/* ==========================================================================
   Bias — Rules, Legal & Privacy Portal (Shared Stylesheet)
   Faithful reproduction of Bias mobile design: Caramel accent & Dark/Light
   ========================================================================== */

:root {
  /* Light Theme */
  --bg: #FAF8F5;
  --surface: #F3F0EB;
  --surface-hover: #ECE8E1;
  --surface-card: #FFFFFF;
  --text: #1A1A1A;
  --text-secondary: #7A7570;
  --text-muted: #9C9790;
  --accent: #B8864E;
  --accent-hover: #9E703D;
  --accent-soft: rgba(184, 134, 78, 0.12);
  --border: #E5E1DA;
  --border-subtle: #EFECE6;
  --separator: #E8E4DD;
  --notice-bg: rgba(184, 134, 78, 0.08);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.03);
  --shadow-card: 0 4px 14px rgba(0, 0, 0, 0.04);
}

[data-theme="dark"] {
  /* Dark Theme */
  --bg: #1A1A1A;
  --surface: #262626;
  --surface-hover: #2E2E2E;
  --surface-card: #222222;
  --text: #F5F5F5;
  --text-secondary: #9E9E9E;
  --text-muted: #707070;
  --accent: #C49A6C;
  --accent-hover: #D4AA7C;
  --accent-soft: rgba(196, 154, 108, 0.15);
  --border: #383838;
  --border-subtle: #2F2F2F;
  --separator: #333333;
  --notice-bg: rgba(196, 154, 108, 0.1);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-card: 0 4px 18px rgba(0, 0, 0, 0.28);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  background-color: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.25s ease, color 0.25s ease;
}

body {
  min-height: 100vh;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-container {
  max-width: 580px;
  margin: 0 auto;
  padding: max(env(safe-area-inset-top), 24px) 18px max(env(safe-area-inset-bottom), 44px);
}

/* ==========================================================================
   Navigation & Top Bar
   ========================================================================== */

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 18px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--text);
}

.brand-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--accent);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 18px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent);
  transition: background-color 0.15s ease;
}

.back-link:active {
  background-color: var(--surface-hover);
}

.theme-toggle-btn {
  width: 38px;
  height: 38px;
  border-radius: 19px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  outline: none;
  transition: transform 0.15s ease, background-color 0.2s ease;
}

.theme-toggle-btn:active {
  transform: scale(0.92);
}

[data-theme="light"] .icon-sun {
  display: none;
}

[data-theme="light"] .icon-moon {
  display: block;
}

[data-theme="dark"] .icon-sun {
  display: block;
  color: var(--accent);
}

[data-theme="dark"] .icon-moon {
  display: none;
}

/* ==========================================================================
   Page Headers (Hero)
   ========================================================================== */

.hero-section {
  margin-bottom: 22px;
}

.section-eyebrow {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.page-title {
  font-family: "Georgia", serif;
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.4px;
  line-height: 1.18;
  color: var(--text);
  margin-bottom: 8px;
}

.page-desc {
  font-size: 14.5px;
  line-height: 1.48;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
}

.meta-pill {
  color: var(--accent);
  font-weight: 600;
}

.meta-divider {
  color: var(--border);
}

/* Compact Hub Search */
.search-container {
  position: relative;
  display: flex;
  align-items: center;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  height: 46px;
  padding: 0 14px;
  margin-top: 16px;
  margin-bottom: 20px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-container:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.search-icon {
  color: var(--text-secondary);
  flex-shrink: 0;
  margin-right: 10px;
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 14.5px;
  color: var(--text);
  font-family: inherit;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.clear-btn {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-secondary);
  width: 24px;
  height: 24px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ==========================================================================
   Hub Navigation Cards
   ========================================================================== */

.nav-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.nav-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.nav-card:hover {
  background-color: var(--surface-hover);
  border-color: var(--accent);
  box-shadow: var(--shadow-card);
}

.nav-card:active {
  transform: scale(0.985);
}

.nav-card-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  min-width: 0;
}

.nav-icon-box {
  width: 40px;
  height: 40px;
  border-radius: 20px;
  background-color: var(--bg);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

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

.nav-card-tag {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 2px;
}

.nav-card-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: var(--text);
  line-height: 1.25;
}

.nav-card-desc {
  font-size: 12.5px;
  color: var(--text-secondary);
  margin-top: 2px;
  line-height: 1.35;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-card-arrow {
  color: var(--text-muted);
  flex-shrink: 0;
  margin-left: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, color 0.2s ease;
}

.nav-card:hover .nav-card-arrow {
  color: var(--accent);
  transform: translateX(3px);
}

/* ==========================================================================
   Dedicated Policy Document Content
   ========================================================================== */

.policy-content {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.policy-card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px 22px;
  box-shadow: var(--shadow-sm);
}

.card-heading {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.2px;
  color: var(--text);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-heading svg {
  color: var(--accent);
  flex-shrink: 0;
}

.card-paragraph {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
  margin-bottom: 12px;
}

.card-paragraph:last-child {
  margin-bottom: 0;
}

.policy-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 10px;
}

.policy-list-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--text);
}

.bullet-dot {
  width: 6px;
  height: 6px;
  border-radius: 3px;
  background-color: var(--accent);
  margin-top: 7px;
  flex-shrink: 0;
}

.policy-list-item strong {
  font-weight: 600;
  color: var(--text);
}

.notice-box {
  background-color: var(--notice-bg);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent);
  border-radius: 12px;
  padding: 14px 16px;
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text);
}

.notice-box strong {
  color: var(--accent);
  font-weight: 600;
}

.code-badge {
  font-family: ui-monospace, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  background-color: var(--accent-soft);
  color: var(--accent);
  padding: 2px 6px;
  border-radius: 6px;
  font-weight: 600;
}

/* Document Bottom Action Bar */
.doc-footer-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--separator);
}

.doc-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  background-color: var(--surface);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 16px;
  transition: background-color 0.15s ease;
}

.doc-nav-btn:active {
  background-color: var(--surface-hover);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer-hub {
  margin-top: 32px;
}

.footer-box {
  padding: 22px 18px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  text-align: center;
}

.footer-shield {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background-color: var(--accent-soft);
  padding: 5px 12px;
  border-radius: 14px;
  margin-bottom: 12px;
}

.footer-text {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-bottom: 14px;
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

.footer-email {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: opacity 0.15s ease;
}

.footer-email:hover {
  opacity: 0.8;
  text-decoration: underline;
}

.footer-copy {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 12px;
}

/* Empty Search State */
.empty-state {
  text-align: center;
  padding: 44px 20px;
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-secondary);
}

.empty-icon {
  margin-bottom: 10px;
  color: var(--accent);
  opacity: 0.8;
}

.empty-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.empty-desc {
  font-size: 13px;
  color: var(--text-secondary);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 420px) {
  .page-container {
    padding-left: 14px;
    padding-right: 14px;
  }

  .page-title {
    font-size: 30px;
  }

  .nav-card {
    padding: 14px 15px;
  }

  .nav-card-desc {
    display: none;
  }

  .policy-card {
    padding: 16px 16px;
  }
}