:root{
  --bg:#0b0f14; --panel:#111823; --panel2:#0e141d; --border:#1e2a38;
  --text:#e6edf3; --muted:#8496a9; --cyan:#22d3ee; --green:#34d399;
  --red:#f87171; --amber:#fbbf24; --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:'Segoe UI',system-ui,-apple-system,Arial,sans-serif;font-size:15px;line-height:1.5}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
code,.mono{font-family:'JetBrains Mono',ui-monospace,Consolas,monospace}
.small{font-size:12px}
.muted{color:var(--muted)}
.cyan{color:var(--cyan)} .red{color:var(--red)}

/* ---------- App shell ---------- */
.app{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--panel2);border-right:1px solid var(--border);padding:22px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{font-size:19px;font-weight:800;letter-spacing:.3px;margin-bottom:26px}
.brand span{color:var(--cyan)}
.sidebar nav{display:flex;flex-direction:column;gap:4px;flex:1}
.sidebar nav a{color:var(--muted);padding:10px 12px;border-radius:10px;font-weight:600}
.sidebar nav a:hover{background:#131c27;color:var(--text);text-decoration:none}
.sidebar nav a.active{background:linear-gradient(90deg,rgba(34,211,238,.16),transparent);color:var(--cyan)}
.logout button{width:100%;background:transparent;border:1px solid var(--border);color:var(--muted);padding:9px;border-radius:10px;cursor:pointer}
.logout button:hover{color:var(--text);border-color:var(--cyan)}
.admin-badge{background:rgba(248,113,113,.15);color:var(--red);padding:4px 10px;border-radius:20px;font-size:12px;font-weight:700}

.content{flex:1;padding:26px 30px;max-width:1200px}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.topbar h1{font-size:22px;margin:0}
.who{color:var(--muted);font-size:14px}

/* ---------- Cards ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:24px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;display:flex;flex-direction:column;gap:6px}
.card-label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.6px}
.card-value{font-size:26px;font-weight:800}

/* ---------- Panels / tables ---------- */
.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:20px}
.panel h2,.panel h3{margin-top:0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:900px){.grid-2{grid-template-columns:1fr}.sidebar{width:70px}.sidebar .brand,.sidebar nav a{font-size:0}}

.table{width:100%;border-collapse:collapse;font-size:14px}
.table th,.table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}
.table th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px}
.table tbody tr:hover{background:#0f1620}

/* ---------- Badges ---------- */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700}
.badge-green{background:rgba(52,211,153,.15);color:var(--green)}
.badge-amber{background:rgba(251,191,36,.15);color:var(--amber)}
.badge-red{background:rgba(248,113,113,.15);color:var(--red)}
.badge-gray{background:rgba(132,150,169,.15);color:var(--muted)}

/* ---------- Forms ---------- */
.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.form label{display:block;margin-bottom:12px;font-size:13px;color:var(--muted)}
.form input,.form select,.form textarea{width:100%;margin-top:5px;background:var(--panel2);border:1px solid var(--border);color:var(--text);padding:10px 12px;border-radius:10px;font-size:14px;font-family:inherit}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--cyan)}
.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}
.check{display:flex;align-items:center;gap:8px}
.check input{width:auto;margin:0}
.field-err{color:var(--red);font-size:12px;display:block;margin:-6px 0 10px}
.hidden{display:none}
.inline-select select{padding:4px 8px;border-radius:8px}
.kv{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.kv div{display:flex;justify-content:space-between;gap:10px;font-size:13px}
.kv span{color:var(--muted)}
.actions{display:flex;gap:10px}
.actions form{display:inline}

/* ---------- Buttons ---------- */
.btn{display:inline-block;border:none;cursor:pointer;padding:10px 18px;border-radius:10px;font-weight:700;font-size:14px;font-family:inherit}
.btn.block{width:100%;margin-top:8px}
.btn.lg{padding:14px 26px;font-size:16px}
.btn-cyan{background:var(--cyan);color:#04121a}
.btn-cyan:hover{background:#4ee2f5;text-decoration:none}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text)}
.btn-outline:hover{border-color:var(--cyan)}
.btn-group{display:flex;gap:10px}
.link-btn{background:none;border:none;color:var(--cyan);cursor:pointer;font-size:13px;font-family:inherit;padding:0}
.link-btn.danger{color:var(--red)}
.link{font-size:13px}

/* ---------- Alerts ---------- */
.alert{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:14px}
.alert.ok{background:rgba(52,211,153,.12);color:var(--green);border:1px solid rgba(52,211,153,.3)}
.alert.err{background:rgba(248,113,113,.12);color:var(--red);border:1px solid rgba(248,113,113,.3)}
.alert.amber{background:rgba(251,191,36,.12);color:var(--amber);border:1px solid rgba(251,191,36,.3)}

/* ---------- Auth ---------- */
body.auth{display:flex;align-items:center;justify-content:center;min-height:100vh;background:radial-gradient(1200px 600px at 50% -10%,#0f2029,#0b0f14)}
.auth-wrap{width:100%;max-width:420px;padding:20px}
.auth-brand{display:block;text-align:center;font-size:22px;font-weight:800;margin-bottom:18px;color:var(--text)}
.auth-brand span{color:var(--cyan)}
.auth-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:28px}
.auth-title{font-size:22px;margin:0 0 6px}
.auth-sub{color:var(--muted);margin:0 0 18px;font-size:14px}
.auth-alt{text-align:center;margin-top:16px;color:var(--muted);font-size:14px}
.auth-tag{text-align:center;color:var(--muted);margin-top:18px;font-size:13px}
.form-inline{text-align:center;margin-top:12px}
.otp-input{letter-spacing:10px;text-align:center;font-size:22px;font-weight:700}