/**
 * IPTVSport.eu Design System
 * Based on brand manual — dark sports streaming platform
 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --db-bg: #090B10;
    --db-bg-subtle: #0D1117;
    --db-surface: #121B26;
    --db-surface-hover: #182232;
    --db-surface-raised: #1A2433;
    --db-border: rgba(255, 255, 255, 0.08);
    --db-border-strong: rgba(255, 255, 255, 0.14);

    --db-text: #FFFFFF;
    --db-text-secondary: #9CA3AF;
    --db-text-muted: #6B7280;

    --db-primary: #2D70FF;
    --db-secondary: #6C4EFF;
    --db-accent: #00D4FF;
    --db-accent-hover: #1A5FE6;
    --db-accent-soft: rgba(45, 112, 255, 0.15);
    --db-accent-glow: rgba(45, 112, 255, 0.35);
    --db-gradient: linear-gradient(135deg, #2D70FF 0%, #6C4EFF 100%);

    --db-success: #22C55E;
    --db-warning: #F59E0B;
    --db-danger: #EF4444;
    --db-info: #00D4FF;

    --db-radius-sm: 8px;
    --db-radius: 12px;
    --db-radius-lg: 16px;
    --db-radius-xl: 20px;

    --db-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
    --db-shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.3);

    --db-font: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --db-transition: 0.18s ease;

    --db-sidebar-width: 240px;
    --db-header-height: 56px;
    --db-bottom-nav-height: 64px;

    /* Bootstrap overrides */
    --bs-body-bg: var(--db-bg);
    --bs-body-color: var(--db-text);
    --bs-primary: var(--db-primary);
    --bs-primary-rgb: 45, 112, 255;
    --bs-secondary: var(--db-text-secondary);
    --bs-success: var(--db-success);
    --bs-danger: var(--db-danger);
    --bs-warning: var(--db-warning);
    --bs-info: var(--db-info);
    --bs-border-color: var(--db-border);
    --bs-link-color: var(--db-primary);
    --bs-link-hover-color: var(--db-accent);
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--db-font);
    background: var(--db-bg);
    color: var(--db-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    letter-spacing: -0.02em;
}

.text-muted {
    color: var(--db-text-muted) !important;
}

.btn {
    border-radius: var(--db-radius-sm);
    font-weight: 600;
    transition: all var(--db-transition);
}

.btn-primary {
    background: var(--db-gradient);
    border: none;
    color: #fff;
}

.btn-primary:hover,
.btn-primary:focus {
    filter: brightness(1.08);
    box-shadow: 0 0 0 3px var(--db-accent-soft);
    color: #fff;
}

.btn-outline-light {
    border-color: var(--db-border-strong);
    color: var(--db-text-secondary);
}

.btn-outline-light:hover {
    background: var(--db-surface-hover);
    border-color: var(--db-border-strong);
    color: var(--db-text);
}

.btn-outline-secondary {
    border-color: var(--db-border-strong);
    color: var(--db-text-secondary);
}

.btn-outline-secondary:hover {
    background: var(--db-surface-hover);
    color: var(--db-text);
}

.card {
    background: var(--db-surface);
    border: 1px solid var(--db-border);
    border-radius: var(--db-radius-lg);
}

.form-control,
.form-select {
    background: var(--db-bg-subtle);
    border-color: var(--db-border-strong);
    color: var(--db-text);
    border-radius: var(--db-radius-sm);
}

.form-control:focus,
.form-select:focus {
    background: var(--db-bg-subtle);
    border-color: var(--db-primary);
    box-shadow: 0 0 0 3px var(--db-accent-soft);
    color: var(--db-text);
}

.input-group-text {
    background: var(--db-surface);
    border-color: var(--db-border-strong);
    color: var(--db-text-muted);
}

.alert-info {
    background: rgba(45, 112, 255, 0.12);
    border-color: rgba(45, 112, 255, 0.25);
    color: var(--db-text);
}

.badge.bg-success {
    background: var(--db-success) !important;
}

/* Admin shell */
.admin-shell {
    display: flex;
    min-height: 100vh;
    background: var(--db-bg);
}

.admin-sidebar {
    width: var(--db-sidebar-width);
    background: var(--db-surface);
    border-right: 1px solid var(--db-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 200;
}

.admin-sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1rem;
    text-decoration: none;
    color: var(--db-text);
    border-bottom: 1px solid var(--db-border);
}

.admin-sidebar-brand-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--db-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1rem;
}

.admin-sidebar-brand-text {
    font-weight: 700;
    font-size: 0.95rem;
}

.admin-sidebar-brand-sub {
    font-size: 0.7rem;
    color: var(--db-text-muted);
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.65rem 1rem;
    margin: 0.1rem 0.5rem;
    border-radius: var(--db-radius-sm);
    color: var(--db-text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--db-transition);
}

.admin-nav-link:hover {
    background: var(--db-surface-hover);
    color: var(--db-text);
}

.admin-nav-link.active {
    background: var(--db-accent-soft);
    color: var(--db-primary);
}

.admin-nav-link.danger {
    color: var(--db-danger);
}

.admin-nav-section {
    padding: 1rem 1rem 0.35rem;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--db-text-muted);
}

.admin-main {
    flex: 1;
    margin-left: var(--db-sidebar-width);
    min-width: 0;
}

.admin-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1.25rem;
    background: rgba(9, 11, 16, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--db-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-topbar-title {
    font-weight: 600;
    font-size: 1.05rem;
}

.admin-topbar-meta {
    font-size: 0.75rem;
    color: var(--db-text-muted);
}

.admin-content {
    padding: 1.25rem;
}

.admin-sidebar-footer {
    margin-top: auto;
    padding: 0.5rem 0 1rem;
    border-top: 1px solid var(--db-border);
}

@media (max-width: 991px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform var(--db-transition);
    }
    .admin-sidebar.open {
        transform: translateX(0);
    }
    .admin-main {
        margin-left: 0;
    }
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(45, 112, 255, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(108, 78, 255, 0.08) 0%, transparent 50%),
        var(--db-bg);
}

.login-card {
    width: 100%;
    max-width: 400px;
    padding: 2rem;
    background: var(--db-surface);
    border: 1px solid var(--db-border);
    border-radius: var(--db-radius-xl);
    box-shadow: var(--db-shadow);
}

.login-logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-logo img {
    height: 32px;
    margin-bottom: 1rem;
}

.login-logo h1 {
    font-size: 1.35rem;
    margin-bottom: 0.25rem;
}

.login-logo p {
    color: var(--db-text-muted);
    font-size: 0.875rem;
    margin: 0;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.fade-in {
    animation: fadeIn 0.35s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.content-refresh-banner {
    position: fixed;
    bottom: calc(var(--db-bottom-nav-height) + 1rem);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1080;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    background: var(--db-surface);
    border: 1px solid var(--db-border);
    border-radius: var(--db-radius);
    box-shadow: var(--db-shadow);
}