:root {
    --bg: #0e1116;
    --bg-elev: #161b22;
    --bg-elev2: #1c232d;
    --border: #2a323d;
    --text: #e6edf3;
    --text-dim: #9aa7b4;
    --muted: #6e7b8a;
    --accent: #4c8bf5;
    --accent-press: #3b73d6;
    --danger: #e5534b;
    --danger-press: #c9403a;
    --ok: #3fb950;
    --warn: #d29922;
    --mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
    --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--sans);
    font-size: 15px;
    line-height: 1.5;
}

code { font-family: var(--mono); font-size: 0.9em; }

/* ---- app shell ------------------------------------------------------------ */
.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }

.sidebar {
    background: var(--bg-elev);
    border-right: 1px solid var(--border);
    padding: 20px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; padding: 0 6px; }
.brand-mark {
    display: inline-grid; place-items: center;
    width: 34px; height: 34px; border-radius: 8px;
    background: linear-gradient(135deg, var(--accent), #7b5cff);
    color: #fff; font-weight: 700; font-size: 14px; letter-spacing: 0.5px;
}
.brand-name { font-weight: 600; line-height: 1.15; }
.brand-name small { color: var(--muted); font-weight: 400; font-size: 11px; }

.nav-item {
    display: block; padding: 8px 12px; border-radius: 7px;
    color: var(--text-dim); text-decoration: none; font-size: 14px;
    border: none; background: none; width: 100%; text-align: left; cursor: pointer;
    font-family: inherit;
}
.nav-item:hover { background: var(--bg-elev2); color: var(--text); }
.nav-item.active { background: var(--accent); color: #fff; }
.nav-spacer { flex: 1; }
.logout-form { margin: 0; }
.nav-logout { color: var(--muted); }
.nav-logout:hover { color: var(--danger); background: var(--bg-elev2); }

.content { padding: 28px 34px; max-width: 1000px; }

/* ---- headings / pages ----------------------------------------------------- */
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
h1 { font-size: 22px; margin: 0; }
h2 { font-size: 15px; margin: 0 0 14px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.6px; }

.muted { color: var(--muted); }
.small { font-size: 12.5px; }

/* ---- cards ---------------------------------------------------------------- */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 22px; }
.card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px; }
.card-label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.card-value { font-size: 28px; font-weight: 650; margin: 4px 0 2px; }
.card-sub { color: var(--text-dim); font-size: 12.5px; }

/* ---- panels --------------------------------------------------------------- */
.panel { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 10px; padding: 20px 22px; margin-bottom: 20px; }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 8px 24px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

/* ---- table ---------------------------------------------------------------- */
.grid { width: 100%; border-collapse: collapse; }
.grid th, .grid td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.grid th { color: var(--muted); font-weight: 500; font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.4px; }
.grid tbody tr:hover { background: var(--bg-elev2); }
.grid .num { text-align: right; font-variant-numeric: tabular-nums; }
.grid .right { text-align: right; white-space: nowrap; }
.confirm { color: var(--warn); margin-right: 8px; font-size: 13px; }

/* ---- forms & buttons ------------------------------------------------------ */
.create-row { display: flex; gap: 10px; margin-bottom: 6px; }
.create-row input { flex: 1; }

input {
    background: var(--bg); border: 1px solid var(--border); border-radius: 7px;
    color: var(--text); padding: 9px 12px; font-size: 14px; font-family: inherit;
}
input:focus { outline: none; border-color: var(--accent); }

.btn {
    background: var(--bg-elev2); border: 1px solid var(--border); border-radius: 7px;
    color: var(--text); padding: 8px 14px; font-size: 14px; cursor: pointer; font-family: inherit;
}
.btn:hover:not(:disabled) { border-color: var(--muted); }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-press); border-color: var(--accent-press); }
.btn-danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-danger:hover:not(:disabled) { background: var(--danger-press); }
.btn-block { width: 100%; }

/* ---- alerts --------------------------------------------------------------- */
.alert { border-radius: 8px; padding: 12px 14px; margin: 12px 0 0; font-size: 14px; border: 1px solid; }
.alert-error { background: rgba(229,83,75,0.1); border-color: rgba(229,83,75,0.4); color: #ffb3ad; }
.alert-warn { background: rgba(210,153,34,0.1); border-color: rgba(210,153,34,0.4); color: #f0c26b; }
.alert-key { background: rgba(63,185,80,0.08); border-color: rgba(63,185,80,0.35); color: var(--text); }
.keybox { display: block; background: var(--bg); border: 1px solid var(--border); border-radius: 6px;
          padding: 10px 12px; margin: 10px 0; word-break: break-all; color: var(--ok); }

/* ---- login ---------------------------------------------------------------- */
.bare { display: grid; place-items: center; min-height: 100vh; padding: 20px; }
.login-card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 12px;
              padding: 32px 30px; width: 100%; max-width: 360px; }
.login-brand { justify-content: center; margin-bottom: 24px; }
.field { display: block; margin-bottom: 16px; }
.field span { display: block; color: var(--text-dim); font-size: 13px; margin-bottom: 6px; }
.field input { width: 100%; }
.login-note { color: var(--muted); font-size: 12px; text-align: center; margin: 16px 0 0; }
.login-brand .brand-name { font-size: 16px; }
.login-wide { max-width: 480px; }

.link { color: var(--accent); text-decoration: none; }
.link:hover { text-decoration: underline; }

.code {
    background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
    padding: 14px 16px; overflow-x: auto; font-family: var(--mono); font-size: 12.5px;
    line-height: 1.6; color: var(--text); margin: 0; white-space: pre;
}

/* ---- tenant self-view ----------------------------------------------------- */
.self { width: 100%; max-width: 640px; }
.self-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.self-head .brand { margin-bottom: 0; }

@media (max-width: 720px) {
    .app { grid-template-columns: 1fr; }
    .sidebar { flex-direction: row; align-items: center; overflow-x: auto; }
    .nav-spacer { display: none; }
    .content { padding: 20px; }
}