/* ============================================================
   Mail Technology - Gestion - Styles
   ============================================================ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --primary: #dc2626;
    --primary-dark: #b91c1c;
    --primary-light: #fef2f2;
    --accent: #2563eb;
    --accent-light: #eff6ff;
    --success: #16a34a;
    --success-light: #f0fdf4;
    --warning: #d97706;
    --warning-light: #fffbeb;
    --danger: #dc2626;
    --danger-light: #fef2f2;

    --bg: #f8fafc;
    --surface: #ffffff;
    --surface-2: #f1f5f9;
    --border: #e2e8f0;
    --border-strong: #cbd5e1;

    --text: #0f172a;
    --text-2: #475569;
    --text-3: #94a3b8;

    --sidebar-w: 240px;
    --topbar-h: 64px;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -1px rgba(0,0,0,.05);
}

body { font-family: 'Segoe UI', system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.6; }

/* ---- Layout ---- */
.app-layout { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-w);
    background: var(--surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    overflow-y: auto;
}

.main-area {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ---- Sidebar Logo ---- */
.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px 16px;
    border-bottom: 1px solid var(--border);
}
.logo-text { display: flex; flex-direction: column; }
.logo-name { font-size: 14px; font-weight: 700; color: var(--text); line-height: 1.2; }
.logo-sub { font-size: 11px; color: var(--text-3); }

/* ---- Sidebar Nav ---- */
.sidebar-nav { flex: 1; padding: 12px 8px; }
.nav-group { margin-bottom: 24px; }
.nav-group-label { display: block; font-size: 10px; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .08em; padding: 0 8px; margin-bottom: 6px; }
.nav-link {
    display: flex; align-items: center; gap: 10px;
    padding: 8px 10px; border-radius: var(--radius);
    color: var(--text-2); text-decoration: none;
    font-size: 13.5px; transition: all .15s;
    margin-bottom: 2px;
}
.nav-link i { width: 18px; text-align: center; font-size: 14px; }
.nav-link:hover { background: var(--surface-2); color: var(--text); }
.nav-link.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
.nav-link.active i { color: var(--primary); }

/* ---- Sidebar User ---- */
.sidebar-user {
    display: flex; align-items: center; gap: 10px;
    padding: 14px 16px; border-top: 1px solid var(--border);
}
.user-avatar {
    width: 34px; height: 34px; border-radius: 50%;
    background: var(--primary-light); color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; flex-shrink: 0;
}
.user-info { flex: 1; overflow: hidden; }
.user-name { display: block; font-size: 13px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { display: block; font-size: 11px; color: var(--text-3); text-transform: capitalize; }
.logout-btn { color: var(--text-3); transition: color .15s; text-decoration: none; padding: 4px; }
.logout-btn:hover { color: var(--danger); }

/* ---- Topbar ---- */
.topbar {
    height: var(--topbar-h);
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 16px;
    padding: 0 24px;
    position: sticky; top: 0; z-index: 50;
}
.topbar h1 { font-size: 18px; font-weight: 700; color: var(--text); }
.topbar-title { flex: 1; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.topbar-date { font-size: 12px; color: var(--text-3); display: flex; align-items: center; gap: 6px; }
.menu-toggle { display: none; background: none; border: none; cursor: pointer; color: var(--text-2); font-size: 18px; padding: 4px; }

/* ---- Page Content ---- */
.page-content { padding: 24px; }

/* ---- Cards ---- */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.card-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}
.card-title { font-size: 15px; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 8px; }
.card-title i { color: var(--primary); font-size: 15px; }
.card-body { padding: 20px; }

/* ---- Metrics Grid ---- */
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.metric-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius-lg); padding: 20px;
    box-shadow: var(--shadow);
}
.metric-icon { width: 42px; height: 42px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; margin-bottom: 12px; }
.metric-icon.red { background: var(--primary-light); color: var(--primary); }
.metric-icon.blue { background: var(--accent-light); color: var(--accent); }
.metric-icon.green { background: var(--success-light); color: var(--success); }
.metric-icon.amber { background: var(--warning-light); color: var(--warning); }
.metric-label { font-size: 12px; color: var(--text-3); margin-bottom: 4px; font-weight: 500; }
.metric-value { font-size: 24px; font-weight: 700; color: var(--text); line-height: 1.2; }
.metric-sub { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.metric-trend { font-size: 12px; margin-top: 4px; display: flex; align-items: center; gap: 4px; }
.metric-trend.up { color: var(--success); }
.metric-trend.down { color: var(--danger); }

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
thead th { text-align: left; font-size: 12px; font-weight: 600; color: var(--text-3); text-transform: uppercase; letter-spacing: .05em; padding: 12px 16px; border-bottom: 1px solid var(--border); white-space: nowrap; background: var(--surface-2); }
tbody td { padding: 13px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--surface-2); }

/* ---- Badges ---- */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 20px; font-size: 11.5px; font-weight: 500; }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-accent { background: var(--accent-light); color: var(--accent); }
.badge-gray { background: var(--surface-2); color: var(--text-2); }

/* ---- Buttons ---- */
.btn { display: inline-flex; align-items: center; gap: 7px; padding: 8px 16px; border-radius: var(--radius); font-size: 13.5px; font-weight: 500; cursor: pointer; text-decoration: none; transition: all .15s; border: 1px solid transparent; font-family: inherit; }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-secondary { background: var(--surface); color: var(--text-2); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--surface-2); color: var(--text); }
.btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-accent:hover { background: #1d4ed8; }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #15803d; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-icon { width: 32px; height: 32px; padding: 0; justify-content: center; }

/* ---- Forms ---- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full { grid-column: 1 / -1; }
.form-label { font-size: 12.5px; font-weight: 600; color: var(--text-2); }
.form-control {
    padding: 9px 12px; border: 1px solid var(--border-strong);
    border-radius: var(--radius); font-size: 13.5px; font-family: inherit;
    color: var(--text); background: var(--surface);
    transition: border-color .15s, box-shadow .15s; outline: none;
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(220,38,38,.08); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

/* ---- Alerts ---- */
.alert { display: flex; align-items: flex-start; gap: 10px; padding: 12px 16px; border-radius: var(--radius); font-size: 13.5px; margin-bottom: 20px; }
.alert i { margin-top: 1px; flex-shrink: 0; }
.alert-warning { background: var(--warning-light); color: #92400e; border: 1px solid #fcd34d; }
.alert-danger { background: var(--danger-light); color: var(--primary-dark); border: 1px solid #fca5a5; }
.alert-success { background: var(--success-light); color: #14532d; border: 1px solid #86efac; }
.alert-info { background: var(--accent-light); color: #1e3a8a; border: 1px solid #93c5fd; }

/* ---- Progress bars ---- */
.progress { height: 6px; background: var(--surface-2); border-radius: 3px; overflow: hidden; }
.progress-bar { height: 100%; border-radius: 3px; transition: width .3s; }
.progress-bar.blue { background: var(--accent); }
.progress-bar.green { background: var(--success); }
.progress-bar.amber { background: var(--warning); }
.progress-bar.red { background: var(--danger); }

/* ---- Stock indicators ---- */
.stock-level { display: flex; align-items: center; gap: 8px; }
.stock-level .progress { flex: 1; min-width: 80px; }

/* ---- Page header ---- */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.page-header-title { font-size: 20px; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 10px; }
.page-header-title i { color: var(--primary); font-size: 18px; }

/* ---- Grid layouts ---- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* ---- Search bar ---- */
.search-bar { display: flex; align-items: center; gap: 8px; background: var(--surface); border: 1px solid var(--border-strong); border-radius: var(--radius); padding: 7px 12px; min-width: 240px; }
.search-bar i { color: var(--text-3); font-size: 14px; }
.search-bar input { border: none; background: none; outline: none; font-size: 13.5px; color: var(--text); font-family: inherit; flex: 1; }

/* ---- Filter tags ---- */
.filter-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.filter-tag { padding: 5px 14px; border-radius: 20px; font-size: 12.5px; cursor: pointer; border: 1px solid var(--border-strong); background: var(--surface); color: var(--text-2); text-decoration: none; transition: all .15s; }
.filter-tag:hover, .filter-tag.active { background: var(--primary-light); color: var(--primary); border-color: #fca5a5; font-weight: 500; }

/* ---- Modal ---- */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 200; align-items: center; justify-content: center; }
.modal-overlay.open { display: flex; }
.modal { background: var(--surface); border-radius: 16px; padding: 28px; width: 100%; max-width: 580px; box-shadow: 0 20px 60px rgba(0,0,0,.15); max-height: 90vh; overflow-y: auto; }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.modal-title { font-size: 17px; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; }
.modal-close { background: none; border: none; cursor: pointer; color: var(--text-3); font-size: 18px; padding: 4px; border-radius: var(--radius); }
.modal-close:hover { color: var(--danger); background: var(--danger-light); }
.modal-footer { display: flex; gap: 10px; justify-content: flex-end; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); }

/* ---- Login page ---- */
.login-page { min-height: 100vh; background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); display: flex; align-items: center; justify-content: center; }
.login-card { background: var(--surface); border-radius: 20px; padding: 40px; width: 100%; max-width: 420px; box-shadow: 0 25px 50px rgba(0,0,0,.25); }
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo svg { margin-bottom: 12px; }
.login-logo h1 { font-size: 22px; font-weight: 800; color: var(--text); }
.login-logo p { font-size: 13px; color: var(--text-3); }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
    .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); transition: transform .25s; }
    .sidebar.open { transform: translateX(0); }
    .main-area { margin-left: 0; }
    .menu-toggle { display: block; }
    .metrics-grid { grid-template-columns: 1fr 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .page-content { padding: 16px; }
    .topbar { padding: 0 16px; }
}
@media (max-width: 480px) {
    .metrics-grid { grid-template-columns: 1fr; }
}

/* ---- Rôles utilisateurs ---- */
.role-admin    { color: var(--primary) !important; }
.role-vendeur  { color: var(--accent) !important; }
.role-formateur{ color: var(--success) !important; }

.role-badge-admin     { background:#fef2f2; color:#dc2626; }
.role-badge-vendeur   { background:#eff6ff; color:#2563eb; }
.role-badge-formateur { background:#f0fdf4; color:#16a34a; }

/* ---- Product image preview ---- */
.img-preview { width:100%; max-width:200px; height:140px; object-fit:cover; border-radius:var(--radius); border:1px solid var(--border); display:block; margin-top:8px; }
.img-placeholder { width:100%; max-width:200px; height:140px; border-radius:var(--radius); border:2px dashed var(--border-strong); display:flex; flex-direction:column; align-items:center; justify-content:center; color:var(--text-3); font-size:13px; gap:8px; cursor:pointer; transition:all .15s; background:var(--surface-2); }
.img-placeholder:hover { border-color:var(--primary); color:var(--primary); background:var(--primary-light); }
.img-placeholder i { font-size:28px; }
.product-thumb { width:48px; height:48px; object-fit:cover; border-radius:var(--radius); border:1px solid var(--border); }
.product-thumb-placeholder { width:48px; height:48px; border-radius:var(--radius); background:var(--surface-2); display:flex; align-items:center; justify-content:center; color:var(--text-3); font-size:18px; border:1px solid var(--border); }

/* ---- Utilisateurs ---- */
.user-card { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:24px; text-align:center; box-shadow:var(--shadow); transition:all .15s; }
.user-card:hover { box-shadow:var(--shadow-md); transform:translateY(-2px); }
.user-card-avatar { width:64px; height:64px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:26px; margin:0 auto 14px; }
.avatar-admin     { background:var(--primary-light); color:var(--primary); }
.avatar-vendeur   { background:var(--accent-light); color:var(--accent); }
.avatar-formateur { background:var(--success-light); color:var(--success); }
.user-card h3 { font-size:15px; font-weight:700; color:var(--text); margin-bottom:4px; }
.user-card .role-label { font-size:12px; font-weight:600; padding:3px 10px; border-radius:20px; display:inline-block; margin-bottom:12px; }
.user-card .user-meta { font-size:12.5px; color:var(--text-3); line-height:1.8; }

/* ---- Attestation print ---- */
@media print {
    .sidebar, .topbar, .topbar-actions, .page-header, .btn, .no-print { display:none !important; }
    .main-area { margin-left:0 !important; }
}

/* ---- Category pills ---- */
.cat-pill { display:inline-flex; align-items:center; gap:6px; padding:4px 12px; border-radius:20px; font-size:12px; background:var(--surface-2); border:1px solid var(--border); color:var(--text-2); }