/* ============================================
   Christian Song Lyricz - Modern Custom Styles
   ============================================ */

:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #ec4899;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --light-bg: #f8fafc;
    --dark-bg: #1e293b;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --card-shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* ============================================
   Global Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    color: #334155;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ============================================
   Navigation Styles
   ============================================ */

.navbar {
    backdrop-filter: blur(10px);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.95) 0%, rgba(139, 92, 246, 0.95) 100%) !important;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.2);
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand,
.navbar h2 {
    font-weight: 700;
    letter-spacing: 0.5px;
    color: white !important;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.navbar-brand:hover {
    transform: scale(1.05);
    transition: all 0.3s ease;
}

.navbar .text-light {
    opacity: 1;
    color: white !important;
    font-weight: 300;
    letter-spacing: 0.3px;
}

.nav-link {
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
    color: white !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #fbbf24, #ec4899);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* ============================================
   Main Content Area
   ============================================ */

main.content {
    min-height: calc(100vh - 200px);
    padding: 3rem 1rem !important;
    animation: fadeIn 0.5s ease-in;
}

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

/* ============================================
   Headings
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    color: #1e293b;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: 0.3px;
}

h1 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideDown 0.6s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

h2 {
    font-size: 1.75rem;
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 0.5rem;
    display: inline-block;
}

h3, h4 {
    color: #334155;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    font-weight: 600;
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.3);
    transition: left 0.3s ease;
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.5);
    color: white;
}

.btn-secondary {
    background: linear-gradient(135deg, #64748b 0%, #475569 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(100, 116, 139, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(100, 116, 139, 0.5);
    color: white;
}

/* ============================================
   Cards
   ============================================ */

.card {
    border: none;
    border-radius: 16px;
    background: white;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
}

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

.card-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border: none;
    padding: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    color: #1e293b;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

/* ============================================
   Forms
   ============================================ */

.form-control,
.form-select {
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #f8fafc;
}

.form-control:focus,
.form-select:focus {
    background: white;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    outline: none;
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 6px;
    border: 2px solid #cbd5e1;
    transition: all 0.3s ease;
    cursor: pointer;
}

.form-check-input:checked {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: var(--primary-color);
}

/* ============================================
   Tables
   ============================================ */

.table {
    border-collapse: collapse;
    width: 100%;
}

.table thead {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 3px solid var(--primary-color);
}

.table th {
    color: #1e293b;
    font-weight: 700;
    padding: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.85rem;
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.table tbody tr:hover {
    background: #f8fafc;
    transform: scale(1.01);
}

/* ============================================
   Badges
   ============================================ */

.badge {
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-size: 0.8rem;
}

.badge.bg-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%) !important;
}

.badge.bg-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%) !important;
}

.badge.bg-warning {
    background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%) !important;
    color: white;
}

.badge.bg-info {
    background: linear-gradient(135deg, #0ea5e9 0%, #0284c7 100%) !important;
}

/* ============================================
   Alerts
   ============================================ */

.alert {
    border: none;
    border-radius: 12px;
    padding: 1.5rem;
    border-left: 4px solid;
    animation: slideIn 0.4s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.alert-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.05) 100%);
    border-left-color: var(--success-color);
    color: #047857;
}

.alert-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(220, 38, 38, 0.05) 100%);
    border-left-color: var(--danger-color);
    color: #b91c1c;
}

.alert-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(217, 119, 6, 0.05) 100%);
    border-left-color: var(--warning-color);
    color: #92400e;
}

.alert-info {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.1) 0%, rgba(2, 132, 199, 0.05) 100%);
    border-left-color: #0ea5e9;
    color: #0c4a6e;
}

/* ============================================
   Links
   ============================================ */

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* ============================================
   Footer
   ============================================ */

footer.navbar {
    margin-top: 3rem;
    padding: 1.5rem !important;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.95) 100%) !important;
    border-top: 2px solid rgba(255, 255, 255, 0.1);
}

/* ============================================
   Pagination
   ============================================ */

.pagination {
    gap: 0.5rem;
}

.page-link {
    border-radius: 8px;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    transition: all 0.3s ease;
}

.page-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.page-item.active .page-link {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: var(--secondary-color);
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 768px) {
    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.4rem;
    }

    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.8rem;
    }

    main.content {
        padding: 2rem 0.5rem !important;
    }

    .card {
        margin-bottom: 1rem;
    }
}

/* ============================================
   Utility Classes
   ============================================ */

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

.shadow-lg {
    box-shadow: var(--card-shadow) !important;
}

.shadow-hover:hover {
    box-shadow: var(--card-shadow-hover) !important;
}

.transition-all {
    transition: all 0.3s ease !important;
}

.rounded-xl {
    border-radius: 16px !important;
}

.border-gradient {
    border: 2px solid;
    border-image: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) 1;
}

/* ============================================
   Loading Animation
   ============================================ */

.spinner {
    border: 4px solid #e2e8f0;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ============================================
   Scrollbar Styling
   ============================================ */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--secondary-color), var(--accent-color));
}