/* ═══════════════════════════════════════════════════════════════
   PRISM · Theme Fusion Lab
   NEON NOSTALGIA · Synthwave skin · Mobile-first
   ═══════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Synthwave palette — the app's own theme */
  --nn-bg-1:        #0a0014;
  --nn-bg-2:        #14002a;
  --nn-bg-3:        #1a0033;
  --nn-magenta:     #ff10f0;
  --nn-pink:        #ff3aa3;
  --nn-cyan:        #00f0ff;
  --nn-purple:      #b300ff;
  --nn-yellow:      #fef200;
  --nn-orange:      #ff6e00;

  --nn-panel:       rgba(20, 0, 50, 0.55);
  --nn-panel-hi:    rgba(40, 10, 80, 0.7);
  --nn-stroke:      rgba(255, 16, 240, 0.35);
  --nn-stroke-hi:   #ff10f0;

  --nn-text:        #f8e8ff;
  --nn-text-dim:    rgba(248, 232, 255, 0.65);
  --nn-text-mute:   rgba(248, 232, 255, 0.45);

  --nn-accent:      var(--nn-cyan);
  --nn-accent-2:    var(--nn-magenta);

  /* Type scale */
  --fs-xs: 0.72rem;
  --fs-sm: 0.85rem;
  --fs-md: 1rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.7rem;
  --fs-2xl: 2.4rem;
  --fs-3xl: 3.4rem;

  /* Display fonts */
  --font-display: 'Monoton', 'Audiowide', cursive;
  --font-heading: 'Audiowide', 'Space Grotesk', sans-serif;
  --font-serif:   'Fraunces', Georgia, serif;
  --font-body:    'Space Grotesk', -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', ui-monospace, monospace;

  /* Motion */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.65, 0, 0.35, 1);

  /* Glow tokens */
  --glow-magenta: 0 0 8px #ff10f0, 0 0 24px rgba(255, 16, 240, 0.5);
  --glow-cyan:    0 0 8px #00f0ff, 0 0 24px rgba(0, 240, 255, 0.5);
  --glow-soft:    0 0 12px rgba(255, 16, 240, 0.4);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

html, body { height: 100%; }

body {
  font-family: var(--font-body);
  font-size: var(--fs-md);
  line-height: 1.55;
  color: var(--nn-text);
  background:
    radial-gradient(ellipse 100% 60% at 50% 80%, rgba(255, 16, 240, 0.15), transparent 60%),
    radial-gradient(ellipse 80% 50% at 50% 0%,    rgba(179, 0, 255, 0.18), transparent 60%),
    linear-gradient(180deg, var(--nn-bg-1) 0%, var(--nn-bg-2) 50%, var(--nn-bg-3) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ═══════════════════════════════════════════════════════════════
   ATMOSPHERE — sun, grid floor, scanlines, vignette
   ═══════════════════════════════════════════════════════════════ */

.atmosphere {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

/* Glowing sun on the horizon */
.sun {
  position: absolute;
  width: 60vw;
  max-width: 520px;
  aspect-ratio: 1;
  left: 50%;
  top: 38%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%,
      #fef200 0%,
      #ff6e00 25%,
      #ff10f0 55%,
      transparent 75%);
  filter: blur(2px);
  opacity: 0.85;
  animation: sunPulse 4s ease-in-out infinite;
}

.sun::before {
  /* horizontal slice lines through the sun */
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: repeating-linear-gradient(
    180deg,
    transparent 0,
    transparent 14px,
    var(--nn-bg-1) 14px,
    var(--nn-bg-1) 18px
  );
  mask-image: linear-gradient(180deg, transparent 40%, black 50%, black 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 40%, black 50%, black 100%);
}

.sun::after {
  /* outer halo */
  content: '';
  position: absolute;
  inset: -30%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 16, 240, 0.25), transparent 60%);
  z-index: -1;
}

@keyframes sunPulse {
  0%, 100% { filter: blur(2px) brightness(1); }
  50%      { filter: blur(2px) brightness(1.15); }
}

/* Perspective grid floor */
.grid-floor {
  position: absolute;
  bottom: -10%;
  left: -50%;
  width: 200%;
  height: 60%;
  background-image:
    linear-gradient(var(--nn-magenta) 2px, transparent 2px),
    linear-gradient(90deg, var(--nn-magenta) 2px, transparent 2px);
  background-size: 60px 60px;
  transform: perspective(400px) rotateX(60deg);
  transform-origin: 50% 0;
  opacity: 0.55;
  mask-image: linear-gradient(180deg,
    transparent 0%,
    rgba(0,0,0,0.4) 20%,
    black 50%,
    black 80%,
    transparent 100%);
  -webkit-mask-image: linear-gradient(180deg,
    transparent 0%,
    rgba(0,0,0,0.4) 20%,
    black 50%,
    black 80%,
    transparent 100%);
  filter: drop-shadow(0 0 6px rgba(255, 16, 240, 0.6));
  animation: gridScroll 6s linear infinite;
}

@keyframes gridScroll {
  from { background-position: 0 0; }
  to   { background-position: 0 60px; }
}

/* Star pinpricks */
.stars {
  position: absolute;
  inset: 0 0 50% 0;
  background-image:
    radial-gradient(1px 1px at 10% 20%, white, transparent),
    radial-gradient(1px 1px at 25% 60%, white, transparent),
    radial-gradient(1px 1px at 40% 15%, white, transparent),
    radial-gradient(1px 1px at 55% 50%, white, transparent),
    radial-gradient(1px 1px at 65% 25%, white, transparent),
    radial-gradient(1px 1px at 75% 70%, white, transparent),
    radial-gradient(1px 1px at 85% 35%, white, transparent),
    radial-gradient(1px 1px at 92% 60%, white, transparent),
    radial-gradient(1px 1px at 15% 80%, white, transparent),
    radial-gradient(1px 1px at 35% 30%, white, transparent),
    radial-gradient(2px 2px at 50% 10%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(2px 2px at 80% 12%, rgba(0, 240, 255, 0.7), transparent);
  opacity: 0.7;
  animation: starTwinkle 4s ease-in-out infinite;
}

@keyframes starTwinkle {
  0%, 100% { opacity: 0.7; }
  50%      { opacity: 0.4; }
}

/* CRT scanlines across whole viewport */
.scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15) 0px,
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: multiply;
  z-index: 5;
}

/* Subtle vignette */
.vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 80% at 50% 50%,
    transparent 40%,
    rgba(10, 0, 20, 0.6) 100%);
  z-index: 4;
}

/* ═══════════════════════════════════════════════════════════════
   NEON PANEL PRIMITIVE
   ═══════════════════════════════════════════════════════════════ */

.neon-panel {
  background: var(--nn-panel);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  border: 1px solid var(--nn-stroke);
  border-radius: var(--radius-md);
  box-shadow:
    0 0 0 1px rgba(255, 16, 240, 0.12) inset,
    0 0 24px rgba(255, 16, 240, 0.15),
    0 8px 32px rgba(0, 0, 0, 0.5);
  position: relative;
}

.neon-panel::before {
  /* faint inner glow stripe at top */
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    var(--nn-magenta),
    var(--nn-cyan),
    transparent);
  opacity: 0.6;
  pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════════
   TOPBAR
   ═══════════════════════════════════════════════════════════════ */

.topbar {
  position: sticky;
  top: 12px;
  z-index: 50;
  margin: 12px;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Stacked chevron logo */
.brand-mark {
  width: 36px;
  height: 36px;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 3px;
}

.chev {
  display: block;
  width: 100%;
  height: 5px;
  border-radius: 1px;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 50%, calc(100% - 8px) 100%, 0 100%, 8px 50%);
}

.chev-1 { background: var(--nn-cyan);    box-shadow: var(--glow-cyan); }
.chev-2 { background: var(--nn-magenta); box-shadow: var(--glow-magenta); animation: chevPulse 2s ease-in-out infinite; }
.chev-3 { background: var(--nn-purple);  box-shadow: 0 0 8px var(--nn-purple), 0 0 24px rgba(179, 0, 255, 0.5); }

@keyframes chevPulse {
  0%, 100% { transform: translateX(0); }
  50%      { transform: translateX(3px); }
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  line-height: 1;
  color: var(--nn-magenta);
  text-shadow:
    0 0 4px var(--nn-magenta),
    0 0 12px var(--nn-magenta),
    0 0 24px rgba(255, 16, 240, 0.6);
}

.brand-text p {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--nn-cyan);
  margin-top: 4px;
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.6);
}

.topbar-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--nn-cyan);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.6);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--nn-cyan);
  box-shadow: 0 0 10px var(--nn-cyan), 0 0 20px var(--nn-cyan);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.85); }
}

/* ═══════════════════════════════════════════════════════════════
   LAB LAYOUT
   ═══════════════════════════════════════════════════════════════ */

.lab {
  position: relative;
  z-index: 10;
  padding: 12px;
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ═══════════════════════════════════════════════════════════════
   CONTROL PANEL
   ═══════════════════════════════════════════════════════════════ */

.control { padding: 24px 20px; }

.control-header { margin-bottom: 24px; }

.kicker {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--nn-cyan);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  display: block;
  margin-bottom: 10px;
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.6);
}

.control-title {
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 1.2;
  margin-bottom: 12px;
  color: var(--nn-text);
}

.control-title em {
  font-style: normal;
  color: var(--nn-magenta);
  text-shadow:
    0 0 8px var(--nn-magenta),
    0 0 20px rgba(255, 16, 240, 0.7);
}

.control-sub {
  color: var(--nn-text-dim);
  font-size: var(--fs-sm);
  max-width: 60ch;
}

.selectors {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 18px;
}

.selector { position: relative; }

/* When a dropdown is open, lift its parent above sibling lab sections
   so the menu can render on top of the preview and code panels below */
.selector:has(.dropdown-menu.is-open) {
  z-index: 200;
}
/* Fallback for browsers without :has() — JS adds .selector-open */
.selector.selector-open {
  z-index: 200;
}

/* Ensure the control panel beats the split + tokenstrip when any dropdown is up */
.control:has(.dropdown-menu.is-open),
.control.has-open-dropdown {
  z-index: 150;
  position: relative;
}

.selector-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--nn-text-mute);
  margin-bottom: 8px;
}

.big-letter {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.1rem;
  color: var(--nn-magenta);
  text-shadow: 0 0 8px var(--nn-magenta);
  margin-left: 4px;
}

/* DROPDOWN TRIGGER */
.dropdown-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(20, 0, 40, 0.6);
  border: 1px solid var(--nn-stroke);
  border-radius: var(--radius-md);
  color: var(--nn-text);
  font: inherit;
  font-size: var(--fs-md);
  text-align: left;
  cursor: pointer;
  transition: all 0.3s var(--ease-smooth);
  backdrop-filter: blur(8px);
}

.dropdown-trigger:hover {
  background: var(--nn-panel-hi);
  border-color: var(--nn-cyan);
  transform: translateY(-1px);
  box-shadow: 0 0 0 1px var(--nn-cyan), 0 8px 24px rgba(0, 240, 255, 0.25);
}

.dropdown-trigger[aria-expanded="true"] {
  border-color: var(--nn-magenta);
  box-shadow: 0 0 0 1px var(--nn-magenta), 0 0 20px rgba(255, 16, 240, 0.4);
  background: var(--nn-panel-hi);
}

.dropdown-swatch {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--nn-magenta), var(--nn-cyan));
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.2), 0 0 12px rgba(255, 16, 240, 0.4);
  transition: background 0.5s var(--ease-smooth);
}

.dropdown-current {
  flex: 1;
  font-weight: 500;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
}

.dropdown-arrow {
  color: var(--nn-cyan);
  font-size: 0.8em;
  transition: transform 0.3s var(--ease-spring);
  text-shadow: 0 0 6px var(--nn-cyan);
}

.dropdown-trigger[aria-expanded="true"] .dropdown-arrow {
  transform: rotate(180deg);
}

/* DROPDOWN MENU */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  list-style: none;
  background: rgba(15, 0, 30, 0.92);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--nn-magenta);
  border-radius: var(--radius-md);
  padding: 6px;
  max-height: 340px;
  overflow-y: auto;
  z-index: 100;
  box-shadow:
    0 0 0 1px rgba(255, 16, 240, 0.2) inset,
    0 0 24px rgba(255, 16, 240, 0.4),
    0 20px 60px rgba(0, 0, 0, 0.7);
  opacity: 0;
  transform: translateY(-8px) scale(0.97);
  pointer-events: none;
  transition:
    opacity 0.25s var(--ease-smooth),
    transform 0.3s var(--ease-spring);
}

.dropdown-menu.is-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.dropdown-menu::-webkit-scrollbar { width: 8px; }
.dropdown-menu::-webkit-scrollbar-track { background: transparent; }
.dropdown-menu::-webkit-scrollbar-thumb {
  background: var(--nn-stroke);
  border-radius: 4px;
}

/* DROPDOWN GROUPS */
.dropdown-group-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--nn-cyan);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  padding: 10px 12px 6px;
  border-top: 1px solid rgba(255, 16, 240, 0.15);
  text-shadow: 0 0 6px rgba(0, 240, 255, 0.5);
}
.dropdown-group-label:first-child { border-top: none; }

/* DROPDOWN ITEMS — neon color swap on hover */
.dropdown-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition:
    color 0.35s var(--ease-smooth),
    transform 0.2s var(--ease-spring);
  user-select: none;
  opacity: 0;
  animation: itemIn 0.35s var(--ease-spring) forwards;
}

@keyframes itemIn {
  from { opacity: 0; transform: translateX(-12px); }
  to   { opacity: 1; transform: translateX(0); }
}

.dropdown-item::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg,
    var(--swatch-a, var(--nn-magenta)),
    var(--swatch-b, var(--nn-cyan)));
  opacity: 0;
  transition: opacity 0.3s var(--ease-smooth);
  z-index: 0;
  border-radius: inherit;
}

.dropdown-item:hover::before,
.dropdown-item.is-focused::before {
  opacity: 1;
}

.dropdown-item:hover,
.dropdown-item.is-focused {
  color: #0a0014;
  transform: translateX(2px);
  box-shadow: 0 0 16px rgba(255, 16, 240, 0.5);
}

.dropdown-item > * {
  position: relative;
  z-index: 1;
}

.dropdown-item-swatch {
  width: 18px;
  height: 18px;
  border-radius: 3px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--swatch-a), var(--swatch-b));
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.25), 0 0 8px rgba(255, 16, 240, 0.35);
}

.dropdown-item-name {
  flex: 1;
  font-size: var(--fs-sm);
  font-weight: 500;
  font-family: var(--font-mono);
}

.dropdown-item-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  opacity: 0.6;
}

.dropdown-item.is-active {
  background: rgba(255, 16, 240, 0.12);
  color: var(--nn-magenta);
  text-shadow: 0 0 6px var(--nn-magenta);
}

.dropdown-item.is-active::after {
  content: '►';
  position: absolute;
  right: 12px;
  z-index: 2;
  font-size: 0.75rem;
}

/* ═══════════════════════════════════════════════════════════════
   RATIO CONTROL
   ═══════════════════════════════════════════════════════════════ */

.ratio-control {
  padding: 14px 16px;
  background: rgba(20, 0, 40, 0.6);
  border: 1px solid var(--nn-stroke);
  border-radius: var(--radius-md);
  backdrop-filter: blur(8px);
}

.ratio-label {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--nn-text-mute);
  margin-bottom: 12px;
}

.ratio-label output {
  color: var(--nn-cyan);
  font-weight: 700;
  font-size: var(--fs-sm);
  letter-spacing: 0.05em;
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.6);
}

input[type="range"]#ratio {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg,
    var(--nn-cyan) 0%,
    var(--nn-magenta) 50%,
    var(--nn-purple) 100%);
  border-radius: 999px;
  outline: none;
  cursor: pointer;
  box-shadow: 0 0 12px rgba(255, 16, 240, 0.3);
}

input[type="range"]#ratio::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--nn-text);
  border: 3px solid var(--nn-bg-1);
  cursor: grab;
  box-shadow:
    0 0 0 2px var(--nn-magenta),
    0 0 16px var(--nn-magenta),
    0 0 32px rgba(255, 16, 240, 0.6);
  transition: transform 0.2s var(--ease-spring);
}

input[type="range"]#ratio::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

input[type="range"]#ratio::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--nn-text);
  border: 3px solid var(--nn-bg-1);
  cursor: grab;
  box-shadow:
    0 0 0 2px var(--nn-magenta),
    0 0 16px var(--nn-magenta);
}

.ratio-track-marks {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--nn-text-mute);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ═══════════════════════════════════════════════════════════════
   BRAND INPUT
   ═══════════════════════════════════════════════════════════════ */

.brand-input { margin-bottom: 18px; }

.brand-input label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--nn-text-mute);
  margin-bottom: 8px;
}

.brand-input input {
  width: 100%;
  padding: 14px 16px;
  background: rgba(20, 0, 40, 0.6);
  border: 1px solid var(--nn-stroke);
  border-radius: var(--radius-md);
  color: var(--nn-magenta);
  font: inherit;
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  letter-spacing: 0.06em;
  transition: all 0.25s var(--ease-smooth);
  backdrop-filter: blur(8px);
  text-shadow: 0 0 8px var(--nn-magenta), 0 0 16px rgba(255, 16, 240, 0.6);
}

.brand-input input:focus {
  outline: none;
  border-color: var(--nn-cyan);
  box-shadow: 0 0 0 1px var(--nn-cyan), 0 0 20px rgba(0, 240, 255, 0.4);
}

.brand-input small {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-xs);
  color: var(--nn-text-mute);
}

.brand-input code {
  font-family: var(--font-mono);
  font-size: 0.78em;
  padding: 1px 5px;
  background: rgba(0, 240, 255, 0.12);
  color: var(--nn-cyan);
  border-radius: 3px;
  text-shadow: 0 0 6px rgba(0, 240, 255, 0.5);
}

/* ═══════════════════════════════════════════════════════════════
   ACTIONS — neon buttons
   ═══════════════════════════════════════════════════════════════ */

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn {
  position: relative;
  overflow: hidden;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--nn-stroke);
  background: rgba(20, 0, 40, 0.5);
  color: var(--nn-text);
  font: inherit;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-sm);
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: all 0.3s var(--ease-spring);
  backdrop-filter: blur(8px);
}

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--nn-cyan);
  box-shadow: 0 0 0 1px var(--nn-cyan), 0 0 20px rgba(0, 240, 255, 0.4);
  color: var(--nn-cyan);
  text-shadow: 0 0 6px var(--nn-cyan);
}

.btn:active { transform: translateY(0); }

.btn-primary {
  background: linear-gradient(135deg, var(--nn-magenta), var(--nn-purple));
  color: var(--nn-text);
  border-color: var(--nn-magenta);
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.6);
  box-shadow:
    0 0 0 1px var(--nn-magenta),
    0 0 20px rgba(255, 16, 240, 0.5),
    0 8px 24px rgba(255, 16, 240, 0.35);
}

.btn-primary:hover {
  border-color: var(--nn-cyan);
  box-shadow:
    0 0 0 1px var(--nn-cyan),
    0 0 28px rgba(255, 16, 240, 0.7),
    0 12px 32px rgba(0, 240, 255, 0.5);
  color: var(--nn-text);
  text-shadow: 0 0 12px white;
  transform: translateY(-2px);
}

.btn-shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(110deg,
    transparent 35%,
    rgba(255,255,255,0.6) 50%,
    transparent 65%);
  pointer-events: none;
}

.btn-primary:hover .btn-shine {
  animation: shine 0.9s ease-out;
}

@keyframes shine {
  0%   { left: -100%; }
  100% { left: 100%; }
}

.btn-ghost {
  flex: 1;
  min-width: 130px;
}

/* ═══════════════════════════════════════════════════════════════
   SPLIT
   ═══════════════════════════════════════════════════════════════ */

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

/* PREVIEW */
.preview {
  padding: 0;
  overflow: hidden;
}

.preview-chrome {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--nn-stroke);
  background: rgba(0, 0, 0, 0.3);
}

.dots { display: flex; gap: 6px; }
.dots i {
  display: block;
  width: 10px; height: 10px;
  border-radius: 50%;
  box-shadow: 0 0 6px currentColor;
}
.dots i:nth-child(1) { background: #ff5f57; color: #ff5f57; }
.dots i:nth-child(2) { background: #febc2e; color: #febc2e; }
.dots i:nth-child(3) { background: #28c840; color: #28c840; }

.preview-url {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--nn-cyan);
  flex: 1;
  text-align: center;
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
}

.preview-stage {
  padding: 12px;
  min-height: 480px;
  display: grid;
  place-items: center;
  background:
    radial-gradient(ellipse at center, rgba(255, 16, 240, 0.05), transparent 70%);
}

/* MINI SITE — vars rewritten by JS */
.mini-site {
  --ms-bg:        #0e0e14;
  --ms-surface:   #1a1a24;
  --ms-text:      #f4f4f8;
  --ms-text-dim:  rgba(244, 244, 248, 0.6);
  --ms-accent:    #ff10f0;
  --ms-accent-2: #00f0ff;
  --ms-border:    rgba(255,255,255,0.1);
  --ms-radius:    14px;
  --ms-font:      'Fraunces', serif;
  --ms-font-body: 'Space Grotesk', sans-serif;
  --ms-shadow:    0 12px 40px rgba(0,0,0,0.3);
  --ms-letter-h:  -0.02em;
  --ms-letter-b:  0;
  --ms-uppercase: none;
  --ms-italic:    normal;

  width: 100%;
  max-width: 520px;
  background: var(--ms-bg);
  color: var(--ms-text);
  border-radius: var(--ms-radius);
  border: 1px solid var(--ms-border);
  box-shadow: var(--ms-shadow);
  overflow: hidden;
  font-family: var(--ms-font-body);
  transition:
    background 0.6s var(--ease-smooth),
    color 0.6s var(--ease-smooth),
    border-color 0.6s var(--ease-smooth),
    border-radius 0.6s var(--ease-spring),
    box-shadow 0.6s var(--ease-smooth);
}

.ms-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  border-bottom: 1px solid var(--ms-border);
  transition: border-color 0.6s var(--ease-smooth);
}

.ms-logo {
  width: 32px; height: 32px;
  display: grid;
  place-items: center;
  background: var(--ms-accent);
  color: var(--ms-bg);
  border-radius: 8px;
  font-family: var(--ms-font);
  font-weight: 800;
  font-style: var(--ms-italic);
  text-transform: var(--ms-uppercase);
  transition:
    background 0.6s var(--ease-smooth),
    color 0.6s var(--ease-smooth),
    border-radius 0.5s var(--ease-spring);
}

.ms-nav {
  display: flex;
  gap: 16px;
  font-size: var(--fs-xs);
  color: var(--ms-text-dim);
  text-transform: var(--ms-uppercase);
  letter-spacing: 0.1em;
  transition: color 0.6s var(--ease-smooth);
}

.ms-hero {
  padding: 32px 24px 24px;
  text-align: center;
}

.ms-kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--ms-accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin-bottom: 12px;
  transition: color 0.6s var(--ease-smooth);
}

.ms-title {
  font-family: var(--ms-font);
  font-size: clamp(2.5rem, 12vw, 4.5rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: var(--ms-letter-h);
  font-style: var(--ms-italic);
  text-transform: var(--ms-uppercase);
  margin-bottom: 14px;
  background: linear-gradient(135deg, var(--ms-text) 0%, var(--ms-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition:
    font-family 0.6s var(--ease-smooth),
    letter-spacing 0.6s var(--ease-smooth);
  word-break: break-word;
}

.ms-sub {
  color: var(--ms-text-dim);
  max-width: 36ch;
  margin: 0 auto 20px;
  font-size: var(--fs-sm);
  line-height: 1.55;
}

.ms-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.ms-btn {
  padding: 10px 18px;
  border-radius: calc(var(--ms-radius) * 0.7);
  border: 1px solid var(--ms-border);
  background: transparent;
  color: var(--ms-text);
  font: inherit;
  font-family: var(--ms-font-body);
  font-size: var(--fs-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s var(--ease-smooth);
  text-transform: var(--ms-uppercase);
  letter-spacing: var(--ms-letter-b);
}

.ms-btn-primary {
  background: var(--ms-accent);
  color: var(--ms-bg);
  border-color: var(--ms-accent);
}

.ms-btn:hover { transform: translateY(-1px); }

.ms-cards {
  padding: 16px 18px;
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}

.ms-card {
  padding: 14px;
  background: var(--ms-surface);
  border: 1px solid var(--ms-border);
  border-radius: calc(var(--ms-radius) * 0.7);
  transition:
    background 0.6s var(--ease-smooth),
    border-color 0.6s var(--ease-smooth),
    border-radius 0.6s var(--ease-spring);
}

.ms-card-num {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--ms-accent);
  letter-spacing: 0.1em;
  transition: color 0.6s var(--ease-smooth);
}

.ms-card h4 {
  font-family: var(--ms-font);
  font-size: var(--fs-md);
  font-weight: 700;
  font-style: var(--ms-italic);
  margin: 4px 0 6px;
}

.ms-card p {
  color: var(--ms-text-dim);
  font-size: var(--fs-sm);
}

.ms-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--ms-border);
  font-size: var(--fs-xs);
  color: var(--ms-text-dim);
  text-align: center;
  font-family: var(--font-mono);
  transition: color 0.6s var(--ease-smooth), border-color 0.6s var(--ease-smooth);
}

/* ═══════════════════════════════════════════════════════════════
   CODE PANEL
   ═══════════════════════════════════════════════════════════════ */

.codepanel {
  padding: 0;
  overflow: hidden;
  position: relative;
}

.codepanel-tabs {
  display: flex;
  border-bottom: 1px solid var(--nn-stroke);
  background: rgba(0, 0, 0, 0.3);
}

.codetab {
  flex: 1;
  padding: 12px 16px;
  background: transparent;
  border: none;
  color: var(--nn-text-mute);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  cursor: pointer;
  position: relative;
  transition: color 0.25s var(--ease-smooth);
}

.codetab:hover { color: var(--nn-cyan); text-shadow: 0 0 6px var(--nn-cyan); }
.codetab.active { color: var(--nn-magenta); text-shadow: 0 0 8px var(--nn-magenta); }

.codetab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--nn-magenta);
  box-shadow: 0 0 12px var(--nn-magenta), 0 0 24px var(--nn-magenta);
}

.codeblock {
  padding: 18px;
  overflow: auto;
  max-height: 480px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.65;
  background: rgba(0, 0, 0, 0.4);
}

.codeblock code {
  color: var(--nn-text);
  white-space: pre;
}

/* Neon syntax highlighting */
.tk-comment { color: var(--nn-text-mute); font-style: italic; }
.tk-prop    { color: var(--nn-magenta); text-shadow: 0 0 4px rgba(255, 16, 240, 0.4); }
.tk-val     { color: var(--nn-cyan);    text-shadow: 0 0 4px rgba(0, 240, 255, 0.4); }
.tk-str     { color: #fef200; text-shadow: 0 0 4px rgba(254, 242, 0, 0.4); }
.tk-key     { color: var(--nn-purple); }
.tk-num     { color: var(--nn-pink); }

.copy-flash {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 6px 12px;
  background: var(--nn-cyan);
  color: var(--nn-bg-1);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 700;
  border-radius: 3px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: all 0.3s var(--ease-spring);
  box-shadow: 0 0 16px var(--nn-cyan);
}

.copy-flash.show {
  opacity: 1;
  transform: translateY(0);
}

/* ═══════════════════════════════════════════════════════════════
   TOKEN STRIP
   ═══════════════════════════════════════════════════════════════ */

.tokenstrip { padding: 22px 20px; }
.ts-header { margin-bottom: 16px; }
.ts-header h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 400;
  margin-top: 4px;
  color: var(--nn-text);
  letter-spacing: 0.02em;
}

.ts-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.ts-block {
  padding: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--nn-stroke);
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
  overflow: hidden;
  min-height: 78px;
  transition: all 0.6s var(--ease-smooth);
}

.ts-block::before {
  content: '';
  position: absolute; inset: 0;
  background: var(--ts-color, rgba(20, 0, 40, 0.4));
  opacity: 0.85;
  z-index: 0;
  transition: background 0.6s var(--ease-smooth);
}

.ts-block > * { position: relative; z-index: 1; }

.ts-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.85);
  text-shadow: 0 1px 4px rgba(0,0,0,0.8), 0 0 8px rgba(255,255,255,0.2);
}

.ts-value {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: white;
  text-shadow: 0 1px 4px rgba(0,0,0,0.9), 0 0 12px rgba(255,255,255,0.3);
  word-break: break-all;
}

.ts-block-font::before {
  background: linear-gradient(135deg, var(--nn-magenta), var(--nn-purple));
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */

.footer {
  text-align: center;
  padding: 28px 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--nn-text-mute);
  line-height: 1.8;
}

.footer code {
  background: rgba(0, 240, 255, 0.12);
  color: var(--nn-cyan);
  padding: 1px 5px;
  border-radius: 3px;
  text-shadow: 0 0 6px rgba(0, 240, 255, 0.5);
}

/* ═══════════════════════════════════════════════════════════════
   LAYER HEADER (between brand input and extras)
   ═══════════════════════════════════════════════════════════════ */

.layer-header {
  margin: 22px 0 14px;
  padding-top: 18px;
  border-top: 1px dashed var(--nn-stroke);
}

.layer-sub {
  color: var(--nn-text-dim);
  font-size: var(--fs-sm);
  margin-top: 6px;
  max-width: 60ch;
}

.extras {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-bottom: 18px;
}

/* Font dropdown swatch — show "Aa" preview */
.dropdown-swatch-font,
.dropdown-swatch-anim {
  background: linear-gradient(135deg, var(--nn-cyan), var(--nn-magenta));
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 0.78rem;
  color: var(--nn-bg-1);
  font-weight: 700;
  text-shadow: 0 0 4px rgba(255,255,255,0.4);
}

/* font items: show font preview in their actual font */
.dropdown-item.font-item .dropdown-item-name {
  font-family: var(--item-font, inherit);
  font-size: var(--fs-md);
  letter-spacing: 0.02em;
}

/* anim items: show name with description below */
.dropdown-item.anim-item {
  flex-direction: column;
  align-items: stretch;
  gap: 2px;
  padding: 10px 12px;
}

.dropdown-item.anim-item .dropdown-item-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.dropdown-item.anim-item .dropdown-item-desc {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--nn-text-mute);
  letter-spacing: 0.02em;
  padding-left: 30px;
  margin-top: 1px;
  position: relative;
  z-index: 1;
}

.dropdown-item.anim-item:hover .dropdown-item-desc,
.dropdown-item.anim-item.is-focused .dropdown-item-desc {
  color: rgba(10, 0, 20, 0.75);
}

/* ═══════════════════════════════════════════════════════════════
   PREVIEW HINT
   ═══════════════════════════════════════════════════════════════ */

.preview-hint {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--nn-magenta);
  text-shadow: 0 0 6px rgba(255, 16, 240, 0.5);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity 0.3s var(--ease-smooth);
  white-space: nowrap;
}

.preview-hint.visible { opacity: 1; }

.mini-site.is-clickable {
  cursor: pointer;
}

.mini-site.is-clickable:hover {
  filter: brightness(1.05);
}

/* ═══════════════════════════════════════════════════════════════
   ANIMATION KEYFRAMES & UTILITY CLASSES
   ═══════════════════════════════════════════════════════════════ */

/* Each animation gets a class on .mini-site or its descendants.
   Animations re-trigger via remove → reflow → re-add pattern in JS. */

/* 01 · CARD FLIP — each card flips 180° to show its back */
.mini-site.anim-flip .ms-card {
  transform-style: preserve-3d;
  transition: transform 0.7s var(--ease-spring);
  position: relative;
  cursor: pointer;
}

.mini-site.anim-flip .ms-card-front,
.mini-site.anim-flip .ms-card-back {
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.mini-site.anim-flip .ms-card-back {
  position: absolute;
  inset: 14px;
  display: grid;
  place-items: center;
  text-align: center;
  transform: rotateY(180deg);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--ms-accent);
  letter-spacing: 0.08em;
  line-height: 1.6;
}

.mini-site.anim-flip .ms-card.is-flipped {
  transform: rotateY(180deg);
}

.mini-site.anim-flip .ms-card:hover {
  box-shadow: 0 0 24px rgba(255, 16, 240, 0.35);
}

/* 02 · BURST — cards burst outward from center then settle */
@keyframes burstOut {
  0%   { transform: translate(0, 0) scale(1); opacity: 1; }
  50%  { transform: translate(var(--burst-x, 0), var(--burst-y, 0)) scale(1.2); opacity: 0.7; }
  100% { transform: translate(0, 0) scale(1); opacity: 1; }
}
.mini-site.anim-burst .ms-card { animation: burstOut 0.8s var(--ease-spring); }
.mini-site.anim-burst .ms-card:nth-child(1) { --burst-x: -40px; --burst-y: -20px; }
.mini-site.anim-burst .ms-card:nth-child(2) { --burst-x:   0px; --burst-y: -30px; }
.mini-site.anim-burst .ms-card:nth-child(3) { --burst-x:  40px; --burst-y: -20px; }

/* 03 · SLIDE IN — hero + cards slide in from left with stagger */
@keyframes slideInLeft {
  from { transform: translateX(-60px); opacity: 0; }
  to   { transform: translateX(0);     opacity: 1; }
}
.mini-site.anim-slide .ms-hero    { animation: slideInLeft 0.6s var(--ease-smooth) both; }
.mini-site.anim-slide .ms-card    { animation: slideInLeft 0.6s var(--ease-smooth) both; }
.mini-site.anim-slide .ms-card:nth-child(1) { animation-delay: 0.1s; }
.mini-site.anim-slide .ms-card:nth-child(2) { animation-delay: 0.2s; }
.mini-site.anim-slide .ms-card:nth-child(3) { animation-delay: 0.3s; }

/* 04 · FADE IN UP — everything fades + rises */
@keyframes fadeInUp {
  from { transform: translateY(30px); opacity: 0; }
  to   { transform: translateY(0);    opacity: 1; }
}
.mini-site.anim-fade .ms-hero,
.mini-site.anim-fade .ms-cards,
.mini-site.anim-fade .ms-header,
.mini-site.anim-fade .ms-footer {
  animation: fadeInUp 0.7s var(--ease-smooth) both;
}
.mini-site.anim-fade .ms-header { animation-delay: 0.05s; }
.mini-site.anim-fade .ms-hero   { animation-delay: 0.15s; }
.mini-site.anim-fade .ms-cards  { animation-delay: 0.3s; }
.mini-site.anim-fade .ms-footer { animation-delay: 0.45s; }

/* 05 · LETTER DROP — title letters drop in from above */
@keyframes letterDrop {
  0%   { transform: translateY(-60px) rotate(-6deg); opacity: 0; }
  60%  { transform: translateY(8px)   rotate(2deg);  opacity: 1; }
  100% { transform: translateY(0)     rotate(0);     opacity: 1; }
}
/* When letter animations are active, disable the gradient text-clip on the
   parent so the individual letter spans render as solid visible text. */
.mini-site.anim-drop .ms-title,
.mini-site.anim-wave .ms-title {
  background: none;
  -webkit-text-fill-color: var(--ms-text);
  color: var(--ms-text);
}
.mini-site.anim-drop .ms-title .letter {
  display: inline-block;
  color: var(--ms-text);
  -webkit-text-fill-color: var(--ms-text);
  animation: letterDrop 0.6s var(--ease-spring) both;
}

/* 06 · LETTER WAVE — letters wave up and down in sequence */
@keyframes letterWave {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}
.mini-site.anim-wave .ms-title .letter {
  display: inline-block;
  color: var(--ms-accent);
  -webkit-text-fill-color: var(--ms-accent);
  animation: letterWave 1s var(--ease-smooth) infinite;
  animation-delay: var(--letter-delay, 0ms);
}

/* 07 · GLITCH — RGB-split chromatic aberration */
@keyframes glitchShake {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-2px, 1px); }
  20% { transform: translate(2px, -1px); }
  30% { transform: translate(-1px, 2px); }
  40% { transform: translate(1px, -2px); }
  50% { transform: translate(-2px, -1px); }
  60% { transform: translate(2px, 1px); }
  70% { transform: translate(-1px, -2px); }
  80% { transform: translate(1px, 2px); }
  90% { transform: translate(-2px, 1px); }
}
.mini-site.anim-glitch .ms-title {
  position: relative;
  animation: glitchShake 0.6s steps(1) both;
}
.mini-site.anim-glitch .ms-title::before,
.mini-site.anim-glitch .ms-title::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0; right: 0;
  background: none;
  -webkit-text-fill-color: initial;
  pointer-events: none;
  text-align: center;
}
.mini-site.anim-glitch .ms-title::before {
  color: #ff10f0;
  animation: glitchShake 0.6s steps(1) reverse both;
  mix-blend-mode: screen;
  text-shadow: 0 0 6px #ff10f0;
}
.mini-site.anim-glitch .ms-title::after {
  color: #00f0ff;
  animation: glitchShake 0.6s steps(1) both;
  animation-delay: 0.05s;
  mix-blend-mode: screen;
  text-shadow: 0 0 6px #00f0ff;
}

/* 08 · TYPEWRITER — subtitle types itself
   --type-len is set inline by JS to the character count of the subtitle */
.mini-site.anim-type .ms-sub {
  overflow: hidden;
  white-space: nowrap;
  border-right: 2px solid var(--ms-accent);
  margin-left: auto;
  margin-right: auto;
  width: 0;
  max-width: 100%;
  animation:
    typewriter 2.4s steps(var(--type-len, 40), end) forwards,
    typeCaret 0.7s step-end infinite;
}
@keyframes typewriter {
  from { width: 0; }
  to   { width: calc(var(--type-len, 40) * 1ch); }
}
@keyframes typeCaret {
  0%, 100% { border-color: var(--ms-accent); }
  50%      { border-color: transparent; }
}

/* 09 · ZOOM IN — whole site scales from 0.5 with bounce */
@keyframes zoomBounce {
  0%   { transform: scale(0.5); opacity: 0; }
  60%  { transform: scale(1.05); opacity: 1; }
  100% { transform: scale(1);    opacity: 1; }
}
.mini-site.anim-zoom { animation: zoomBounce 0.7s var(--ease-spring) both; }

/* 10 · NEON FLICKER — title flickers like a dying tube */
@keyframes neonFlicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
    opacity: 0.99;
    text-shadow:
      0 0 4px var(--ms-accent),
      0 0 12px var(--ms-accent),
      0 0 24px var(--ms-accent);
  }
  20%, 24%, 55% {
    opacity: 0.4;
    text-shadow: none;
  }
}
.mini-site.anim-flicker .ms-title {
  animation: neonFlicker 1.6s linear both;
}

/* Disable letter span splitting for non-letter animations */
.mini-site:not(.anim-drop):not(.anim-wave) .ms-title .letter {
  display: inline;
  animation: none;
}

@media (min-width: 720px) {
  .lab { padding: 16px; gap: 20px; }
  .control { padding: 32px; }
  .selectors {
    grid-template-columns: 1fr auto 1fr;
    gap: 20px;
    align-items: end;
  }
  .extras {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .ratio-control { min-width: 220px; }
  .control-title { font-size: var(--fs-2xl); }
  .ts-row { grid-template-columns: repeat(5, 1fr); }
  .preview-stage { padding: 32px; min-height: 540px; }
  .brand-name { font-size: 2rem; }
}

@media (min-width: 1024px) {
  .split { grid-template-columns: 1.4fr 1fr; }
  .control-title { font-size: var(--fs-3xl); max-width: 22ch; }
  .control-sub { font-size: var(--fs-md); }
  .topbar { margin: 16px; padding: 14px 22px; }
  .ms-cards { grid-template-columns: repeat(3, 1fr); }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  .sun, .grid-floor, .stars, .chev, .status-dot { animation: none !important; }
  * { transition-duration: 0.01ms !important; }
}