/* ============================================================
   ORBITAL — style.css
   ============================================================ */

:root {
  --ink:        #05060e;
  --ink-2:      #0a0818;
  --cyan:       #7df9ff;
  --violet:     #b892ff;
  --gold:       #ffd479;
  --rose:       #ff8fb8;
  --text:       #eaf0ff;
  --text-dim:   rgba(234, 240, 255, 0.52);
  --text-faint: rgba(234, 240, 255, 0.28);
  --line:       rgba(150, 190, 255, 0.14);
  --glass:      rgba(14, 18, 38, 0.72);
  --hud-top:    72px;
  --hud-bottom: 96px;
  --sat:        0px;
  --sab:        0px;
  color-scheme: dark;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0; padding: 0;
  height: 100%; width: 100%;
  overflow: hidden;
  overscroll-behavior: none;
  background: var(--ink);
  color: var(--text);
  font-family: 'Space Grotesk', ui-sans-serif, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  touch-action: none;
  user-select: none; -webkit-user-select: none;
}

#stage {
  position: fixed; inset: 0;
  width: 100%; height: 100%;
  display: block;
  touch-action: none;
}

#satProbe { position: fixed; top: 0; left: 0; width: 1px; height: env(safe-area-inset-top, 0px); pointer-events: none; opacity: 0; }
#sabProbe { position: fixed; bottom: 0; left: 0; width: 1px; height: env(safe-area-inset-bottom, 0px); pointer-events: none; opacity: 0; }

/* ---------------- HUD ---------------- */

.hud {
  position: fixed; left: 0; right: 0;
  pointer-events: none;
  z-index: 5;
}
.hud--top {
  top: 0;
  padding: calc(14px + env(safe-area-inset-top, 0px)) 18px 0;
  display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
}
.hud--bottom {
  bottom: 0;
  padding: 0 18px calc(18px + env(safe-area-inset-bottom, 0px));
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}

.wordmark {
  font-size: 15px; font-weight: 700;
  letter-spacing: 0.34em; text-transform: uppercase;
  line-height: 1;
  background: linear-gradient(96deg, #ffffff 0%, var(--cyan) 48%, var(--violet) 100%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  filter: drop-shadow(0 0 14px rgba(125, 249, 255, 0.28));
}
.subline {
  margin-top: 6px;
  font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--text-faint);
  display: flex; align-items: center; gap: 7px;
}
.subline b { color: var(--text-dim); font-weight: 600; }

.tools { display: flex; gap: 8px; pointer-events: auto; }
.icon-btn {
  width: 36px; height: 36px; flex: none;
  display: grid; place-items: center;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  color: var(--text-dim);
  cursor: pointer;
  transition: transform .16s cubic-bezier(.34,1.56,.64,1), color .2s, border-color .2s, background .2s;
}
.icon-btn:hover { color: var(--text); border-color: rgba(150,190,255,.3); background: rgba(255,255,255,.07); }
.icon-btn:active { transform: scale(.9); }
.icon-btn svg { width: 17px; height: 17px; }
.icon-btn.is-off { color: rgba(234,240,255,.18); }

/* ---------------- bottom status ---------------- */

.status {
  display: flex; align-items: center; gap: 14px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--glass);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 10px 34px rgba(0,0,0,.42);
}
.status .attempts {
  font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--text-dim); white-space: nowrap;
}
.status .attempts b { color: var(--text); font-weight: 700; font-variant-numeric: tabular-nums; }
.status .divider { width: 1px; height: 14px; background: var(--line); }
.pips { display: flex; gap: 6px; }
.pip {
  width: 13px; height: 13px;
  transition: transform .34s cubic-bezier(.34,1.7,.5,1), filter .34s;
  transform: scale(.82); filter: none;
}
.pip svg { width: 100%; height: 100%; display: block; }
.pip .fill { fill: rgba(255,255,255,.13); transition: fill .3s; }
.pip.on { transform: scale(1.14); }
.pip.on .fill { fill: var(--gold); }
.pip.on { filter: drop-shadow(0 0 7px rgba(255,212,121,.8)); }

.hint {
  font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--text-faint);
  text-align: center; min-height: 14px;
  transition: opacity .35s, color .35s;
}
.hint.warm { color: var(--gold); opacity: 1; }

/* ---------------- sheets ---------------- */

.scrim {
  position: fixed; inset: 0; z-index: 20;
  background: rgba(3, 4, 11, 0.66);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  display: grid; place-items: center;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity .34s ease;
}
.scrim.show { opacity: 1; pointer-events: auto; }

.sheet {
  width: min(400px, 100%);
  max-height: calc(100vh - 40px);
  overflow-y: auto;
  border-radius: 26px;
  border: 1px solid rgba(150, 190, 255, 0.16);
  background:
    radial-gradient(120% 90% at 50% -10%, rgba(125,249,255,.10), transparent 62%),
    linear-gradient(180deg, rgba(20,24,48,.96), rgba(9,11,26,.98));
  box-shadow: 0 34px 90px rgba(0,0,0,.6), inset 0 1px 0 rgba(255,255,255,.07);
  padding: 30px 26px 24px;
  text-align: center;
  transform: translateY(18px) scale(.97);
  opacity: 0;
  transition: transform .42s cubic-bezier(.2,.9,.3,1), opacity .34s;
}
.scrim.show .sheet { transform: none; opacity: 1; }

.sheet h2 {
  margin: 0 0 4px;
  font-size: 12px; font-weight: 700;
  letter-spacing: .34em; text-transform: uppercase;
  color: var(--cyan);
  filter: drop-shadow(0 0 12px rgba(125,249,255,.4));
}
.sheet .big {
  margin: 10px 0 2px;
  font-size: 30px; font-weight: 700; letter-spacing: -0.02em;
  line-height: 1.1;
}
.sheet .sub { font-size: 12.5px; color: var(--text-dim); letter-spacing: .04em; margin: 0; }

.result-stars { display: flex; justify-content: center; gap: 10px; margin: 20px 0 16px; }
.result-stars .pip { width: 26px; height: 26px; }

.metrics { display: flex; justify-content: center; gap: 0; margin: 18px 0 6px; }
.metric { flex: 1; padding: 0 6px; }
.metric .v { font-size: 21px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.metric .k { font-size: 9.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--text-faint); margin-top: 3px; }

.spark {
  margin: 16px 0 4px;
  font-family: ui-monospace, 'SF Mono', Menlo, monospace;
  font-size: 19px; letter-spacing: .04em;
  color: var(--violet);
  filter: drop-shadow(0 0 10px rgba(184,146,255,.45));
}
.spark-label { font-size: 9.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--text-faint); }

.btn-row { display: flex; flex-direction: column; gap: 9px; margin-top: 22px; }
.btn {
  appearance: none; border: 0; cursor: pointer;
  width: 100%; padding: 14px 18px;
  border-radius: 15px;
  font-family: inherit; font-size: 12.5px; font-weight: 700;
  letter-spacing: .18em; text-transform: uppercase;
  transition: transform .16s cubic-bezier(.34,1.56,.64,1), filter .2s, background .2s;
}
.btn:active { transform: scale(.96); }
.btn--primary {
  color: #04121a;
  background: linear-gradient(100deg, var(--cyan), #a5e6ff 42%, var(--violet));
  box-shadow: 0 10px 30px rgba(125,249,255,.22);
}
.btn--primary:hover { filter: brightness(1.08); }
.btn--ghost {
  color: var(--text-dim);
  background: rgba(255,255,255,.045);
  border: 1px solid var(--line);
}
.btn--ghost:hover { color: var(--text); background: rgba(255,255,255,.08); }

.footnote {
  margin-top: 18px; padding-top: 16px;
  border-top: 1px solid rgba(150,190,255,.1);
  font-size: 10.5px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--text-faint);
  display: flex; justify-content: center; gap: 14px; flex-wrap: wrap;
}
.footnote b { color: var(--text-dim); font-weight: 600; font-variant-numeric: tabular-nums; }

/* how-to */
.rules { text-align: left; margin: 22px 0 4px; display: flex; flex-direction: column; gap: 15px; }
.rule { display: flex; gap: 13px; align-items: flex-start; }
.rule .glyph {
  width: 30px; height: 30px; flex: none; border-radius: 10px;
  display: grid; place-items: center; font-size: 15px;
  background: rgba(255,255,255,.05); border: 1px solid var(--line);
}
.rule p { margin: 0; font-size: 13px; line-height: 1.5; color: var(--text-dim); }
.rule p b { color: var(--text); font-weight: 600; }

/* stats */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; margin: 22px 0 10px; }
.stat-grid .v { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-grid .k { font-size: 8.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--text-faint); margin-top: 4px; }

.toast {
  position: fixed; left: 50%; bottom: calc(110px + env(safe-area-inset-bottom, 0px));
  transform: translate(-50%, 12px);
  z-index: 40;
  padding: 11px 20px; border-radius: 999px;
  background: rgba(20,24,48,.94);
  border: 1px solid rgba(150,190,255,.2);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--text);
  opacity: 0; pointer-events: none;
  transition: opacity .3s, transform .3s cubic-bezier(.2,.9,.3,1);
  box-shadow: 0 14px 36px rgba(0,0,0,.5);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-height: 620px) {
  .sheet { padding: 22px 22px 18px; }
  .sheet .big { font-size: 25px; }
  .rules { gap: 11px; margin: 16px 0 2px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* history rows */
.history { margin: 18px 0 4px; display: flex; flex-direction: column; gap: 2px; }
.hist-row {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 10px;
  background: rgba(255,255,255,.028);
  font-size: 11.5px;
}
.hist-row:nth-child(odd) { background: rgba(255,255,255,.05); }
.hist-row .hn { color: var(--text-dim); font-variant-numeric: tabular-nums; width: 42px; text-align: left; font-weight: 600; }
.hist-row .hs { color: var(--gold); letter-spacing: 1px; font-size: 10px; }
.hist-row .hs .dim { color: rgba(255,255,255,.13); }
.hist-row .ha { color: var(--text-faint); margin-left: auto; white-space: nowrap; font-size: 10.5px; }
.hist-row .hp { font-family: ui-monospace, 'SF Mono', Menlo, monospace; color: var(--violet); font-size: 12px; opacity: .8; }
.history .empty { color: var(--text-faint); font-size: 12px; margin: 14px 0; }