:root {
  --bg: #FAFAF7; --card: #FFFFFF; --ink: #1A1A1A; --mut: #6B6B6B; --line: #E8E6E0;
  --soft: #F2F1EC; --ok: #1F9D55; --bad: #D64545; --warn: #C98A00;
  --acc: #5B5BD6; --acc-soft: color-mix(in srgb, var(--acc) 12%, transparent);
  --top: 56px; --tab: 64px; --safe-b: env(safe-area-inset-bottom, 0px);
  --serif: "New York", "Iowan Old Style", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #111111; --card: #1B1B1B; --ink: #F2F2F0; --mut: #9A9A96; --line: #2C2C2A; --soft: #232322; }
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--ink); font: 16px/1.5 var(--sans); }
body { overflow: hidden; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
textarea, input, select { font: inherit; color: var(--ink); background: var(--soft); border: 1px solid var(--line); border-radius: 12px; padding: 12px; width: 100%; }
textarea { min-height: 96px; resize: vertical; }

/* Yuqori panel */
.top { position: fixed; inset: 0 0 auto 0; height: calc(var(--top) + env(safe-area-inset-top)); padding: env(safe-area-inset-top) 16px 0;
  display: flex; align-items: center; justify-content: space-between; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); z-index: 10; border-bottom: 1px solid var(--line); }
.book-btn { display: flex; align-items: center; gap: 8px; font-weight: 650; font-size: 17px; }
.book-btn .dot { width: 10px; height: 10px; border-radius: 50%; background: var(--acc); }
.book-btn .chev { color: var(--mut); font-size: 12px; }
.streak { font-weight: 600; font-size: 15px; color: var(--mut); }

main { position: fixed; inset: calc(var(--top) + env(safe-area-inset-top)) 0 calc(var(--tab) + var(--safe-b)) 0; }
.view { height: 100%; overflow-y: auto; -webkit-overflow-scrolling: touch; }
.pad { padding: 20px 16px 40px; max-width: 640px; margin: 0 auto; }

/* Pastki tablar */
.tabs { position: fixed; inset: auto 0 0 0; height: calc(var(--tab) + var(--safe-b)); padding-bottom: var(--safe-b);
  display: grid; grid-template-columns: repeat(4, 1fr); background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-top: 1px solid var(--line); z-index: 10; }
.tabs button { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; font-size: 11px; color: var(--mut); position: relative; }
.tabs .ic { font-size: 20px; line-height: 1; }
.tabs button.on { color: var(--acc); font-weight: 600; }
.badge { position: absolute; top: 6px; left: calc(50% + 8px); background: var(--bad); color: #fff; font-size: 11px; border-radius: 10px; padding: 0 6px; min-width: 18px; line-height: 18px; }

/* Lenta (reels) */
.feed { height: 100%; overflow-y: auto; scroll-snap-type: y mandatory; }
.slot { height: 100%; scroll-snap-align: start; scroll-snap-stop: always; padding: 14px 16px; display: flex; }
.card { position: relative; flex: 1; max-width: 560px; margin: 0 auto; background: var(--card); border: 1px solid var(--line); border-radius: 24px;
  padding: 26px 22px 18px; display: flex; flex-direction: column; overflow: hidden; box-shadow: 0 1px 2px rgb(0 0 0 / .04), 0 8px 30px rgb(0 0 0 / .04); }
.card .body { flex: 1; display: flex; flex-direction: column; justify-content: center; overflow-y: auto; overflow-x: hidden; min-height: 0; }
.kicker { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--acc); font-weight: 700; margin-bottom: 10px; }
.card h2 { font-size: 27px; line-height: 1.18; margin: 0 0 6px; letter-spacing: -.02em; }
.ru { font-family: var(--serif); font-style: italic; color: var(--mut); margin-bottom: 16px; }
.txt { font-size: 17px; margin: 0 0 16px; }
.life { background: var(--acc-soft); border-radius: 14px; padding: 12px 14px; font-size: 15px; }
.life b { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--acc); margin-bottom: 4px; }
.my-ex { margin-top: 12px; font-size: 15px; border-left: 3px solid var(--acc); padding-left: 12px; color: var(--ink); }
.quote { font-family: var(--serif); font-size: 21px; line-height: 1.4; position: relative; padding-top: 30px; }
.quote::before { content: "“"; position: absolute; top: -18px; left: -4px; font-size: 80px; color: var(--acc); line-height: 1; }

.foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-top: 14px; margin-top: 12px; border-top: 1px solid var(--line); font-size: 13px; color: var(--mut); }
.icon-btn { white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; padding: 8px 12px; border-radius: 999px; background: var(--soft); font-size: 14px; color: var(--ink); }
.icon-btn.on { background: var(--acc); color: #fff; }

/* Bob muqovasi */
.cover { background: var(--acc); color: #fff; border: 0; justify-content: center; }
.cover .kicker { color: rgb(255 255 255 / .75); }
.cover h2 { font-size: 34px; }
.cover .ru { color: rgb(255 255 255 / .8); }
.cover p { opacity: .85; }

/* Contrast */
.vs { display: grid; gap: 12px; }
.vs div { border-radius: 16px; padding: 16px; font-size: 18px; line-height: 1.4; }
.vs .m { background: var(--soft); color: var(--mut); text-decoration: line-through; text-decoration-color: color-mix(in srgb, var(--bad) 60%, transparent); }
.vs .t { background: var(--acc-soft); font-weight: 600; }
.vs small { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; font-weight: 700; margin-bottom: 4px; text-decoration: none; }

/* Karusel */
.car { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 12px; margin: 0 -22px; padding: 0 22px; scrollbar-width: none; }
.car::-webkit-scrollbar { display: none; }
.slide { flex: 0 0 100%; scroll-snap-align: center; background: var(--soft); border-radius: 18px; padding: 26px 20px; min-height: 230px; display: flex; flex-direction: column; justify-content: center; }
.slide .n { font-size: 13px; color: var(--acc); font-weight: 700; }
.slide h3 { font-size: 24px; margin: 6px 0 10px; letter-spacing: -.01em; }
.slide p { font-size: 17px; margin: 0; }
.dots { display: flex; gap: 6px; justify-content: center; margin-top: 14px; }
.dots i { width: 6px; height: 6px; border-radius: 3px; background: var(--line); transition: .2s; }
.dots i.on { width: 18px; background: var(--acc); }

/* Kviz */
.qq { font-size: 21px; font-weight: 650; line-height: 1.3; margin: 0 0 18px; }
.opts { display: grid; gap: 10px; }
.opt { text-align: left; padding: 14px 16px; border: 1.5px solid var(--line); border-radius: 14px; font-size: 16px; background: var(--card); }
.opt.ok { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 10%, transparent); }
.opt.no { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 8%, transparent); }
.opt:disabled { cursor: default; }
.why { margin-top: 14px; font-size: 15px; color: var(--mut); }

.btn { display: block; width: 100%; padding: 15px; border-radius: 14px; background: var(--acc); color: #fff; font-weight: 650; font-size: 16px; text-align: center; }
.btn.ghost { background: var(--soft); color: var(--ink); }
.btn + .btn { margin-top: 10px; }
.saved-ok { font-size: 13px; color: var(--ok); margin-top: 6px; min-height: 18px; }

/* Takrorlash */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 18px; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 14px 10px; text-align: center; }
.stat b { display: block; font-size: 26px; letter-spacing: -.02em; }
.stat span { font-size: 12px; color: var(--mut); }
.note { font-size: 14px; color: var(--mut); background: var(--soft); border-radius: 14px; padding: 12px 14px; margin-bottom: 18px; }
.rcard { background: var(--card); border: 1px solid var(--line); border-radius: 24px; padding: 24px 20px; min-height: 340px; display: flex; flex-direction: column; }
.rcard .prog { height: 4px; background: var(--soft); border-radius: 2px; margin-bottom: 18px; overflow: hidden; }
.rcard .prog i { display: block; height: 100%; background: var(--acc); transition: width .3s; }
.rcard .q { font-size: 22px; font-weight: 650; line-height: 1.3; margin: 8px 0 14px; }
.rcard .a { font-size: 17px; background: var(--acc-soft); border-radius: 14px; padding: 14px; margin-bottom: 16px; }
.rcard #show { margin-top: auto; }
.think { font-size: 14px; color: var(--mut); }
.hint { font-size: 14px; color: var(--warn); margin-bottom: 10px; }
.grades { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: auto; }
.grades button { padding: 12px 4px; border-radius: 12px; background: var(--soft); font-size: 13px; font-weight: 600; line-height: 1.2; }
.grades button small { display: block; font-weight: 400; color: var(--mut); font-size: 11px; margin-top: 2px; }
.grades .g0 { color: var(--bad); } .grades .g3 { color: var(--ok); }
.empty { text-align: center; padding: 40px 10px; color: var(--mut); }
.empty .big { font-size: 46px; margin-bottom: 8px; }
.empty h3 { color: var(--ink); margin: 0 0 6px; }

/* Ro'yxatlar */
h1.h { font-size: 28px; letter-spacing: -.02em; margin: 4px 0 14px; }
h3.sec { font-size: 13px; text-transform: uppercase; letter-spacing: .07em; color: var(--mut); margin: 24px 0 10px; }
.item { display: block; width: 100%; text-align: left; background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 14px 16px; margin-bottom: 10px; }
.item .k { font-size: 12px; color: var(--acc); font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.item .t { font-weight: 600; margin: 2px 0; }
.item .s { font-size: 14px; color: var(--mut); }
.bar { height: 6px; background: var(--soft); border-radius: 3px; overflow: hidden; margin-top: 8px; }
.bar i { display: block; height: 100%; background: var(--acc); }
.row { display: flex; gap: 10px; } .row > * { flex: 1; }
label.f { display: block; font-size: 14px; font-weight: 600; margin: 14px 0 6px; }
label.f small { font-weight: 400; color: var(--mut); }

/* Pastdan chiqadigan oyna */
.sheet-bg { position: fixed; inset: 0; background: rgb(0 0 0 / .35); z-index: 20; }
.sheet { position: fixed; left: 0; right: 0; bottom: 0; max-height: 88dvh; overflow-y: auto; background: var(--bg); border-radius: 22px 22px 0 0;
  padding: 10px 16px calc(24px + var(--safe-b)); z-index: 21; max-width: 640px; margin: 0 auto; }
.sheet .grab { width: 40px; height: 5px; border-radius: 3px; background: var(--line); margin: 0 auto 14px; }
.sheet .card { min-height: 60dvh; }

.toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(var(--tab) + var(--safe-b) + 14px); background: var(--ink); color: var(--bg);
  padding: 10px 16px; border-radius: 999px; font-size: 14px; z-index: 30; white-space: nowrap; }