:root {
    --color-primary: #0B2B4A;
    --color-secondary: #1E90FF;
    --color-accent: #00B894;
    --color-danger: #FF6B6B;
    --color-bg: #F8FAFC;
    --color-text-main: #1e293b;
    --color-text-muted: #64748b;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Bootstrap Overrides */
    --bs-primary: var(--color-primary);
    --bs-secondary: var(--color-secondary);
    --bs-success: var(--color-accent);
    --bs-danger: var(--color-danger);
    --bs-body-font-family: var(--font-family);
    --bs-body-bg: var(--color-bg);
    --bs-body-color: var(--color-text-main);
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg);
    color: var(--color-text-main);
    font-size: 1.2rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, .h1 { font-size: 2.5rem; font-weight: 700; color: var(--color-primary); }
h2, .h2 { font-size: 1.8rem; font-weight: 600; color: var(--color-primary); }
small, .text-small { font-size: 0.875rem; color: var(--color-text-muted); }

/* Buttons */
.btn {
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-primary:hover, .btn-primary:focus {
    background-color: #081f36;
    border-color: #081f36;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(11, 43, 74, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-secondary);
    border: 2px solid var(--color-secondary);
}

.btn-secondary:hover {
    background-color: var(--color-secondary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 144, 255, 0.2);
}

.btn-accent {
    background-color: var(--color-accent);
    color: white;
    border-color: var(--color-accent);
}

.btn-accent:hover {
    background-color: #00a181;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 184, 148, 0.2);
}

.btn-danger-outline {
    background-color: transparent;
    color: var(--color-danger);
    border: 2px solid var(--color-danger);
}
.btn-danger-outline:hover {
    background-color: var(--color-danger);
    color: white;
}

/* Cards */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: all 0.3s ease;
    background: white;
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.08);
}

/* Navbar */
.navbar-brand {
    font-weight: 700;
    color: var(--color-primary) !important;
    font-size: 1.5rem;
}

.navbar-brand span {
    color: var(--color-secondary);
}

.nav-link {
    font-weight: 500;
    color: var(--color-text-main);
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: var(--color-secondary);
}

/* Tables */
.table-responsive {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    background: white;
}

.table {
    margin-bottom: 0;
}

.table th {
    background-color: #f1f5f9;
    color: var(--color-text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    padding: 1rem;
    border-bottom: none;
    position: sticky;
    top: 0;
}

.table td {
    padding: 1rem;
    vertical-align: middle;
    color: var(--color-text-main);
    border-bottom: 1px solid #e2e8f0;
}

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

/* Form Controls */
.form-control, .form-select {
    border-radius: 8px;
    padding: 0.75rem 1rem;
    border: 1px solid #cbd5e1;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-control:focus, .form-select:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(30, 144, 255, 0.15);
}

/* Hero Section */
.hero-section {
    padding: 120px 0;
    background: linear-gradient(135deg, var(--color-bg) 0%, #e0f2fe 100%);
    position: relative;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    top: -100px;
    right: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(30,144,255,0.1) 0%, rgba(0,184,148,0.1) 100%);
    z-index: 0;
}

/* Sidebar Dashboard */
.sidebar {
    min-height: 100vh;
    background-color: white;
    border-right: 1px solid #e2e8f0;
    padding: 2rem 1rem;
}

.sidebar .nav-link {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar .nav-link:hover, .sidebar .nav-link.active {
    background-color: #f1f5f9;
    color: var(--color-primary);
    font-weight: 600;
}

/* Animations */
.fade-in-up {
    animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Badge specific */
.badge-success { background-color: rgba(0, 184, 148, 0.1); color: var(--color-accent); }
.badge-warning { background-color: rgba(245, 158, 11, 0.1); color: #d97706; }
.badge-danger { background-color: rgba(255, 107, 107, 0.1); color: var(--color-danger); }