@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;600&display=swap');

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-light: #eff6ff;
    --primary-dark: #1e3a8a;
    
    --success: #059669;
    --success-light: #ecfdf5;
    --warning: #d97706;
    --warning-light: #fffbeb;
    --danger: #dc2626;
    --danger-light: #fef2f2;
    
    --bg-body: #f8fafc;
    --bg-card: #ffffff;
    --border-color: #e2e8f0;
    --border-focus: #93c5fd;
    
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
    --shadow-hover: 0 14px 20px -3px rgba(37, 99, 235, 0.12), 0 4px 6px -4px rgba(37, 99, 235, 0.08);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-body);
    margin: 0;
    padding: 0;
    color: var(--text-main);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
}

/* =============================================================
   NAVBAR & HEADER RESPONSIVE
   ============================================================= */
.navbar {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    position: relative;
    z-index: 100;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 8px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 60px;
    gap: 12px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-main);
    flex-shrink: 0;
    white-space: nowrap;
}

.brand-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #2563eb, #1d4ed8);
    color: #fff;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    box-shadow: 0 4px 8px rgba(37, 99, 235, 0.25);
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    white-space: nowrap;
}

.brand-title {
    font-weight: 800;
    font-size: 1.02rem;
    letter-spacing: -0.3px;
    color: #0f172a;
    line-height: 1.2;
    white-space: nowrap;
}

.brand-subtitle {
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 500;
    line-height: 1.2;
    margin-top: 1px;
    white-space: nowrap;
}

.nav-right-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

nav.nav-menu {
    flex-grow: 1;
    display: flex;
    justify-content: flex-end;
}

.nav-links {
    display: flex;
    gap: 4px;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.nav-item {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 12.5px;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

.nav-item:hover {
    color: var(--primary);
    background: var(--primary-light);
}

.nav-item.active {
    color: #ffffff;
    background: var(--primary);
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25);
}

/* PROFIL PILL */
.user-profile-pill {
    display: flex;
    align-items: center;
    gap: 7px;
    background: #f8fafc;
    border: 1px solid var(--border-color);
    padding: 4px 8px;
    border-radius: 30px;
    flex-shrink: 0;
}

.user-avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    object-fit: cover;
    background: #e2e8f0;
}

.user-info {
    display: flex;
    flex-direction: column;
    text-align: left;
    white-space: nowrap;
}

.user-name {
    font-size: 11.5px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.1;
}

.user-role {
    font-size: 9.5px;
    color: var(--text-muted);
    line-height: 1.1;
}

.btn-logout {
    text-decoration: none;
    font-size: 13px;
    padding: 2px 6px;
    border-radius: 6px;
    color: #dc2626;
    background: #fee2e2;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-logout:hover {
    background: #dc2626;
    color: #ffffff;
}

.mobile-menu-toggle {
    display: none;
    background: #f1f5f9;
    border: 1px solid var(--border-color);
    font-size: 20px;
    color: var(--text-main);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

/* MOBILE QUICK TABS (TOUCH-SWIPEABLE APP BAR) */
.mobile-quick-tabs {
    display: none;
    background: #ffffff;
    border-top: 1px solid #f1f5f9;
    padding: 6px 12px;
    overflow-x: auto;
    white-space: nowrap;
    gap: 6px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.mobile-quick-tabs::-webkit-scrollbar {
    display: none;
}

.quick-tab {
    display: inline-flex;
    align-items: center;
    padding: 5px 10px;
    border-radius: 20px;
    background: #f1f5f9;
    color: #475569;
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    flex-shrink: 0;
    transition: all 0.15s ease;
}

.quick-tab.active {
    background: var(--primary);
    color: #ffffff;
}

/* =============================================================
   MAIN CONTAINER & CARDS
   ============================================================= */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 20px 16px 60px 16px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 24px;
    margin-bottom: 24px;
    position: relative;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 0 0 16px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* HERO BANNER */
.hero-banner {
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #2563eb 100%);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    color: #ffffff;
    margin-bottom: 24px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.hero-banner h1 {
    font-size: 1.85rem;
    font-weight: 800;
    margin: 0 0 10px 0;
    letter-spacing: -0.5px;
    line-height: 1.25;
}

.hero-banner p {
    font-size: 14.5px;
    color: #e0e7ff;
    margin: 0 0 20px 0;
    max-width: 800px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* KPI GRIDS & BOXES */
.kpi-container,
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}

.kpi-box,
.kpi-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    border-left: 4px solid var(--primary);
}

.kpi-box.tax { border-left-color: var(--danger); }
.kpi-box.net { border-left-color: var(--success); }

.kpi-title,
.kpi-label {
    font-size: 11.5px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.kpi-value {
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.kpi-sub {
    font-size: 11.5px;
    color: var(--text-muted);
    margin-top: 6px;
}

.dashboard-charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 16px;
    margin-top: 20px;
    align-items: stretch;
}

@media (max-width: 992px) {
    .dashboard-charts-grid {
        grid-template-columns: 1fr;
    }
}

/* CATEGORY MODULE CARDS (ACCUEIL) */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.category-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 20px;
    text-decoration: none;
    color: var(--text-main);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.category-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.category-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 12px;
}

.category-title {
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 6px;
    color: var(--text-main);
}

.category-desc {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 16px;
}

.category-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--primary);
    border-top: 1px solid #f1f5f9;
    padding-top: 10px;
}

/* =============================================================
   BUTTONS & FORMS
   ============================================================= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s ease;
    touch-action: manipulation;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
}
.btn-primary:hover {
    background: var(--primary-hover);
}

.btn-secondary {
    background: #f1f5f9;
    color: #334155;
    border-color: #cbd5e1;
}
.btn-secondary:hover {
    background: #e2e8f0;
}

.btn-success {
    background: var(--success);
    color: #ffffff;
}
.btn-success:hover {
    background: #047857;
}

.btn-danger {
    background: var(--danger);
    color: #ffffff;
}
.btn-danger:hover {
    background: #b91c1c;
}

.btn-warning {
    background: var(--warning);
    color: #ffffff;
}

/* FORM ELEMENTS */
.form-group {
    margin-bottom: 16px;
}

label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #334155;
    margin-bottom: 6px;
}

input[type="text"],
input[type="number"],
input[type="email"],
input[type="date"],
input[type="tel"],
select,
textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 13.5px;
    color: var(--text-main);
    background: #ffffff;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-row,
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 14px;
}

/* =============================================================
   TABLES
   ============================================================= */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 15px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th, td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: #f8fafc;
    color: var(--text-muted);
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

tbody tr:hover {
    background-color: #f8fafc;
}

/* =============================================================
   BADGES & ALERTS
   ============================================================= */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    border-radius: 9999px;
    font-size: 11px;
    font-weight: 600;
}
.badge-success { background: var(--success-light); color: var(--success); }
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-warning { background: var(--warning-light); color: var(--warning); }
.badge-danger { background: var(--danger-light); color: var(--danger); }

.alert-success {
    background: var(--success-light);
    color: var(--success);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 18px;
    font-weight: 600;
    border: 1px solid #a7f3d0;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
}

.alert-danger {
    background: var(--danger-light);
    color: var(--danger);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    margin-bottom: 18px;
    font-weight: 600;
    border: 1px solid #fecaca;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
}

/* GAUGE PROGRESS BAR */
.progress-bar-container {
    background: #e2e8f0;
    border-radius: 9999px;
    height: 10px;
    overflow: hidden;
    margin: 8px 0;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #2563eb, #059669);
    border-radius: 9999px;
    transition: width 0.5s ease-in-out;
}

/* FOOTER */
.site-footer {
    background: #ffffff;
    border-top: 1px solid var(--border-color);
    padding: 24px 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 40px;
}

/* =============================================================
   MEDIA QUERIES SMARTPHONES & TABLETTES
   ============================================================= */
@media (max-width: 992px) {
    .nav-menu {
        display: none !important;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #ffffff;
        border-bottom: 2px solid var(--border-color);
        padding: 12px 16px;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    }
    .nav-menu.open {
        display: block !important;
    }
    .nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: 6px;
    }
    .nav-item {
        padding: 10px 14px;
        font-size: 14px;
        border-radius: var(--radius-sm);
        width: 100%;
    }
    .mobile-menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .mobile-quick-tabs {
        display: flex;
    }
    .user-info .user-role {
        display: none;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 12px 10px 40px 10px;
    }
    .card {
        padding: 16px;
        border-radius: var(--radius-md);
        margin-bottom: 16px;
    }
    .hero-banner {
        padding: 20px 16px;
        border-radius: var(--radius-md);
    }
    .hero-banner h1 {
        font-size: 1.35rem;
    }
    .hero-banner p {
        font-size: 13px;
    }
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    .hero-actions .btn {
        width: 100%;
        text-align: center;
    }
    .kpi-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .kpi-card {
        padding: 14px;
    }
    .kpi-value {
        font-size: 1.45rem;
    }
    .categories-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .form-row {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    th, td {
        padding: 8px 8px;
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .brand-subtitle {
        display: none;
    }
    .brand-title {
        font-size: 0.95rem;
    }
    .brand-icon {
        width: 32px;
        height: 32px;
        font-size: 15px;
    }
    .user-info {
        display: none;
    }
    .user-profile-pill {
        padding: 2px 4px;
        gap: 4px;
    }
}

/* PRINT STYLES */
@media print {
    body {
        background: #ffffff !important;
        color: #000000 !important;
        padding: 0 !important;
    }
    .navbar, .site-footer, .no-print, .kpi-container, form, button, .categories-grid, .mobile-quick-tabs {
        display: none !important;
    }
    body * {
        visibility: hidden;
    }
    #section-facture-imprimable, #section-facture-imprimable * {
        visibility: visible;
    }
    #section-facture-imprimable {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        margin: 0;
        padding: 20px;
        border: none !important;
        box-shadow: none !important;
    }
}