:root {
  --bg: #0e0f12;
  --surface: #16181d;
  --surface-2: #1c1f26;
  --border: #2a2c33;
  --text: #f4f4f5;
  --text-dim: #a1a1aa;
  --primary: #6c5ce7;
  --primary-dim: #5a4dd1;
  --accent: #15ad6e;
  --warn: #f59e0b;
  --danger: #ef4444;
  --radius: 12px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: 'Inter', 'Segoe UI', system-ui, sans-serif; }
body { min-height: 100vh; display: flex; flex-direction: column; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Topbar */
.topbar { background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar-inner { max-width: 1100px; margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; gap: 24px; }
.brand { font-weight: 700; font-size: 18px; color: var(--text); }
.topnav { display: flex; gap: 18px; flex-grow: 1; }
.topnav a { color: var(--text-dim); font-size: 14px; }
.topnav a:hover { color: var(--text); text-decoration: none; }
.topnav-right { display: flex; gap: 12px; align-items: center; }
.hello { color: var(--text-dim); font-size: 13px; }

/* Buttons */
.btn-primary { display: inline-block; padding: 8px 14px; background: var(--primary); color: #fff; border-radius: 8px; font-weight: 600; font-size: 13px; border: 0; cursor: pointer; }
.btn-primary:hover { background: var(--primary-dim); text-decoration: none; }
.btn-ghost { display: inline-block; padding: 8px 14px; background: transparent; color: var(--text); border: 1px solid var(--border); border-radius: 8px; font-size: 13px; }
.btn-link { background: transparent; border: 0; color: var(--text-dim); cursor: pointer; font-size: 13px; padding: 0; }
.btn-link:hover { color: var(--text); }
.inline-form { display: inline; }

/* Main + cards */
.main { flex-grow: 1; max-width: 1100px; margin: 0 auto; width: 100%; padding: 32px 24px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; margin-bottom: 16px; }
.card h2 { margin: 0 0 12px; font-size: 18px; }
.muted { color: var(--text-dim); }
.h-row { display: flex; align-items: baseline; justify-content: space-between; }

/* Forms */
.form { max-width: 380px; }
.form label { display: block; font-size: 12px; opacity: 0.7; margin-top: 14px; text-transform: uppercase; letter-spacing: 0.06em; }
.form input { width: 100%; padding: 10px 12px; margin-top: 4px; background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 8px; font-size: 14px; }
.form .submit { margin-top: 18px; }
.form-error { color: var(--danger); font-size: 13px; margin-top: 10px; min-height: 18px; }

/* Tables */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; font-size: 13px; }
.table th { color: var(--text-dim); font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; font-size: 11px; }
.table tbody tr:hover { background: var(--surface-2); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; background: var(--surface-2); color: var(--text-dim); }
.badge.live { background: rgba(108,92,231,0.15); color: var(--primary); }
.badge.mix { background: rgba(21,173,110,0.15); color: var(--accent); }

/* Now playing widget */
.np-card { display: flex; flex-direction: column; gap: 4px; padding: 28px 32px; }
.np-card .np-title { font-size: 28px; font-weight: 700; }
.np-card .np-artist { font-size: 18px; color: var(--text-dim); }
.np-card .np-meta { font-size: 12px; color: var(--text-dim); margin-top: 8px; letter-spacing: 0.08em; text-transform: uppercase; }

/* Footer */
.footer { border-top: 1px solid var(--border); margin-top: 40px; padding: 16px 24px; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; gap: 18px; color: var(--text-dim); font-size: 13px; justify-content: space-between; }

/* Layout helpers */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 720px) { .grid-2 { grid-template-columns: 1fr; } }
.usage { display: flex; gap: 24px; margin-top: 8px; }
.usage > div { background: var(--surface-2); padding: 14px 18px; border-radius: 10px; flex-grow: 1; }
.usage .label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.06em; }
.usage .value { font-size: 22px; font-weight: 700; margin-top: 4px; }