:root {
    --primary-color: #4361ee;
    --primary-hover: #3a0ca3;
    --secondary-color: #f72585;
    --bg-color: #f8f9fa;
    --text-color: #2b2d42;
    --card-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.5);
    --shadow-soft: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    --border-radius: 16px;
    --nav-height: 70px;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    color: var(--text-color);
    min-height: 100vh;
    padding-bottom: 2rem;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: #1a1a2e;
}

/* Glassmorphism Card */
.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--border-radius);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-soft);
}

.auth-card {
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--primary-color) !important;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-link {
    font-weight: 500;
    color: #4a5568 !important;
    transition: color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-color) !important;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary-color);
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(67, 97, 238, 0.4);
}

.btn-secondary {
    background-color: white;
    color: var(--text-color);
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
}

.btn-secondary:hover {
    background-color: #f8fafc;
    border-color: #cbd5e1;
    color: var(--primary-color);
}

/* Forms */
.form-control, .form-select {
    border-radius: 12px;
    padding: 0.75rem 1rem;
    border: 1px solid #e2e8f0;
    background-color: rgba(255, 255, 255, 0.9);
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.15);
    border-color: var(--primary-color);
}

/* Dashboard */
.dashboard-stat-card {
    transition: transform 0.3s ease;
}

.dashboard-stat-card:hover {
    transform: translateY(-5px);
}

/* Tables */
.table-modern {
    width: 100%;
    margin-bottom: 0;
}

.table-modern thead th {
    background-color: transparent;
    border-bottom: 2px solid #e2e8f0;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #64748b;
    font-weight: 600;
    padding: 1rem;
}

.table-modern tbody td {
    padding: 1rem;
    vertical-align: middle;
    border-bottom: 1px solid #f1f5f9;
}

/* Status Badges */
.badge-modern {
    padding: 0.5em 1em;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.85em;
}

.badge-success {
    background-color: rgba(34, 197, 94, 0.1);
    color: #16a34a;
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: #d97706;
}

/* Utilities */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.animate-fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}