:root {
  color-scheme: dark;
  --ink: #080d13;
  --panel: #101923;
  --panel-2: #141f2a;
  --line: #263543;
  --text: #eef4f1;
  --muted: #91a0a8;
  --amber: #f3b85b;
  --mint: #79d4c7;
  --danger: #ef8b83;
  --shadow: 0 18px 50px rgba(0, 0, 0, .24);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; color: var(--text); background: var(--ink); }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }
.auth-shell { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at 17% 18%, #17303a 0, transparent 28%), var(--ink); }
.auth-card { width: min(480px, 100%); padding: 39px 42px 32px; border: 1px solid var(--line); background: rgba(16, 25, 35, .94); box-shadow: var(--shadow); position: relative; overflow: hidden; }
.auth-card::before { content: ""; position: absolute; left: 0; top: 0; right: 0; height: 4px; background: var(--amber); }
.brand { display: flex; align-items: center; gap: 11px; }
.login-brand .brand-mark, .brand-mark { width: 34px; height: 34px; display: grid; place-items: center; background: var(--amber); color: #17120b; font-weight: 900; border-radius: 50%; }
.login-brand strong { font-size: 16px; }
h1, h2, h3, p { margin: 0; }
.auth-card h1 { margin: 19px 0 12px; font-size: clamp(30px, 6vw, 46px); letter-spacing: -.045em; line-height: .98; }
.auth-intro { color: var(--muted); line-height: 1.6; }
.auth-tabs { display: flex; gap: 20px; margin: 28px 0 3px; border-bottom: 1px solid var(--line); }
.auth-tabs button { padding: 0 0 11px; border: 0; border-bottom: 2px solid transparent; color: var(--muted); background: transparent; }
.auth-tabs button.active { color: var(--text); border-bottom-color: var(--amber); }
.field { display: grid; gap: 8px; margin-top: 18px; }
.field label { color: var(--muted); font-size: 13px; }
input, textarea { width: 100%; color: var(--text); background: #0b131c; border: 1px solid var(--line); padding: 12px 13px; outline: none; border-radius: 4px; }
input:focus, textarea:focus { border-color: var(--amber); box-shadow: 0 0 0 3px rgba(243, 184, 91, .12); }
.button { border: 1px solid transparent; border-radius: 4px; padding: 11px 15px; background: var(--amber); color: #14100a; font-weight: 750; transition: transform .16s ease, filter .16s ease; }
.button:hover { filter: brightness(1.07); transform: translateY(-1px); }
.button.secondary { background: transparent; color: var(--text); border-color: var(--line); }
.button.danger { color: #1b0d0c; background: var(--danger); }
.button.small { padding: 7px 10px; font-size: 12px; }
.button.full { width: 100%; margin-top: 18px; }
.button:disabled { opacity: .55; cursor: wait; transform: none; }
.form-error { min-height: 21px; margin-top: 10px; color: var(--danger); font-size: 13px; }
.auth-footnote, .admin-link { margin-top: 18px; color: var(--muted); font-size: 12px; line-height: 1.6; }
a { color: var(--amber); }
.admin-link { margin-top: 11px; }
.app { min-height: 100vh; display: grid; grid-template-columns: 238px minmax(0, 1fr); }
.rail { border-right: 1px solid var(--line); background: #0b121a; padding: 26px 18px 18px; display: flex; flex-direction: column; }
.rail .brand { padding: 0 9px 30px; }
.rail .brand strong { display: block; font-size: 14px; letter-spacing: .02em; }
.rail .brand span { display: block; color: var(--muted); font-size: 11px; margin-top: 3px; }
.nav { display: grid; gap: 4px; }
.nav button { text-align: left; border: 0; border-left: 2px solid transparent; border-radius: 0; padding: 12px 10px; color: var(--muted); background: transparent; }
.nav button:hover, .nav button.active { color: var(--text); border-left-color: var(--amber); background: #111e29; }
.rail-footer { margin-top: auto; padding: 15px 10px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.6; }
.rail-footer strong { color: var(--mint); font-size: 22px; font-weight: 600; }
.main { min-width: 0; padding: 30px clamp(20px, 4vw, 52px) 50px; }
.topbar { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 31px; }
.topbar h1 { font-size: clamp(26px, 4vw, 42px); letter-spacing: -.04em; line-height: 1; }
.topbar p { margin-top: 9px; color: var(--muted); font-size: 14px; }
.top-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.status { display: inline-flex; align-items: center; gap: 8px; height: 37px; padding: 0 12px; border: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 4px rgba(121, 212, 199, .1); }
.status.error { color: var(--danger); }
.status.error::before { background: var(--danger); box-shadow: 0 0 0 4px rgba(239, 139, 131, .1); }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-bottom: 28px; }
.stat { min-height: 132px; padding: 19px 20px 17px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat-label { color: var(--muted); font-size: 12px; }
.stat-value { margin-top: 21px; font-size: clamp(25px, 4vw, 36px); letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.stat-note { margin-top: 7px; color: var(--mint); font-size: 12px; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin: 30px 0 12px; }
.section-head h2 { font-size: 18px; letter-spacing: -.02em; }
.section-head p { color: var(--muted); font-size: 12px; }
.panel { border: 1px solid var(--line); background: var(--panel); box-shadow: 0 8px 26px rgba(0, 0, 0, .1); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 650px; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; font-size: 13px; }
th { color: var(--muted); font: 600 11px/1.2 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .05em; text-transform: uppercase; }
tr:last-child td { border-bottom: 0; }
td { color: #d9e3df; }
td strong { color: var(--text); font-weight: 650; }
.mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px; }
.muted { color: var(--muted); font-size: 12px; }
.pill { display: inline-flex; align-items: center; border: 1px solid var(--line); padding: 4px 8px; border-radius: 99px; color: var(--muted); font-size: 11px; }
.pill.ok { color: var(--mint); border-color: rgba(121, 212, 199, .3); }
.pill.off { color: var(--danger); border-color: rgba(239, 139, 131, .3); }
.empty { padding: 42px 20px; text-align: center; color: var(--muted); }
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; margin-bottom: 18px; }
.split { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(290px, .8fr); gap: 22px; align-items: start; }
.form-panel { padding: 21px; }
.form-panel h2 { font-size: 18px; }
.form-panel p { margin-top: 7px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px; margin-top: 20px; }
.form-grid .field { margin-top: 0; }
.form-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }
.actions { display: flex; flex-wrap: wrap; gap: 6px; }
.recharge-note { margin-top: 20px; padding: 13px 15px; border-left: 3px solid var(--amber); background: #0b131c; color: var(--muted); font-size: 12px; line-height: 1.55; }
.metric-list { display: grid; gap: 0; margin-top: 18px; border-top: 1px solid var(--line); }
.metric-row { display: flex; justify-content: space-between; gap: 18px; padding: 12px 0; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.metric-row strong, .metric-row code { color: var(--text); font-size: 12px; text-align: right; word-break: break-all; }
.code-block { margin: 18px 0 16px; padding: 15px 16px; overflow: auto; border-left: 3px solid var(--amber); background: #0b131c; color: var(--amber); font: 12px/1.8 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: nowrap; }
.ledger-credit { color: var(--mint); font-variant-numeric: tabular-nums; }
.page-footer { display: flex; justify-content: space-between; gap: 12px; margin-top: 34px; color: var(--muted); font-size: 11px; }
.key-dialog { width: min(560px, calc(100vw - 28px)); padding: 0; border: 1px solid var(--line); color: var(--text); background: var(--panel); box-shadow: var(--shadow); }
.key-dialog::backdrop { background: rgba(4, 8, 12, .74); backdrop-filter: blur(3px); }
.dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 19px 22px; border-bottom: 1px solid var(--line); }
.dialog-head h2 { font-size: 18px; }
.dialog-body { padding: 21px 22px 4px; }
.dialog-body > p { line-height: 1.55; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 18px 22px 22px; }
.icon-button { display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid var(--line); border-radius: 50%; color: var(--muted); background: transparent; font-size: 18px; line-height: 1; }
textarea { resize: vertical; font: 12px/1.5 ui-monospace, SFMono-Regular, Consolas, monospace; }
.toast { position: fixed; right: 22px; bottom: 22px; z-index: 20; max-width: min(380px, calc(100vw - 44px)); padding: 13px 16px; border: 1px solid var(--line); background: #17232e; box-shadow: var(--shadow); color: var(--text); font-size: 13px; }
.toast.error { color: var(--danger); }
.key-table { min-width: 1120px; }
.key-table td { vertical-align: top; white-space: normal; }
.key-value { display: flex; align-items: flex-start; gap: 8px; min-width: 330px; }
.key-value code { color: var(--amber); font: 12px/1.5 ui-monospace, SFMono-Regular, Consolas, monospace; word-break: break-all; }
.key-value .button { flex: 0 0 auto; }
.note-cell { display: flex; align-items: center; gap: 8px; min-width: 150px; }
.note-cell > span { overflow-wrap: anywhere; }
.key-toolbar { margin-bottom: 20px; }
.key-cell { max-width: 180px; overflow-wrap: anywhere; white-space: normal; }
.button.tiny { padding: 5px 8px; font-size: 11px; }
.button.danger { color: var(--danger); border-color: rgba(239, 139, 131, .35); background: transparent; }
.button.danger:hover { background: rgba(239, 139, 131, .1); }
.button:disabled { cursor: not-allowed; opacity: .45; }
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .rail { border-right: 0; border-bottom: 1px solid var(--line); padding: 14px 16px; }
  .rail .brand { padding: 0 3px 12px; }
  .nav { display: flex; overflow-x: auto; }
  .nav button { flex: 0 0 auto; border-left: 0; border-bottom: 2px solid transparent; padding: 9px 11px; }
  .nav button:hover, .nav button.active { border-bottom-color: var(--amber); }
  .rail-footer { display: none; }
  .main { padding-top: 24px; }
}
@media (max-width: 680px) {
  .auth-card { padding: 30px 23px 25px; }
  .topbar { display: block; }
  .top-actions { justify-content: flex-start; margin-top: 18px; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n + 2) { border-bottom: 1px solid var(--line); }
  .split, .form-grid { grid-template-columns: 1fr; }
  .page-footer { display: block; line-height: 1.8; }
  .page-footer span { display: block; }
  .metric-row { align-items: flex-start; flex-direction: column; gap: 5px; }
  .metric-row strong, .metric-row code { text-align: left; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; } }