/* assets/css/style.css - Modern Dashboard */

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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #1e293b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --light-bg: #f8fafc;
    --dark-text: #0f172a;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    color: var(--dark-text);
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border-color);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-nav {
    display: flex;
    gap: 0.5rem;
    flex: 1;
    justify-content: center;
}

.nav-link {
    color: var(--dark-text);
    text-decoration: none;
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-weight: 500;
    position: relative;
}

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

.nav-link.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.user-menu {
    position: relative;
}

.user-name {
    cursor: pointer;
    padding: 0.625rem 1.25rem;
    background: var(--light-bg);
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-name:hover {
    background: var(--border-color);
}

.dropdown {
    display: none;
    position: absolute;
    right: 0;
    top: calc(100% + 0.5rem);
    background: white;
    box-shadow: var(--shadow-xl);
    border-radius: 12px;
    min-width: 180px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    animation: slideDown 0.2s ease;
}

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

.user-menu:hover .dropdown {
    display: block;
}

.dropdown a {
    display: block;
    padding: 0.875rem 1.25rem;
    color: var(--dark-text);
    text-decoration: none;
    transition: all 0.2s ease;
    font-weight: 500;
}

.dropdown a:hover {
    background: var(--light-bg);
    color: var(--primary-color);
    padding-left: 1.5rem;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
    animation: fadeIn 0.5s ease;
}

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

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2rem;
    color: var(--secondary-color);
}

.page-actions {
    display: flex;
    gap: 1rem;
}

/* Cards */
.card {
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    margin-bottom: 2rem;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

.card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(to right, var(--light-bg), white);
}

.card-header h2,
.card-header h3 {
    margin: 0;
    color: var(--secondary-color);
    font-weight: 700;
}

.card-body {
    padding: 1.5rem;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-icon {
    font-size: 3rem;
}

.stat-content h3 {
    font-size: 2rem;
    margin: 0;
    color: var(--primary-color);
}

.stat-content p {
    margin: 0;
    color: #7f8c8d;
}

/* Table */
.table-responsive {
    overflow-x: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table th,
.table td {
    padding: 1rem 1.25rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    background: var(--light-bg);
    font-weight: 700;
    color: var(--secondary-color);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.table tbody tr {
    transition: all 0.2s ease;
}

.table tbody tr:hover {
    background: var(--light-bg);
    transform: scale(1.01);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #3730a3 100%);
}

.btn-secondary {
    background: #64748b;
    color: white;
}

.btn-secondary:hover {
    background: #475569;
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
    color: white;
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
    color: white;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
}

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

.btn-warning:hover {
    background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
}

.btn-info {
    background: linear-gradient(135deg, var(--info-color) 0%, #2563eb 100%);
    color: white;
}

.btn-info:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    border-radius: 8px;
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.025em;
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

/* Forms */
.form {
    max-width: 800px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

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

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: #7f8c8d;
    font-size: 0.875rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: #7f8c8d;
}

.empty-state p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* Login Page */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
}

.login-box {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.login-header p {
    color: #7f8c8d;
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.login-footer {
    margin-top: 2rem;
    text-align: center;
    color: #7f8c8d;
    font-size: 0.875rem;
}

.version {
    margin-top: 1rem;
    font-size: 0.75rem;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 0.5rem;
}

.tab {
    padding: 0.75rem 1.5rem;
    background: var(--light-bg);
    border: none;
    border-radius: 5px 5px 0 0;
    cursor: pointer;
    text-decoration: none;
    color: var(--dark-text);
    transition: background 0.3s;
}

.tab:hover,
.tab.active {
    background: white;
    border-bottom: 2px solid var(--primary-color);
}

/* Content Layout */
.content-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
}

.sidebar {
    background: var(--light-bg);
    padding: 1rem;
    border-radius: 5px;
}

.sidebar h4 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.category-list {
    list-style: none;
}

.category-list li {
    margin-bottom: 0.5rem;
}

.category-list a {
    display: block;
    padding: 0.5rem;
    color: var(--dark-text);
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}

.category-list a:hover,
.category-list a.active {
    background: white;
}

/* Streams Grid */
.streams-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.stream-card {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

.stream-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.stream-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.stream-no-image {
    width: 100%;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-bg);
    font-size: 3rem;
}

.stream-info {
    padding: 1rem;
}

.stream-info h5 {
    margin: 0 0 0.5rem 0;
    font-size: 0.9rem;
    color: var(--secondary-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
}

.modal-content {
    background: white;
    margin: 5% auto;
    padding: 2rem;
    width: 90%;
    max-width: 1000px;
    border-radius: 10px;
    position: relative;
}

.close {
    position: absolute;
    right: 1rem;
    top: 1rem;
    font-size: 2rem;
    cursor: pointer;
    color: #7f8c8d;
}

.close:hover {
    color: var(--danger-color);
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.info-item {
    padding: 1rem;
    background: var(--light-bg);
    border-radius: 5px;
}

.info-item strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

/* Responsive */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .distribution-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .header-nav {
        flex-direction: column;
        width: 100%;
        gap: 0.25rem;
    }
    
    .nav-link {
        text-align: center;
    }
    
    .content-layout {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .distribution-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .page-actions {
        width: 100%;
    }
    
    .btn-group {
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .quick-actions {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .stat-card {
        flex-direction: column;
        text-align: center;
    }
    
    .stat-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--light-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Loading Animation */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading {
    animation: spin 1s linear infinite;
}

/* Pulse Animation */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}