/* =============================================
   GESTION PRO - Feuille de style principale
   ============================================= */

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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #eff6ff;
    --secondary: #64748b;
    --success: #16a34a;
    --success-light: #f0fdf4;
    --danger: #dc2626;
    --danger-light: #fef2f2;
    --warning: #d97706;
    --warning-light: #fffbeb;
    --dark: #1e293b;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --sidebar-w: 200px;
    --navbar-h: 52px;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 14px;
    color: var(--dark);
    background: var(--gray-100);
    min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- NAVBAR ---- */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: var(--navbar-h);
    background: var(--dark);
    display: flex; align-items: center; gap: 0;
    padding: 0 1rem;
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    display: flex; align-items: center; gap: 8px;
    color: white; font-size: 16px; font-weight: 700;
    min-width: var(--sidebar-w);
    padding-right: 1rem;
}
.navbar-brand i { color: var(--primary); font-size: 20px; }

.navbar-menu {
    display: flex; align-items: center; gap: 2px;
    flex: 1;
}

.navbar-menu > a, .navbar-menu > .dropdown > a {
    display: flex; align-items: center; gap: 5px;
    color: var(--gray-300); font-size: 13px; font-weight: 500;
    padding: 6px 10px; border-radius: 6px;
    transition: all .15s;
    white-space: nowrap;
}
.navbar-menu > a:hover,
.navbar-menu > .dropdown > a:hover,
.navbar-menu > a.active,
.navbar-menu > .dropdown > a.active {
    background: rgba(255,255,255,.1); color: white; text-decoration: none;
}

/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu {
    display: none;
    position: absolute; top: 100%; left: 0; z-index: 1050;
    background: white; border: 1px solid var(--gray-200);
    border-radius: var(--radius); box-shadow: var(--shadow-md);
    min-width: 220px; padding: 4px 0;
    margin-top: 0;
}
.dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 8px;
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown:hover::after { display: block; }
.dropdown-menu a {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 14px; color: var(--gray-700); font-size: 13px;
    transition: background .1s;
}
.dropdown-menu a:hover { background: var(--gray-50); color: var(--primary); text-decoration: none; }
.dropdown-menu a i { width: 16px; color: var(--gray-400); }

.navbar-user {
    display: flex; align-items: center; gap: 4px;
    color: var(--gray-300); font-size: 13px;
    margin-left: auto;
}
.btn-logout {
    color: var(--gray-400); font-size: 16px;
    padding: 6px; border-radius: 6px;
    transition: all .15s;
}
.btn-logout:hover { color: white; background: rgba(220,38,38,.3); text-decoration: none; }

/* ---- LAYOUT ---- */
.wrapper {
    display: flex;
    margin-top: var(--navbar-h);
    min-height: calc(100vh - var(--navbar-h) - 36px);
}

/* ---- SIDEBAR ---- */
.sidebar {
    width: var(--sidebar-w);
    background: white;
    border-right: 1px solid var(--gray-200);
    padding: 1rem 0;
    position: fixed;
    top: var(--navbar-h); bottom: 36px;
    overflow-y: auto;
}

.sidebar-section { margin-bottom: 1.5rem; }
.sidebar-title {
    font-size: 11px; font-weight: 700; text-transform: uppercase;
    letter-spacing: .5px; color: var(--gray-400);
    padding: 0 14px 6px;
}
.sidebar-link {
    display: flex; align-items: center; gap: 8px;
    padding: 7px 14px; color: var(--gray-600); font-size: 13px;
    transition: all .1s; border-left: 3px solid transparent;
}
.sidebar-link:hover { background: var(--primary-light); color: var(--primary); text-decoration: none; border-left-color: var(--primary); }
.sidebar-link i { width: 16px; font-size: 13px; }
.sidebar-disabled { color: var(--gray-300) !important; cursor: not-allowed; font-style: italic; }
.sidebar-disabled:hover { background: none !important; color: var(--gray-300) !important; border-left-color: transparent !important; }

/* ---- CONTENT ---- */
.content {
    margin-left: var(--sidebar-w);
    flex: 1;
    padding: 1.5rem;
    max-width: 100%;
}

/* ---- PAGE HEADER ---- */
.page-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1.5rem;
}
.page-header h1 {
    font-size: 20px; font-weight: 700; color: var(--dark);
    display: flex; align-items: center; gap: 4px;
}
.page-header h1 i { color: var(--primary); }

/* ---- CARDS ---- */
.card {
    background: white; border: 1px solid var(--gray-200);
    border-radius: var(--radius); box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}
.card-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--gray-200);
    display: flex; align-items: center; justify-content: space-between;
    background: var(--gray-50);
    border-radius: var(--radius) var(--radius) 0 0;
}
.card-header h2 {
    font-size: 14px; font-weight: 600; color: var(--gray-700);
    display: flex; align-items: center; gap: 8px;
}
.card-body { padding: 20px; }

/* ---- STATS CARDS ---- */
.stats-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem; margin-bottom: 1.5rem;
}
.stat-card {
    background: white; border: 1px solid var(--gray-200);
    border-radius: var(--radius); padding: 1rem 1.25rem;
    box-shadow: var(--shadow);
}
.stat-label { font-size: 12px; color: var(--gray-500); margin-bottom: 6px; }
.stat-value { font-size: 24px; font-weight: 700; color: var(--dark); }
.stat-icon { font-size: 28px; float: right; margin-top: -4px; opacity: .15; }

/* ---- TABLE ---- */
.table-wrapper { overflow-x: auto; }
table.datatable {
    width: 100%; border-collapse: collapse; font-size: 13px;
}
table.datatable th {
    background: var(--gray-50); padding: 10px 12px;
    text-align: left; font-weight: 600; color: var(--gray-600);
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}
table.datatable td {
    padding: 10px 12px; border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700); vertical-align: middle;
}
table.datatable tr:hover td { background: var(--gray-50); }
table.datatable tr:last-child td { border-bottom: none; }

/* ---- BADGES ---- */
.badge {
    display: inline-flex; align-items: center; gap: 4px;
    font-size: 11px; font-weight: 600; padding: 2px 8px;
    border-radius: 99px;
}
.badge-success { background: var(--success-light); color: var(--success); }
.badge-danger  { background: var(--danger-light);  color: var(--danger); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-gray    { background: var(--gray-100);       color: var(--gray-500); }

/* ---- BOUTONS ---- */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 14px; border-radius: 6px; font-size: 13px; font-weight: 500;
    border: 1px solid transparent; cursor: pointer;
    transition: all .15s; text-decoration: none;
}
.btn:hover { text-decoration: none; filter: brightness(.93); }
.btn-primary { background: var(--primary); color: white; border-color: var(--primary); }
.btn-secondary { background: white; color: var(--gray-700); border-color: var(--gray-300); }
.btn-secondary:hover { background: var(--gray-50); }
.btn-danger { background: var(--danger); color: white; border-color: var(--danger); }
.btn-success { background: var(--success); color: white; border-color: var(--success); }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-icon { padding: 6px; }

.btn-group { display: flex; gap: 6px; flex-wrap: wrap; }

/* ---- FORMULAIRES ---- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1rem; }
.form-full { grid-column: 1 / -1; }

.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label {
    font-size: 12px; font-weight: 600; color: var(--gray-600);
    text-transform: uppercase; letter-spacing: .3px;
}
.form-group input,
.form-group select,
.form-group textarea {
    padding: 8px 10px; border: 1px solid var(--gray-300);
    border-radius: 6px; font-size: 13px; color: var(--dark);
    background: white; transition: border-color .15s;
    font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,.1);
}
.form-group textarea { resize: vertical; min-height: 80px; }
.form-hint { font-size: 11px; color: var(--gray-400); margin-top: 2px; }

/* ---- ONGLETS ---- */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--gray-200); margin-bottom: 1.5rem; }
.tab {
    padding: 10px 18px; font-size: 13px; font-weight: 500;
    color: var(--gray-500); border-bottom: 2px solid transparent;
    cursor: pointer; margin-bottom: -2px; transition: all .15s;
}
.tab:hover { color: var(--primary); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ---- ALERTES ---- */
.alert {
    display: flex; align-items: center; gap: 4px;
    padding: 12px 16px; border-radius: var(--radius);
    margin-bottom: 1rem; font-size: 13px; font-weight: 500;
}
.alert-success { background: var(--success-light); color: var(--success); border: 1px solid #bbf7d0; }
.alert-danger   { background: var(--danger-light);  color: var(--danger);  border: 1px solid #fecaca; }
.alert-warning  { background: var(--warning-light); color: var(--warning); border: 1px solid #fde68a; }

/* ---- RECHERCHE ---- */
.search-bar {
    display: flex; gap: 8px; align-items: center;
    margin-bottom: 1rem;
}
.search-bar input {
    flex: 1; padding: 8px 12px;
    border: 1px solid var(--gray-300); border-radius: 6px;
    font-size: 13px;
}
.search-bar input:focus { outline: none; border-color: var(--primary); }

/* ---- PAGINATION ---- */
.pagination {
    display: flex; align-items: center; gap: 4px;
    justify-content: center; padding: 1rem 0;
}
.pagination a, .pagination span {
    display: inline-flex; align-items: center; justify-content: center;
    width: 32px; height: 32px; border-radius: 6px;
    font-size: 13px; color: var(--gray-600);
    border: 1px solid var(--gray-200);
    transition: all .1s;
}
.pagination a:hover { background: var(--primary-light); color: var(--primary); text-decoration: none; }
.pagination .current { background: var(--primary); color: white; border-color: var(--primary); }

/* ---- FOOTER ---- */
.footer {
    height: 36px; display: flex; align-items: center; justify-content: center;
    background: white; border-top: 1px solid var(--gray-200);
    font-size: 11px; color: var(--gray-400);
}

/* ---- MODAL CONFIRM ---- */
.modal-overlay {
    display: none; position: fixed; inset: 0; z-index: 300;
    background: rgba(0,0,0,.4); align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
    background: white; border-radius: var(--radius); padding: 1.5rem;
    max-width: 420px; width: 90%; box-shadow: var(--shadow-md);
}
.modal h3 { font-size: 16px; margin-bottom: .5rem; }
.modal p { font-size: 13px; color: var(--gray-500); margin-bottom: 1.5rem; }
.modal .btn-group { justify-content: flex-end; }

/* ---- LOGIN PAGE ---- */
.login-page {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--dark) 0%, #1e3a5f 100%);
}
.login-box {
    background: white; border-radius: 12px; padding: 2.5rem;
    width: 360px; box-shadow: 0 20px 60px rgba(0,0,0,.3);
}
.login-logo {
    text-align: center; margin-bottom: 2rem;
    font-size: 22px; font-weight: 700; color: var(--dark);
}
.login-logo i { color: var(--primary); font-size: 36px; display: block; margin-bottom: 8px; }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
    #menu-mobile-btn { display: block !important; }
    .sidebar { display: none; }
    .content { margin-left: 0; }
    .form-grid, .form-grid-3 { grid-template-columns: 1fr; }
    .navbar-menu { display: none; }
}

/* ---- UTILITAIRES ---- */
.text-muted { color: var(--gray-400); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.fw-bold { font-weight: 700; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.d-flex { display: flex; }
.gap-2 { gap: .5rem; }
.align-center { align-items: center; }
.flex-1 { flex: 1; }
.w-100 { width: 100%; }

/* ---- RESPONSIVE MOBILE ---- */
@media (max-width: 768px) {
    .navbar-user { gap: 4px; }
    .navbar-user a { padding: 4px 5px; font-size: 12px; }
    .navbar-user .dropdown-menu { 
        right: -10px; 
        left: auto; 
        min-width: calc(100vw - 20px); 
        max-width: calc(100vw - 20px);
        position: fixed;
        top: 52px;
    }
    .stats-grid { grid-template-columns: 1fr 1fr !important; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 8px; }
    .page-header .btn, .page-header label.btn { width: 100%; text-align: center; }
    .btn-group { flex-wrap: wrap; }
    table { font-size: 12px; }
    .table-wrapper { overflow-x: auto; }
}

@media (max-width: 900px) {
    .navbar-user .hide-mobile { display: none !important; }
}

@media (max-width: 900px) {
    a.hide-mobile { display: none !important; }
}

@media (max-width: 900px) {
    a.hide-mobile { display: none !important; visibility: hidden !important; width: 0 !important; padding: 0 !important; overflow: hidden !important; }
}

@media (max-width: 1024px) {
    .navbar-user { gap: 2px; }
    .navbar-user a { padding: 4px 4px !important; font-size: 11px !important; }
    .navbar-user .dropdown-menu { right: 0; left: auto; }
}

/* Mode comptable - lecture seule */
body.comptable-mode .btn-new,
body.comptable-mode .page-actions .btn-primary {
    display: none !important;
}

/* Lignes devis/factures sur mobile */
@media (max-width: 768px) {
    .table-lignes { display:block; overflow-x:auto; }
    .table-lignes input[name*="ligne_designation"] { min-width:150px; }
    .table-lignes input { font-size:16px !important; }
}

/* Formulaire lignes devis/factures sur mobile */
@media (max-width: 900px) {
    div[style*="grid-template-columns:30px 100px 1fr 80px 70px 80px 70px 80px 30px"] {
        grid-template-columns: 30px 1fr 70px 70px 30px !important;
    }
}

#menu-mobile { max-width: 100vw !important; overflow-x: hidden !important; }
#menu-mobile a { word-break: break-word; }

@media (max-width: 768px) {
    .navbar { padding: 0 8px !important; }
    .navbar-user { gap: 2px !important; }
}