/* ===== Variables ===== */

/* ===== Dark Mode ===== */
[data-theme="dark"] .modal {
  background: var(--glass-heavy);
  border-color: var(--glass-border);
}
[data-theme="dark"] input,
[data-theme="dark"] textarea {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
  color: var(--text-1);
}
[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
  color: var(--text-3);
}
[data-theme="dark"] .btn-ghost {
  color: var(--text-2);
  border-color: rgba(255, 255, 255, 0.12);
}
@media (hover: hover) and (pointer: fine) {
  [data-theme="dark"] .btn-ghost:hover {
    color: var(--text-1);
  }
}
[data-theme="dark"] .sidebar-quote-item,
[data-theme="dark"] .history-item,
[data-theme="dark"] .progress-item {
  border-bottom-color: rgba(255, 255, 255, 0.05);
}
@media (hover: hover) and (pointer: fine) {
  [data-theme="dark"] .history-item:hover {
    background: rgba(255, 255, 255, 0.04);
  }
}
[data-theme="dark"] .history-progress-bar {
  background: rgba(255, 255, 255, 0.08);
}
[data-theme="dark"] .dropdown-divider {
  background: rgba(255, 255, 255, 0.08);
}
[data-theme="dark"] .sidebar-quote-more {
  border-top-color: rgba(255, 255, 255, 0.06);
}

/* ===== Reset ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { height: 100%; }
body {
  min-height: 100%;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent) 68%, white);
  outline-offset: 3px;
}

/* ===== Background Decoration ===== */

.blob-1 {
  animation-delay: 0s;
}

.blob-2 {
  animation-delay: -5s;
}

.blob-3 {
  animation-delay: -10s;
}

.blob-4 {
  animation-delay: -15s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -20px) scale(1.05); }
  50% { transform: translate(-20px, 15px) scale(0.95); }
  75% { transform: translate(15px, 25px) scale(1.02); }
}

/* ===== Header ===== */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 100;
}

.header-left { display: flex; align-items: center; flex: 1 1 auto; }

.logo {
  display: flex;
  align-items: center;
  cursor: pointer;
  user-select: none;
  flex-shrink: 0;
  border: 0;
  background: transparent;
  color: inherit;
}

.logo-avatar {
  object-fit: cover;
  color: #fff;
}

.logo-text {
  color: var(--text-1);
}

.header-nav {
  display: flex;
  align-items: center;
  min-width: 0;
  flex: 1 1 auto;
}
.header-nav-item {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  white-space: nowrap;
  font-family: inherit;
  line-height: 1.2;
  text-decoration: none;
}
.header-nav-menu-trigger[aria-expanded="true"] {
  color: var(--accent);
  background: var(--accent-light);
}
.header-nav-caret {
  line-height: 1;
  opacity: 0.72;
  transition: transform 0.2s ease;
}
.header-nav-menu-trigger[aria-expanded="true"] .header-nav-caret {
  transform: rotate(180deg);
}

.header-market-panel {
  position: fixed;
  top: var(--market-menu-top, 88px);
  left: var(--market-menu-left, auto);
  right: var(--market-menu-right, 28px);
  visibility: hidden;
  pointer-events: none;
  z-index: 220;
}
.header-market-panel.active {
  pointer-events: auto;
}
.header-market-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  text-decoration: none;
  transition: var(--transition);
}
.header-market-icon {
  width: 22px;
  flex-shrink: 0;
  text-align: center;
  font-size: 16px;
  line-height: 1;
}
.header-market-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 700;
}

.header-right { display: flex; align-items: center; flex-shrink: 0; }
.auth-buttons { display: flex; }

.btn-theme-toggle {
  justify-content: center;
  white-space: nowrap;
}

.theme-toggle-icon {
  font-size: 16px;
  line-height: 1;
}

.theme-toggle-label {
  font-size: 14px;
  font-weight: 600;
}

.user-info { display: flex; align-items: center; gap: 10px; }

.user-menu-wrap { position: relative; }

.user-menu-trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: var(--transition);
  color: inherit;
}

.user-avatar {
  display: flex; align-items: center; justify-content: center; font-size: 14px;
  overflow: hidden;
  flex-shrink: 0;
}

.user-avatar-img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.avatar-fallback-letter {
  display: flex;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.user-name {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 500;
}

/* User Dropdown */
.user-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 160px;
  pointer-events: none;
  z-index: 200;
}

.user-dropdown.active {
  pointer-events: auto;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
  border: 0;
  background: transparent;
  text-align: left;
}

.dropdown-theme {
  display: flex;
  align-items: center;
  gap: 8px;
}
.dropdown-theme span:first-child {
  font-size: 16px;
  line-height: 1;
}
.dropdown-logout { color: var(--text-3); }
@media (hover: hover) and (pointer: fine) {
  .dropdown-logout:hover { background: rgba(244, 67, 54, 0.08); color: #f44336; }
}

.dropdown-divider {
  height: 1px;
  margin: 4px 8px;
}

/* ===== Membership Page ===== */
.membership-page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}
.membership-title {
  margin-bottom: 8px;
}
.membership-pause-banner {
  max-width: 760px;
  margin: -16px auto 28px;
  padding: 12px 16px;
  color: #92400e;
  font-size: 14px;
  font-weight: 700;
  text-align: center;
}
[data-theme="dark"] .membership-pause-banner {
  color: #fbbf24;
  background: rgba(245, 158, 11, 0.14);
  border-color: rgba(245, 158, 11, 0.34);
}

.mem-card {
  padding: 0;
  position: relative;
}
@media (hover: hover) and (pointer: fine) {
  .mem-card:hover {
    transform: translateY(-4px);
  }
}

.mem-card-featured {
  z-index: 2;
}
@media (hover: hover) and (pointer: fine) {
  .mem-card-featured:hover {
    transform: scale(1.03) translateY(-4px);
  }
}

.mem-badge {
  position: absolute;
  top: 14px;
  right: -28px;
  background: var(--accent-gradient);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 32px;
  transform: rotate(45deg);
  letter-spacing: 0.5px;
  z-index: 3;
}

.mem-card-header {
  text-align: center;
}
.mem-icon {
  display: block;
  margin-bottom: 10px;
}
.mem-plan-name {
  margin-bottom: 4px;
}
.mem-plan-desc {
  font-size: 13px;
}

.mem-price-section {
  text-align: center;
  padding: 16px 24px;
  border-top: 1px solid rgba(0,0,0,0.04);
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.mem-price-toggle {
  display: inline-flex;
  background: var(--glass-light);
  border-radius: 20px;
  padding: 3px;
  margin-bottom: 12px;
  gap: 2px;
}
.price-tab {
  padding: 6px 18px;
  border: none;
  background: transparent;
  color: var(--text-3);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.price-tab.active {
  background: var(--accent);
  color: var(--ws-on-brand);
}
.mem-price-display {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}
.mem-price-save {
  font-size: 12px;
  font-weight: 600;
  margin-top: 6px;
}
[data-theme="dark"] .mem-price-section {
  border-color: rgba(255,255,255,0.06);
}
.mem-price {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-1);
}
.mem-price-unit {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-3);
}
.mem-price-original {
  font-size: 13px;
  color: var(--text-3);
  text-decoration: line-through;
  margin-left: 8px;
}

.mem-features {
  list-style: none;
  padding: 20px 24px;
  margin: 0;
}
.mem-feat {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  font-size: 13.5px;
  color: var(--text-1);
}
.mem-feat.disabled {
  color: var(--text-3);
  opacity: 0.5;
}
.mem-check {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 800;
  border-radius: 50%;
}
.mem-check.plus {
  background: rgba(37, 99, 235, 0.12);
  color: var(--accent);
}
.mem-check.pro {
  background: rgba(139, 92, 246, 0.12);
  color: #8b5cf6;
}
.mem-x {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  opacity: 0.6;
}

.mem-action {
  padding: 16px 24px 24px;
}
.mem-btn {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}
.mem-btn-current {
  background: rgba(0,0,0,0.04);
  color: var(--text-3);
  cursor: default;
}
[data-theme="dark"] .mem-btn-current {
  background: rgba(255,255,255,0.06);
}
.mem-btn-free {
  background: rgba(0,0,0,0.04);
  color: var(--text-3);
  cursor: default;
}
.mem-btn-plus {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}
@media (hover: hover) and (pointer: fine) {
  .mem-btn-plus:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
  }
}
.mem-btn-pro {
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
  color: #fff;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
}
@media (hover: hover) and (pointer: fine) {
  .mem-btn-pro:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.4);
  }
}

.mem-current {
  opacity: 1;
}

/* FAQ Section */
.membership-faq {
  margin-top: 48px;
  margin-left: auto;
  margin-right: auto;
}
.faq-title {
  font-size: 20px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  border: 1px solid var(--glass-border);
  padding: 18px 22px;
}
.faq-q {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-1);
}
.faq-a {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.7;
}

/* Membership responsive */
@media (max-width: 820px) {
  .membership-cards {
    max-width: 400px;
    margin: 0 auto;
  }
  .mem-card-featured {
    order: -1;
  }
  @media (hover: hover) and (pointer: fine) {
    .mem-card-featured:hover {
      transform: translateY(-4px);
    }
  }
}

/* ===== TOS Checkbox & Page ===== */
.tos-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-2);
  margin-bottom: 14px;
  cursor: pointer;
}
.tos-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}
.tos-link {
  color: var(--accent);
  font-weight: 600;
  cursor: pointer;
}
@media (hover: hover) and (pointer: fine) {
  .tos-link:hover {
    text-decoration: underline;
  }
}

.tos-page {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}
.tos-title {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 4px;
}
.tos-update {
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 28px;
}
.tos-content h2 {
  font-size: 16px;
  font-weight: 700;
  margin: 24px 0 10px;
}
.tos-content p {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 10px;
}
.tos-content ol {
  padding-left: 20px;
  margin-bottom: 10px;
}
.tos-content li {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 6px;
}
.tos-content a {
  color: var(--accent);
  font-weight: 600;
}
@media (hover: hover) and (pointer: fine) {
  .tos-content a:hover {
    text-decoration: underline;
  }
}
.tos-content strong {
  color: var(--text-1);
}

/* ===== Trade Records Page ===== */
.trades-page { max-width: 900px; margin: 0 auto; }
.trades-title { margin-bottom: 8px; }
.trades-subtitle { font-size: 15px; }

.trades-stats {
  display: grid; margin-bottom: 24px;
}
.trades-stat-card { text-align: center;
}
.trades-stat-num { font-size: 28px; font-weight: 800; }
.trades-stat-label { font-size: 13px; margin-top: 4px; }

.trades-admin-form { padding: 20px; margin-bottom: 16px;
}
.trades-form-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px;
}
.trades-input {
  padding: 8px 12px; border: 1px solid var(--glass-border);
  font-size: 14px;
  width: 100%; box-sizing: border-box;
}

.trades-list { display: flex; flex-direction: column; gap: 8px; }
.trade-row {
  display: grid;
  grid-template-columns: 100px 80px 60px 1fr 90px 90px;
  align-items: center; gap: 12px; padding: 14px 18px;
  border-left: 4px solid #10b981;
  border-top: 1px solid rgba(0,0,0,0.04);
}
.trade-date { font-size: 13px; font-variant-numeric: tabular-nums; }
.trade-symbol { font-weight: 700; font-size: 15px; }
.trade-direction { font-size: 13px; font-weight: 600; padding: 2px 8px; border-radius: 4px; text-align: center; }
.trade-prices { font-size: 13px; display: flex; gap: 8px; }
.trade-entry, .trade-exit { white-space: nowrap; }
.trade-profit { font-weight: 700; font-size: 14px; text-align: right; }
.trade-result { font-size: 13px; text-align: center; }
.trade-notes {
  grid-column: 1 / -1; font-size: 13px;
  padding-top: 8px; border-top: 1px solid rgba(0,0,0,0.06);
}
.trade-screenshot {
  font-size: 12px; color: var(--primary); text-decoration: none;
}
.trade-del-btn { grid-column: -1; }

/* Trades sections */
.trades-section {
  margin-bottom: 36px;
}
.trades-section-title { font-weight: 700; margin-bottom: 6px;
}
.trades-section-desc {
  font-size: 14px; color: var(--text-2); line-height: 1.6; margin-bottom: 18px;
}

/* Timeline */
.trades-timeline {
  position: relative;
  padding-left: 28px;
}
.trades-timeline::before {
  content: '';
  position: absolute; left: 8px; top: 0; bottom: 0;
  width: 2px;
}
.timeline-item {
  position: relative;
  padding-bottom: 20px;
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-dot {
  position: absolute; left: -24px; top: 4px;
  width: 12px; height: 12px; border-radius: 50%;
  background: #10b981; border: 2px solid var(--bg);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.2);
}
.timeline-item.loss .timeline-dot {
  background: #ef4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.2);
}
.timeline-content { padding: 14px 18px;
  border: 1px solid var(--glass-border);
}
.timeline-date {
  font-size: 12px; color: var(--text-3); font-weight: 600;
  margin-bottom: 4px;
}
.timeline-text {
  font-size: 14px; color: var(--text-1); line-height: 1.6;
}
.timeline-links {
  margin-top: 8px; display: flex; gap: 10px; flex-wrap: wrap;
}
.timeline-links a {
  font-size: 12px; color: var(--accent); text-decoration: none;
  font-weight: 600; padding: 2px 8px; border-radius: 4px;
  background: var(--accent-light);
  transition: var(--transition);
}
@media (hover: hover) and (pointer: fine) {
  .timeline-links a:hover { opacity: 0.8; }
}

/* MT5 Reports */
.trades-reports {
  display: flex; flex-direction: column; gap: 16px;
}
.trades-report-img {
  border-radius: 12px; overflow: hidden;
  border: 1px solid var(--glass-border);
}
.trades-report-img img {
  width: 100%; display: block;
}

@media (max-width: 768px) {
  .trades-form-grid { grid-template-columns: repeat(2, 1fr); }
  .trade-row {
    grid-template-columns: 1fr 1fr;
    gap: 6px 12px;
  }
  .trade-prices { grid-column: 1 / -1; }
  .trade-notes { grid-column: 1 / -1; }
}

/* ===== Loading ===== */

.loading-spinner {
  text-align: center;
  padding: 40px;
}

/* ===== Tools Page ===== */
.tools-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}
.tools-title {
  margin-bottom: 6px;
}
.tools-subtitle {
  font-size: 14px;
}
.tools-category {
  margin-bottom: 28px;
}
.tools-cat-title {
  font-weight: 700;
  margin-bottom: 14px;
  padding-left: 4px;
}
.tools-grid {
  display: grid;
}
.tool-card {
  display: flex;
  flex-direction: column;
  cursor: pointer;
  text-decoration: none;
}
@media (hover: hover) and (pointer: fine) {
  .tool-card:hover {
    transform: translateY(-4px);
  }
}
.tool-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.tool-icon {
  font-size: 32px;
}
.tool-tag {
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  padding: 3px 10px;
  border-radius: 12px;
}
.tool-name {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}
.tool-desc {
  font-size: 13px;
  line-height: 1.6;
  flex: 1;
  margin-bottom: 12px;
}
.tool-rebate {
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, #2563EB, #1D4ED8);
  padding: 2px 8px;
  border-radius: 10px;
  margin-left: 6px;
  vertical-align: middle;
  white-space: nowrap;
}
.tool-code {
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 6px;
}
.tool-code-val {
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-light);
  padding: 1px 8px;
  border-radius: 4px;
  font-family: monospace;
  letter-spacing: 0.5px;
  user-select: all;
}
.tool-note {
  font-size: 11px;
  background: #fef3c7;
  padding: 8px 10px;
  border-radius: 6px;
  margin-bottom: 8px;
  line-height: 1.6;
  word-break: break-word;
}
[data-theme="dark"] .tool-note {
  background: rgba(217, 119, 6, 0.15);
}
.tool-link {
  font-size: 13px;
  font-weight: 600;
}
@media (hover: hover) and (pointer: fine) {
  .tool-card:hover .tool-link {
    text-decoration: underline;
  }
}
.tools-disclaimer {
  text-align: center;
  margin-top: 32px;
  padding: 16px;
  font-size: 12px;
}

.tab-tools {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ===== Settings Page ===== */
.settings-page {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}

/* Left Nav */
.settings-nav-title {
  border-bottom: 1px solid var(--glass-border);
  margin-bottom: 10px;
}
.settings-nav-section {
  padding: 4px 10px 6px;
}
.settings-nav-divider {
  height: 1px;
  margin: 8px 10px;
}
.settings-nav-item {
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}
.settings-nav-icon {
  font-size: 16px;
  width: 22px;
  text-align: center;
}

/* Right Content */
.settings-section-title {
  margin-bottom: 4px;
}
.settings-section-desc {
  font-size: 13px;
  margin-bottom: 20px;
}
.settings-card {
  margin-bottom: 16px;
}
.settings-card-title {
  font-weight: 700;
  margin-bottom: 16px;
}
.settings-hint {
  margin-top: 6px;
}
.settings-info-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.settings-link {
  margin-top: 8px;
}
@media (hover: hover) and (pointer: fine) {
  .settings-link:hover { text-decoration: underline; }
}

.settings-msg {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-xs);
  font-size: 13px;
  font-weight: 500;
}
.settings-msg-ok {
  background: var(--ws-positive-soft);
  color: var(--ws-positive);
  border: 1px solid color-mix(in srgb, var(--ws-positive) 30%, transparent);
}
.settings-msg-err {
  background: var(--ws-danger-soft);
  color: var(--ws-danger);
  border: 1px solid color-mix(in srgb, var(--ws-danger) 30%, transparent);
}

/* Profile section within settings */
.profile-avatar-section {
  display: flex;
  align-items: center;
  gap: 16px;
}
.profile-avatar-wrap {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}
.profile-avatar-img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.profile-avatar-letter {
  font-size: 28px;
  font-weight: 700;
  color: #fff;
}
.profile-avatar-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.profile-upload-btn { font-size: 13px; }
.profile-info-item {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
}
.profile-info-value { font-weight: 500; }

/* Password change tabs */
.pwd-change-tabs {
  display: flex;
  gap: 4px;
  background: rgba(0,0,0,0.04);
  border-radius: var(--radius-xs);
  padding: 3px;
  margin-bottom: 18px;
}
[data-theme="dark"] .pwd-change-tabs {
  background: rgba(255,255,255,0.06);
}
.pwd-tab {
  flex: 1;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-3);
  background: none;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
}
.pwd-tab.active {
  background: var(--glass-heavy);
  color: var(--text-1);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

/* Subscription section */
.sub-current-card {
  background: linear-gradient(135deg, rgba(37, 99, 235,0.08), rgba(59, 130, 246,0.08));
  border-color: rgba(37, 99, 235,0.2);
}
.sub-current-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.sub-current-plan {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 4px;
}
.sub-current-desc {
  font-size: 13px;
  color: var(--text-2);
}
.sub-current-badge {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
}
.sub-badge-free {
  background: rgba(0,0,0,0.06);
  color: var(--text-2);
}
.sub-badge-pro {
  background: var(--accent-gradient);
  color: #fff;
}
.sub-badge-plus {
  background: var(--ws-brand-soft);
  color: var(--ws-brand);
}
.sub-badge-business {
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
  color: #fff;
}

.sub-plans {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sub-plan-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  cursor: default;
}
.sub-plan-disabled {
  opacity: 0.5;
  pointer-events: none;
}
.sub-plan-info {
  display: flex;
  align-items: center;
  gap: 12px;
}
.sub-plan-icon {
  font-size: 22px;
}
.sub-plan-name {
  font-size: 14px;
  font-weight: 700;
}
.sub-plan-desc {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 2px;
}
.sub-plan-price {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-2);
}
.sub-plan-current {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-light);
  padding: 4px 12px;
  border-radius: 12px;
}
.sub-plan-btn {
  padding: 6px 16px !important;
  font-size: 12px !important;
}

/* Expiry date */
.sub-expires {
  font-size: 13px;
  color: var(--text-3);
  margin-top: 6px;
}

/* Billing history */
.billing-history {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.billing-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.billing-row:last-child {
  border-bottom: none;
}
.billing-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.billing-plan {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-1);
}
.billing-date {
  font-size: 12px;
  color: var(--text-3);
}
.billing-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 12px;
}
.billing-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; width: 100%; }
.billing-action-feedback { color: var(--text-2); font-size: 13px; line-height: 1.7; padding: 12px 0; }
.billing-action-feedback[hidden] { display: none; }
.billing-action-feedback > button { margin-top: 8px; }
@media (max-width: 600px) {
  .billing-row { align-items: flex-start; gap: 12px; }
  .billing-info { min-width: 0; }
  .billing-right { max-width: 55%; gap: 8px; }
}
.billing-amount {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
}
.billing-status {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 10px;
}

.billing-diff {
  font-size: 11px;
  font-weight: 400;
  color: var(--text-3);
}
.billing-oid {
  font-family: monospace;
  font-size: 11px;
  color: var(--text-3);
  cursor: help;
}
.billing-empty {
  text-align: center;
  color: var(--text-3);
  padding: 24px 0;
  font-size: 14px;
}
.billing-loading {
  text-align: center;
  padding: 20px 0;
  font-size: 13px;
}
[data-theme="dark"] .billing-paid {
  background: rgba(22, 163, 74, 0.15);
}
[data-theme="dark"] .billing-pending {
  background: rgba(217, 119, 6, 0.15);
}
[data-theme="dark"] .billing-expired {
  background: rgba(156, 163, 175, 0.15);
}

/* Alerts coming soon */
.alerts-coming {
  text-align: center;
  padding: 40px 24px;
}
.alerts-coming-icon {
  font-size: 48px;
  margin-bottom: 12px;
}
.alerts-coming-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.alerts-coming-desc {
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 16px;
}
.alerts-coming-list {
  list-style: none;
  padding: 0;
  display: inline-flex;
  flex-direction: column;
  gap: 8px;
  text-align: left;
}
.alerts-coming-list li {
  font-size: 13px;
  color: var(--text-2);
  padding-left: 20px;
  position: relative;
}
.alerts-coming-list li::before {
  content: '•';
  position: absolute;
  left: 6px;
  color: var(--accent);
  font-weight: 700;
}

/* Settings responsive */
@media (max-width: 720px) {
  .settings-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
  }
  .settings-nav-title,
  .settings-nav-divider,
  .settings-nav-section {
    display: none;
  }
  .settings-nav-item {
    font-size: 13px;
  }
}

/* Profile Toast */
.profile-toast {
  position: fixed;
  left: 50%;
  font-size: 14px;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
}

.profile-toast.active {
  opacity: 1;
}

.profile-toast-ok {
  background: rgba(76, 175, 80, 0.15);
}

.profile-toast-err {
  background: rgba(244, 67, 54, 0.15);
}

/* ===== Buttons ===== */
.btn {
  font-size: 14px;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover {
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.4);
  }
}

.btn-lg {
  font-size: 15px;
  border-radius: var(--radius-sm);
}

/* ===== Page Container ===== */
.page-container {
  position: relative;
  min-height: calc(100vh - var(--header-h) - 24px);
  min-height: calc(100svh - var(--header-h) - 24px);
}

/* ===== Home Layout ===== */
.home-layout {
  max-width: 1360px;
  margin: 0 auto;
  padding: 20px 24px 40px;
}

.home-main { flex: 1; }
.home-mobile-below-courses { display: none; }

.page-title {
  font-size: 30px;
  background: linear-gradient(135deg, var(--text-1), #4a3d8f);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
[data-theme="dark"] .page-title {
  background: linear-gradient(135deg, var(--text-1), #a78bfa);
  -webkit-background-clip: text;
  background-clip: text;
}

.page-subtitle {
  font-size: 14px;
  margin: 4px 0 20px;
}

.home-quotes {
  position: relative;
}
.home-quotes::before {
  content: '\201C';
  position: absolute;
  font-size: 120px;
  font-family: Georgia, serif;
  line-height: 1;
  pointer-events: none;
}
.quote-hero {
  position: relative;
}
.quote-gold {
  color: #bfa168;
  font-weight: 800;
}
.quote-divider {
  height: 2px;
  background: linear-gradient(90deg, #bfa168, transparent);
  border-radius: 2px;
}
.quote-detail {
  line-height: 1.8;
  margin: 0 0 8px;
}
.quote-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: #1a1a2e;
  background: rgba(191,161,104,0.85);
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 8px;
  letter-spacing: 0.5px;
  vertical-align: middle;
}
.quote-label-warn {
  background: rgba(239,68,68,0.7);
  color: #fff;
}
.quote-author {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  letter-spacing: 0.5px;
}
@media (hover: hover) and (pointer: fine) {
  .quote-author:hover {
    color: #d4b87a;
    letter-spacing: 1px;
  }
}

/* Tabs */

/* Search */
.sort-btn {
  cursor: pointer;
}

/* ===== Episode Cards ===== */

.episode-card {
  cursor: pointer;
  width: 100%;
  text-align: left;
  font: inherit;
}

@media (hover: hover) and (pointer: fine) {
  .episode-card:hover {
    transform: translateY(-4px);
  }
}

.episode-card:focus-visible {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-light), var(--shadow-hover);
}

.not-found-page {
  width: min(680px, calc(100% - 32px));
  margin: 8vh auto 0;
  margin: 8svh auto 0;
  padding: 64px 28px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  background: var(--glass-heavy);
  box-shadow: var(--shadow);
  text-align: center;
}
.not-found-code {
  color: var(--accent);
  font-size: clamp(64px, 14vw, 112px);
  font-weight: 800;
  letter-spacing: -0.08em;
  line-height: 1;
}
.not-found-page h1 { margin-top: 18px; font-size: 28px; }
.not-found-page p { margin: 10px 0 24px; color: var(--text-2); }

.course-content-error {
  display: grid;
  justify-items: center;
  gap: 14px;
  padding: 28px 16px;
  color: var(--text-2);
  text-align: center;
}

.card-thumbnail {
  position: relative;
  width: 100%;
  padding-top: 56%;
  overflow: hidden;
}

.card-thumbnail-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 2px;
}

.card-thumbnail-bg .ep-number {
  font-size: 44px;
  font-weight: 800;
  color: rgba(255,255,255,0.9);
  letter-spacing: -3px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.15);
  line-height: 1;
}

.card-thumbnail-bg .ep-label {
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.card-duration {
  position: absolute;
  bottom: 8px; right: 8px;
}

.card-ep-badge {
  position: absolute;
}

.card-status {
  position: absolute;
  top: 10px; right: 10px;
}

.card-status.in-progress {
  background: rgba(37, 99, 235, 0.85);
  color: #fff;
}

.card-status.completed {
  background: rgba(34, 197, 94, 0.85);
  color: #fff;
}

.card-title {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 4px;
}

/* Card completion */
.card-complete-badge {
  position: absolute;
  bottom: 8px; left: 8px;
}
.card-paid-badge {
  position: absolute;
  top: 8px; left: 8px;
}

.card-type-badge {
  position: absolute;
  top: 8px; right: 8px;
}

.card-progress {
  overflow: hidden;
}

.card-progress-fill {
  height: 100%;
  transition: width 0.3s ease;
}

.episode-card.completed .card-thumbnail::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 2px rgba(34, 197, 94, 0.4);
  pointer-events: none;
}

/* Locked card */
.episode-card.locked {
  cursor: not-allowed;
}

@media (hover: hover) and (pointer: fine) {
  .episode-card.locked:hover {
    transform: none;
    box-shadow: var(--shadow);
  }
}

.card-lock-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: inherit;
}

.lock-icon {
  font-size: 28px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

/* ===== Sidebar ===== */

.sidebar-card h3 {
  letter-spacing: -0.2px;
}
.sidebar-subscription-pause-card {
  border-color: rgba(245, 158, 11, 0.28);
  background:
    linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(255, 255, 255, 0.58)),
    var(--glass);
}
.sidebar-subscription-pause-card h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #92400e;
  line-height: 1.5;
}
.sidebar-subscription-pause-card h3::before {
  content: '⏸';
  width: 24px;
  height: 24px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(245, 158, 11, 0.16);
  color: #b45309;
  font-size: 13px;
}
.sidebar-subscription-pause-card p {
  margin: 0;
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.65;
}
[data-theme="dark"] .sidebar-subscription-pause-card {
  border-color: rgba(245, 158, 11, 0.34);
  background:
    linear-gradient(135deg, rgba(245, 158, 11, 0.16), rgba(17, 24, 39, 0.46)),
    var(--glass);
}
[data-theme="dark"] .sidebar-subscription-pause-card h3 {
  color: #fbbf24;
}

.sidebar-quote-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sidebar-quote-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.sidebar-quote-item:last-child {
  border-bottom: none;
}
.sidebar-quote-num {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  font-size: 11px;
  font-weight: 700;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}
.sidebar-quote-text {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
}
.sidebar-quote-more {
  text-align: center;
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
  padding-top: 12px;
  margin-top: 4px;
  border-top: 1px solid rgba(0,0,0,0.05);
}

/* Watch History Sidebar */
.sidebar-history-card h3 {
  display: flex;
  align-items: center;
  gap: 6px;
}
.sidebar-history-card h3::before {
  content: '🕐';
  font-size: 14px;
}
.history-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.history-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 8px;
}
.history-item:last-child { border-bottom: none; }
@media (hover: hover) and (pointer: fine) {
  .history-item:hover {
    background: rgba(0,0,0,0.02);
    padding-left: 6px;
    padding-right: 6px;
  }
}
.history-thumb {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}
.history-ep {
  font-size: 10px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
}
.history-done-badge {
  position: absolute;
  bottom: -3px;
  right: -3px;
  width: 16px;
  height: 16px;
  background: #047857;
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #fff;
}
.history-info {
  flex: 1;
  min-width: 0;
}
.history-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 3px;
}
.history-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
}
.history-time {
  font-size: 11px;
  color: var(--text-3);
  font-weight: 500;
}
.history-ago {
  font-size: 10px;
  color: var(--text-3);
  opacity: 0.7;
}
.history-progress-bar {
  width: 100%;
  height: 3px;
  background: rgba(0,0,0,0.06);
  border-radius: 3px;
  overflow: hidden;
}
.history-progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 3px;
  transition: width 0.3s;
}
.history-progress-fill.completed {
  background: #34d399;
}

/* ===== 回到顶部浮动按钮（全站通用）===== */
.back-to-top-btn {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 110;
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.9);
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), visibility 0s linear 0.25s, background 0.2s, color 0.2s, border-color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-family: inherit;
}
.back-to-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  transition: opacity 0.25s ease, transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), visibility 0s, background 0.2s, color 0.2s, border-color 0.2s;
}
@media (max-width: 600px) {
  .back-to-top-btn {
    right: 14px;
    bottom: 14px;
    font-size: 20px;
  }
}

/* ===== 最近更新侧边栏 ===== */
.sidebar-updates-card h3::before {
  content: '';
}
.updates-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.update-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 6px;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 8px;
  margin: 0 -6px;
}
.update-item:last-child { border-bottom: none; }
@media (hover: hover) and (pointer: fine) {
  .update-item:hover {
    background: rgba(37, 99, 235, 0.06);
    transform: translateX(2px);
  }
}
.update-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  margin-top: 2px;
}
.update-info {
  flex: 1;
  min-width: 0;
}
.update-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.4;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.update-new-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  font-size: 10px;
  font-weight: 700;
  background: linear-gradient(135deg, #3B82F6, #2563EB);
  color: #fff;
  border-radius: 4px;
  letter-spacing: 0.5px;
}
.update-date {
  font-size: 11px;
  color: var(--text-3);
  font-weight: 500;
}
[data-theme="dark"] .update-item {
  border-bottom-color: rgba(255, 255, 255, 0.05);
}
@media (hover: hover) and (pointer: fine) {
  [data-theme="dark"] .update-item:hover {
    background: rgba(37, 99, 235, 0.12);
  }
}
[data-theme="dark"] .update-icon {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.22), rgba(99, 179, 255, 0.18));
}
.history-play {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: #fff;
  font-size: 10px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.2s;
}
@media (hover: hover) and (pointer: fine) {
  .history-item:hover .history-play {
    opacity: 1;
    transform: scale(1);
  }
}

/* Quotes Page */
.quotes-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 16px;
}
.quotes-title {
  margin: 0 0 6px;
}
.quotes-subtitle {
  font-size: 14px;
  margin: 0;
}
.quotes-list {
  display: flex;
  flex-direction: column;
}
.quote-card-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 18px 20px;
  transition: transform 0.2s, box-shadow 0.2s;
}
@media (hover: hover) and (pointer: fine) {
  .quote-card-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
}
.quote-card-num {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, #1a1a2e, #0f3460);
  color: #bfa168;
  font-size: 13px;
  font-weight: 800;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.quote-card-text {
  font-size: 14.5px;
  color: var(--text-1);
  line-height: 1.8;
  margin: 0;
  font-weight: 500;
}

/* Stats */
.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.stat-box {
  text-align: center;
  border: 1px solid rgba(255,255,255,0.3);
}

.stat-number {
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 11px;
  margin-top: 2px;
}

/* Progress list */
.progress-list { list-style: none; }

.progress-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid rgba(255,255,255,0.3);
  cursor: pointer;
  transition: var(--transition);
}

.progress-item:last-child { border-bottom: none; }
@media (hover: hover) and (pointer: fine) {
  .progress-item:hover { opacity: 0.75; }
}

.progress-rank {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-3);
  width: 22px;
  text-align: center;
}

.progress-avatar {
  width: 34px; height: 34px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; color: #fff;
}

.progress-info { flex: 1; min-width: 0; }

.progress-name {
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.progress-desc {
  font-size: 11px;
  color: var(--text-3);
}

/* ===== Video View ===== */
.video-view,
.article-view {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px 24px 40px;
}

.back-btn {
  gap: 6px;
  font-family: inherit;
}

.video-container {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  margin-bottom: 24px;
}

.video-container video,
.video-container iframe {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  border: none;
}

/* Article-attached video section (shown above article iframe for members) */
.article-video-section {
  margin-top: 8px;
  margin-bottom: 20px;
}

.article-video-title {
  margin: 0 0 12px 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.2px;
}

.article-video-section .video-container {
  margin-bottom: 0;
}

/* 学习顺序提示条：视频与文章之间的引导 */
.article-study-order {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  margin: 0 0 20px 0;
  font-size: 14px;
  font-weight: 500;
}

.article-study-order-icon {
  font-size: 18px;
  flex-shrink: 0;
}

.article-study-order-text {
  letter-spacing: 0.2px;
}

[data-theme="dark"] .article-study-order {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.18), rgba(99, 179, 255, 0.14));
  border-color: rgba(37, 99, 235, 0.32);
}

/* Article content container for indicator analysis pages */
.article-container {
  position: relative;
  width: 100%;
  margin-bottom: 24px;
}

[data-theme="dark"] .article-container {
  background:
    radial-gradient(circle at top left, rgba(147, 197, 253, 0.12), transparent 34%),
    radial-gradient(circle at 78% 18%, rgba(99, 179, 255, 0.08), transparent 28%),
    linear-gradient(180deg, rgba(27, 26, 42, 0.96), rgba(17, 16, 27, 0.98));
}

.article-loading {
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  font-size: 14px;
}

.article-frame {
  display: block;
  min-height: 640px;
  border: none;
  overflow: hidden;
  opacity: 0;
  transition: opacity .24s ease;
}

.article-container.loaded .article-loading {
  display: none;
}

.article-container.loaded .article-frame {
  opacity: 1;
}
.article-content {
  width: 100%;
  position: relative;
  color: var(--text-1);
  padding: 24px 16px 56px;
}

.article-content .page {
  width: min(1200px, 100%);
  margin: 0 auto;
}

[data-theme="dark"] .article-content {
  --bg: #11101b;
  --paper: rgba(24, 24, 38, 0.72);
  --panel: rgba(20, 20, 34, 0.78);
  --panel-strong: rgba(18, 18, 30, 0.88);
  --card: rgba(24, 24, 38, 0.72);
  --ink: #ece9f7;
  --muted: #b1acc8;
  --text: #ece9f7;
  --text-light: #b1acc8;
  --dark: #ece9f7;
  --navy: #f4f1ff;
  --line: rgba(255, 255, 255, 0.1);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
  --shadow-lg: 0 16px 52px rgba(0, 0, 0, 0.36);
  --violet-border: rgba(37, 99, 235, 0.24);
  --gold-bg: rgba(37, 99, 235, 0.14);
  --teal-bg: rgba(44, 137, 160, 0.14);
  --purple-bg: rgba(37, 99, 235, 0.14);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(147, 197, 253, 0.16), transparent 30%),
    radial-gradient(circle at right 12% top 18%, rgba(99, 179, 255, 0.12), transparent 28%),
    radial-gradient(circle at 80% 80%, rgba(147, 197, 253, 0.08), transparent 30%),
    linear-gradient(180deg, #11101b 0%, #0c0b14 100%);
}

[data-theme="dark"] .article-content .panel,
[data-theme="dark"] .article-content .card,
[data-theme="dark"] .article-content .concept-card,
[data-theme="dark"] .article-content .chip,
[data-theme="dark"] .article-content .signal-box,
[data-theme="dark"] .article-content .formula-card,
[data-theme="dark"] .article-content .callout,
[data-theme="dark"] .article-content .pill-note,
[data-theme="dark"] .article-content .alert,
[data-theme="dark"] .article-content .step-item,
[data-theme="dark"] .article-content .chain-step,
[data-theme="dark"] .article-content .core-quote,
[data-theme="dark"] .article-content .ck-item,
[data-theme="dark"] .article-content .ov-card,
[data-theme="dark"] .article-content .ratio-item,
[data-theme="dark"] .article-content .compare-col,
[data-theme="dark"] .article-content .detail-block,
[data-theme="dark"] .article-content .mistake,
[data-theme="dark"] .article-content .flow-step,
[data-theme="dark"] .article-content .mini-card,
[data-theme="dark"] .article-content .compare-box,
[data-theme="dark"] .article-content .phase-box,
[data-theme="dark"] .article-content .anchor-card,
[data-theme="dark"] .article-content .mistake-card,
[data-theme="dark"] .article-content .fail-item,
[data-theme="dark"] .article-content .model-card,
[data-theme="dark"] .article-content .model-box,
[data-theme="dark"] .article-content .scene-card,
[data-theme="dark"] .article-content .cycle-box,
[data-theme="dark"] .article-content .formula-box,
[data-theme="dark"] .article-content .hero-callout,
[data-theme="dark"] .article-content .hero-insight,
[data-theme="dark"] .article-content .case-item,
[data-theme="dark"] .article-content .chain-item {
  background: rgba(23, 23, 36, 0.72) !important;
  border-color: rgba(255, 255, 255, 0.1) !important;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
}

[data-theme="dark"] .article-content .logic-steps div {
  background: rgba(23, 23, 36, 0.72) !important;
  border-color: rgba(255, 255, 255, 0.1) !important;
  color: var(--muted) !important;
}

[data-theme="dark"] .article-content .hero,
[data-theme="dark"] .article-content .visual,
[data-theme="dark"] .article-content .stage,
[data-theme="dark"] .article-content .section,
[data-theme="dark"] .article-content .svg-box,
[data-theme="dark"] .article-content .hero-card,
[data-theme="dark"] .article-content .framework-card,
[data-theme="dark"] .article-content .case-bd,
[data-theme="dark"] .article-content .summary-card,
[data-theme="dark"] .article-content .mindset-box,
[data-theme="dark"] .article-content .compare-good,
[data-theme="dark"] .article-content .compare-bad {
  background: linear-gradient(180deg, rgba(28, 28, 44, 0.92), rgba(19, 19, 31, 0.92)) !important;
  border-color: rgba(255, 255, 255, 0.08) !important;
}

[data-theme="dark"] .article-content :is(
  p,
  li,
  dd,
  dt
) {
  color: inherit;
}

[data-theme="dark"] .article-content :is(
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,
  .sec-title,
  .sub-title,
  .section-mark,
  .formula-card strong,
  .chip strong,
  .card h4,
  .mini-card h3,
  .signal-box h4,
  .compare-box h3,
  .phase-box h3,
  .tip strong,
  .alert strong,
  .pill-note strong,
  .footer-note strong,
  .core-quote p,
  .hero-callout .accent
) {
  color: var(--ink) !important;
}

[data-theme="dark"] .article-content .eyebrow,
[data-theme="dark"] .article-content .formula-label,
[data-theme="dark"] .article-content .section-mark {
  color: #a99dff !important;
}

[data-theme="dark"] .article-content .tag {
  background: rgba(37, 99, 235, 0.16) !important;
  border-color: rgba(37, 99, 235, 0.24) !important;
  color: #d8d2ff !important;
  box-shadow: none !important;
}

[data-theme="dark"] .article-content .tag-red {
  background: rgba(217, 83, 79, 0.16) !important;
  border-color: rgba(217, 83, 79, 0.3) !important;
  color: #ffaaa5 !important;
}

[data-theme="dark"] .article-content .tag-green {
  background: rgba(93, 184, 122, 0.16) !important;
  border-color: rgba(93, 184, 122, 0.28) !important;
  color: #9fe0b2 !important;
}

[data-theme="dark"] .article-content .tag-gold,
[data-theme="dark"] .article-content .tag-poc {
  background: rgba(37, 99, 235, 0.16) !important;
  border-color: rgba(37, 99, 235, 0.28) !important;
  color: #ffc57a !important;
}

[data-theme="dark"] .article-content .tag-teal,
[data-theme="dark"] .article-content .tag-vp,
[data-theme="dark"] .article-content .tag-obv {
  background: rgba(44, 137, 160, 0.16) !important;
  border-color: rgba(44, 137, 160, 0.28) !important;
  color: #8dd7e8 !important;
}

[data-theme="dark"] .article-content .tag-purple {
  background: rgba(37, 99, 235, 0.18) !important;
  border-color: rgba(37, 99, 235, 0.3) !important;
  color: #cbbfff !important;
}

[data-theme="dark"] .article-content :is(.tbl, .cmp-table, .signal-table, .matrix) {
  border-color: rgba(255, 255, 255, 0.08) !important;
}

[data-theme="dark"] .article-content :is(.tbl th, .cmp-table th, .signal-table th, .matrix th) {
  background: rgba(37, 99, 235, 0.14) !important;
  color: var(--ink) !important;
  border-color: rgba(255, 255, 255, 0.08) !important;
}

[data-theme="dark"] .article-content :is(.tbl td, .cmp-table td, .signal-table td, .matrix td) {
  background: rgba(23, 23, 36, 0.72) !important;
  color: var(--muted) !important;
  border-color: rgba(255, 255, 255, 0.08) !important;
}

[data-theme="dark"] .article-content :is(.tbl td:first-child, .cmp-table td:first-child, .signal-table td:first-child, .matrix td:first-child) {
  background: rgba(37, 99, 235, 0.12) !important;
  color: var(--ink) !important;
}

[data-theme="dark"] .article-content footer,
[data-theme="dark"] .article-content .footer {
  background: rgba(16, 15, 24, 0.88) !important;
  color: var(--muted) !important;
}

[data-theme="dark"] .article-content svg [fill^="rgba(255,255,255"] {
  fill: rgba(27, 27, 41, 0.88) !important;
}

[data-theme="dark"] .article-content svg [fill^="rgba(240,238,255"] {
  fill: rgba(27, 27, 41, 0.82) !important;
}

[data-theme="dark"] .article-content svg [fill="url(#panelFill)"] {
  fill: rgba(27, 27, 41, 0.88) !important;
}

[data-theme="dark"] .article-content svg [stroke^="rgba(255,255,255"] {
  stroke: rgba(255, 255, 255, 0.14) !important;
}

[data-theme="dark"] .article-content svg [stroke^="rgba(240,238,255"] {
  stroke: rgba(255, 255, 255, 0.16) !important;
}

[data-theme="dark"] .article-content svg [stroke^="rgba(26,26,46"] {
  stroke: rgba(177, 172, 200, 0.24) !important;
}

[data-theme="dark"] .article-content [fill="#1a1a2e"],
[data-theme="dark"] .article-content [fill="#495864"],
[data-theme="dark"] .article-content [fill="#53606c"],
[data-theme="dark"] .article-content [fill="#53616d"],
[data-theme="dark"] .article-content [fill="#455560"] {
  fill: #ece9f7 !important;
}

[data-theme="dark"] .article-content [fill="#5c5c7a"],
[data-theme="dark"] .article-content [fill="#4a4a6a"] {
  fill: #b1acc8 !important;
}

[data-theme="dark"] .article-content [stroke="#1a1a2e"],
[data-theme="dark"] .article-content [stroke="#495864"],
[data-theme="dark"] .article-content [stroke="#53606c"],
[data-theme="dark"] .article-content [stroke="#53616d"],
[data-theme="dark"] .article-content [stroke="#455560"] {
  stroke: rgba(236, 233, 247, 0.92) !important;
}

[data-theme="dark"] .article-content [stroke="#5c5c7a"],
[data-theme="dark"] .article-content [stroke="#4a4a6a"] {
  stroke: rgba(177, 172, 200, 0.9) !important;
}

.video-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 16px;
}

/* Video paywall overlay for paid-exclusive CF Stream videos */
.video-lock-icon {
  margin-bottom: 4px;
}
.video-lock-title {
  font-size: 20px;
  font-weight: 700;
  margin: 0;
}
.video-lock-text {
  font-size: 14px;
  margin: 0;
}
.video-paywall-overlay .btn {
  margin-top: 4px;
}

.play-btn {
  width: 68px; height: 68px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 24px rgba(0,0,0,0.2);
}

@media (hover: hover) and (pointer: fine) {
  .play-btn:hover { transform: scale(1.1); }
}

.play-btn svg {
  width: 26px; height: 26px;
  fill: var(--text-1);
  margin-left: 3px;
}

/* Watch progress */
.watch-progress-bar {
  height: 4px;
  background: rgba(0,0,0,0.06);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 8px;
}

.watch-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.5s ease;
}

.watch-progress-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-3);
  margin-bottom: 18px;
}

.complete-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
}

.login-hint {
  font-size: 13px;
  color: var(--text-3);
  text-align: center;
  padding: 12px 0;
}

.video-title {
  margin-bottom: 12px;
}

.video-description {
  line-height: 1.8;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.3);
}

.video-actions { display: flex; flex-wrap: wrap; }
.paid-lock {
  opacity: 0.5;
  cursor: not-allowed !important;
}
.paid-hint {
  font-size: 13px;
  margin-top: 4px;
}
@media (hover: hover) and (pointer: fine) {
  .paid-hint-link:hover { text-decoration: underline; }
}

/* ===== Comments ===== */

.comment-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
  overflow: hidden;
}
.comment-avatar .avatar-img,
.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.btn-sm {
  border-radius: 20px;
}

/* Reply Input Box */

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.comments-empty {
  text-align: center;
  color: var(--text-3);
  padding: 40px 0;
  font-size: 14px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
}

/* ===== Quiz ===== */
.quiz-section {
  max-width: 700px;
  margin: 0 auto;
  padding: 20px 24px 40px;
}

.quiz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.quiz-header h2 { font-weight: 700; }

.quiz-progress-text {
  font-size: 13px;
  color: var(--text-3);
  font-weight: 600;
  background: var(--glass-light);
  padding: 4px 12px;
  border-radius: 50px;
}

.quiz-progress-bar {
  width: 100%;
  border-radius: 2px;
  margin-bottom: 30px;
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.35s ease;
}

.quiz-question {
  font-weight: 500;
  margin-bottom: 22px;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  margin-bottom: 28px;
}

.quiz-option {
  cursor: pointer;
  transition: var(--transition);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 14px;
}

.quiz-option.correct {
  animation: popCorrect 0.3s ease;
}

.quiz-option.correct .option-letter {
  background: #22c55e;
  color: #fff;
  border-color: #22c55e;
}

.quiz-option.wrong {
  animation: shake 0.4s ease;
}

.quiz-option.wrong .option-letter {
  background: #ef4444;
  color: #fff;
  border-color: #ef4444;
}

.quiz-option.dimmed {
  opacity: 0.4;
  pointer-events: none;
}

.option-check {
  margin-left: auto;
  color: #22c55e;
  font-weight: 700;
  font-size: 18px;
}

.option-cross {
  margin-left: auto;
  color: #ef4444;
  font-weight: 700;
  font-size: 18px;
}

.quiz-feedback {
  text-align: center;
  padding: 14px;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  animation: fadeSlideIn 0.3s ease;
}

.feedback-correct {
  background: var(--ws-positive-soft);
  color: var(--ws-positive);
}

.feedback-wrong {
  background: var(--ws-danger-soft);
  color: var(--ws-danger);
}

.quiz-insight {
  padding: 16px;
  margin: -4px 0 20px;
  animation: fadeSlideIn 0.3s ease;
}

.quiz-explanation + .quiz-explanation {
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  margin-top: 12px;
  padding-top: 12px;
}

.quiz-insight-label {
  color: var(--text-3);
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 6px;
}

.quiz-explanation p,
.quiz-hint p {
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.7;
  margin: 0;
}

.quiz-hint {
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  margin-top: 12px;
  padding-top: 12px;
}

.quiz-hint summary {
  color: var(--accent);
  cursor: pointer;
  display: inline-flex;
  font-size: 14px;
  font-weight: 700;
  list-style: none;
}

.quiz-hint summary::-webkit-details-marker {
  display: none;
}

.quiz-hint summary::after {
  content: '⌄';
  font-size: 13px;
  margin-left: 6px;
  transition: transform 0.2s ease;
}

.quiz-hint[open] summary::after {
  transform: rotate(180deg);
}

.quiz-hint p {
  margin-top: 10px;
}

@keyframes popCorrect {
  0% { transform: scale(1); }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto !important; }
}

.option-letter {
  width: 30px; height: 30px; min-width: 30px;
  border-radius: 50%;
  border: 2px solid rgba(0,0,0,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  color: var(--text-2);
  transition: var(--transition);
}

.quiz-option.selected .option-letter {
  background: var(--accent);
  color: var(--ws-on-brand);
  border-color: var(--accent);
}

.quiz-actions {
  display: flex;
  justify-content: space-between;
}

.quiz-result {
  text-align: center;
  padding: 40px 20px;
}

.quiz-result .score {
  font-size: 52px;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -2px;
}

.quiz-result .score-label {
  font-size: 15px;
  color: var(--text-2);
  margin: 8px 0 28px;
}

/* ===== Knowledge ===== */
.knowledge-section {
  max-width: 860px;
  margin: 0 auto;
  padding: 20px 24px 40px;
}

.knowledge-section h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 18px;
}

.knowledge-grid {
  display: grid;
}

@media (hover: hover) and (pointer: fine) {
  .knowledge-card:hover {
    transform: translateY(-2px);
  }
}

.knowledge-card h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.knowledge-card p {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.7;
}

/* ===== Mindmap ===== */
.mindmap-section {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px 24px 40px;
}

.mindmap-section h2 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 22px;
}

.mindmap-list {
  display: flex;
  flex-direction: column;
}

.mindmap-item {
  overflow: hidden;
}

.mindmap-item h3 {
  font-size: 15px;
  font-weight: 600;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.3);
  color: var(--text-1);
}

.mindmap-image-wrapper {
  padding: 12px;
}

.mindmap-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  display: block;
  cursor: zoom-in;
  transition: var(--transition);
}

@media (hover: hover) and (pointer: fine) {
  .mindmap-image:hover {
    transform: scale(1.01);
  }
}

.mindmap-pdf-wrapper {
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mindmap-pdf {
  width: 100%;
  height: 70vh;
  height: 70svh;
  border: none;
  border-radius: var(--radius-sm);
  background: #fff;
}

.pdf-download {
  align-self: flex-start;
}

.course-content-loading {
  color: var(--text-3);
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
}

.mindmap-structure-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.28);
  color: var(--text-2);
  font-size: 12px;
}

.mindmap-structure-toolbar > span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mindmap-structure-toolbar > div {
  display: flex;
  gap: 6px;
}

.mindmap-tool {
  width: 30px;
  height: 30px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.72);
  color: var(--text-1);
  font-weight: 700;
}

.mindmap-structure-canvas {
  height: min(72vh, 680px);
  height: min(72svh, 680px);
  min-height: 460px;
  background:
    linear-gradient(rgba(31,35,40,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31,35,40,0.04) 1px, transparent 1px),
    rgba(255,255,255,0.42);
  background-size: 40px 40px;
}

.structured-mindmap-svg {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
  user-select: none;
}

.structured-mindmap-svg.dragging {
  cursor: grabbing;
}

.structured-mindmap-link {
  fill: none;
  stroke: rgba(142, 152, 168, 0.72);
  stroke-width: 3;
  stroke-linecap: round;
}

.structured-mindmap-node rect {
  fill: rgba(255,255,255,0.96);
  stroke: rgba(31,35,40,0.13);
  stroke-width: 1;
  filter: drop-shadow(0 8px 18px rgba(31,35,40,0.12));
}

.structured-mindmap-node.level-1 rect {
  fill: #111827;
  stroke: rgba(17,24,39,0.92);
}

.structured-mindmap-node.level-2 rect {
  stroke: rgba(37, 99, 235,0.5);
}

.structured-mindmap-node.level-3 rect {
  stroke: rgba(47,128,237,0.42);
}

.structured-mindmap-node.level-4 rect {
  stroke: rgba(23,166,115,0.42);
}

.structured-mindmap-node text {
  dominant-baseline: middle;
  fill: var(--text-1);
  font-size: 16px;
  font-weight: 650;
  pointer-events: none;
}

.structured-mindmap-node.level-1 text {
  fill: #fff;
  font-weight: 760;
}

.structured-mindmap-marker {
  fill: #17a673;
  opacity: 0.95;
}

.structured-mindmap-node.level-2 .structured-mindmap-marker {
  fill: var(--accent);
}

.structured-mindmap-node.level-3 .structured-mindmap-marker {
  fill: #2f80ed;
}

[data-theme="dark"] .mindmap-tool {
  background: var(--ws-surface-raised);
  border-color: var(--ws-border-strong);
  color: var(--ws-text);
}
[data-theme="dark"] .mindmap-structure-canvas {
  background:
    linear-gradient(rgb(148 163 184 / 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgb(148 163 184 / 0.08) 1px, transparent 1px),
    var(--ws-surface-subtle);
  background-size: 40px 40px;
}
[data-theme="dark"] .structured-mindmap-link {
  stroke: rgb(148 163 184 / 0.75);
}
[data-theme="dark"] .structured-mindmap-node rect {
  fill: var(--ws-surface-raised);
  stroke: var(--ws-border-strong);
  filter: drop-shadow(0 8px 18px rgb(0 0 0 / 0.35));
}
[data-theme="dark"] .structured-mindmap-node.level-1 rect {
  fill: var(--ws-brand);
  stroke: var(--ws-brand);
}
[data-theme="dark"] .structured-mindmap-node.level-1 text {
  fill: var(--ws-on-brand);
}
[data-theme="dark"] .structured-mindmap-node.level-2 rect {
  stroke: rgb(129 140 248 / 0.7);
}
[data-theme="dark"] .structured-mindmap-node.level-3 rect {
  stroke: rgb(96 165 250 / 0.6);
}
[data-theme="dark"] .structured-mindmap-node.level-4 rect {
  stroke: rgb(52 211 153 / 0.6);
}

/* ===== Modal ===== */
/* Warning Modal */
.warning-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  transition: opacity 0.3s;
  padding: 20px;
}
.warning-overlay.active {
  opacity: 1;
}
.warning-modal {
  max-width: 420px;
  transform: scale(0.9);
  transition: transform 0.3s;
}
.warning-overlay.active .warning-modal {
  transform: scale(1);
}
.warning-icon {
  margin-bottom: 12px;
}
.warning-title {
  font-weight: 800;
  margin: 0 0 16px;
  letter-spacing: 1px;
}
.warning-text {
  margin: 0 0 24px;
  text-align: left;
}
.warning-confirm {
  width: 100%;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0s linear 0.25s;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transition: opacity 0.25s ease, visibility 0s;
}

.modal {
  max-width: 92vw;
  padding: 36px;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 18px; right: 18px;
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}

.modal-header h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 24px;
}

.form-group { margin-bottom: 14px; }

.form-label {
  display: block;
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid rgba(255,255,255,0.4);
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
}

.form-input:focus {
  border-color: rgba(147, 197, 253, 0.5);
  box-shadow: 0 0 0 4px rgba(147, 197, 253, 0.08);
  background: var(--glass);
}

.form-submit { width: 100%; margin-top: 8px; }

.auth-mode-links {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  font-size: 13px;
}

.auth-mode-links a {
  color: var(--accent);
  cursor: pointer;
  font-weight: 600;
}

.form-footer {
  text-align: center;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-2);
}

.form-footer a {
  color: var(--accent);
  cursor: pointer;
  font-weight: 600;
}

/* ===== Email Verification ===== */
.form-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
}

.form-row .form-input {
  flex: 1;
  min-width: 0;
}

.btn-send-code {
  flex-shrink: 0;
  padding: 10px 14px;
  font-size: 13px;
  white-space: nowrap;
  cursor: pointer;
  font-family: inherit;
}

@media (hover: hover) and (pointer: fine) {
  .btn-send-code:hover:not(:disabled) {
    background: var(--accent-hover);
    transform: translateY(-1px);
  }
}

.btn-send-code:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.code-input-wrap {
  position: relative;
}

.form-input-code {
  letter-spacing: 6px;
  font-size: 18px !important;
  font-weight: 600;
  text-align: center;
  padding-right: 40px !important;
}

.code-status {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  font-weight: bold;
  line-height: 1;
}

.code-status-ok { color: #4caf50; }
.code-status-err { color: #f44336; }

.form-hint {
  margin-top: 4px;
  min-height: 16px;
}

.form-hint-ok { color: var(--ws-positive); }
.form-hint-err { color: var(--ws-danger); }
.pwd-rules { color: var(--text-3); margin-top: 6px; }

.form-msg {
  padding: 10px 14px;
  border-radius: var(--radius-xs);
  font-size: 13px;
  margin-bottom: 14px;
  text-align: center;
}

.form-msg-ok {
  background: var(--ws-positive-soft);
  color: var(--ws-positive);
  border: 1px solid color-mix(in srgb, var(--ws-positive) 30%, transparent);
}

.form-msg-err {
  background: var(--ws-danger-soft);
  color: var(--ws-danger);
  border: 1px solid color-mix(in srgb, var(--ws-danger) 30%, transparent);
}
.form-msg-actions { display: flex; justify-content: center; gap: 10px; margin-top: 8px; }
.form-msg-action {
  min-height: 32px;
  padding: 4px 14px;
  border: 1px solid currentColor;
  border-radius: 999px;
  background: transparent;
  color: inherit;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.form-msg-action:hover { background: color-mix(in srgb, currentColor 10%, transparent); }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.1); border-radius: 3px; }
@media (hover: hover) and (pointer: fine) {
  ::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.18); }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in { animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1); }

/* ===== Empty State ===== */
.empty-state {
  text-align: center;
  padding: 60px 0;
  font-size: 14px;
}

/* ===== Admin Dashboard ===== */
.admin-dashboard {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 24px 60px;
}

.admin-title {
  margin-bottom: 28px;
}

.admin-stats-grid {
  display: grid;
  margin-bottom: 32px;
}

.admin-stat-card {
  text-align: center;
  transition: transform 0.2s;
}

.admin-stat-icon {
  font-size: 28px;
  margin-bottom: 8px;
}

.admin-stat-value {
  font-size: 32px;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.admin-stat-label {
  font-size: 14px;
  font-weight: 500;
}

.admin-stat-sub {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 6px;
}

.admin-section {
  margin-bottom: 24px;
}

.admin-section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.admin-section-header h2 {
  font-size: 18px;
  font-weight: 700;
}

.admin-section-badge {
  background: var(--accent-gradient);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 20px;
}

.admin-table {
  width: 100%;
  font-size: 13px;
}

.admin-table th {
  font-weight: 600;
  white-space: nowrap;
  border-bottom: 2px solid rgba(124, 101, 246, 0.1);
}

.admin-table td {
  border-bottom: 1px solid rgba(0,0,0,0.04);
  vertical-align: middle;
}

@media (hover: hover) and (pointer: fine) {
  .admin-table tbody tr:hover {
    background: rgba(124, 101, 246, 0.03);
  }
}

.admin-user-cell {
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.admin-email {
  color: var(--text-3);
  font-size: 12px;
}

.admin-progress-cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.admin-progress-cell span {
  font-size: 11px;
  color: var(--text-3);
  white-space: nowrap;
}

.admin-mini-bar {
  width: 80px;
  height: 6px;
  background: rgba(0,0,0,0.06);
  border-radius: 3px;
  overflow: hidden;
}

.admin-mini-fill {
  height: 100%;
  background: var(--accent-gradient);
  border-radius: 3px;
  transition: width 0.3s;
}

.admin-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.badge-paid {
  background: linear-gradient(135deg, #2563EB, #3B82F6);
  color: #fff;
}

.badge-free {
  background: rgba(0,0,0,0.06);
  color: var(--text-3);
}

.badge-expired {
  background: rgba(220,53,69,0.12);
  color: #dc3545;
}

.badge-admin {
  background: rgba(102,16,242,0.12);
  color: #6610f2;
  font-size: 10px;
  padding: 2px 6px;
}

.btn-xs {
  border-radius: 8px;
}

.admin-stat-clickable {
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}
@media (hover: hover) and (pointer: fine) {
  .admin-stat-clickable:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(124, 101, 246, 0.15);
  }
}

.admin-id {
  font-size: 12px;
  color: var(--text-3);
  font-family: monospace;
}

.admin-uid {
  font-size: 11px;
  font-family: monospace;
  cursor: pointer;
}

.admin-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.admin-paid-time {
  font-size: 11px;
  color: var(--text-3);
}

.admin-payment-plan {
  flex-shrink: 0;
}

/* Order detail modal */
.admin-order-modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.admin-order-modal-content {
  max-width: 700px;
  padding: 24px;
}

.admin-order-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.admin-order-modal-header h3 {
  margin: 0;
  font-size: 18px;
}

.admin-order-modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-2);
  padding: 4px 8px;
}

@media (hover: hover) and (pointer: fine) {
  .admin-order-modal-close:hover {
    background: rgba(0,0,0,0.06);
  }
}

/* Plan management form */
.admin-plan-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.admin-plan-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.admin-plan-field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
}

.admin-plan-field span {
  font-size: 14px;
  color: var(--text-1);
}

.admin-plan-select,
.admin-plan-input {
  padding: 10px 14px;
  border: 1px solid var(--glass-border);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}

.admin-plan-select:focus,
.admin-plan-input:focus {
  border-color: var(--accent);
}

.admin-plan-shortcuts {
  display: flex;
  gap: 8px;
  margin-top: 4px;
  flex-wrap: wrap;
}

.admin-plan-shortcuts .btn-xs {
  background: var(--accent-light);
  color: var(--accent);
  border: none;
  cursor: pointer;
}

@media (hover: hover) and (pointer: fine) {
  .admin-plan-shortcuts .btn-xs:hover {
    background: var(--accent);
    color: #fff;
  }
}

.admin-plan-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding-top: 8px;
  border-top: 1px solid var(--glass-border);
}

.admin-audit-container {
  max-height: 500px;
  overflow-y: auto;
}

.admin-audit-container table {
  font-size: 13px;
}

.admin-payment-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.admin-payment-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: rgba(255,255,255,0.4);
  border-radius: 12px;
  transition: background 0.2s;
}

@media (hover: hover) and (pointer: fine) {
  .admin-payment-item:hover {
    background: rgba(255,255,255,0.6);
  }
}

.admin-payment-name {
  font-weight: 600;
  font-size: 14px;
}

.admin-payment-email {
  font-size: 12px;
  color: var(--text-3);
}

.admin-payment-amount {
  font-size: 20px;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.admin-payment-time {
  font-size: 12px;
  color: var(--text-3);
}

.btn-admin {
  font-size: 12px;
  background: rgba(124, 101, 246, 0.1);
  color: var(--primary);
  border: 1px solid rgba(124, 101, 246, 0.2);
}

@media (hover: hover) and (pointer: fine) {
  .btn-admin:hover {
    background: rgba(124, 101, 246, 0.2);
  }
}

/* ===== Course CMS ===== */
.admin-cms-form {
  display: grid;
  gap: 14px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 18px;
}
.admin-cms-form label {
  display: grid;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
}
.admin-cms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}
.admin-cms-textarea {
  min-height: 70px;
  resize: vertical;
}
.admin-cms-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.admin-board-tabs {
  margin-bottom: 18px;
}
.admin-presence-grid {
  display: grid;
}
.admin-presence-label {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 8px;
}
.admin-presence-value {
  font-size: 34px;
  line-height: 1;
  font-weight: 850;
  letter-spacing: -0.04em;
}
.admin-presence-sub {
  font-size: 12px;
  margin-top: 8px;
}
.admin-user-subtabs {
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.admin-board-tab {
  appearance: none;
  font-weight: 700;
  cursor: pointer;
}
.admin-board[hidden] {
  display: none !important;
}
.admin-user-panel[hidden] {
  display: none !important;
}
.btn:disabled,
.admin-plan-input:disabled,
.admin-plan-select:disabled {
  cursor: not-allowed;
  opacity: .55;
}
.admin-resource-simple {
  display: grid;
  gap: 14px;
}
.admin-resource-step {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 16px;
}
.admin-resource-step-index {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-weight: 800;
}
.admin-resource-step-body {
  display: grid;
  gap: 12px;
}
.admin-resource-step-body h3 {
  margin: 4px 0 0;
  font-size: 16px;
}
.admin-resource-step-body label {
  display: grid;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
}
.admin-resource-grid {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(220px, 1fr);
  gap: 10px;
}
.admin-resource-full-file {
  justify-content: center;
  min-height: 46px;
}
.admin-resource-choice-list {
  display: grid;
  gap: 8px;
}
.admin-resource-choice {
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 10px !important;
  padding: 10px 12px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
}
.admin-resource-choice.disabled {
  opacity: 0.55;
}
.admin-resource-choice input[type="checkbox"] {
  width: 18px;
  height: 18px;
}
.admin-resource-folder-file {
  justify-content: center;
  min-height: 46px;
}
.admin-resource-folder-file.secondary {
  background: var(--bg-2);
  border-color: var(--glass-border);
  color: var(--text-2);
}
.admin-resource-picker {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  gap: 10px;
  margin-bottom: 14px;
}
.admin-resource-files {
  display: grid;
  gap: 12px;
  padding: 16px;
  margin-bottom: 16px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  background: var(--glass);
}
.admin-resource-files h3,
.admin-stream-box h3 {
  margin: 0;
  font-size: 16px;
}
.admin-resource-files p {
  margin: 4px 0 0;
  color: var(--text-3);
  font-size: 13px;
}
.admin-resource-summary {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 13px;
}
.admin-resource-summary span {
  padding: 5px 9px;
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  background: var(--bg-2);
}
.admin-stream-box {
  margin-top: 0;
}

.admin-html-upload {
  margin-left: auto;
}
.admin-resource-upload {
  margin-left: auto;
}
.stream-result-success.error {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.22);
}
.admin-quiz-toolbar {
  margin-bottom: 14px;
}
.admin-quiz-list {
  display: grid;
  gap: 10px;
}
.admin-quiz-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  background: var(--glass);
}
@media (max-width: 640px) {
  .admin-resource-step {
    grid-template-columns: 1fr;
  }
  .admin-resource-grid,
  .admin-resource-picker {
    grid-template-columns: 1fr;
  }
  .admin-resource-choice {
    grid-template-columns: auto 1fr;
  }
  .admin-resource-choice input[type="file"] {
    grid-column: 1 / -1;
  }
  .admin-html-upload,
  .admin-resource-upload {
    margin-left: 0;
  }
}

/* ===== Cloudflare Stream Management ===== */
.stream-upload-box {
  background: var(--glass);
  border: 1px dashed var(--glass-border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}
.stream-upload-form {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.stream-input {
  flex: 1;
  min-width: 200px;
  padding: 10px 14px;
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  background: var(--bg-2);
  color: var(--text-1);
  font-size: 14px;
}
.stream-input:focus {
  border-color: var(--primary);
}
.stream-file-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-2);
  background: var(--bg-2);
  transition: var(--transition);
  max-width: 300px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
@media (hover: hover) and (pointer: fine) {
  .stream-file-label:hover {
    border-color: var(--primary);
    color: var(--text-1);
  }
}
.stream-progress-wrap {
  margin-top: 16px;
}
.stream-progress-bar {
  height: 8px;
  background: rgba(0,0,0,0.06);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 8px;
}
.stream-progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width 0.3s ease;
  width: 0%;
}
.stream-progress-text {
  font-size: 13px;
  color: var(--text-3);
}
.stream-upload-result {
  margin-top: 16px;
}
.stream-result-success {
  background: rgba(34, 197, 94, 0.08);
  border: 1px solid rgba(34, 197, 94, 0.2);
  border-radius: 10px;
  padding: 16px 20px;
}
.stream-result-title {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 10px;
  color: var(--text-1);
}
.stream-result-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 8px;
}
.stream-uid-code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  background: var(--bg-2);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 13px;
  color: var(--primary);
  word-break: break-all;
}
.stream-result-hint {
  font-size: 13px;
  color: var(--text-3);
  margin-top: 8px;
}
.stream-result-hint code {
  background: var(--bg-2);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 12px;
  color: var(--primary);
}

/* Stream video list */
.stream-video-list {
  display: grid;
  gap: 12px;
}
.stream-video-card {
  display: flex;
  gap: 16px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 14px;
  transition: var(--transition);
}
@media (hover: hover) and (pointer: fine) {
  .stream-video-card:hover {
    border-color: var(--primary);
  }
}
.stream-video-thumb {
  width: 160px;
  height: 90px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
  background: var(--bg-2);
}
.stream-video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.stream-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  background: linear-gradient(135deg, #667eea, #764ba2);
}
.stream-status-badge {
  position: absolute;
  bottom: 4px;
  left: 4px;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  color: #fff;
}
.stream-status-badge.ready {
  background: rgba(34, 197, 94, 0.9);
}
.stream-status-badge.processing {
  background: rgba(37, 99, 235, 0.9);
}
.stream-video-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  min-width: 0;
}
.stream-video-name {
  font-weight: 600;
  font-size: 15px;
  color: var(--text-1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.stream-video-meta {
  display: flex;
  gap: 12px;
  font-size: 13px;
  color: var(--text-3);
}
.stream-video-uid {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
}
.stream-video-uid code {
  font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 11px;
  color: var(--text-3);
  background: var(--bg-2);
  padding: 2px 6px;
  border-radius: 4px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 220px;
}

/* ===== Signal Push (信号推送) ===== */
.signal-upgrade {
  text-align: center;
  padding: 40px 24px;
}
.signal-upgrade-icon {
  font-size: 48px;
  margin-bottom: 12px;
}
.signal-upgrade-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.signal-upgrade-desc {
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 20px;
  line-height: 1.6;
}
.signal-telegram {
  padding: 28px;
}
.signal-tg-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.signal-tg-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  object-fit: cover;
  flex-shrink: 0;
}
.signal-tg-title {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 2px;
}
.signal-tg-subtitle {
  font-size: 12px;
  color: var(--text-3);
  margin: 0;
}
.signal-tg-desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 20px;
}
.signal-tg-binding {
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 14px;
}
.signal-tg-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.signal-msg {
  display: none;
  font-size: 13px;
  padding: 8px 12px;
  border-radius: var(--radius-xs);
  margin-top: 12px;
}
.signal-msg-ok {
  background: var(--ws-positive-soft);
  color: var(--ws-positive);
  border: 1px solid color-mix(in srgb, var(--ws-positive) 30%, transparent);
}
.signal-msg-err {
  background: var(--ws-danger-soft);
  color: var(--ws-danger);
  border: 1px solid color-mix(in srgb, var(--ws-danger) 30%, transparent);
}
.signal-features {
  background: var(--glass-light);
}
.signal-features-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 12px;
}
.signal-features-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.signal-features-list li {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.5;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .btn-theme-toggle {
    padding-left: 12px;
    padding-right: 12px;
  }
  .theme-toggle-label {
    display: none;
  }
  .user-name {
    max-width: 96px;
  }
  .auth-buttons .btn {
    padding-left: 14px;
    padding-right: 14px;
  }
  .home-layout {
    padding: 16px;
  }
  .home-sidebar {
    display: none;
  }
  .home-mobile-below-courses {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    width: 100%;
    gap: 16px;
  }
  .home-mobile-below-courses {
    margin: 22px 0 0;
  }
  .home-mobile-below-courses .sidebar-card {
    margin-bottom: 0;
  }
}

@media (max-width: 900px) {
  .user-name {
    max-width: 82px;
  }
}

@media (max-width: 768px) {
  .header {
    min-height: var(--header-h);
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    grid-template-areas:
      "brand . actions"
      "nav nav nav";
    align-items: center;
  }
  .logo-text { display: none; }
  .header-left { display: contents; }
  .logo { grid-area: brand; }
  .header-nav {
    grid-area: nav;
    width: 100%;
    max-width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 2px 2px 4px;
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 14px, #000 calc(100% - 20px), transparent 100%);
    mask-image: linear-gradient(90deg, transparent 0, #000 14px, #000 calc(100% - 20px), transparent 100%);
  }
  .header-nav::-webkit-scrollbar { display: none; }
  .header-nav-item {
    width: auto;
    min-width: 74px;
    height: 38px;
    justify-content: center;
    flex: 0 0 auto;
  }
  #navMarketToggle { min-width: 96px; }
  .header-nav-icon {
    line-height: 1;
  }
  .header-nav-label {
    display: none;
  }
  .header-nav-item::after {
    content: attr(data-short-label);
    font-size: 12px;
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
  }
  .header-nav-caret {
    display: none;
  }
  .header-market-panel {
    right: var(--market-menu-right, 12px);
  }
  .user-name {
    display: none;
  }
  .header-right {
    grid-area: actions;
    justify-self: end;
    min-width: 0;
  }
  .user-menu-trigger { gap: 0; }
  .btn-theme-toggle {
    padding-left: 12px;
    padding-right: 12px;
  }
  .theme-toggle-label { display: none; }
  .video-view, .quiz-section, .knowledge-section { padding: 12px 14px 32px; }
  .admin-dashboard { padding: 12px 14px 40px; }
  .admin-table { font-size: 12px; }
  .admin-payment-item { flex-wrap: wrap; gap: 8px; }
  .stream-video-card { flex-direction: column; }
  .stream-video-thumb { width: 100%; height: auto; aspect-ratio: 16/9; }
  .stream-upload-form { flex-direction: column; }
  .stream-input { width: 100%; }
  .stream-file-label { max-width: 100%; }

}

@media (max-width: 480px) {
  .header-nav {
    padding-left: 0;
    padding-right: 0;
  }
  .header-nav-item {
    min-width: 68px;
    height: 34px;
  }
  #navMarketToggle { min-width: 88px; }
  .header-nav-item::after {
    font-size: 12px;
  }
  .btn-theme-toggle {
    height: 38px;
    padding-left: 10px;
    padding-right: 10px;
  }
  .auth-buttons .btn {
    min-width: 42px;
    height: 38px;
    padding: 0 10px;
    font-size: 13px;
    justify-content: center;
  }
  .auth-buttons #registerBtn {
    display: none;
  }
  .card-thumbnail-bg .ep-number { font-size: 32px; }

}