@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ═══════════════════════════════════════════════════════════════
   DESIGN SYSTEM — HIGH-CONTRAST MINIMAL MONOCHROME
═══════════════════════════════════════════════════════════════ */
:root {
  /* Backgrounds */
  --bg-base: #0a0a0a;
  --bg-surface: #141414;
  --bg-surface-hover: #1f1f1f;
  --bg-surface-active: #282828;
  --bg-input: #171717;

  /* Borders */
  --border: #2e2e2e;
  --border-hover: #484848;
  --border-focus: #737373;

  /* Primary — Crisp White */
  --primary: #ffffff;
  --primary-dim: #e5e5e5;
  --primary-glow: rgba(255, 255, 255, 0.12);

  /* Status / Neutral */
  --success: #a3a3a3;
  --warning: #a3a3a3;
  --danger: #d4d4d4;
  --danger-bg: rgba(255, 255, 255, 0.08);

  /* Text — High Contrast White & Light Grey */
  --text-primary: #ffffff;
  --text-secondary: #e5e5e5;
  --text-muted: #a3a3a3;
  --text-disabled: #737373;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Transitions */
  --transition: 0.15s ease;
  --transition-slow: 0.3s ease;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.6);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.7);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.8);

  /* Layout */
  --sidebar-w: 220px;
  --email-list-w: 340px;
}

/* ═══════════════════════════════════════════════════════════════
   RESET & BASE
═══════════════════════════════════════════════════════════════ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-base);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ═══════════════════════════════════════════════════════════════
   SCROLLBAR
═══════════════════════════════════════════════════════════════ */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #383838; border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: #555555; }

/* ═══════════════════════════════════════════════════════════════
   LANDING PAGE
═══════════════════════════════════════════════════════════════ */
.landing {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: var(--bg-base);
}

.landing::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 48px 48px;
}

.landing::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 70% at 50% 50%, transparent 40%, var(--bg-base) 100%);
  pointer-events: none;
}

.landing-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 500px;
  padding: var(--space-8);
  animation: fadeUp 0.6s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.landing-nav {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  padding: 18px 28px;
}

.landing-nav-inner {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.landing-nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.landing-logo-sm {
  font-size: 1.25rem;
}

.landing-nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.landing-nav-link {
  font-size: 0.84rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.landing-nav-link:hover {
  color: #ffffff;
}

.landing-brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
  backdrop-filter: blur(8px);
}

.landing-brand-icon {
  font-size: 1rem;
}

.landing-brand-name {
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #ffffff;
}

.landing-brand-pill {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.15);
  padding: 1px 6px;
  border-radius: 4px;
  color: #ffffff;
}

.landing-logo {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: #1a1a1a;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-4);
  font-size: 24px;
}

.landing h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin-bottom: var(--space-3);
  color: #ffffff;
}

.landing-subheading {
  font-size: 1.05rem;
  font-weight: 500;
  color: #ffffff;
  margin-bottom: var(--space-2);
}

.landing p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: var(--space-8);
}

.btn-google {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 11px 22px;
  border-radius: var(--radius-md);
  background: #ffffff;
  color: #0a0a0a;
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
  border: 1px solid rgba(255,255,255,0.2);
}

.btn-google:hover {
  background: #e8e8e8;
  transform: translateY(-1px);
}

.btn-google:active { transform: translateY(0); }
.btn-google svg { width: 18px; height: 18px; flex-shrink: 0; }

.landing-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-8);
  animation: fadeUp 0.6s 0.15s ease both;
}

.feature-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  text-align: left;
}

.feature-icon { font-size: 1.2rem; margin-bottom: var(--space-3); filter: grayscale(1) brightness(0.9); }
.feature-card h3 { font-size: 0.85rem; font-weight: 600; margin-bottom: var(--space-1); color: #ffffff; }
.feature-card p { font-size: 0.78rem; color: var(--text-secondary); line-height: 1.5; }

.landing-error {
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  color: #ffffff;
  font-size: 0.85rem;
  margin-bottom: var(--space-5);
}

/* ═══════════════════════════════════════════════════════════════
   DASHBOARD LAYOUT
═══════════════════════════════════════════════════════════════ */
.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background: var(--bg-base);
}

/* ─── Sidebar ──────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-header {
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.app-logo {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-active);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
  filter: grayscale(1);
}

.app-name { font-size: 0.9rem; font-weight: 700; color: #ffffff; }
.app-tagline { font-size: 0.7rem; color: var(--text-muted); }

.btn-compose {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin: var(--space-3) var(--space-3);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  background: var(--primary);
  color: #0a0a0a;
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-compose:hover { background: var(--primary-dim); }

.sidebar-nav { flex: 1; overflow-y: auto; padding: var(--space-2) var(--space-2); }

.nav-section-title {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: var(--space-3) var(--space-2) var(--space-1);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 8px var(--space-3);
  border-radius: var(--radius-sm);
  font-size: 0.83rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
  margin-bottom: 1px;
}

.nav-item:hover { background: var(--bg-surface-hover); color: #ffffff; }

.nav-item.active {
  background: var(--bg-surface-active);
  color: #ffffff;
  font-weight: 600;
}

.nav-item .icon { font-size: 0.95rem; width: 18px; text-align: center; flex-shrink: 0; opacity: 0.8; }
.nav-item .label { flex: 1; }

.nav-badge {
  background: #333333;
  color: #ffffff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
  border: 1px solid var(--border);
}

.sidebar-footer {
  padding: var(--space-3);
  border-top: 1px solid var(--border);
}

.user-pill {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-2);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.user-pill:hover { background: var(--bg-surface-hover); }

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 1px solid var(--border);
  flex-shrink: 0;
}

.user-avatar-placeholder {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: #2a2a2a;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  flex-shrink: 0;
  color: #ffffff;
}

.user-name { font-size: 0.8rem; font-weight: 600; color: #ffffff; }
.user-email { font-size: 0.7rem; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 130px; }

/* ─── Email List Panel ─────────────────────────────────────── */
.email-list-panel {
  width: var(--email-list-w);
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-base);
}

.panel-header {
  padding: var(--space-4) var(--space-4);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-shrink: 0;
}

.panel-title { font-size: 0.95rem; font-weight: 700; color: #ffffff; }
.panel-subtitle { font-size: 0.75rem; color: var(--text-muted); }

.search-bar {
  margin: var(--space-3) var(--space-3);
  position: relative;
}

.search-bar input {
  width: 100%;
  padding: 8px 12px 8px 32px;
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: #ffffff;
  font-size: 0.83rem;
  outline: none;
  transition: var(--transition);
}

.search-bar input:focus {
  border-color: var(--border-focus);
}

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

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.8rem;
  pointer-events: none;
}

.email-list { flex: 1; overflow-y: auto; }

.email-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.email-item:hover { background: var(--bg-surface); }

.email-item.active {
  background: var(--bg-surface-active);
  border-left: 2px solid var(--primary);
}

.email-item.unread .sender-name { font-weight: 700; color: #ffffff; }
.email-item.unread .email-subject { font-weight: 600; color: #ffffff; }

.unread-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #ffffff;
  flex-shrink: 0;
  margin-top: 7px;
}

.email-item:not(.unread) .unread-dot { background: transparent; }

.email-item-content { flex: 1; min-width: 0; }

.email-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2px;
}

.sender-name { font-size: 0.85rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 170px; color: #ffffff; }
.email-date { font-size: 0.72rem; color: var(--text-muted); flex-shrink: 0; }
.email-subject { font-size: 0.82rem; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 3px; font-weight: 400; }
.email-snippet { font-size: 0.76rem; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 1.4; }

.email-actions-quick {
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: var(--transition);
  flex-shrink: 0;
}

.email-item:hover .email-actions-quick { opacity: 1; }

.quick-btn {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: var(--transition);
}

.quick-btn:hover { background: var(--bg-surface-hover); color: #ffffff; }
.quick-btn.starred { color: #ffffff; opacity: 0.9; }

.load-more-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  border-top: 1px solid var(--border);
}

.load-more-btn:hover { color: #ffffff; background: var(--bg-surface); }

/* ─── Email Detail Panel ───────────────────────────────────── */
.email-detail-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-base);
}

.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  color: var(--text-muted);
}

.empty-state-icon { font-size: 2.5rem; opacity: 0.3; }
.empty-state h3 { font-size: 1rem; font-weight: 600; color: #ffffff; }
.empty-state p { font-size: 0.84rem; color: var(--text-muted); }

.email-detail {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.email-detail-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.email-detail-subject {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--space-4);
  color: #ffffff;
  letter-spacing: -0.02em;
}

.email-meta {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
}

.email-sender-info {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
}

.sender-avatar {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: #222222;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  flex-shrink: 0;
  color: #ffffff;
}

.sender-details { flex: 1; min-width: 0; }
.sender-full { font-size: 0.9rem; font-weight: 600; color: #ffffff; }
.sender-addr { font-size: 0.76rem; color: var(--text-muted); }
.email-to { font-size: 0.76rem; color: var(--text-muted); }

.email-date-full { font-size: 0.8rem; color: var(--text-muted); flex-shrink: 0; }

.email-action-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 500;
  transition: var(--transition);
}

.action-btn:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-hover);
  color: #ffffff;
}

.action-btn.danger {
  color: #fca5a5;
}

.action-btn.danger:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.4);
  color: #ffffff;
}

.action-btn.primary {
  background: var(--primary);
  border-color: transparent;
  color: #0a0a0a;
  font-weight: 600;
}

.action-btn.primary:hover {
  background: var(--primary-dim);
}

/* ─── Email Body Card (High-Contrast Inverted / Light & Dark) ── */
.email-body-container {
  padding: var(--space-5) var(--space-6);
  flex: 1;
}

.email-body-card {
  border-radius: var(--radius-md);
  padding: var(--space-6);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  overflow-x: auto;
  max-width: 100%;
}

/* Light / Inverted Mode (Default for crisp, true-to-design HTML email readability) */
.email-body-card.light-mode {
  background: #ffffff;
  color: #1a1a1a;
  border: 1px solid #e0e0e0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.email-body-card.light-mode .email-body {
  color: #1a1a1a;
}

.email-body-card.light-mode .email-body,
.email-body-card.light-mode .email-body p,
.email-body-card.light-mode .email-body span,
.email-body-card.light-mode .email-body div,
.email-body-card.light-mode .email-body td,
.email-body-card.light-mode .email-body th,
.email-body-card.light-mode .email-body li,
.email-body-card.light-mode .email-body h1,
.email-body-card.light-mode .email-body h2,
.email-body-card.light-mode .email-body h3,
.email-body-card.light-mode .email-body h4,
.email-body-card.light-mode .email-body h5,
.email-body-card.light-mode .email-body h6,
.email-body-card.light-mode .email-body strong,
.email-body-card.light-mode .email-body em,
.email-body-card.light-mode .email-body b {
  color: #1a1a1a;
}

.email-body-card.light-mode .email-body a {
  color: #2563eb !important;
  text-decoration: underline;
}

.email-body-card.light-mode .email-body blockquote {
  border-left: 3px solid #cbd5e1;
  padding-left: var(--space-4);
  color: #64748b !important;
  margin: var(--space-4) 0;
}

.email-body-card.light-mode .email-body-text {
  color: #1a1a1a;
  font-family: inherit;
  white-space: pre-wrap;
  font-size: 0.92rem;
  line-height: 1.8;
}

/* Dark Mode */
.email-body-card.dark-mode {
  background: #141414;
  color: #f3f4f6;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}

.email-body-card.dark-mode .email-body {
  color: #f3f4f6;
}

.email-body-card.dark-mode .email-body,
.email-body-card.dark-mode .email-body p,
.email-body-card.dark-mode .email-body span,
.email-body-card.dark-mode .email-body div,
.email-body-card.dark-mode .email-body td,
.email-body-card.dark-mode .email-body th,
.email-body-card.dark-mode .email-body li,
.email-body-card.dark-mode .email-body h1,
.email-body-card.dark-mode .email-body h2,
.email-body-card.dark-mode .email-body h3,
.email-body-card.dark-mode .email-body h4,
.email-body-card.dark-mode .email-body h5,
.email-body-card.dark-mode .email-body h6,
.email-body-card.dark-mode .email-body strong,
.email-body-card.dark-mode .email-body em,
.email-body-card.dark-mode .email-body b {
  color: #f3f4f6;
}

.email-body-card.dark-mode .email-body a {
  color: #60a5fa !important;
  text-decoration: underline;
}

.email-body-card.dark-mode .email-body blockquote {
  border-left: 2px solid var(--border);
  padding-left: var(--space-4);
  color: var(--text-muted) !important;
  margin: var(--space-4) 0;
}

.email-body-card.dark-mode .email-body-text {
  color: #f3f4f6;
  white-space: pre-wrap;
  font-size: 0.92rem;
  line-height: 1.8;
}

.email-body {
  font-size: 0.92rem;
  line-height: 1.7;
  max-width: 100%;
}

.email-body * { max-width: 100%; }
.email-body img { height: auto; border-radius: var(--radius-sm); max-width: 100%; }
.email-body table { max-width: 100% !important; }


/* Thread */
.thread-section {
  padding: 0 var(--space-6) var(--space-6);
}

.thread-title {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.thread-item {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  margin-bottom: 2px;
  font-size: 0.82rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.thread-item .sender { font-weight: 600; color: #ffffff; }
.thread-item .date { color: var(--text-muted); }

/* ─── AI Panel ─────────────────────────────────────────────── */
.ai-panel {
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
  flex-shrink: 0;
}

.ai-panel-header {
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}

.ai-panel-header:hover { background: var(--bg-surface-hover); }

.ai-panel-title {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: 0.82rem;
  font-weight: 600;
  color: #ffffff;
}

.ai-badge {
  background: #2a2a2a;
  color: #ffffff;
  font-size: 0.6rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.06em;
  border: 1px solid var(--border);
}

.ai-panel-body {
  padding: 0 var(--space-6) var(--space-4);
  display: none;
}

.ai-panel-body.open { display: block; }

.ai-tabs {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
  padding-bottom: var(--space-3);
}

.ai-tab {
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}

.ai-tab:hover { color: #ffffff; background: var(--bg-surface-hover); }

.ai-tab.active {
  background: var(--bg-surface-active);
  border-color: var(--border);
  color: #ffffff;
  font-weight: 600;
}

.ai-summary-card {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.ai-summary-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-size: 0.75rem;
  font-weight: 600;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.ai-summary-text { font-size: 0.88rem; color: #f5f5f5; line-height: 1.7; }

.ai-classify-card {
  background: var(--bg-base);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.classify-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.74rem;
  font-weight: 600;
  background: var(--bg-surface-active);
  color: #ffffff;
  border: 1px solid var(--border-hover);
}

.reply-section { display: flex; flex-direction: column; gap: var(--space-3); }

.tone-selector { display: flex; gap: var(--space-1); flex-wrap: wrap; }

.tone-btn {
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.74rem;
  cursor: pointer;
  transition: var(--transition);
}

.tone-btn:hover { border-color: var(--border-hover); color: #ffffff; }
.tone-btn.active { background: var(--bg-surface-active); border-color: var(--border-hover); color: #ffffff; font-weight: 600; }

.reply-textarea {
  width: 100%;
  min-height: 180px;
  max-height: 500px;
  padding: var(--space-4);
  background: var(--bg-base);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-md);
  color: #ffffff;
  font-size: 0.92rem;
  line-height: 1.8;
  resize: vertical;
  outline: none;
  transition: border-color var(--transition);
  box-sizing: border-box;
  overflow-y: auto;
}

.reply-textarea:focus { border-color: var(--border-focus); }
.reply-textarea::placeholder { color: var(--text-muted); }

.reply-actions { display: flex; gap: var(--space-2); }

/* ─── Loading States ───────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg,
    rgba(255,255,255,0.04) 25%,
    rgba(255,255,255,0.09) 50%,
    rgba(255,255,255,0.04) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-email {
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.sk-line { height: 10px; margin-bottom: 8px; }
.sk-wide { width: 60%; }
.sk-medium { width: 40%; }
.sk-narrow { width: 25%; }

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: #ffffff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-inline {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  color: var(--text-secondary);
  font-size: 0.82rem;
}

/* ─── Toast Notifications ──────────────────────────────────── */
#toast-container {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  pointer-events: none;
}

.toast {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 500;
  background: #1c1c1c;
  border: 1px solid var(--border-hover);
  color: #ffffff;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.25s ease, toastOut 0.25s 2.75s ease forwards;
  pointer-events: all;
}

.toast.success { border-color: #404040; color: #ffffff; }
.toast.error { border-color: #555555; color: #ffffff; }
.toast.info { border-color: var(--border-hover); color: #ffffff; }

@keyframes toastIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes toastOut { from { opacity: 1; } to { opacity: 0; } }

/* ─── Compose Modal ────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  z-index: 1000;
  display: none;
  align-items: flex-end;
  justify-content: flex-end;
  padding: var(--space-5);
}

.modal-backdrop.open { display: flex; }

.compose-modal {
  width: 520px;
  background: #141414;
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: composeIn 0.25s cubic-bezier(0.34, 1.2, 0.64, 1);
}

@keyframes composeIn {
  from { opacity: 0; transform: translateY(24px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.compose-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.compose-title { font-size: 0.85rem; font-weight: 700; color: #ffffff; }

.compose-close {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  transition: var(--transition);
}

.compose-close:hover { background: var(--bg-surface-hover); color: #ffffff; }

.compose-body { padding: 0; }

.compose-field {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding: 0 var(--space-4);
  gap: var(--space-3);
}

.compose-field label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  min-width: 44px;
  flex-shrink: 0;
}

.compose-field input {
  flex: 1;
  padding: 10px 0;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 0.86rem;
  outline: none;
}

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

.compose-body-area { padding: var(--space-3) var(--space-4); }

.compose-body-area textarea {
  width: 100%;
  min-height: 180px;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 0.88rem;
  line-height: 1.75;
  resize: none;
  outline: none;
}

.compose-body-area textarea::placeholder { color: var(--text-muted); }

.compose-footer {
  padding: var(--space-3) var(--space-4);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.compose-ai-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-surface-active);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 500;
  transition: var(--transition);
}

.compose-ai-btn:hover { border-color: var(--border-hover); background: #333333; }

.send-btn {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 7px 18px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #0a0a0a;
  font-size: 0.82rem;
  font-weight: 700;
  transition: var(--transition);
}

.send-btn:hover { background: var(--primary-dim); }
.send-btn:disabled { opacity: 0.4; pointer-events: none; }

/* Utility */
.hidden { display: none !important; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-2 { gap: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--text-secondary); }
.font-bold { font-weight: 700; }

/* ═══════════════════════════════════════════════════════════════
   LEGAL / PRIVACY & TERMS PAGES STYLING
═══════════════════════════════════════════════════════════════ */
.legal-body {
  background: radial-gradient(circle at 50% 0%, #171717 0%, #0a0a0a 100%);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.65;
}

.legal-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(10, 10, 10, 0.82);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
}

.legal-nav-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.legal-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.legal-brand-icon {
  font-size: 1.3rem;
}

.legal-nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.legal-nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: var(--transition);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
}

.legal-nav-link:hover, .legal-nav-link.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.legal-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 48px 24px 80px 24px;
}

.legal-header {
  margin-bottom: 32px;
}

.legal-badge {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.legal-title {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #ffffff;
  margin-bottom: 8px;
}

.legal-subtitle {
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* Callout Box */
.legal-callout {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-left: 4px solid #4285F4;
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 40px;
  backdrop-filter: blur(10px);
}

.legal-callout-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 8px;
}

.legal-callout p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

.legal-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  align-items: start;
}

/* Sticky TOC */
.legal-toc {
  position: sticky;
  top: 90px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.legal-toc-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.legal-toc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.legal-toc-list a {
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: var(--transition);
  display: block;
  padding: 3px 0;
}

.legal-toc-list a:hover {
  color: #ffffff;
  transform: translateX(3px);
}

/* Content Area */
.legal-content {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.legal-section {
  scroll-margin-top: 100px;
}

.legal-section h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.legal-section p {
  font-size: 0.94rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.7;
}

.legal-section ul {
  margin: 12px 0 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.legal-section li {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.legal-section code {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.84rem;
  font-family: monospace;
  color: #ffffff;
}

.legal-link {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
  transition: var(--transition);
}

.legal-link:hover {
  color: #d4d4d4;
}

/* Cards & Grids */
.legal-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 20px 0;
}

.legal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.legal-card-icon {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.legal-card h3 {
  font-size: 0.96rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 8px;
}

.legal-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-bottom: 0;
}

.legal-card-highlight {
  border-color: #484848;
  background: rgba(255, 255, 255, 0.04);
}

.legal-highlight {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin: 16px 0;
}

.legal-contact-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-top: 14px;
}

.legal-contact-card p {
  margin-bottom: 6px;
}

.legal-contact-card p:last-child {
  margin-bottom: 0;
}

/* Legal Footer */
.legal-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
  padding: 28px 24px;
}

.legal-footer-inner {
  max-width: 1140px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.84rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 14px;
}

.legal-footer-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.legal-footer-links a {
  color: var(--text-muted);
  transition: var(--transition);
}

.legal-footer-links a:hover {
  color: #ffffff;
}

/* Landing Page Footer */
.landing-footer {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
  width: 100%;
}

.landing-footer-links {
  display: flex;
  align-items: center;
  gap: 18px;
}

.landing-footer-links a {
  color: var(--text-muted);
  transition: var(--transition);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.landing-footer-links a:hover {
  color: #ffffff;
}

.landing-footer-notice {
  font-size: 0.76rem;
  color: var(--text-disabled);
  text-align: center;
  max-width: 580px;
  line-height: 1.4;
}

/* Responsive adjustments */
@media (max-width: 860px) {
  .legal-layout {
    grid-template-columns: 1fr;
  }
  .legal-toc {
    display: none;
  }
  .legal-title {
    font-size: 1.8rem;
  }
  .legal-footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}