:root {
    --primary: #1a56db;
    --primary-dark: #1e40af;
    --primary-light: #dbeafe;
    --success: #059669;
    --success-light: #d1fae5;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --info: #0ea5e9;
    --info-light: #e0f2fe;
    --bg: #f1f5f9;
    --sidebar: #0f172a;
    --sidebar-hover: #1e293b;
    --radius: 12px;
    --radius-lg: 16px;
    --shadow: 0 2px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --transition: all 0.25s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Cairo", sans-serif;
}

body {
    background: var(--bg);
    font-size: 14px;
    line-height: 1.6;
}

/* ===== SIDEBAR ===== */
.sidebar {
    position: fixed;
    right: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: var(--sidebar);
    color: #fff;
    padding: 0;
    z-index: 1050;
    transition: transform 0.3s ease;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: #fff;
}

.logo i {
    font-size: 28px;
    color: #60a5fa;
}

.sidebar-close {
    background: none;
    border: none;
    color: #94a3b8;
    font-size: 22px;
    padding: 4px 8px;
    cursor: pointer;
}

.user-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: rgba(255,255,255,0.05);
    margin: 12px 16px;
    border-radius: var(--radius);
}

.avatar {
    font-size: 36px;
    color: #94a3b8;
}

.user-box strong {
    font-size: 15px;
    display: block;
}

.user-box small {
    font-size: 12px;
    opacity: 0.7;
    display: block;
}

.menu {
    list-style: none;
    padding: 8px 12px;
    flex: 1;
}

.menu li {
    margin-bottom: 2px;
}

.menu a {
    color: #cbd5e1;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius);
    transition: var(--transition);
    font-size: 14px;
    font-weight: 500;
}

.menu a:hover {
    background: var(--sidebar-hover);
    color: #fff;
}

.menu a i {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    margin-right: 280px;
    min-height: 100vh;
}

.topbar {
    background: #fff;
    padding: 10px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    min-height: 64px;
    border-bottom: 1px solid #e2e8f0;
}

.topbar-title {
    flex: 1;
}

.topbar-title h4 {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
    color: #1e293b;
}

.topbar-title small {
    font-size: 12px;
    color: #64748b;
}

/* ===== PUBLIC LAYOUT ===== */
.public-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--bg);
}

/* ===== CARDS ===== */
.card {
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid #e2e8f0;
    padding: 12px 20px;
    font-weight: 700;
}

.card-body {
    padding: 16px 20px;
}

/* ===== STAT CARDS ===== */
.stat-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 16px 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.stat-card i {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 6px;
}

.stat-card.success i { color: var(--success); }
.stat-card.warning i { color: var(--warning); }
.stat-card.info i { color: var(--info); }

.stat-card h2 {
    font-size: 28px;
    font-weight: 800;
    margin: 2px 0;
    color: #1e293b;
}

.stat-card span {
    font-size: 13px;
    color: #64748b;
    font-weight: 500;
}

/* ===== TABLES ===== */
.table {
    margin-bottom: 0;
    font-size: 13px;
}

.table th {
    background: #f8fafc;
    font-weight: 700;
    color: #475569;
    border-bottom: 2px solid #e2e8f0;
    padding: 10px 12px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table td {
    padding: 10px 12px;
    vertical-align: middle;
    border-bottom: 1px solid #f1f5f9;
}

.table-hover tbody tr:hover {
    background: #f8fafc;
}

/* ===== FORMS ===== */
.form-control,
.form-select {
    border-radius: var(--radius);
    border: 1.5px solid #e2e8f0;
    min-height: 42px;
    font-size: 14px;
    transition: var(--transition);
    background: #fff;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.12);
}

.form-label {
    font-weight: 600;
    font-size: 13px;
    color: #334155;
    margin-bottom: 4px;
}

.input-group-text {
    border-radius: var(--radius) 0 0 var(--radius);
    background: #f8fafc;
    border: 1.5px solid #e2e8f0;
    font-size: 14px;
}

/* ===== BUTTONS ===== */
.btn {
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 13px;
    padding: 8px 18px;
    transition: var(--transition);
}

.btn-sm {
    padding: 4px 12px;
    font-size: 12px;
}

.btn-primary {
    background: var(--primary);
    border: none;
}
.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-success {
    background: var(--success);
    border: none;
}
.btn-success:hover {
    background: #047857;
}

.btn-danger {
    background: var(--danger);
    border: none;
}
.btn-danger:hover {
    background: #b91c1c;
}

.btn-warning {
    background: var(--warning);
    border: none;
    color: #fff;
}
.btn-warning:hover {
    background: #b45309;
    color: #fff;
}

.btn-outline-primary {
    border-color: var(--primary);
    color: var(--primary);
}
.btn-outline-primary:hover {
    background: var(--primary);
    color: #fff;
}

/* ===== BADGES ===== */
.badge {
    padding: 5px 12px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 20px;
}

/* ===== ALERTS ===== */
.alert {
    border: none;
    border-radius: var(--radius);
    font-size: 13px;
    padding: 10px 16px;
}
.alert-success { background: var(--success-light); color: #065f46; }
.alert-danger { background: var(--danger-light); color: #991b1b; }
.alert-warning { background: var(--warning-light); color: #78350f; }
.alert-info { background: var(--info-light); color: #075985; }

/* ===== HERO SECTION (public) ===== */
.hero-section {
    background: linear-gradient(135deg, #1a56db, #1e40af);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    margin-bottom: 20px;
}

.hero-section h1 {
    font-size: 32px;
    font-weight: 800;
}

.hero-section .subtitle {
    font-size: 16px;
    opacity: 0.9;
}

/* ===== FEATURE BOX ===== */
.feature-box {
    text-align: center;
    padding: 16px 12px;
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    height: 100%;
    transition: var(--transition);
}

.feature-box:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.feature-box i {
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 6px;
}

.feature-box h6 {
    font-weight: 700;
    font-size: 13px;
    margin: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .sidebar {
        width: 280px;
        transform: translateX(100%);
    }
    .sidebar.show {
        transform: translateX(0);
    }
    .main-content {
        margin-right: 0;
    }
    .topbar {
        padding: 8px 12px;
        min-height: 56px;
    }
    .topbar-title h4 {
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 13px;
    }
    .card-body {
        padding: 12px 14px;
    }
    .card-header {
        padding: 10px 14px;
        font-size: 14px;
    }
    .stat-card {
        padding: 12px 14px;
    }
    .stat-card h2 {
        font-size: 22px;
    }
    .stat-card i {
        font-size: 24px;
    }
    .table {
        font-size: 12px;
    }
    .table th,
    .table td {
        padding: 6px 8px;
    }
    .form-control,
    .form-select {
        min-height: 38px;
        font-size: 13px;
    }
    .btn {
        font-size: 12px;
        padding: 6px 14px;
    }
    .hero-section {
        padding: 24px 16px;
    }
    .hero-section h1 {
        font-size: 24px;
    }
    .container-fluid {
        padding-left: 10px;
        padding-right: 10px;
    }
    .row {
        margin-left: -6px;
        margin-right: -6px;
    }
    .row > * {
        padding-left: 6px;
        padding-right: 6px;
    }
    .d-flex.gap-2 {
        gap: 6px !important;
    }
    .modal-body {
        padding: 14px 16px;
    }
    .modal-footer {
        padding: 10px 16px;
    }
}

@media (max-width: 480px) {
    .hero-section h1 {
        font-size: 20px;
    }
    .stat-card h2 {
        font-size: 18px;
    }
    .stat-card span {
        font-size: 11px;
    }
    .badge {
        font-size: 10px;
        padding: 3px 10px;
    }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 5px;
}
::-webkit-scrollbar-track {
    background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 20px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* ===== CUSTOM IMPROVEMENTS ===== */
.table tr[onclick] {
    cursor: pointer;
}
.table tr[onclick]:hover td {
    background: #e8f0fe;
}

.modal-content {
    border-radius: var(--radius-lg);
}

.modal-header {
    border-bottom: 1px solid #e2e8f0;
}

.modal-footer {
    border-top: 1px solid #e2e8f0;
}

.card-header .d-flex {
    gap: 6px;
}

.card-header input[type="text"],
.card-header select {
    min-height: 32px;
    font-size: 12px;
}

.stat-card i {
    display: block;
}