:root {
    --primary-color: #3b82f6;
    --secondary-color: #2563eb;
    --danger-color: #ef4444;
    --success-color: #22c55e;
    --bg-gradient: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background: var(--bg-gradient);
    min-height: 100vh;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.bg-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(147, 197, 253, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(59, 130, 246, 0.1) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(147, 197, 253, 0.1) 0px, transparent 50%);
}

.container {
    padding: 2rem;
    max-width: 1200px;
    width: 100%;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--shadow);
    padding: 2rem;
    margin-bottom: 2rem;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 2rem;
}

.logo-text {
    font-size: 2.5rem;
    font-weight: 800;
    color: #0c4a6e;
    letter-spacing: -1px;
}

.logo-text span {
    color: var(--primary-color);
    background: #e0f2fe;
    padding: 2px 8px;
    border-radius: 8px;
    border: 2px solid var(--primary-color);
}

.nav-logo {
    max-height: 38px;
    width: auto;
    object-fit: contain;
    display: block;
}

.hero-logo {
    max-height: 65px;
    width: auto;
    object-fit: contain;
}

/* Tabs Navigation */
.nav-tabs {
    display: flex;
    gap: 10px;
    background: rgba(255, 255, 255, 0.5);
    padding: 8px;
    border-radius: 15px;
    margin-bottom: 2rem;
    width: fit-content;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    padding: 10px 25px;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-link.active {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

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

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

.form-control {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    background: rgba(255, 255, 255, 0.8);
    outline: none;
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border-radius: 12px;
    border: none;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
}

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 1px solid #e2e8f0;
}

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

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

.table th {
    text-align: left;
    padding: 1rem;
    color: var(--text-secondary);
    font-weight: 600;
    border-bottom: 2px solid #f1f5f9;
}

.table td {
    padding: 1rem;
    vertical-align: middle;
    border-bottom: 1px solid #f1f5f9;
}

.table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 1rem;
    border-radius: 12px;
}

.text-truncate {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Stream Preview */
.stream-preview {
    aspect-ratio: 16/9;
    background: #000;
    border-radius: 15px;
    overflow: hidden;
    position: relative;
    margin-bottom: 1rem;
}

.stream-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-container {
    width: 180px; 
    height: 101px; 
    background: #000; 
    border-radius: 18px; 
    overflow: hidden; 
    position: relative;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
    cursor: pointer;
    background: transparent;
}

.badge-live {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--danger-color);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 800;
    font-size: 0.75rem;
    display: flex;
    align-items: center;
    gap: 5px;
}

.badge-live::before {
    content: '';
    width: 6px;
    height: 6px;
    background: white;
    border-radius: 50%;
    display: inline-block;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.7; }
    70% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.7; }
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .grid-2 { grid-template-columns: 1fr; }
}

/* Loading Overlay */
#loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

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