/* UzCloud style: Google Sans, основной #335CFF, радиус 10px, светлый фон */
:root {
  --brand: #335cff;
  --brand-hover: #2649e0;
  --brand-tint: rgba(71, 108, 255, 0.1);
  --brand-tint-2: rgba(71, 108, 255, 0.18);
  --text: #171717;
  --muted: #6b7280;
  --line: #e7e9ef;
  --bg: #ffffff;
  --bg-soft: #f6f7fb;
  --ok: #16a34a;
  --ok-tint: #ecfdf3;
  --warn: #b45309;
  --warn-tint: #fff7e6;
  --err: #dc2626;
  --err-tint: #fef2f2;
  --radius: 10px;
  --radius-lg: 16px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px rgba(16, 24, 40, .06);
  --font: "Google Sans", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font: 15px/1.5 var(--font); color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-weight: 500; margin: 0 0 .5em; letter-spacing: -.01em; }
h1 { font-size: 32px; line-height: 1.15; }
h2 { font-size: 22px; }
h3 { font-size: 17px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.hidden { display: none !important; }

/* Кнопки */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 44px; padding: 0 22px; border: 0; border-radius: var(--radius);
  font: 500 15px var(--font); cursor: pointer; transition: background .15s, opacity .15s;
  background: var(--brand); color: #fff; text-decoration: none !important; white-space: nowrap;
}
.btn:hover { background: var(--brand-hover); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.secondary { background: var(--brand-tint); color: var(--brand); }
.btn.secondary:hover { background: var(--brand-tint-2); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.ghost:hover { background: var(--bg-soft); }
.btn.danger { background: var(--err-tint); color: var(--err); }
.btn.sm { height: 34px; padding: 0 14px; font-size: 14px; }
.btn.block { width: 100%; }

/* Поля */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field label { font-size: 13px; color: var(--muted); }
.input, select.input, textarea.input {
  height: 46px; padding: 0 14px; border: 1px solid var(--line); border-radius: var(--radius);
  font: 15px var(--font); color: var(--text); background: #fff; outline: none; transition: border-color .15s, box-shadow .15s;
  width: 100%;
}
textarea.input { height: auto; padding: 12px 14px; resize: vertical; }
.input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-tint); }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--muted); margin: 6px 0 16px; }
.check input { margin-top: 3px; accent-color: var(--brand); }

.alert { padding: 12px 14px; border-radius: var(--radius); font-size: 14px; margin-bottom: 14px; }
.alert.err { background: var(--err-tint); color: var(--err); }
.alert.ok { background: var(--ok-tint); color: var(--ok); }
.alert.info { background: var(--brand-tint); color: var(--brand); }

.badge { display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 500; background: var(--bg-soft); color: var(--muted); }
.badge.ok { background: var(--ok-tint); color: var(--ok); }
.badge.warn { background: var(--warn-tint); color: var(--warn); }
.badge.err { background: var(--err-tint); color: var(--err); }
.badge.brand { background: var(--brand-tint); color: var(--brand); }

.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow); }

/* ===== Экран входа/регистрации ===== */
.auth { min-height: 100%; display: grid; grid-template-columns: 1.05fr 1fr; }
.auth-promo {
  background: radial-gradient(1200px 600px at -10% -10%, #e8edff 0%, transparent 60%), linear-gradient(180deg, #f5f7ff, #eef2ff);
  padding: 40px 56px; display: flex; flex-direction: column; gap: 32px;
}
.auth-promo h1 { font-size: 44px; margin-top: auto; }
.auth-promo h1 span { color: var(--brand); }
.auth-promo .lead { font-size: 17px; color: #3f4553; max-width: 520px; }
.promo-list { display: grid; gap: 12px; margin: 0 0 auto; padding: 0; list-style: none; max-width: 520px; }
.promo-list li { display: flex; gap: 12px; align-items: flex-start; background: rgba(255,255,255,.7); border: 1px solid #e3e8ff; border-radius: var(--radius); padding: 12px 14px; }
.promo-list .ic { flex: none; width: 28px; height: 28px; border-radius: 8px; background: var(--brand); color: #fff; display: grid; place-items: center; font-size: 14px; }
.auth-main { display: flex; flex-direction: column; padding: 32px 40px; }
.auth-top { display: flex; justify-content: flex-end; gap: 8px; }
.auth-box { width: 100%; max-width: 420px; margin: auto; padding: 24px 0; }
.tabs { display: flex; background: var(--bg-soft); border-radius: var(--radius); padding: 4px; margin-bottom: 24px; }
.tabs button { flex: 1; height: 38px; border: 0; background: transparent; border-radius: 8px; font: 500 14px var(--font); color: var(--muted); cursor: pointer; }
.tabs button.active { background: #fff; color: var(--text); box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.logo { height: 28px; display: block; }
.lang-switch { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.lang-switch button { border: 0; background: #fff; padding: 6px 10px; font: 500 13px var(--font); color: var(--muted); cursor: pointer; }
.lang-switch button.active { background: var(--brand-tint); color: var(--brand); }

.verify-item { border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; }
.verify-item .row { display: flex; gap: 10px; align-items: center; justify-content: space-between; }
.code-row { display: flex; gap: 8px; margin-top: 12px; }
.code-row .input.otp { letter-spacing: .3em; font-size: 18px; text-align: center; }

/* ===== Чат ===== */
.chat-app { height: 100%; display: grid; grid-template-columns: 280px 1fr; }
.side { border-right: 1px solid var(--line); background: var(--bg-soft); display: flex; flex-direction: column; min-height: 0; }
.side-head { padding: 18px 16px 12px; display: flex; flex-direction: column; gap: 14px; }
.side-list { flex: 1; overflow-y: auto; padding: 4px 8px; }
.conv { display: block; width: 100%; text-align: left; border: 0; background: transparent; padding: 10px 12px; border-radius: 8px; font: 14px var(--font); color: var(--text); cursor: pointer; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.conv:hover { background: #eceff7; }
.conv.active { background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.side-foot { border-top: 1px solid var(--line); padding: 14px 16px; font-size: 13px; display: flex; flex-direction: column; gap: 8px; }
.side-foot .who { display: flex; justify-content: space-between; align-items: center; gap: 8px; }

.main { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.main-head { height: 60px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; padding: 0 24px; gap: 12px; }
.main-head .title { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.feed { flex: 1; overflow-y: auto; padding: 24px; }
.feed-inner { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 18px; }
.msg { display: flex; gap: 12px; }
.msg .avatar { flex: none; width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; font-size: 14px; font-weight: 500; }
.msg.assistant .avatar { background: var(--brand); color: #fff; }
.msg.user { flex-direction: row-reverse; }
.msg.user .avatar { background: #e9ebf2; color: var(--muted); }
.bubble { min-width: 0; max-width: 100%; }
.msg.user .bubble { background: var(--brand-tint); padding: 10px 14px; border-radius: 14px 14px 4px 14px; max-width: 80%; white-space: pre-wrap; }
.msg.assistant .bubble { padding-top: 4px; flex: 1; }
.md p { margin: 0 0 .7em; } .md p:last-child { margin-bottom: 0; }
.md ul, .md ol { margin: .3em 0 .8em; padding-left: 1.3em; }
.md code { background: var(--bg-soft); padding: 1px 6px; border-radius: 6px; font-size: 13px; }
.md pre { background: #0f172a; color: #e2e8f0; padding: 12px 14px; border-radius: var(--radius); overflow-x: auto; }
.md pre code { background: none; padding: 0; color: inherit; }
.md table { border-collapse: collapse; margin: .5em 0 1em; font-size: 14px; display: block; overflow-x: auto; }
.md th, .md td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; }
.md th { background: var(--bg-soft); font-weight: 500; }

.tool { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); background: var(--bg-soft); border: 1px solid var(--line); border-radius: 8px; padding: 5px 10px; margin: 2px 0; max-width: 100%; }
.tool .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand); animation: pulse 1s infinite; flex: none; }
.tool.done .dot { background: var(--ok); animation: none; }
.tool.fail .dot { background: var(--err); animation: none; }
@keyframes pulse { 50% { opacity: .3; } }

.confirm { border: 1px solid #c9d4ff; background: #f7f9ff; border-radius: var(--radius); padding: 14px 16px; margin: 6px 0; }
.confirm .t { font-weight: 500; margin-bottom: 4px; }
.confirm .actions { display: flex; gap: 8px; margin-top: 12px; }
.confirm.done { opacity: .7; }

.typing { display: inline-flex; gap: 4px; padding: 8px 0; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: #b8c2e0; animation: pulse 1s infinite; }
.typing i:nth-child(2) { animation-delay: .2s; } .typing i:nth-child(3) { animation-delay: .4s; }

.composer { border-top: 1px solid var(--line); padding: 16px 24px 20px; }
.composer-inner { max-width: 820px; margin: 0 auto; display: flex; gap: 10px; align-items: flex-end; border: 1px solid var(--line); border-radius: 14px; padding: 8px 8px 8px 14px; box-shadow: var(--shadow); }
.composer textarea { flex: 1; border: 0; outline: none; resize: none; font: 15px/1.5 var(--font); max-height: 200px; padding: 8px 0; background: transparent; }
.composer .hint { max-width: 820px; margin: 8px auto 0; font-size: 12px; color: var(--muted); text-align: center; }

.empty { max-width: 640px; margin: 8vh auto 0; text-align: center; }
.empty h1 { font-size: 30px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 20px; }
.chip { border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 8px 14px; font: 14px var(--font); cursor: pointer; color: var(--text); }
.chip:hover { border-color: var(--brand); color: var(--brand); }

.banner { background: var(--warn-tint); color: var(--warn); padding: 10px 24px; font-size: 14px; display: flex; gap: 12px; align-items: center; justify-content: space-between; }

/* ===== Админка ===== */
.admin { display: grid; grid-template-columns: 230px 1fr; min-height: 100%; }
.admin-nav { background: #0f1729; color: #c7cede; padding: 20px 12px; display: flex; flex-direction: column; gap: 4px; }
.admin-nav .brand { color: #fff; font-weight: 500; padding: 4px 12px 18px; display: flex; gap: 10px; align-items: center; }
.admin-nav a { color: #c7cede; padding: 9px 12px; border-radius: 8px; text-decoration: none; font-size: 14px; }
.admin-nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.admin-nav a.active { background: var(--brand); color: #fff; }
.admin-main { padding: 28px 32px; background: var(--bg-soft); min-width: 0; }
.admin-main > .card + .card { margin-top: 20px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 20px; }
.kpi { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 16px 18px; }
.kpi .v { font-size: 28px; font-weight: 500; }
.kpi .l { font-size: 13px; color: var(--muted); }
table.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th { text-align: left; font-weight: 500; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.tbl td { padding: 11px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.tbl tr.click { cursor: pointer; }
.tbl tr.click:hover td { background: #fafbff; }
.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar .input { max-width: 320px; height: 38px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
.derived { font: 12px ui-monospace, Consolas, monospace; color: var(--muted); margin-top: 4px; word-break: break-all; }
.transcript { display: flex; flex-direction: column; gap: 10px; }
.transcript .m { border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; background: #fff; font-size: 14px; white-space: pre-wrap; word-break: break-word; }
.transcript .m.user { background: var(--brand-tint); }
.transcript .m.tool { font: 12px ui-monospace, Consolas, monospace; background: var(--bg-soft); max-height: 220px; overflow: auto; }
.transcript .role { font-size: 11px; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; letter-spacing: .05em; }

@media (max-width: 900px) {
  .auth { grid-template-columns: 1fr; }
  .auth-promo { display: none; }
  .auth-main { padding: 20px 16px; }
  .chat-app { grid-template-columns: 1fr; }
  .side { display: none; }
  .side.open { display: flex; position: fixed; inset: 0 20% 0 0; z-index: 10; box-shadow: var(--shadow); }
  .feed, .composer { padding-left: 16px; padding-right: 16px; }
  .main-head { padding: 0 16px; }
  .admin { grid-template-columns: 1fr; }
  .admin-nav { flex-direction: row; overflow-x: auto; padding: 10px; }
  .admin-nav .brand { display: none; }
  .admin-main { padding: 16px; }
  .grid2 { grid-template-columns: 1fr; }
}
@media (min-width: 901px) { .only-mobile { display: none !important; } }