/* K-AI — общая тема: тёплая бумажная палитра, светлая и тёмная версии */
:root {
  --bg: #f6f1e7;
  --bg-2: #efe7d7;
  --panel: #fffaf1;
  --panel-2: #f4ecdd;
  --panel-3: #e9dfcb;
  --line: #e2d6bf;
  --line-soft: #ebe2cf;
  --text: #2b2119;
  --muted: #7d6c5a;
  --muted-2: #a89a86;
  --accent: #b4532c;
  --accent-2: #93401f;
  --accent-soft: rgba(180, 83, 44, .10);
  --accent-line: rgba(180, 83, 44, .32);
  --ok: #4d7a4a;
  --err: #b03a2e;
  --warn: #b7791f;
  --code-bg: #2a231d;
  --code-head: #352c24;
  --code-text: #f1e6d6;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 34px rgba(74, 47, 24, .14);
  --grad: linear-gradient(135deg, #c8653a, #9a4321);
  --serif: "Iowan Old Style", "Palatino Linotype", Georgia, "Times New Roman", serif;
  --sans: -apple-system, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", Consolas, "Courier New", monospace;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #17140f;
  --bg-2: #1e1a14;
  --panel: #241f18;
  --panel-2: #2c261d;
  --panel-3: #373023;
  --line: #3d3427;
  --line-soft: #312a1f;
  --text: #f2ead9;
  --muted: #a89a83;
  --muted-2: #7d715e;
  --accent: #d9764a;
  --accent-2: #ea9268;
  --accent-soft: rgba(217, 118, 74, .14);
  --accent-line: rgba(217, 118, 74, .38);
  --ok: #7aa86f;
  --err: #d9665a;
  --warn: #d9a24a;
  --code-bg: #120f0b;
  --code-head: #1d1913;
  --code-text: #e9dfcd;
  --shadow: 0 10px 34px rgba(0, 0, 0, .55);
  --grad: linear-gradient(135deg, #d9764a, #a8471f);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font: 15px/1.6 var(--sans);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  transition: background .25s, color .25s;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }
::selection { background: var(--accent-soft); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--panel-3); border-radius: 8px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--muted-2); }

h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -.2px; }

/* --- шапка --- */
.top {
  display: flex; align-items: center; gap: 18px;
  padding: 12px 22px; border-bottom: 1px solid var(--line-soft);
  background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 9px; font-family: var(--serif); font-weight: 600; letter-spacing: .2px; font-size: 18px; }
.brand .dot {
  width: 12px; height: 12px; border-radius: 50%; background: var(--grad);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.brand b { color: var(--accent); font-weight: 600; }
.nav { display: flex; gap: 4px; margin-left: 6px; }
.nav button {
  padding: 7px 14px; border-radius: 999px; border: 1px solid transparent;
  background: transparent; color: var(--muted); font-size: 14px;
}
.nav button:hover { color: var(--text); background: var(--panel-2); }
.nav button.active { color: var(--accent-2); background: var(--accent-soft); border-color: var(--accent-line); }
.top .spacer { flex: 1; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--panel); font-size: 13px; color: var(--muted);
}
.chip b { color: var(--text); font-weight: 600; }

/* --- кнопки --- */
.btn {
  padding: 9px 16px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--panel); color: var(--text); transition: .15s;
}
.btn:hover { border-color: var(--accent-line); background: var(--panel-2); }
.btn.primary { background: var(--grad); border: 0; color: #fff; font-weight: 600; }
.btn.primary:hover { filter: brightness(1.07); box-shadow: 0 6px 20px rgba(180, 83, 44, .30); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--err); border-color: color-mix(in srgb, var(--err) 35%, transparent); }
.btn.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 35%, transparent); }
.btn:disabled { opacity: .45; cursor: default; }

/* --- поля --- */
input[type=text], input[type=password], input[type=email], input[type=number], select, textarea {
  width: 100%; padding: 10px 14px; border-radius: var(--radius-sm);
  background: var(--panel); border: 1px solid var(--line); color: var(--text);
  transition: .15s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft);
}

/* --- карточки --- */
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .4) inset;
}
:root[data-theme="dark"] .card { box-shadow: none; }
.card.hover:hover { border-color: var(--accent-line); }

/* --- бейджи --- */
.badge {
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  font-size: 12px; border: 1px solid var(--line); color: var(--muted);
}
.badge.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 35%, transparent); background: color-mix(in srgb, var(--ok) 10%, transparent); }
.badge.err { color: var(--err); border-color: color-mix(in srgb, var(--err) 35%, transparent); background: color-mix(in srgb, var(--err) 10%, transparent); }
.badge.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 35%, transparent); background: color-mix(in srgb, var(--warn) 10%, transparent); }
.badge.acc { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }

/* --- таблицы --- */
table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: 14px; }
th, td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--line-soft); }
th { background: var(--panel-2); color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* --- уведомление --- */
.toast {
  position: fixed; bottom: 22px; right: 22px; z-index: 100;
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 12px 18px; font-size: 14px; box-shadow: var(--shadow);
  opacity: 0; transform: translateY(8px); transition: .2s; pointer-events: none;
}
.toast.show { opacity: 1; transform: none; }
.toast.err { border-color: color-mix(in srgb, var(--err) 45%, transparent); color: var(--err); }

/* --- индикатор «печатает» --- */
.status { color: var(--muted); font-size: 14px; display: flex; align-items: center; gap: 9px; }
.status.err { color: var(--err); }
.dots { display: inline-flex; gap: 4px; }
.dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); opacity: .3; animation: blink 1.2s infinite; }
.dots i:nth-child(2) { animation-delay: .2s; }
.dots i:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .25; transform: translateY(0); } 40% { opacity: 1; transform: translateY(-2px); } }