/* ============================================
   VoiceLingua Web App — Dashboard
   ============================================ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* Palette alignée sur la landing éditoriale (ivoire/encre/terracotta/sauge) */
:root {
    --bg: #FAF7F0; --bg2: #F1ECDF; --card: #FFFEFA; --fg: #1A1714; --fg2: #443C31;
    --muted: #5C544A; --primary: #C8553D; --primary-rgb: 200,85,61; --primary-light: rgba(200,85,61,0.10);
    --accent: #6B8E7F; --danger: #ef4444; --success: #22c55e; --warning: #f59e0b;
    --border: #E5DCC5; --radius: 1rem; --shadow: 0 8px 30px rgba(26,23,20,0.08);
}

html.dark {
    --bg: #141210; --bg2: #2A241E; --card: #1E1A16; --fg: #F0EBE0; --fg2: #CFC5B4;
    --muted: #A89F90; --primary: #E07355; --primary-rgb: 224,115,85; --primary-light: rgba(224,115,85,0.16);
    --danger: #ef4444; --success: #22c55e; --warning: #f59e0b;
    --border: #3A332B; --shadow: 0 8px 30px rgba(0,0,0,0.45);
}

body { font-family: 'Inter', system-ui, sans-serif; background: var(--bg); color: var(--fg); min-height: 100vh; }
h1, h2, h3 { font-family: 'Space Grotesk', system-ui, sans-serif; letter-spacing: -0.02em; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.app-shell { display: flex; min-height: 100vh; }
.sidebar { width: 260px; background: var(--card); border-right: 1px solid var(--border); padding: 24px 16px; display: flex; flex-direction: column; position: fixed; top: 0; left: 0; bottom: 0; z-index: 100; }
.main { margin-left: 260px; flex: 1; padding: 32px; max-width: 960px; }

/* Sidebar */
.sidebar .logo { display: flex; align-items: center; gap: 10px; margin-bottom: 32px; text-decoration: none; color: var(--fg); }
.sidebar .logo img { width: 36px; height: 36px; border-radius: 8px; }
.sidebar .logo span { font-family: 'Space Grotesk', system-ui; font-weight: 700; font-size: 1.2rem; }
.sidebar nav { flex: 1; }
.nav-item { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-radius: 10px; cursor: pointer; font-size: 0.95rem; font-weight: 500; color: var(--muted); transition: all 0.2s; margin-bottom: 4px; border: none; background: none; width: 100%; text-align: left; }
.nav-item:hover { background: var(--bg2); color: var(--fg); }
.nav-item.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.nav-item svg { width: 20px; height: 20px; flex-shrink: 0; }
.sidebar-footer { border-top: 1px solid var(--border); padding-top: 16px; }
.user-info { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.user-avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.9rem; }
.user-email { font-size: 0.85rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 160px; }
.btn-logout { display: flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 8px; cursor: pointer; font-size: 0.75rem; color: var(--danger); border: 1px solid transparent; background: none; width: auto; transition: all 0.2s; }
.btn-logout svg { width: 16px; height: 16px; }
.btn-logout:hover { background: rgba(239,68,68,0.08); border-color: rgba(239,68,68,0.15); }
.btn-delete-account { display: flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 10px; cursor: pointer; font-size: 0.85rem; color: var(--muted); border: none; background: none; width: 100%; transition: all 0.2s; margin-top: 4px; }
.btn-delete-account:hover { color: var(--danger); background: rgba(239,68,68,0.05); }

/* Search bar */
.search-bar { display: flex; flex-direction: column; gap: 10px; }
.search-input-wrap { position: relative; display: flex; align-items: center; }
.search-icon { position: absolute; left: 14px; width: 18px; height: 18px; color: var(--muted); pointer-events: none; }
.search-icon svg { width: 18px; height: 18px; }
.search-input { width: 100%; padding: 11px 76px 11px 42px; border: 1px solid var(--border); border-radius: 10px; font-size: 0.9rem; background: var(--card); color: var(--fg); outline: none; transition: border-color 0.2s; }
.search-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(var(--primary-rgb),0.1); }
.search-input::placeholder { color: var(--muted); }
.search-clear { position: absolute; right: 44px; width: 24px; height: 24px; border: none; background: var(--bg2); border-radius: 6px; cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--muted); padding: 0; }
.search-clear svg { width: 14px; height: 14px; }
.search-clear:hover { color: var(--fg); background: var(--border); }
.search-filters { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-chip { padding: 6px 14px; border: 1px solid var(--border); border-radius: 20px; font-size: 0.8rem; font-weight: 500; cursor: pointer; background: var(--card); color: var(--muted); transition: all 0.2s; }
.filter-chip:hover { border-color: var(--primary); color: var(--primary); }
.filter-chip.active { background: var(--primary); color: white; border-color: var(--primary); }

/* Advanced toggle button */
.adv-toggle { position: absolute; right: 8px; width: 32px; height: 32px; border: none; background: none; border-radius: 8px; cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--muted); padding: 0; transition: all 0.2s; }
.adv-toggle svg { width: 16px; height: 16px; }
.adv-toggle:hover { color: var(--primary); background: var(--bg2); }
.adv-toggle.active { color: var(--primary); background: rgba(var(--primary-rgb),0.1); }
.filter-badge { position: absolute; top: 2px; right: 2px; width: 16px; height: 16px; border-radius: 50%; background: var(--primary); color: white; font-size: 0.6rem; font-weight: 700; display: flex; align-items: center; justify-content: center; line-height: 1; }

/* Advanced panel */
.adv-panel { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; animation: slideDown 0.2s ease; }
@keyframes slideDown { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.adv-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.adv-field { display: flex; flex-direction: column; gap: 6px; }
.adv-field label { display: flex; align-items: center; gap: 6px; font-size: 0.78rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.adv-icon { width: 14px; height: 14px; display: inline-flex; }
.adv-icon svg { width: 14px; height: 14px; }
.adv-date, .adv-select { width: 100%; padding: 8px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 0.85rem; background: var(--bg); color: var(--fg); outline: none; transition: border-color 0.2s; font-family: inherit; }
.adv-date:focus, .adv-select:focus { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(var(--primary-rgb),0.1); }
.adv-actions { display: flex; justify-content: flex-end; margin-top: 12px; }
.btn-reset-filters { padding: 6px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 0.8rem; font-weight: 500; cursor: pointer; background: var(--card); color: var(--muted); transition: all 0.2s; }
.btn-reset-filters:hover { border-color: var(--danger); color: var(--danger); }

/* Active filter tags */
.active-filters { display: flex; gap: 6px; flex-wrap: wrap; }
.active-tag { display: inline-flex; align-items: center; gap: 4px; padding: 4px 10px; border-radius: 16px; font-size: 0.75rem; font-weight: 500; background: rgba(var(--primary-rgb),0.1); color: var(--primary); }
.active-tag button { border: none; background: none; color: inherit; cursor: pointer; font-size: 0.85rem; padding: 0 2px; opacity: 0.7; }
.active-tag button:hover { opacity: 1; }

/* Sort button */
.btn-sort { display: flex; align-items: center; gap: 6px; padding: 8px 14px; border: 1px solid var(--border); border-radius: 10px; font-size: 0.8rem; font-weight: 500; cursor: pointer; background: var(--card); color: var(--muted); transition: all 0.2s; white-space: nowrap; }
.btn-sort svg { width: 18px; height: 18px; }
.btn-sort:hover { border-color: var(--primary); color: var(--primary); }

/* Auth screens */
.auth-wrapper { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }
.auth-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 40px; max-width: 420px; width: 100%; box-shadow: var(--shadow); }
.auth-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; justify-content: center; }
.auth-logo img { width: 44px; height: 44px; border-radius: 10px; }
.auth-logo span { font-family: 'Space Grotesk', system-ui; font-weight: 700; font-size: 1.5rem; }
.auth-card h2 { text-align: center; margin-bottom: 8px; font-size: 1.3rem; }
.auth-subtitle { text-align: center; color: var(--muted); font-size: 0.9rem; margin-bottom: 28px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; color: var(--muted); }
.form-group input { width: 100%; padding: 12px 16px; border: 1px solid var(--border); border-radius: 10px; font-size: 0.95rem; background: var(--bg); color: var(--fg); outline: none; transition: border-color 0.2s; }
.form-group input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(var(--primary-rgb),0.1); }
.btn-primary { width: 100%; padding: 14px; border: none; border-radius: 10px; font-size: 0.95rem; font-weight: 600; cursor: pointer; background: var(--primary); color: white; transition: opacity 0.2s; }
.btn-primary:hover { opacity: 0.9; }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.auth-switch { text-align: center; margin-top: 20px; font-size: 0.9rem; color: var(--muted); }
.auth-switch a { font-weight: 600; }
.auth-msg { padding: 10px 14px; border-radius: 8px; font-size: 0.85rem; margin-top: 12px; }
.auth-msg.error { background: rgba(239,68,68,0.08); color: var(--danger); border: 1px solid rgba(239,68,68,0.15); }
.auth-msg.success { background: rgba(34,197,94,0.08); color: #22c55e; border: 1px solid rgba(34,197,94,0.15); }

/* Cards */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.card + .card { margin-top: 16px; }
.card-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.card-subtitle { font-size: 0.85rem; color: var(--muted); margin-bottom: 16px; }

/* Stats grid */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; text-align: center; }
.stat-value { font-family: 'Space Grotesk', system-ui; font-size: 2rem; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 0.8rem; color: var(--muted); margin-top: 4px; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.stat-sub { font-size: 0.75rem; color: var(--muted); margin-top: 4px; }

/* Progress bar */
.progress-bar { width: 100%; height: 8px; background: var(--bg2); border-radius: 4px; overflow: hidden; margin-top: 8px; }
.progress-fill { height: 100%; border-radius: 4px; transition: width 0.5s ease; }
.progress-fill.ok { background: var(--success); }
.progress-fill.warn { background: var(--warning); }
.progress-fill.danger { background: var(--danger); }

/* Session list */
.session-list { list-style: none; }
.session-item { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-radius: 10px; cursor: pointer; transition: background 0.15s; border-bottom: 1px solid var(--border); }
.session-item:last-child { border-bottom: none; }
.session-item:hover { background: var(--bg2); }
.session-item.active { background: var(--primary-light); }
.session-meta { display: flex; flex-direction: column; gap: 2px; }
.session-date { font-size: 0.9rem; font-weight: 500; }
.session-langs { font-size: 0.8rem; color: var(--muted); }
.session-mode { font-size: 0.7rem; padding: 2px 8px; border-radius: 6px; font-weight: 600; text-transform: uppercase; }
.session-mode.translation { background: rgba(var(--primary-rgb),0.1); color: var(--primary); }
.session-mode.transcription { background: rgba(34,197,94,0.1); color: var(--success); }

/* Transcription detail */
.transcription-card { background: var(--bg2); border-radius: 12px; padding: 16px; margin-bottom: 12px; }
.transcription-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); margin-bottom: 6px; }
.transcription-text { font-size: 0.95rem; line-height: 1.6; white-space: pre-wrap; }

/* Pagination */
.pagination { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 16px; }
.pagination button { padding: 8px 16px; border: 1px solid var(--border); border-radius: 8px; background: var(--card); color: var(--fg); cursor: pointer; font-size: 0.85rem; transition: all 0.2s; }
.pagination button:hover:not(:disabled) { border-color: var(--primary); color: var(--primary); }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }
.pagination span { font-size: 0.85rem; color: var(--muted); }

/* Empty state */
.empty-state { text-align: center; padding: 48px 24px; color: var(--muted); }
.empty-state svg { width: 48px; height: 48px; margin-bottom: 12px; opacity: 0.4; }
.empty-state p { font-size: 0.95rem; }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; z-index: 200; padding: 24px; }
.modal { background: var(--card); border-radius: var(--radius); padding: 32px; max-width: 440px; width: 100%; box-shadow: 0 20px 60px rgba(0,0,0,0.15); }
.modal h3 { margin-bottom: 12px; font-size: 1.15rem; }
.modal p { color: var(--muted); font-size: 0.9rem; margin-bottom: 20px; line-height: 1.5; }
.modal-actions { display: flex; gap: 10px; }
.modal-actions button { flex: 1; padding: 12px; border-radius: 10px; font-size: 0.9rem; font-weight: 600; cursor: pointer; border: 1px solid var(--border); transition: all 0.2s; }
.modal-actions .btn-cancel { background: var(--card); color: var(--fg); }
.modal-actions .btn-cancel:hover { background: var(--bg2); }
.modal-actions .btn-confirm-danger { background: var(--danger); color: white; border-color: var(--danger); }
.modal-actions .btn-confirm-danger:hover { opacity: 0.9; }

/* Theme toggle */
.theme-toggle { position: fixed; top: 16px; right: 16px; width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--border); background: var(--card); cursor: pointer; display: flex; align-items: center; justify-content: center; color: var(--muted); z-index: 150; transition: all 0.2s; }
.theme-toggle:hover { color: var(--fg); border-color: var(--primary); }
.theme-toggle svg { width: 18px; height: 18px; }

/* Loading spinner */
.spinner { display: inline-block; width: 20px; height: 20px; border: 2px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.6s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-center { display: flex; justify-content: center; padding: 40px; }

/* Responsive */
@media (max-width: 768px) {
    .sidebar { display: none; }
    .main { margin-left: 0; padding: 16px; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .mobile-nav { display: flex !important; }
}
.mobile-nav { display: none; position: fixed; bottom: 0; left: 0; right: 0; background: var(--card); border-top: 1px solid var(--border); padding: 8px 16px; z-index: 100; justify-content: space-around; }
.mobile-nav button { display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 8px; border: none; background: none; color: var(--muted); cursor: pointer; font-size: 0.7rem; }
.mobile-nav button.active { color: var(--primary); }
.mobile-nav button svg { width: 22px; height: 22px; }