@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;600;700;800&display=swap');

:root {
    --primary: #c9a66b; /* Gold / Premium touch */
    --secondary: #f4ede2;
    --accent: #2e3b4e;
    --background: #fdfdfd;
    --surface: rgba(255, 255, 255, 0.75);
    --surface-border: rgba(255, 255, 255, 0.5);
    --text-main: #2d3436;
    --text-muted: #636e72;
    --shadow-soft: 0 8px 32px 0 rgba(31, 38, 135, 0.05);
    --glass-blur: blur(12px);
    --transition: all 0.3s ease;
}

html { font-size: 14px; position: relative; min-height: 100%; }
@media (min-width: 768px) { html { font-size: 16px; } }

body {
    font-family: 'Cairo', sans-serif;
    background-color: var(--background);
    color: var(--text-main);
    background-image: url('data:image/svg+xml;utf8,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><path d="M50 0L100 50L50 100L0 50Z" fill="rgba(201,166,107,0.02)"/></svg>');
    background-attachment: fixed;
    background-size: cover;
    margin-bottom: 60px;
}

/* Glassmorphism Classes */
.glass-card {
    background: var(--surface);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--surface-border);
    border-radius: 16px;
    box-shadow: var(--shadow-soft);
    transition: var(--transition);
}
.glass-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.08);
}

/* Sidebar Specific */
.sidebar {
    width: 260px;
    height: 100vh;
    position: fixed;
    right: 0;
    top: 0;
    z-index: 1000;
    padding: 20px 0;
    overflow-y: auto;
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    color: #f8fafc;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: -4px 0 15px rgba(0, 0, 0, 0.1);
}
.sidebar-logo {
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 20px;
}
.sidebar-logo h3 {
    color: var(--primary);
    font-weight: 800;
    letter-spacing: 1px;
}
.sidebar-link {
    display: flex;
    align-items: center;
    padding: 12px 24px;
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border-right: 4px solid transparent;
}
.sidebar-link i {
    font-size: 1.25rem;
    margin-left: 12px;
    color: #94a3b8;
}
.sidebar-link:hover, .sidebar-link.active {
    background: rgba(201, 166, 107, 0.15);
    color: #ffffff;
    border-right-color: var(--primary);
}
.sidebar-link:hover i, .sidebar-link.active i {
    color: var(--primary);
}

/* Main Content */
.main-content {
    margin-right: 260px;
    padding: 30px;
    min-height: 100vh;
}

/* Premium Buttons */
.btn-premium {
    background: linear-gradient(135deg, var(--primary), #a8854a);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 10px 24px;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(201, 166, 107, 0.3);
}
.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(201, 166, 107, 0.4);
    color: white;
}

/* Layout Adjustments */
.table {
    border-radius: 12px;
    overflow: hidden;
}
.table thead th {
    border-bottom: none;
    background: rgba(0,0,0,0.02);
    color: var(--text-muted);
    font-weight: 700;
}
.table tbody td {
    vertical-align: middle;
    border-bottom: 1px solid rgba(0,0,0,0.03);
}

.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid rgba(0,0,0,0.1);
    padding: 10px 15px;
    transition: var(--transition);
}
.form-control:focus, .form-select:focus {
    box-shadow: 0 0 0 0.25rem rgba(201, 166, 107, 0.25);
    border-color: var(--primary);
}