/* Global Styles */
:root {
    --primary-color: #4F46E5;
    --secondary-color: #10B981;
    --danger-color: #EF4444;
    --warning-color: #F59E0B;
    --light-bg: #F9FAFB;
    --dark-text: #1F2937;
    --gray-text: #6B7280;
    --border-color: #E5E7EB;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: #fff;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
.navbar {
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 0;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--dark-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), #7C3AED);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background-color: #4338CA;
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

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

.btn-secondary:hover {
    background-color: #059669;
}

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

.btn-outline {
    background-color: transparent;
    border: 2px solid white;
    color: white;
}

.btn-outline:hover {
    background-color: white;
    color: var(--primary-color);
}

/* Cards */
.card {
    background: white;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: transform 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0,0,0,0.15);
}

.card-header {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    color: var(--dark-text);
}

.card-body {
    color: var(--gray-text);
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: 2rem;
    margin: 2rem 0;
}

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

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

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

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--dark-text);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    background-color: white;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: white;
    border-radius: 0.5rem;
    overflow: hidden;
}

.table th {
    background-color: var(--light-bg);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--dark-text);
}

.table td {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
}

.table tr:hover {
    background-color: var(--light-bg);
}

/* Badges */
.badge {
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
}

.badge-primary {
    background-color: #DBEAFE;
    color: var(--primary-color);
}

.badge-success {
    background-color: #D1FAE5;
    color: var(--secondary-color);
}

.badge-warning {
    background-color: #FEF3C7;
    color: var(--warning-color);
}

.badge-danger {
    background-color: #FEE2E2;
    color: var(--danger-color);
}

/* Dashboard Stats */
.stats-card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.stats-value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.stats-label {
    color: var(--gray-text);
    margin-top: 0.5rem;
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #D1FAE5;
    color: #065F46;
    border-left: 4px solid var(--secondary-color);
}

.alert-danger {
    background-color: #FEE2E2;
    color: #991B1B;
    border-left: 4px solid var(--danger-color);
}

.alert-info {
    background-color: #DBEAFE;
    color: #1E40AF;
    border-left: 4px solid var(--primary-color);
}

/* Footer */
.footer {
    background-color: var(--dark-text);
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 4rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin-bottom: 2rem;
}

.footer-link {
    color: white;
    text-decoration: none;
}

.footer-link:hover {
    color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 768px) {
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .table th, .table td {
        padding: 0.5rem;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

/* Banner Slider Styles */
.banner-slider {
    position: relative;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    margin-bottom: 2rem;
}

.banner-container {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.banner-slide {
    min-width: 100%;
    position: relative;
}

.banner-slide img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.banner-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: white;
    padding: 2rem;
    text-align: center;
}

.banner-caption h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.banner-caption p {
    font-size: 1.2rem;
    margin: 0;
}

.banner-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.9);
    border: none;
    color: var(--primary-color);
    font-size: 2rem;
    padding: 1rem 1.5rem;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s;
    border-radius: 0.5rem;
}

.banner-nav:hover {
    background: white;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.banner-prev {
    left: 1rem;
}

.banner-next {
    right: 1rem;
}

.banner-dots {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 10;
}

.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s;
}

.banner-dot.active {
    background: white;
    transform: scale(1.2);
}

@media (max-width: 768px) {
    .banner-slide img {
        height: 250px;
    }
    
    .banner-caption h2 {
        font-size: 1.5rem;
    }
    
    .banner-caption p {
        font-size: 1rem;
    }
    
    .banner-nav {
        padding: 0.5rem 1rem;
        font-size: 1.5rem;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.d-flex {
    display: flex;
}

.justify-between {
    justify-content: space-between;
}

.align-center {
    align-items: center;
}

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }