/* ===== AI Zone — интерфейс чата ===== */
:root {
  --bg: #07070c;
  --sidebar: #0b0c14;
  --surface: rgba(255, 255, 255, 0.04);
  --surface-2: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f4f5fb;
  --text-dim: #a6a8b8;
  --text-faint: #6b6d80;
  --violet: #7c5cff;
  --violet-2: #9d7bff;
  --cyan: #2bd6ff;
  --grad: linear-gradient(120deg, #7c5cff 0%, #5b8bff 45%, #2bd6ff 100%);
  --grad-soft: linear-gradient(120deg, rgba(124,92,255,.16), rgba(43,214,255,.16));
  --sidebar-w: 280px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: 'Manrope', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}
a { color: inherit; text-decoration: none; }
.logo { display: inline-flex; align-items: center; gap: 9px; font-family: 'Sora', 'Manrope', system-ui, sans-serif; font-weight: 800; font-size: 19px; }
.logo__mark { display: grid; place-items: center; width: 40px; height: 40px; filter: drop-shadow(0 6px 14px rgba(124,92,255,.55)); }

.icon-btn {
  display: grid; place-items: center; width: 38px; height: 38px;
  border-radius: 10px; border: none; background: transparent; color: var(--text-dim);
  cursor: pointer; transition: background .2s, color .2s;
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }

/* ===== Каркас ===== */
.app { display: flex; height: 100vh; }

/* ===== Сайдбар ===== */
.sidebar {
  width: var(--sidebar-w); flex-shrink: 0;
  background: var(--sidebar); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 16px 14px;
  transition: transform .3s ease, margin-left .3s ease;
}
.app.sidebar-collapsed .sidebar { margin-left: calc(-1 * var(--sidebar-w)); }
.sidebar__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; padding: 0 4px; }

.new-chat {
  display: flex; align-items: center; justify-content: center; gap: 9px;
  width: 100%; padding: 13px; border-radius: 12px;
  background: var(--grad); color: #fff; border: none; cursor: pointer;
  font-family: 'Manrope', system-ui, sans-serif; font-weight: 700; font-size: 15px;
  box-shadow: 0 10px 28px -10px rgba(124,92,255,.7);
  transition: transform .18s, box-shadow .25s;
}
.new-chat:hover { transform: translateY(-2px); box-shadow: 0 14px 34px -10px rgba(124,92,255,.85); }

.gallery-btn {
  display: flex; align-items: center; justify-content: center; gap: 9px;
  width: 100%; padding: 11px; margin-top: 9px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--border); color: var(--text-dim); cursor: pointer;
  font-family: 'Manrope', system-ui, sans-serif; font-weight: 700; font-size: 14px;
  transition: background .2s, color .2s, border-color .2s;
}
.gallery-btn:hover { background: var(--surface-2); color: var(--text); border-color: var(--border-strong); }

/* Модалка галереи */
.gal-overlay {
  position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 20px;
  background: rgba(4, 4, 9, .74); backdrop-filter: blur(8px);
  opacity: 0; visibility: hidden; transition: opacity .22s, visibility .22s;
}
.gal-overlay.is-open { opacity: 1; visibility: visible; }
.gal-card {
  position: relative; width: 100%; max-width: 760px; max-height: 86vh; overflow-y: auto;
  background: #0e0f1a; border: 1px solid rgba(255, 255, 255, .12); border-radius: 22px; padding: 28px 26px 24px;
  box-shadow: 0 40px 120px -30px rgba(0, 0, 0, .85);
}
.gal-close { position: absolute; top: 14px; right: 14px; width: 34px; height: 34px; border-radius: 10px; border: none; background: var(--surface); color: var(--text-dim); font-size: 20px; cursor: pointer; display: grid; place-items: center; transition: .2s; }
.gal-close:hover { background: var(--surface-2); color: #fff; }
.gal-title { font-family: 'Sora', 'Manrope', sans-serif; font-size: 20px; font-weight: 800; margin-bottom: 18px; }
.gal-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.gal-thumb { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 12px; cursor: zoom-in; transition: opacity .2s, transform .18s; }
.gal-thumb:hover { opacity: .9; transform: scale(1.02); }
.gal-empty { grid-column: 1 / -1; color: var(--text-faint); font-size: 14px; padding: 26px 0; text-align: center; }
@media (max-width: 560px) { .gal-grid { grid-template-columns: 1fr 1fr; } }

.sidebar__section-label { font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--text-faint); margin: 22px 6px 8px; }
.history { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 3px; margin: 0 -4px; padding: 0 4px; }
.history__item {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 12px; border-radius: 10px; cursor: pointer;
  color: var(--text-dim); font-size: 14px; transition: background .2s, color .2s;
  white-space: nowrap; overflow: hidden;
}
.history__item:hover { background: var(--surface); color: var(--text); }
.history__item.is-active { background: var(--surface-2); color: var(--text); }
.history__item svg { flex-shrink: 0; opacity: .6; }
.history__item span { overflow: hidden; text-overflow: ellipsis; }
.history__empty { color: var(--text-faint); font-size: 13px; padding: 10px 12px; }

.sidebar__bottom { margin-top: 14px; display: flex; flex-direction: column; gap: 12px; }
.balance-card { background: var(--grad-soft); border: 1px solid var(--border); border-radius: 14px; padding: 14px 16px; }
.balance-card__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 11px; }
.balance-card__label { font-size: 13px; color: var(--text-dim); font-weight: 600; }
.balance-card__val b { font-family: 'Sora', sans-serif; font-weight: 800; font-size: 19px; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.btn-topup { width: 100%; padding: 10px; border-radius: 10px; border: none; background: var(--grad); color: #fff; font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 14px; cursor: pointer; transition: transform 0.18s, box-shadow 0.25s; box-shadow: 0 8px 22px -10px rgba(124, 92, 255, 0.7); }
.btn-topup:hover { transform: translateY(-1px); box-shadow: 0 12px 28px -10px rgba(124, 92, 255, 0.85); }
.upsell { background: var(--grad-soft); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.upsell__title { font-weight: 700; font-size: 15px; margin-bottom: 5px; }
.upsell p { font-size: 13px; color: var(--text-dim); margin-bottom: 12px; }
.btn-upgrade { width: 100%; padding: 9px; border-radius: 10px; background: var(--text); color: #0b0b12; border: none; font-weight: 700; font-size: 14px; cursor: pointer; transition: opacity .2s; }
.btn-upgrade:hover { opacity: .9; }

.account { display: flex; align-items: center; gap: 11px; padding: 8px; border-radius: 12px; transition: background .2s; cursor: pointer; }
.account:hover { background: var(--surface); }
.account__avatar { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(120deg,#ff5ca8,#ff9f5c); display: grid; place-items: center; font-weight: 700; flex-shrink: 0; }
.account__info { display: flex; flex-direction: column; line-height: 1.3; overflow: hidden; }
.account__name { font-weight: 700; font-size: 14px; }
.account__plan { font-size: 12px; color: var(--text-faint); }

/* ===== Основная область ===== */
.main { flex: 1; display: flex; flex-direction: column; min-width: 0; position: relative; }

.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 18px; border-bottom: 1px solid var(--border);
  background: rgba(7,7,12,.7); backdrop-filter: blur(12px);
}
.topbar__menu { display: none; }
/* Панель свёрнута — показываем кнопку, чтобы вернуть её */
.app.sidebar-collapsed .topbar__menu { display: grid; }
.btn-back { margin-left: auto; }
.btn-back { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; color: var(--text-dim); transition: background .2s, color .2s; }
.btn-back:hover { background: var(--surface-2); color: var(--text); }

/* Селектор модели */
.model-select { position: relative; }
.model-select__btn {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 14px; border-radius: 12px;
  background: var(--surface); border: 1px solid var(--border); color: var(--text);
  cursor: pointer; font-family: 'Manrope', system-ui, sans-serif; font-weight: 700; font-size: 15px;
  transition: background .2s, border-color .2s;
}
.model-select__btn:hover { background: var(--surface-2); border-color: var(--border-strong); }
.model-select__btn svg { color: var(--text-dim); }
.model-select__menu {
  position: absolute; top: calc(100% + 8px); left: 0; z-index: 30;
  width: 384px; max-width: 92vw; max-height: 70vh; overflow-y: auto;
  background: #11121d; border: 1px solid var(--border-strong); border-radius: 18px;
  padding: 4px 10px 12px; box-shadow: 0 30px 70px -20px rgba(0,0,0,.7);
}
.model-select__menu::-webkit-scrollbar { width: 8px; }
.model-select__menu::-webkit-scrollbar-thumb { background: rgba(255,255,255,.1); border-radius: 8px; }

/* Заголовки групп тарифов */
.model-group {
  display: flex; align-items: center; gap: 7px;
  padding: 13px 4px 8px; font-size: 12px; font-weight: 800;
  text-transform: uppercase; letter-spacing: .07em;
}
.model-group__icon { font-size: 13px; }
.tg-free { color: #43e08e; }
.tg-base { color: #a6a8b8; }
.tg-pro { color: #5b8bff; }
.tg-ultra { color: #ffb45c; }

/* Сетка карточек 2 колонки */
.model-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.model-card {
  border-radius: 14px; padding: 12px 13px; cursor: pointer;
  background: var(--surface); border: 1px solid transparent;
  transition: background .18s, border-color .18s, transform .15s;
}
.model-card:hover { background: var(--surface-2); transform: translateY(-1px); }
.model-card.is-selected { background: var(--grad-soft); border-color: rgba(124, 92, 255, .5); }
.model-card__name { display: flex; align-items: flex-start; justify-content: space-between; gap: 6px; font-weight: 700; font-size: 14px; line-height: 1.3; }
.model-card__check { opacity: 0; flex-shrink: 0; margin-top: 1px; transition: opacity .15s; }
.model-card.is-selected .model-card__check { opacity: 1; }
.model-card__desc { font-size: 12px; color: var(--text-dim); margin-top: 3px; line-height: 1.45; }

/* ===== Модалка «Аккаунт» ===== */
.acc-overlay {
  position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; padding: 20px;
  background: rgba(4, 4, 9, .74); backdrop-filter: blur(8px);
  opacity: 0; visibility: hidden; transition: opacity .22s, visibility .22s;
}
.acc-overlay.is-open { opacity: 1; visibility: visible; }
.acc-card {
  position: relative; width: 100%; max-width: 470px; max-height: 88vh; overflow-y: auto;
  border: 1px solid transparent; border-radius: 24px; padding: 28px 26px 22px;
  background:
    linear-gradient(#0e0f1a, #0e0f1a) padding-box,
    linear-gradient(150deg, rgba(124, 92, 255, .5), rgba(255, 255, 255, .07) 40%, rgba(43, 214, 255, .4)) border-box;
  box-shadow: 0 40px 120px -30px rgba(0, 0, 0, .85);
}
.acc-close { position: absolute; top: 14px; right: 14px; width: 34px; height: 34px; border-radius: 10px; border: none; background: var(--surface); color: var(--text-dim); font-size: 20px; cursor: pointer; display: grid; place-items: center; transition: .2s; }
.acc-close:hover { background: var(--surface-2); color: #fff; }
.acc-title { display: flex; align-items: center; gap: 10px; font-family: 'Sora', 'Manrope', sans-serif; font-size: 20px; font-weight: 800; margin-bottom: 18px; }

.acc-profile { display: flex; align-items: center; gap: 13px; margin-bottom: 16px; }
.acc-ava { width: 46px; height: 46px; border-radius: 13px; background: var(--grad); display: grid; place-items: center; font-weight: 800; font-size: 19px; color: #fff; flex-shrink: 0; }
.acc-name { font-weight: 800; font-size: 16px; }
.acc-mail { color: var(--text-dim); font-size: 13.5px; }

.acc-row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.acc-stat { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 13px 15px; }
.acc-stat label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-faint); margin-bottom: 6px; }
.acc-stat b { font-family: 'Sora', 'Manrope', sans-serif; font-size: 21px; font-weight: 800; }
.acc-stat b small { font-size: 12px; color: var(--text-dim); font-family: 'Manrope', sans-serif; font-weight: 600; }
.acc-bar { height: 6px; border-radius: 6px; background: rgba(255, 255, 255, .08); margin-top: 9px; overflow: hidden; }
.acc-bar i { display: block; height: 100%; background: var(--grad); border-radius: 6px; }
.acc-link { display: block; margin-top: 7px; background: none; border: none; padding: 0; color: #5b8bff; font-family: inherit; font-size: 13px; font-weight: 700; cursor: pointer; }
.acc-link:hover { text-decoration: underline; }

/* Плашка «почта не подтверждена» */
.acc-verify {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  border: 1px solid rgba(255, 180, 92, .45); border-radius: 14px; padding: 12px 15px; margin-bottom: 16px;
  background: rgba(255, 180, 92, .07); font-size: 13.5px; color: var(--text-dim);
}
.acc-verify .acc-link { margin-top: 0; flex-shrink: 0; color: #ffb45c; }
.acc-verify .acc-link:disabled { opacity: .7; cursor: default; text-decoration: none; }

.acc-subrow {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  border: 1px solid rgba(124, 92, 255, .4); border-radius: 14px; padding: 12px 15px; margin-bottom: 16px;
  background: var(--grad-soft); font-size: 13.5px;
}
.acc-subrow.is-active { border-color: rgba(67, 224, 142, .4); background: rgba(67, 224, 142, .06); }
.acc-subrow .acc-link { margin-top: 0; flex-shrink: 0; }

.acc-payments label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-faint); margin-bottom: 8px; }
.acc-pay { display: grid; grid-template-columns: 1fr auto auto auto; gap: 12px; font-size: 13.5px; padding: 8px 2px; border-bottom: 1px solid var(--border); color: var(--text-dim); }
.acc-pay span:first-child { color: var(--text); }
.acc-ok { color: #43e08e; }
.acc-pend { color: #ffb45c; }
.acc-empty { color: var(--text-faint); font-size: 13.5px; padding: 8px 0; }

.acc-actions { display: flex; align-items: center; justify-content: space-between; margin-top: 20px; }
.acc-btn { padding: 10px 18px; border-radius: 11px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font-family: inherit; font-weight: 700; font-size: 13.5px; cursor: pointer; transition: .2s; }
.acc-btn:hover { background: var(--surface-2); border-color: var(--border-strong); }
.acc-danger { background: none; border: none; color: #ff8a8a; font-family: inherit; font-size: 12.5px; cursor: pointer; opacity: .8; }
.acc-danger:hover { opacity: 1; text-decoration: underline; }

/* ===== Лента чата ===== */
.chat { flex: 1; overflow-y: auto; scroll-behavior: smooth; }
.chat__inner { max-width: 980px; margin: 0 auto; padding: 32px 24px 24px; display: flex; flex-direction: column; gap: 26px; }

.row { display: flex; gap: 14px; }
.row--user { flex-direction: row-reverse; }
.row--bot { flex-wrap: wrap; }

/* Действия под ответом ИИ */
.msg-actions { width: 100%; margin-left: 48px; display: flex; gap: 3px; margin-top: 2px; }
.msg-act {
  display: grid; place-items: center; width: 30px; height: 30px; border-radius: 8px;
  border: none; background: none; color: var(--text-faint); cursor: pointer;
  transition: background .18s, color .18s;
}
.msg-act svg { width: 16px; height: 16px; }
.msg-act--flip svg { transform: rotate(180deg); }
.msg-act:hover { background: var(--surface-2); color: var(--text); }
.msg-act.is-on { color: var(--violet-2); }
.msg-act.is-done { color: #43e08e; }
.row__avatar { width: 34px; height: 34px; border-radius: 10px; flex-shrink: 0; display: grid; place-items: center; font-size: 14px; font-weight: 700; }
.row--bot .row__avatar { color: #fff; }
.row--user .row__avatar { background: linear-gradient(120deg,#ff5ca8,#ff9f5c); }
.bubble { max-width: 84%; padding: 14px 18px; border-radius: 16px; font-size: 15.5px; line-height: 1.7; }
.row--user .bubble { background: var(--grad); color: #fff; border-bottom-right-radius: 5px; }
.row--bot .bubble { background: var(--surface); border: 1px solid var(--border); border-bottom-left-radius: 5px; color: var(--text); }
.bubble p { margin: 0 0 10px; } .bubble p:last-child { margin-bottom: 0; }
.bubble pre { background: #0a0b12; border: 1px solid var(--border); border-radius: 12px; padding: 14px; overflow-x: auto; margin: 10px 0; font-size: 13.5px; }
.bubble code { font-family: 'SF Mono', Consolas, monospace; font-size: .9em; background: rgba(255,255,255,.08); padding: 2px 6px; border-radius: 5px; }
.bubble pre code { background: none; padding: 0; }
.bubble ul, .bubble ol { margin: 8px 0 8px 20px; } .bubble li { margin: 4px 0; }
.bubble strong { color: #fff; font-weight: 700; }
.bubble a { color: var(--cyan); text-decoration: underline; }

/* Индикатор печати */
.typing { display: inline-flex; gap: 5px; padding: 4px 0; }
.typing span { width: 8px; height: 8px; border-radius: 50%; background: var(--violet-2); animation: blink 1.2s infinite both; }
.typing span:nth-child(2){ animation-delay: .2s; } .typing span:nth-child(3){ animation-delay: .4s; }
@keyframes blink { 0%,60%,100%{ opacity: .25; transform: translateY(0);} 30%{ opacity: 1; transform: translateY(-3px);} }
.cursor { display: inline-block; width: 8px; height: 16px; background: var(--violet-2); margin-left: 2px; border-radius: 2px; animation: caret 1s steps(1) infinite; vertical-align: text-bottom; }
@keyframes caret { 50% { opacity: 0; } }

/* ===== Приветствие ===== */
.welcome { max-width: 720px; margin: 0 auto; padding: 8vh 24px 24px; text-align: center; display: flex; flex-direction: column; align-items: center; }
.welcome__logo { width: 64px; height: 64px; display: grid; place-items: center; margin-bottom: 24px; filter: drop-shadow(0 20px 40px rgba(124,92,255,.6)); }
.welcome h1 { font-family: 'Sora', 'Manrope', system-ui, sans-serif; font-size: clamp(28px, 4vw, 40px); font-weight: 800; margin-bottom: 10px; letter-spacing: -.02em; }
.welcome p { color: var(--text-dim); font-size: 17px; margin-bottom: 34px; }
.suggestions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; width: 100%; max-width: 560px; }
.suggestion {
  display: flex; align-items: center; gap: 12px; text-align: left;
  padding: 16px; border-radius: 14px; cursor: pointer;
  background: var(--surface); border: 1px solid var(--border); color: var(--text);
  font-family: 'Manrope', system-ui, sans-serif; font-size: 14px; font-weight: 600;
  transition: transform .18s, border-color .2s, background .2s;
}
.suggestion:hover { transform: translateY(-2px); border-color: var(--border-strong); background: var(--surface-2); }
.suggestion__icon { font-size: 22px; }
.suggestion small { color: var(--text-faint); font-weight: 500; }

/* ===== Composer ===== */
.composer { padding: 12px 18px 18px; }
.composer__inner { max-width: 980px; margin: 0 auto; position: relative; }
.composer__form {
  display: flex; align-items: flex-end; gap: 8px;
  background: var(--surface); border: 1px solid var(--border-strong); border-radius: 20px;
  padding: 8px 8px 8px 12px; transition: border-color .2s, box-shadow .2s;
}
.composer__form:focus-within { border-color: rgba(124,92,255,.55); box-shadow: 0 0 0 4px rgba(124,92,255,.12); }
.composer__tool { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 10px; border: none; background: transparent; color: var(--text-faint); cursor: pointer; flex-shrink: 0; transition: color .2s, background .2s; }
.composer__tool:hover { color: var(--text-dim); background: var(--surface-2); }
.composer__input {
  flex: 1; resize: none; border: none; background: none; outline: none;
  color: var(--text); font-family: 'Manrope', system-ui, sans-serif; font-size: 16px; line-height: 1.5;
  max-height: 200px; padding: 9px 4px;
}
.composer__input::placeholder { color: var(--text-faint); }
.composer__send {
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px;
  border: none; background: var(--grad); color: #fff; cursor: pointer; flex-shrink: 0;
  transition: transform .18s, opacity .2s;
}
.composer__send:hover:not(:disabled) { transform: translateY(-1px); }
.composer__send:disabled { opacity: .35; cursor: default; }
.composer__send.is-stop { background: var(--surface-2); color: var(--text); }
.composer__hint { text-align: center; font-size: 12px; color: var(--text-faint); margin-top: 10px; }

/* ===== Оверлей для мобилки ===== */
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 40; }
.sidebar-overlay.is-visible { display: block; }

/* Скроллбар */
.chat::-webkit-scrollbar, .history::-webkit-scrollbar { width: 8px; }
.chat::-webkit-scrollbar-thumb, .history::-webkit-scrollbar-thumb { background: rgba(255,255,255,.08); border-radius: 8px; }
.chat::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.16); }

/* ===== Панель инструментов (Нарисуй / Веб-поиск / Агенты) ===== */
.composer__tools { display: flex; gap: 8px; margin-bottom: 9px; flex-wrap: wrap; }

/* Белая подсказка над инструментами */
.composer-hint {
  position: absolute; bottom: calc(100% + 10px); left: 10px; z-index: 20; max-width: 420px;
  background: #fff; color: #16171f; font-size: 13.5px; font-weight: 600; line-height: 1.45;
  padding: 11px 15px; border-radius: 13px; box-shadow: 0 16px 40px -12px rgba(0, 0, 0, .6);
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity .2s, transform .2s, visibility .2s;
  pointer-events: none;
}
.composer-hint::after {
  content: ""; position: absolute; top: 100%; left: 26px;
  border: 7px solid transparent; border-top-color: #fff;
}
.composer-hint.is-show { opacity: 1; visibility: visible; transform: none; }
.ctool {
  display: inline-flex; align-items: center; gap: 7px; padding: 8px 14px; border-radius: 100px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text-dim);
  font-family: 'Manrope', sans-serif; font-size: 13.5px; font-weight: 600; cursor: pointer; transition: 0.18s;
}
.ctool svg { width: 16px; height: 16px; }
.ctool:hover { color: var(--text); border-color: var(--border-strong); background: var(--surface-2); }
.ctool.is-active { color: #fff; background: var(--grad); border-color: transparent; box-shadow: 0 8px 22px -10px rgba(124, 92, 255, 0.7); }
.ctool__hint { font-size: 11px; font-weight: 700; color: var(--text-faint); margin-left: 2px; }
.ctool:hover .ctool__hint { color: var(--text-dim); }
.ctool.is-active .ctool__hint { color: rgba(255, 255, 255, 0.75); }

/* Фирменные тултипы кнопок-инструментов (вместо системных title) */
.ctool[data-tip] { position: relative; }
.ctool[data-tip]::after {
  content: attr(data-tip);
  position: absolute; bottom: calc(100% + 11px); left: 0; z-index: 40;
  width: max-content; max-width: 300px; text-align: left;
  background: #fff; color: #16171f; font-size: 12.5px; font-weight: 600; line-height: 1.45;
  padding: 9px 13px; border-radius: 11px; box-shadow: 0 14px 36px -10px rgba(0, 0, 0, .65);
  opacity: 0; visibility: hidden; transform: translateY(5px);
  transition: opacity .18s, transform .18s, visibility .18s; transition-delay: 0s;
  pointer-events: none;
}
.ctool[data-tip]::before {
  content: ""; position: absolute; bottom: calc(100% + 4px); left: 22px; z-index: 41;
  border: 7px solid transparent; border-top-color: #fff;
  opacity: 0; visibility: hidden; transform: translateY(5px);
  transition: opacity .18s, transform .18s, visibility .18s; transition-delay: 0s;
  pointer-events: none;
}
.ctool[data-tip]:hover::after, .ctool[data-tip]:hover::before {
  opacity: 1; visibility: visible; transform: none; transition-delay: .35s;
}
.ctool-wrap { position: relative; }

.agents-menu {
  position: absolute; bottom: calc(100% + 8px); left: 0; z-index: 30; width: 268px;
  background: #11121d; border: 1px solid var(--border-strong); border-radius: 14px; padding: 6px;
  box-shadow: 0 30px 70px -20px rgba(0, 0, 0, 0.7);
}
.agent-item { display: flex; align-items: center; gap: 11px; padding: 10px 11px; border-radius: 10px; cursor: pointer; transition: background 0.18s; }
.agent-item:hover { background: var(--surface); }
.agent-item.is-active { background: var(--grad-soft); }
.agent-item__ic { width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; font-weight: 800; font-size: 14px; color: #fff; flex-shrink: 0; }
.agent-item__t { font-weight: 700; font-size: 14px; }
.agent-item__d { font-size: 12px; color: var(--text-faint); }

/* Сгенерированное изображение в чате */
.bubble img.gen-img { display: block; max-width: 100%; border-radius: 12px; margin-top: 6px; cursor: zoom-in; transition: opacity .2s; }
.bubble img.gen-img:hover { opacity: .92; }

/* Лайтбокс: картинка во весь экран + скачивание */
.lightbox {
  position: fixed; inset: 0; z-index: 1200; padding: 28px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px;
  background: rgba(4, 4, 9, .9); backdrop-filter: blur(10px);
  opacity: 0; visibility: hidden; transition: opacity .2s, visibility .2s;
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox__img { max-width: 92vw; max-height: 78vh; border-radius: 16px; box-shadow: 0 40px 120px -30px rgba(0, 0, 0, .9); }
.lightbox__close {
  position: absolute; top: 18px; right: 18px; width: 42px; height: 42px; border-radius: 12px;
  border: none; background: rgba(255, 255, 255, .08); color: #fff; font-size: 24px;
  cursor: pointer; display: grid; place-items: center; transition: background .2s;
}
.lightbox__close:hover { background: rgba(255, 255, 255, .16); }
.lightbox__dl {
  padding: 13px 28px; border-radius: 12px; background: var(--grad); color: #fff;
  font-weight: 700; font-size: 14.5px; box-shadow: 0 10px 30px -8px rgba(124, 92, 255, .6);
  transition: transform .18s;
}
.lightbox__dl:hover { transform: translateY(-2px); }
.gen-loading { display: inline-flex; align-items: center; gap: 10px; color: var(--text-dim); font-size: 14px; }

/* ===== Адаптив ===== */
@media (max-width: 820px) {
  .sidebar {
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 45;
    width: min(300px, 85vw);
    transform: translateX(-100%);
    box-shadow: 30px 0 80px -20px rgba(0, 0, 0, .7);
  }
  .app.sidebar-open .sidebar { transform: translateX(0); }
  .app.sidebar-collapsed .sidebar { margin-left: 0; }
  .sidebar__collapse { display: none; }
  .topbar__menu { display: grid; }
  .suggestions { grid-template-columns: 1fr; }
}

/* Телефоны */
@media (max-width: 520px) {
  .topbar { padding: 10px 12px; gap: 8px; }
  .model-select__btn { padding: 8px 11px; font-size: 14px; }
  .model-select__menu { max-width: calc(100vw - 24px); }
  .model-card { padding: 10px 11px; }
  .model-card__name { font-size: 13.5px; }

  .chat__inner { padding: 20px 12px 16px; gap: 20px; }
  .bubble { max-width: 92%; padding: 12px 14px; font-size: 15px; }
  .msg-actions { margin-left: 44px; }

  .composer { padding: 10px 10px 14px; }
  .composer-hint { left: 4px; right: 4px; max-width: none; }
  .ctool { padding: 8px 11px; font-size: 12.5px; gap: 5px; }
  .ctool__hint { display: none; }
  .ctool[data-tip]::after { max-width: calc(100vw - 44px); white-space: normal; }

  .welcome { padding: 0 16px; }
  .welcome h1 { font-size: 26px; }

  .acc-card, .gal-card { padding: 22px 16px 18px; }
  .acc-row2 { grid-template-columns: 1fr; }
  .acc-pay { gap: 8px; font-size: 12.5px; }
  .acc-actions { flex-direction: column-reverse; gap: 12px; }
  .acc-actions .acc-btn { width: 100%; }

  .lightbox { padding: 14px; gap: 14px; }
  .lightbox__img { max-height: 72vh; }
}