/* ============ tokens: монохром ============ */
:root {
  --bg: #ffffff;
  --bg-2: #f5f5f5;
  --surface: #ffffff;
  --surface-2: #f4f4f4;
  --surface-3: #ebebeb;
  --border: #e8e8e8;
  --border-strong: #d6d6d6;
  --text: #0a0a0a;
  --text-2: #4d4d4d;
  --muted: #8c8c8c;
  --ink: #0a0a0a;
  --ink-hover: #262626;
  --paper: #ffffff;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 12px 40px -12px rgba(0, 0, 0, .12);
  --font: "Onest", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Unbounded", "Onest", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 var(--font);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
::selection { background: var(--ink); color: var(--paper); }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; letter-spacing: -.015em; }
.display { font-family: var(--display); font-weight: 500; letter-spacing: -.03em; }
.mono { font-family: var(--mono); font-size: .92em; }
.muted { color: var(--muted); }
.text-2 { color: var(--text-2); }
.danger { font-weight: 700; }
.hidden { display: none !important; }
.nowrap { white-space: nowrap; }

/* ============ logo ============ */
.logo { display: inline-flex; align-items: center; gap: 9px; font: 600 19px/1 var(--display); letter-spacing: -.04em; }
/* Знак — «C»: круг с вырезом справа, один контур с прозрачностью */
.logo-mark { width: 24px; height: 24px; flex: none; fill: var(--ink); }
.brand { text-transform: lowercase; }

/* ============ buttons ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 18px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: var(--paper);
  font-weight: 550; font-size: 14px; cursor: pointer; white-space: nowrap;
  transition: background .15s, border-color .15s, color .15s, opacity .15s, transform .05s;
}
.btn:hover { border-color: var(--ink); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .35; cursor: not-allowed; transform: none; }
.btn:disabled:hover { border-color: var(--border-strong); }
.btn svg { width: 16px; height: 16px; flex: none; }
.btn-primary { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--ink-hover); border-color: var(--ink-hover); }
.btn-primary:disabled:hover { background: var(--ink); border-color: var(--ink); }
.btn-ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--surface-2); color: var(--text); border-color: transparent; }
.btn-danger { color: var(--text); }
.btn-danger:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.btn-danger-solid { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-danger-solid:hover { background: var(--ink-hover); }
.btn-sm { height: 32px; padding: 0 12px; font-size: 13px; border-radius: 10px; }
.btn-lg { height: 52px; padding: 0 26px; font-size: 16px; border-radius: 12px; }
.btn-icon { width: 32px; padding: 0; }
.btn-block { width: 100%; }

/* ============ forms ============ */
.field { display: flex; flex-direction: column; gap: 6px; }
.field + .field { margin-top: 14px; }
.label { font-size: 13px; font-weight: 550; color: var(--text-2); }
.hint { font-size: 12px; color: var(--muted); }
.input, .select, .textarea {
  width: 100%; height: 44px; padding: 0 14px; border-radius: var(--radius-sm);
  background: var(--bg-2); border: 1px solid transparent; outline: none;
  transition: border-color .15s, background .15s;
}
.textarea { height: auto; min-height: 96px; padding: 12px 14px; resize: vertical; font-family: var(--mono); font-size: 12.5px; }
.input:hover, .select:hover, .textarea:hover { background: #efefef; }
.input:focus, .select:focus, .textarea:focus { border-color: var(--ink); background: var(--paper); }
.input:disabled { color: var(--muted); }
.input::placeholder, .textarea::placeholder { color: #ababab; }
.row { display: flex; gap: 10px; align-items: center; }
.row-wrap { flex-wrap: wrap; }
.grow { flex: 1; min-width: 0; }

/* ============ cards & layout ============ */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.card-pad { padding: 24px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 24px; border-bottom: 1px solid var(--border); }
.card-head h3 { font-size: 15px; font-weight: 650; }
.card-body { padding: 24px; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1100px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 720px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); } }

/* ============ badges / status ============
   В монохроме статус читается по заливке: работает — чёрная,
   операция — пунктир с мигающей точкой, проблема — обводка. */
.badge {
  display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; background: var(--surface-2); color: var(--text-2); white-space: nowrap;
  border: 1px solid transparent;
}
.badge-ok { background: var(--ink); color: var(--paper); }
.badge-warn { background: var(--paper); color: var(--text); border: 1px dashed var(--ink); }
.badge-danger { background: var(--paper); color: var(--text); border-color: var(--ink); }
.badge-danger .dot { border-radius: 1px; transform: rotate(45deg); }
.badge-accent { background: var(--surface-3); color: var(--text); }
.dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; flex: none; }
.dot-pulse { animation: pulse 1.1s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .15; } }

/* ============ tables ============ */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-size: 12px; font-weight: 550; color: var(--muted); padding: 14px 20px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.table td { padding: 16px 20px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table tr.clickable { cursor: pointer; }
.table tr.clickable:hover td { background: var(--bg-2); }
.table .num { text-align: right; font-variant-numeric: tabular-nums; }

/* ============ segmented ============ */
.seg { display: inline-flex; padding: 4px; gap: 2px; background: var(--bg-2); border-radius: 14px; }
.seg button { height: 34px; padding: 0 16px; border: 0; border-radius: 10px; background: transparent; color: var(--text-2); font-weight: 550; cursor: pointer; transition: background .15s, color .15s; }
.seg button:hover { color: var(--text); }
.seg button.active { background: var(--paper); color: var(--text); box-shadow: 0 1px 3px rgba(0, 0, 0, .1); }

/* ============ copyable ============ */
.copy { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; border-radius: 6px; padding: 2px 6px; margin: -2px -6px; transition: background .12s; }
.copy:hover { background: var(--surface-2); }
.copy svg { width: 13px; height: 13px; color: var(--muted); }

/* ============ toast ============ */
.toasts { position: fixed; right: 20px; bottom: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 100; max-width: calc(100vw - 40px); }
.toast {
  display: flex; align-items: center; gap: 10px; padding: 13px 18px; border-radius: 14px; min-width: 240px; max-width: 420px;
  background: var(--ink); color: var(--paper); box-shadow: var(--shadow); font-weight: 500;
  animation: toast-in .2s ease-out;
}
.toast .dot { width: 6px; height: 6px; }
.toast.error { background: var(--paper); color: var(--text); border: 1.5px solid var(--ink); }
.toast.error .dot { border-radius: 1px; transform: rotate(45deg); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

/* ============ modal ============ */
.modal-back { position: fixed; inset: 0; background: rgba(10, 10, 10, .32); backdrop-filter: blur(6px); display: grid; place-items: center; z-index: 90; padding: 16px; animation: fade .15s; }
.modal { width: 100%; max-width: 460px; background: var(--paper); border-radius: 18px; box-shadow: 0 30px 80px -20px rgba(0, 0, 0, .35); animation: pop .18s ease-out; }
.modal-head { padding: 24px 26px 0; }
.modal-head h3 { font-size: 18px; }
.modal-body { padding: 14px 26px 4px; color: var(--text-2); }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 20px 26px 24px; }
@keyframes fade { from { opacity: 0; } }
@keyframes pop { from { opacity: 0; transform: scale(.97) translateY(6px); } }

/* ============ spinner ============ */
.spinner { width: 18px; height: 18px; border: 2px solid var(--surface-3); border-top-color: var(--ink); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading { display: grid; place-items: center; padding: 60px 0; }