:root {
    --primary: #14314f;
    --primary-light: #1e4a75;
    --accent: #d99b2b;
    --accent-dark: #b97f16;
    --success: #2b9348;
    --danger: #e63946;
    --warning: #f4a300;
    --bg: #f4f6f9;
    --card-bg: #ffffff;
    --text: #1f2a37;
    --text-light: #6b7a8f;
    --border: #e2e8f0;
    --radius: 12px;
    --shadow-sm: 0 2px 8px rgba(20,49,79,.06);
    --shadow-md: 0 10px 24px rgba(20,49,79,.12);
    --shadow-lg: 0 22px 46px rgba(20,49,79,.20);
    --ease: cubic-bezier(.22,1,.36,1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    margin: 0;
}
a { color: var(--primary-light); }

/* ---- Animations globales ---- */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes pulseRing { 0% { transform: scale(.9); opacity: .8; } 70% { transform: scale(1.9); opacity: 0; } 100% { transform: scale(1.9); opacity: 0; } }
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.reveal-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* ---- Pages d'authentification (login / licence / espace développeur) ---- */
.page-auth {
    display: flex; align-items: center; justify-content: center; min-height: 100vh;
    background: radial-gradient(circle at top left, #1e4a75, #0d2036 65%);
}
.auth-box {
    background: var(--card-bg); border-radius: var(--radius); padding: 36px 32px;
    width: 100%; max-width: 380px; box-shadow: 0 20px 50px rgba(0,0,0,.35);
}
.auth-box h1 { margin: 0 0 6px; font-size: 22px; color: var(--primary); }
.auth-box label { display: block; margin: 14px 0 6px; font-size: 13.5px; font-weight: 600; color: var(--text); }
.auth-box input { width: 100%; padding: 11px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14.5px; }

.text-muted { color: var(--text-light); }

/* ---- Boutons (style 3D : dégradé, ombre portée, légère élévation) ---- */
.btn {
    display: inline-block; border: none; border-radius: 9px; padding: 10px 18px; font-size: 14.5px;
    cursor: pointer; text-decoration: none; font-weight: 600; position: relative;
    transition: transform .18s var(--ease), box-shadow .18s var(--ease), filter .18s var(--ease);
    box-shadow: 0 3px 0 rgba(0,0,0,.12), 0 6px 16px rgba(20,49,79,.14);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 5px 0 rgba(0,0,0,.12), 0 12px 24px rgba(20,49,79,.2); filter: brightness(1.04); }
.btn:active { transform: translateY(1px); box-shadow: 0 1px 0 rgba(0,0,0,.12), 0 4px 10px rgba(20,49,79,.16); }
.btn-primary { background: linear-gradient(135deg, var(--primary-light), var(--primary)); color: #fff; }
.btn-accent { background: linear-gradient(135deg, #e8b04c, var(--accent)); color: #fff; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); box-shadow: none; }
.btn-outline:hover { box-shadow: var(--shadow-sm); border-color: var(--primary-light); }
.btn-danger { background: linear-gradient(135deg, #ef5a67, var(--danger)); color: #fff; }
.btn-block { display: block; width: 100%; text-align: center; margin-top: 18px; }
.btn-sm { padding: 6px 12px; font-size: 13px; }

/* ---- Alertes ---- */
.alert { padding: 12px 14px; border-radius: 8px; margin: 14px 0; font-size: 14px; }
.alert-success { background: rgba(43,147,72,.1); color: #1f6e35; border: 1px solid rgba(43,147,72,.25); }
.alert-error { background: rgba(230,57,70,.08); color: #b3222e; border: 1px solid rgba(230,57,70,.25); }
.alert-warning { background: rgba(244,163,0,.1); color: #8a5c00; border: 1px solid rgba(244,163,0,.3); }

/* ---- Cartes / admin ---- */
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; margin-bottom: 20px; box-shadow: var(--shadow-sm); transition: box-shadow .22s var(--ease); }
.card:hover { box-shadow: var(--shadow-md); }
.page-admin { padding: 20px; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
.data-table th { background: #f0f3f7; color: var(--text-light); text-transform: uppercase; font-size: 11.5px; letter-spacing: .04em; }
@media (max-width: 720px) {
    .data-table { display: block; overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; }
}

/* ---- Badges ---- */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 700; }
.badge-success { background: rgba(43,147,72,.12); color: #1f6e35; }
.badge-danger { background: rgba(230,57,70,.12); color: #b3222e; }
.badge-warning { background: rgba(244,163,0,.15); color: #8a5c00; }
.badge-muted { background: #eef1f5; color: var(--text-light); }

/* ---- Tableau de bord administrateur (dashboard.php) ---- */
.admin-topbar {
    background: linear-gradient(120deg, var(--primary), var(--primary-light));
    color: #fff;
}
.admin-topbar-inner {
    max-width: 1280px; margin: 0 auto; padding: 14px 24px;
    display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.admin-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: #fff; }
.admin-brand img { height: 42px; width: auto; background: #fff; border-radius: 8px; padding: 3px; }
.admin-brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.admin-brand-text strong { font-size: 17px; font-weight: 800; }
.admin-brand-text span { font-size: 12px; color: #cfe0f0; }
.admin-user { display: flex; align-items: center; gap: 14px; font-size: 14px; }
.admin-user .admin-user-name { display: flex; align-items: center; gap: 8px; }
.admin-user .admin-avatar {
    width: 32px; height: 32px; border-radius: 50%; background: var(--accent); color: #fff;
    display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px;
}

.admin-shell { max-width: 1280px; margin: 0 auto; padding: 24px 24px 60px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 26px; }
.stat-card {
    background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 18px 20px; display: flex; align-items: center; gap: 14px;
    box-shadow: var(--shadow-sm); transition: transform .22s var(--ease), box-shadow .22s var(--ease);
    transform-style: preserve-3d; perspective: 800px;
}
.stat-card:hover { transform: translateY(-5px) rotateX(3deg); box-shadow: var(--shadow-md); }
.stat-icon {
    flex: 0 0 auto; width: 46px; height: 46px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center; font-size: 19px; color: #fff;
    background: var(--primary);
}
.stat-card .stat-value { font-size: 24px; font-weight: 800; color: var(--text); line-height: 1.1; }
.stat-card .stat-label { font-size: 12.5px; color: var(--text-light); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }

.stat-icon.c-blue { background: var(--primary); }
.stat-icon.c-gold { background: var(--accent); }
.stat-icon.c-green { background: var(--success); }
.stat-icon.c-red { background: var(--danger); }
.stat-icon.c-purple { background: #6c4fa1; }
.stat-icon.c-teal { background: #17879c; }

.dash-section-title { font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .05em; color: var(--text-light); margin: 30px 0 12px; }

.section-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 18px; }
.section-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 22px; box-shadow: var(--shadow-sm); transition: transform .22s var(--ease), box-shadow .22s var(--ease); }
.section-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.section-card h2 { margin: 0 0 14px; font-size: 15px; color: var(--primary); display: flex; align-items: center; gap: 10px; }
.section-card h2 i { color: var(--accent); font-size: 15px; }
.section-card ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.section-card ul li a {
    display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 8px;
    color: var(--text); text-decoration: none; font-size: 14px; font-weight: 600; transition: background .15s ease, color .15s ease;
}
.section-card ul li a i { width: 18px; text-align: center; color: var(--text-light); }
.section-card ul li a:hover { background: rgba(30,74,117,.08); color: var(--primary); }
.section-card ul li a:hover i { color: var(--primary); }
.section-card .locked-msg { font-size: 13px; color: var(--text-light); margin: 0; }
.section-card .locked-msg i { margin-right: 6px; }

.img-thumb { width: 52px; height: 52px; object-fit: cover; border-radius: 8px; background: #e2e8f0; flex: 0 0 auto; }
.img-thumb-placeholder {
    width: 52px; height: 52px; border-radius: 8px; background: #eef1f5; color: #a7b3c2;
    display: flex; align-items: center; justify-content: center; font-size: 18px; flex: 0 0 auto;
}

/* ---- Grille de cartes produit (front office) ---- */
.grille-biens { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 22px; }
.carte-bien {
    background: var(--card-bg); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border);
    box-shadow: var(--shadow-sm); transition: transform .25s var(--ease), box-shadow .25s var(--ease);
    will-change: transform;
}
.carte-bien:hover { transform: translateY(-6px) scale(1.015); box-shadow: var(--shadow-lg); }
.carte-bien .photo { width: 100%; height: 190px; object-fit: cover; background: #e2e8f0; transition: transform .4s var(--ease); }
.carte-bien:hover .photo { transform: scale(1.06); }
.carte-bien .corps { padding: 14px 16px; }
.carte-bien .prix { font-weight: 800; color: var(--primary); font-size: 18px; }
.carte-bien .titre { font-weight: 700; margin: 4px 0; }
.carte-bien .lieu { color: var(--text-light); font-size: 13px; }
.tag-dispo { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 11.5px; font-weight: 700; text-transform: uppercase; }
.tag-vente { background: rgba(217,155,43,.15); color: #8a5c00; }
.tag-location { background: rgba(30,74,117,.12); color: var(--primary); }

/* ---- Responsive : topbar admin & grilles ---- */
@media (max-width: 760px) {
    .admin-topbar-inner { padding: 12px 16px; }
    .admin-brand-text span { display: none; }
    .admin-user { font-size: 13px; gap: 8px; }
    .admin-shell { padding: 16px 14px 40px; }
    .stat-grid, .section-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
}
@media (max-width: 480px) {
    .stat-grid, .section-grid { grid-template-columns: 1fr; }
    .btn { padding: 9px 14px; font-size: 14px; }
}

/* =====================================================================
   v2.7 — Composants communs du back-office (pages de gestion)
   ===================================================================== */
.adm-topbar { background: linear-gradient(120deg, var(--primary), var(--primary-light)); color: #fff; }
.adm-topbar-inner { max-width: 1280px; margin: 0 auto; padding: 12px 24px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.adm-topbar a { color: #fff; text-decoration: none; }
.adm-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; }
.adm-brand img { height: 34px; width: auto; background: #fff; border-radius: 7px; padding: 2px; }
.adm-topbar .adm-links { display: flex; gap: 14px; font-size: 14px; align-items: center; flex-wrap: wrap; }
.adm-wrap { max-width: 1280px; margin: 0 auto; padding: 22px 24px 60px; }
.adm-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.adm-head h1 { margin: 0; font-size: 23px; color: var(--primary); display: flex; align-items: center; gap: 10px; }
.adm-head h1 i { color: var(--accent); }
.adm-head p { margin: 4px 0 0; color: var(--text-light); font-size: 14px; }
.adm-breadcrumb { font-size: 13px; margin-bottom: 8px; }
.adm-breadcrumb a { text-decoration: none; }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.toolbar .grow { flex: 1 1 240px; }
.toolbar input[type=text], .toolbar input[type=search], .toolbar select, .toolbar input[type=date] {
    padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; background: #fff;
}
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 14px; }
.tabs a { padding: 8px 14px; border-radius: 20px; border: 1px solid var(--border); background: #fff; color: var(--text); text-decoration: none; font-size: 13.5px; font-weight: 600; }
.tabs a.actif { background: var(--primary); color: #fff; border-color: var(--primary); }
.tabs a .badge { margin-left: 4px; }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px 16px; }
.form-grid .full { grid-column: 1 / -1; }
.champ label, .form-grid label { display: block; font-size: 12.5px; font-weight: 700; color: var(--text); margin-bottom: 5px; }
.champ input, .champ select, .champ textarea,
.form-grid input:not([type=checkbox]):not([type=radio]), .form-grid select, .form-grid textarea {
    width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; font-family: inherit; background: #fff;
}
.form-grid textarea { min-height: 70px; resize: vertical; }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 16px; flex-wrap: wrap; }
.req { color: var(--danger); }

.actions-cell { white-space: nowrap; }
.actions-cell form { display: inline; }
.btn-icon { padding: 6px 9px; font-size: 13px; }
.btn-success { background: linear-gradient(135deg, #3fb162, var(--success)); color: #fff; }
.btn-warning { background: linear-gradient(135deg, #f7b733, var(--warning)); color: #fff; }
.data-table tr:hover td { background: #fafbfd; }
.data-table .cell-user { display: flex; align-items: center; gap: 9px; }
.avatar-sm { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; background: #e2e8f0; flex: 0 0 auto; }
.avatar-lg { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; background: #e2e8f0; }
.vide { text-align: center; color: var(--text-light); padding: 26px 10px !important; }

/* Fenêtre modale (dialog natif) */
dialog.modal { border: none; border-radius: 14px; padding: 0; width: min(720px, calc(100vw - 32px)); box-shadow: var(--shadow-lg); }
dialog.modal::backdrop { background: rgba(13,32,54,.55); }
dialog.modal .modal-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
dialog.modal .modal-head h3 { margin: 0; font-size: 17px; color: var(--primary); }
dialog.modal .modal-close { background: none; border: none; font-size: 22px; cursor: pointer; color: var(--text-light); line-height: 1; }
dialog.modal .modal-body { padding: 18px 20px 20px; max-height: 75vh; overflow-y: auto; }

.fiche-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px 18px; margin: 12px 0 4px; }
.fiche-grid div { font-size: 14px; }
.fiche-grid span { display: block; font-size: 11.5px; text-transform: uppercase; letter-spacing: .04em; color: var(--text-light); font-weight: 700; }
.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.kpi { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.kpi b { display: block; font-size: 21px; color: var(--primary); }
.kpi small { color: var(--text-light); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: .03em; }

/* Liste de sélection avec recherche (locataire, vente...) */
.combo { position: relative; }
.combo-results { position: absolute; z-index: 30; left: 0; right: 0; top: 100%; background: #fff; border: 1px solid var(--border); border-radius: 8px; box-shadow: var(--shadow-md); max-height: 260px; overflow-y: auto; display: none; }
.combo-results.ouvert { display: block; }
.combo-results div { padding: 9px 12px; cursor: pointer; font-size: 14px; border-bottom: 1px solid #f1f4f8; }
.combo-results div:hover, .combo-results div.actif { background: rgba(30,74,117,.08); }
.combo-results .aucun { color: var(--text-light); cursor: default; }
.combo-choix { margin-top: 6px; font-size: 13px; color: var(--success); font-weight: 600; }

@media (max-width: 760px) {
    .adm-wrap { padding: 16px 14px 40px; }
    .adm-topbar-inner { padding: 10px 14px; }
}