:root{
  --paper:#c9a96f;--paper-light:#ead19d;--ink:#17110c;--red:#9a3023;
  --blue:#214d73;--gold:#d1a75f;--panel:rgba(204,171,113,.94);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-height:100vh;background:radial-gradient(circle at top,#493722 0,#17110c 58%,#090706 100%);color:var(--ink);font-family:"Yu Mincho","Hiragino Mincho ProN","Noto Serif JP",serif}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.16;background-image:repeating-linear-gradient(0deg,transparent 0 3px,#000 4px);z-index:-2}
button,textarea{font:inherit}
button{cursor:pointer}
.skip-link{position:fixed;left:12px;top:-60px;z-index:100;background:#fff;color:#111;padding:10px 14px;border-radius:8px}.skip-link:focus{top:12px}
.hidden{display:none!important}
.mist{position:fixed;width:45vw;height:45vw;border-radius:50%;filter:blur(70px);opacity:.11;background:#ead8b0;animation:float 13s ease-in-out infinite;pointer-events:none;z-index:-1}
.mist-a{left:-10vw;top:20vh}.mist-b{right:-15vw;top:55vh;animation-delay:-5s}
@keyframes float{50%{transform:translate(8vw,-4vh) scale(1.15)}}
.floating-lights{position:fixed;inset:0;pointer-events:none;z-index:-1}
.floating-lights i{position:absolute;width:5px;height:5px;border-radius:50%;background:#f0cc74;box-shadow:0 0 15px 5px #dca43b;animation:firefly 8s ease-in-out infinite}
.floating-lights i:nth-child(1){left:12%;top:32%}.floating-lights i:nth-child(2){left:82%;top:22%;animation-delay:-2s}.floating-lights i:nth-child(3){left:70%;top:70%;animation-delay:-5s}.floating-lights i:nth-child(4){left:25%;top:76%;animation-delay:-3.2s}.floating-lights i:nth-child(5){left:50%;top:18%;animation-delay:-6s}
@keyframes firefly{0%,100%{opacity:.12;transform:translate(0,0)}50%{opacity:.9;transform:translate(24px,-38px)}}
.site-header{text-align:center;color:#ead7ad;padding:52px 20px 28px}
.eyebrow{letter-spacing:.32em;font-size:.7rem}
.site-header h1{font-size:clamp(2rem,6vw,4.6rem);margin:.2em 0;text-shadow:0 3px 18px #000}
.lead{opacity:.88;line-height:1.8}
.header-tools{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:22px}
.tool-button{color:#ead7ad;background:#1d160fcc;border:1px solid #9d7844;padding:9px 16px;border-radius:999px}
.tool-button:hover,.tool-button:focus-visible{background:#392719;outline:2px solid #e1bd75;outline-offset:2px}
main{width:min(1080px,94%);margin:auto}
.panel{background:var(--panel);border:3px double #1d160f;border-radius:24px;padding:clamp(20px,4vw,48px);box-shadow:0 18px 60px #0009,inset 0 0 60px #6e4a1f33;margin-bottom:42px;position:relative;overflow:hidden}
.panel:before{content:"";position:absolute;inset:9px;border:1px solid #2c2115;pointer-events:none;border-radius:18px}
.step{text-align:center;font-size:.78rem;letter-spacing:.28em;opacity:.68;margin:0 0 -8px}
h2{text-align:center;font-size:clamp(1.6rem,4vw,2.5rem)}
.section-copy{text-align:center;line-height:1.9;max-width:760px;margin:0 auto 18px}
.themes{display:grid;grid-template-columns:repeat(auto-fit,minmax(135px,1fr));gap:12px;margin:25px 0}
.theme{border:1px solid #352719;background:#e1c590;padding:14px;border-radius:12px;font-weight:bold}
.theme:hover,.theme:focus-visible{transform:translateY(-2px);outline:2px solid #4d3218}
.theme.active{background:#2c2118;color:#f4dfb4;transform:translateY(-2px)}
.question{display:block;margin:24px 0;font-weight:bold}
textarea{display:block;width:100%;min-height:90px;margin-top:8px;padding:14px;border-radius:10px;border:1px solid #4b3824;background:#f0d8a8;resize:vertical}
.counter{display:block;text-align:right;margin-top:5px;font-size:.8rem;opacity:.65}
.primary,.ghost,.danger-button{padding:14px 24px;border-radius:999px;font-weight:bold}
.primary{background:#271a10;color:#f3dcb0;border:1px solid #b88c4a;box-shadow:0 8px 20px #0005}
.primary:hover,.primary:focus-visible{background:#3b2818;outline:2px solid #f1d296}
.ghost{background:transparent;border:1px solid #332515}
.ghost:hover,.ghost:focus-visible{background:#ead09d}
.notice{font-size:.85rem;opacity:.72;text-align:center;line-height:1.7}
.shuffle-stage{height:210px;position:relative;margin:12px auto 25px;max-width:300px}
.shuffle-card{position:absolute;left:50%;top:50%;width:95px;aspect-ratio:2/3;border:2px solid #caa45e;border-radius:10px;background:radial-gradient(circle,#8e672f 0 8%,transparent 9%),repeating-radial-gradient(circle,#25170c 0 5px,#4b2f17 6px 10px);box-shadow:0 12px 25px #0009}
.card-one{animation:shuffleOne 1.1s ease-in-out infinite}.card-two{animation:shuffleTwo 1.1s ease-in-out infinite}.card-three{animation:shuffleThree 1.1s ease-in-out infinite}
@keyframes shuffleOne{0%,100%{transform:translate(-50%,-50%) rotate(-9deg)}50%{transform:translate(-115%,-55%) rotate(-16deg)}}
@keyframes shuffleTwo{0%,100%{transform:translate(-50%,-50%) rotate(7deg)}50%{transform:translate(18%,-45%) rotate(15deg)}}
@keyframes shuffleThree{0%,100%{transform:translate(-50%,-50%) rotate(0)}50%{transform:translate(-50%,-65%) rotate(3deg)}}
.shuffle-stage.finished{display:none}
.deck{display:grid;grid-template-columns:repeat(11,1fr);gap:7px;margin:28px 0;transition:.55s ease}
.deck-hidden{opacity:0;pointer-events:none;transform:translateY(18px)}
.card-back{position:relative;overflow:hidden;aspect-ratio:2/3;border-radius:8px;border:2px solid #b89054;background:radial-gradient(circle,#8e672f 0 8%,transparent 9%),repeating-radial-gradient(circle,#25170c 0 5px,#4b2f17 6px 10px);box-shadow:0 5px 12px #0008;transition:.25s;min-width:0}
.back-mark{position:absolute;inset:0;display:grid;place-items:center;color:#d4b170;font-size:clamp(.9rem,2vw,1.6rem);text-shadow:0 1px 6px #000}
.card-back:hover,.card-back:focus-visible{transform:translateY(-14px) rotate(-1deg);outline:2px solid #f4d690}
.card-back.chosen{transform:translateY(-18px) rotateY(180deg) scale(1.06);box-shadow:0 0 0 3px #e6c680,0 18px 32px #000c}
.card-back:disabled{cursor:default}
.result-theme{text-align:center;letter-spacing:.1em}
.result-grid{display:grid;grid-template-columns:minmax(230px,420px) 1fr;gap:clamp(24px,5vw,60px);align-items:start}
.card-stage{perspective:1200px}
.card-stage img{width:100%;border-radius:18px;box-shadow:0 18px 40px #0009;opacity:0;transform:rotateY(90deg) scale(.92);transition:.7s}
.card-stage img.revealed{opacity:1;transform:rotateY(0deg) scale(1)}
.card-stage img.yin.revealed{transform:rotate(180deg) rotateY(0deg) scale(1)}
.polarity-row{display:flex;gap:8px;align-items:center}
.orientation{font-weight:bold;color:var(--red);letter-spacing:.18em;font-size:1.15rem;margin:0}
.orientation.yin{color:var(--blue)}
.term-help{border:1px solid #5d4328;background:#ead09c;width:28px;height:28px;border-radius:50%;font-weight:bold}
.reading{animation:fadeIn .8s ease both}
@keyframes fadeIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.reading h2{text-align:left;margin-bottom:.15em}
.yokai{font-size:1.1rem;margin-bottom:.25rem}
.central-theme{font-size:.92rem;opacity:.75;margin-top:0}
.reading blockquote{margin:22px 0;padding:14px 18px;border-left:4px solid #2b2015;background:#ead09f;font-size:1.18rem;line-height:1.7}
.reading p{line-height:1.9}
.reading h3{margin-top:28px}
.keywords span{display:inline-block;padding:7px 11px;background:#2b2118;color:#f0d9aa;border-radius:999px;margin:4px}
.symbols{margin-top:25px;border-top:1px solid #85663f;padding-top:14px}
.symbols summary{cursor:pointer;font-weight:bold}
.symbols dl{display:grid;grid-template-columns:max-content 1fr;gap:8px 16px;margin-bottom:0}
.symbols dt{font-weight:bold}.symbols dd{margin:0}
.actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:34px}
.modal{position:fixed;inset:0;z-index:30;display:grid;place-items:center;padding:18px}
.modal-backdrop{position:absolute;inset:0;background:#080604dc;backdrop-filter:blur(4px)}
.modal-panel{position:relative;z-index:1;width:min(760px,100%);max-height:86vh;overflow:auto;background:#cfac72;border:3px double #23180d;border-radius:22px;padding:28px;box-shadow:0 24px 80px #000}
.modal-close{position:absolute;right:14px;top:10px;border:0;background:transparent;font-size:2rem}
.prose-panel{line-height:1.9}.prose-panel h3{margin-bottom:.2rem}.small-note{font-size:.88rem;opacity:.75}
.history-list{display:grid;gap:12px;margin:22px 0}
.history-item{background:#e8cc98;border:1px solid #4c3520;border-radius:14px;padding:14px}
.history-head{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-weight:bold}
.history-card{font-size:1.08rem;margin:8px 0 4px}
.history-question{font-size:.9rem;opacity:.78;margin:5px 0}
.history-empty{text-align:center;padding:30px 10px;opacity:.7}
.danger-button{display:block;margin:18px auto 0;border:1px solid #7b271d;background:#6e241c;color:#fff0d5}
footer{color:#d6c39f;text-align:center;padding:10px 20px 50px;font-size:.82rem;opacity:.82;line-height:1.7}
@media(max-width:720px){
  .site-header{padding-top:38px}.panel{padding:24px 18px}
  .deck{grid-template-columns:repeat(6,1fr)}
  .result-grid{grid-template-columns:1fr}.card-stage{max-width:360px;margin:auto}
  .shuffle-stage{height:170px}.modal-panel{padding:24px 16px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* v1.2.0: detailed theme selection */
.themes{grid-template-columns:repeat(4,minmax(0,1fr))}
.theme{min-height:58px;display:grid;place-items:center;line-height:1.35}
@media(max-width:900px){.themes{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:620px){.themes{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* v1.2.1: four-part oracle reading */
.reading-block{margin:1.15rem 0;padding:1rem 1.1rem;border-left:2px solid rgba(183,139,74,.55);background:rgba(255,248,231,.035)}
.reading-block h3{margin-top:0}
.reading-block p{white-space:pre-line;line-height:1.95}
.voice-block{background:rgba(183,139,74,.09)}
.voice-block p{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:1.06rem}
.guidance-block{border-left-color:rgba(154,63,48,.75)}
.guidance-block p{font-weight:600}
.lore-block{border-left-color:rgba(89,108,87,.65);font-size:.96rem}