/* Med-IT Platform - Premium Modern Design */

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #14b8a6;
    --accent-color: #f59e0b;
    --danger-color: #ef4444;
    --success-color: #22c55e;
    --dark: #0f172a;
    --light: #f8fafc;
    --gray: #64748b;
    --white: #ffffff;
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.16);
    --border-radius: 20px;
    --border-radius-sm: 12px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-attachment: fixed;
    color: var(--dark);
    line-height: 1.6;
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(120, 119, 198, 0.3), transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(138, 92, 246, 0.3), transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px) scale(1.02);
}

.card:hover::before {
    opacity: 1;
}

.card-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.card-body {
    padding: 2rem;
}

.navbar {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 1.2rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.navbar-brand {
    font-size: 1.75rem;
    font-weight: 800;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.navbar-nav {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    padding: 0.75rem 1.25rem;
    transition: var(--transition);
    font-weight: 600;
    border-radius: var(--border-radius-sm);
}

.nav-link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.stat-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.stat-card:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition: var(--transition);
}

.stat-card:hover .stat-icon {
    transform: scale(1.15) rotate(8deg);
}

.stat-icon.primary {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.stat-icon.success {
    background: linear-gradient(135deg, #14b8a6, #22c55e);
    color: white;
    box-shadow: 0 8px 24px rgba(20, 184, 166, 0.4);
}

.stat-icon.warning {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
    color: white;
    box-shadow: 0 8px 24px rgba(245, 158, 11, 0.4);
}

.stat-icon.danger {
    background: linear-gradient(135deg, #ef4444, #f87171);
    color: white;
    box-shadow: 0 8px 24px rgba(239, 68, 68, 0.4);
}

.btn {
    padding: 1rem 2rem;
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    transform: translateY(-3px) scale(1.05);
}

.btn-success {
    background: linear-gradient(135deg, #14b8a6, #22c55e);
    color: white;
    box-shadow: 0 8px 24px rgba(20, 184, 166, 0.4);
}

.btn-success:hover {
    transform: translateY(-3px) scale(1.05);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px) scale(1.05);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.main-content {
    padding: 3rem 0;
    min-height: calc(100vh - 80px);
}

.grid {
    display: grid;
    gap: 2rem;
}

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .grid-cols-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-cols-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-cols-4,
    .grid-cols-3,
    .grid-cols-2 { grid-template-columns: 1fr; }
    
    .navbar-nav { flex-direction: column; }
}