:root {
  --bg: #0f1115; --panel: #171a21; --panel-2: #1e222b; --border: #2a2f3a;
  --text: #e6e8ee; --muted: #8b93a7; --brand: #5865f2; --brand-2: #4752c4;
  --ok: #3ba55d; --warn: #faa61a; --danger: #ed4245; --radius: 12px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); min-height: 100%; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
.loading { padding: 4rem; text-align: center; color: var(--muted); }

/* ── Login ── */
.login { min-height: 100vh; display: grid; place-items: center; padding: 1rem; }
.login-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 2.5rem; width: min(420px, 100%); text-align: center; }
.login-card h1 { margin: 0 0 .25rem; font-size: 1.5rem; }
.login-card p { color: var(--muted); margin: 0 0 1.5rem; }
.logo { width: 56px; height: 56px; border-radius: 16px; background: var(--brand); display: grid; place-items: center; margin: 0 auto 1rem; font-size: 1.6rem; }

/* ── Layout ── */
.shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar { background: var(--panel); border-right: 1px solid var(--border); padding: 1rem; display: flex; flex-direction: column; gap: .5rem; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; align-items: center; gap: .75rem; padding: .5rem .5rem 1rem; border-bottom: 1px solid var(--border); margin-bottom: .5rem; }
.brand img, .brand .logo { width: 40px; height: 40px; border-radius: 12px; margin: 0; font-size: 1.2rem; }
.brand strong { display: block; font-size: .95rem; }
.brand small { color: var(--muted); }
.nav a { display: flex; gap: .6rem; align-items: center; padding: .6rem .75rem; border-radius: 8px; text-decoration: none; color: var(--muted); }
.nav a:hover { background: var(--panel-2); color: var(--text); }
.nav a.active { background: var(--brand); color: #fff; }
.me { margin-top: auto; display: flex; align-items: center; gap: .6rem; padding: .5rem; border-top: 1px solid var(--border); padding-top: 1rem; }
.me img { width: 34px; height: 34px; border-radius: 50%; }
.me .who { flex: 1; min-width: 0; }
.me .who strong { display: block; font-size: .9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.me .who small { color: var(--muted); }
main { padding: 1.5rem clamp(1rem, 3vw, 2.5rem); max-width: 1200px; width: 100%; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.25rem; }
.page-head h1 { margin: 0; font-size: 1.4rem; }
.page-head p { margin: .25rem 0 0; color: var(--muted); }

/* ── Components ── */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.25rem; }
.card + .card, .grid + .card, .card + .grid { margin-top: 1rem; }
.card h2 { margin: 0 0 1rem; font-size: 1.05rem; }
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.25rem; }
.stat .label { color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
.stat .value { font-size: 1.7rem; font-weight: 700; margin-top: .25rem; }
.stat .sub { color: var(--muted); font-size: .85rem; }
.btn { background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px; padding: .55rem .95rem; cursor: pointer; display: inline-flex; gap: .4rem; align-items: center; text-decoration: none; }
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: var(--brand-2); }
.btn.danger { color: var(--danger); }
.btn.danger:hover { background: rgba(237,66,69,.12); border-color: var(--danger); }
.btn.sm { padding: .3rem .6rem; font-size: .85rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
.form { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.field { display: grid; gap: .35rem; }
.field label { font-size: .85rem; color: var(--muted); }
.field.full { grid-column: 1 / -1; }
input[type=text], input[type=search], select, textarea { width: 100%; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: .55rem .7rem; }
textarea { min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brand); outline-offset: 0; border-color: transparent; }
.switch { display: flex; align-items: center; gap: .6rem; cursor: pointer; }
.switch input { width: 42px; height: 24px; appearance: none; background: var(--border); border-radius: 12px; position: relative; cursor: pointer; transition: .15s; }
.switch input::after { content: ""; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: .15s; }
.switch input:checked { background: var(--ok); }
.switch input:checked::after { left: 21px; }
.actions { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; margin-top: 1rem; }
.hint { color: var(--muted); font-size: .85rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .6rem .5rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
tr:last-child td { border-bottom: 0; }
.user { display: inline-flex; align-items: center; gap: .5rem; }
.user img { width: 24px; height: 24px; border-radius: 50%; }
.user code { color: var(--muted); font-size: .8rem; }
.badge { display: inline-block; padding: .15rem .5rem; border-radius: 999px; font-size: .75rem; font-weight: 600; background: var(--panel-2); border: 1px solid var(--border); }
.badge.ok { color: var(--ok); border-color: rgba(59,165,93,.4); }
.badge.warn { color: var(--warn); border-color: rgba(250,166,26,.4); }
.badge.danger { color: var(--danger); border-color: rgba(237,66,69,.4); }
.badge.brand { color: #aab2ff; border-color: rgba(88,101,242,.5); }
.empty { color: var(--muted); text-align: center; padding: 2rem 1rem; }
.tabs { display: inline-flex; background: var(--panel-2); border-radius: 8px; padding: .25rem; gap: .25rem; }
.tabs button { background: transparent; border: 0; padding: .4rem .8rem; border-radius: 6px; cursor: pointer; color: var(--muted); }
.tabs button.active { background: var(--brand); color: #fff; }
.chart { width: 100%; height: 180px; display: block; }
.legend { display: flex; gap: 1rem; color: var(--muted); font-size: .85rem; margin-top: .5rem; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: .35rem; }
.inline-form { display: flex; gap: .5rem; flex-wrap: wrap; }
.inline-form input { flex: 1; min-width: 200px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: .4rem 1rem; font-size: .92rem; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.chips { display: flex; gap: .35rem; flex-wrap: wrap; }
.chip { font-size: .8rem; padding: .15rem .55rem; border-radius: 999px; border: 1px solid var(--border); }
.alert { padding: .75rem 1rem; border-radius: 8px; border: 1px solid; margin-bottom: 1rem; }
.alert.danger { color: #ffb3b4; border-color: rgba(237,66,69,.5); background: rgba(237,66,69,.08); }
.alert.info { color: #c5caff; border-color: rgba(88,101,242,.5); background: rgba(88,101,242,.1); }
#toasts { position: fixed; right: 1rem; bottom: 1rem; display: grid; gap: .5rem; z-index: 10; }
.toast { background: var(--panel-2); border: 1px solid var(--border); border-left: 4px solid var(--ok); padding: .7rem 1rem; border-radius: 8px; min-width: 240px; box-shadow: 0 8px 24px rgba(0,0,0,.4); }
.toast.error { border-left-color: var(--danger); }
.bar { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; min-width: 110px; }
.bar i { display: block; height: 100%; background: var(--brand); }
.chip.ok { border-color: rgba(59,165,93,.5); }
.chip.danger { border-color: rgba(237,66,69,.5); }
input[type=number] { width: 100%; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: .55rem .7rem; }
.menu-toggle { display: none; }
@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--border); }
  .nav { display: flex; flex-wrap: wrap; gap: .25rem; }
  .me { margin-top: .5rem; }
}