:root{
  --bg:#05070d;--panel:rgba(9,13,22,.88);--line:rgba(255,255,255,.13);
  --text:#f7f8fb;--muted:#b2b8c7;--purple:#b34cff;--purple2:#7227e8;
  --gold:#ffd84d;--gold2:#ffb918;--green:#38d996;--amber:#ffc641;--red:#ff5363;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:#020408;color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}
button{font:inherit}
body{min-height:100dvh}
.app-shell{width:min(100%,520px);min-height:100dvh;margin:0 auto;background:#060810;position:relative;overflow:hidden}
.screen{display:none;min-height:100dvh;position:relative}
.screen--active{display:block}
.visual-screen{background-image:linear-gradient(180deg,rgba(1,3,8,.06),rgba(1,3,8,.12)),var(--bg);background-size:cover;background-position:center}
.visual-screen:after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(0,0,0,.02),rgba(0,0,0,.08) 64%,rgba(0,0,0,.25))}
.hotspot{position:absolute;border:0;background:transparent;z-index:5;cursor:pointer}
.hotspot--screen1{left:8%;right:8%;top:17%;bottom:14%}
.hotspot--english{left:8%;right:8%;top:26%;height:15%}
.hotspot--power{left:8%;right:8%;top:31%;height:24%}
.hotspot--show-poems{left:9%;right:9%;bottom:13%;height:10%}
.hotspot--start-mission{left:8%;right:8%;bottom:15%;height:12%}
.back-float,.back-circle{border:1px solid rgba(255,255,255,.18);background:rgba(4,7,14,.78);color:#fff;border-radius:50%;width:46px;height:46px;display:grid;place-items:center;font-size:21px;z-index:8;backdrop-filter:blur(10px)}
.back-float{position:absolute;left:16px;top:calc(16px + env(safe-area-inset-top))}
.floating-cta{position:absolute;z-index:8;left:7%;right:7%;bottom:calc(22px + env(safe-area-inset-bottom));height:58px;border:0;border-radius:16px;background:linear-gradient(#ffe15e,#ffba13);color:#171109;font-weight:950;letter-spacing:.02em;box-shadow:0 14px 34px rgba(255,186,19,.24);display:flex;align-items:center;justify-content:center;gap:14px}
.floating-cta--mission{bottom:calc(72px + env(safe-area-inset-bottom))}
.screen-caption{position:absolute;z-index:7;left:7%;right:7%;top:13%;padding:14px 16px;border:1px solid rgba(255,255,255,.13);background:rgba(3,6,13,.58);border-radius:16px;backdrop-filter:blur(10px)}
.screen-caption--low{top:auto;bottom:12%}
.kicker{font-size:13px;letter-spacing:.12em;color:#cf6aff;font-weight:900}
.caption-title{font-size:27px;line-height:1.05;font-weight:900;margin-top:4px}
.caption-note{font-size:13px;line-height:1.4;color:#c5cad4;margin-top:7px}
.dynamic-screen,.mission-screen{background:#05070d;overflow:hidden}
.dynamic-screen{background-image:var(--bg);background-size:cover;background-position:center}
.dynamic-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,6,12,.48),rgba(3,6,12,.90))}
.dynamic-overlay--purple{background:radial-gradient(circle at 50% 24%,rgba(126,42,220,.24),transparent 28%),linear-gradient(180deg,rgba(3,6,12,.52),rgba(3,6,12,.92))}
.content{position:relative;z-index:3;min-height:100dvh;padding:calc(18px + env(safe-area-inset-top)) 18px calc(22px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:16px}
.content--center{justify-content:center;text-align:center}
.topline{min-height:48px;display:grid;grid-template-columns:48px 1fr auto;align-items:center;gap:8px}
.mini-brand{font-size:12px;letter-spacing:.10em;font-weight:900;color:#d7d9df}
.count,.xp-pill{font-size:12px;font-weight:900;color:#d9dce4;padding:8px 10px;border-radius:999px;border:1px solid rgba(255,255,255,.12);background:rgba(4,7,14,.62)}
.progress-track{height:6px;background:rgba(255,255,255,.10);border-radius:99px;overflow:hidden}
.progress-fill{height:100%;width:6.67%;background:linear-gradient(90deg,#9544ff,#d864ff);box-shadow:0 0 15px rgba(191,81,255,.56);transition:width .22s ease}
.recognition-card{padding:12px;border:1px solid rgba(255,255,255,.15);border-radius:20px;background:rgba(7,10,18,.78);box-shadow:0 22px 45px rgba(0,0,0,.28)}
.recognition-art{height:235px;border-radius:14px;position:relative;overflow:hidden;background:linear-gradient(180deg,#fdaf39 0,#e57826 47%,#74411f 47%,#20151a 100%)}
.recognition-art:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 76% 21%,rgba(255,239,184,.88),transparent 17%),linear-gradient(180deg,transparent 45%,rgba(0,0,0,.25))}
.desert-sun{position:absolute;width:56px;height:56px;border-radius:50%;right:27px;top:30px;background:#ffe3a0;box-shadow:0 0 42px rgba(255,213,135,.7)}
.stone-head{position:absolute;left:50%;bottom:17px;transform:translateX(-50%) rotate(-7deg);font-size:150px;line-height:1;color:#554235;text-shadow:8px 10px 0 rgba(34,24,20,.36)}
.poem-title{font-size:38px;line-height:1;margin:10px 0 0;letter-spacing:-.035em}
.question-heading{font-size:24px;line-height:1.12;text-align:center;margin:0}
.recognition-actions{display:grid;gap:10px}
.recognition-btn{min-height:58px;border-radius:14px;background:rgba(7,11,18,.84);color:#fff;text-align:left;padding:0 18px;font-weight:850;display:flex;align-items:center;gap:14px}
.recognition-btn span{font-size:20px}
.recognition-btn.know{border:1px solid var(--green)}
.recognition-btn.familiar{border:1px solid var(--amber)}
.recognition-btn.unknown{border:1px solid var(--red)}
.micro{font-size:12px;line-height:1.4;color:#8f96a6;text-align:center;margin:0}
.achievement-mark{width:108px;height:108px;margin:6px auto 0;border-radius:30px;display:grid;place-items:center;font-size:54px;background:linear-gradient(145deg,#b653ff,#4c167d);box-shadow:0 0 0 1px rgba(226,174,255,.25),0 0 46px rgba(151,63,255,.35);transform:rotate(45deg)}
.achievement-mark::first-letter{transform:rotate(-45deg)}
.achievement-mark--gold{background:linear-gradient(145deg,#ffe16b,#e79816);color:#3b2600;box-shadow:0 0 50px rgba(255,190,42,.32)}
.baseline-title,.selection-title,.mission-title{font-size:38px;line-height:1.03;letter-spacing:-.035em;margin:0}
.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
.summary-card{padding:18px 8px;border-radius:15px;background:rgba(7,11,18,.78);border:1px solid rgba(255,255,255,.13);display:grid;gap:5px}
.summary-card strong{font-size:30px}
.summary-card span{font-size:12px;color:#9da3b0}
.summary-card--green{box-shadow:inset 0 0 0 1px rgba(56,217,150,.22)}
.summary-card--amber{box-shadow:inset 0 0 0 1px rgba(255,198,65,.20)}
.summary-card--red{box-shadow:inset 0 0 0 1px rgba(255,83,99,.20)}
.message-panel,.notice-panel{padding:17px;border:1px solid rgba(188,82,255,.42);border-radius:16px;background:rgba(20,11,31,.82);color:#d5d8e0;line-height:1.5}
.main-btn{width:100%;min-height:58px;border:0;border-radius:15px;font-weight:950;letter-spacing:.02em;display:flex;align-items:center;justify-content:center;gap:14px}
.main-btn--purple{background:linear-gradient(#a44dff,#7228e8);color:#fff;box-shadow:0 12px 28px rgba(122,44,232,.24)}
.main-btn--gold{background:linear-gradient(#ffe15e,#ffba13);color:#171109;box-shadow:0 12px 30px rgba(255,186,19,.22)}
.lead-copy{font-size:17px;line-height:1.5;color:#c9ced8;margin:0}
.poem-choice-list{display:grid;gap:10px}
.poem-choice{min-height:64px;border-radius:15px;border:1px solid rgba(180,82,255,.38);background:rgba(7,11,18,.82);color:#fff;padding:10px 14px;text-align:left;display:grid;grid-template-columns:1fr auto;align-items:center}
.poem-choice strong{display:block;font-size:17px}
.poem-choice small{display:block;color:#9ba2b0;margin-top:4px}
.poem-choice--available{border-color:rgba(255,201,59,.62);box-shadow:0 0 25px rgba(255,191,35,.10)}
.spacer{flex:1}
.mission-screen{background:#070a10}
.mission-backdrop{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.88}
.mission-backdrop:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,7,12,.40),rgba(4,7,12,.92))}
.mission-backdrop--desert{background-image:linear-gradient(180deg,#f5a83c 0,#bd5c24 45%,#392319 45%,#0a0b10 100%)}
.mission-backdrop--quiz{background-image:radial-gradient(circle at 70% 20%,rgba(205,103,37,.42),transparent 28%),linear-gradient(180deg,#241916,#080b11 55%,#04060a)}
.mission-backdrop--results{background-image:radial-gradient(circle at 50% 20%,rgba(130,48,219,.36),transparent 30%),linear-gradient(180deg,#181026,#060810 60%)}
.video-frame{border:1px solid rgba(255,255,255,.15);border-radius:18px;overflow:hidden;background:#000;box-shadow:0 20px 42px rgba(0,0,0,.34)}
.video-frame iframe{display:block;width:100%;aspect-ratio:16/9;border:0}
.notice-panel{display:flex;gap:12px;text-align:left}
.notice-panel span{font-size:26px}
.notice-panel p{margin:4px 0 0;color:#aeb4c0}
.difficulty-pill{align-self:flex-start;padding:8px 10px;border-radius:999px;background:rgba(145,69,255,.16);border:1px solid rgba(181,86,255,.38);font-size:11px;font-weight:900;letter-spacing:.08em;color:#d391ff}
.quiz-card{padding:18px;border-radius:20px;border:1px solid rgba(255,255,255,.14);background:rgba(7,11,18,.88);box-shadow:0 18px 42px rgba(0,0,0,.28)}
.quiz-prompt{font-size:24px;font-weight:900;line-height:1.18;margin-bottom:17px}
.quiz-options{display:grid;gap:10px}
.quiz-option{min-height:58px;border:1px solid rgba(255,255,255,.13);border-radius:14px;background:#0d131d;color:#fff;text-align:left;padding:13px 15px;line-height:1.35}
.quiz-option:hover,.quiz-option:focus{border-color:#aa53ff}
.quiz-option.is-correct{border-color:var(--green);background:rgba(29,119,82,.23)}
.quiz-option.is-wrong{border-color:var(--red);background:rgba(122,31,42,.23)}
.quiz-option:disabled{cursor:default}
.feedback-panel{padding:16px;border:1px solid rgba(178,82,255,.34);border-radius:18px;background:rgba(13,10,20,.93)}
.feedback-heading{font-size:20px;font-weight:900;margin-bottom:7px}
.feedback-text{font-size:15px;line-height:1.5;color:#cbd0d9;margin-bottom:14px}
.result-panel{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.result-panel div{padding:18px 10px;border-radius:16px;border:1px solid rgba(255,255,255,.13);background:rgba(7,11,18,.82);display:grid}
.result-panel strong{font-size:34px}
.result-panel span{font-size:12px;color:#9ca3b1}
.xp-earned{display:flex;align-items:center;gap:14px;padding:16px;border-radius:16px;border:1px solid rgba(255,208,64,.40);background:rgba(55,38,8,.52);text-align:left}
.xp-earned>span{font-size:30px}
.xp-earned strong{font-size:22px;display:block;color:#ffd84c}
.xp-earned small{color:#b7bdc8}
.text-btn{border:0;background:transparent;color:#b9bfcb;padding:10px;font-weight:800}
@media(min-width:700px){
  body{padding:22px}
  .app-shell{border:1px solid #22283a;border-radius:28px;box-shadow:0 40px 110px rgba(0,0,0,.55)}
}