:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1d2029;
  --border: #262a35;
  --text: #e7e9ee;
  --muted: #8a91a3;
  --accent: #d4a24c;
  --accent-2: #f5c96b;
  --green: #4ade80;
  --red: #f87171;
  --blue: #60a5fa;
  --purple: #a78bfa;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
a { color: var(--accent-2); text-decoration: none; }
.layout { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar { background: #0b0d12; border-right: 1px solid var(--border); padding: 20px 16px; position: sticky; top:0; height:100vh; }
.brand { display:flex; align-items:center; gap:10px; font-weight:700; font-size:18px; letter-spacing:0.5px; margin-bottom:28px; }
.brand .logo { width:32px; height:32px; border-radius:8px; background: linear-gradient(135deg,var(--accent),var(--accent-2)); display:grid; place-items:center; color:#1a1300; font-weight:900; }
.nav { display:flex; flex-direction:column; gap:4px; }
.nav a { display:flex; align-items:center; gap:10px; padding:10px 12px; border-radius:8px; color:var(--muted); font-size:14px; }
.nav a.active, .nav a:hover { background: var(--panel-2); color: var(--text); }
.nav .ico { width:18px; display:inline-block; text-align:center; }
.sidebar .footer { position:absolute; bottom:16px; left:16px; right:16px; font-size:12px; color:var(--muted); border-top:1px solid var(--border); padding-top:12px;}

.main { padding: 22px 28px 60px; }
.topbar { display:flex; align-items:center; justify-content:space-between; margin-bottom:22px; gap:16px; flex-wrap:wrap; }
.topbar h1 { font-size: 22px; margin:0; }
.topbar .sub { color: var(--muted); font-size: 13px; margin-top:3px; }
.actions { display:flex; gap:10px; align-items:center; }
.btn { background: var(--accent); color:#1a1300; border:none; padding:9px 14px; border-radius:8px; font-weight:600; cursor:pointer; font-size:13px; text-decoration:none; display:inline-block; }
.btn:hover { background: var(--accent-2); }
.btn.ghost { background: transparent; color: var(--text); border:1px solid var(--border); }
.btn.ghost:hover { background: var(--panel-2); }
.btn.sm { padding:6px 10px; font-size:12px; }
.btn.danger { background: var(--red); color: #2a0606; }
.search, .input, select, textarea { background: var(--panel); border:1px solid var(--border); border-radius:8px; padding:8px 12px; color:var(--text); font-size:13px; font-family:inherit; }
.search { width:260px; }
.input { width:100%; }
textarea { width:100%; resize:vertical; min-height:60px; }
label { display:block; font-size:12px; color:var(--muted); margin-bottom:4px; text-transform:uppercase; letter-spacing:0.5px; }
.field { margin-bottom:14px; }

.kpis { display:grid; grid-template-columns: repeat(4, 1fr); gap:14px; margin-bottom:20px; }
.card { background: var(--panel); border:1px solid var(--border); border-radius:12px; padding:16px 18px; }
.kpi .label { color: var(--muted); font-size:12px; text-transform:uppercase; letter-spacing:0.6px; }
.kpi .value { font-size:24px; font-weight:700; margin-top:6px; }
.kpi .delta { font-size:12px; margin-top:4px; }
.delta.up { color: var(--green); }
.delta.down { color: var(--red); }

.grid { display:grid; grid-template-columns: 2fr 1fr; gap:16px; }
.grid-3 { display:grid; grid-template-columns: 1fr 1fr 1fr; gap:16px; margin-top:16px; }

.card h3 { margin:0 0 14px; font-size:14px; letter-spacing:0.4px; text-transform:uppercase; color:var(--muted); }
.card .head { display:flex; justify-content:space-between; align-items:center; margin-bottom:14px; }
.card .head h3 { margin:0; }

.schedule { display:flex; flex-direction:column; gap:8px; max-height: 520px; overflow-y:auto; }
.appt { display:grid; grid-template-columns: 70px 1fr auto; gap:12px; align-items:center; padding:10px 12px; border-radius:8px; background: var(--panel-2); border-left:3px solid var(--accent); }
.appt.done { opacity:.6; border-left-color: var(--green); }
.appt.in_chair { border-left-color: var(--blue); background: #1b2433; }
.appt.cancelled, .appt.no_show { border-left-color: var(--red); opacity:.6; }
.appt.pending { border-left-color: var(--accent); }
.appt .time { font-weight:600; font-size:13px; }
.appt .client { font-size:14px; }
.appt .service { font-size:12px; color: var(--muted); margin-top:2px; }
.badge { font-size:11px; padding:3px 8px; border-radius:999px; background:#2a2f3d; color:var(--muted); }
.badge.blue { background:#143153; color:#9cc5ff; }
.badge.green { background:#143a26; color:#86efac; }
.badge.red { background:#3a1414; color:#fca5a5; }
.badge.gold { background:#3a2a0a; color:#f5c96b; }
.badge.purple { background:#2a1a3d; color:#c5b3f5; }

.barbers { display:flex; flex-direction:column; gap:10px; }
.barber-row { display:grid; grid-template-columns: 40px 1fr auto; gap:12px; align-items:center; padding:10px; background:var(--panel-2); border-radius:8px; }
.avatar { width:40px; height:40px; border-radius:50%; display:grid; place-items:center; font-weight:700; color:#1a1300; }
.barber-row .name { font-size:14px; }
.barber-row .meta { font-size:12px; color:var(--muted); }
.barber-row .stat { text-align:right; font-weight:700; font-size:14px; }
.barber-row .stat small { display:block; color:var(--muted); font-weight:400; font-size:11px; }

table { width:100%; border-collapse: collapse; font-size:13px; }
th, td { text-align:left; padding:10px 8px; border-bottom:1px solid var(--border); }
th { color: var(--muted); font-weight:600; font-size:11px; text-transform:uppercase; letter-spacing:0.5px; }
tr:last-child td { border-bottom:none; }
tr:hover td { background: rgba(255,255,255,0.02); }
td .sub { color: var(--muted); font-size:12px; }
td a.action { color: var(--accent-2); font-size:12px; margin-right:10px; }

.chart { height:180px; display:flex; align-items:flex-end; gap:10px; padding-top:10px; }
.bar { flex:1; background: linear-gradient(to top, var(--accent), var(--accent-2)); border-radius:6px 6px 0 0; position:relative; min-height: 6px; }
.bar span { position:absolute; bottom:-20px; left:0; right:0; text-align:center; font-size:11px; color:var(--muted); }
.bar::after { content: attr(data-val); position:absolute; top:-18px; left:0; right:0; text-align:center; font-size:11px; color:var(--text); }

.stock { height:6px; background:#2a2f3d; border-radius:4px; overflow:hidden; margin-top:6px; }
.stock > div { height:100%; background: var(--green); }
.stock.low > div { background: var(--accent); }
.stock.crit > div { background: var(--red); }

.row-flex { display:flex; justify-content:space-between; align-items:center; gap:10px; }
.tag { display:inline-block; font-size:11px; padding:2px 8px; border-radius:4px; background:#2a2f3d; color:var(--muted); margin-left:4px; }

.alert-row { padding:10px; background:var(--panel-2); border-radius:8px; }
.alert-row.red { border-left:3px solid var(--red); }
.alert-row.gold { border-left:3px solid var(--accent); }
.alert-row.blue { border-left:3px solid var(--blue); }
.alert-row.purple { border-left:3px solid var(--purple); }

.page-head { margin-bottom:16px; }
.page-head h1 { font-size:22px; margin:0 0 4px; }
.page-head .sub { color: var(--muted); font-size:13px; }

.flash { padding:10px 14px; border-radius:8px; margin-bottom:16px; font-size:13px; }
.flash.ok { background:#143a26; color:#86efac; border:1px solid #1e5735; }
.flash.err { background:#3a1414; color:#fca5a5; border:1px solid #5c2020; }

@media (max-width: 1100px) {
  .kpis, .grid-3 { grid-template-columns: 1fr 1fr; }
  .grid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position:relative; height:auto; }
  .kpis, .grid-3 { grid-template-columns: 1fr; }
}