/* SIWOO ARCADE independent games — does not change original station theme */
:root{--ac-ink:#0d090e;--ac-panel:#191017;--ac-edge:#583342;--ac-text:#f8ecf0;--ac-muted:#c3a9b3;--ac-red:#fb536d;--ac-gold:#ffd19a}
.arcade-body{background:radial-gradient(ellipse at 50% -15%,#491c2b 0,transparent 60%),#0b080c;color:var(--ac-text);min-height:100vh;font-family:system-ui,-apple-system,"Apple SD Gothic Neo","Malgun Gothic",sans-serif}
.arcade-body *{box-sizing:border-box}
.arcade-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px max(20px,calc((100vw - 1260px)/2));background:rgba(9,7,9,.94);border-bottom:1px solid #593043;flex-wrap:wrap}
.arcade-brand{font:700 23px/1 Georgia,serif;text-decoration:none;color:#fff;letter-spacing:2px}.arcade-brand span{color:#f76a82}.arcade-links{display:flex;gap:13px;flex-wrap:wrap}.arcade-links a{color:#f5dbe3;text-decoration:none;font-size:13px;padding:8px 11px;border-radius:9px}.arcade-links a:hover,.arcade-links a[aria-current]{background:#612434;color:#fff}
.arcade-main{max-width:1300px;margin:0 auto;padding:28px 20px 58px}.arcade-eyebrow{font-size:12px;letter-spacing:.28em;color:var(--ac-red);font-weight:700}.arcade-main h1{font-family:Georgia,serif;font-size:clamp(28px,4vw,47px);line-height:1.17;margin:12px 0 6px}.arcade-intro{color:var(--ac-muted);font-size:15px;line-height:1.8;margin:10px 0 25px}
.arcade-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(270px,.67fr);gap:20px}.arcade-panel{background:linear-gradient(140deg,rgba(42,23,32,.95),rgba(19,13,19,.97));border:1px solid #593344;border-radius:20px;padding:20px;min-width:0;box-shadow:0 16px 55px rgba(0,0,0,.20)}.arcade-panel h2{font-size:20px;margin:0 0 16px}.arcade-panel p{line-height:1.55}
.arcade-button{border:1px solid #bd5269;background:#3e1e2c;color:white;padding:12px 16px;border-radius:12px;cursor:pointer;min-height:44px;font:700 14px inherit;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px}.arcade-button.primary{background:linear-gradient(125deg,#df3b58,#a21c3a);border-color:#fb748c}.arcade-button:disabled{opacity:.45;cursor:not-allowed}.arcade-button:focus-visible,.arcade-links a:focus-visible{outline:3px solid #ffe5a9;outline-offset:3px}.arcade-button:hover:not(:disabled){filter:brightness(1.13)}
.arcade-controls{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:12px 0}.arcade-micro{font-size:12px;color:#cdb4bd}.arcade-tag{font-size:12px;border:1px solid #985164;padding:6px 10px;border-radius:100px;color:#ffc4d1;white-space:nowrap}
.arcade-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:25px 0}.arcade-card{display:flex;min-height:250px;flex-direction:column;justify-content:space-between;gap:14px;border-radius:22px;padding:24px;border:1px solid #754052;background:linear-gradient(145deg,#442131,#161018 67%);color:#fff;text-decoration:none;overflow:hidden;position:relative}.arcade-card:focus-visible{outline:3px solid #ffc3d2}.arcade-card:hover{border-color:#ff8da0}.arcade-card h2{font:700 clamp(21px,3vw,28px) Georgia,serif;margin:8px 0}.arcade-card p{color:#ead3da;max-width:440px;font-size:14px;line-height:1.7}.arcade-card-icon{font-size:70px;line-height:1}.arcade-card small{color:#ffa6b7}.arcade-card img{position:absolute;height:160px;max-width:35%;object-fit:contain;right:8px;bottom:12px;filter:drop-shadow(0 6px 8px #000a);pointer-events:none}.arcade-card-text{max-width:65%;position:relative;z-index:1}.arcade-card-foot{font-weight:700;color:#ffe3e7;font-size:13px;position:relative;z-index:1}
.jump-game-shell{position:relative;border:1px solid #803b59;border-radius:15px;overflow:hidden;background:#110b17}.jump-canvas{width:100%;display:block;aspect-ratio:920 / 510;background:#110b17}.jump-hud{position:absolute;top:12px;left:12px;right:12px;display:flex;justify-content:space-between;gap:10px;pointer-events:none;flex-wrap:wrap}.jump-hud div{padding:7px 12px;border-radius:9px;background:#170c19c9;border:1px solid #ad5276;color:#fff;font-size:13px;font-weight:bold;white-space:nowrap}.jump-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(10,6,13,.66);padding:20px;text-align:center}.jump-modal{max-width:470px;width:100%;border:1px solid #aa5873;background:#20111ef4;border-radius:18px;padding:27px}.jump-modal h2{font:700 30px Georgia,serif;color:#fff;margin:10px 0}.jump-modal p{color:#f0d1d9;line-height:1.65}.jump-modal .arcade-button{margin:8px auto}
.jump-mobile{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px}.jump-mobile .arcade-button{user-select:none;touch-action:none;min-width:64px;min-height:58px;font-size:22px}.jump-help{color:#c5a7b7;font-size:13px}.jump-leaderboard{list-style:none;padding:0;margin:0}.jump-leaderboard li{display:flex;justify-content:space-between;gap:12px;padding:11px 4px;border-bottom:1px solid #523241;color:#f7e3e8}.jump-leaderboard em{font-style:normal;color:#ffc0ce;font-weight:750}
.arcade-footer{text-align:center;padding:24px;color:#ac8b97;font-size:13px;border-top:1px solid #553343}.arcade-status{min-height:20px;color:#ffc7d2;font-size:13px}.arcade-demo-badge{display:inline-flex;border:1px solid #94607b;border-radius:40px;padding:6px 12px;color:#ffe0e9;font-size:12px}.arcade-shortcut{margin-top:22px;padding:14px 18px;border:1px solid #644354;background:#20131d;border-radius:12px}
@media(max-width:780px){.arcade-grid,.arcade-cards{grid-template-columns:1fr}.arcade-main{padding:20px 12px 36px}.arcade-panel{padding:13px}.arcade-bar{padding:15px}.arcade-card{min-height:200px}.jump-hud{top:5px;left:5px;right:5px}.jump-hud div{font-size:10px;padding:5px}.jump-mobile{flex-wrap:wrap}.jump-help{order:3;flex-basis:100%}}
/* SIWOO RADIO · Moonlight Infinite Stairs */
.stair-heart{color:#ff6f8c}.stair-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(270px,.7fr);gap:20px;align-items:start}.stair-play-panel{padding:15px}.stair-game{position:relative;overflow:hidden;border:1px solid #93485d;border-radius:17px;background:#130e1d}.stair-game canvas{display:block;width:100%;height:auto;aspect-ratio:960/570}.stair-hud{position:absolute;top:14px;left:15px;right:15px;display:flex;align-items:flex-start;gap:18px;justify-content:space-between;pointer-events:none}.stair-hud-score,.stair-hud-best{min-width:112px;background:#170d1bdf;padding:10px 12px;border:1px solid #a65063;border-radius:12px}.stair-hud-score span,.stair-hud-best span{color:#ffbccb;font-size:10px;letter-spacing:.13em;display:block}.stair-hud-score strong,.stair-hud-best strong{font:800 30px/1.1 system-ui;color:white;display:inline-block}.stair-hud-score small{font-size:10px;color:#ffbac7;margin-left:6px}.stair-time{flex:1;max-width:420px;background:#160e1ad9;border:1px solid #a65063;border-radius:13px;padding:10px 13px}.stair-time-top{display:flex;justify-content:space-between;gap:6px;color:#ffcad7;font-size:11px;margin-bottom:8px}.stair-time-top b{font-size:12px;color:#fff}.stair-time-track{width:100%;height:12px;background:#402533;border:1px solid #8e5264;overflow:hidden;border-radius:20px}.stair-time-track div{height:100%;width:100%;border-radius:20px;background:linear-gradient(90deg,#f9ac94,#fc4469);transition:width .13s linear}.stair-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:20px;background:#090712b9;text-align:center}.stair-overlay[hidden]{display:none!important}.stair-dialog{background:linear-gradient(155deg,#371928fa,#190f1ded);padding:26px 27px;border:1px solid #ef788a;border-radius:20px;max-width:440px;box-shadow:0 12px 45px #000b}.stair-dialog h2{font:700 clamp(22px,4vw,34px) Georgia,serif;color:#fff;margin:15px 0 12px}.stair-dialog p{line-height:1.68;color:#f6d3db;margin:0 0 18px}.stair-controls{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:14px}.stair-control{border:1px solid #e67796;background:linear-gradient(140deg,#3b2031,#241321);color:#fff;min-height:108px;display:flex;flex-direction:column;justify-content:center;gap:6px;border-radius:16px;cursor:pointer;touch-action:manipulation;user-select:none}.stair-control b{font-size:20px}.stair-control small{font-size:12px;color:#ffe1e7}.stair-control .stair-key{align-self:center;font-size:11px;letter-spacing:1px;font-weight:800;color:#ffc3cf}.stair-control-up{background:linear-gradient(140deg,#f1516f,#a92648);border-color:#ffa6b9}.stair-control:active{transform:translateY(2px);filter:brightness(1.17)}.stair-control:focus-visible{outline:3px solid #ffdf91;outline-offset:3px}.stair-profile{display:flex;align-items:center;gap:14px}.stair-profile img{height:108px;width:96px;object-fit:contain;filter:drop-shadow(0 5px 6px #0009)}.stair-profile div{display:flex;flex-direction:column;gap:9px;min-width:0}.stair-profile b{font-size:17px;overflow-wrap:anywhere}.stair-profile span,.stair-change{font-size:12px;color:#d5bbc6}.stair-change{color:#ff8fa4}.stair-separator{border:0;border-top:1px solid #683b51;margin:24px 0}.stair-how p{color:#e4c2cf;font-size:13px;line-height:1.7}.stair-how p b{color:#ff9eaf}.stair-rank-person{display:flex;align-items:center;gap:9px;min-width:0}.stair-rank-person b{font-size:13px;min-width:15px;color:#ff97ae}.stair-rank-person img{width:31px;height:31px;object-fit:contain;border-radius:50%;background:#432433}.stair-rank-person span{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.stair-rank-row{align-items:center;min-width:0}.stair-rank-row em{white-space:nowrap}
@media(max-width:980px){.stair-layout{grid-template-columns:1fr}}@media(max-width:570px){.stair-play-panel{padding:8px}.stair-hud{top:6px;left:6px;right:6px;gap:5px}.stair-hud-score,.stair-hud-best{min-width:52px;padding:5px 7px;border-radius:7px}.stair-hud-score strong,.stair-hud-best strong{font-size:18px}.stair-hud-score span,.stair-hud-best span{font-size:7px}.stair-hud-score small{display:none}.stair-time{padding:5px 7px;border-radius:7px}.stair-time-track{height:8px}.stair-time-top{font-size:8px;margin-bottom:3px}.stair-time-top b{font-size:9px}.stair-dialog{padding:14px}.stair-dialog p{font-size:12px;line-height:1.5}.stair-dialog h2{margin:8px 0}.stair-controls{gap:7px}.stair-control{min-height:90px}.stair-control b{font-size:17px}.stair-control .stair-key{font-size:9px}}

/* SIWOO RADIO infinite stairs: desktop arrow keys, mobile left/right screen touch */
#stair-canvas{touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}
.stair-touch-guide{display:none;position:absolute;left:12px;right:12px;bottom:14px;z-index:2;justify-content:space-between;gap:7px;pointer-events:none;user-select:none}
.stair-touch-guide span{flex:1;min-width:0;text-align:center;background:#1b101cbd;border:1px solid #ef8396a0;border-radius:12px;padding:11px 4px;color:#ffe3ea;font-size:clamp(10px,2.2vw,14px);font-weight:750;letter-spacing:-.02em}
@media (hover:hover) and (pointer:fine){.stair-controls{display:none}}
@media (hover:none) and (pointer:coarse){.stair-game[data-playing="true"] .stair-touch-guide{display:flex}.stair-controls{display:grid}}