:root {
    --bg: #10141b;
    --bg-soft: #171d27;
    --bg-card: #1c2532;
    --bg-input: #121924;
    --text: #edf2f7;
    --text-muted: #94a3b8;
    --primary: #f97316;
    --primary-hover: #fb923c;
    --success: #22c55e;
    --danger: #ef4444;
    --border: #2d3748;
    --border-strong: #475569;
    --shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

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

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(249, 115, 22, 0.18), transparent 30%),
        radial-gradient(circle at top right, rgba(34, 197, 94, 0.1), transparent 25%),
        var(--bg);
    color: var(--text);
    min-height: 100vh;
}

.container { max-width: 1280px; margin: 0 auto; padding: 28px 24px 48px; }

/* Navbar */
.navbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 24px; background: rgba(16, 20, 27, 0.88); border-bottom: 1px solid var(--border);
    backdrop-filter: blur(18px);
    position: sticky;
    top: 0;
    z-index: 20;
}
.nav-brand a { color: var(--primary); font-size: 1.35em; font-weight: 800; letter-spacing: 0.08em; text-decoration: none; text-transform: uppercase; }
.nav-links { display: flex; gap: 16px; align-items: center; }
.nav-links a { color: var(--text); text-decoration: none; }
.nav-user { color: var(--text-muted); }

/* Buttons */
.btn {
    display: inline-block; padding: 8px 16px; border: 1px solid var(--border);
    background: var(--bg-card); color: var(--text); border-radius: 10px;
    cursor: pointer; text-decoration: none; font-size: 14px; transition: all 0.2s;
}
.btn:hover { border-color: var(--primary); transform: translateY(-1px); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-success { background: var(--success); border-color: var(--success); color: white; }
.btn-danger { background: var(--danger); border-color: var(--danger); color: white; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-lg { padding: 12px 32px; font-size: 18px; }
.btn-block { width: 100%; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; color: var(--text-muted); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 10px; background: var(--bg-input); border: 1px solid var(--border);
    color: var(--text); border-radius: 10px; font-size: 14px;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary);
}
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }
.help { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* Tables */
.table { width: 100%; border-collapse: collapse; margin: 8px 0 0; }
.table th, .table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { color: var(--text-muted); font-weight: 600; }
.table tr:hover { background: rgba(233, 69, 96, 0.05); }

/* Cards */
.card { background: linear-gradient(180deg, rgba(28, 37, 50, 0.94), rgba(23, 29, 39, 0.98)); border: 1px solid var(--border); border-radius: 18px; padding: 22px; margin-bottom: 18px; box-shadow: var(--shadow); }
.room-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; margin-top: 20px; }
.room-card { background: linear-gradient(180deg, rgba(28, 37, 50, 0.94), rgba(23, 29, 39, 0.98)); border: 1px solid var(--border); border-radius: 20px; padding: 22px; box-shadow: var(--shadow); }
.room-card h3 { margin-bottom: 8px; }
.room-card p { color: var(--text-muted); margin-bottom: 8px; }
.room-actions { display: flex; gap: 8px; margin-top: 12px; }
.room-displays { display: flex; gap: 8px; margin-top: 8px; }

/* Badges */
.badge { padding: 2px 8px; border-radius: 4px; font-size: 12px; background: var(--bg-input); }
.badge-escaped { background: var(--success); color: white; }
.badge-failed { background: var(--danger); color: white; }

/* Alerts */
.messages { padding: 0 24px; }
.alert { padding: 12px 16px; border-radius: 6px; margin: 8px 0; }
.alert-success { background: rgba(46, 204, 113, 0.15); border: 1px solid var(--success); }
.alert-error { background: rgba(231, 76, 60, 0.15); border: 1px solid var(--danger); }

/* Page Header */
.page-header { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin: 24px 0 18px; }
.admin-nav { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.stats-bar { display: flex; gap: 24px; margin-bottom: 16px; flex-wrap: wrap; }
.stat { font-size: 16px; }
.inline-form { display: inline-flex; }

.eyebrow {
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.dashboard-hero,
.room-shell {
    background: linear-gradient(140deg, rgba(28, 37, 50, 0.96), rgba(16, 20, 27, 0.98));
    border: 1px solid rgba(71, 85, 105, 0.45);
    border-radius: 24px;
    padding: 28px;
    box-shadow: var(--shadow);
}

.dashboard-hero {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
}

.dashboard-hero h1,
.room-shell h1 {
    font-size: clamp(2rem, 4vw, 3rem);
    line-height: 1;
    margin-bottom: 12px;
}

.dashboard-copy,
.room-shell__description {
    color: var(--text-muted);
    max-width: 760px;
    line-height: 1.6;
}

.dashboard-actions,
.room-shell__actions,
.feature-actions,
.room-card__links,
.room-card__meta,
.feature-list,
.room-metrics,
.room-sections {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.dashboard-summary,
.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 18px;
    margin-top: 20px;
}

.metric-card {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(71, 85, 105, 0.5);
    border-radius: 18px;
    padding: 18px;
}

.metric-label {
    display: block;
    color: var(--text-muted);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}

.metric-card strong {
    font-size: 1.35rem;
}

.room-card--dashboard {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.room-card__header,
.section-heading,
.room-shell__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
}

.room-card__meta {
    gap: 16px;
}

.text-link {
    color: #fbbf24;
    text-decoration: none;
    font-weight: 600;
}

.text-link:hover {
    color: #fde68a;
}

.empty-state {
    background: linear-gradient(180deg, rgba(28, 37, 50, 0.94), rgba(23, 29, 39, 0.98));
    border: 1px dashed var(--border-strong);
    border-radius: 20px;
    padding: 28px;
    box-shadow: var(--shadow);
}

.room-shell {
    margin-bottom: 24px;
}

.room-metrics {
    margin-top: 20px;
}

.room-sections {
    margin-top: 22px;
    border-top: 1px solid rgba(71, 85, 105, 0.45);
    padding-top: 18px;
}

.room-section-link {
    color: var(--text-muted);
    text-decoration: none;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid transparent;
}

.room-section-link.is-active {
    background: rgba(249, 115, 22, 0.14);
    border-color: rgba(249, 115, 22, 0.35);
    color: var(--text);
}

.feature-card {
    background: linear-gradient(180deg, rgba(28, 37, 50, 0.94), rgba(23, 29, 39, 0.98));
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 22px;
    box-shadow: var(--shadow);
}

.feature-card h2,
.feature-card h3 {
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--text-muted);
    line-height: 1.6;
}

.feature-card--accent {
    border-color: rgba(249, 115, 22, 0.45);
    background: linear-gradient(140deg, rgba(57, 32, 14, 0.95), rgba(28, 37, 50, 0.96));
}

.feature-list {
    margin: 14px 0 18px;
}

.feature-list span {
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(71, 85, 105, 0.35);
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 13px;
}

.content-section {
    margin-top: 22px;
}

/* Landing */
.landing-hero { text-align: center; padding: 120px 20px; }
.landing-hero h1 { font-size: 4em; color: var(--primary); margin-bottom: 16px; }
.landing-hero p { font-size: 1.3em; color: var(--text-muted); margin-bottom: 32px; }

/* Login */
.login-page { display: flex; align-items: center; justify-content: center; }
.login-box { background: var(--bg-card); padding: 40px; border-radius: 12px; width: 100%; max-width: 400px; border: 1px solid var(--border); }
.login-box h2 { text-align: center; color: var(--primary); margin-bottom: 24px; font-size: 2em; }

/* Modal */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.7); display: flex; align-items: center; justify-content: center; z-index: 1000; }
.modal-content { background: var(--bg-card); padding: 30px; border-radius: 12px; min-width: 300px; border: 1px solid var(--border); }

@media (max-width: 840px) {
    .container {
        padding: 20px 16px 36px;
    }

    .navbar,
    .dashboard-hero,
    .room-shell__header,
    .page-header,
    .section-heading,
    .room-card__header {
        flex-direction: column;
        align-items: flex-start;
    }

    .dashboard-hero,
    .room-shell {
        padding: 22px;
    }
}