#start-screen { align-items: center; justify-content: center; padding: 2.5rem 1.5rem; position: relative; overflow: hidden; }

.bg-blobs { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.blob { position: absolute; width: 44vmax; height: 44vmax; border-radius: 50%; filter: blur(64px); opacity: 0.18; mix-blend-mode: multiply; will-change: transform; }
.blob-r { background: #c0392b; top: -14vmax; left: -10vmax; animation: drift1 19s ease-in-out infinite; }
.blob-b { background: #2d54d8; bottom: -16vmax; right: -8vmax;  animation: drift2 23s ease-in-out infinite; }
.blob-p { background: #5b2a86; top: 28%;       right: -14vmax; animation: drift3 21s ease-in-out infinite; }
.blob-o { background: #e67e22; bottom: -12vmax; left: 18%;     animation: drift1 26s ease-in-out infinite reverse; }
@keyframes drift1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(4vmax,3vmax) scale(1.12); } }
@keyframes drift2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-5vmax,-2vmax) scale(1.08); } }
@keyframes drift3 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-3vmax,4vmax) scale(1.14); } }

#start-screen::before {
  content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.6;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(180,170,155,0.12) 39px, rgba(180,170,155,0.12) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(180,170,155,0.08) 39px, rgba(180,170,155,0.08) 40px);
}

.start-stage { position: relative; z-index: 1; width: 100%; max-width: 840px; margin: 0 auto; }

.reveal { opacity: 0; transform: translateY(22px); animation: revealUp 0.75s cubic-bezier(.2,.7,.2,1) forwards; animation-delay: calc(var(--d,0) * 0.13s + 0.05s); }
@keyframes revealUp { to { opacity: 1; transform: none; } }
@keyframes riseIn  { from { opacity: 0; transform: translateY(16px) scale(.98); } to { opacity: 1; transform: none; } }
@keyframes pop     { 0% { transform: scale(.9); } 60% { transform: scale(1.07); } 100% { transform: scale(1); } }

.topbar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; padding-bottom: 1rem; margin-bottom: 1.6rem; border-bottom: 1px solid var(--border); }
.topbar-greeting { font-family: 'DM Mono', monospace; font-size: 0.78rem; color: var(--ink3); line-height: 1.35; }
.topbar-greeting b { color: var(--ink); font-size: 0.95rem; }
.topnav { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.nav-btn { display: inline-flex; align-items: center; gap: 0.4rem; white-space: nowrap; padding: 0.5rem 0.8rem; border: 1.5px solid var(--border); background: rgba(255,255,255,0.4); border-radius: 4px; font-family: 'DM Mono', monospace; font-size: 0.72rem; color: var(--ink2); cursor: pointer; transition: transform .15s, border-color .15s, color .15s, background .15s, box-shadow .15s; }
.nav-btn:hover { border-color: var(--ink); color: var(--ink); background: #fff; transform: translateY(-2px); box-shadow: 0 6px 14px rgba(0,0,0,0.08); }
.nav-btn:active { transform: scale(0.95); }
.nav-ico { font-size: 0.95rem; line-height: 1; display: inline-block; }
.nav-btn:hover .nav-ico { animation: bounce .5s ease; }
@keyframes bounce { 0%,100% { transform: translateY(0) rotate(0); } 30% { transform: translateY(-5px) rotate(-10deg); } 60% { transform: translateY(0) rotate(6deg); } }
.nav-btn-ghost { color: var(--ink3); }
.nav-btn-ghost:hover { color: var(--accent); border-color: var(--accent); }

.hero { display: flex; align-items: center; gap: 1.8rem; margin: 1.2rem 0 2.4rem; }
.hero-mascot { flex-shrink: 0; animation: floaty 4.5s ease-in-out infinite; will-change: transform; cursor: default; }
.hero-mascot:hover { animation-play-state: paused; }
.hero-mascot .logo-mark { width: clamp(96px, 13vw, 148px); height: auto; image-rendering: pixelated; filter: drop-shadow(4px 6px 0 rgba(0,0,0,0.08)); transition: transform .25s; }
.hero-mascot:hover .logo-mark { transform: scale(1.06) rotate(2deg); }
@keyframes floaty { 0%,100% { transform: translateY(0) rotate(-1.5deg); } 50% { transform: translateY(-10px) rotate(1.5deg); } }

.pupil { transform-box: fill-box; transform-origin: center; animation: blink 5.5s infinite; }
@keyframes blink { 0%,93%,100% { transform: scaleY(1); } 96% { transform: scaleY(0.1); } }

.big-logo { font-family: 'Playfair Display', serif; font-weight: 700; font-size: clamp(2.8rem, 7vw, 5rem); line-height: 0.95; letter-spacing: -1px; color: var(--ink); margin-bottom: 0.2rem; }
.big-logo span {
  background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent));
  background-size: 200% 100%; -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent; animation: sheen 6s linear infinite;
}
@keyframes sheen { to { background-position: -200% 0; } }
.hero-text .tagline { margin-bottom: 0.7rem; }
.hero-blurb { font-family: 'Lato', sans-serif; font-size: 1rem; color: var(--ink2); line-height: 1.5; max-width: 34ch; }

.start-panel { background: var(--paper); border: 1.5px solid var(--border); border-radius: 8px; padding: 2.2rem 2.4rem; box-shadow: 10px 10px 0 rgba(0,0,0,0.05); position: relative; }
.start-panel .form-section { margin-bottom: 1.8rem; }
.start-panel .form-label { margin-bottom: 0.7rem; }

#start-screen .opt-btn { position: relative; overflow: hidden; z-index: 0; padding: 0.55rem 1.15rem; border-radius: 4px;
  transition: color .2s, border-color .2s, transform .14s, box-shadow .2s; }
#start-screen .opt-btn::before { content: ''; position: absolute; inset: 0; z-index: -1; background: var(--ink); transform: scaleX(0); transform-origin: left; transition: transform .26s cubic-bezier(.2,.7,.2,1); }
#start-screen .opt-btn:hover { color: var(--paper); border-color: var(--ink); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,0.12); }
#start-screen .opt-btn:hover::before { transform: scaleX(1); }
#start-screen .opt-btn:active { transform: translateY(0) scale(0.95); }
#start-screen .opt-btn.selected { color: var(--paper); border-color: var(--ink); box-shadow: 0 4px 14px rgba(0,0,0,0.16); animation: pop .28s ease; }
#start-screen .opt-btn.selected::before { transform: scaleX(1); }

.start-btn { position: relative; overflow: hidden; }
.start-btn.cta { font-size: 1.2rem; padding: 1.05rem; border-radius: 4px; box-shadow: 0 3px 0 rgba(0,0,0,0.10); transition: transform .12s, box-shadow .25s, letter-spacing .2s; animation: ctaGlow 2.8s ease-in-out infinite; }
.start-btn.cta::after { content: ''; position: absolute; top: 0; left: -60%; width: 40%; height: 100%; background: linear-gradient(110deg, transparent, rgba(255,255,255,0.5), transparent); transform: skewX(-20deg); animation: shine 3.4s ease-in-out infinite; }
@keyframes shine { 0% { left: -60%; } 55%,100% { left: 140%; } }
.start-btn.cta:hover { transform: translateY(-2px); letter-spacing: 0.03em; }
.start-btn.cta:active { transform: translateY(0); }
@keyframes ctaGlow { 0%,100% { box-shadow: 0 3px 0 rgba(0,0,0,0.10); } 50% { box-shadow: 0 8px 26px rgba(192,57,43,0.34); } }

.result-btn, .action-btn, .auth-tab, .mix-btn, .tool-btn {
  transition: transform .14s, border-color .15s, color .15s, background .15s, box-shadow .2s;
}
.result-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0,0,0,0.08); }
.result-btn.primary:hover { box-shadow: 0 8px 22px rgba(192,57,43,0.30); }
.result-btn:active, .action-btn:active, .tool-btn:active, .mix-btn:active, .auth-tab:active { transform: scale(0.95); }
.action-btn:hover { transform: translateY(-2px); }
.action-btn.primary:hover { box-shadow: 0 6px 16px rgba(192,57,43,0.30); }
.mix-btn:hover { transform: translateY(-1px); }

.palette-slot { transition: transform .12s, border-color .12s, box-shadow .14s; }
.palette-slot:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.20); }
.palette-slot.active { animation: pop .28s ease; }
.tool-btn:hover { transform: translateY(-1px); }
.selected-color-swatch { transition: background .25s, transform .2s; }
.mix-result { transition: background .3s, transform .2s; }

#result-screen.active .result-canvas-block,
#result-screen.active .score-card,
#profile-screen.active .score-card,
#profile-screen.active .ach,
#gallery-screen.active .gallery-item { animation: riseIn .55s cubic-bezier(.2,.7,.2,1) both; }
#result-screen.active .result-canvas-block:nth-child(2) { animation-delay: .08s; }
#result-screen.active .result-canvas-block:nth-child(3) { animation-delay: .16s; }
#result-screen.active .score-card:nth-child(1) { animation-delay: .18s; }
#result-screen.active .score-card:nth-child(2) { animation-delay: .26s; }
#result-screen.active .score-card:nth-child(3) { animation-delay: .34s; }
.ach { transition: transform .14s, border-color .15s, box-shadow .15s; }
.ach.got:hover { transform: translateY(-2px) scale(1.03); box-shadow: 0 6px 14px rgba(0,0,0,0.10); }

.profile-actions { display: flex; gap: 0.5rem; flex-shrink: 0; }

@media (max-width: 620px) {
  .hero { flex-direction: column; text-align: center; gap: 1rem; }
  .hero-blurb { max-width: none; }
  .topbar { justify-content: center; }
  .start-panel { padding: 1.6rem 1.3rem; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal, .hero-mascot, .big-logo span, .blob, .start-btn.cta, .start-btn.cta::after,
  .pupil, #start-screen .opt-btn.selected, .palette-slot.active,
  #result-screen.active .result-canvas-block, #result-screen.active .score-card,
  #profile-screen.active .score-card, #profile-screen.active .ach,
  #gallery-screen.active .gallery-item { animation: none !important; }
  .reveal { opacity: 1; transform: none; }
}

#auth-screen { position: relative; overflow: hidden; padding: 2.5rem 1.5rem; align-items: center; justify-content: center; }
#auth-screen::before {
  content: ''; position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.6;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(180,170,155,0.12) 39px, rgba(180,170,155,0.12) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(180,170,155,0.08) 39px, rgba(180,170,155,0.08) 40px);
}

.auth-stage { position: relative; z-index: 1; width: 100%; max-width: 940px; margin: 0 auto;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 2.8rem; align-items: center; }

.auth-hero { text-align: left; }
.auth-hero .hero-mascot { display: inline-block; margin-bottom: 1rem; }
.auth-hero .hero-mascot .logo-mark { width: clamp(110px, 14vw, 160px); }
.auth-hero .tagline { margin-bottom: 0.7rem; }
.auth-hero .hero-blurb { font-family: 'Lato', sans-serif; font-size: 1rem; color: var(--ink2); line-height: 1.5; max-width: 36ch; }

.auth-card {
  background: var(--paper); border: 1.5px solid var(--border); border-radius: 10px;
  padding: 2.4rem; box-shadow: 12px 12px 0 rgba(0,0,0,0.05); text-align: left;
}
.auth-card-title { font-family: 'Playfair Display', serif; font-size: 1.5rem; font-weight: 700; color: var(--ink); margin-bottom: 1.4rem; }

.auth-tab { transition: transform .14s, border-color .15s, color .15s, background .15s; }
.auth-tab:active { transform: scale(0.96); }

.auth-input { transition: border-color .2s, box-shadow .2s, background .2s; }
.auth-input:focus { outline: none; border-color: var(--accent); background: #fff; box-shadow: 0 0 0 3px rgba(192,57,43,0.12); }

@media (max-width: 760px) {
  .auth-stage { grid-template-columns: 1fr; gap: 1.6rem; }
  .auth-hero { text-align: center; }
  .auth-hero .hero-blurb { max-width: none; margin-left: auto; margin-right: auto; }
}

body::before {
  content: ''; position: fixed; inset: -20%; z-index: -2; pointer-events: none;
  background:
    radial-gradient(40vmax 40vmax at 15% 18%, rgba(192,57,43,0.13), transparent 60%),
    radial-gradient(42vmax 42vmax at 85% 28%, rgba(45,84,216,0.12), transparent 60%),
    radial-gradient(38vmax 38vmax at 78% 86%, rgba(91,42,134,0.12), transparent 60%),
    radial-gradient(40vmax 40vmax at 22% 82%, rgba(230,126,34,0.12), transparent 60%);
  animation: bgshift 32s ease-in-out infinite alternate;
}
@keyframes bgshift { from { transform: translate(0,0) scale(1) rotate(0); } to { transform: translate(2%, -2%) scale(1.08) rotate(2deg); } }

body::after {
  content: ''; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.45;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(180,170,155,0.10) 39px, rgba(180,170,155,0.10) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(180,170,155,0.07) 39px, rgba(180,170,155,0.07) 40px);
}

#result-screen, #profile-screen, #gallery-screen {
  align-items: center; justify-content: flex-start;
  padding: 2.5rem 1.5rem; overflow: auto; position: relative;
}
#preview-screen { position: relative; }

#result-screen .result-card,
#profile-screen .result-card,
#gallery-screen .result-card {
  border-radius: 8px;
  box-shadow: 10px 10px 0 rgba(0,0,0,0.05);
}

#result-screen.active .result-card,
#profile-screen.active .result-card,
#gallery-screen.active .result-card,
#preview-screen.active .preview-layout {
  animation: riseIn 0.55s cubic-bezier(.2,.7,.2,1) both;
}

#preview-screen .preview-canvas-wrap {
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.10);
  transition: transform .3s;
}
.preview-timer { display: inline-block; animation: tick 1.1s ease-in-out infinite; }
@keyframes tick { 0%,100% { transform: scale(1); } 50% { transform: scale(1.07); } }

#game-screen.active .game-layout { animation: riseIn 0.5s ease both; }

@media (prefers-reduced-motion: reduce) {
  body::before, .preview-timer,
  #result-screen.active .result-card, #profile-screen.active .result-card,
  #gallery-screen.active .result-card, #preview-screen.active .preview-layout,
  #game-screen.active .game-layout { animation: none !important; }
}

body::before {
  background:
    radial-gradient(38vmax 38vmax at 12% 14%, rgba(192,57,43,0.22), transparent 62%),
    radial-gradient(40vmax 40vmax at 88% 24%, rgba(45,84,216,0.20), transparent 62%);
  animation: bgDriftA 26s ease-in-out infinite alternate;
}
html::before {
  content: ''; position: fixed; inset: -20%; z-index: -2; pointer-events: none;
  background:
    radial-gradient(42vmax 42vmax at 82% 86%, rgba(91,42,134,0.20), transparent 62%),
    radial-gradient(38vmax 38vmax at 16% 84%, rgba(230,126,34,0.20), transparent 62%);
  animation: bgDriftB 31s ease-in-out infinite alternate;
}
@keyframes bgDriftA { from { transform: translate(0,0) scale(1); }   to { transform: translate(6%, 4%) scale(1.16); } }
@keyframes bgDriftB { from { transform: translate(0,0) scale(1); }   to { transform: translate(-5%,-4%) scale(1.13); } }

.gallery-item { transition: transform .16s cubic-bezier(.2,.7,.2,1), box-shadow .2s, border-color .16s; }
.gallery-item:hover { transform: translateY(-5px) scale(1.035); box-shadow: 0 12px 26px rgba(0,0,0,0.16); border-color: var(--accent); }
.gallery-canvas { box-shadow: inset 0 0 0 1px rgba(0,0,0,0.05); }
.gi-score { color: var(--accent); font-weight: 700; }

.daily-line { transition: background .12s; }
.daily-line:hover { background: rgba(0,0,0,0.025); }

@media (prefers-reduced-motion: reduce) {
  html::before { animation: none !important; }
}

#collab-screen { align-items: center; justify-content: flex-start; padding: 2rem 1.5rem; overflow: auto; position: relative; }
.collab-wrap { position: relative; z-index: 1; width: 100%; max-width: 920px; margin: 0 auto;
  background: var(--paper); border: 1.5px solid var(--border); border-radius: 8px; padding: 1.6rem 1.8rem;
  box-shadow: 10px 10px 0 rgba(0,0,0,0.05); animation: riseIn .5s cubic-bezier(.2,.7,.2,1) both; }

.collab-bar { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.3rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.collab-room { font-family: 'DM Mono', monospace; font-size: 0.78rem; color: var(--ink3); margin-top: 0.2rem; }
.collab-actions { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.collab-online { font-family: 'DM Mono', monospace; font-size: 0.78rem; color: #27ae60; margin-right: 0.3rem; white-space: nowrap; }

.collab-stage { display: flex; gap: 1.6rem; align-items: flex-start; flex-wrap: wrap; }
.collab-canvas-wrap { position: relative; flex-shrink: 0; border: 1.5px solid var(--border); border-radius: 4px; box-shadow: 0 8px 24px rgba(0,0,0,0.10); line-height: 0; }
#collab-canvas { display: block; image-rendering: pixelated; cursor: crosshair; background: #f9f5ee; border-radius: 3px; }
#collab-cursors { position: absolute; inset: 0; pointer-events: none; }

.collab-side { flex: 1; min-width: 200px; }
.collab-palette { display: grid; grid-template-columns: repeat(8, 1fr); gap: 6px; margin-bottom: 1rem; }
.collab-swatch { width: 100%; aspect-ratio: 1; border: 1.5px solid var(--border); border-radius: 4px; cursor: pointer; padding: 0; transition: transform .12s, box-shadow .12s, border-color .12s; }
.collab-swatch:hover { transform: translateY(-2px) scale(1.08); box-shadow: 0 4px 10px rgba(0,0,0,0.2); }
.collab-swatch.active { border-color: var(--ink); box-shadow: 0 0 0 2px var(--ink); transform: scale(1.06); }
.collab-color-input { grid-column: span 8; width: 100%; height: 34px; border: 1.5px dashed var(--border); border-radius: 4px; background: transparent; cursor: pointer; margin-top: 2px; }
.collab-hint { font-family: 'DM Mono', monospace; font-size: 0.74rem; color: var(--ink3); line-height: 1.5; }

@media (max-width: 760px) { .collab-stage { flex-direction: column; align-items: center; } }
@media (prefers-reduced-motion: reduce) { .collab-wrap { animation: none !important; } }

.canvas-header-right { display: flex; align-items: center; gap: 0.9rem; }
.coop-online {
  font-family: 'DM Mono', monospace; font-size: 0.78rem; color: #27ae60; white-space: nowrap;
  padding: 0.2rem 0.55rem; border: 1px solid rgba(39,174,96,0.35); border-radius: 999px; background: rgba(39,174,96,0.08);
  animation: pulseLive 2s ease-in-out infinite;
}
@keyframes pulseLive { 0%,100% { box-shadow: 0 0 0 0 rgba(39,174,96,0.25); } 50% { box-shadow: 0 0 0 5px rgba(39,174,96,0); } }

.modal-overlay {
  position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center;
  background: rgba(26,23,20,0.45); backdrop-filter: blur(3px); padding: 1.5rem;
  animation: fadeIn .2s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-card {
  background: var(--paper); border: 1.5px solid var(--border); border-radius: 10px;
  padding: 2rem 2.2rem; max-width: 440px; width: 100%;
  box-shadow: 0 24px 60px rgba(0,0,0,0.30); animation: riseIn .35s cubic-bezier(.2,.7,.2,1) both;
}
.modal-title { font-family: 'Playfair Display', serif; font-weight: 700; font-size: 1.6rem; color: var(--ink); margin-bottom: 0.7rem; }
.modal-text { font-family: 'Lato', sans-serif; font-size: 0.98rem; color: var(--ink2); line-height: 1.55; margin-bottom: 1.6rem; }
.modal-actions { display: flex; justify-content: flex-end; gap: 0.6rem; }

@media (prefers-reduced-motion: reduce) { .coop-online, .modal-overlay, .modal-card { animation: none !important; } }

.result-author { font-family: 'DM Mono', monospace; font-size: 0.82rem; color: var(--ink3); margin: 0.2rem 0 1.6rem; }
.result-author a { color: var(--accent); text-decoration: none; border-bottom: 1px dotted var(--accent); }
.result-author a:hover { color: #a93226; }

#tool-eyedrop.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.modal-modes { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem; margin-bottom: 1.2rem; }
.mode-card { display: flex; flex-direction: column; align-items: flex-start; gap: 0.25rem; text-align: left;
  padding: 1rem; border: 1.5px solid var(--border); border-radius: 8px; background: var(--canvas-bg); cursor: pointer;
  transition: transform .14s, border-color .14s, box-shadow .14s; }
.mode-card:hover { transform: translateY(-3px); border-color: var(--ink); box-shadow: 0 8px 18px rgba(0,0,0,0.10); }
.mode-emoji { font-size: 1.8rem; line-height: 1; }
.mode-name { font-family: 'Playfair Display', serif; font-weight: 700; font-size: 1.15rem; color: var(--ink); }
.mode-desc { font-family: 'DM Mono', monospace; font-size: 0.72rem; color: var(--ink3); line-height: 1.4; }
@media (max-width: 520px) { .modal-modes { grid-template-columns: 1fr; } }

#duel-screen { align-items: center; justify-content: flex-start; padding: 2.5rem 1.5rem; overflow: auto; position: relative; }
.duel-card { max-width: 900px; border-radius: 8px; box-shadow: 10px 10px 0 rgba(0,0,0,0.05); }
#duel-screen.active .duel-card { animation: riseIn .5s cubic-bezier(.2,.7,.2,1) both; }
.duel-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.2rem; margin: 1.4rem 0; }
.duel-player { border: 1.5px solid var(--border); border-radius: 8px; padding: 1rem; background: var(--canvas-bg); transition: border-color .2s, box-shadow .2s; }
.duel-player.winner { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(192,57,43,0.25), 0 10px 24px rgba(192,57,43,0.15); }
.duel-name { font-family: 'Playfair Display', serif; font-weight: 700; font-size: 1.2rem; color: var(--ink); margin-bottom: 0.7rem; }
.duel-cans { display: flex; gap: 0.8rem; }
.duel-cblock { flex: 1; }
.duel-canvas { display: block; width: 100%; image-rendering: pixelated; border: 1px solid var(--border); border-radius: 4px; }
.duel-scores { display: flex; gap: 1.2rem; margin-top: 0.7rem; font-family: 'DM Mono', monospace; font-size: 0.82rem; color: var(--ink2); }
.duel-scores b { color: var(--ink); }
#duel-winner { font-family: 'DM Mono', monospace; font-size: 0.95rem; color: var(--accent); }

.hint-count { display: inline-block; background: var(--accent); color: #fff; font-family: 'DM Mono', monospace; font-size: 0.62rem; font-weight: 700; padding: 0 5px; border-radius: 999px; vertical-align: middle; }

.swatch-pop { animation: swatchPop .4s cubic-bezier(.2,.9,.3,1.3); }
@keyframes swatchPop { 0% { transform: scale(0.2); opacity: 0; } 70% { transform: scale(1.18); } 100% { transform: scale(1); opacity: 1; } }

.sound-toggle { background: none; border: none; cursor: pointer; font-size: 1.05rem; line-height: 1; padding: 2px 4px; border-radius: 4px; transition: transform .12s, background .12s; }
.sound-toggle:hover { transform: scale(1.15); background: rgba(0,0,0,0.05); }

@media (prefers-reduced-motion: reduce) { .swatch-pop, #duel-screen.active .duel-card { animation: none !important; } }

@media (max-width: 760px) {
  #canvas-wrapper { width: 100%; max-width: 100%; overflow: hidden; }
  #game-canvas, #peek-overlay, #coop-cursors { width: 100% !important; height: auto !important; }
  #preview-canvas, #result-original, #result-painted, #result-diff, .duel-canvas, #collab-canvas, #collab-cursors { max-width: 100%; height: auto; }
  #game-screen { overflow-y: auto; }
  .game-layout { flex-direction: column; }
}