/* EARTH 官網雛形：沿用直播畫面的大地色系（深苔綠底、麥金點綴）。 */
:root{
  --bg:#171f20;--bg-2:#1d2724;--panel:#222d28;--line:#3b483c;
  --ink:#ece3bf;--ink-2:#b9bc97;--ink-3:#8f9a7f;
  --gold:#d9c78b;--green:#b0bc8b;--river:#7fa3a6;--ember:#d98b5f;
  --common:#9aa58a;--rare:#7fa3c6;--epic:#b48bd0;--legendary:#e0b85a;
  --radius:6px;--max:1120px;
  --font:"Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.7 var(--font);-webkit-font-smoothing:antialiased}
a{color:var(--gold)}
a:hover{color:var(--ink)}
img{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}

/* 導覽列 */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:#171f20e6;backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:20px;height:56px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;letter-spacing:.26em}
.brand-mark{width:22px;height:22px;border:2px solid var(--green);border-radius:50%;position:relative}
.brand-mark:after{content:"";position:absolute;left:-6px;right:-6px;top:6px;height:6px;border:2px solid var(--green);border-radius:50%;transform:rotate(-14deg)}
.nav-links{display:flex;gap:18px;margin-left:auto;font-size:14px}
.nav-links a{color:var(--ink-2);text-decoration:none}
.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--gold)}

.mock-banner{background:#3a3220;color:#f1dfa8;font-size:13px;text-align:center;padding:6px 16px;border-bottom:1px solid #5b4c2a}

/* 共用區塊 */
section{padding:72px 0;border-bottom:1px solid var(--line)}
.eyebrow{font-size:12px;letter-spacing:.24em;color:var(--green);text-transform:uppercase;margin:0 0 8px}
h1,h2,h3{line-height:1.3;margin:0 0 16px}
h2{font-size:clamp(24px,3.2vw,32px)}
h3{font-size:18px}
.lead{font-size:18px;color:var(--ink-2);max-width:720px}
.muted{color:var(--ink-3);font-size:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:var(--radius);border:1px solid var(--gold);background:var(--gold);color:#1c1a12;font:600 15px var(--font);text-decoration:none;cursor:pointer;transition:transform .15s,background .15s}
.btn:hover{background:#efe0a6;color:#1c1a12;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--gold)}
.btn.ghost:hover{background:#d9c78b1a;color:var(--ink)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.grid{display:grid;gap:20px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}

/* 首頁主視覺 */
.hero{position:relative;padding:96px 0 88px;overflow:hidden;background:
  radial-gradient(ellipse 80% 60% at 75% 40%,#2f4a3a 0%,transparent 70%),
  linear-gradient(180deg,#1b2a27 0%,var(--bg) 100%)}
.hero .wrap{position:relative;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(36px,6vw,64px);letter-spacing:.08em}
.hero h1 small{display:block;font-size:.36em;letter-spacing:.3em;color:var(--green);margin-bottom:10px}
.hero .motto{font-size:clamp(17px,2vw,20px);color:var(--ink);border-left:3px solid var(--gold);padding-left:14px;margin:20px 0 28px}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px}
.globe{aspect-ratio:1;border-radius:50%;background:
  radial-gradient(circle at 35% 30%,#7fa3a6 0 8%,transparent 30%),
  radial-gradient(ellipse 30% 18% at 40% 45%,#6f8a55 0 60%,transparent 62%),
  radial-gradient(ellipse 22% 26% at 65% 62%,#5f7a48 0 60%,transparent 62%),
  radial-gradient(ellipse 16% 10% at 30% 70%,#7a8e58 0 60%,transparent 62%),
  radial-gradient(circle at 50% 50%,#2c5257 0,#1d3a40 62%,#13262b 100%);
  box-shadow:inset -30px -30px 60px #0009,0 0 80px #7fa3a633;image-rendering:pixelated;animation:float 9s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-10px)}}

/* 數據列 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:32px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.stat b{display:block;font-size:30px;color:var(--gold);font-variant-numeric:tabular-nums}
.stat span{font-size:13px;color:var(--ink-2)}

.features{grid-template-columns:repeat(3,1fr)}
.feature .icon{width:40px;height:40px;border-radius:var(--radius);display:grid;place-items:center;background:#2f3b33;color:var(--gold);font-weight:700;margin-bottom:14px}
.feature p{color:var(--ink-2);margin:0;font-size:15px}

.table-wrap{overflow-x:auto;margin-top:20px}
table{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}
th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:right;white-space:nowrap}
th:first-child,td:first-child{text-align:left}
th{color:var(--ink-2);font-weight:600}

.arch{grid-template-columns:repeat(3,1fr);counter-reset:step}
.arch .panel h3:before{counter-increment:step;content:counter(step,decimal-leading-zero) " ";color:var(--green);font-size:14px}
.arch .panel p{margin:0;color:var(--ink-2);font-size:15px}
.arch code{color:var(--gold);font-size:13px}

.limits{columns:2;column-gap:32px;padding-left:20px;color:var(--ink-2)}
.limits li{break-inside:avoid;margin-bottom:10px}

.cta{text-align:center}
.cta .lead{margin:0 auto 24px}

footer{padding:32px 0 48px;color:var(--ink-3);font-size:13px}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}

/* 抽卡頁 */
.draw-head{padding:56px 0 24px;border:0}
.draw-bar{display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;margin-top:20px}
.stage-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;margin-top:20px;font-size:14px}
.stage-pill{background:#2f3b33;border:1px solid var(--green);color:var(--ink);border-radius:999px;padding:2px 12px;font-size:15px}
.demo-stage{display:flex;align-items:center;gap:8px;margin-left:auto;font-size:13px;color:var(--ink-3)}
select,input{font:15px var(--font);color:var(--ink);background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:8px 10px}
select:focus-visible,input:focus-visible,.btn:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.sponsor{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2);flex:1 1 280px;max-width:440px}
.sponsor input{flex:1;min-width:0}
.draw-message{min-height:1.7em;font-size:14px;color:var(--ember);margin-top:12px}
.draw-message.info{color:var(--green)}

.stage{padding:24px 0 56px;border:0}
.hand{display:flex;flex-wrap:wrap;justify-content:center;gap:24px;min-height:330px;align-items:center}
.hand .placeholder{color:var(--ink-3);text-align:center;font-size:15px}

.card{--tone:var(--common);width:220px;height:330px;perspective:1000px;flex:none}
.card[data-rarity=rare]{--tone:var(--rare)}
.card[data-rarity=epic]{--tone:var(--epic)}
.card[data-rarity=legendary]{--tone:var(--legendary)}
.card-inner{position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform .7s cubic-bezier(.2,.8,.2,1)}
.card.revealed .card-inner{transform:rotateY(180deg)}
.card-face{position:absolute;inset:0;backface-visibility:hidden;border-radius:10px;overflow:hidden}
.card-back{display:grid;place-items:center;border:2px solid #4d5c48;background:
  repeating-linear-gradient(45deg,#26332c 0 8px,#222d28 8px 16px)}
.card-back span{font-weight:700;letter-spacing:.3em;color:var(--green);border:2px solid var(--green);border-radius:50%;width:84px;height:84px;display:grid;place-items:center;padding-left:.3em}
.card-front{transform:rotateY(180deg);display:flex;flex-direction:column;border:2px solid var(--tone);background:linear-gradient(180deg,#2a372f 0%,#1d2622 100%);box-shadow:0 0 0 1px #0006,0 10px 30px #0007,0 0 24px color-mix(in srgb,var(--tone) 30%,transparent)}
.card[data-rarity=legendary] .card-front{animation:shine 2.6s ease-in-out infinite}
@keyframes shine{50%{box-shadow:0 0 0 1px #0006,0 10px 30px #0007,0 0 40px color-mix(in srgb,var(--tone) 60%,transparent)}}
.card-top{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;font-size:12px;color:var(--ink-2)}
.card-rarity{color:var(--tone);font-weight:700;letter-spacing:.1em}
.card-art{margin:0 12px;height:96px;border-radius:6px;display:grid;place-items:center;font-size:52px;font-weight:700;color:var(--tone);background:
  radial-gradient(circle at 50% 120%,color-mix(in srgb,var(--tone) 35%,transparent),transparent 70%),#18201d;border:1px solid #3b483c}
.card-body{padding:12px 14px;display:flex;flex-direction:column;gap:4px;flex:1}
.card-name{font-size:19px;font-weight:700;line-height:1.25}
.card-name-en{font-size:11px;letter-spacing:.12em;color:var(--ink-3);text-transform:uppercase}
.card-text{font-size:13px;line-height:1.55;color:var(--ink-2);margin-top:4px}
.card-foot{display:flex;justify-content:space-between;padding:0 12px 10px;font-size:11px;color:var(--ink-3)}
.badge-new{background:var(--ember);color:#1c1a12;font-weight:700;border-radius:3px;padding:0 6px}

.collection-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px}
.collection{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.slot{--tone:var(--common);border:1px solid var(--line);border-radius:var(--radius);padding:12px;background:var(--panel);display:flex;gap:10px;align-items:center;font-size:14px}
.slot[data-rarity=rare]{--tone:var(--rare)}
.slot[data-rarity=epic]{--tone:var(--epic)}
.slot[data-rarity=legendary]{--tone:var(--legendary)}
.slot .glyph{width:34px;height:34px;flex:none;border-radius:5px;display:grid;place-items:center;font-weight:700;color:var(--tone);border:1px solid var(--tone);background:#18201d}
.slot small{display:block;color:var(--ink-3);font-size:11px}
.slot.locked{opacity:.55}
.pool{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(160px,100%),1fr));gap:12px;margin:20px 0 8px}
.card.small{width:auto;height:auto;perspective:none}
.card.small .card-inner,.card.small .card-front{position:relative;transform:none;height:100%}
.card.small .card-front{box-shadow:none}
.card.small .card-art{height:64px;font-size:34px}
.odds{margin:4px 0 8px}
.odds .absent{opacity:.45}
.sub-head{margin:40px 0 14px}
.sub-head .muted{font-weight:400}
.recent{margin:0;padding-left:0;list-style:none;display:grid;gap:8px;font-size:14px;color:var(--ink-2)}
.recent li{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding-bottom:8px}
.recent li small{color:var(--ink-3);white-space:nowrap}
.recent li.rejected{color:var(--ink-3)}
.slot.locked .glyph{color:var(--ink-3);border-color:var(--line)}

.rules{grid-template-columns:repeat(2,1fr)}
.rules ul{margin:0;padding-left:20px;color:var(--ink-2);font-size:15px}
.odds{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px}
.odds span{color:var(--ink-2)}
.odds b{font-weight:700}

@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr}
  .globe{max-width:240px;margin:0 auto;order:-1}
  .stats{grid-template-columns:repeat(2,1fr)}
  .features,.arch,.rules{grid-template-columns:1fr}
  .limits{columns:1}
}
@media (max-width:520px){
  section{padding:52px 0}
  .nav-links{gap:12px;font-size:13px}
  .nav-links .optional{display:none}
  .card{width:min(210px,100%)}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}
@media (max-width:520px){
  .card.small .card-art{height:48px;font-size:26px}
  .card.small .card-name{font-size:16px}
  .card.small .card-text{font-size:12px}
  .demo-stage{margin-left:0}
}

/* 手牌與天災 */
.card[data-polarity=calamity]{--tone:var(--ember)}
.card[data-polarity=calamity] .card-front{background:linear-gradient(180deg,#3a2620,#241a16)}
.badge-calamity{background:#b4553b;color:#fff3e6;font-weight:700;border-radius:3px;padding:0 6px}
.polarity-odds .polarity-calamity b{color:var(--ember)}
.polarity-odds .polarity-blessing b{color:var(--green)}
.settlement-pick{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2);margin:4px 0 8px}
.settlement-pick select{font:inherit;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:var(--radius);padding:6px 10px}
.held-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(180px,100%),1fr));gap:16px;margin-top:16px}
.held-grid .placeholder{grid-column:1/-1;color:var(--ink-3);text-align:center}
.held{display:flex;flex-direction:column;gap:8px}
.held-hint{margin:0;font-size:12px;color:var(--green)}
.held-hint.warn{color:var(--ember)}
.held-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.small-btn{padding:7px 10px;font-size:14px}
.recent li.calamity{color:var(--ember)}
.calamity-status{font-size:13px;color:var(--ink-3);margin-top:12px}