:root {
  --bg: #f1f5fd;
  --card: rgba(255, 255, 255, 0.78);
  --card-border: rgba(20, 40, 90, 0.08);
  --text: #0f1f3d;
  --muted: #61739a;
  --field: #ffffff;
  --field-border: #d3dcf0;
  --accent: #2563eb;
  --accent-2: #06b6d4;
  --danger: #d93a4b;
  --ok: #17803d;
  --soft: rgba(37, 99, 235, 0.08);
  --shadow: 0 30px 80px -20px rgba(30, 80, 200, 0.35);
  --blob-1: #6aa4ff;
  --blob-2: #5ad3ee;
  --blob-3: #8fb3ff;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #08101f;
    --card: rgba(18, 30, 58, 0.7);
    --card-border: rgba(255, 255, 255, 0.08);
    --text: #eaf0ff;
    --muted: #8a9bc0;
    --field: rgba(255, 255, 255, 0.05);
    --field-border: rgba(255, 255, 255, 0.12);
    --soft: rgba(94, 150, 255, 0.12);
    --shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.7);
    --blob-1: #1f4fd8;
    --blob-2: #0a8aa8;
    --blob-3: #2a63c9;
  }
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 24px 16px;
  overflow-x: hidden;
}

/* фон */
.bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; }
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  animation: float 18s ease-in-out infinite;
}
.blob.b1 { width: 460px; height: 460px; background: var(--blob-1); top: -120px; left: -100px; }
.blob.b2 { width: 400px; height: 400px; background: var(--blob-2); bottom: -120px; right: -80px; animation-delay: -6s; }
.blob.b3 { width: 320px; height: 320px; background: var(--blob-3); top: 40%; left: 55%; animation-delay: -12s; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.08); }
  66% { transform: translate(-30px, 30px) scale(0.95); }
}

/* карточка */
.card {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 36px 32px 30px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  animation: rise 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(18px) scale(0.98); }
  to { opacity: 1; transform: none; }
}

.logo {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.5px;
  box-shadow: 0 10px 30px -8px var(--accent);
  margin-bottom: 22px;
}

h1 { font-size: 26px; line-height: 1.2; margin: 0 0 8px; letter-spacing: -0.5px; }
.sub { margin: 0 0 26px; color: var(--muted); font-size: 15px; line-height: 1.5; }

label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; color: var(--muted); }

.input {
  width: 100%;
  height: 52px;
  padding: 0 16px;
  font: inherit;
  font-size: 16px;
  color: var(--text);
  background: var(--field);
  border: 1.5px solid var(--field-border);
  border-radius: 14px;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2); }

.btn {
  width: 100%;
  height: 52px;
  margin-top: 18px;
  border: 0;
  border-radius: 14px;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 12px 28px -10px var(--accent);
  transition: transform 0.15s, box-shadow 0.2s, opacity 0.2s;
}
.btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 16px 34px -10px var(--accent); }
.btn:active:not(:disabled) { transform: translateY(0); }
.btn:disabled { opacity: 0.6; cursor: default; }
.btn.spin::after {
  content: '';
  display: inline-block;
  width: 16px; height: 16px;
  margin-left: 10px;
  vertical-align: -3px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: rot 0.7s linear infinite;
}
@keyframes rot { to { transform: rotate(360deg); } }

.btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1.5px solid var(--field-border);
  box-shadow: none;
}
.btn.ghost:hover:not(:disabled) { background: var(--soft); transform: none; box-shadow: none; }
.btn.danger {
  background: transparent;
  color: var(--danger);
  border: 1.5px solid var(--field-border);
  box-shadow: none;
}
.btn.danger:hover:not(:disabled) { background: rgba(217, 58, 75, 0.08); transform: none; box-shadow: none; }
.btn.small { width: auto; height: 36px; margin: 0; padding: 0 14px; font-size: 13px; border-radius: 10px; }

.link { background: none; border: 0; padding: 0; font: inherit; font-size: 14px; color: var(--accent); cursor: pointer; }
.link:disabled { color: var(--muted); cursor: default; }
.row { display: flex; justify-content: space-between; align-items: center; margin-top: 18px; }

.msg { min-height: 20px; margin-top: 14px; font-size: 14px; }
.msg.err { color: var(--danger); }
.msg.ok { color: var(--ok); }

/* код */
.code { display: flex; gap: 10px; }
.code input { flex: 1; min-width: 0; height: 60px; text-align: center; font-size: 26px; font-weight: 600; padding: 0; }
.shake { animation: shake 0.4s; }
@keyframes shake { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }

.step[hidden] { display: none; }
.step { animation: fade 0.35s ease both; }
@keyframes fade { from { opacity: 0; transform: translateX(10px); } to { opacity: 1; transform: none; } }

.foot { margin-top: 26px; text-align: center; font-size: 12px; color: var(--muted); }

/* кабинет */
.app-card { max-width: 520px; }
.badge { display: inline-block; padding: 6px 12px; border-radius: 999px; background: var(--soft); color: var(--accent); font-size: 13px; font-weight: 600; margin-bottom: 16px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.actions .btn { width: auto; padding: 0 18px; margin-top: 4px; }

/* админка */
body.wide { place-items: start center; }
.wide .card { max-width: 940px; padding: 30px 28px 24px; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.top h1 { margin: 0; font-size: 24px; }
.wide .sub { margin-bottom: 18px; font-size: 14px; }

.add { display: grid; grid-template-columns: 1.4fr 1fr auto; gap: 10px; margin-bottom: 8px; padding: 14px; background: var(--soft); border-radius: 16px; }
.add .input { height: 46px; font-size: 15px; border-radius: 12px; }
.add .btn { margin: 0; width: auto; height: 46px; padding: 0 20px; font-size: 14px; border-radius: 12px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 12px 10px; border-bottom: 1px solid var(--card-border); vertical-align: middle; }
th { font-size: 12px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
td.num { font-variant-numeric: tabular-nums; }
.tag { font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px; background: var(--soft); color: var(--muted); }
.tag.on { background: rgba(23, 128, 61, 0.12); color: var(--ok); }
.tag.off { background: rgba(217, 58, 75, 0.12); color: var(--danger); }
td .btn + .btn { margin-left: 6px; }
.table-wrap { overflow-x: auto; }

@media (max-width: 560px) {
  .card { padding: 28px 22px 24px; border-radius: 20px; }
  .code { gap: 6px; }
  .code input { height: 54px; font-size: 22px; }
  .add { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* админка: доп. стили */
h2 { font-size: 17px; margin: 26px 0 8px; letter-spacing: -0.2px; }
h2:first-of-type { margin-top: 8px; }
.count { display: inline-block; min-width: 22px; padding: 0 7px; margin-left: 6px; border-radius: 999px; background: var(--accent); color: #fff; font-size: 12px; font-weight: 600; line-height: 22px; text-align: center; vertical-align: 2px; }
.count:empty { display: none; }
.hint { font-size: 12px; font-weight: 400; color: var(--muted); }
.account { margin: 4px 0 8px; padding: 16px; background: var(--soft); border-radius: 16px; }
.account h2 { margin: 0 0 12px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.input.compact { height: 38px; font-size: 14px; border-radius: 10px; min-width: 200px; }
.msgtext { max-width: 280px; word-break: break-word; }
.nowrap { white-space: nowrap; }
select.input { appearance: auto; }
@media (max-width: 560px) { .grid2 { grid-template-columns: 1fr; } }
.add.two { grid-template-columns: 1fr auto; }
details.objects { margin-top: 14px; }
details.objects summary { cursor: pointer; font-weight: 600; color: var(--accent); padding: 6px 0; }
@media (max-width: 560px) { .add.two { grid-template-columns: 1fr; } }

/* список ресторанов клиента */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 20px; }
.chip { font: inherit; font-size: 14px; padding: 8px 14px; border-radius: 999px; border: 1.5px solid var(--field-border); background: var(--field); color: var(--text); cursor: pointer; transition: border-color 0.15s, background 0.15s; }
.chip:hover { border-color: var(--accent); }
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }

#key-add { grid-template-columns: 1.3fr 1fr 1fr 1.3fr auto; }
#key-add #key-model { grid-column: 3 / 4; }
@media (max-width: 860px) { #key-add { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { #key-add { grid-template-columns: 1fr; } }

/* чат */
body.chat-page { place-items: start center; padding: 16px; }
.chat-card { max-width: 1000px; width: 100%; height: calc(100vh - 32px); display: flex; flex-direction: column; padding: 18px 20px 14px; }
.chat-head { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.logo.small { width: 36px; height: 36px; border-radius: 11px; font-size: 14px; margin: 0; flex: none; }
.chat-title { flex: 1; min-width: 0; }
.chat-title .badge { margin: 0; font-size: 14px; }
.chat-actions { display: flex; gap: 8px; }
.chat-card .chips { margin: 0 0 10px; }
.chat-log { flex: 1; overflow-y: auto; padding: 6px 2px 10px; display: flex; flex-direction: column; gap: 10px; }
.msg-bubble { max-width: 92%; padding: 11px 14px; border-radius: 16px; line-height: 1.5; word-break: break-word; animation: fade 0.25s ease both; }
.msg-bubble.user { align-self: flex-end; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; border-bottom-right-radius: 5px; white-space: pre-wrap; }
.msg-bubble.assistant { align-self: flex-start; background: var(--field); border: 1px solid var(--field-border); border-bottom-left-radius: 5px; }
.msg-bubble.assistant.pending { color: var(--muted); }
.msg-bubble.assistant.error { color: var(--danger); border-color: var(--danger); }
.msg-text { white-space: pre-wrap; }
.chips.next { margin: 10px 0 0; }
.chat-form { display: flex; gap: 10px; align-items: flex-end; margin-top: 8px; }
.chat-form textarea { flex: 1; resize: none; font: inherit; font-size: 15px; padding: 12px 14px; max-height: 140px; color: var(--text); background: var(--field); border: 1.5px solid var(--field-border); border-radius: 14px; outline: none; }
.chat-form textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2); }
.chat-form .btn { height: 46px; margin: 0; }
.chat-card .foot { margin-top: 8px; }
.tbl-wrap { margin-top: 10px; border: 1px solid var(--field-border); border-radius: 12px; overflow: hidden; background: var(--card); }
.tbl-title { padding: 8px 12px; font-size: 13px; font-weight: 600; background: var(--soft); }
.tbl-scroll { overflow-x: auto; max-height: 420px; overflow-y: auto; }
.tbl-scroll table { font-size: 13px; }
.tbl-scroll th, .tbl-scroll td { padding: 7px 10px; white-space: nowrap; }
.tbl-scroll th { position: sticky; top: 0; background: var(--soft); backdrop-filter: blur(6px); }
.tbl-scroll td.num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl-foot { padding: 6px 12px; font-size: 12px; color: var(--muted); }
@media (max-width: 560px) {
  body.chat-page { padding: 0; }
  .chat-card { height: 100vh; border-radius: 0; padding: 12px; }
  .msg-bubble { max-width: 100%; }
}