/* ============================================================
   AEDO Play — "drafting sheet" theme, v4.
   Paper white + ink navy + AEDO orange + blueprint blue.
   Self-contained: does NOT depend on /resources/resources.css.
   NOTE: shared shell classes (.play-nav*, .play-bg-fx, .play-eyebrow,
   .play-stat-chip/.psc-*, .play-btn*, .play-final-cta*, .play-footer,
   .reveal, .play-container) are also used by /play/build-it/,
   /play/blueprint-detective/ and /play/engineer-vs-nature/ —
   keep them backward-compatible.
   ============================================================ */

:root {
  --bg:        #f6f8fc;
  --bg2:       #ffffff;
  --bg3:       #eef2f9;
  --card:      #ffffff;
  --border:    rgba(15,32,51,0.10);
  --border2:   rgba(15,32,51,0.16);
  --ink:       #0f2033;
  --text:      #0f2033;
  --text2:     #4c6178;
  --text3:     #8598ac;
  --accent:    #e86100;
  --accent2:   #ff7a30;
  --accent-tint: rgba(232,97,0,0.09);
  --blue:      #2f6fed;
  --blue-tint: rgba(47,111,237,0.09);
  --green:     #1f9d55;
  --green-tint: rgba(31,157,85,0.12);
  --red:       #d6455a;
  --red-tint:  rgba(214,69,90,0.12);
  --font:      'Inter', sans-serif;
  --font2:     'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --radius:    9px;
  --radius-lg: 18px;
  --shadow:    0 4px 20px rgba(15,32,51,0.08);
  --shadow-lg: 0 24px 60px rgba(15,32,51,0.14);
  --transition: 0.22s cubic-bezier(0.4,0,0.2,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.play-body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; }
img, svg { max-width: 100%; display: block; }
.play-container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.accent { color: var(--accent); }

/* ── blueprint grid backdrop ── */
.play-bg-fx {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background:
    radial-gradient(circle at 12% 4%, rgba(232,97,0,0.07), transparent 40%),
    radial-gradient(circle at 90% 18%, rgba(47,111,237,0.07), transparent 42%),
    linear-gradient(var(--bg), var(--bg));
}
.play-bg-fx::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(15,32,51,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,32,51,0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(circle at 50% 0%, #000 0%, transparent 70%);
}

/* ── NAV (shared) ── */
.play-nav {
  position: sticky; top: 0; z-index: 500;
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.play-nav-inner {
  max-width: 1120px; margin: 0 auto; padding: 13px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.play-nav-logo {
  display: flex; align-items: center; gap: 9px; text-decoration: none;
  font-family: var(--font2); font-weight: 700; font-size: 16px; color: var(--ink);
  flex-shrink: 0;
}
.play-nav-logo img { height: 30px; width: auto; }
.play-nav-logo .sub { color: var(--text3); font-weight: 500; font-size: 12px; margin-left: 2px; }
.play-nav-links { display: flex; align-items: center; gap: 26px; list-style: none; margin: 0; padding: 0; font-size: 14px; font-weight: 600; }
.play-nav-links a { text-decoration: none; color: var(--text2); transition: color var(--transition); white-space: nowrap; }
.play-nav-links a:hover { color: var(--ink); }
.play-nav-cta { background: var(--accent); color: #fff !important; padding: 9px 18px; border-radius: var(--radius); font-weight: 700 !important; }
.play-nav-cta:hover { background: var(--accent2); }
.play-hamburger { display: none; }

@media (max-width: 760px) {
  .play-nav-links { position: fixed; top: 60px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; gap: 0; padding: 8px 0; border-bottom: 1px solid var(--border); transform: translateY(-12px); opacity: 0; pointer-events: none; transition: var(--transition); box-shadow: var(--shadow); }
  .play-nav-links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .play-nav-links li { border-bottom: 1px solid rgba(15,32,51,0.05); }
  .play-nav-links a { display: block; padding: 14px 24px; }
  .play-nav-cta { margin: 10px 24px; text-align: center; display: block; }
  .play-hamburger { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 34px; height: 34px; background: none; border: none; cursor: pointer; padding: 0; }
  .play-hamburger span { display: block; width: 100%; height: 2px; background: var(--ink); border-radius: 2px; }
}

/* ── REVEAL (shared) ── */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── BUTTONS (shared) ── */
.play-btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 26px; border-radius: var(--radius); font-family: var(--font); font-size: 15px; font-weight: 700; text-decoration: none; cursor: pointer; border: none; transition: var(--transition); }
.play-btn svg { width: 17px; height: 17px; flex-shrink: 0; }
.play-btn-primary { background: var(--accent); color: #fff; }
.play-btn-primary:hover { background: var(--accent2); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,97,0,0.35); }
.play-btn-primary:hover svg { transform: translateX(3px); }
.play-btn-primary svg { transition: transform var(--transition); }
.play-btn-ghost { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.28); }
.play-btn-ghost:hover { border-color: #fff; transform: translateY(-2px); }
.play-btn-outline { background: #fff; color: var(--text2); border: 1.5px solid var(--border2); }
.play-btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ── EYEBROW (shared) ── */
.play-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; position: relative; z-index: 1;
  font-size: 11px; font-weight: 700; letter-spacing: 2.2px; text-transform: uppercase;
  color: var(--accent); background: var(--accent-tint); border: 1px solid rgba(232,97,0,0.22);
  padding: 5px 14px; border-radius: 99px; margin-bottom: 20px;
}

/* ══════════════════════════════════════════════════
   HERO — split: copy left, live truss figure right
   ══════════════════════════════════════════════════ */
.play-hero { position: relative; z-index: 1; padding: 64px 0 54px; }
.play-hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 56px; align-items: center;
}
.play-hero-copy { text-align: left; }
.play-hero h1 {
  font-family: var(--font2); font-size: clamp(32px, 4.6vw, 54px); font-weight: 700;
  line-height: 1.08; letter-spacing: -1.2px; margin: 0 0 18px; text-wrap: balance; color: var(--ink);
}
.hero-underline {
  color: var(--accent); white-space: nowrap;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 200 14' preserveAspectRatio='none'%3E%3Cpath d='M4 10 C 50 4, 120 3, 196 8' fill='none' stroke='%23e86100' stroke-width='4' stroke-linecap='round' opacity='0.5'/%3E%3C/svg%3E") no-repeat bottom / 100% 0.22em;
  padding-bottom: 0.12em;
}
.play-hero-sub { color: var(--text2); font-size: 16.5px; max-width: 480px; margin: 0 0 26px; }
.play-hero-cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.play-hero-meta { color: var(--text3); font-size: 13px; margin: 0 0 28px; font-family: var(--font-mono); letter-spacing: 0.2px; }

/* stat chips (shared: subpages render emoji inside .psc-icon) */
.play-stats-bar { display: flex; align-items: stretch; gap: 12px; flex-wrap: wrap; }
.play-stat-chip {
  display: flex; flex-direction: column; align-items: center; gap: 2px;
  background: #fff; border: 1px solid var(--border);
  border-radius: 14px; padding: 12px 20px; min-width: 104px;
  box-shadow: var(--shadow); position: relative;
}
.psc-icon { font-size: 18px; margin-bottom: 2px; color: var(--text3); }
.play-stat-chip:nth-child(1) .psc-icon { color: var(--accent); }
.play-stat-chip:nth-child(2) .psc-icon { color: var(--blue); }
.play-stat-chip:nth-child(3) .psc-icon { color: var(--green); }
.psc-icon svg { width: 21px; height: 21px; }
.psc-icon.flame { display: inline-block; animation: flicker 1.8s ease-in-out infinite; }
@keyframes flicker { 0%, 100% { transform: scale(1) rotate(0deg); } 50% { transform: scale(1.1) rotate(-4deg); } }
.psc-val { font-family: var(--font-mono); font-weight: 700; font-size: 20px; color: var(--ink); }
.psc-val.bump { animation: valBump 0.45s cubic-bezier(0.2,0.9,0.3,1.4); }
@keyframes valBump { 0% { transform: scale(1); } 40% { transform: scale(1.25); color: var(--accent); } 100% { transform: scale(1); } }
.psc-label { font-size: 10.5px; font-weight: 700; letter-spacing: 0.8px; text-transform: uppercase; color: var(--text3); }

/* level progress track */
.play-level-track { max-width: 356px; margin-top: 14px; }
.plt-bar { height: 5px; border-radius: 4px; background: rgba(15,32,51,0.08); overflow: hidden; }
.plt-fill { height: 100%; width: 0%; border-radius: 4px; background: linear-gradient(90deg, var(--accent), var(--accent2)); transition: width 0.8s cubic-bezier(0.4,0,0.2,1); }
.plt-labels { display: flex; justify-content: space-between; margin-top: 5px; font-family: var(--font-mono); font-size: 10.5px; font-weight: 500; letter-spacing: 0.4px; color: var(--text3); text-transform: uppercase; }
.play-date { display: block; color: var(--text3); font-size: 12.5px; margin-top: 16px; font-family: var(--font-mono); }

/* hero figure: live load test */
.play-hero-fig {
  margin: 0; background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow); overflow: hidden;
  position: relative;
}
.play-hero-fig::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(47,111,237,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47,111,237,0.05) 1px, transparent 1px);
  background-size: 22px 22px;
}
.hero-fig-head {
  display: flex; align-items: center; gap: 9px; position: relative;
  padding: 12px 18px; border-bottom: 1px solid var(--border);
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 1.6px; text-transform: uppercase; color: var(--text2);
  background: rgba(246,248,252,0.75);
}
.hfh-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); animation: livePulse 1.6s ease-in-out infinite; }
@keyframes livePulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(31,157,85,0.45); } 55% { box-shadow: 0 0 0 6px rgba(31,157,85,0); } }
.hfh-read { margin-left: auto; color: var(--accent); letter-spacing: 0.6px; }
#truss-svg { width: 100%; height: auto; display: block; position: relative; padding: 8px 4px 0; }
.tr-ground, .tr-abut { stroke: var(--text3); stroke-width: 1.6; fill: none; stroke-linecap: round; }
.tr-abut { stroke-dasharray: 3 4; opacity: 0.7; }
.tr-supp { stroke: var(--ink); stroke-width: 1.8; fill: none; }
.tr-m { stroke: #9fb0c2; stroke-width: 2; stroke-linecap: round; }
.tr-nodes circle { fill: #fff; stroke: var(--ink); stroke-width: 1.6; }
.tr-react path { stroke: var(--green); stroke-width: 2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.tr-react, #react-a-txt, #react-b-txt { transform-box: fill-box; }
.tr-anno { font-family: var(--font-mono); font-size: 10px; font-weight: 700; fill: var(--green); }
#truss-load rect { fill: var(--ink); }
#truss-load circle { fill: #fff; stroke: var(--ink); stroke-width: 1.8; }
#truss-load .tl-arrow { stroke: var(--accent); stroke-width: 2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.tr-dim path { stroke: var(--text3); stroke-width: 1; fill: none; }
.tr-dim .tr-dim-arr { fill: var(--text3); stroke: none; }
.tr-dim text { font-family: var(--font-mono); font-size: 11px; fill: var(--text2); }
.hero-fig-cap {
  position: relative; padding: 10px 18px 12px; border-top: 1px solid var(--border);
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.4px;
  color: var(--text3); background: rgba(246,248,252,0.75);
}

/* ══════════════════════════════════════════════════
   SECTION "SHEET" HEADERS
   ══════════════════════════════════════════════════ */
.play-section { position: relative; z-index: 1; padding: 34px 0 10px; }
.sheet-head { margin-bottom: 34px; }
.sheet-head-row { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.sheet-no {
  font-family: var(--font-mono); font-size: 11px; font-weight: 700; letter-spacing: 1px;
  color: var(--accent); border: 1.5px solid rgba(232,97,0,0.4); border-radius: 5px;
  padding: 3px 9px; flex-shrink: 0;
}
.sheet-rule { flex: 1; height: 1px; background: var(--border2); position: relative; }
.sheet-rule::before, .sheet-rule::after {
  content: ''; position: absolute; top: -3.5px; width: 1.5px; height: 8px; background: var(--border2);
}
.sheet-rule::before { left: 0; } .sheet-rule::after { right: 0; }
.sheet-tag {
  font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 2px;
  text-transform: uppercase; color: var(--text3); flex-shrink: 0;
}
.sheet-head h2 { font-family: var(--font2); font-size: clamp(24px, 3vw, 34px); font-weight: 700; margin: 0 0 8px; letter-spacing: -0.5px; color: var(--ink); }
.sheet-head p { color: var(--text2); font-size: 15px; max-width: 560px; margin: 0; }

/* ══════════════════════════════════════════════════
   GAME CARDS
   ══════════════════════════════════════════════════ */
.game-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 26px; }
.game-card {
  display: flex; flex-direction: column; text-decoration: none;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; box-shadow: var(--shadow);
  transition: transform 0.28s cubic-bezier(0.2,0.8,0.2,1), box-shadow 0.28s ease, border-color 0.28s ease;
}
.game-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(232,97,0,0.35); }
.game-card.reveal[data-d="1"] { transition-delay: 0.1s; }
.game-card.reveal[data-d="2"] { transition-delay: 0.2s; }
.game-card.reveal.visible[data-d] { transition-delay: 0s; }

.game-scene { position: relative; aspect-ratio: 2 / 1; overflow: hidden; border-bottom: 1px solid var(--border); }
.game-scene svg { width: 100%; height: 100%; }
.scene-paper {
  background:
    linear-gradient(rgba(15,32,51,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,32,51,0.05) 1px, transparent 1px),
    linear-gradient(160deg, #fdfefe, var(--bg3));
  background-size: 20px 20px, 20px 20px, 100% 100%;
}
.scene-blueprint {
  background:
    linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px),
    linear-gradient(150deg, #14335e, #0f2547);
  background-size: 20px 20px, 20px 20px, 100% 100%;
}
.scene-storm {
  background:
    linear-gradient(rgba(15,32,51,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,32,51,0.05) 1px, transparent 1px),
    linear-gradient(165deg, #e8eef9, #d7e2f2);
  background-size: 20px 20px, 20px 20px, 100% 100%;
}
/* scene 1: bridge draws in, truck crosses on hover */
.gs-static { stroke: var(--text3); stroke-width: 1.6; fill: none; stroke-linecap: round; }
.gs-draw path { stroke: var(--ink); stroke-width: 2.2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.gs-truck rect { fill: var(--accent); }
.gs-truck circle { fill: #fff; stroke: var(--ink); stroke-width: 1.6; }
.gs-truck { opacity: 0; }
.game-card:hover .gs-truck { opacity: 1; animation: truckCross 2.4s linear infinite; }
@keyframes truckCross { 0% { transform: translateX(0); } 100% { transform: translateX(360px); } }
.game-card:hover .gs-draw path { stroke-dasharray: 260; stroke-dashoffset: 260; animation: sceneDraw 1.4s cubic-bezier(0.4,0,0.2,1) forwards; }
@keyframes sceneDraw { to { stroke-dashoffset: 0; } }
/* scene 2: lens pans across the blueprint */
.gs-bp path, .gs-bp rect { stroke: rgba(255,255,255,0.85); stroke-width: 1.6; fill: none; stroke-linecap: round; }
.gs-bp .gs-bp-arc { stroke-dasharray: 3 4; opacity: 0.8; }
.gs-flag circle { stroke: #ff8b4d; stroke-width: 2; fill: none; stroke-dasharray: 4 4; }
.gs-flag path { stroke: #ff8b4d; stroke-width: 2; stroke-linecap: round; opacity: 0; transition: opacity 0.3s ease 1.4s; }
.game-card:hover .gs-flag path { opacity: 1; }
.gs-lens circle { stroke: #fff; stroke-width: 2.5; fill: rgba(255,255,255,0.09); }
.gs-lens path { stroke: #fff; stroke-width: 2.5; stroke-linecap: round; }
.gs-lens { transform: translate(84px, 58px); }
.game-card:hover .gs-lens { animation: lensPan 2.8s cubic-bezier(0.45,0,0.35,1) infinite; }
@keyframes lensPan {
  0%   { transform: translate(84px, 58px); }
  45%  { transform: translate(196px, 98px); }
  60%  { transform: translate(196px, 98px) scale(1.12); }
  75%  { transform: translate(196px, 98px); }
  100% { transform: translate(84px, 58px); }
}
/* scene 3: wind streaks + quake trace */
.gs-house path { stroke: var(--ink); stroke-width: 2.2; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.gs-wind path { stroke: var(--blue); stroke-width: 2; fill: none; stroke-linecap: round; opacity: 0.55; }
.game-card:hover .gs-wind path { animation: windRush 1.1s linear infinite; }
.game-card:hover .gs-wind path:nth-child(2) { animation-delay: 0.25s; }
.game-card:hover .gs-wind path:nth-child(3) { animation-delay: 0.5s; }
@keyframes windRush { 0% { transform: translateX(-20px); opacity: 0; } 30% { opacity: 0.7; } 100% { transform: translateX(48px); opacity: 0; } }
.gs-quake path { stroke: var(--red); stroke-width: 2; fill: none; stroke-linecap: round; stroke-linejoin: round; opacity: 0.65; }
.game-card:hover .gs-house { animation: quakeShake 0.5s linear infinite; }
@keyframes quakeShake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-1.6px); } 75% { transform: translateX(1.6px); } }

.game-body { display: flex; flex-direction: column; flex: 1; padding: 20px 22px 18px; }
.game-tag { font-family: var(--font-mono); font-size: 10.5px; font-weight: 700; letter-spacing: 1.6px; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.game-body h3 { font-family: var(--font2); font-size: 20px; font-weight: 700; color: var(--ink); margin: 0 0 6px; letter-spacing: -0.3px; }
.game-body p { color: var(--text2); font-size: 13.5px; line-height: 1.55; margin: 0 0 16px; flex: 1; }
.game-meta { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--border); padding-top: 13px; font-family: var(--font-mono); font-size: 12px; color: var(--text3); }
.game-play { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--ink); font-family: var(--font); font-size: 13.5px; transition: color var(--transition); }
.game-play svg { width: 15px; height: 15px; transition: transform var(--transition); }
.game-card:hover .game-play { color: var(--accent); }
.game-card:hover .game-play svg { transform: translateX(3px); }

/* ══════════════════════════════════════════════════
   MISSION RAIL
   ══════════════════════════════════════════════════ */
.mission-rail { display: flex; align-items: flex-start; justify-content: center; max-width: 560px; margin: 0 auto 46px; }
.mission-step { display: flex; flex-direction: column; align-items: center; gap: 6px; flex-shrink: 0; }
.ms-num, .ms-check {
  width: 40px; height: 40px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-weight: 700; font-size: 13px;
  background: #fff; border: 1.5px solid var(--border2); color: var(--text3);
  transition: var(--transition);
}
.ms-check { display: none; }
.ms-check svg { width: 19px; height: 19px; }
.mission-step.done .ms-num { display: none; }
.mission-step.done .ms-check { display: flex; background: var(--green); border-color: var(--green); color: #fff; animation: checkPop 0.4s cubic-bezier(0.2,0.9,0.3,1.4); }
@keyframes checkPop { 0% { transform: scale(0.5); } 100% { transform: scale(1); } }
.mission-step.active .ms-num { border-color: var(--accent); color: var(--accent); }
.ms-label { font-size: 11px; font-weight: 700; letter-spacing: 0.8px; text-transform: uppercase; color: var(--text3); }
.mission-step.done .ms-label, .mission-step.active .ms-label { color: var(--ink); }
.ms-xp { font-family: var(--font-mono); font-size: 10px; color: var(--text3); opacity: 0.85; }
.mission-line { flex: 1; height: 0; border-top: 2px dashed var(--border2); margin: 20px 10px 0; min-width: 36px; transition: border-color 0.4s ease; }
.mission-line.filled { border-top-style: solid; border-color: var(--green); }

/* ══════════════════════════════════════════════════
   DRILL BLOCKS
   ══════════════════════════════════════════════════ */
.drill-block { margin: 0 0 54px; }
.drill-block-head { text-align: center; margin-bottom: 24px; }
.drill-step-tag {
  display: inline-block; font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  letter-spacing: 1.8px; text-transform: uppercase;
  color: var(--accent); background: var(--accent-tint); border: 1px solid rgba(232,97,0,0.22);
  padding: 4px 13px; border-radius: 99px; margin-bottom: 12px;
}
.drill-step-tag.tag-blue { color: var(--blue); background: var(--blue-tint); border-color: rgba(47,111,237,0.22); }
.drill-block-head h3 { font-family: var(--font2); font-size: clamp(20px, 2.4vw, 27px); margin: 0 0 6px; letter-spacing: -0.4px; color: var(--ink); }
.drill-block-head p { color: var(--text2); font-size: 14px; max-width: 520px; margin: 0 auto; }

/* ── Term of the Day: drafting plate flip card ── */
.term-card-wrap { display: flex; justify-content: center; }
.term-card { width: 100%; max-width: 500px; min-height: 250px; perspective: 1400px; cursor: pointer; outline-offset: 4px; }
.term-card-inner {
  position: relative; width: 100%; height: 100%; min-height: 250px;
  transition: transform 0.65s cubic-bezier(0.4,0.1,0.2,1);
  transform-style: preserve-3d; will-change: transform;
}
.term-card.flipped .term-card-inner { transform: rotateY(180deg); }
.term-card-face {
  position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden;
  border-radius: var(--radius-lg); border: 1px solid var(--border);
  background:
    linear-gradient(rgba(15,32,51,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,32,51,0.035) 1px, transparent 1px),
    linear-gradient(160deg, #ffffff, var(--bg3));
  background-size: 22px 22px, 22px 22px, 100% 100%;
  padding: 34px 32px; display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; gap: 10px;
  box-shadow: var(--shadow); overflow: hidden;
}
.tc-corner { position: absolute; width: 14px; height: 14px; border: 1.5px solid rgba(15,32,51,0.22); }
.tc-corner.c1 { top: 10px; left: 10px; border-right: 0; border-bottom: 0; }
.tc-corner.c2 { top: 10px; right: 10px; border-left: 0; border-bottom: 0; }
.tc-corner.c3 { bottom: 10px; left: 10px; border-right: 0; border-top: 0; }
.tc-corner.c4 { bottom: 10px; right: 10px; border-left: 0; border-top: 0; }
.tc-plate {
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 700; letter-spacing: 2.4px;
  text-transform: uppercase; color: var(--text3);
  border: 1px solid var(--border2); border-radius: 4px; padding: 3px 12px;
}
.term-card-face.front h3 { font-family: var(--font2); font-size: clamp(26px, 4vw, 34px); margin: 6px 0 0; color: var(--ink); letter-spacing: -0.5px; }
.tc-ref { font-family: var(--font-mono); font-size: 11px; color: var(--accent); letter-spacing: 1.2px; }
.term-card-hint { display: inline-flex; align-items: center; gap: 7px; color: var(--text3); font-size: 12.5px; font-weight: 600; margin-top: 8px; }
.term-card-hint svg { width: 14px; height: 14px; animation: hintSpin 3.2s ease-in-out infinite; }
@keyframes hintSpin { 0%, 60%, 100% { transform: rotate(0deg); } 75% { transform: rotate(-40deg); } 88% { transform: rotate(8deg); } }
.term-card-face.back { transform: rotateY(180deg); align-items: flex-start; text-align: left; justify-content: center; }
.term-card-face.back .term-card-label { font-size: 10.5px; font-weight: 700; letter-spacing: 1.8px; text-transform: uppercase; color: var(--accent); font-family: var(--font-mono); }
.term-card-face.back h3 { font-family: var(--font2); font-size: 21px; margin: 0; color: var(--ink); }
.term-card-face.back p { color: var(--text); font-size: 14.5px; line-height: 1.6; margin: 0; }
.term-card-face.back .term-why { color: var(--text2); font-size: 13px; margin-top: 8px; padding-top: 10px; border-top: 1px dashed var(--border2); }
.term-card-face.back .term-why::before {
  content: 'Why it matters — '; font-family: var(--font-mono); font-size: 10.5px; font-weight: 700;
  letter-spacing: 1.2px; text-transform: uppercase; color: var(--blue);
}

/* ── Daily Quiz ── */
.quiz-shell {
  max-width: 640px; margin: 0 auto;
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 26px 28px 24px; box-shadow: var(--shadow);
}
.quiz-top { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.quiz-count { font-family: var(--font-mono); font-size: 12px; font-weight: 700; color: var(--text2); letter-spacing: 0.6px; flex-shrink: 0; }
.quiz-progress-track { flex: 1; height: 6px; border-radius: 4px; background: var(--bg3); overflow: hidden; }
.quiz-progress-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--accent2)); border-radius: 4px; transition: width 0.5s cubic-bezier(0.4,0,0.2,1); }
.quiz-q { font-family: var(--font2); font-size: 18.5px; margin: 0 0 18px; line-height: 1.4; color: var(--ink); }
.quiz-options { display: flex; flex-direction: column; gap: 10px; }
.quiz-opt {
  display: flex; align-items: center; gap: 13px; text-align: left;
  background: var(--bg3); border: 1.5px solid var(--border); border-radius: var(--radius);
  padding: 12px 14px; font-family: var(--font); font-size: 14.5px; color: var(--text);
  cursor: pointer; transition: var(--transition); position: relative;
}
.qo-key {
  flex-shrink: 0; width: 26px; height: 26px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 12px; font-weight: 700;
  background: #fff; border: 1px solid var(--border2); color: var(--text3);
  transition: var(--transition);
}
.quiz-opt:hover:not(:disabled) { border-color: rgba(232,97,0,0.4); transform: translateX(3px); }
.quiz-opt:hover:not(:disabled) .qo-key { border-color: var(--accent); color: var(--accent); }
.quiz-opt.correct { border-color: var(--green); background: var(--green-tint); animation: pulseCorrect 0.5s ease; }
.quiz-opt.correct .qo-key { background: var(--green); border-color: var(--green); color: #fff; }
.quiz-opt.wrong { border-color: var(--red); background: var(--red-tint); animation: shakeWrong 0.45s ease; }
.quiz-opt.wrong .qo-key { background: var(--red); border-color: var(--red); color: #fff; }
@keyframes pulseCorrect { 0% { transform: scale(1); } 35% { transform: scale(1.02); } 100% { transform: scale(1); } }
@keyframes shakeWrong { 0%, 100% { transform: translateX(0); } 20% { transform: translateX(-6px); } 40% { transform: translateX(5px); } 60% { transform: translateX(-4px); } 80% { transform: translateX(3px); } }
.quiz-opt:disabled { cursor: default; opacity: 0.92; }
.quiz-feedback { margin-top: 14px; display: none; align-items: center; gap: 8px; font-family: var(--font2); font-weight: 700; font-size: 15px; }
.quiz-feedback svg { width: 18px; height: 18px; flex-shrink: 0; }
.quiz-feedback.show { display: flex; animation: fadeUpIn 0.35s ease; }
.quiz-feedback.is-correct { color: var(--green); }
.quiz-feedback.is-wrong { color: var(--red); }
.quiz-feedback .qf-xp { font-family: var(--font-mono); font-size: 12.5px; font-weight: 700; color: var(--accent); background: var(--accent-tint); border-radius: 99px; padding: 2px 10px; }
.quiz-explain {
  margin-top: 10px; font-size: 13.5px; color: var(--text2);
  background: var(--bg3); border-radius: var(--radius); padding: 12px 14px;
  border-left: 3px solid var(--accent); display: none;
}
.quiz-explain .qe-label { display: block; font-family: var(--font-mono); font-size: 10.5px; font-weight: 700; letter-spacing: 1.6px; text-transform: uppercase; color: var(--accent); margin-bottom: 5px; }
.quiz-explain.show { display: block; animation: fadeUpIn 0.4s ease; }
@keyframes fadeUpIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.quiz-next {
  margin-top: 16px; width: 100%;
  background: var(--accent); color: #fff; font-weight: 700; font-size: 14.5px; font-family: var(--font);
  border: none; border-radius: var(--radius); padding: 12px; cursor: pointer;
  display: none; transition: var(--transition);
}
.quiz-next.show { display: block; }
.quiz-next:hover { background: var(--accent2); transform: translateY(-1px); }

/* results ring */
.quiz-result { text-align: center; padding: 10px 4px; }
.quiz-ring-wrap { position: relative; width: 148px; height: 148px; margin: 0 auto 14px; }
.quiz-ring-wrap svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.quiz-ring-track { fill: none; stroke: var(--bg3); stroke-width: 10; }
.quiz-ring-fill { fill: none; stroke: var(--accent); stroke-width: 10; stroke-linecap: round; stroke-dasharray: 402; stroke-dashoffset: 402; transition: stroke-dashoffset 1.1s cubic-bezier(0.4,0,0.2,1); }
.quiz-ring-label { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; flex-direction: column; font-family: var(--font-mono); font-weight: 700; }
.quiz-ring-label .num { font-size: 34px; color: var(--ink); }
.quiz-ring-label .of { font-size: 12px; color: var(--text3); font-family: var(--font); }
.quiz-result-msg { font-size: 15px; color: var(--text); margin: 10px 0 4px; font-weight: 700; }
.quiz-result-sub { font-size: 13.5px; color: var(--text2); margin: 0; }
.quiz-copy-btn {
  background: var(--bg3); border: 1.5px solid var(--border); color: var(--text);
  font-weight: 700; font-size: 13.5px; font-family: var(--font); padding: 10px 18px; border-radius: var(--radius);
  cursor: pointer; transition: var(--transition); text-decoration: none; display: inline-flex; align-items: center; gap: 7px;
}
.quiz-copy-btn:hover { border-color: var(--accent); color: var(--accent); }
.quiz-copy-btn svg { width: 15px; height: 15px; }

/* confetti */
.confetti-piece { position: fixed; top: -12px; width: 8px; height: 14px; z-index: 9999; pointer-events: none; animation: confettiFall linear forwards; }
@keyframes confettiFall {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(110vh) rotate(540deg); opacity: 0.9; }
}

/* XP fly-up toast */
.xp-fly {
  position: fixed; z-index: 9998; pointer-events: none;
  font-family: var(--font-mono); font-size: 13px; font-weight: 700;
  color: var(--accent); background: #fff; border: 1.5px solid rgba(232,97,0,0.45);
  border-radius: 99px; padding: 4px 13px; box-shadow: var(--shadow);
  animation: xpFly 1.15s cubic-bezier(0.2,0.6,0.3,1) forwards;
}
@keyframes xpFly {
  0% { opacity: 0; transform: translate(-50%, 0) scale(0.7); }
  18% { opacity: 1; transform: translate(-50%, -14px) scale(1.05); }
  70% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -74px) scale(0.95); }
}

/* ── Myth or Fact ── */
.myth-counter { font-size: 13px; font-weight: 600; color: var(--text2); margin: 6px 0 0; }
.myth-counter span { color: var(--accent); font-family: var(--font-mono); font-weight: 700; }
.myth-deck { max-width: 580px; margin: 0 auto; }
.myth-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 26px; margin-bottom: 14px; box-shadow: var(--shadow); position: relative;
}
.myth-card::before {
  content: 'CLAIM ' counter(myth); position: absolute; top: -9px; left: 22px;
  font-family: var(--font-mono); font-size: 10px; font-weight: 700; letter-spacing: 1.6px;
  color: var(--text3); background: var(--bg); padding: 0 8px;
}
.myth-deck { counter-reset: myth; }
.myth-card { counter-increment: myth; }
.myth-claim { font-size: 15.5px; font-weight: 600; color: var(--text); margin: 0 0 18px; line-height: 1.5; }
.myth-buttons { display: flex; gap: 10px; }
.myth-btn {
  flex: 1; padding: 11px; border-radius: var(--radius);
  font-family: var(--font-mono); font-weight: 700; font-size: 13px; letter-spacing: 1.6px; text-transform: uppercase;
  cursor: pointer; border: 1.5px solid var(--border2); background: #fff; color: var(--text2);
  transition: var(--transition);
}
.myth-btn.pick-false:hover:not(:disabled) { border-color: var(--red); color: var(--red); }
.myth-btn.pick-true:hover:not(:disabled) { border-color: var(--green); color: var(--green); }
.myth-btn:disabled { cursor: default; }
.myth-btn.correct-pick { border-color: var(--green); background: var(--green-tint); color: var(--green); }
.myth-btn.wrong-pick { border-color: var(--red); background: var(--red-tint); color: var(--red); }
.myth-verdict { margin-top: 16px; padding-top: 14px; border-top: 1px dashed var(--border2); display: none; }
.myth-verdict.show { display: block; }
.myth-verdict-tag {
  display: inline-block; font-family: var(--font-mono); font-size: 13px; font-weight: 700; letter-spacing: 1.8px; text-transform: uppercase;
  padding: 4px 14px; border-radius: 4px; margin-bottom: 10px;
  border: 2.5px solid; transform: scale(2) rotate(-8deg); opacity: 0;
  animation: stampIn 0.5s cubic-bezier(0.2,1.4,0.4,1) 0.05s forwards;
}
@keyframes stampIn { 0% { transform: scale(2.4) rotate(-8deg); opacity: 0; } 60% { opacity: 1; } 100% { transform: scale(1) rotate(-8deg); opacity: 1; } }
.myth-verdict-tag.is-true { color: var(--green); border-color: var(--green); }
.myth-verdict-tag.is-false { color: var(--red); border-color: var(--red); }
.myth-verdict p { margin: 0; color: var(--text2); font-size: 13.5px; line-height: 1.6; }
.xp-badge { display: inline-block; font-family: var(--font-mono); font-size: 12px; font-weight: 700; letter-spacing: 0; color: var(--accent); background: var(--accent-tint); border-radius: 99px; padding: 2px 10px; margin-left: 8px; vertical-align: middle; }

/* ── Mission Complete ── */
.mission-complete { max-width: 640px; margin: 0 auto; }
.mission-complete:empty { display: none; }
.mc-card {
  position: relative;
  background:
    linear-gradient(rgba(15,32,51,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,32,51,0.03) 1px, transparent 1px),
    linear-gradient(160deg, #fff, var(--bg3));
  background-size: 22px 22px, 22px 22px, 100% 100%;
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 42px 36px; text-align: center; box-shadow: var(--shadow-lg);
  margin: 6px 0 30px;
  animation: mcPop 0.5s cubic-bezier(0.2,0.9,0.3,1.1);
}
@keyframes mcPop { 0% { opacity: 0; transform: translateY(16px) scale(0.97); } 100% { opacity: 1; transform: translateY(0) scale(1); } }
.mc-badge { width: 62px; height: 62px; margin: 0 auto 12px; color: var(--accent); }
.mc-badge svg { width: 100%; height: 100%; }
.mc-title { font-family: var(--font2); font-size: 27px; font-weight: 700; color: var(--ink); margin: 0 0 4px; letter-spacing: -0.4px; }
.mc-sub { color: var(--text2); font-size: 14px; margin: 0 0 26px; }
.mc-stats { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.mc-stat { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 18px; min-width: 110px; }
.mc-stat b { display: block; font-family: var(--font-mono); font-size: 22px; color: var(--ink); }
.mc-stat span { font-size: 10.5px; font-weight: 700; letter-spacing: 0.8px; text-transform: uppercase; color: var(--text3); }
.mc-levelup {
  display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 13.5px;
  color: var(--accent); background: var(--accent-tint); border: 1px solid rgba(232,97,0,0.25);
  border-radius: 99px; padding: 7px 16px; margin-bottom: 20px;
  animation: fadeUpIn 0.5s ease 0.3s both;
}
.mc-streak-dots { display: flex; justify-content: center; gap: 8px; margin-bottom: 26px; }
.mc-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--bg3); border: 1.5px solid var(--border2); }
.mc-dot.filled { background: var(--accent); border-color: var(--accent); }
.mc-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ── final CTA banner (shared) ── */
.play-final-cta {
  position: relative; z-index: 1;
  background: linear-gradient(135deg, #10233e, #16324f);
  border: 1px solid var(--border);
  border-radius: 20px; padding: 54px 40px; text-align: center; margin: 40px 0 90px; overflow: hidden;
}
.play-final-cta::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 20% 120%, rgba(232,97,0,0.3), transparent 55%); }
.play-final-cta::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 30px 30px;
}
.play-final-cta * { position: relative; z-index: 1; }
.play-final-cta h2 { font-family: var(--font2); font-size: clamp(22px, 3vw, 32px); margin: 0 0 12px; color: #fff; }
.play-final-cta p { color: #b9c7d8; max-width: 520px; margin: 0 auto 26px; font-size: 15px; }
.play-final-cta-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ── footer (shared) ── */
.play-footer { position: relative; z-index: 1; border-top: 1px solid var(--border); padding: 30px 0; text-align: center; color: var(--text3); font-size: 13px; }
.play-footer a { color: var(--text2); text-decoration: none; }
.play-footer a:hover { color: var(--accent); }

/* ══════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════ */
@media (max-width: 960px) {
  .play-hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .play-hero-fig { max-width: 560px; }
  .game-grid { grid-template-columns: 1fr; max-width: 460px; margin-left: auto; margin-right: auto; }
}
@media (max-width: 640px) {
  .play-hero { padding: 44px 0 40px; }
  .play-hero-sub { font-size: 15px; }
  .play-stats-bar { gap: 8px; }
  .play-stat-chip { min-width: 0; flex: 1; padding: 10px 8px; }
  .sheet-tag { display: none; }
  .sheet-rule::after { display: none; }
  .term-card-face { padding: 28px 22px; }
  .quiz-shell, .myth-card { padding: 22px 18px; }
  .play-final-cta { padding: 40px 22px; }
  .mission-rail { max-width: 340px; margin-bottom: 38px; }
  .ms-xp { display: none; }
  .mc-card { padding: 32px 22px; }
  .mc-stat { min-width: 88px; padding: 12px 14px; }
  .game-body { padding: 18px 18px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .psc-icon.flame, .confetti-piece, .myth-verdict-tag, .term-card-hint svg,
  .quiz-opt.correct, .quiz-opt.wrong, .mc-card, .mc-levelup, .ms-check,
  .hfh-dot, .xp-fly,
  .game-card:hover .gs-truck, .game-card:hover .gs-draw path,
  .game-card:hover .gs-lens, .game-card:hover .gs-wind path,
  .game-card:hover .gs-house { animation: none !important; }
  .term-card-inner, .quiz-ring-fill, .mission-line, .plt-fill { transition: none !important; }
  .game-card:hover .gs-truck { opacity: 1; transform: translateX(160px); }
  .myth-verdict-tag { opacity: 1; transform: rotate(-8deg); }
  .xp-fly { display: none; }
}