:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --surface-2: #f1f0ed;
  --border: #e2e0da;
  --text: #1d1c1a;
  --text-dim: #6b6862;
  --accent: #b8562f;
  --accent-soft: #f6ebe5;
  --ok: #2f7a4f;
  --warn: #9a6b12;
  --danger: #a33028;
  --radius: 12px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #191817;
    --surface: #201f1e;
    --surface-2: #282725;
    --border: #35332f;
    --text: #ecebe8;
    --text-dim: #9b968d;
    --accent: #e08055;
    --accent-soft: #33251f;
    --ok: #6fbb8c;
    --warn: #d9ab53;
    --danger: #e0796e;
  }
}

/* Тема Telegram задаётся явно: webview не всегда сообщает prefers-color-scheme. */
:root[data-theme="dark"] {
  --bg: #191817;
  --surface: #201f1e;
  --surface-2: #282725;
  --border: #35332f;
  --text: #ecebe8;
  --text-dim: #9b968d;
  --accent: #e08055;
  --accent-soft: #33251f;
  --ok: #6fbb8c;
  --warn: #d9ab53;
  --danger: #e0796e;
}
:root[data-theme="light"] {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --surface-2: #f1f0ed;
  --border: #e2e0da;
  --text: #1d1c1a;
  --text-dim: #6b6862;
  --accent: #b8562f;
  --accent-soft: #f6ebe5;
  --ok: #2f7a4f;
  --warn: #9a6b12;
  --danger: #a33028;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
}

.app { display: flex; flex-direction: column; height: 100vh; height: 100dvh; }

/* --- шапка --- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.mark {
  width: 34px; height: 34px; flex-shrink: 0;
  display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent);
  border-radius: 9px; font-size: 17px;
}
.brand-name { font-weight: 600; letter-spacing: -0.01em; }
.brand-sub { font-size: 12px; color: var(--text-dim); }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.indicators { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; padding: 3px 9px; border-radius: 99px;
  background: var(--surface-2); color: var(--text-dim);
  border: 1px solid var(--border); white-space: nowrap;
}
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--text-dim); }
.pill.ok .dot { background: var(--ok); }
.pill.off .dot { background: var(--warn); }

/* --- кнопки --- */
.btn {
  font: inherit; font-size: 14px; cursor: pointer;
  border-radius: 8px; border: 1px solid transparent;
  padding: 7px 14px; transition: background .15s, border-color .15s, opacity .15s;
}
.btn:disabled { opacity: .5; cursor: default; }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text-dim); }
.btn-ghost:hover:not(:disabled) { background: var(--surface-2); color: var(--text); }
.btn-primary {
  background: var(--accent); color: #fff;
  display: grid; place-items: center; width: 38px; height: 38px; padding: 0;
}
.btn-primary:hover:not(:disabled) { filter: brightness(1.06); }
.btn-approve { background: var(--ok); color: #fff; }
.btn-approve:hover:not(:disabled) { filter: brightness(1.08); }
.btn-reject { background: transparent; border-color: var(--border); color: var(--danger); }
.btn-reject:hover:not(:disabled) { background: var(--surface-2); }

/* --- чат --- */
.chat { flex: 1; overflow-y: auto; scroll-behavior: smooth; }
#messages { max-width: 820px; margin: 0 auto; padding: 24px 20px 8px; }

.welcome { max-width: 820px; margin: 0 auto; padding: 56px 20px 8px; }
.welcome h1 { font-size: 26px; margin: 0 0 10px; letter-spacing: -0.02em; }
.welcome-sub { color: var(--text-dim); margin: 0 0 22px; max-width: 62ch; }
.suggestions { display: flex; flex-wrap: wrap; gap: 8px; }
.suggestions button {
  font: inherit; font-size: 13.5px; cursor: pointer;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text); padding: 8px 13px; border-radius: 99px;
}
.suggestions button:hover { border-color: var(--accent); color: var(--accent); }
.welcome.hidden { display: none; }

.msg { margin-bottom: 26px; }
.msg-role { font-size: 12px; font-weight: 600; color: var(--text-dim); margin-bottom: 6px; letter-spacing: .02em; }
.msg.user .bubble {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 15px; white-space: pre-wrap; overflow-wrap: anywhere;
}
.msg.assistant .bubble { overflow-wrap: anywhere; }

/* --- разметка ответа --- */
.bubble > :first-child { margin-top: 0; }
.bubble > :last-child { margin-bottom: 0; }
.bubble h1, .bubble h2, .bubble h3 { line-height: 1.35; margin: 20px 0 8px; letter-spacing: -0.01em; }
.bubble h1 { font-size: 19px; } .bubble h2 { font-size: 17px; } .bubble h3 { font-size: 15.5px; }
.bubble p { margin: 0 0 11px; }
.bubble ul, .bubble ol { margin: 0 0 11px; padding-left: 22px; }
.bubble li { margin-bottom: 4px; }
.bubble code {
  font-family: var(--mono); font-size: .875em;
  background: var(--surface-2); padding: 1.5px 5px; border-radius: 5px;
}
.bubble pre {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 14px; overflow-x: auto; margin: 0 0 12px;
}
.bubble pre code { background: none; padding: 0; font-size: 13px; }
.bubble blockquote {
  margin: 0 0 12px; padding: 2px 0 2px 14px;
  border-left: 3px solid var(--border); color: var(--text-dim);
}
.bubble a { color: var(--accent); }
.bubble table {
  border-collapse: collapse; width: 100%; margin: 0 0 12px;
  font-size: 14px; display: block; overflow-x: auto;
}
.bubble th, .bubble td { border: 1px solid var(--border); padding: 7px 10px; text-align: left; vertical-align: top; }
.bubble th { background: var(--surface-2); font-weight: 600; }

/* --- активность инструментов --- */
.activity { display: flex; flex-direction: column; gap: 5px; margin: 0 0 12px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; align-self: flex-start;
  font-size: 12.5px; color: var(--text-dim);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 99px; padding: 4px 12px;
}
.chip.running .spark { animation: pulse 1.1s ease-in-out infinite; }
.chip .spark { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.chip.done .spark { background: var(--ok); }
.chip.fail .spark { background: var(--danger); }
.chip.declined .spark { background: var(--warn); }
@keyframes pulse { 0%, 100% { opacity: .3; } 50% { opacity: 1; } }

.cursor {
  display: inline-block; width: 7px; height: 15px; vertical-align: -2px;
  background: var(--accent); animation: blink .95s step-end infinite; margin-left: 2px;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* --- подтверждения --- */
.confirm {
  border: 1px solid var(--accent); background: var(--accent-soft);
  border-radius: var(--radius); padding: 15px 17px; margin: 4px 0 14px;
}
.confirm-head { display: flex; align-items: center; gap: 9px; margin-bottom: 4px; }
.confirm-title { font-weight: 600; }
.confirm-badge {
  font-size: 11px; text-transform: uppercase; letter-spacing: .05em;
  color: var(--accent); border: 1px solid var(--accent);
  border-radius: 4px; padding: 1px 6px;
}
.confirm-summary { color: var(--text); margin-bottom: 12px; }
.confirm-details { border-top: 1px solid var(--border); padding-top: 10px; margin-bottom: 12px; }
.confirm-row { display: grid; grid-template-columns: minmax(110px, 190px) 1fr; gap: 10px; padding: 3px 0; font-size: 14px; }
.confirm-key { color: var(--text-dim); }
.confirm-val { white-space: pre-wrap; overflow-wrap: anywhere; }
.confirm-actions { display: flex; gap: 9px; align-items: center; flex-wrap: wrap; }
.confirm-comment {
  font: inherit; font-size: 13.5px; flex: 1; min-width: 190px;
  padding: 7px 11px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
}
.confirm.resolved { border-color: var(--border); background: var(--surface); }
.confirm-verdict { font-size: 13.5px; font-weight: 600; }
.confirm-verdict.approved { color: var(--ok); }
.confirm-verdict.rejected { color: var(--danger); }
.confirm-deadline { margin: 6px 2px 0; font-size: 12.5px; color: var(--text-dim); }

/* --- системные сообщения --- */
.notice {
  border-radius: 10px; padding: 11px 14px; margin: 0 0 14px; font-size: 14px;
  border: 1px solid var(--border); background: var(--surface);
}
.notice.error { border-color: var(--danger); color: var(--danger); }
.notice.warn { border-color: var(--warn); color: var(--warn); }

/* --- поле ввода --- */
.composer { border-top: 1px solid var(--border); background: var(--surface); padding: 12px 20px 10px; flex-shrink: 0; }
.composer-inner { max-width: 820px; margin: 0 auto; display: flex; gap: 10px; align-items: flex-end; }
#input {
  flex: 1; font: inherit; resize: none; max-height: 190px;
  padding: 10px 13px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg); color: var(--text);
}
#input:focus { outline: none; border-color: var(--accent); }
#input:disabled { opacity: .6; }
.composer-hint { max-width: 820px; margin: 6px auto 0; font-size: 11.5px; color: var(--text-dim); }

@media (max-width: 640px) {
  .topbar { flex-wrap: wrap; }
  .indicators { display: none; }
  .welcome { padding-top: 32px; }
  .confirm-row { grid-template-columns: 1fr; gap: 0; }
}

/* --- вкладки: чат / модель и баланс --- */
.tabs {
  display: flex; gap: 4px; padding: 6px 16px;
  background: var(--surface); border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.tab {
  font: inherit; font-size: 14px; cursor: pointer;
  flex: 1; max-width: 220px; padding: 7px 12px;
  border: 1px solid transparent; border-radius: 8px;
  background: transparent; color: var(--text-dim);
}
.tab.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }

.settings { flex: 1; overflow-y: auto; padding: 16px; }
.settings-inner { max-width: 760px; margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px;
}
.card-title { font-size: 13px; color: var(--text-dim); margin-bottom: 6px; }
.card-note { font-size: 12px; color: var(--text-dim); margin-top: 8px; }
.card-note.error { color: var(--danger); }
.balance { font-size: 28px; font-weight: 600; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.current-name { font-size: 17px; font-weight: 600; }
.current-id { font-family: var(--mono); font-size: 12px; color: var(--text-dim); word-break: break-all; }
.facts { display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; margin: 10px 0 0; font-size: 14px; }
.facts dt { color: var(--text-dim); }
.facts dd { margin: 0; font-variant-numeric: tabular-nums; }

.model-tools { display: flex; gap: 8px; margin: 4px 0; }
.model-tools input, .model-tools select {
  font: inherit; font-size: 14px; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 7px 10px; min-width: 0;
}
.model-tools input { flex: 1 1 auto; width: 0; }
.model-tools select { flex: 0 1 auto; max-width: 48%; }
.model-list { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 6px; }
.model-item {
  display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; align-items: center;
  padding: 10px 12px; border: 1px solid var(--border); border-radius: 10px;
  cursor: pointer; background: var(--surface);
}
.model-item:hover { background: var(--surface-2); }
.model-item.selected { border-color: var(--accent); background: var(--accent-soft); }
.model-item .m-name { font-weight: 500; min-width: 0; overflow-wrap: anywhere; }
.model-item .m-id { grid-column: 1; font-family: var(--mono); font-size: 11px; color: var(--text-dim); overflow-wrap: anywhere; }
.model-item .m-price { grid-row: 1 / span 2; grid-column: 2; text-align: right; font-size: 13px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.model-item .m-flag { font-size: 11px; color: var(--warn); }

.hidden { display: none !important; }

/* --- готовый документ в ответе --- */
.attachment {
  display: inline-block; margin-top: 8px; padding: 8px 12px;
  border: 1px solid var(--border); border-radius: 10px;
  background: var(--surface); color: var(--accent); text-decoration: none; font-weight: 500;
}
.attachment:hover { background: var(--accent-soft); }