@font-face {
  font-family: "Manrope";
  src: url("/fonts/Manrope-Variable.ttf") format("truetype");
  font-style: normal;
  font-weight: 200 800;
  font-display: swap;
}

@font-face {
  font-family: "Prata";
  src: url("/fonts/Prata-Regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  --turquoise: #3ec8b9;
  --turquoise-soft: #cceee8;
  --turquoise-pale: #e8f7f3;
  --turquoise-ink: #248f84;
  --teal: #0e3d3a;
  --cream: #f6f1e7;
  --paper: #fffaf0;
  --graphite: #20302e;
  --muted: #6f7e7b;
  --terracotta: #e0704f;
  --line: rgba(32, 48, 46, 0.12);
  --shadow: 0 24px 65px rgba(14, 61, 58, 0.11);
  --soft-shadow: 0 10px 36px rgba(14, 61, 58, 0.08);
  --page-pad: clamp(19px, 5.3vw, 38px);
  color: var(--graphite);
  background: var(--cream);
  font-family: "Manrope", sans-serif;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--cream); scroll-behavior: smooth; }
body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 90% 8%, rgba(62,200,185,.14), transparent 25rem),
    radial-gradient(circle at 4% 37%, rgba(224,112,79,.065), transparent 18rem),
    var(--cream);
}
.paper-grain { position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .22; background-image: radial-gradient(rgba(14,61,58,.18) .45px, transparent .6px); background-size: 5px 5px; }
.ambient-shape { position: fixed; z-index: -1; pointer-events: none; filter: blur(1px); }
.ambient-shape-one { width: 260px; height: 390px; top: -150px; right: -145px; border: 1px solid rgba(62,200,185,.2); border-radius: 47% 53% 58% 42% / 37% 39% 61% 63%; transform: rotate(25deg); }
.ambient-shape-two { width: 210px; height: 210px; top: 58vh; left: -170px; border: 58px solid rgba(224,112,79,.035); border-radius: 50%; }
button, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, textarea:focus-visible { outline: 3px solid rgba(62,200,185,.55); outline-offset: 3px; }
.hidden { display: none !important; }
.app-shell { width: min(100%, 760px); min-height: 100vh; margin: 0 auto; padding: max(22px, env(safe-area-inset-top)) var(--page-pad) max(34px, env(safe-area-inset-bottom)); }

.state-screen { min-height: 88vh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; text-align: center; animation: reveal 560ms cubic-bezier(.22,.8,.2,1) both; }
.state-screen::before { content: "ТВОЁ ПРОСТРАНСТВО"; color: var(--turquoise-ink); font-size: 10px; font-weight: 800; letter-spacing: .18em; }
.state-screen h1 { max-width: 520px; margin: 4px 0 0; color: var(--teal); font-family: "Prata", Georgia, serif; font-size: clamp(37px,10vw,62px); font-weight: 400; line-height: 1.05; letter-spacing: -.035em; }
.state-copy { max-width: 440px; margin: 0 0 8px; color: var(--muted); font-size: 16px; line-height: 1.65; }
.brand-mark { position: relative; display: grid; width: 80px; height: 80px; place-items: center; border-radius: 36% 64% 42% 58% / 58% 40% 60% 42%; color: var(--cream); background: var(--teal); box-shadow: 8px 8px 0 var(--turquoise-soft); transform: rotate(-3deg); }
.brand-mark span { font-size: 24px; font-weight: 800; letter-spacing: -.08em; transform: rotate(3deg) translateX(-1px); }
.brand-mark::after { content: "✦"; position: absolute; top: -10px; right: -12px; color: var(--terracotta); font-size: 22px; }
.brand-mark-small { width: 53px; height: 53px; flex: 0 0 53px; box-shadow: 5px 5px 0 var(--turquoise-soft); }
.brand-mark-small span { font-size: 17px; }
.loader { width: 112px; height: 5px; overflow: hidden; border-radius: 99px; background: rgba(14,61,58,.11); }
.loader::after { content: ""; display: block; width: 45%; height: 100%; border-radius: inherit; background: var(--turquoise); animation: loading 1.1s ease-in-out infinite alternate; }
.telegram-login { min-height: 48px; display: grid; place-items: center; }
.auth-divider { width: min(100%,330px); display: flex; align-items: center; gap: 12px; color: #8b9693; font-size: 10px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.auth-divider::before, .auth-divider::after { content: ""; height: 1px; flex: 1; background: var(--line); }
.auth-bot-link { width: min(100%,330px); display: grid; place-items: center; text-decoration: none; }
.auth-retry { border: 0; color: var(--muted); background: transparent; font-size: 13px; text-decoration: underline; text-decoration-color: rgba(32,48,46,.25); text-underline-offset: 5px; cursor: pointer; }

#course-screen { animation: reveal 620ms cubic-bezier(.22,.8,.2,1) both; }
.hero { padding: 8px 0 38px; }
.topline { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 58px; }
.eyebrow { margin: 0 0 8px; color: var(--turquoise-ink); font-size: 10px; font-weight: 800; letter-spacing: .17em; text-transform: uppercase; }
.student-name { margin: 0; color: var(--teal); font-size: 19px; font-weight: 760; letter-spacing: -.03em; }
.student-plan { margin: 6px 0 0; color: var(--muted); font-size: 12px; font-weight: 600; }
.hero-kicker { display: flex; align-items: center; gap: 9px; margin-bottom: 18px; color: var(--muted); font-size: 12px; font-weight: 650; }
.hero-kicker span { color: var(--terracotta); font-size: 17px; }
.hero h1 { max-width: 680px; margin: 0; color: var(--teal); font-family: "Prata", Georgia, serif; font-size: clamp(42px,11.7vw,73px); font-weight: 400; line-height: 1.02; letter-spacing: -.037em; text-wrap: balance; }
.hero h1::first-letter { color: var(--turquoise-ink); }
.hero-subtitle { max-width: 560px; margin: 22px 0 30px; color: var(--muted); font-size: clamp(16px,4.5vw,20px); line-height: 1.55; }
.progress-card { position: relative; padding: 22px 21px 18px; overflow: hidden; border: 1px solid rgba(14,61,58,.07); border-radius: 25px 25px 25px 8px; background: rgba(255,250,240,.76); box-shadow: var(--soft-shadow); backdrop-filter: blur(8px); }
.progress-card::after { content: ""; position: absolute; width: 110px; height: 110px; top: -75px; right: -40px; border: 26px solid rgba(62,200,185,.12); border-radius: 50%; }
.progress-copy { position: relative; z-index: 1; display: flex; justify-content: space-between; margin-bottom: 15px; font-size: 11px; font-weight: 760; letter-spacing: .08em; text-transform: uppercase; }
.progress-copy span { color: var(--muted); }.progress-copy strong { color: var(--teal); }
.progress-track { position: relative; height: 9px; border-radius: 99px; background: var(--turquoise-soft); }
.progress-fill { width: 0; height: 100%; border-radius: inherit; background: var(--turquoise-ink); transition: width 420ms cubic-bezier(.22,.8,.2,1); }
.progress-track i { position: absolute; top: 50%; width: 5px; height: 5px; border-radius: 50%; background: var(--paper); transform: translate(-50%,-50%); }
.progress-track i:nth-of-type(1) { left: 20%; }.progress-track i:nth-of-type(2) { left: 40%; }.progress-track i:nth-of-type(3) { left: 60%; }.progress-track i:nth-of-type(4) { left: 80%; }.progress-track i:nth-of-type(5) { left: 100%; }
.progress-note { margin: 13px 0 0; color: var(--muted); font-family: Georgia,serif; font-size: 13px; font-style: italic; }

.intro-card { position: relative; display: grid; grid-template-columns: 42px 1fr; gap: 18px; margin: 8px calc(var(--page-pad) * -.35) 0; padding: 27px 24px 29px; overflow: hidden; border-radius: 8px 34px 8px 34px; color: var(--cream); background: var(--teal); box-shadow: var(--shadow); }
.intro-card::before { content: ""; position: absolute; width: 150px; height: 150px; right: -82px; bottom: -90px; border: 1px solid rgba(62,200,185,.35); border-radius: 48% 52% 40% 60%; }
.intro-card h2, .support-card h2 { margin: 0 0 8px; font-size: 19px; line-height: 1.25; letter-spacing: -.03em; }
.intro-card p { margin: 0; color: rgba(246,241,231,.72); font-size: 14px; line-height: 1.65; }
.intro-card .card-whisper { margin-bottom: 5px; color: var(--turquoise); font-family: Georgia,serif; font-size: 13px; font-style: italic; }
.intro-icon { display: grid; width: 40px; height: 40px; place-items: center; border: 1px solid rgba(246,241,231,.38); border-radius: 50%; color: var(--turquoise); font-size: 17px; }

.section-block { margin-top: 68px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; margin-bottom: 26px; }
.section-heading h2 { margin: 0; color: var(--teal); font-family: "Prata", Georgia, serif; font-size: clamp(31px,8vw,46px); font-weight: 400; line-height: 1.08; letter-spacing: -.03em; }
.counter-pill { padding: 8px 12px; border: 1px solid rgba(14,61,58,.12); border-radius: 99px; color: var(--teal); background: rgba(255,250,240,.62); font-size: 10px; font-weight: 750; white-space: nowrap; }
.lesson-list { position: relative; display: grid; gap: 12px; }
.lesson-card { position: relative; width: 100%; display: grid; grid-template-columns: 54px 1fr auto; align-items: center; gap: 15px; min-height: 100px; padding: 18px 17px 18px 15px; overflow: hidden; border: 1px solid rgba(14,61,58,.08); border-radius: 22px 8px 22px 8px; color: inherit; background: rgba(255,250,240,.7); box-shadow: 0 5px 20px rgba(14,61,58,.045); text-align: left; cursor: pointer; transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease; }
.lesson-card:nth-child(even) { border-radius: 8px 22px 8px 22px; }
.lesson-card:not(:disabled):hover, .lesson-card:not(:disabled):focus-visible { border-color: rgba(36,143,132,.28); box-shadow: var(--soft-shadow); transform: translateY(-2px); }
.lesson-card:active { transform: translateY(0); }.lesson-card:disabled { cursor: default; opacity: .52; }
.lesson-card::before { content: ""; position: absolute; width: 80px; height: 80px; left: -56px; bottom: -56px; border: 18px solid rgba(62,200,185,.08); border-radius: 50%; }
.lesson-index { position: relative; z-index: 1; display: grid; width: 50px; height: 50px; place-items: center; border: 1px solid rgba(14,61,58,.18); border-radius: 50%; color: var(--teal); background: var(--cream); font-family: Georgia,serif; font-size: 15px; font-style: italic; }
.lesson-card:not(:disabled) .lesson-index { border-color: transparent; background: var(--turquoise-soft); }
.lesson-card.completed .lesson-index { color: var(--cream); background: var(--teal); }
.lesson-card.completed .lesson-index::after { content: "✓"; font-family: "Manrope",sans-serif; font-size: 15px; font-style: normal; }
.lesson-card.completed .lesson-index span { display: none; }
.lesson-info strong { display: block; margin-bottom: 8px; color: var(--teal); font-size: 16px; line-height: 1.32; letter-spacing: -.025em; }
.lesson-meta { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 11px; }
.lesson-status { color: var(--muted); font-weight: 740; }.lesson-status::before { content: "·"; margin-right: 8px; color: var(--terracotta); }
.lesson-status.ready { color: var(--turquoise-ink); }.lesson-status.preparing { color: #a6543b; }
.lesson-arrow { color: var(--turquoise-ink); font-size: 25px; font-weight: 300; transition: transform 180ms ease; }.lesson-card:not(:disabled):hover .lesson-arrow { transform: translateX(3px); }

.support-card { position: relative; display: grid; grid-template-columns: 42px 1fr; gap: 16px; margin-top: 45px; padding: 26px 24px; border: 1px solid rgba(14,61,58,.1); border-radius: 30px 8px 30px 8px; background: var(--turquoise-pale); }
.support-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }.support-icon { display: grid; width: 38px; height: 38px; place-items: center; border-radius: 50%; color: var(--terracotta); background: var(--paper); font-size: 17px; }
.browser-link { width: 100%; display: flex; justify-content: space-between; margin-top: 12px; padding: 19px 4px; border: 0; border-bottom: 1px solid var(--line); color: var(--teal); background: transparent; font-size: 13px; font-weight: 700; cursor: pointer; }
footer { display: flex; justify-content: space-between; padding: 48px 2px 8px; color: #82908d; font-size: 9px; font-weight: 750; letter-spacing: .13em; text-transform: uppercase; }

.button { min-height: 50px; padding: 13px 20px; border: 1px solid transparent; border-radius: 18px 8px 18px 8px; font-weight: 750; cursor: pointer; transition: transform 150ms ease, background 150ms ease, color 150ms ease; }
.button:active { transform: translateY(1px); }.button:disabled { cursor: default; opacity: .45; }
.button-primary { color: var(--teal); background: var(--turquoise); }.button-primary:hover { background: #54d1c4; }
.button-secondary { border-color: rgba(14,61,58,.2); color: var(--teal); background: rgba(255,250,240,.55); }.button-secondary:hover { color: var(--cream); background: var(--teal); }
.button-dark { color: var(--cream); background: var(--teal); }.button-wide { width: 100%; }

.lesson-dialog { width: min(100%,760px); max-width: 760px; height: 100dvh; max-height: 100dvh; margin: 0 auto; padding: 0; border: 0; color: var(--graphite); background: var(--cream); }
.lesson-dialog::backdrop { background: rgba(9,30,28,.72); backdrop-filter: blur(4px); }
.dialog-sheet { min-height: 100%; padding: max(22px,env(safe-area-inset-top)) var(--page-pad) max(38px,env(safe-area-inset-bottom)); }
.lesson-header { display: grid; grid-template-columns: 46px 1fr; gap: 15px; align-items: start; margin-bottom: 26px; }
.lesson-header h2 { margin: 0; color: var(--teal); font-family: "Prata", Georgia, serif; font-size: clamp(29px,7.8vw,46px); font-weight: 400; line-height: 1.07; letter-spacing: -.03em; }
.icon-button { width: 44px; height: 44px; border: 1px solid rgba(14,61,58,.2); border-radius: 50%; background: var(--paper); color: var(--teal); font-size: 23px; cursor: pointer; }
.video-frame { position: relative; overflow: hidden; aspect-ratio: 16/9; margin: 0 calc(var(--page-pad) * -1); background: #071d1b; box-shadow: var(--shadow); }
.video-frame video { width: 100%; height: 100%; display: block; object-fit: contain; background: #071d1b; }
.video-placeholder { width: 100%; height: 100%; display: grid; place-content: center; justify-items: center; gap: 8px; padding: 20px; color: var(--cream); text-align: center; }
.video-placeholder span { display: grid; width: 54px; height: 54px; place-items: center; border: 1px solid rgba(246,241,231,.45); border-radius: 50%; color: var(--turquoise); }
.video-placeholder small { max-width: 260px; color: rgba(246,241,231,.62); }.video-actions { display: flex; justify-content: flex-end; margin-top: 12px; }.video-actions .button { min-height: 42px; font-size: 12px; }
.lesson-copy, .resources-section, .feedback-card { margin-top: 30px; padding: 24px 0; border-top: 1px solid var(--line); }
.lesson-copy h3, .resources-section h3, .feedback-card h3 { margin: 0 0 11px; color: var(--teal); font-size: 20px; letter-spacing: -.03em; }
.lesson-copy p { margin: 0; color: var(--muted); line-height: 1.65; }.resource-list { display: grid; }
.resource-link { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 15px 0; border-bottom: 1px solid var(--line); color: var(--teal); text-decoration: none; font-size: 13px; font-weight: 700; }
.resource-link.unavailable { opacity: .45; pointer-events: none; }#complete-lesson { margin-top: 20px; }
.feedback-options { display: grid; grid-template-columns: repeat(3,1fr); gap: 7px; }
.feedback-options button { min-height: 58px; padding: 9px; border: 1px solid var(--line); border-radius: 16px 7px 16px 7px; color: var(--graphite); background: var(--paper); font-size: 11px; font-weight: 700; cursor: pointer; }
.feedback-options button.selected { border-color: var(--teal); color: var(--cream); background: var(--teal); }
.feedback-card label { display: block; margin: 20px 0 8px; color: var(--muted); font-size: 12px; }
.feedback-card textarea { width: 100%; resize: vertical; padding: 14px; border: 1px solid rgba(14,61,58,.18); border-radius: 17px 8px 17px 8px; color: var(--graphite); background: var(--paper); outline: none; }
.feedback-card textarea:focus { border-color: var(--turquoise-ink); box-shadow: 0 0 0 3px rgba(62,200,185,.14); }.feedback-card .button { margin-top: 10px; }
.inline-status { min-height: 18px; margin: 10px 0 0; color: var(--turquoise-ink); font-size: 12px; text-align: center; }
.toast { position: fixed; z-index: 10; left: 50%; bottom: max(24px,env(safe-area-inset-bottom)); transform: translate(-50%,140%); width: min(calc(100% - 36px),520px); padding: 15px 18px; border-left: 5px solid var(--turquoise); border-radius: 8px 18px 8px 18px; color: var(--cream); background: var(--teal); box-shadow: var(--shadow); opacity: 0; transition: 220ms ease; }
.toast.visible { transform: translate(-50%,0); opacity: 1; }

@keyframes reveal { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes loading { from { transform: translateX(-105%); } to { transform: translateX(230%); } }
@media (max-width:430px) {
  .topline { margin-bottom: 48px; }.section-heading { align-items: flex-start; }.section-heading h2 { max-width: 290px; }
  .lesson-card { grid-template-columns: 50px 1fr 16px; gap: 12px; padding-left: 13px; padding-right: 14px; }.lesson-index { width: 47px; height: 47px; }
  .feedback-options { grid-template-columns: 1fr; }footer { gap: 20px; }
}
@media (min-width:700px) { .video-frame { margin-left: 0; margin-right: 0; border-radius: 26px 9px 26px 9px; } }
@media (prefers-reduced-motion:reduce) { html { scroll-behavior: auto; } *,*::before,*::after { animation-duration:.01ms !important; transition-duration:.01ms !important; } }