/* 象限狐AI shared light theme for legacy product and account pages. */
:root,
html {
  color-scheme: light;
  --bg-primary: #f4f7fb;
  --bg-secondary: #eef3f9;
  --bg-card: #ffffff;
  --bg-hover: #eef4fb;
  --bg-deep: #eaf0f8;
  --bg-tertiary: #f7f9fc;
  --text-primary: #14213d;
  --text-secondary: #52627d;
  --text-muted: #7d8ba3;
  --accent: #3566d6;
  --accent-hover: #2856bd;
  --accent-foreground: #ffffff;
  --accent-dim: rgba(79, 127, 232, 0.1);
  --accent-glow: rgba(79, 127, 232, 0.18);
  --gradient-accent: linear-gradient(112deg, #4f7fe8 0%, #1f9eae 58%, #7c5cc4 100%);
  --border: rgba(75, 112, 170, 0.16);
  --border-light: rgba(75, 112, 170, 0.24);
  --success: #16856f;
  --warning: #b96d32;
  --error: #cf4b52;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: 180ms ease;
  --qx-ink: #14213d;
  --qx-muted: #52627d;
  --qx-faint: #7d8ba3;
  --qx-blue: #3566d6;
  --qx-cyan: #137f8d;
  --qx-violet: #6546b8;
  --qx-line: rgba(75, 112, 170, 0.16);
  --qx-surface: #ffffff;
  --qx-surface-soft: rgba(255, 255, 255, 0.72);
  --qx-shadow: 0 16px 46px rgba(53, 80, 120, 0.1);
}

html {
  background: #f4f7fb;
}

body {
  background-color: #f4f7fb !important;
  background-image:
    radial-gradient(900px 620px at 84% -8%, rgba(79, 127, 232, 0.15), transparent 68%),
    radial-gradient(760px 560px at -8% 28%, rgba(31, 158, 174, 0.09), transparent 70%),
    radial-gradient(760px 640px at 76% 92%, rgba(124, 92, 196, 0.09), transparent 72%) !important;
  background-attachment: fixed !important;
  color: var(--qx-ink) !important;
  font-family: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif !important;
}

body h1,
body h2,
body h3,
body h4,
body h5,
body h6,
body strong,
body b {
  color: var(--qx-ink) !important;
}

body p,
body label,
body small,
body .subtitle,
body .create-subtitle,
body .upload-hint,
body .template-desc,
body .material-info small,
body .empty,
body .loading,
body .upload-hint {
  color: var(--qx-muted);
}

body a {
  color: var(--qx-blue);
}

body a:hover {
  color: var(--qx-cyan);
}

/* Shared site chrome */
#topNav,
.top-nav,
.sf-nav,
.navbar {
  background: rgba(244, 247, 251, 0.82) !important;
  border-bottom: 1px solid var(--qx-line) !important;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7), 0 12px 34px rgba(53, 80, 120, 0.07) !important;
  backdrop-filter: blur(18px) saturate(145%) !important;
  -webkit-backdrop-filter: blur(18px) saturate(145%) !important;
}

.nav,
.page-nav,
.site-header {
  border-color: var(--qx-line) !important;
}

#topNav .logo-link,
#topNav .nav-logo,
#topNav .nav-brand,
#topNav a,
.top-nav a,
.sf-nav a,
.navbar a,
.nav-brand,
.nav-logo,
.logo-link,
.sf-nav-brand,
.nav-links span,
.nav-product {
  color: var(--qx-ink) !important;
}

.nav-links a,
.nav-home,
.sf-nav-links a,
.nav-links a,
.mobile-menu a,
#mobileMenu a,
#mobileMenu button {
  color: var(--qx-muted) !important;
}

.nav-links a:hover,
.nav-home:hover,
.sf-nav-links a:hover,
.mobile-menu a:hover,
#mobileMenu a:hover,
#mobileMenu button:hover {
  color: var(--qx-blue) !important;
}

#menuBtn,
.menu-btn {
  color: var(--qx-ink) !important;
}

#mobileMenu,
.mobile-menu {
  background: rgba(255, 255, 255, 0.96) !important;
  border-color: var(--qx-line) !important;
}

.logo-icon,
.nav-logo-icon,
.brand-mark {
  background: var(--gradient-accent) !important;
  color: #fff !important;
  box-shadow: 0 7px 18px rgba(53, 102, 214, 0.2);
}

/* Main surfaces */
.sf-card,
.card,
.project-card,
.main-content,
.upload-section,
.progress-section,
.post-list,
.post-detail,
.novel-card,
.book-card,
.book-header,
.chapter-content,
.modal-content,
.settings-panel,
.catalog-item,
.result-box,
.clip-item,
.material-card,
.template-card,
.style-card {
  background: rgba(255, 255, 255, 0.92) !important;
  border-color: var(--qx-line) !important;
  color: var(--qx-ink) !important;
  box-shadow: var(--qx-shadow);
}

.sf-card h3,
.card h3,
.card-title,
.post-detail h1,
.post-title,
.book-title,
.novel-title,
.reader-title,
.create-title,
.page-header h1,
.result-title,
.template-name,
.material-info,
.clip-lyrics {
  color: var(--qx-ink) !important;
}

.post-detail .content,
.reply-item .content,
.book-desc,
.novel-desc,
.reader-desc,
.chapter-text,
.script-box,
.create-subtitle,
.post-meta,
.reply-item .meta,
.book-author,
.book-stats,
.novel-author,
.novel-meta,
.reader-author,
.reader-stats {
  color: var(--qx-muted) !important;
}

.post-detail .author-name,
.reply-item .author-name,
.contact-section h3,
.book-stats strong,
.stats-bar strong,
.upload-icon,
.upload-text,
.result-title {
  color: var(--qx-blue) !important;
}

.container,
.main-wrap,
.reader-container,
.main-layout {
  background: transparent !important;
}

.sec,
.ibox,
.clist,
.post-list,
.project-list,
.script-list,
.canvas-wrap,
.quota-bar {
  background: rgba(255, 255, 255, 0.82) !important;
  border-color: var(--qx-line) !important;
}

.sec h3,
.sf-card h3 {
  border-color: var(--qx-line) !important;
}

.stat {
  background: linear-gradient(135deg, rgba(79, 127, 232, 0.12), rgba(31, 158, 174, 0.09)) !important;
  border: 1px solid var(--qx-line);
  color: var(--qx-ink) !important;
  box-shadow: none;
}

.stat h3,
.stat p {
  color: var(--qx-ink) !important;
}

.clist,
.project-list,
.script-list {
  color: var(--qx-ink);
}

.ci,
.project-item,
.script-item,
.catalog-item,
.reply-item {
  background: #f8fafd !important;
  border-color: var(--qx-line) !important;
}

.ci:hover,
.project-item:hover,
.script-item:hover,
.post-item:hover,
.catalog-item:hover,
.reply-item:hover {
  background: #eef4fb !important;
}

.ci.active,
.project-item.active,
.script-item.active,
.catalog-item.active {
  background: rgba(79, 127, 232, 0.12) !important;
  color: var(--qx-ink) !important;
  border-color: rgba(53, 102, 214, 0.36) !important;
}

.rel-net {
  background: #eef4fb !important;
  border-color: var(--qx-line) !important;
}

.rel-legend {
  background: rgba(255, 255, 255, 0.72) !important;
  color: var(--qx-muted) !important;
}

.ws-tab,
.sf-tab,
.step-dot,
.sn-item,
.style-tag,
.feature-item,
.mode-tab,
.mode-btn,
.cat-btn,
.page-btn,
.tab-btn,
.settings-btn,
.back-link,
.back-btn,
.nav-btn {
  background: rgba(255, 255, 255, 0.76) !important;
  border-color: var(--qx-line) !important;
  color: var(--qx-muted) !important;
  box-shadow: none;
}

.ws-tab:hover,
.sf-tab:hover,
.step-dot:hover,
.sn-item:hover,
.style-tag:hover,
.feature-item:hover,
.mode-tab:hover,
.mode-btn:hover,
.cat-btn:hover,
.page-btn:hover,
.tab-btn:hover,
.settings-btn:hover,
.back-link:hover,
.back-btn:hover,
.nav-btn:hover {
  background: #eef4fb !important;
  border-color: rgba(53, 102, 214, 0.34) !important;
  color: var(--qx-blue) !important;
}

.ws-tab.active,
.sf-tab.active,
.step-dot.active,
.sn-item.active,
.style-tag.active,
.feature-item.active,
.mode-tab.active,
.mode-btn.active,
.cat-btn.active,
.page-btn.active,
.tab-btn.active,
.settings-btn.active,
.font-sizes button.active {
  background: rgba(79, 127, 232, 0.13) !important;
  border-color: rgba(53, 102, 214, 0.4) !important;
  color: var(--qx-blue) !important;
}

.step-dot.done,
.sn-item.done,
.step.completed {
  background: rgba(31, 158, 174, 0.1) !important;
  border-color: rgba(19, 127, 141, 0.35) !important;
  color: var(--qx-cyan) !important;
}

.step,
.quote-bar,
.tag,
.user-badge,
.post-tag {
  background: rgba(79, 127, 232, 0.09) !important;
  border-color: rgba(53, 102, 214, 0.14) !important;
  color: var(--qx-blue) !important;
}

.step-num,
.sn-num,
.dot-num,
.panel-num,
.quota-num {
  background: rgba(79, 127, 232, 0.12) !important;
  color: var(--qx-blue) !important;
}

/* Forms */
input:not([type="checkbox"]):not([type="radio"]):not([type="range"]),
textarea,
select,
.sf-input,
.sf-textarea,
.sf-select,
.form-input,
.form-select,
.form-textarea,
.model-select {
  background: #f8fafd !important;
  border: 1px solid var(--qx-line) !important;
  color: var(--qx-ink) !important;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

input::placeholder,
textarea::placeholder {
  color: #93a0b2 !important;
}

input:focus,
textarea:focus,
select:focus,
.sf-input:focus,
.sf-textarea:focus,
.sf-select:focus,
.form-input:focus,
.form-select:focus,
.form-textarea:focus,
.model-select:focus {
  border-color: rgba(53, 102, 214, 0.6) !important;
  outline: none !important;
  box-shadow: 0 0 0 3px rgba(79, 127, 232, 0.12) !important;
}

select option,
.sf-select option,
.form-select option {
  background: #fff !important;
  color: var(--qx-ink) !important;
}

/* Buttons */
.btn-primary,
.submit-btn,
.read-btn,
.catalog-btn,
.new-post-btn,
.upload-btn,
.sf-btn-primary {
  background: var(--gradient-accent) !important;
  border-color: transparent !important;
  color: #fff !important;
  box-shadow: 0 9px 24px rgba(53, 102, 214, 0.2);
}

.btn-primary:hover,
.submit-btn:hover,
.read-btn:hover,
.catalog-btn:hover,
.new-post-btn:hover,
.upload-btn:hover,
.sf-btn-primary:hover {
  opacity: 0.94;
  box-shadow: 0 12px 28px rgba(53, 102, 214, 0.26);
}

.btn-ghost,
.btn-secondary,
.action-btn,
.sf-btn-outline,
.bookshelf-btn {
  background: rgba(255, 255, 255, 0.76) !important;
  border-color: var(--qx-line) !important;
  color: var(--qx-ink) !important;
}

.btn-ghost:hover,
.btn-secondary:hover,
.action-btn:hover,
.sf-btn-outline:hover,
.bookshelf-btn:hover {
  background: #eef4fb !important;
  border-color: rgba(53, 102, 214, 0.32) !important;
  color: var(--qx-blue) !important;
}

.btn-danger {
  background: rgba(207, 75, 82, 0.08) !important;
  border-color: rgba(207, 75, 82, 0.24) !important;
  color: #b53640 !important;
}

.btn-w {
  background: #b96d32 !important;
  border-color: #b96d32 !important;
  color: #fff !important;
}

.btn-g {
  background: #16856f !important;
  border-color: #16856f !important;
  color: #fff !important;
}

.btn-r {
  background: #cf4b52 !important;
  border-color: #cf4b52 !important;
  color: #fff !important;
}

.toast {
  box-shadow: 0 14px 34px rgba(34, 52, 84, 0.2);
}

/* Modals and account surfaces */
.modal,
.sf-modal {
  background: rgba(30, 42, 66, 0.42) !important;
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
}

.modal-content,
.sf-modal-box {
  background: rgba(255, 255, 255, 0.98) !important;
  border: 1px solid var(--qx-line) !important;
  color: var(--qx-ink) !important;
  box-shadow: 0 28px 80px rgba(34, 52, 84, 0.22) !important;
}

.modal-header h2,
.sf-modal-box h3 {
  color: var(--qx-ink) !important;
}

.modal-close,
.close-btn,
.catalog-close {
  color: var(--qx-muted) !important;
}

.modal-close:hover,
.close-btn:hover,
.catalog-close:hover {
  color: var(--qx-ink) !important;
}

.sf-badge {
  border: 1px solid rgba(53, 102, 214, 0.12);
}

.sf-badge-free,
.sf-badge-basic,
.sf-badge-pro,
.sf-badge-master,
.sf-badge-lifetime {
  background: rgba(79, 127, 232, 0.1) !important;
  color: var(--qx-blue) !important;
}

/* Membership upsell is intentionally hidden. Quota checks stay in the backend. */
#tierModal,
#upgradeBtn,
.sf-tier-card {
  display: none !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

a[onclick*="showTierModal"],
button[onclick*="showTierModal"],
[onclick*="showTierModal"] a {
  display: none !important;
}

/* Forum */
body .post-list,
body .post-detail,
body .reply-item {
  background: rgba(255, 255, 255, 0.9) !important;
}

body .post-item {
  border-color: var(--qx-line) !important;
}

body .post-item:hover {
  background: #f1f6fd !important;
}

body .pinned-tag {
  background: #fff0f0 !important;
  color: #bd3944 !important;
}

body .official-tag {
  background: rgba(79, 127, 232, 0.12) !important;
  color: var(--qx-blue) !important;
}

body .action-btn.liked {
  background: #fff0f2 !important;
  border-color: #efb4bb !important;
  color: #bd3944 !important;
}

body .contact-section {
  background: rgba(255, 255, 255, 0.9) !important;
  border: 1px solid var(--qx-line);
}

/* Reader and bookshelf */
body .catalog-panel {
  background: rgba(244, 247, 251, 0.96) !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

body .catalog-header h2,
body .chapter-title,
body .book-title,
body .reader-title {
  color: var(--qx-ink) !important;
}

body .chapter-text {
  color: #2d3b50 !important;
}

body .settings-bar {
  background: rgba(255, 255, 255, 0.94) !important;
  border-color: var(--qx-line) !important;
  box-shadow: 0 -10px 30px rgba(53, 80, 120, 0.09);
  backdrop-filter: blur(14px);
}

body .progress-bar,
body .reading-progress {
  background: rgba(75, 112, 170, 0.13) !important;
}

body .progress-fill,
body .reading-progress .bar {
  background: var(--gradient-accent) !important;
}

body .book-cover,
body .novel-cover,
body .reader-cover {
  color: #fff;
}

body .book-card:hover,
body .novel-card:hover {
  box-shadow: 0 18px 46px rgba(53, 80, 120, 0.16);
}

body .stats-bar,
body .search-bar {
  color: var(--qx-muted) !important;
}

/* Music workspace */
body .left-panel {
  background: rgba(255, 255, 255, 0.76) !important;
  border-color: var(--qx-line) !important;
}

body .center-panel {
  background: transparent !important;
}

body .mode-toggle,
body .mode-tabs {
  background: rgba(255, 255, 255, 0.72) !important;
  border: 1px solid var(--qx-line);
}

body .panel-label,
body .create-subtitle {
  color: var(--qx-faint) !important;
}

body #styleResult {
  background: #f5f8fc !important;
  border-color: var(--qx-line) !important;
}

body #styleResult b,
body #styleResult details {
  color: var(--qx-violet) !important;
}

body #styleResult #styleSummary,
body #styleResult #styleGuide,
body #styleResult #styleDetail {
  color: var(--qx-muted) !important;
}

/* MV auto generator */
body .main-content {
  background: rgba(255, 255, 255, 0.9) !important;
}

body .material-thumb {
  background: #eaf0f8 !important;
}

body .progress-bar {
  background: rgba(75, 112, 170, 0.12) !important;
}

.progress-fill {
  background: var(--gradient-accent) !important;
}

/* Legacy inline dark surfaces and muted text */
[style*="background:#0d0d1a"],
[style*="background: #0d0d1a"],
[style*="background:#0a0b10"],
[style*="background: #0a0b10"],
[style*="background:#1a1a24"],
[style*="background: #1a1a24"],
[style*="background:#1a1a25"],
[style*="background: #1a1a25"],
[style*="background:#1a1a2e"],
[style*="background: #1a1a2e"],
[style*="background:#252525"],
[style*="background: #252525"],
[style*="background:#222"],
[style*="background: #222"],
[style*="background:#333"],
[style*="background: #333"],
[style*="background:rgba(0,0,0,0.2)"],
[style*="background: rgba(0,0,0,0.2)"],
[style*="background:rgba(0,0,0,0.3)"],
[style*="background: rgba(0,0,0,0.3)"] {
  background: #f5f8fc !important;
}

[style*="color:#8b8b9e"],
[style*="color: #8b8b9e"],
[style*="color:#888"],
[style*="color: #888"],
[style*="color:#666"],
[style*="color: #666"],
[style*="color:#aaa"],
[style*="color: #aaa"],
[style*="color:#ccc"],
[style*="color: #ccc"],
[style*="color:#ddd"],
[style*="color: #ddd"],
[style*="color:#e0e0e0"],
[style*="color: #e0e0e0"],
[style*="color:#f0f0f5"],
[style*="color: #f0f0f5"] {
  color: var(--qx-muted) !important;
}

[style*="color:#22d3ee"],
[style*="color: #22d3ee"],
[style*="color:#00f0ff"],
[style*="color: #00f0ff"],
[style*="color:#00c2ff"],
[style*="color: #00c2ff"] {
  color: var(--qx-cyan) !important;
}

/* Auth */
body.auth-page {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-height: 100vh !important;
  padding: 36px 20px !important;
}

body.auth-page .auth-box {
  background: rgba(255, 255, 255, 0.94) !important;
  border-color: var(--qx-line) !important;
  box-shadow: 0 30px 80px rgba(34, 52, 84, 0.16) !important;
}

body.auth-page .auth-box h1 {
  font-family: "Poppins", "Noto Sans SC", sans-serif !important;
  letter-spacing: 0 !important;
}

body.auth-page .tier-info {
  background: #f4f7fb !important;
  border: 1px solid var(--qx-line);
}

/* Injected legal footer */
.qx-footer {
  margin-top: 72px;
  border-top: 1px solid var(--qx-line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--qx-muted);
  font-family: "Inter", "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.qx-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 44px 24px 26px;
  display: grid;
  grid-template-columns: minmax(240px, 1.4fr) 1fr 1fr;
  gap: 44px;
}

.qx-footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--qx-ink);
  font-size: 1.05rem;
  font-weight: 700;
}

.qx-footer-mark {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 7px 18px rgba(53, 102, 214, 0.2);
}

.qx-footer-brand p {
  margin: 12px 0 0;
  color: var(--qx-muted);
  font-size: 0.86rem;
  line-height: 1.7;
}

.qx-footer-col strong {
  display: block;
  margin-bottom: 12px;
  color: var(--qx-ink);
  font-size: 0.82rem;
}

.qx-footer-col a {
  display: block;
  margin: 8px 0;
  color: var(--qx-muted);
  font-size: 0.84rem;
  text-decoration: none;
}

.qx-footer-col a:hover {
  color: var(--qx-blue);
}

.qx-footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 24px 26px;
  border-top: 1px solid var(--qx-line);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  color: var(--qx-faint);
  font-size: 0.78rem;
}

.qx-footer-bottom a {
  color: var(--qx-faint);
}

@media (max-width: 760px) {
  body .top-nav {
    padding: 10px 12px !important;
    gap: 8px;
  }

  body .top-nav .nav-menu {
    display: none !important;
  }

  body .top-nav .nav-brand .name {
    font-size: 0.95rem;
  }

  body .top-nav .nav-right {
    margin-left: auto;
    gap: 6px;
    min-width: 0;
  }

  body .top-nav .nav-right .btn {
    padding: 7px 11px;
    font-size: 0.8rem;
  }

  .qx-footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    padding: 34px 20px 20px;
  }

  .qx-footer-brand {
    grid-column: 1 / -1;
  }

  .qx-footer-bottom {
    padding: 16px 20px 24px;
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .qx-footer-inner {
    grid-template-columns: 1fr;
  }

  body.auth-page {
    padding: 20px 14px !important;
  }

  body.auth-page .auth-box {
    padding: 34px 22px !important;
  }
}