:root{
  --bg:#0f172a;        /* slate-900 */
  --card:#111827;      /* gray-900 */
  --muted:#94a3b8;     /* slate-400 */
  --text:#e5e7eb;      /* gray-200 */
  --line:#1f2937;      /* gray-800 */
  --primary:#2563eb;   /* blue-600 */
  --danger:#ef4444;    /* red-500 */
  --success:#16a34a;   /* green-600 */
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;background:#0b1220;color:var(--text)}
.dark{background:var(--bg)}
.container{max-width:1140px;margin:24px auto;padding:0 16px}

.topbar{display:flex;align-items:center;gap:12px;background:#0b1220;border-bottom:1px solid var(--line);padding:14px 18px;position:sticky;top:0}
.topbar .brand{font-weight:700}
.topbar .spacer{flex:1}
.topbar .user{display:flex;gap:10px;align-items:center}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.card.full{grid-column:1/-1}
h1,h2{margin:0 0 12px}
.muted{color:var(--muted)}

.grid{display:grid;gap:16px}
.grid.two{grid-template-columns:1fr 1fr}
@media (max-width:900px){.grid.two{grid-template-columns:1fr}}

input,select,button{font:inherit}
input,select{
  width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--line);
  background:#0b1220;color:var(--text)
}
label{font-size:12px;color:var(--muted);margin-top:6px}
.btn{display:inline-block;padding:8px 12px;border-radius:10px;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.success,.alert{background:#052e1b;color:#b8ffd3;border:1px solid #14532d;padding:10px 12px;border-radius:10px;margin:12px 0}
.alert{background:#3f1d22;color:#ffe0e0;border-color:#7f1d1d}
.table-wrap{overflow:auto;border-radius:12px;border:1px solid var(--line)}
.table{width:100%;border-collapse:collapse;min-width:720px}
.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}
.table thead th{background:#0b1220;color:#cbd5e1}

.tabs{display:flex;gap:8px;margin:8px 0 16px}
.tab{background:#0b1220;border:1px solid var(--line);color:var(--text);padding:8px 12px;border-radius:999px;cursor:pointer}
.tab.active{background:var(--primary);border-color:var(--primary);color:#fff}
.tabpane{display:none}
.tabpane.active{display:block}

.avatar{width:34px;height:34px;border-radius:999px;object-fit:cover;border:1px solid var(--line)}
.avatar.placeholder{display:grid;place-items:center;background:#0b1220;color:var(--muted)}
.goals-list{display:grid;gap:10px}
.goal-item{display:flex;gap:10px;align-items:center}
.goal-name{min-width:220px}
.auth{display:grid;place-items:center;min-height:100vh}
.auth-card{width:min(420px,92vw)}