/* Folded Thunder: cream paper, teal and coral folds, gold leaf, and Mr. Blank's black lacquer. */
:root {
  --paper: #f4ecd8; --paper-2: #e6d9b8; --ink: #14141c; --ink-2: #3a3a4a; --teal: #2fb5a8; --teal-2: #9fe3d8; --coral: #ff7a5c; --coral-2: #ffc0a8;
  --gold: #e2b347; --gold-2: #f2c14e; --lacquer: #121218; --mist: #cfe8e4;
  --display: "Avenir Next", "Futura", "Trebuchet MS", "Segoe UI", system-ui, sans-serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --st: env(safe-area-inset-top, 0px); --sb: env(safe-area-inset-bottom, 0px); --sl: env(safe-area-inset-left, 0px); --sr: env(safe-area-inset-right, 0px);
  --fold: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; background: var(--lacquer); color: var(--paper); font-family: var(--sans); -webkit-tap-highlight-color: transparent; }
body { touch-action: none; user-select: none; -webkit-user-select: none; }
[hidden] { display: none !important; }
button { font: inherit; color: inherit; }
a { color: var(--gold-2); }
#app-canvas { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }
.eyebrow { margin: 0 0 .4rem; font-size: .72rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--teal); }
.micro { font-size: .64rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: var(--mist); opacity: .85; }
.gold { color: var(--gold); }

/* the loader, in this machine's colours */
.ft-boot { --tl-bg: #121218; --tl-bg-2: #17675f; --tl-ink: #f4ecd8; --tl-muted: #9fc8c0; --tl-line: #2a2a38; --tl-accent: #f2c14e; --tl-accent-2: #ff7a5c; --tl-lamp: #2fb5a8; --tl-bad: #ff6a4d; font-family: var(--display); }
.ft-boot h1 { font-family: var(--display); font-weight: 900; letter-spacing: -1px; font-stretch: normal; }
.ft-boot h1 em { color: var(--gold-2); font-style: normal; letter-spacing: 0; }
.ft-boot .tl-field .fold { fill: none; stroke: #f2c14e; stroke-width: 2; opacity: .8; }
.ft-boot .tl-field .loop { fill: none; stroke: #2fb5a8; stroke-width: 3; opacity: .8; animation: ft-spin 3s linear infinite; transform-origin: 52px 128px; stroke-dasharray: 10 6; }
.ft-boot .tl-field .ramp { fill: none; stroke: #ff7a5c; stroke-width: 3; stroke-linecap: round; opacity: .8; }
.ft-boot .tl-field .bumper .cap { fill: #ff7a5c; animation: ft-spin 2.4s linear infinite; transform-box: fill-box; transform-origin: center; }
@keyframes ft-spin { to { transform: rotate(360deg); } }

/* buttons: folded paper with a dog-eared corner */
.btn { position: relative; min-height: 46px; padding: 0 20px; border: 0; border-radius: 3px; cursor: pointer; clip-path: var(--fold);
  background: rgba(20, 20, 28, .82); color: var(--paper); font: 750 1rem var(--display); letter-spacing: .02em;
  box-shadow: inset 0 0 0 1.5px rgba(244, 236, 216, .35); transition: transform .12s, background .12s; }
.btn::after { content: ''; position: absolute; top: 0; right: 0; width: 14px; height: 14px; background: linear-gradient(225deg, transparent 50%, rgba(255,255,255,.35) 50%); }
.btn:hover, .btn:focus-visible { background: rgba(23, 103, 95, .92); outline: none; transform: translateY(-1px) rotate(-.4deg); }
.btn.primary { background: linear-gradient(100deg, #e05a3c, var(--coral) 45%, #ff9a7a); color: #2a0e08; box-shadow: inset 0 0 0 1.5px rgba(42,14,8,.3), 0 0 24px rgba(255, 122, 92, .3); }
.btn.primary:hover, .btn.primary:focus-visible { background: linear-gradient(100deg, #ff7a5c, #ffb090); }
.btn.ghost { background: rgba(20, 20, 28, .45); box-shadow: inset 0 0 0 1.5px rgba(244,236,216,.25); }
.chip { min-width: 40px; min-height: 40px; border: 0; border-radius: 50%; background: rgba(20, 20, 28, .66); color: var(--paper); cursor: pointer; box-shadow: inset 0 0 0 1px rgba(244,236,216,.3); font-size: 1rem; }
.chip[aria-pressed="false"] { opacity: .45; text-decoration: line-through; }
.chip:focus-visible { outline: 2px solid var(--gold); }

/* top bar */
.topbar { position: fixed; z-index: 20; top: calc(var(--st) + 10px); left: calc(var(--sl) + 12px); right: calc(var(--sr) + 12px); display: flex; justify-content: space-between; align-items: center; pointer-events: none; }
.topbar > * { pointer-events: auto; }
.brand { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; color: var(--paper); font: 900 .92rem var(--display); letter-spacing: .12em; padding: 6px 12px; border-radius: 999px; background: rgba(20, 20, 28, .6); }
.brand .edition { color: var(--gold-2); font-weight: 700; }
.brand-fold { width: 14px; height: 14px; background: conic-gradient(from 45deg, var(--teal) 0 25%, var(--teal-2) 0 50%, var(--coral) 0 75%, var(--gold) 0); clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); }
.top-actions { display: flex; gap: 8px; }
body[data-screen="loading"] .topbar { display: none; }

/* screens */
.screen { position: fixed; inset: 0; z-index: 10; display: grid; place-items: end start; padding: calc(var(--st) + 64px) calc(var(--sr) + 16px) calc(var(--sb) + 18px) calc(var(--sl) + 16px); overflow-y: auto; pointer-events: none; }
.screen > * { pointer-events: auto; }
.intro-card { width: min(580px, 100%); padding: 22px 22px 18px; color: var(--ink); clip-path: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 0 100%);
  background: var(--paper) linear-gradient(135deg, rgba(255,255,255,.4), rgba(120,90,40,.06)); box-shadow: 0 30px 80px rgba(0,0,0,.45); position: relative; }
.intro-card::before { content: ''; position: absolute; top: 0; right: 0; width: 28px; height: 28px; background: linear-gradient(225deg, transparent 50%, var(--paper-2) 50%); box-shadow: -2px 2px 6px rgba(0,0,0,.15); }
.intro-card::after { content: ''; position: absolute; inset: auto 0 0 0; height: 6px; background: repeating-linear-gradient(90deg, var(--teal) 0 24px, var(--coral) 24px 48px, var(--gold) 48px 72px); }
.intro-card .eyebrow { color: #17675f; }
.intro-card h1 { margin: 0 0 .5rem; font: 900 clamp(2.4rem, 7vw, 3.8rem)/0.92 var(--display); letter-spacing: -.02em; color: var(--ink); text-transform: uppercase; }
.intro-card h1 em { color: var(--coral); font-style: normal; display: block; }
.intro-copy { margin: 0 0 .8rem; font: 1rem/1.45 var(--sans); color: var(--ink-2); }
.intro-card .label { color: var(--ink-2); margin: .2rem 0 .35rem; }
.papers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; margin-bottom: .45rem; }
.paper { display: grid; grid-template-columns: 24px 1fr; grid-template-rows: auto auto; gap: 0 8px; align-items: center; text-align: left; padding: 7px 8px; min-height: 52px; border: 0; border-radius: 4px; cursor: pointer; background: rgba(20, 20, 28, .06); box-shadow: inset 0 0 0 1px rgba(20,20,28,.14); color: var(--ink); }
.paper i { grid-row: span 2; width: 22px; height: 22px; background: conic-gradient(from 45deg, var(--light) 0 25%, var(--main) 0 50%, var(--dark) 0 75%, var(--main) 0); clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%); box-shadow: inset 0 -4px 0 var(--band); }
.paper span { font: 800 .86rem var(--display); }
.paper small { font-size: .66rem; line-height: 1.2; color: var(--ink-2); opacity: .9; }
.paper.is-on { background: var(--ink); color: var(--paper); box-shadow: inset 0 0 0 2px var(--gold); } .paper.is-on small { color: var(--mist); }
.paper.is-locked { opacity: .5; cursor: default; }
.paper:focus-visible, .world:focus-visible { outline: 2px solid var(--coral); }
.paper-perk { margin: 0 0 .7rem; font-size: .86rem; color: var(--ink-2); min-height: 1.2em; }
.worlds { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; margin-bottom: .9rem; }
.world { display: grid; justify-items: start; padding: 6px 8px; min-height: 46px; border: 0; border-radius: 4px; background: rgba(20,20,28,.06); box-shadow: inset 0 -3px 0 var(--accent), inset 0 0 0 1px rgba(20,20,28,.14); color: var(--ink); cursor: pointer; text-align: left; }
.world b { font: 900 .9rem var(--display); color: var(--accent); } .world span { font: 700 .72rem var(--display); }
.world.is-on { background: var(--ink); color: var(--paper); } .world.is-locked { opacity: .4; cursor: default; }
.intro-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.intro-card .btn:not(.primary) { color: var(--paper); background: var(--ink); }
.intro-card .btn.ghost { color: var(--ink); background: transparent; box-shadow: inset 0 0 0 1.5px rgba(20,20,28,.45); }
.intro-card .btn.ghost:hover, .intro-card .btn.ghost:focus-visible { background: rgba(47,181,168,.18); }
.intro-meta { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-top: .9rem; padding-bottom: 6px; font-size: .78rem; color: var(--ink-2); }
.intro-meta strong { color: #b8402a; font-family: var(--display); }

/* HUD */
.hud { position: fixed; z-index: 12; left: calc(var(--sl) + 12px); top: calc(var(--st) + 62px); display: grid; gap: 8px; width: min(300px, calc(100vw - 24px)); pointer-events: none; }
.hud-score { display: grid; grid-template-columns: 1fr auto; padding: 8px 12px; border-radius: 4px; background: rgba(18, 18, 24, .7); box-shadow: inset 0 0 0 1px rgba(242,193,78,.4); }
.hud-score .micro { grid-column: 1 / -1; }
.hud-score strong { font: 900 1.7rem/1.1 var(--display); color: var(--gold-2); font-variant-numeric: tabular-nums; }
.hud-ball { align-self: end; font-size: .8rem; color: var(--mist); }
.hud-world { display: grid; gap: 2px; padding: 8px 12px 9px; border-radius: 4px; background: rgba(244, 236, 216, .92); color: var(--ink); box-shadow: inset 4px 0 0 var(--accent, var(--coral)); }
.hud-world strong { font: 900 1rem var(--display); text-transform: uppercase; letter-spacing: .04em; }
.hud-world > span { font-size: .76rem; color: var(--ink-2); }
.world-track { display: flex; gap: 4px; align-items: center; margin-top: 3px; }
.world-track i { width: 16px; height: 10px; background: rgba(20,20,28,.15); clip-path: polygon(0 0, 100% 0, 85% 100%, 15% 100%); }
.world-track i.is-on { background: var(--accent, var(--coral)); }
.world-track i.is-open { background: var(--ink); animation: ft-blink .35s steps(2) infinite; }
.world-track em { font: 900 .62rem var(--display); letter-spacing: .1em; font-style: normal; color: rgba(20,20,28,.35); margin-left: 4px; }
.world-track em.is-on { color: var(--coral); animation: ft-blink .5s steps(2) infinite; }
@keyframes ft-blink { 50% { opacity: .35; } }
.meter { height: 7px; border-radius: 1px; background: rgba(244,236,216,.15); overflow: hidden; }
.meter i { display: block; height: 100%; background: linear-gradient(90deg, var(--teal), #7adcff); transform-origin: left; transform: scaleX(0); transition: transform .15s linear; }
.meter.is-thunder i { background: linear-gradient(90deg, #bfe8ff, #fff); box-shadow: 0 0 12px #bfe8ff; }
.hud-meters { display: grid; grid-template-columns: auto 1fr auto; gap: 4px 8px; align-items: center; font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--mist); padding: 0 4px; }
.coins { display: inline-flex; align-items: center; gap: 4px; } .coins::before { content: ''; width: 12px; height: 12px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, #fff2b0, #f2c14e 45%, #9a6a1a); }
.coins b { font: 900 .9rem var(--display); color: var(--gold-2); }
.hud-tags { font: 800 .72rem var(--display); color: var(--gold-2); letter-spacing: .08em; text-shadow: 0 1px 2px #000; padding: 0 4px; }

.toasts { position: fixed; z-index: 13; right: calc(var(--sr) + 14px); top: calc(var(--st) + 64px); display: grid; gap: 6px; justify-items: end; pointer-events: none; }
.toast { padding: 6px 12px; border-radius: 3px; background: rgba(18, 18, 24, .8); color: var(--paper); font: 750 .88rem var(--display); box-shadow: inset 0 0 0 1px rgba(244,236,216,.25); transition: opacity .5s, transform .5s; clip-path: var(--fold); }
.toast.big, .toast.combo, .toast.lock, .toast.gate { color: #2a1a04; background: linear-gradient(100deg, #d79a32, var(--gold-2)); }
.toast.jackpot { color: #fff; background: linear-gradient(100deg, #b8402a, var(--coral)); box-shadow: 0 0 22px rgba(255, 122, 92, .45); }
.toast.boss { background: var(--paper); color: var(--ink); }
.toast.warn { background: rgba(168, 53, 42, .92); }
.toast.is-gone { opacity: 0; transform: translateX(20px); }

.callout { position: fixed; z-index: 14; left: 50%; top: 30%; transform: translate(-50%, -50%); display: grid; justify-items: center; gap: 2px; text-align: center; pointer-events: none; width: min(92vw, 660px); }
.callout span { font: 800 .78rem var(--display); letter-spacing: .18em; text-transform: uppercase; color: var(--mist); text-shadow: 0 1px 3px #000; }
.callout strong { font: 900 clamp(2rem, 7vw, 3.8rem)/1 var(--display); text-transform: uppercase; color: var(--paper); -webkit-text-stroke: 1px rgba(20,20,28,.6); text-shadow: 3px 4px 0 var(--coral), 6px 8px 0 rgba(20,20,28,.5), 0 0 30px rgba(255, 200, 90, .4); }
.callout em { font: italic 600 1.02rem var(--sans); color: var(--paper); text-shadow: 0 1px 4px #000; }
.callout.is-in { animation: ft-callout 2.2s ease-out both; }
@keyframes ft-callout { 0% { opacity: 0; transform: translate(-50%, -50%) perspective(600px) rotateX(80deg); } 14% { opacity: 1; transform: translate(-50%, -50%) perspective(600px) rotateX(-8deg); } 22% { transform: translate(-50%, -50%) perspective(600px) rotateX(0); } 85% { opacity: 1; } 100% { opacity: 0; } }

/* a storybook page that unfolds in the corner */
.story { position: fixed; z-index: 14; right: calc(var(--sr) + 14px); bottom: calc(var(--sb) + 18px); width: min(340px, 46vw); margin: 0; padding: 8px 8px 10px; background: var(--paper); color: var(--ink); box-shadow: 0 18px 40px rgba(0,0,0,.45); pointer-events: none; transform-origin: left center; }
.story img { display: block; width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.story figcaption { font: italic 600 .86rem/1.35 var(--sans); margin-top: 6px; }
.story.is-in { animation: ft-story 4.2s ease-out both; }
@keyframes ft-story { 0% { opacity: 0; transform: perspective(800px) rotateY(90deg); } 12% { opacity: 1; transform: perspective(800px) rotateY(-6deg); } 18% { transform: perspective(800px) rotateY(0); } 88% { opacity: 1; transform: none; } 100% { opacity: 0; transform: perspective(800px) rotateY(-60deg); } }

.bonus { position: fixed; z-index: 15; left: 50%; top: 46%; transform: translate(-50%, -50%); width: min(380px, calc(100vw - 24px)); padding: 16px 18px; background: rgba(18, 18, 24, .94); box-shadow: inset 0 0 0 1.5px var(--gold); clip-path: var(--fold); }
#bonus-list { list-style: none; margin: 0 0 .6rem; padding: 0; display: grid; gap: 4px; }
#bonus-list li { display: flex; justify-content: space-between; font: 600 1rem var(--display); animation: ft-in .3s ease-out both; }
#bonus-list b { color: var(--gold-2); }
.bonus-total { margin: 0; text-align: right; font: 800 1.2rem var(--display); } .bonus-total strong { color: var(--gold-2); font-size: 1.5rem; }
@keyframes ft-in { from { opacity: 0; transform: translateX(-10px); } }

/* touch pads */
.controls { position: fixed; z-index: 16; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: 1fr minmax(96px, 22vw) 1fr; gap: 8px; padding: 8px calc(var(--sr) + 8px) calc(var(--sb) + 8px) calc(var(--sl) + 8px); pointer-events: none; }
.pad { pointer-events: auto; min-height: 84px; border: 0; border-radius: 6px; background: rgba(18, 18, 24, .28); color: var(--paper); display: grid; place-items: center; align-content: center; gap: 2px; font: 800 1.4rem var(--display); touch-action: none; box-shadow: inset 0 0 0 1px rgba(244,236,216,.14); opacity: .55; transition: opacity .2s, background .1s; }
.pad kbd { font: 600 .62rem var(--sans); letter-spacing: .12em; opacity: .75; }
.pad.is-down { background: rgba(255, 122, 92, .35); opacity: .9; }
.pad-c b { font: 800 .8rem var(--display); letter-spacing: .14em; }
.pad .charge { width: 70%; height: 5px; border-radius: 3px; background: rgba(244,236,216,.2); overflow: hidden; }
.pad .charge i { display: block; height: 100%; background: var(--coral); transform-origin: left; transform: scaleX(0); }
@media (pointer: fine) { .controls { opacity: 0; pointer-events: none; } .controls .pad { pointer-events: none; } }

/* the modal: a sheet of paper with a folded corner */
.modal { position: fixed; inset: 0; z-index: 30; display: grid; place-items: center; padding: calc(var(--st) + 16px) 16px calc(var(--sb) + 16px); background: rgba(10, 10, 16, .55); overflow-y: auto; }
.sheet { position: relative; width: min(660px, 100%); max-height: calc(100dvh - 32px); overflow-y: auto; padding: 22px 24px 20px; color: var(--ink);
  background: var(--paper) linear-gradient(135deg, rgba(255,255,255,.4), rgba(120,90,40,.06)); clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%); box-shadow: 0 30px 80px rgba(0,0,0,.45); }
.modal.is-wide .sheet { width: min(980px, 100%); }
.sheet h2 { margin: 0 0 .7rem; font: 900 clamp(1.6rem, 4vw, 2.3rem)/1.05 var(--display); text-transform: uppercase; }
.sheet .eyebrow { color: #17675f; }
.sheet p, .sheet li { font: 1rem/1.45 var(--sans); }
.sheet .btn { color: var(--paper); }
.sheet .btn.primary { color: #2a0e08; }
.close { position: absolute; top: 8px; right: 30px; width: 40px; height: 40px; border: 0; border-radius: 50%; background: transparent; color: var(--ink); font-size: 1.6rem; cursor: pointer; }
.menu.row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 1rem; }
.rules { padding-left: 1.1rem; margin: 0; display: grid; gap: .5rem; }
.settings { display: grid; gap: .5rem; }
.check, .range { display: flex; align-items: center; gap: .6rem; font: 1rem var(--sans); min-height: 32px; }
.check input { width: 20px; height: 20px; accent-color: var(--teal); }
.range input { flex: 1; accent-color: var(--teal); }
.book { list-style: none; padding: 0; margin: .4rem 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; }
.book button { display: grid; gap: 6px; width: 100%; padding: 6px 6px 8px; border: 0; background: #fff; color: var(--ink); text-align: left; cursor: pointer; box-shadow: 0 4px 12px rgba(0,0,0,.15); transition: transform .15s; }
.book button:hover:not(:disabled), .book button:focus-visible { transform: rotate(-1deg) translateY(-2px); outline: 2px solid var(--coral); }
.book img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; display: block; }
.book span { font: 600 .74rem/1.3 var(--sans); }
.book li.is-locked button { cursor: default; background: repeating-linear-gradient(135deg, var(--paper-2) 0 12px, var(--paper) 12px 24px); }
.book li.is-locked i { display: grid; place-items: center; aspect-ratio: 16 / 9; font: 900 2rem var(--display); color: rgba(20,20,28,.25); font-style: normal; }
.page { margin: 0; } .page img { width: 100%; display: block; } .page figcaption { font: italic 600 1.1rem/1.4 var(--sans); margin-top: .6rem; }
.results-line { font-size: 1.05rem; }
.results-best { color: var(--ink-2); }

body[data-screen="inspect"] .intro, body[data-screen="inspect"] .hud { display: none; }
#inspect-back { position: fixed; z-index: 20; left: 50%; bottom: calc(var(--sb) + 20px); transform: translateX(-50%); }

@media (max-width: 640px) {
  .screen { place-items: end center; padding-top: calc(var(--st) + 56px); }
  .intro-card { padding: 16px; }
  .papers { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .worlds { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hud { top: calc(var(--st) + 56px); width: min(240px, 62vw); }
  .hud-score strong { font-size: 1.35rem; }
  .toasts { top: auto; bottom: calc(var(--sb) + 104px); }
  .story { width: min(260px, 70vw); bottom: calc(var(--sb) + 104px); }
  .brand { font-size: .78rem; }
}
@media (prefers-reduced-motion: reduce) { .callout.is-in, .story.is-in, .ft-boot .tl-field .loop, .ft-boot .tl-field .bumper .cap, .world-track i.is-open, .world-track em.is-on { animation: none; } }

/* the way back to TiltLab, on the title card */
a.btn { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; }

/* the Feel button makes four in the top bar: on a phone the edition number gives way */
@media (max-width: 440px) { .brand .edition { display: none; } .brand { white-space: nowrap; } }
@media (max-width: 380px) { .top-actions { gap: 5px; } .top-actions .chip { min-width: 36px; min-height: 36px; font-size: .9rem; } .brand { padding: 4px 10px; } }