/* Komponentlar — «Sukunat». Karta yo'q: ro'yxat, chiziq, bo'sh joy.
   Chegarali blok faqat interaktiv element (input, chip, tugma) va bosh
   sahifadagi uchta blok uchun. */

/* `hidden` atributi HAR DOIM kuchga kiradi (UA qoidasi muallif `display` dan past). */
[hidden] { display: none !important; }

/* Ekrandan yashirin, lekin skrinrider uchun mavjud. Har sahifada kerak
   bo'lgani uchun shu yerda: sahifa CSS ida takrorlansa, biri unutiladi va
   sarlavha ekranda qolib ketadi. */
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }

.container { width: min(var(--content-width), calc(100% - 64px)); margin-inline: auto; }
.reading { width: min(var(--reading-width), calc(100% - 48px)); margin-inline: auto; }

/* Matn */
.eyebrow { margin: 0 0 20px; font-size: 12px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--text-tertiary); }
.page-title { margin: 0; font-size: 40px; line-height: 1.1; font-weight: 300; letter-spacing: -.03em; }
.page-lede { margin: 14px 0 0; max-width: 620px; font-size: 15px; line-height: 1.6; color: var(--text-secondary); }
.page-head { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; }
.page-count { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 13px; color: var(--text-tertiary); white-space: nowrap; }
.section-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 24px; margin-bottom: 8px; }
.section-heading h2 { margin: 0; font-size: 24px; font-weight: 400; letter-spacing: -.02em; }
.section-heading p { margin: 6px 0 0; color: var(--text-secondary); line-height: 1.6; }
.text-link { color: var(--accent); font-weight: 500; text-decoration: none; display: inline-flex; align-items: center; gap: 8px; }
.meta { font-size: 14px; color: var(--text-tertiary); }

/* Tugmalar */
.button { min-height: 44px; padding: 0 18px; display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid transparent; border-radius: var(--radius-control); font-size: 14px; font-weight: 500; text-decoration: none; cursor: pointer; color: var(--text-primary); background: transparent; }
.button-primary { color: var(--text-on-button); background: var(--button); }
.button-secondary { border-color: var(--border-strong); }
.button-secondary [data-icon="arrow"] svg { transform: rotate(180deg); }
.button-ghost { color: var(--text-secondary); }
.button:disabled, .button[aria-disabled="true"] { opacity: .5; cursor: default; }
@media (hover: hover) and (pointer: fine) { .button-secondary:hover, .button-ghost:hover { color: var(--text-primary); border-color: var(--text-primary); } .button-primary:hover { opacity: .9; } }

/* Chip — filtr, tag, status. Faol = accent. */
.chip { display: inline-flex; align-items: center; gap: 6px; min-height: 32px; padding: 0 12px; border: 1px solid var(--border-strong); border-radius: var(--radius-pill); font-size: 13px; color: var(--text-secondary); background: transparent; cursor: pointer; text-decoration: none; white-space: nowrap; }
.chip[aria-pressed="true"], .chip[aria-current="true"], .chip.is-active { border-color: var(--accent); background: var(--accent); color: var(--text-on-accent); }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }

/* Qidiruv qatori va input */
.search-field { display: flex; align-items: center; gap: 12px; min-height: 48px; padding: 0 16px; border: 1px solid var(--border-strong); border-radius: var(--radius-control); color: var(--text-tertiary); background: var(--canvas); }
.search-field:focus-within { border-color: var(--text-primary); }
.search-field input { flex: 1; min-width: 0; min-height: 44px; border: 0; padding: 0; background: transparent; color: var(--text-primary); font-size: 15px; outline: none; }
.search-field input::placeholder { color: var(--text-tertiary); }
.search-field-large { min-height: 64px; padding: 0 22px; border-radius: 14px; }
.search-field-large input { font-size: 18px; font-weight: 300; }
.kbd { font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); border: 1px solid var(--border-subtle); border-radius: 6px; padding: 2px 6px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 13px; font-weight: 500; color: var(--text-secondary); }
.input { min-height: 44px; padding: 0 14px; border: 1px solid var(--border-strong); border-radius: var(--radius-control); background: var(--canvas); color: var(--text-primary); font-size: 15px; }
.input:focus { outline: none; border-color: var(--text-primary); }

/* Jadval — ro'yxat sahifalari */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { text-align: left; padding: 0 16px 12px 0; font-size: 11px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--text-tertiary); border-bottom: 1px solid var(--border-subtle); }
.data-table td { padding: 16px 16px 16px 0; border-bottom: 1px solid var(--border-subtle); font-size: 15px; color: var(--text-primary); vertical-align: top; line-height: 1.45; }
.data-table td.is-muted { color: var(--text-secondary); font-size: 14px; }
.data-table td.is-mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 13px; color: var(--text-secondary); }
.data-table tr[data-href] { cursor: pointer; }
@media (hover: hover) and (pointer: fine) { .data-table tr[data-href]:hover td { color: var(--accent); } }

/* Qatorlar — bo'limlar, mavzular, savollar ro'yxati */
.rows { margin: 0; padding: 0; list-style: none; }
.row { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 16px; align-items: baseline; min-height: 44px; padding: 16px 0; border-top: 1px solid var(--border-subtle); color: inherit; text-decoration: none; }
.rows > :last-child .row, .rows > .row:last-child { border-bottom: 1px solid var(--border-subtle); }
.row-num { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 13px; color: var(--text-tertiary); min-width: 2.5em; }
.row-title { font-size: 16px; font-weight: 500; color: var(--text-primary); }
.row-sub { display: block; margin-top: 4px; font-size: 13px; color: var(--text-tertiary); }
.row-count { font-family: var(--font-mono); font-variant-numeric: tabular-nums; font-size: 13px; color: var(--text-tertiary); white-space: nowrap; }
.row-count.is-ready { color: var(--text-primary); }
.row[aria-current="page"] .row-title { color: var(--accent); }
@media (hover: hover) and (pointer: fine) { a.row:hover .row-title { color: var(--accent); } }

/* Ta'rif qatorlari — «Asosiy raqamlar» */
.dl-rows { margin: 0; }
.dl-rows > div { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 24px; align-items: baseline; padding: 14px 0; border-top: 1px solid var(--border-subtle); }
.dl-rows > div:last-child { border-bottom: 1px solid var(--border-subtle); }
.dl-rows dt { margin: 0; font-size: 13px; color: var(--text-tertiary); }
.dl-rows dd { margin: 0; font-size: 17px; color: var(--text-primary); font-variant-numeric: tabular-nums; }

/* Tezkor plitka — faqat bosh sahifa */
.quick-tiles { display: flex; flex-wrap: wrap; justify-content: center; gap: 24px; }
.quick-tile { display: flex; flex-direction: column; align-items: center; gap: 10px; width: 80px; color: var(--text-body); font-size: 13px; line-height: 1.25; text-align: center; text-decoration: none; }
.quick-tile-icon { display: inline-flex; align-items: center; justify-content: center; width: 56px; height: 56px; border-radius: 16px; background: var(--canvas-raised); color: var(--text-primary); box-shadow: var(--shadow-raised); }
/* Ikonka bosilganda `.quick-tile` bilan birga kichrayadi (motion.css), shu
   yerda esa faqat ko'tarilish va soya kuchayishi — ikkalasi bir xil
   davomiylikda, aks holda soya o'lchamdan ortda qolib «sirg'aladi». */
@media (hover: hover) and (pointer: fine) {
  .quick-tile:hover .quick-tile-icon { color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-raised-hover); }
}

/* Chegarali blok — faqat bosh sahifadagi uchta blok */
.tile { display: flex; flex-direction: column; gap: 10px; padding: 20px 22px; border: 1px solid var(--border-strong); border-radius: var(--radius-card); color: var(--text-primary); text-decoration: none; box-shadow: var(--shadow-raised); }
/* «Tez kunda» bloki bosilmaydi — soyasiz va tekis qoladi, aks holda
   ko'tarilgani uni bosiladigandek ko'rsatardi. */
.tile-dashed { border-style: dashed; box-shadow: none; }
@media (hover: hover) and (pointer: fine) {
  a.tile:hover, .tile[href]:hover { box-shadow: var(--shadow-raised-hover); }
}
.tile h3 { margin: 0; font-size: 16px; font-weight: 500; }
.tile p { margin: 0; font-size: 14px; line-height: 1.5; color: var(--text-secondary); }
.tile-kicker { font-size: 11px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--text-tertiary); }
.tile-kicker.is-active { color: var(--accent); }

/* Suzuvchi boshqaruv guruhi — o‘quvchida mundarija va keyingi mavzu.
   Sahifadagi yagona soya shu yerda. Aylantirilganda guruh pastga ketadi. */
.reader-dock { position: fixed; left: 50%; bottom: max(28px, env(safe-area-inset-bottom)); z-index: 25; transform: translateX(-50%); display: flex; gap: 8px; transition: transform 220ms var(--ease-out), opacity 180ms var(--ease-standard); }
[data-reading="hidden"] .reader-dock { transform: translateX(-50%) translateY(calc(100% + 40px)); opacity: 0; pointer-events: none; }
.float-pill { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; padding: 0 18px 0 16px; border: 1px solid var(--border-strong); border-radius: var(--radius-pill); background: var(--canvas); color: var(--text-primary); font-size: 14px; font-weight: 500; box-shadow: var(--shadow-float); cursor: pointer; white-space: nowrap; text-decoration: none; }
.float-pill .mono { font-size: 12px; color: var(--text-tertiary); font-weight: 400; }
/* Qadam tugmalari faqat ikonka: uchta matnli pill mobil ekranga sig'maydi.
   Ma'no `aria-label` da, ya'ni skrinrider uchun yo'qolmaydi. */
.float-pill-step { width: 44px; padding: 0; justify-content: center; color: var(--accent); }
.float-pill-step[hidden] { display: none; }
/* Pastki nav ustida turadi — u ham yashiringanda dock pastroq tushmaydi,
   chunki ikkalasi bir vaqtda ketadi. */
@media (max-width: 900px) { .reader-dock { bottom: calc(var(--bottom-nav-height) + env(safe-area-inset-bottom) + 16px); } }

/* Progress — 1px chiziq */
.progress-line { width: 100%; height: 1px; background: var(--border-subtle); }
.progress-line > i { display: block; height: 1px; background: var(--accent); }

/* Holatlar — loading / empty / locked / error (spec §17: aralashtirilmaydi) */
.state { padding: 40px 0; color: var(--text-secondary); font-size: 15px; line-height: 1.6; }
.state-title { margin: 0 0 6px; font-size: 18px; font-weight: 500; color: var(--text-primary); }
.state-icon { display: inline-flex; margin-bottom: 14px; color: var(--text-tertiary); }
.state-actions { display: flex; gap: 12px; margin-top: 18px; }
.state[data-state="error"] .state-icon { color: var(--danger); }
.state[data-state="locked"] .state-icon { color: var(--text-primary); }

/* Ko'chish davri: eski sahifalar ishlatadigan klasslar. Sahifa yangi tilga
   o'tgach shu bo'lim qisqaradi. */
.catalog-card { display: flex; flex-direction: column; min-height: 44px; padding: 20px 0; border-top: 1px solid var(--border-subtle); color: inherit; text-decoration: none; }
.card-icon { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; color: var(--text-primary); background: var(--canvas-raised); box-shadow: var(--shadow-raised); }
.catalog-card h3 { margin: 16px 0 6px; font-size: 16px; font-weight: 500; }
.catalog-card p { margin: 0; color: var(--text-secondary); font-size: 14px; line-height: 1.55; }
.card-meta { margin-top: auto; padding-top: 16px; display: flex; justify-content: space-between; color: var(--text-tertiary); font-size: 12px; }
.card-action { color: var(--accent); font-weight: 500; }
.clinical-language { display: inline-flex; align-items: center; min-height: 24px; padding: 0 8px; border: 1px solid var(--border-subtle); border-radius: var(--radius-pill); font-size: 11px; color: var(--text-secondary); }

@media (max-width: 600px) {
  .container { width: calc(100% - 48px); }
  .page-title { font-size: 30px; }
  .page-head { flex-direction: column; gap: 6px; }
  .dl-rows > div { grid-template-columns: 1fr; gap: 4px; padding: 12px 0; }
  .dl-rows dd { font-size: 16px; }
  .quick-tiles { gap: 16px 12px; }
  .quick-tile { width: 72px; font-size: 12px; }
  .data-table th:nth-child(n+3), .data-table td:nth-child(n+3) { display: none; }
}