:root {
    --bg: #0d0d0d;
    --bg-card: #1a1a1a;
    --bg-hover: #252525;
    --text: #ffffff;
    --text-muted: #b3b3b3;
    --primary: #1db954;
    --primary-hover: #1ed760;
    --accent: #ff6b35;
    --border: #333;
    --error: #e74c3c;
    --success: #1db954;
    --radius: 12px;
    --shadow: 0 8px 32px rgba(0,0,0,0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

/* Admin Layout */
.admin-layout { display: flex; min-height: 100vh; }
.sidebar {
    width: 240px;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    padding: 1.5rem;
    flex-shrink: 0;
}
.sidebar-brand { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 2rem; font-weight: 700; font-size: 1.1rem; }
.brand-icon { color: var(--primary); font-size: 1.5rem; }
.sidebar-nav { list-style: none; }
.sidebar-nav a {
    display: block; padding: 0.75rem 1rem; color: var(--text-muted);
    text-decoration: none; border-radius: 8px; margin-bottom: 0.25rem;
}
.sidebar-nav a:hover, .sidebar-nav a.active { background: var(--bg-hover); color: var(--text); }
.admin-main { flex: 1; display: flex; flex-direction: column; }
.admin-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 1.5rem 2rem; border-bottom: 1px solid var(--border);
}
.admin-content { padding: 2rem; flex: 1; }
.admin-user { display: flex; align-items: center; gap: 1rem; }

/* Dashboard */
.dashboard-grid { display: flex; flex-direction: column; gap: 2rem; }
.stat-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
.stat-card {
    background: var(--bg-card); border-radius: var(--radius); padding: 1.5rem;
    border: 1px solid var(--border);
}
.stat-label { display: block; color: var(--text-muted); font-size: 0.875rem; }
.stat-value { display: block; font-size: 2rem; font-weight: 700; margin-top: 0.5rem; color: var(--primary); }
.dashboard-panels { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.panel {
    background: var(--bg-card); border-radius: var(--radius); padding: 1.5rem;
    border: 1px solid var(--border);
}
.panel h2 { font-size: 1rem; margin-bottom: 1rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.panel h3 { font-size: 0.875rem; margin-bottom: 0.5rem; color: var(--text-muted); }
.stat-number { font-size: 2rem; font-weight: 700; margin: 0; }
.queue-list, .song-list, .screen-list, .health-list { list-style: none; }
.queue-list li, .song-list li, .screen-list li { padding: 0.5rem 0; border-bottom: 1px solid var(--border); }
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 0.5rem; }
.status-online { background: var(--success); }
.status-offline { background: var(--error); }
.badge { padding: 0.2rem 0.5rem; border-radius: 4px; font-size: 0.75rem; }
.badge-ok { background: rgba(29,185,84,0.2); color: var(--success); }
.now-playing-card { display: flex; gap: 1rem; align-items: center; }
.np-artwork { width: 64px; height: 64px; background: var(--bg-hover); border-radius: 8px; }
.text-muted { color: var(--text-muted); }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.5rem; color: var(--text-muted); font-size: 0.875rem; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 0.75rem 1rem; background: var(--bg);
    border: 1px solid var(--border); border-radius: 8px; color: var(--text); font-size: 1rem;
}
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0.75rem 1.5rem; border: none; border-radius: 8px;
    font-size: 0.875rem; font-weight: 600; cursor: pointer; text-decoration: none;
}
.btn-primary { background: var(--primary); color: #000; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-block { width: 100%; }
.alert { padding: 1rem; border-radius: 8px; margin-bottom: 1rem; }
.alert-error { background: rgba(231,76,60,0.15); color: var(--error); }
.alert-success { background: rgba(29,185,84,0.15); color: var(--success); }
.alert-warning { background: rgba(255,193,7,0.15); color: #e6a800; }

/* Login */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { width: 100%; max-width: 400px; padding: 2rem; background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border); }
.login-brand { text-align: center; margin-bottom: 2rem; }
.login-brand h1 { font-size: 1.5rem; margin-top: 0.5rem; }
.install-card { max-width: 500px; }
.install-card h3 { margin: 1.5rem 0 0.75rem; font-size: 0.875rem; color: var(--text-muted); text-transform: uppercase; }
.install-card ul { list-style: none; margin-bottom: 1rem; }
.install-card li.ok { color: var(--success); }
.install-card li.fail { color: var(--error); }

@media (max-width: 768px) {
    .admin-layout { flex-direction: column; }
    .sidebar { width: 100%; }
}

/* Page layout */
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.page-header h2 { font-size: 1.5rem; }
.header-actions { display: flex; gap: 0.5rem; }
.venue-filter { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1.5rem; }
.venue-filter select { padding: 0.5rem 1rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; color: var(--text); }

.quick-links { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 2rem; }
.quick-link { padding: 0.6rem 1.2rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; color: var(--text); text-decoration: none; font-size: 0.875rem; }
.quick-link:hover { border-color: var(--primary); color: var(--primary); }

/* Tables */
.data-table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--border); }
.data-table th { color: var(--text-muted); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; }
.data-table tr:hover td { background: var(--bg-hover); }
.data-table .actions { white-space: nowrap; }

/* Forms */
.admin-form { max-width: 640px; }
.admin-form fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; margin-bottom: 1.5rem; }
.admin-form legend { padding: 0 0.5rem; color: var(--text-muted); font-size: 0.875rem; text-transform: uppercase; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.checkbox-group { display: flex; flex-direction: column; gap: 0.5rem; }
.checkbox-group label, .radio-group label { display: flex; align-items: center; gap: 0.5rem; cursor: pointer; }
.radio-group { display: flex; gap: 1.5rem; }
.panel-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.form-hint { margin-top: 0.35rem; font-size: 0.8rem; color: var(--text-muted); }
.range-row { display: flex; align-items: center; gap: 0.75rem; }
.range-row input[type="range"] { flex: 1; }
.range-row output { min-width: 3rem; text-align: right; color: var(--text-muted); font-size: 0.875rem; }
.logo-preview {
    display: flex; align-items: center; gap: 1rem; margin-bottom: 0.75rem;
    padding: 0.75rem; background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
}
.logo-preview img {
    max-height: 56px; max-width: 180px; object-fit: contain;
    background: #111; border-radius: 6px; padding: 0.35rem;
}
.checkbox-inline { display: flex; align-items: center; gap: 0.5rem; font-size: 0.875rem; color: var(--text-muted); }
.youtube-preview {
    display: flex; align-items: center; gap: 1rem; margin-bottom: 1rem;
    padding: 0.75rem; background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
}
.youtube-preview img {
    width: 96px; height: 72px; object-fit: cover; border-radius: 6px; background: #111;
}
.youtube-preview strong { display: block; margin-bottom: 0.25rem; }
.youtube-preview p { font-size: 0.875rem; margin: 0; }
.ticker-preview { margin-bottom: 1rem; }
.ticker-preview-bar {
    overflow: hidden;
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    white-space: nowrap;
    border: 1px solid var(--border);
}

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.75rem; }
.btn-secondary { background: var(--bg-hover); color: var(--text); border: 1px solid var(--border); }
.btn-warning { background: #f39c12; color: #000; }
.btn-danger { background: var(--error); color: #fff; }
.badge-muted { background: var(--bg-hover); color: var(--text-muted); }
.badge-error { background: rgba(231,76,60,0.2); color: var(--error); }
.pagination { display: flex; align-items: center; gap: 1rem; margin-top: 1.5rem; }
code { background: var(--bg-hover); padding: 0.15rem 0.4rem; border-radius: 4px; font-size: 0.875rem; }
.now-playing-panel { margin-top: 1rem; }
.now-playing-detail { display: flex; flex-direction: column; gap: 0.25rem; }
.now-playing-detail strong { font-size: 1.25rem; }

.player-link-cell { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; max-width: 420px; }
.player-link-input {
    flex: 1; min-width: 180px; padding: 0.4rem 0.6rem;
    background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
    color: var(--text-muted); font-size: 0.75rem;
}
.inline-form { display: inline; }

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