/* Sabeti Lab · Holiday Cards — chrome (split from app.css; see ARCHITECTURE.md) */
/* ───────── top bar ───────── */
.bar{position:fixed;top:0;left:0;right:0;height:var(--bar);z-index:60;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 clamp(16px,3vw,36px);
  color:var(--fg);pointer-events:none;transition:color .5s}
.bar>*{pointer-events:auto}
.bar-brand{font-family:var(--serif);font-weight:400;font-size:20px;letter-spacing:.04em;text-decoration:none}
.bar-title{font-size:11px;letter-spacing:.24em;text-transform:uppercase;opacity:.7;position:absolute;left:50%;transform:translateX(-50%);white-space:nowrap}
.bar-tools{display:flex;gap:8px}
.bar-btn{font-size:11px;letter-spacing:.2em;text-transform:uppercase;padding:7px 12px;border:1px solid currentColor;border-radius:999px;opacity:.75;transition:opacity .2s,background .2s}
.bar-btn:hover,.bar-btn[aria-pressed="true"]{opacity:1}
.bar-btn[aria-pressed="true"]{background:var(--fg);color:var(--bg)}
@media (max-width:600px){.bar-title{display:none}}

/* ───────── year rail ───────── */
.rail{position:fixed;z-index:55;right:14px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:2px;padding:8px 6px;border-radius:14px;background:rgba(10,14,12,.32);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);opacity:0;transition:opacity .4s;pointer-events:none}
.rail.show{opacity:1;pointer-events:auto}
.rail button{font-size:10.5px;letter-spacing:.08em;color:rgba(255,255,255,.55);padding:3px 8px;border-radius:8px;text-align:right;position:relative;transition:color .2s,font-size .2s}
.rail button:hover{color:#fff}
.rail button.on{color:#fff;font-family:var(--serif);font-size:15px;font-weight:400}
.rail button.on::before{content:"";position:absolute;right:100%;top:50%;width:14px;height:1px;background:var(--gold);margin-right:2px}
body.on-light .rail{background:rgba(255,255,255,.55)}
body.on-light .rail button{color:rgba(29,35,32,.55)}
body.on-light .rail button:hover,body.on-light .rail button.on{color:#1d2320}
body.narrow .rail{right:0;left:0;top:auto;bottom:0;transform:none;flex-direction:row;gap:0;padding:6px 10px calc(6px + env(safe-area-inset-bottom));border-radius:0;overflow-x:auto;scrollbar-width:none;background:linear-gradient(transparent,rgba(10,14,12,.65));backdrop-filter:none;-webkit-backdrop-filter:none}
body.narrow.on-light .rail{background:linear-gradient(transparent,rgba(255,255,255,.75))}
body.narrow .rail::-webkit-scrollbar{display:none}
body.narrow .rail button{flex:0 0 auto;padding:4px 7px}
body.narrow .rail button.on::before{display:none}
/* phones: no backdrop blur (expensive to composite on iOS), solid tints instead */
body.narrow .rail,body.narrow .corner a,body.narrow .corner button,body.narrow .item.video .play i,body.narrow .skin-space .item-frame{backdrop-filter:none;-webkit-backdrop-filter:none}
body.narrow .corner a,body.narrow .corner button{background:rgba(10,14,12,.62)}
body.narrow.on-light .corner a,body.narrow.on-light .corner button{background:rgba(255,255,255,.85)}
body.narrow .skin-space .item-frame{background:rgba(20,28,48,.85)}

/* ───────── corner buttons ───────── */
.corner{position:fixed;z-index:56;right:14px;bottom:16px;display:flex;flex-direction:column;gap:8px;opacity:0;transition:opacity .4s;pointer-events:none}
.corner.show{opacity:1;pointer-events:auto}
.corner a,.corner button{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:rgba(10,14,12,.38);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:#fff;border:1px solid rgba(255,255,255,.18);transition:background .2s,transform .2s;text-decoration:none}
.corner a:hover,.corner button:hover{background:rgba(10,14,12,.7);transform:translateY(-2px)}
.corner svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
body.on-light .corner a,body.on-light .corner button{background:rgba(255,255,255,.6);color:#1d2320;border-color:rgba(29,35,32,.15)}
body.on-light .corner a:hover,body.on-light .corner button:hover{background:rgba(255,255,255,.95)}
body.narrow .corner{right:10px;bottom:calc(46px + env(safe-area-inset-bottom));flex-direction:row}
body.narrow .corner a,body.narrow .corner button{width:36px;height:36px}

/* ───────── end ───────── */
.end{position:relative;background:var(--paper);color:var(--ink);padding:clamp(70px,10vh,120px) 20px clamp(90px,12vh,140px);text-align:center}
.end h2{font-family:var(--serif);font-weight:300;font-style:italic;font-size:clamp(40px,6vw,84px);line-height:1}
.end p{max-width:52ch;margin:18px auto 0;font-size:clamp(15px,1.2vw,18px);color:var(--ink-2)}
.end-press{display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:center;align-items:center;margin:34px auto 0;font-size:13px;color:var(--mute)}
.end-press strong{font-weight:400;letter-spacing:.2em;text-transform:uppercase;font-size:10.5px}
.end-press a{color:var(--ink);text-decoration:none;border-bottom:1px solid var(--gold);padding-bottom:1px}
.end-years{display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:center;margin:40px auto 0;max-width:820px;font-family:var(--serif);font-size:20px}
.end-years button{color:var(--ink-2);padding:2px 4px}
.end-years button:hover{color:var(--ink);border-bottom:1px solid var(--gold)}
.end-links{margin-top:44px;font-size:12px;letter-spacing:.18em;text-transform:uppercase;display:flex;gap:26px;justify-content:center;flex-wrap:wrap}
.end-links a{color:var(--ink-2);text-decoration:none}
.end-links a:hover{color:var(--ink)}

/* ───────── global snow ───────── */
.snow{position:fixed;inset:0;z-index:50;pointer-events:none;display:none}
.snow.on{display:block}