/* ===== HabAI-style landing ===== */
:root {
  --accent: #2d67f6;
  --accent-hover: #1f54d6;
  --accent-soft: rgba(45, 103, 246, 0.1);
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1200px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Light theme */
[data-theme="light"] {
  --bg: #ffffff;
  --bg-alt: #f6f8fc;
  --bg-card: #ffffff;
  --text: #131a2c;
  --text-soft: #5b6478;
  --text-muted: #8a93a6;
  --border: #e6eaf2;
  --grad-1: #eef3ff;
  --grad-2: #f7f0ff;
  --grad-3: #eafaff;
  --shadow: 0 10px 30px rgba(20, 30, 60, 0.08);
  --shadow-sm: 0 4px 14px rgba(20, 30, 60, 0.06);
}

/* Dark theme */
[data-theme="dark"] {
  --bg: #0f1422;
  --bg-alt: #131a2c;
  --bg-card: #18203a;
  --text: #eef2fb;
  --text-soft: #aab3c9;
  --text-muted: #6b7488;
  --border: #26304a;
  --grad-1: #16203f;
  --grad-2: #1d1838;
  --grad-3: #102a33;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.3);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .3s ease, color .3s ease;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ===== Buttons ===== */
.l-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .15s ease, background .2s ease, box-shadow .2s ease, color .2s ease;
  white-space: nowrap;
}
.l-button:active { transform: translateY(1px); }
.l-button_primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(45, 103, 246, 0.35);
}
.l-button_primary:hover { background: var(--accent-hover); }
.l-button_ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.l-button_ghost:hover { background: var(--accent-soft); }
.l-button_promo { padding: 15px 32px; font-size: 16px; }
.arrow { transition: transform .2s ease; }
.l-button:hover .arrow { transform: translateX(4px); }

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header__container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.header__logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; }
.logo__mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), #7b5cff);
  color: #fff; border-radius: 9px; font-weight: 800;
}
.header__nav { margin-left: 12px; }
.header-nav__list { display: flex; gap: 6px; }
.header-nav__list > li { position: relative; }
.header-nav__link {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 14px; border-radius: 10px;
  font-weight: 500; color: var(--text-soft);
  background: none; border: none; cursor: pointer; font-size: 15px;
  font-family: inherit;
  transition: background .2s ease, color .2s ease;
}
.header-nav__link:hover { background: var(--accent-soft); color: var(--text); }
.header-nav__link_active { color: var(--text); background: var(--accent-soft); }
.caret {
  width: 0; height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: .6;
}
.header-nav__dropdown {
  position: absolute; top: 110%; left: 0;
  min-width: 230px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 8px;
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s;
}
.header-nav__dropdown-wrapper:hover .header-nav__dropdown {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.header-nav__dropdown-link {
  display: block; padding: 10px 14px; border-radius: 8px;
  color: var(--text-soft); font-size: 14px; font-weight: 500;
}
.header-nav__dropdown-link:hover { background: var(--accent-soft); color: var(--text); }

.header__user-controls { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.theme-toggle {
  width: 40px; height: 40px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg-card);
  cursor: pointer; display: grid; place-items: center; font-size: 18px;
  color: var(--text); transition: background .2s ease;
}
.theme-toggle:hover { background: var(--accent-soft); }
.theme-toggle__moon { display: none; }
[data-theme="dark"] .theme-toggle__sun { display: none; }
[data-theme="dark"] .theme-toggle__moon { display: block; }

.burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.burger span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: .2s; }

.mobile-nav {
  display: none; flex-direction: column; gap: 4px;
  padding: 12px 24px 20px; border-top: 1px solid var(--border);
  background: var(--bg);
}
.mobile-nav.open { display: flex; }
.mobile-nav__link { padding: 12px 8px; color: var(--text-soft); font-weight: 500; border-radius: 8px; }
.mobile-nav__link:hover { background: var(--accent-soft); }
.mobile-nav__link_active { color: var(--text); background: var(--accent-soft); }
.mobile-nav__cta { margin-top: 8px; }

/* ===== Sections ===== */
section { padding: 90px 24px; }
.bordered-section { border-top: 1px solid var(--border); }
.gradient-block {
  background:
    radial-gradient(1200px 500px at 15% -10%, var(--grad-1), transparent 60%),
    radial-gradient(1000px 500px at 90% 0%, var(--grad-2), transparent 55%),
    radial-gradient(900px 500px at 50% 120%, var(--grad-3), transparent 60%);
}
.l-h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; letter-spacing: -0.02em; text-align: center; }
.l-sub-title { text-align: center; color: var(--text-soft); max-width: 640px; margin: 16px auto 0; font-size: 17px; }

/* ===== Hero ===== */
.l-promo { padding-top: 70px; padding-bottom: 110px; text-align: center; }
.l-promo__container { max-width: 980px; margin: 0 auto; }
.l-promo__icons { display: flex; justify-content: center; gap: 14px; margin-bottom: 34px; flex-wrap: wrap; }
.l-promo__icon {
  width: 56px; height: 56px; border-radius: 14px;
  display: grid; place-items: center; font-weight: 700; font-size: 14px; color: #fff;
  box-shadow: var(--shadow-sm);
}
.l-promo__icon_1 { background: linear-gradient(135deg,#10a37f,#0e8a6c); }
.l-promo__icon_2 { background: linear-gradient(135deg,#d97757,#c2410c); }
.l-promo__icon_3 { background: linear-gradient(135deg,#4285f4,#1a73e8); }
.l-promo__icon_4 { background: linear-gradient(135deg,#111827,#374151); }
.l-promo__title { font-size: clamp(34px, 6vw, 60px); font-weight: 800; line-height: 1.1; letter-spacing: -0.03em; }
.l-promo__title strong { color: var(--accent); }
.l-promo__subtitle { margin: 26px auto 0; display: flex; flex-direction: column; gap: 4px; color: var(--text-soft); font-size: 19px; }
.l-promo__buttons { margin-top: 38px; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.l-promo__scroll-btn {
  display: block; width: 26px; height: 42px; margin: 60px auto 0;
  border: 2px solid var(--text-muted); border-radius: 14px; position: relative;
}
.l-promo__scroll-btn::after {
  content: ""; position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 8px; background: var(--text-muted); border-radius: 2px;
  animation: scroll-dot 1.6s infinite;
}
@keyframes scroll-dot { 0%{opacity:0;transform:translate(-50%,0)} 40%{opacity:1} 100%{opacity:0;transform:translate(-50%,14px)} }

/* ===== API cards ===== */
.l-api__container, .l-teams__container, .l-devices__container,
.l-prices__container, .l-payment__container, .reviews__container,
.lending-faq__container, .l-offer__container { max-width: var(--maxw); margin: 0 auto; }
.l-api__heading, .l-teams__heading, .l-devices__heading, .l-payment__heading { text-align: center; margin-bottom: 50px; }
.l-api__cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.l-api__card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow-sm);
  transition: transform .2s ease, box-shadow .2s ease;
}
.l-api__card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.l-api__card-icon {
  width: 56px; height: 56px; border-radius: 14px; font-size: 26px;
  display: grid; place-items: center; background: var(--accent-soft); margin-bottom: 18px;
}
.l-api__card-title { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.l-api__card-text { color: var(--text-soft); font-size: 15px; }
.l-api__button { display: block; width: fit-content; margin: 40px auto 0; }

/* ===== Teams ===== */
.l-teams__content { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.l-teams__content-title { font-size: 26px; font-weight: 700; margin-bottom: 14px; }
.l-teams__content-text { color: var(--text-soft); font-size: 16px; }
.l-teams__list { display: flex; flex-direction: column; gap: 12px; margin-top: 26px; }
.l-teams__item {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 18px 20px;
}
.l-teams__item-icon {
  flex: 0 0 30px; width: 30px; height: 30px; border-radius: 50%;
  background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 15px;
}
.l-teams__item-title { font-weight: 600; font-size: 16px; }
.l-teams__item-text { color: var(--text-soft); font-size: 14px; }

/* ===== Devices ===== */
.l-devices__cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.l-devices__card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column;
  box-shadow: var(--shadow-sm);
}
.l-devices__image-wrapper { padding: 30px; min-height: 220px; display: flex; flex-direction: column; justify-content: center; }
.l-devices__image-wrapper_1 { background: linear-gradient(135deg, var(--grad-1), var(--grad-3)); }
.l-devices__image-wrapper_2 { background: linear-gradient(135deg, #e9f0ff, #efe9ff); align-items: center; }
[data-theme="dark"] .l-devices__image-wrapper_2 { background: linear-gradient(135deg, #16203f, #1d1838); }
.l-devices__left-card-title { font-weight: 600; margin-bottom: 16px; }
.l-devices__llms { display: flex; flex-wrap: wrap; gap: 12px; }
.l-devices__llm { display: flex; align-items: center; gap: 8px; background: var(--bg); border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px 6px 6px; }
.l-devices__llm-icon { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-size: 11px; font-weight: 700; }
.l-devices__llm-icon_1 { background: #10a37f; }
.l-devices__llm-icon_2 { background: #d97757; }
.l-devices__llm-icon_3 { background: #4285f4; }
.l-devices__llm-icon_4 { background: #111827; }
.l-devices__llm-text { font-size: 14px; font-weight: 500; }
.l-devices__tg-card { text-align: center; }
.l-devices__tg-icon { width: 64px; height: 64px; border-radius: 18px; background: #2aabee; color: #fff; font-size: 30px; display: grid; place-items: center; margin: 0 auto 14px; }
.l-devices__tg-title { font-weight: 700; font-size: 18px; }
.l-devices__tg-text { color: var(--text-soft); }
.l-devices__card-info { padding: 26px 30px 30px; }
.l-devices__card-title { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.l-devices__card-text { color: var(--text-soft); font-size: 15px; margin-bottom: 18px; }

/* ===== Prices ===== */
.price-table { max-width: 880px; margin: 0 auto; overflow-x: auto; }
.price-table__table { width: 100%; border-collapse: collapse; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.price-table__table th, .price-table__table td { padding: 16px 20px; text-align: left; border-bottom: 1px solid var(--border); }
.price-table__table thead th { background: var(--bg-alt); font-size: 14px; color: var(--text-soft); font-weight: 600; }
.price-table__table tbody tr:last-child td { border-bottom: none; }
.price-table__table tbody tr:hover { background: var(--accent-soft); }
.price-table__td_name { font-weight: 600; display: flex; align-items: center; gap: 12px; }
.price-table__badge { width: 22px; height: 22px; border-radius: 6px; flex: 0 0 22px; }
.badge_anthropic { background: #d97757; }
.badge_google { background: #4285f4; }
.badge_openai { background: #10a37f; }
.badge_xai { background: #111827; }
.badge_yandex { background: #ffcc00; }
.price-table__th_desktop { font-variant-numeric: tabular-nums; }
.price-table__td_mobile { display: none; }
.l-prices__button { display: block; width: fit-content; margin: 36px auto 0; }

/* ===== Payment ===== */
.l-payment__cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.l-payment__card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; text-align: center; box-shadow: var(--shadow-sm); }
.l-payment__icon { font-size: 34px; margin-bottom: 14px; }
.l-payment__card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.l-payment__card p { color: var(--text-soft); font-size: 14px; }

/* ===== Reviews ===== */
.reviews__header { text-align: center; margin-bottom: 44px; }
.reviews__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow-sm); }
.review-card__stars { color: #ffb400; font-size: 18px; margin-bottom: 12px; }
.review-card__text { font-size: 15px; color: var(--text); margin-bottom: 16px; }
.review-card__author { font-size: 14px; font-weight: 600; color: var(--text-soft); }

/* ===== FAQ ===== */
.lending-faq__title { margin-bottom: 40px; }
.lending-faq__list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.lending-faq__list-item { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.lending-faq__item {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px; background: none; border: none; cursor: pointer;
  font-family: inherit; font-size: 17px; font-weight: 600; color: var(--text); text-align: left;
}
.lending-faq__item-arrow { flex: 0 0 12px; width: 12px; height: 12px; border-right: 2px solid var(--text-soft); border-bottom: 2px solid var(--text-soft); transform: rotate(45deg); transition: transform .25s ease; }
.lending-faq__list-item.open .lending-faq__item-arrow { transform: rotate(-135deg); }
.lending-faq__item-content { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.lending-faq__item-content p { padding: 0 24px 22px; color: var(--text-soft); font-size: 15px; }

/* ===== Offer ===== */
.l-offer { text-align: center; }
.l-offer__title { font-size: clamp(30px, 5vw, 48px); font-weight: 800; }
.l-offer__subtitle { color: var(--text-soft); font-size: 18px; margin: 16px auto 34px; max-width: 560px; }
.l-offer__buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== Footer ===== */
.footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding: 40px 24px; }
.footer__container { max-width: var(--maxw); margin: 0 auto; }
.footer__wrapper { display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between; }
.footer__copyright { font-weight: 600; }
.footer__tg a { color: var(--accent); font-weight: 600; }
.footer__links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer__link { color: var(--text-soft); font-size: 14px; }
.footer__link:hover { color: var(--text); }
.footer__bottom { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 14px; }

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .header__nav, .header__user-controls .l-button { display: none; }
  .burger { display: flex; }
  .l-api__cards, .l-devices__cards, .l-payment__cards, .reviews__grid { grid-template-columns: 1fr; }
  .l-teams__content { grid-template-columns: 1fr; gap: 30px; }
  .price-table__th_desktop, .price-table__td_name .price-table__th_desktop { display: none; }
  .price-table__td_mobile { display: table-cell; }
  section { padding: 64px 20px; }
}
@media (max-width: 560px) {
  .l-promo__title { font-size: 32px; }
  .header__container { padding: 12px 16px; }
}

/* ===== Models page ===== */
.models-toolbar {
  display: flex;
  gap: 16px;
  align-items: center;
  max-width: 880px;
  margin: 0 auto 24px;
  flex-wrap: wrap;
}
.models-search {
  flex: 1;
  min-width: 240px;
  padding: 12px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
}
.models-search:focus { outline: none; border-color: var(--accent); }
.models-count {
  color: var(--text-soft);
  font-size: 14px;
  white-space: nowrap;
}
.models-loading {
  text-align: center;
  color: var(--text-soft);
  padding: 40px;
}
.models-note {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 20px;
}

/* ===== Models catalog (filters + cards) ===== */
.models-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  align-items: start;
  margin-top: 8px;
}
.models-filters {
  position: sticky;
  top: 90px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
}
.models-filters__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 16px;
}
.models-filters__reset {
  background: none;
  border: none;
  color: var(--accent);
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}
.models-filters__group { margin-bottom: 18px; }
.models-filters__label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-soft);
  margin-bottom: 8px;
}
.models-select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
}
.models-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.models-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-soft);
  font-size: 13px;
  cursor: pointer;
  user-select: none;
  transition: all .15s ease;
}
.models-chip input { display: none; }
.models-chip:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}
.models-range { width: 100%; accent-color: var(--accent); }
.models-range__val { font-size: 13px; color: var(--text-soft); margin-top: 6px; }

.models-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  gap: 12px;
}
.models-filters-toggle {
  display: none;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
}

.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}
.model-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  transition: transform .15s ease, box-shadow .15s ease;
}
.model-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(0,0,0,.12);
}
.model-card__top { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.model-card__title { min-width: 0; }
.model-card__name {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
}
.model-card__id {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.model-card__desc {
  font-size: 13px;
  color: var(--text-soft);
  line-height: 1.5;
  margin: 0 0 12px;
  min-height: 56px;
}
.model-card__mods { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.model-card__mod {
  font-size: 11px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-soft);
  text-transform: capitalize;
}
.model-card__info {
  border-top: 1px solid var(--border);
  padding-top: 12px;
  margin-bottom: 14px;
}
.model-card__info-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 3px 0;
  color: var(--text-soft);
}
.model-card__info-row b { color: var(--text); font-weight: 600; }
.model-card__actions { display: flex; gap: 10px; margin-top: auto; }
.model-card__chat, .model-card__details { flex: 1; text-align: center; padding: 10px 12px; font-size: 14px; }

@media (max-width: 900px) {
  .models-layout { grid-template-columns: 1fr; }
  .models-filters { position: static; display: none; }
  .models-filters.open { display: block; }
  .models-filters-toggle { display: inline-block; }
}

/* ===== Top search + quick filters ===== */
.models-topbar {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 14px;
}
.models-search_top {
  flex: 1;
  min-width: 0;
  padding: 14px 20px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-family: inherit;
  font-size: 16px;
}
.models-search_top:focus { outline: none; border-color: var(--accent); }
.models-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.models-quick__btn {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-soft);
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: all .15s ease;
}
.models-quick__btn:hover { border-color: var(--accent); color: var(--accent); }
.models-quick__btn_active { background: var(--accent); border-color: var(--accent); color: #fff; }
.models-quick__btn_reset { margin-left: auto; color: var(--text-muted); }

/* ===== Pagination ===== */
.models-pager {
  display: flex;
  justify-content: center;
  margin-top: 28px;
}
.models-pager__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.models-pager__btn {
  min-width: 40px;
  padding: 9px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: all .15s ease;
}
.models-pager__btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.models-pager__btn_active { background: var(--accent); border-color: var(--accent); color: #fff; }
.models-pager__btn:disabled { opacity: .4; cursor: default; }
.models-pager__ellipsis { color: var(--text-muted); padding: 0 4px; }

/* ===== Chat page ===== */
.chat-page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
  height: calc(100vh - 68px);
  display: flex;
}
.chat-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 20px;
  width: 100%;
  min-height: 0;
}

/* Левая панель моделей */
.chat-side {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}
.chat-side__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
}
.chat-side__title { font-size: 16px; font-weight: 700; }
.chat-side__close { display: none; background: none; border: none; color: var(--text-soft); font-size: 18px; cursor: pointer; }
.chat-side__search { padding: 14px 16px; }
.chat-side__search-input {
  width: 100%;
  padding: 11px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
}
.chat-side__search-input:focus { outline: none; border-color: var(--accent); }
.chat-side__list { overflow-y: auto; padding: 0 10px 14px; flex: 1; }
.chat-side__loading { padding: 20px; color: var(--text-soft); font-size: 14px; text-align: center; }
.chat-model {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: none;
  color: var(--text);
  cursor: pointer;
  font-family: inherit;
  transition: background .15s ease, border-color .15s ease;
}
.chat-model:hover { background: var(--accent-soft); }
.chat-model_active { background: var(--accent-soft); border-color: var(--accent); }
.chat-model__body { min-width: 0; display: flex; flex-direction: column; }
.chat-model__name { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat-model__meta { font-size: 12px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Основная область чата */
.chat-main {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  min-height: 0;
}
.chat-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.chat-topbar__menu { display: none; background: none; border: 1px solid var(--border); border-radius: 10px; width: 40px; height: 40px; font-size: 18px; cursor: pointer; color: var(--text); }
.chat-topbar__model { display: flex; align-items: center; gap: 10px; min-width: 0; }
.chat-topbar__name { font-weight: 700; font-size: 15px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat-topbar__id { font-size: 12px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat-topbar__new {
  margin-left: auto;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-soft);
  font-family: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: all .15s ease;
}
.chat-topbar__new:hover { border-color: var(--accent); color: var(--accent); }

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.chat-empty {
  margin: auto;
  text-align: center;
  max-width: 420px;
  color: var(--text-soft);
}
.chat-empty__icon { font-size: 48px; margin-bottom: 16px; }
.chat-empty h3 { font-size: 20px; color: var(--text); margin-bottom: 10px; }
.chat-empty p { font-size: 15px; }

.msg { display: flex; gap: 10px; max-width: 80%; }
.msg_user { align-self: flex-end; flex-direction: row-reverse; }
.msg_ai { align-self: flex-start; }
.msg__bubble {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px 16px;
  font-size: 15px;
  line-height: 1.55;
  word-wrap: break-word;
  overflow-wrap: anywhere;
}
.msg_user .msg__bubble { background: var(--accent); color: #fff; border-color: var(--accent); }
.msg__text { white-space: pre-wrap; }
.msg__files { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; }
.msg__img { max-width: 200px; max-height: 200px; border-radius: 10px; }
.msg__file { display: inline-block; background: rgba(255,255,255,.2); padding: 4px 10px; border-radius: 8px; font-size: 13px; }

/* Поле ввода */
.chat-input {
  border-top: 1px solid var(--border);
  padding: 14px 18px 16px;
}
.chat-input__files { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.file-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 8px 5px 12px;
  font-size: 13px;
}
.file-chip__name { max-width: 160px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-chip__size { color: var(--text-muted); font-size: 12px; }
.file-chip__x { background: none; border: none; color: var(--text-soft); cursor: pointer; font-size: 13px; padding: 2px 4px; border-radius: 6px; }
.file-chip__x:hover { background: var(--accent-soft); color: var(--accent); }
.chat-input__row { display: flex; align-items: flex-end; gap: 10px; }
.chat-input__attach {
  flex: 0 0 46px;
  width: 46px; height: 46px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-soft);
  font-size: 20px;
  cursor: pointer;
  transition: all .15s ease;
}
.chat-input__attach:hover { border-color: var(--accent); color: var(--accent); }
.chat-input__text {
  flex: 1;
  resize: none;
  max-height: 200px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  line-height: 1.5;
}
.chat-input__text:focus { outline: none; border-color: var(--accent); }
.chat-input__send {
  flex: 0 0 46px;
  width: 46px; height: 46px;
  border-radius: 12px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  transition: background .15s ease;
}
.chat-input__send:hover:not(:disabled) { background: var(--accent-hover); }
.chat-input__send:disabled { opacity: .5; cursor: default; }
.chat-input__hint { margin-top: 8px; font-size: 12px; color: var(--text-muted); }

@media (max-width: 900px) {
  .chat-page { padding: 12px; height: calc(100vh - 64px); }
  .chat-layout { grid-template-columns: 1fr; position: relative; }
  .chat-side {
    position: absolute;
    z-index: 20;
    top: 0; left: 0; bottom: 0;
    width: 85%;
    max-width: 340px;
    transform: translateX(-105%);
    transition: transform .25s ease;
    border-radius: 0;
  }
  .chat-side.open { transform: translateX(0); }
  .chat-side__close { display: block; }
  .chat-topbar__menu { display: block; }
  .msg { max-width: 92%; }
}

/* ===== Статистика расходов ===== */
.stats-page { display: block; }
.stats-hero { padding: 90px 0 50px; }
.stats-hero__container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
.stats-hero__title { font-size: 40px; font-weight: 800; margin: 0 0 12px; }
.stats-hero__subtitle { font-size: 17px; opacity: 0.8; margin: 0; max-width: 640px; }

.stats-content { padding: 30px 0 70px; }
.stats-content__container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

.stats-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 32px; }
.stats-card { background: var(--card-bg, #fff); border: 1px solid var(--border, #e6e8ee); border-radius: 16px; padding: 20px; box-shadow: 0 4px 18px rgba(20,30,60,0.05); }
.stats-card__label { font-size: 13px; opacity: 0.65; margin-bottom: 8px; }
.stats-card__value { font-size: 26px; font-weight: 800; }

.stats-table-wrap { background: var(--card-bg, #fff); border: 1px solid var(--border, #e6e8ee); border-radius: 16px; padding: 22px; box-shadow: 0 4px 18px rgba(20,30,60,0.05); }
.stats-table__title { font-size: 20px; font-weight: 700; margin: 0 0 16px; }
.stats-table__scroll { overflow-x: auto; }
.stats-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.stats-table th, .stats-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--border, #eef0f5); white-space: nowrap; }
.stats-table th { font-weight: 700; opacity: 0.7; font-size: 13px; }
.stats-table tbody tr:hover { background: rgba(120,130,170,0.06); }
.stats-table td:first-child { white-space: normal; }
.stats-empty { text-align: center; opacity: 0.6; padding: 28px 0; }
.stats-note { font-size: 13px; opacity: 0.6; margin: 16px 0 0; }

.stats-actions { display: flex; gap: 12px; margin-top: 24px; flex-wrap: wrap; }

.model-badge { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 8px; vertical-align: middle; background: #6b7280; }
.model-badge.badge_openai { background: #10a37f; }
.model-badge.badge_anthropic { background: #d97757; }
.model-badge.badge_google { background: #4285f4; }
.model-badge.badge_xai { background: #111; }
.model-badge.badge_yandex { background: #ffcc00; }

@media (max-width: 900px) {
  .stats-cards { grid-template-columns: repeat(2, 1fr); }
  .stats-hero__title { font-size: 30px; }
}
@media (max-width: 520px) {
  .stats-cards { grid-template-columns: 1fr; }
}

/* ===== Auth page (вход/регистрация) ===== */
.auth-page {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: calc(100vh - 80px);
  padding: 40px 20px;
}
.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card, #fff);
  border: 1px solid var(--border, #e6e8ee);
  border-radius: 16px;
  padding: 32px;
  box-shadow: 0 4px 18px rgba(20,30,60,0.05);
}
.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--border, #e6e8ee);
}
.auth-tab {
  flex: 1;
  padding: 10px 0;
  background: none;
  border: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted, #8a93a6);
  cursor: pointer;
  transition: all .15s;
}
.auth-tab:hover { color: var(--text, #131a2c); }
.auth-tab_active {
  color: var(--accent, #2d67f6);
  background: var(--accent-soft, rgba(45, 103, 246, 0.1));
  border-radius: 8px;
}
.auth-form { display: flex; flex-direction: column; gap: 16px; }
.auth-form[hidden] { display: none; }
.auth-title { font-size: 20px; font-weight: 700; margin: 0 0 4px; }
.auth-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-soft, #5b6478);
}
.auth-field input {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border, #e6e8ee);
  background: var(--bg, #fff);
  color: var(--text, #131a2c);
  font-size: 15px;
  font-family: inherit;
  transition: border-color .15s;
}
.auth-field input:focus { outline: none; border-color: var(--accent, #2d67f6); }
.auth-error { font-size: 13px; color: #e53e3e; min-height: 0; }
.auth-submit { width: 100%; padding: 12px; font-size: 15px; }
.auth-hint { font-size: 13px; opacity: 0.6; text-align: center; }

/* Регистрация — визуальное отличие */
#registerForm {
  background: var(--bg-alt, #f6f8fc);
  border-radius: 12px;
  padding: 20px;
  margin-top: 4px;
  border: 1px dashed var(--border, #e6e8ee);
}
#registerForm .auth-title { color: var(--accent, #2d67f6); }
#registerForm .auth-submit { background: var(--accent-hover, #1f54d6); }

/* ===== Dashboard (личный кабинет) ===== */
.dashboard-page {
  max-width: 880px;
  margin: 0 auto;
  padding: 40px 20px 64px;
}
.dashboard-head { margin-bottom: 24px; }
.dashboard-title {
  font-size: 28px;
  font-weight: 800;
  margin: 0 0 4px;
  letter-spacing: -0.02em;
}
.dashboard-subtitle {
  margin: 0;
  font-size: 15px;
  color: var(--text-muted, #8a93a6);
}

/* Баланс */
.dashboard-balance {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 28px 32px;
  border-radius: 18px;
  margin-bottom: 32px;
  color: #fff;
  background: linear-gradient(120deg, #2d67f6 0%, #6a3df6 100%);
  box-shadow: 0 12px 30px rgba(45, 103, 246, 0.25);
}
.dashboard-balance__icon {
  flex: 0 0 auto;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.18);
}
.dashboard-balance__body { flex: 1 1 auto; min-width: 0; }
.dashboard-balance__label {
  font-size: 13px;
  opacity: 0.85;
  margin-bottom: 2px;
}
.dashboard-balance__value {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.dashboard-balance__actions {
  flex: 0 0 auto;
  display: flex;
  gap: 10px;
}
.dashboard-input {
  width: 150px;
  padding: 11px 14px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 14px;
  font-family: inherit;
}
.dashboard-input::placeholder { color: rgba(255, 255, 255, 0.7); }
.dashboard-input:focus { outline: none; border-color: #fff; background: rgba(255, 255, 255, 0.25); }
.dashboard-balance__actions .l-button_primary {
  background: #fff;
  color: #2d67f6;
  border-color: #fff;
}
.dashboard-balance__actions .l-button_primary:hover { background: rgba(255, 255, 255, 0.9); }

/* API-ключи */
.dashboard-keys__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.dashboard-keys__title { font-size: 20px; font-weight: 700; margin: 0 0 6px; }
.dashboard-keys__hint {
  margin: 0;
  font-size: 13px;
  color: var(--text-muted, #8a93a6);
  max-width: 560px;
  line-height: 1.5;
}
.dashboard-keys__hint code {
  background: var(--bg-alt, #f6f8fc);
  padding: 1px 6px;
  border-radius: 6px;
  font-size: 12px;
}
.dashboard-keys__list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.dashboard-keys__loading,
.dashboard-keys__empty {
  grid-column: 1 / -1;
  padding: 28px;
  text-align: center;
  color: var(--text-muted, #8a93a6);
  background: var(--bg-card, #fff);
  border: 1px dashed var(--border, #e6e8ee);
  border-radius: 14px;
  font-size: 14px;
}
.key-card {
  background: var(--bg-card, #fff);
  border: 1px solid var(--border, #e6e8ee);
  border-radius: 14px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow .15s, transform .15s;
}
.key-card:hover {
  box-shadow: var(--shadow-sm, 0 4px 14px rgba(20, 30, 60, 0.06));
  transform: translateY(-2px);
}
.key-card__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.key-card__name { font-size: 15px; font-weight: 700; }
.key-card__badge {
  font-size: 11px;
  font-weight: 600;
  color: #1a9c5b;
  background: rgba(26, 156, 91, 0.12);
  padding: 3px 8px;
  border-radius: 999px;
}
.key-card__key {
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 13px;
  background: var(--bg-alt, #f6f8fc);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text-soft, #5b6478);
  word-break: break-all;
}
.key-card__meta {
  font-size: 12px;
  color: var(--text-muted, #8a93a6);
}
.key-card__actions {
  display: flex;
  gap: 8px;
  margin-top: 2px;
}
.key-card__btn {
  flex: 1;
  padding: 8px 10px;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border, #e6e8ee);
  background: var(--bg, #fff);
  color: var(--text, #131a2c);
  transition: all .15s;
}
.key-card__btn:hover { border-color: var(--accent, #2d67f6); color: var(--accent, #2d67f6); }
.key-card__del:hover { border-color: #e53e3e; color: #e53e3e; }

@media (max-width: 640px) {
  .dashboard-balance { flex-direction: column; align-items: stretch; text-align: center; }
  .dashboard-balance__icon { align-self: center; }
  .dashboard-balance__actions { flex-direction: column; }
  .dashboard-input { width: 100%; }
  .dashboard-keys__head { flex-direction: column; }
}