/* ============================================================
   TICKER — broadcast-signal aesthetic
   Palette:
     --ground   #0b1020  deep navy-black (all-day low fatigue)
     --ground-2 #121a30  raised panel
     --line     #24304f  hairline
     --amber    #ffb020  live readout accent
     --amber-hi #ffce6b  hover/active
     --ink      #eaf0ff  primary text
     --ink-dim  #8a97b8  secondary
   Type: Archivo Narrow (headlines/ticker), Archivo (UI), JetBrains Mono (data)
   ============================================================ */

:root{
  --ground:#0b1020; --ground-2:#121a30; --line:#24304f;
  --amber:#ffb020; --amber-hi:#ffce6b; --ink:#eaf0ff; --ink-dim:#8a97b8;
  --head:#ffb020; --head-hi:#ffce6b;   /* headline color, driven by picker */
  --r:14px; --pad:clamp(16px,4vw,32px);
  --tick-dur:60s;
}

/* ---- OLED pitch-black: pixels fully off ---- */
body.oled{
  --ground:#000000; --ground-2:#0a0a0a; --line:#1c1c1c;
  --ink-dim:#7d7d85;
  background:#000000;
}
body.oled .grain{opacity:.18}
body.oled .start{box-shadow:none}

*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  background:radial-gradient(1200px 800px at 70% -10%, #16203c 0%, var(--ground) 55%);
  color:var(--ink);
  font-family:"Archivo",system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* ambient scanlines — subtle, moves the eye, harmless on OLED */
.grain{
  position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.35;
  background:repeating-linear-gradient(0deg,rgba(255,255,255,.015) 0 1px,transparent 1px 3px);
  mix-blend-mode:overlay;
}

/* ---------------- SETUP ---------------- */
.setup{
  position:relative;z-index:1;
  max-width:860px;margin:0 auto;padding:var(--pad);
  display:flex;flex-direction:column;gap:clamp(20px,3.5vw,34px);
  min-height:100dvh;
}
.setup__head{padding-top:clamp(12px,4vw,40px)}
.brand{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.brand__pulse{
  width:12px;height:12px;border-radius:50%;background:var(--amber);
  box-shadow:0 0 0 0 rgba(255,176,32,.6);animation:pulse 2.4s infinite;
}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,176,32,.5)}70%{box-shadow:0 0 0 14px rgba(255,176,32,0)}100%{box-shadow:0 0 0 0 rgba(255,176,32,0)}}
.brand__mark{
  font-family:"Archivo Narrow";font-weight:700;letter-spacing:.22em;
  font-size:clamp(22px,3.6vw,30px);
}
.brand__sub{color:var(--ink-dim);font-family:"JetBrains Mono";font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.setup__lede{
  margin:18px 0 0;max-width:52ch;color:var(--ink-dim);
  font-size:clamp(15px,2.2vw,18px);line-height:1.55;
}

.panel{border-top:1px solid var(--line);padding-top:clamp(16px,2.5vw,22px)}
.panel__title{
  display:flex;align-items:baseline;gap:12px;margin:0 0 16px;
  font-family:"Archivo Narrow";font-weight:700;letter-spacing:.04em;
  font-size:clamp(16px,2.4vw,19px);text-transform:uppercase;
}
.panel__num{font-family:"JetBrains Mono";font-size:12px;color:var(--amber);font-weight:500}

.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  appearance:none;border:1px solid var(--line);background:var(--ground-2);
  color:var(--ink);font:inherit;font-size:14px;font-weight:600;
  padding:10px 16px;border-radius:999px;cursor:pointer;
  transition:border-color .15s,background .15s,color .15s,transform .08s;
  min-height:44px;
}
.chip:hover{border-color:#3a4a75}
.chip:active{transform:scale(.97)}
.chip[aria-checked="true"],.chip.is-on{
  background:var(--amber);color:#20160a;border-color:var(--amber);
}
.chip:focus-visible{outline:2px solid var(--amber-hi);outline-offset:2px}

.swatches{display:flex;flex-wrap:wrap;gap:10px}
.swatch{
  display:inline-flex;align-items:center;gap:9px;
  border:1px solid var(--line);background:var(--ground-2);color:var(--ink);
  font:inherit;font-size:14px;font-weight:600;padding:9px 15px 9px 11px;
  border-radius:999px;cursor:pointer;min-height:44px;
  transition:border-color .15s,transform .08s;
}
.swatch:active{transform:scale(.97)}
.swatch:focus-visible{outline:2px solid var(--head-hi);outline-offset:2px}
.swatch__dot{width:16px;height:16px;border-radius:50%;box-shadow:0 0 10px currentColor}
.swatch.is-on{border-color:var(--ink)}
.swatch.is-on .swatch__dot{box-shadow:0 0 0 2px var(--ground),0 0 0 4px currentColor}

.opts{display:flex;flex-direction:column;gap:14px}
.opt{display:flex;align-items:center;gap:14px;cursor:pointer;min-height:44px}
.opt input{position:absolute;opacity:0;width:0;height:0}
.opt__box{
  width:44px;height:26px;border-radius:999px;background:var(--ground-2);
  border:1px solid var(--line);position:relative;flex:0 0 auto;transition:background .15s,border-color .15s;
}
.opt__box::after{
  content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;
  background:var(--ink-dim);transition:transform .18s,background .18s;
}
.opt input:checked + .opt__box{background:rgba(255,176,32,.25);border-color:var(--amber)}
.opt input:checked + .opt__box::after{transform:translateX(18px);background:var(--amber)}
.opt input:focus-visible + .opt__box{outline:2px solid var(--amber-hi);outline-offset:2px}
.opt__text{display:flex;flex-direction:column;gap:2px}
.opt__text strong{font-size:15px;font-weight:600}
.opt__text em{font-style:normal;color:var(--ink-dim);font-size:13px}
.opt__text--range{order:2}
.opt__range{
  order:1;-webkit-appearance:none;appearance:none;height:4px;border-radius:4px;
  background:var(--line);width:180px;max-width:46vw;
}
.opt__range::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--amber);cursor:pointer}
.opt__range::-moz-range-thumb{width:20px;height:20px;border:0;border-radius:50%;background:var(--amber);cursor:pointer}

.start{
  margin-top:auto;align-self:flex-start;
  display:inline-flex;align-items:center;gap:12px;
  background:var(--amber);color:#20160a;border:0;border-radius:var(--r);
  font-family:"Archivo Narrow";font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  font-size:clamp(16px,2.4vw,19px);padding:16px 26px;cursor:pointer;
  transition:transform .08s,box-shadow .2s,opacity .2s;
  box-shadow:0 6px 30px rgba(255,176,32,.25);
}
.start:hover{transform:translateY(-1px);box-shadow:0 10px 40px rgba(255,176,32,.35)}
.start:active{transform:translateY(0)}
.start:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}
.start:focus-visible{outline:2px solid var(--amber-hi);outline-offset:3px}
.setup__hint{margin:12px 0 0;color:var(--ink-dim);font-size:13px;font-family:"JetBrains Mono"}

/* ---------------- STAGE ---------------- */
.stage{position:relative;z-index:1;min-height:100dvh;display:flex;flex-direction:column}
.stage__bar{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px var(--pad);border-bottom:1px solid var(--line);
}
.stage__meta{display:flex;align-items:center;gap:14px}
.stage__meta--right{margin-left:auto}
.live{display:inline-flex;align-items:center;gap:7px;font-family:"JetBrains Mono";font-size:12px;letter-spacing:.16em;color:var(--amber)}
.live__dot{width:8px;height:8px;border-radius:50%;background:var(--amber);animation:pulse 2s infinite}
.stage__count,.stage__clock{font-family:"JetBrains Mono";font-size:12px;color:var(--ink-dim)}
.iconbtn{
  display:grid;place-items:center;width:44px;height:44px;border-radius:12px;
  background:var(--ground-2);border:1px solid var(--line);color:var(--ink);cursor:pointer;
  transition:border-color .15s,color .15s;
}
.iconbtn:hover{border-color:var(--amber);color:var(--amber)}
.iconbtn:focus-visible{outline:2px solid var(--amber-hi);outline-offset:2px}

/* the ticker itself — the signature element */
.ticker{
  flex:1;display:flex;align-items:center;overflow:hidden;position:relative;
  cursor:pointer;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent);
}
.ticker__track{
  display:flex;align-items:center;white-space:nowrap;will-change:transform;
  animation:scroll var(--tick-dur) linear infinite;
  padding-left:100%;
}
.ticker.is-paused .ticker__track{animation-play-state:paused}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

.head{
  display:inline-flex;align-items:center;gap:16px;padding:0 clamp(20px,3vw,40px);
  font-family:"Archivo Narrow";font-weight:600;
  font-size:clamp(26px,6.4vw,60px);line-height:1;color:var(--head);
  cursor:pointer;transition:color .15s;
}
.head:hover{color:var(--head-hi)}
.head__src{
  font-family:"JetBrains Mono";font-weight:500;font-size:.32em;letter-spacing:.1em;
  color:var(--head);opacity:.85;text-transform:uppercase;
  border:1px solid currentColor;border-radius:6px;padding:.35em .5em;
}
.head__sep{width:8px;height:8px;border-radius:50%;background:var(--line);flex:0 0 auto}

.stage__foot{
  padding:10px var(--pad);border-top:1px solid var(--line);
  font-family:"JetBrains Mono";font-size:11px;color:var(--ink-dim);letter-spacing:.08em;
}

/* ---------------- READER ---------------- */
/* [hidden] must always win over display rules below */
[hidden]{display:none !important}

.reader{
  position:fixed;inset:0;z-index:20;background:var(--ground);
  display:flex;flex-direction:column;
  animation:slideup .28s cubic-bezier(.2,.8,.2,1);
}
@keyframes slideup{from{transform:translateY(3%);opacity:0}to{transform:translateY(0);opacity:1}}
.reader__chrome{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px var(--pad);border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--ground)
}
.reader__back{
  display:inline-flex;align-items:center;gap:8px;background:var(--amber);color:#20160a;
  border:0;border-radius:12px;font:inherit;font-weight:700;padding:11px 16px;cursor:pointer;min-height:44px;
}
.reader__back:focus-visible{outline:2px solid var(--amber-hi);outline-offset:2px}
.reader__open{color:var(--amber);font-family:"JetBrains Mono";font-size:13px;text-decoration:none}
.reader__open:hover{color:var(--amber-hi);text-decoration:underline}
.reader__body{
  overflow-y:auto;padding:clamp(22px,5vw,56px) var(--pad) 80px;
  max-width:720px;margin:0 auto;width:100%;
}
.reader__body h1{
  font-family:"Archivo Narrow";font-weight:700;font-size:clamp(26px,5vw,42px);
  line-height:1.1;margin:0 0 8px;
}
.reader__kicker{font-family:"JetBrains Mono";font-size:12px;color:var(--head);letter-spacing:.12em;text-transform:uppercase;margin-bottom:14px;display:block}
.reader__img{width:100%;border-radius:var(--r);border:1px solid var(--line);margin:18px 0;display:block}
.reader__body p{font-size:clamp(16px,2.3vw,18px);line-height:1.7;color:#d4ddf5;margin:0 0 18px}
.reader__loading{color:var(--ink-dim);font-family:"JetBrains Mono";font-size:14px}
.reader__summary{font-size:clamp(17px,2.6vw,20px);line-height:1.6;color:var(--ink);border-left:2px solid var(--head);padding-left:18px;margin:8px 0 24px}

/* ---------------- toast ---------------- */
.toast{
  position:fixed;left:50%;bottom:24px;transform:translateX(-50%);
  background:var(--ground-2);border:1px solid var(--line);color:var(--ink);
  padding:12px 18px;border-radius:12px;z-index:40;font-size:14px;
  box-shadow:0 10px 40px rgba(0,0,0,.5);animation:slideup .2s;
}

/* ---------------- Fold + orientation tuning ---------------- */
/* folded / narrow portrait phone face */
@media (max-width:600px){
  .head{font-size:clamp(24px,8vw,40px)}
  .setup__lede{font-size:16px}
}
/* unfolded inner screen — landscape, more air, bigger crawl */
@media (min-width:768px) and (orientation:landscape){
  .head{font-size:clamp(40px,7vh,72px)}
  .setup{max-width:960px}
}
/* unfolded portrait (tall square-ish inner screen) */
@media (min-width:700px) and (max-width:900px) and (orientation:portrait){
  .head{font-size:clamp(34px,6vw,56px)}
}
/* very wide desks / external monitor */
@media (min-width:1400px){
  .setup{max-width:1080px}
}

@media (prefers-reduced-motion:reduce){
  .ticker__track{animation-duration:calc(var(--tick-dur) * 2.2)}
  .brand__pulse,.live__dot{animation:none}
}