@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root {
    --primary-color: #0284c7;
    --primary-hover: #0369a1;
    --primary-light: #e0f2fe;
    --secondary-color: #0f172a;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --purple-color: #8b5cf6;
    --bg-body: #f1f5f9;
    --bg-sidebar: #0f172a;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --card-bg: rgba(255, 255, 255, 0.92);
    --glass-border: rgba(255, 255, 255, 0.7);
    --glass-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.06), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --topbar-height: 72px;
    --sidebar-width: 280px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
    letter-spacing: -0.01em;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Glassmorphism Styling */
.card-glass {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
}

.card-glass:hover {
    box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.08);
    border-color: rgba(255, 255, 255, 0.95);
}

/* Modal Stacking & Z-Index Fix */
.modal-backdrop {
    z-index: 1050 !important;
}
.modal {
    z-index: 1055 !important;
}

/* Gradients */
.bg-gradient-primary { background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%) !important; }
.bg-gradient-success { background: linear-gradient(135deg, #10b981 0%, #047857 100%) !important; }
.bg-gradient-warning { background: linear-gradient(135deg, #f59e0b 0%, #b45309 100%) !important; }
.bg-gradient-danger  { background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%) !important; }
.bg-gradient-info    { background: linear-gradient(135deg, #06b6d4 0%, #0e7490 100%) !important; }
.bg-gradient-purple  { background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%) !important; }

/* Sidebar Styling */
#sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    color: #94a3b8;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 1045;
    transition: var(--transition);
    overflow-y: auto;
    box-shadow: 6px 0 30px rgba(0, 0, 0, 0.15);
}

#sidebar .brand-header {
    height: var(--topbar-height);
    padding: 0 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
}

#sidebar .brand-logo {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, #06b6d4, #0284c7);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.35rem;
    box-shadow: 0 8px 20px rgba(6, 182, 212, 0.35);
}

.nav-label {
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #64748b;
    padding: 1.35rem 1.5rem 0.5rem;
}

#sidebar .nav-link {
    color: #94a3b8;
    padding: 0.8rem 1.25rem;
    margin: 0.25rem 0.8rem;
    border-radius: 12px;
    font-weight: 500;
    font-size: 0.92rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    transition: var(--transition);
}

#sidebar .nav-link i {
    font-size: 1.15rem;
    width: 24px;
    text-align: center;
    transition: var(--transition);
}

#sidebar .nav-link:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(4px);
}

#sidebar .nav-link:hover i {
    color: #38bdf8;
    transform: scale(1.1);
}

#sidebar .nav-link.active {
    color: #ffffff;
    background: linear-gradient(90deg, #0284c7 0%, #0369a1 100%);
    font-weight: 600;
    box-shadow: 0 8px 20px -4px rgba(2, 132, 199, 0.45);
}

/* Sidebar Overlay for Mobile */
#sidebarOverlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1040;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#sidebarOverlay.show {
    display: block;
    opacity: 1;
}

/* Main Content Layout */
#content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    width: calc(100% - var(--sidebar-width));
}

/* Topbar Header (PERMANENT FIXED HEIGHT) */
.topbar {
    height: var(--topbar-height);
    min-height: var(--topbar-height);
    max-height: var(--topbar-height);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 1030;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.avatar-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0284c7, #06b6d4);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
    transition: var(--transition);
}

.avatar-circle:hover {
    transform: scale(1.05);
}

/* Page Container (CENTERED & BALANCED CONTENT) */
.page-container {
    padding: 2.25rem 2rem;
    flex: 1;
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
}

/* Stat Cards */
.stat-card {
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 35px -8px rgba(15, 23, 42, 0.1);
}

.stat-icon-wrapper {
    width: 54px;
    height: 54px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.45rem;
    box-shadow: 0 8px 20px -4px rgba(0, 0, 0, 0.18);
}

/* Buttons */
.btn {
    border-radius: 10px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
}

.btn-primary {
    background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%);
    border: none;
    padding: 0.625rem 1.35rem;
    box-shadow: 0 6px 20px -4px rgba(2, 132, 199, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0369a1 0%, #075985 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -4px rgba(2, 132, 199, 0.5);
}

/* Custom Table */
.table-custom {
    margin-bottom: 0;
}

.table-custom th {
    background: #f8fafc;
    color: #475569;
    font-size: 0.76rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 1.1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.table-custom td {
    padding: 1.1rem 1.25rem;
    vertical-align: middle;
    color: var(--text-primary);
    border-bottom: 1px solid #f1f5f9;
    font-size: 0.9rem;
    transition: var(--transition);
}

.table-custom tbody tr:hover td {
    background-color: rgba(224, 242, 254, 0.35);
}

/* Badges */
.badge {
    font-weight: 600;
    letter-spacing: 0.2px;
}

.badge-soft-primary { background: #e0f2fe; color: #0284c7; padding: 0.45em 0.85em; border-radius: 8px; }
.badge-soft-success { background: #d1fae5; color: #059669; padding: 0.45em 0.85em; border-radius: 8px; }
.badge-soft-warning { background: #fef3c7; color: #d97706; padding: 0.45em 0.85em; border-radius: 8px; }
.badge-soft-danger  { background: #fee2e2; color: #dc2626; padding: 0.45em 0.85em; border-radius: 8px; }
.badge-soft-info    { background: #cff4fc; color: #0891b2; padding: 0.45em 0.85em; border-radius: 8px; }

/* Auth Styling */
.auth-bg {
    min-height: 100vh;
    background: radial-gradient(circle at 10% 20%, #0f172a 0%, #1e293b 50%, #0284c7 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-radius: var(--radius-xl);
    box-shadow: 0 25px 60px -10px rgba(0, 0, 0, 0.3);
    padding: 2.75rem;
    border: 1px solid rgba(255, 255, 255, 0.6);
}

/* Responsive Styles */
@media (max-width: 991.98px) {
    #sidebar {
        margin-left: calc(-1 * var(--sidebar-width));
    }
    #sidebar.show {
        margin-left: 0;
    }
    #content {
        margin-left: 0;
        width: 100%;
    }
    .page-container {
        padding: 1.25rem 1rem;
    }
    .topbar {
        padding: 0 1.25rem;
    }
}

@media (max-width: 575.98px) {
    .page-container {
        padding: 1rem 0.75rem;
    }
    .auth-card {
        padding: 1.75rem;
    }
}