/* ==========================================================================
   Deadlock Dinner — "Trattoria Press"
   A warm risograph / editorial-print aesthetic: cream paper, espresso ink,
   a pasta-house palette (tomato · basil · parmesan · denim) and hard
   offset "misregistration" shadows.
   ========================================================================== */

:root {
  /* paper & ink */
  --paper:       #f3e8d2;
  --paper-2:     #efe1c6;
  --card:        #fbf5e8;
  --ink:         #241a13;
  --ink-soft:    #6c5d4c;
  --ink-faint:   #a08f78;

  /* pasta-house spot colours */
  --tomato:      #e1492c;
  --tomato-deep: #bb3318;
  --pine:        #1d7a55;
  --saffron:     #e6a019;
  --denim:       #2f6cae;
  --plum:        #7b4a8c;

  /* philosopher state colours (distinct, all legible on cream) */
  --c-think:     #2f6cae;   /* denim   */
  --c-hungry:    #d9941a;   /* saffron */
  --c-wait:      #dd6a2c;   /* burnt orange */
  --c-eat:       #1d7a55;   /* basil   */
  --c-deadlock:  #e1492c;   /* tomato  */

  --font-display: 'Bricolage Grotesque', system-ui, sans-serif;
  --font-ui:      'Schibsted Grotesk', system-ui, sans-serif;
  --font-serif:   'Newsreader', Georgia, serif;
  --font-mono:    'Space Mono', ui-monospace, monospace;

  --radius:      16px;
  --radius-sm:   11px;
  --hard:        4px 4px 0 var(--ink);
  --hard-sm:     3px 3px 0 var(--ink);
  --hard-lg:     6px 6px 0 var(--ink);
  --maxw:        1340px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-ui);
  color: var(--ink);
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 12% 8%,  rgba(225,73,44,0.06), transparent 30%),
    radial-gradient(circle at 88% 4%,  rgba(47,108,174,0.06), transparent 28%),
    radial-gradient(circle at 75% 96%, rgba(29,122,85,0.06), transparent 30%);
  min-height: 100vh;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* paper grain */
.grain {
  position: fixed; inset: 0; z-index: 9999; pointer-events: none;
  opacity: 0.5; mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.06'/%3E%3C/svg%3E");
}

::selection { background: var(--saffron); color: var(--ink); }

a { color: var(--tomato-deep); }

/* ==================== header ==================== */
.site-header {
  display: flex; align-items: center; gap: 1.5rem;
  max-width: var(--maxw); margin: 0 auto;
  padding: 1.3rem clamp(1rem, 3vw, 2.4rem) 0.6rem;
  flex-wrap: wrap;
  animation: rise .6s cubic-bezier(.2,.8,.2,1) both;
}
.brand { display: flex; align-items: center; gap: .8rem; margin-right: auto; cursor: pointer; }
.brand__mark {
  font-size: 1.9rem; line-height: 1; width: 52px; height: 52px;
  display: grid; place-items: center; border-radius: 50%;
  background: var(--card); border: 2.5px solid var(--ink); box-shadow: var(--hard-sm);
  transform: rotate(-4deg); transition: transform .25s;
}
.brand:hover .brand__mark { transform: rotate(6deg) scale(1.05); }
.brand__title {
  font-family: var(--font-display);
  font-weight: 800; font-size: clamp(1.5rem, 3.2vw, 2rem);
  letter-spacing: -0.025em; margin: 0; line-height: .95; color: var(--ink);
}
.brand__title em { color: var(--tomato); font-style: normal; }
.brand__sub { margin: .1rem 0 0; color: var(--ink-soft); font-size: .9rem;
  font-family: var(--font-serif); font-style: italic; }

.tabs { display: flex; gap: .3rem; background: var(--card);
  padding: .3rem; border-radius: 999px; border: 2px solid var(--ink); box-shadow: var(--hard-sm); }
.tab {
  font-family: var(--font-ui); font-size: .95rem; font-weight: 700;
  color: var(--ink-soft); background: transparent; border: 0; cursor: pointer;
  padding: .5rem 1rem; border-radius: 999px; display: flex; align-items: center; gap: .45rem;
  transition: color .18s, background .18s; white-space: nowrap;
}
.tab span { display: none; }
@media (min-width: 600px) { .tab span { display: inline; } }
.tab:hover { color: var(--ink); }
.tab.is-active { color: var(--paper); background: var(--ink); }

.status-pill {
  font-family: var(--font-mono); font-size: .76rem; font-weight: 700;
  padding: .45rem .8rem; border-radius: 999px; border: 2px solid var(--ink);
  background: var(--card); white-space: nowrap; box-shadow: var(--hard-sm);
}
.status-pill[data-state="running"]  { background: var(--c-eat); color: var(--paper); }
.status-pill[data-state="paused"]   { color: var(--ink-soft); }
.status-pill[data-state="deadlock"] { background: var(--tomato); color: var(--paper); animation: wobble .4s ease infinite; }

/* ==================== panels ==================== */
.site-main { max-width: var(--maxw); margin: 0 auto; padding: 1rem clamp(1rem,3vw,2.4rem) 2rem; }
.panel { display: none; animation: fade .4s ease both; }
.panel.is-active { display: block; }

/* ==================== HOME / LANDING ==================== */
.home { max-width: 1080px; margin: 0 auto; }
.home__hero {
  text-align: center; padding: 1.5rem 0 2.2rem; position: relative;
}
.home__eyebrow {
  display: inline-block; font-family: var(--font-mono); font-size: .78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .18em; color: var(--tomato-deep);
  background: var(--card); border: 2px solid var(--ink); border-radius: 999px;
  padding: .35rem .9rem; box-shadow: var(--hard-sm); transform: rotate(-1.5deg); margin-bottom: 1.2rem;
}
.home__title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.6rem, 8vw, 5.2rem); line-height: .92; letter-spacing: -0.035em;
  margin: 0 0 1rem; color: var(--ink);
}
.home__title .l1 { display: block; }
.home__title .l2 { display: block; color: var(--tomato); }
.home__deck {
  font-family: var(--font-serif); font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  color: var(--ink-soft); max-width: 640px; margin: 0 auto 2rem; font-style: italic;
}
.home__cta {
  display: inline-flex; align-items: center; gap: .6rem;
  font-family: var(--font-display); font-weight: 800; font-size: 1.2rem;
  color: var(--paper); background: var(--tomato);
  border: 2.5px solid var(--ink); border-radius: 999px; box-shadow: var(--hard-lg);
  padding: .9rem 1.9rem; cursor: pointer; transition: transform .14s, box-shadow .14s;
}
.home__cta:hover { transform: translate(-2px,-2px); box-shadow: 8px 8px 0 var(--ink); }
.home__cta:active { transform: translate(3px,3px); box-shadow: 2px 2px 0 var(--ink); }
.home__cta .arr { transition: transform .2s; }
.home__cta:hover .arr { transform: translateX(4px); }
.home__cta-note { display: block; margin-top: .8rem; font-size: .85rem; color: var(--ink-faint); font-family: var(--font-mono); }

/* decorative plate ring behind hero */
.home__plate {
  width: clamp(150px, 26vw, 240px); aspect-ratio: 1; margin: 0 auto 1.4rem;
  border-radius: 50%; background: var(--card);
  border: 3px solid var(--ink); box-shadow: var(--hard-lg);
  display: grid; place-items: center; position: relative;
}
.home__plate::before { content:''; position:absolute; inset: 14px; border-radius:50%; border: 2px dashed var(--tomato); opacity: .6; }
.home__plate-emoji { font-size: clamp(3rem, 7vw, 5rem); animation: bob 5s ease-in-out infinite; }

.section-head { text-align: center; margin: 2.6rem 0 1.4rem; }
.section-head h2 { font-family: var(--font-display); font-weight: 800; font-size: clamp(1.6rem,4vw,2.3rem);
  letter-spacing: -.02em; margin: 0; }
.section-head h2 .u { background: linear-gradient(transparent 62%, var(--saffron) 62%); padding: 0 .1em; }
.section-head p { color: var(--ink-soft); font-family: var(--font-serif); font-style: italic; margin: .4rem 0 0; }

/* ==================== concept cards (learn) ==================== */
.learn__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px,1fr)); gap: 1.1rem; }
.concept {
  background: var(--card); border: 2.5px solid var(--ink); border-radius: var(--radius);
  padding: 1.4rem; box-shadow: var(--hard); transition: transform .18s, box-shadow .18s;
  position: relative;
}
.concept:hover { transform: translate(-2px,-2px); box-shadow: var(--hard-lg); }
.concept--danger { background: #fbeee9; }
.concept--safe   { background: #eef6f0; }
.concept__emoji { font-size: 2rem; display: grid; place-items: center; width: 56px; height: 56px;
  border-radius: 14px; border: 2.5px solid var(--ink); background: var(--paper); box-shadow: var(--hard-sm);
  margin-bottom: .9rem; transform: rotate(-3deg); }
.concept h3 { font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; margin: 0 0 .5rem; letter-spacing: -.01em; }
.concept h3 em { color: var(--tomato); font-style: normal; }
.concept__kid { margin: 0 0 .8rem; font-size: 1rem; font-family: var(--font-serif); color: var(--ink); }
.concept__tech { margin: 0; font-size: .82rem; color: var(--ink-soft); padding-top: .7rem;
  border-top: 2px dotted var(--ink-faint); font-family: var(--font-ui); }
.concept code, .learn__try code, .explain__tech code, .concept__tech code {
  font-family: var(--font-mono); font-size: .82em; background: var(--ink); color: var(--paper);
  padding: 1px 5px; border-radius: 5px; }

.learn__try { margin: 2.4rem 0 1rem; background: var(--ink); color: var(--paper);
  border-radius: var(--radius); padding: 1.6rem 1.8rem; box-shadow: var(--hard-lg); }
.learn__try h3 { font-family: var(--font-display); margin: 0 0 .8rem; font-size: 1.5rem; color: var(--saffron); }
.learn__try ol { margin: 0; padding-left: 1.3rem; display: flex; flex-direction: column; gap: .6rem; font-family: var(--font-serif); font-size: 1.02rem; }
.learn__try ol::marker { color: var(--saffron); }
.learn__try b { color: var(--saffron); font-family: var(--font-ui); }
.learn__try code { background: var(--paper); color: var(--ink); }

.home__foot-cta { text-align: center; margin: 2.4rem 0 1rem; }

/* ==================== sim layout ==================== */
.sim-layout {
  display: grid; gap: 1.2rem; align-items: start;
  grid-template-columns: minmax(244px, 0.92fr) minmax(0, 1.5fr) minmax(280px, 0.96fr);
}
.sim-left, .sim-right { display: flex; flex-direction: column; gap: 1rem; }
.sim-center { display: flex; flex-direction: column; gap: 1rem; min-width: 0; }
.sim-left   { animation: rise .55s .05s cubic-bezier(.2,.8,.2,1) both; }
.sim-center { animation: rise .55s 0s cubic-bezier(.2,.8,.2,1) both; }
.sim-right  { animation: rise .55s .1s cubic-bezier(.2,.8,.2,1) both; }

/* tablet: table on top (full width), rule + controls side-by-side below */
@media (max-width: 1180px) {
  .sim-layout { grid-template-columns: 1fr 1fr; }
  .sim-center { grid-column: 1 / -1; order: -1; }
}
/* phone: single column, table first */
@media (max-width: 760px) {
  .sim-layout { grid-template-columns: 1fr; }
  .sim-center { order: -1; }
}

/* sim toolbar (back + help button) */
.sim-toolbar { display: flex; align-items: center; justify-content: space-between; gap: .8rem; flex-wrap: wrap; }
.sim-toolbar__back { font-family: var(--font-ui); font-weight: 700; font-size: .9rem; color: var(--ink-soft);
  background: none; border: 0; cursor: pointer; display: inline-flex; align-items: center; gap: .35rem; padding: .2rem; }
.sim-toolbar__back:hover { color: var(--tomato-deep); }

/* ---- objective bar (the goal, always visible) ---- */
.objective { display: flex; align-items: center; gap: .7rem; flex-wrap: wrap;
  padding: .65rem .9rem; border-radius: var(--radius);
  background: var(--card); border: 2.5px solid var(--ink); box-shadow: var(--hard);
  border-left-width: 9px; transition: border-color .3s, background .3s; }
.objective__badge { font-family: var(--font-mono); font-size: .6rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em; color: var(--paper); background: var(--ink);
  padding: .28rem .6rem; border-radius: 999px; white-space: nowrap; flex: 0 0 auto; }
.objective__text { font-family: var(--font-serif); font-size: 1.02rem; color: var(--ink); flex: 1 1 200px; min-width: 0; }
.objective__text b { font-family: var(--font-ui); font-weight: 700; }
.objective__progress { font-family: var(--font-mono); font-size: .7rem; font-weight: 700;
  color: var(--ink-soft); white-space: nowrap; flex: 0 0 auto; }
.objective[data-kind="problem"] { border-left-color: var(--tomato); }
.objective[data-kind="jammed"]  { border-left-color: var(--tomato); background: #fbeee9; }
.objective[data-kind="jammed"] .objective__badge { background: var(--tomato); }
.objective[data-kind="fix"]     { border-left-color: var(--denim); }
.objective[data-kind="fix"] .objective__badge { background: var(--denim); }
.objective[data-kind="proven"]  { border-left-color: var(--pine); background: #eef6f0; }
.objective[data-kind="proven"] .objective__badge { background: var(--pine); }

/* ---- narrator ---- */
.narrator {
  display: flex; align-items: center; gap: .75rem;
  padding: .9rem 1.1rem; border-radius: var(--radius);
  background: var(--card); border: 2.5px solid var(--ink); box-shadow: var(--hard);
  font-family: var(--font-serif); font-size: 1.08rem; min-height: 58px;
}
.narrator__icon { font-size: 1.3rem; width: 38px; height: 38px; display: grid; place-items: center;
  border-radius: 10px; border: 2px solid var(--ink); background: var(--paper); flex: 0 0 auto; }
.narrator--pulse { animation: narratorPop .4s ease; }
.narrator--info     { border-left-width: 8px; border-left-color: var(--denim); }
.narrator--hungry   { border-left-width: 8px; border-left-color: var(--c-hungry); }
.narrator--grab,
.narrator--seat     { border-left-width: 8px; border-left-color: var(--c-wait); }
.narrator--eat,
.narrator--done,
.narrator--resolve  { border-left-width: 8px; border-left-color: var(--c-eat); }
.narrator--warn     { border-left-width: 8px; border-left-color: var(--saffron); }
.narrator--deadlock { border-left-width: 8px; border-left-color: var(--tomato); background: #fbeee9; }

/* ==================== stage ==================== */
.stage { position: relative; width: 100%; aspect-ratio: 1 / 1; max-width: 660px; margin: .4rem auto 0; }
.stage__svg { width: 100%; height: 100%; overflow: visible; display: block; }
.stage__phils { position: absolute; inset: 0; pointer-events: none; }
.stage__hint { position: absolute; bottom: -.4rem; left: 50%; transform: translateX(-50%);
  margin: 0; font-size: .82rem; color: var(--ink-soft); text-align: center; font-family: var(--font-mono); }

/* svg pieces */
.candle-glow { opacity: .8; }
.table-fill  { filter: drop-shadow(5px 6px 0 rgba(36,26,19,0.9)); }
.table-ring  { stroke: var(--ink); stroke-width: 3; }
.table-ring-inner { stroke: var(--tomato); stroke-width: 2; stroke-dasharray: 2 9; opacity: .7; }
.bowl-line { stroke: var(--ink); stroke-width: 2.4; fill: none; stroke-linecap: round; }
.plate { fill: var(--paper); stroke: var(--ink); stroke-width: 2; }

.fork-group { transition: transform .5s cubic-bezier(.34,1.1,.4,1); }
.fork-glyph > * { fill: var(--ink); transition: fill .3s; stroke: var(--ink); stroke-width: .4; }
.fork-group--held .fork-glyph > * { fill: var(--fork-color, var(--saffron)); stroke: var(--ink); stroke-width: 1; }
.fork-group--held { filter: drop-shadow(2.5px 2.5px 0 var(--ink)); }

/* deadlock arrows */
.dl-arrow { stroke: var(--tomato); stroke-width: 4; opacity: 1; stroke-linecap: round;
  stroke-dasharray: 10 9; animation: march .7s linear infinite; }
.dl-arrow-head { stroke: var(--tomato); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; }
.stage__svg.is-deadlock .table-ring { stroke: var(--tomato); stroke-width: 5; }

/* ---- philosopher cards ---- */
.phil { position: absolute; transform: translate(-50%, -50%);
  width: 108px; display: flex; flex-direction: column; align-items: center; gap: 2px;
  pointer-events: auto; cursor: pointer; text-align: center; }
.phil__avatar {
  position: relative; width: 66px; height: 66px; border-radius: 50%;
  display: grid; place-items: center; background: var(--card);
  border: 2.5px solid var(--ink); box-shadow: var(--hard-sm);
  transition: transform .2s, box-shadow .25s;
}
.phil:hover .phil__avatar { transform: translate(-1px,-1px); box-shadow: var(--hard); }
.phil:active .phil__avatar { transform: translate(2px,2px); box-shadow: 1px 1px 0 var(--ink); }
.phil__ring { position: absolute; inset: -6px; border-radius: 50%; border: 3px solid transparent; transition: border-color .25s; }
.phil__face { font-size: 2rem; line-height: 1; }
.phil__id { position: absolute; bottom: -4px; right: -6px;
  font-family: var(--font-mono); font-size: .6rem; font-weight: 700;
  background: var(--ink); color: var(--paper); border-radius: 999px; padding: 1px 5px; }
.phil__name { font-family: var(--font-display); font-size: .9rem; font-weight: 800; margin-top: 4px; letter-spacing: -.01em; }
.phil__chip { display: inline-flex; align-items: center; gap: 4px;
  font-family: var(--font-mono); font-size: .62rem; font-weight: 700; text-transform: uppercase; letter-spacing: .03em;
  color: var(--paper); padding: 1px 7px; border-radius: 999px; background: var(--ink-soft); }
.phil__chip-dot { display: none; }
.phil__bubble { position: absolute; bottom: calc(100% - 2px); left: 50%;
  transform: translateX(-50%) translateY(6px) scale(.9);
  background: var(--ink); color: var(--paper); font-family: var(--font-mono); font-size: .68rem; font-weight: 700;
  padding: 4px 9px; border-radius: 9px; white-space: nowrap; box-shadow: var(--hard-sm);
  opacity: 0; transition: opacity .22s, transform .22s; pointer-events: none; }
.phil__bubble::after { content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  border: 5px solid transparent; border-top-color: var(--ink); }
.phil__bubble.is-shown { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
.phil__meals { display: flex; gap: 3px; margin-top: 3px; min-height: 8px; flex-wrap: wrap; justify-content: center; max-width: 84px; }
.phil__meals .pip { width: 7px; height: 7px; border-radius: 50%; background: var(--c-eat); border: 1.5px solid var(--ink); }

/* per-state colouring */
.phil--thinking { color: var(--c-think); }
.phil--thinking .phil__ring { border-color: var(--c-think); }
.phil--thinking .phil__chip { background: var(--c-think); }
.phil--hungry { color: var(--c-hungry); }
.phil--hungry .phil__ring { border-color: var(--c-hungry); animation: ringPulse 1.1s infinite; }
.phil--hungry .phil__chip { background: var(--c-hungry); }
.phil--waiting { color: var(--c-wait); }
.phil--waiting .phil__ring { border-color: var(--c-wait); }
.phil--waiting .phil__chip { background: var(--c-wait); }
.phil--eating { color: var(--c-eat); }
.phil--eating .phil__avatar { box-shadow: 3px 3px 0 var(--c-eat); border-color: var(--c-eat); }
.phil--eating .phil__ring { border-color: var(--c-eat); animation: ringSpin 2.6s linear infinite; border-top-color: transparent; }
.phil--eating .phil__chip { background: var(--c-eat); }
.phil--deadlock { animation: shake .5s; }
.phil--deadlock .phil__ring { border-color: var(--tomato); animation: ringPulse .7s infinite; }
.phil--deadlock .phil__avatar { border-color: var(--tomato); box-shadow: 3px 3px 0 var(--tomato); }
.phil--deadlock .phil__chip { background: var(--tomato); }

/* ---- legend ---- */
.legend { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem 1rem; justify-content: center; padding: .8rem 0 0; margin: 0; }
.legend__item { display: flex; align-items: center; gap: .4rem; font-size: .82rem; color: var(--ink-soft); font-weight: 600; }
.legend__dot { width: 13px; height: 13px; border-radius: 50%; border: 2px solid var(--ink); }
.legend__dot--thinking { background: var(--c-think); }
.legend__dot--hungry   { background: var(--c-hungry); }
.legend__dot--waiting  { background: var(--c-wait); }
.legend__dot--eating   { background: var(--c-eat); }
.legend__dot--deadlock { background: var(--c-deadlock); }

/* ==================== cards / rail ==================== */
.card { background: var(--card); border: 2.5px solid var(--ink); border-radius: var(--radius);
  padding: 1.05rem 1.1rem; box-shadow: var(--hard); }
.card__title { font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; margin: 0 0 .15rem; letter-spacing: -.01em; }
.card__hint { margin: 0 0 .7rem; color: var(--ink-soft); font-size: .86rem; font-family: var(--font-serif); font-style: italic; }

/* strategy cards */
.strat-cards { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.strat-card { display: flex; flex-direction: column; align-items: flex-start; gap: .15rem;
  background: var(--paper); border: 2px solid var(--ink); border-radius: var(--radius-sm);
  padding: .65rem .7rem; cursor: pointer; font-family: var(--font-ui); color: var(--ink);
  transition: transform .14s, box-shadow .18s, background .2s; text-align: left; box-shadow: var(--hard-sm); }
.strat-card:hover { transform: translate(-1px,-1px); box-shadow: var(--hard); }
.strat-card.is-active { background: var(--saffron); }
.strat-card__emoji { font-size: 1.4rem; }
.strat-card__name { font-family: var(--font-display); font-weight: 800; font-size: .95rem; }
.strat-card__tag { font-family: var(--font-mono); font-size: .58rem; font-weight: 700; text-transform: uppercase; letter-spacing: .03em;
  padding: 1px 6px; border-radius: 999px; border: 1.5px solid var(--ink); }
.strat-card__tag.danger { color: var(--paper); background: var(--tomato); }
.strat-card__tag.safe   { color: var(--paper); background: var(--pine); }

/* problem / fix groups (the game arc, in the rule picker) */
.strat-group + .strat-group { margin-top: .9rem; }
.strat-group__label { display: flex; align-items: center; gap: .45rem; margin-bottom: .5rem;
  font-family: var(--font-mono); font-size: .68rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .07em; color: var(--ink-soft); }
.strat-group__no { display: grid; place-items: center; width: 19px; height: 19px; flex: 0 0 auto;
  border-radius: 50%; background: var(--ink); color: var(--paper); font-size: .64rem; }
.strat-group__count { margin-left: auto; color: var(--pine); font-size: .72rem; }

/* vertical "level rail" layout for the fixes */
.strat-cards--list { grid-template-columns: 1fr; gap: .45rem; }
.strat-cards--list .strat-card { flex-direction: row; align-items: center; gap: .55rem; padding: .55rem .7rem; }
.strat-cards--list .strat-card__name { flex: 1 1 auto; }
.strat-card__check { display: none; flex: 0 0 auto; width: 21px; height: 21px; border-radius: 50%;
  background: var(--pine); color: var(--paper); place-items: center; font-size: .74rem; font-weight: 800;
  border: 2px solid var(--ink); box-shadow: var(--hard-sm); }
.strat-card.is-proven { background: #eef6f0; }
.strat-card.is-proven.is-active { background: var(--saffron); }
.strat-card.is-proven .strat-card__check { display: grid; }
.strat-card.is-proven .strat-card__tag.safe { background: var(--ink-soft); }

/* the demoted "jam it for me" shortcut reads quieter than the hands-on path */
.btn--shortcut { flex: 0 0 auto; font-size: .82rem; padding: .5rem .8rem; opacity: .9; }

/* explainer */
.explain__head { display: flex; align-items: center; justify-content: space-between; gap: .6rem; margin-bottom: .5rem; }
.explain__title { font-family: var(--font-display); font-size: 1.05rem; font-weight: 800; margin: 0; }
.explain__badge { font-family: var(--font-mono); font-size: .62rem; font-weight: 700; text-transform: uppercase; letter-spacing: .03em;
  padding: 2px 8px; border-radius: 999px; white-space: nowrap; border: 1.5px solid var(--ink); color: var(--paper); }
.explain__badge[data-safe="true"]  { background: var(--pine); }
.explain__badge[data-safe="false"] { background: var(--tomato); }
.explain__kid { margin: 0 0 .5rem; font-size: .98rem; font-family: var(--font-serif); color: var(--ink); }
.explain__more summary { cursor: pointer; color: var(--denim); font-size: .85rem; font-weight: 700; font-family: var(--font-mono); }
.explain__tech { margin: .5rem 0 0; font-size: .85rem; color: var(--ink-soft); }
.readout { margin-top: .8rem; padding: .6rem .8rem; border-radius: var(--radius-sm);
  background: var(--paper); border: 2px dashed var(--ink); font-size: .9rem; font-family: var(--font-mono); }

/* buttons */
.controls { display: flex; gap: .5rem; }
.controls + .controls { margin-top: .6rem; }
.btn { flex: 1; display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  font-family: var(--font-display); font-weight: 800; font-size: .95rem; color: var(--ink);
  background: var(--card); border: 2.5px solid var(--ink); border-radius: var(--radius-sm);
  padding: .6rem .7rem; cursor: pointer; box-shadow: var(--hard-sm);
  transition: transform .12s, box-shadow .15s, background .2s; }
.btn:hover { transform: translate(-1px,-1px); box-shadow: var(--hard); }
.btn:active { transform: translate(2px,2px); box-shadow: 1px 1px 0 var(--ink); }
.btn:disabled { opacity: .42; cursor: not-allowed; transform: none; box-shadow: var(--hard-sm); }
.btn__icon { font-size: .95rem; }
.btn--primary { color: var(--paper); background: var(--tomato); }
.btn--primary.is-playing { color: var(--paper); background: var(--ink); }
.btn--ghost-danger { color: var(--paper); background: var(--tomato-deep); }
.btn--ghost-safe { color: var(--paper); background: var(--pine); }
.btn--small { flex: 0 0 auto; padding: .42rem .9rem; font-size: .82rem; font-family: var(--font-ui); }
.btn.is-ok { background: var(--pine); color: var(--paper); }

/* round help button */
.help-btn { width: 38px; height: 38px; flex: 0 0 auto; border-radius: 50%; border: 2.5px solid var(--ink);
  background: var(--saffron); color: var(--ink); font-family: var(--font-display); font-weight: 800; font-size: 1.1rem;
  cursor: pointer; box-shadow: var(--hard-sm); transition: transform .12s, box-shadow .15s; display: grid; place-items: center; }
.help-btn:hover { transform: translate(-1px,-1px) rotate(-6deg); box-shadow: var(--hard); }

/* sliders */
.sliders { display: flex; flex-direction: column; gap: .9rem; }
.slider { display: flex; flex-direction: column; gap: .35rem; }
.slider__label { font-size: .85rem; color: var(--ink-soft); display: flex; justify-content: space-between; font-weight: 600; }
.slider__label b { color: var(--tomato-deep); font-family: var(--font-mono); }
input[type="range"] { -webkit-appearance: none; appearance: none; height: 10px; border-radius: 999px;
  background: transparent; outline: none; cursor: pointer; --p: 50%; border: 0; }
input[type="range"]::-webkit-slider-runnable-track { height: 10px; border-radius: 999px; border: 2px solid var(--ink);
  background: linear-gradient(90deg, var(--tomato) var(--p), var(--paper) var(--p)); }
input[type="range"]::-moz-range-track { height: 10px; border-radius: 999px; border: 2px solid var(--ink);
  background: linear-gradient(90deg, var(--tomato) var(--p), var(--paper) var(--p)); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; margin-top: -7px;
  border-radius: 50%; background: var(--card); border: 2.5px solid var(--ink); box-shadow: var(--hard-sm); transition: transform .12s; }
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.12); }
input[type="range"]::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--card); border: 2.5px solid var(--ink); }

/* toggle */
.toggle { display: flex; align-items: center; gap: .6rem; cursor: pointer; font-size: .88rem; font-weight: 600; }
.toggle input { position: absolute; opacity: 0; }
.toggle__track { width: 44px; height: 24px; border-radius: 999px; background: var(--paper);
  border: 2.5px solid var(--ink); position: relative; flex: 0 0 auto; transition: background .2s; }
.toggle__thumb { position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--ink); transition: transform .2s, background .2s; }
.toggle input:checked + .toggle__track { background: var(--saffron); }
.toggle input:checked + .toggle__track .toggle__thumb { transform: translateX(20px); }
.toggle__label small { color: var(--ink-faint); font-family: var(--font-serif); font-style: italic; }

/* stats */
.stats { display: grid; grid-template-columns: repeat(3,1fr); gap: .5rem; text-align: center; }
.stat { display: flex; flex-direction: column; padding: .55rem 0; border-radius: var(--radius-sm);
  background: var(--paper); border: 2px solid var(--ink); }
.stat__num { font-family: var(--font-display); font-weight: 800; font-size: 1.8rem; line-height: 1; color: var(--ink); }
.stat__num--danger { color: var(--tomato); }
.stat__lbl { font-size: .68rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .05em; margin-top: .25rem; font-family: var(--font-mono); font-weight: 700; }

/* meal bars */
.meal-bars { display: flex; flex-direction: column; gap: .45rem; }
.mealbar { display: grid; grid-template-columns: 72px 1fr 22px; align-items: center; gap: .55rem; font-size: .82rem; }
.mealbar__name { color: var(--ink-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 600; }
.mealbar__track { height: 12px; border-radius: 999px; background: var(--paper); overflow: hidden; border: 2px solid var(--ink); }
.mealbar__fill { display: block; height: 100%; background: var(--c-eat); transition: width .4s ease, background .3s; }
.mealbar__fill--thinking { background: var(--c-think); }
.mealbar__fill--hungry { background: var(--c-hungry); }
.mealbar__fill--waiting { background: var(--c-wait); }
.mealbar__fill--eating { background: var(--c-eat); }
.mealbar__num { font-family: var(--font-mono); color: var(--ink); text-align: right; font-weight: 700; }

/* log */
.log { list-style: none; margin: 0; padding: 0; max-height: 220px; overflow-y: auto;
  display: flex; flex-direction: column; gap: 2px; font-size: .82rem; }
.log__item { display: flex; gap: .5rem; padding: .3rem .45rem; border-radius: 7px; animation: logIn .3s ease; }
.log__item:nth-child(odd) { background: var(--paper); }
.log__tick { font-family: var(--font-mono); color: var(--ink-faint); flex: 0 0 auto; font-size: .72rem; }
.log__text { color: var(--ink-soft); }
.log__item--eat .log__text, .log__item--done .log__text, .log__item--resolve .log__text { color: var(--c-eat); font-weight: 600; }
.log__item--grab .log__text, .log__item--seat .log__text { color: var(--c-wait); }
.log__item--hungry .log__text { color: var(--c-hungry); }
.log__item--warn .log__text { color: var(--saffron); font-weight: 600; }
.log__item--deadlock .log__text { color: var(--tomato); font-weight: 700; }
.log::-webkit-scrollbar { width: 9px; }
.log::-webkit-scrollbar-thumb { background: var(--ink-faint); border-radius: 999px; }

/* ==================== density pass ====================
   Keep the simulation ("game") page from feeling chonky: tighter gaps and
   padding, lighter card shadows. Scoped under .sim-layout so the Home and Code
   pages keep their full, roomy treatment. */
.sim-layout { gap: .85rem; }
.sim-layout .sim-left, .sim-layout .sim-right, .sim-layout .sim-center { gap: .7rem; }

.sim-layout .card { padding: .8rem .85rem; border-width: 2px; box-shadow: var(--hard-sm); }
.sim-layout .card__title { font-size: 1rem; }
.sim-layout .card__hint { margin-bottom: .5rem; }

.sim-layout .objective { padding: .5rem .78rem; border-width: 2px; border-left-width: 8px; box-shadow: var(--hard-sm); }
.sim-layout .objective__text { font-size: .93rem; }
.sim-layout .objective__badge { font-size: .58rem; padding: .22rem .5rem; }

.sim-layout .narrator { padding: .58rem .85rem; min-height: 44px; border-width: 2px; box-shadow: var(--hard-sm); font-size: .98rem; }
.sim-layout .narrator__icon { font-size: 1.1rem; width: 32px; height: 32px; }

.sim-layout .controls { gap: .4rem; }
.sim-layout .controls + .controls { margin-top: .45rem; }
.sim-layout .btn { padding: .5rem .6rem; font-size: .9rem; }

.sim-layout .sliders { gap: .65rem; }
.sim-layout .stats { gap: .4rem; }
.sim-layout .stat { padding: .42rem 0; }
.sim-layout .stat__num { font-size: 1.5rem; }
.sim-layout .meal-bars { gap: .35rem; }
.sim-layout .log { max-height: 158px; }
.sim-layout .legend { padding-top: .5rem; }

.sim-layout .strat-group + .strat-group { margin-top: .7rem; }
.sim-layout .strat-cards--list .strat-card { padding: .5rem .62rem; }

/* ==================== code panel ==================== */
.code-wrap { background: var(--card); border: 2.5px solid var(--ink); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--hard-lg); animation: rise .5s cubic-bezier(.2,.8,.2,1) both; max-width: 1080px; margin: 0 auto; }
.code-toolbar { display: flex; align-items: center; gap: .7rem; padding: .85rem 1rem; flex-wrap: wrap; border-bottom: 2.5px solid var(--ink); }
.seg { display: inline-flex; gap: .25rem; background: var(--paper); padding: .25rem; border-radius: 999px; border: 2px solid var(--ink); }
.seg--scroll { overflow-x: auto; max-width: 100%; }
.lang-btn, .codestrat-btn { font-family: var(--font-ui); font-weight: 700; font-size: .85rem; color: var(--ink-soft);
  background: transparent; border: 0; border-radius: 999px; padding: .4rem .85rem; cursor: pointer; white-space: nowrap; transition: color .18s, background .18s; }
.lang-btn:hover, .codestrat-btn:hover { color: var(--ink); }
.lang-btn.is-active { color: var(--paper); background: var(--tomato); }
.codestrat-btn.is-active { color: var(--paper); background: var(--ink); }
#btn-copy { margin-left: auto; }
.code-caption { margin: 0; padding: .65rem 1rem; font-size: .85rem; color: var(--ink-soft); font-family: var(--font-serif); font-style: italic; border-bottom: 2.5px solid var(--ink); }
.code-pre { margin: 0; padding: 0; max-height: 66vh; overflow: auto; background: #221913; }
.code-pre code { font-family: var(--font-mono); font-size: .82rem; line-height: 1.7; display: block; padding: 1.2rem 1.3rem; }
.hljs { background: transparent !important; color: #e6dcc8; }
.code-pre::-webkit-scrollbar { width: 11px; height: 11px; }
.code-pre::-webkit-scrollbar-thumb { background: #4a3c2e; border-radius: 999px; }

/* ============ deadlock callout (inline, non-blocking — never hides the table) ============ */
.deadlock-banner { display: flex; align-items: center; gap: .8rem; flex-wrap: wrap;
  background: #fbeee9; border: 2.5px solid var(--tomato); border-radius: var(--radius);
  box-shadow: var(--hard); padding: .7rem .9rem; }
.deadlock-banner[hidden] { display: none; }
.deadlock-banner.show { animation: bannerDrop .42s cubic-bezier(.2,1.15,.4,1); }
.deadlock-banner__stamp { flex: 0 0 auto; font-family: var(--font-display); font-weight: 800;
  font-size: 1.15rem; letter-spacing: .04em; color: var(--paper); background: var(--tomato);
  border: 2.5px solid var(--ink); padding: .2rem .65rem; border-radius: 9px; transform: rotate(-3deg);
  box-shadow: var(--hard-sm); }
.deadlock-banner__text { flex: 1 1 220px; margin: 0; color: var(--ink); font-size: .9rem;
  font-family: var(--font-serif); line-height: 1.4; }
.deadlock-banner__text b { font-family: var(--font-ui); font-weight: 700; }
.deadlock-banner .btn { flex: 0 0 auto; }
body.is-deadlock::after { content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 400;
  box-shadow: inset 0 0 0 6px var(--tomato); animation: pulseSoft 1.2s infinite; }

/* ==================== four conditions panel (the "why") ==================== */
.conditions { background: var(--card); border: 2px solid var(--ink); border-radius: var(--radius);
  box-shadow: var(--hard-sm); padding: .75rem .85rem; transition: border-color .3s, background .3s; }
.conditions__head { margin-bottom: .55rem; }
.conditions__title { font-family: var(--font-display); font-weight: 800; font-size: 1rem; margin: 0; letter-spacing: -.01em; }
.conditions__title em { color: var(--tomato); font-style: normal; }
.conditions__verdict { display: block; margin-top: .2rem; font-family: var(--font-serif); font-size: .9rem; color: var(--ink-soft); }
.conditions[data-mode="safe"]   { border-color: var(--pine); }
.conditions[data-mode="safe"] .conditions__verdict   { color: var(--pine); }
.conditions[data-mode="jammed"] { border-color: var(--tomato); background: #fbeee9; }
.conditions[data-mode="jammed"] .conditions__verdict { color: var(--tomato-deep); }

.conditions__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: .45rem; }
.cond { display: flex; align-items: center; gap: .5rem; padding: .4rem .5rem; border-radius: var(--radius-sm);
  background: var(--paper); border: 2px solid var(--ink); transition: border-color .25s, background .25s; }
.cond__icon { flex: 0 0 auto; font-size: 1rem; width: 26px; height: 26px; display: grid; place-items: center;
  border-radius: 7px; border: 1.5px solid var(--ink); background: var(--card); }
.cond__body { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; flex: 1; }
.cond__name { font-family: var(--font-ui); font-weight: 700; font-size: .82rem; }
.cond__desc { font-family: var(--font-serif); font-size: .72rem; color: var(--ink-soft); }
.cond__state { flex: 0 0 auto; font-family: var(--font-mono); font-size: .55rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .04em; padding: 2px 6px; border-radius: 999px;
  border: 1.5px solid var(--ink); color: var(--paper); background: var(--ink-soft); white-space: nowrap; }
.cond--inherent .cond__state { background: var(--ink-soft); }
.cond--armed { opacity: .9; }
.cond--armed .cond__icon { border-style: dashed; }
.cond--armed .cond__state { background: var(--saffron); color: var(--ink); }
.cond--active { border-color: var(--tomato); }
.cond--active .cond__icon { background: var(--tomato); }
.cond--active .cond__name { color: var(--tomato-deep); }
.cond--active .cond__state { background: var(--tomato); }
.cond--broken { border-color: var(--pine); background: #eef6f0; }
.cond--broken .cond__icon { background: var(--pine); }
.cond--broken .cond__name { text-decoration: line-through; text-decoration-color: var(--pine); color: var(--ink-soft); }
.cond--broken .cond__state { background: var(--pine); }
@media (max-width: 520px) { .conditions__list { grid-template-columns: 1fr; } }
/* teaser state (before the first jam) + the reveal flash */
.conditions[data-mode="teaser"] { border-style: dashed; }
.conditions[data-mode="teaser"] .conditions__verdict { color: var(--ink-faint); font-style: italic; }
.conditions.reveal { animation: condReveal .6s cubic-bezier(.2,1.2,.4,1); }
@keyframes condReveal { 0% { transform: scale(.985); } 45% { transform: scale(1.012); } 100% { transform: none; } }

/* "tap me" affordance — only at the very start (manual mode, nothing grabbed yet) */
.stage.await-first .phil--thinking .phil__avatar { animation: tapPulse 1.6s ease-in-out infinite; }
.stage.await-first .phil--thinking .phil__ring { border-color: var(--saffron); }
@keyframes tapPulse { 0%,100% { box-shadow: var(--hard-sm); } 50% { box-shadow: 0 0 0 5px rgba(230,160,25,.4), var(--hard-sm); } }

/* progressive-disclosure "Tinker" panel (expert controls, collapsed by default) */
.adv { border: 0; }
.adv__summary { list-style: none; cursor: pointer; user-select: none; display: flex; align-items: center; gap: .5rem;
  font-family: var(--font-ui); font-weight: 700; font-size: .85rem; color: var(--ink-soft);
  background: var(--card); border: 2px solid var(--ink); border-radius: var(--radius-sm);
  box-shadow: var(--hard-sm); padding: .55rem .8rem; transition: background .15s; }
.adv__summary::-webkit-details-marker { display: none; }
.adv__summary small { color: var(--ink-faint); font-weight: 600; font-family: var(--font-serif); font-style: italic; }
.adv__summary::after { content: '▸'; margin-left: auto; transition: transform .2s; }
.adv[open] .adv__summary::after { transform: rotate(90deg); }
.adv__summary:hover { background: var(--paper); }
.adv__body { display: flex; flex-direction: column; gap: .7rem; margin-top: .7rem; }

/* ==================== guided tour ==================== */
.tour { position: fixed; inset: 0; z-index: 600; pointer-events: none; }
.tour[hidden] { display: none; }
.tour__pop { pointer-events: auto; }
.tour__spot { position: absolute; border-radius: 14px; border: 3px solid var(--saffron);
  box-shadow: 0 0 0 9999px rgba(36,26,19,0.62); transition: all .3s cubic-bezier(.4,0,.2,1); pointer-events: none; }
.tour__pop { position: absolute; max-width: 290px; background: var(--card); border: 3px solid var(--ink);
  border-radius: var(--radius); box-shadow: var(--hard-lg); padding: 1.1rem 1.2rem; transition: all .3s cubic-bezier(.4,0,.2,1); }
.tour__step { font-family: var(--font-mono); font-size: .7rem; font-weight: 700; color: var(--tomato-deep); letter-spacing: .05em; }
.tour__title { font-family: var(--font-display); font-weight: 800; font-size: 1.2rem; margin: .2rem 0 .4rem; }
.tour__body { font-family: var(--font-serif); font-size: .98rem; color: var(--ink); margin: 0 0 1rem; }
.tour__btns { display: flex; gap: .5rem; align-items: center; }
.tour__skip { margin-right: auto; background: none; border: 0; color: var(--ink-faint); font-family: var(--font-ui); font-weight: 700; cursor: pointer; font-size: .82rem; }
.tour__skip:hover { color: var(--tomato-deep); }

/* ==================== tooltips (hover) ==================== */
[data-tip] { position: relative; }
[data-tip]::after { content: attr(data-tip); position: absolute; bottom: calc(100% + 8px); left: 50%;
  transform: translateX(-50%) translateY(4px); background: var(--ink); color: var(--paper);
  font-family: var(--font-ui); font-weight: 600; font-size: .76rem; line-height: 1.3; white-space: normal; width: max-content; max-width: 210px;
  padding: .45rem .6rem; border-radius: 9px; box-shadow: var(--hard-sm);
  opacity: 0; pointer-events: none; transition: opacity .18s, transform .18s; z-index: 50; text-align: center; }
[data-tip]::before { content: ''; position: absolute; bottom: calc(100% + 3px); left: 50%; transform: translateX(-50%) translateY(4px);
  border: 5px solid transparent; border-top-color: var(--ink); opacity: 0; transition: opacity .18s, transform .18s; z-index: 50; }
[data-tip]:hover::after, [data-tip]:focus-visible::after { opacity: 1; transform: translateX(-50%) translateY(0); }
[data-tip]:hover::before, [data-tip]:focus-visible::before { opacity: 1; transform: translateX(-50%) translateY(0); }
@media (hover: none) { [data-tip]::after, [data-tip]::before { display: none; } }

/* ==================== footer ==================== */
.site-footer { max-width: var(--maxw); margin: 0 auto; padding: 1.5rem clamp(1rem,3vw,2.4rem) 2.5rem;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  color: var(--ink-soft); font-size: .85rem; border-top: 2px solid var(--ink); font-family: var(--font-serif); font-style: italic; }
.site-footer__hint { font-family: var(--font-mono); font-style: normal; }

/* ==================== keyframes ==================== */
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes bob { 0%,100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-6px) rotate(2deg); } }
@keyframes ringPulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.1); } }
@keyframes ringSpin { to { transform: rotate(360deg); } }
@keyframes narratorPop { 0% { transform: scale(.995); } 50% { transform: scale(1.006); } 100% { transform: scale(1); } }
@keyframes logIn { from { opacity: 0; transform: translateX(-6px); } to { opacity: 1; transform: none; } }
@keyframes march { to { stroke-dashoffset: -19; } }
@keyframes shake { 0%,100% { transform: translate(-50%,-50%); } 25% { transform: translate(calc(-50% - 3px),-50%); } 75% { transform: translate(calc(-50% + 3px),-50%); } }
@keyframes pulseSoft { 0%,100% { opacity: .5; } 50% { opacity: 1; } }
@keyframes bannerPop { to { transform: scale(1); opacity: 1; } }
@keyframes bannerDrop { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: none; } }
@keyframes wobble { 0%,100% { transform: rotate(-2deg); } 50% { transform: rotate(2deg); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .12s !important; }
}

@media (max-width: 600px) {
  .brand__sub { display: none; }
  .phil { width: 88px; }
  .phil__avatar { width: 56px; height: 56px; }
  .phil__face { font-size: 1.6rem; }
  .home__title { font-size: clamp(2.2rem, 11vw, 3.4rem); }
}