/* ============================================
   NEON SIGN DESIGNER - London Street Signs
   ============================================ */

/* Google Fonts Import - All 56 Sign Fonts */
@import url('https://fonts.googleapis.com/css2?family=Abril+Fatface&family=Alex+Brush&family=Allura&family=Audiowide&family=Bad+Script&family=Bebas+Neue&family=Black+Ops+One&family=Bungee+Hairline&family=Bungee+Inline&family=Caveat&family=Cedarville+Cursive&family=Cinzel&family=Cinzel+Decorative&family=Codystar&family=Comfortaa:wght@700&family=Courgette&family=Courier+Prime&family=Covered+By+Your+Grace&family=Damion&family=Dancing+Script:wght@700&family=Faster+One&family=Frijole&family=Gloria+Hallelujah&family=Great+Vibes&family=Homemade+Apple&family=Limelight&family=Lobster&family=Loved+by+the+King&family=Marck+Script&family=Meddon&family=Megrim&family=Monoton&family=Montserrat:wght@800&family=Mrs+Saint+Delafield&family=Niconne&family=Orbitron:wght@700&family=Oswald:wght@700&family=Pacifico&family=Parisienne&family=Patrick+Hand&family=Permanent+Marker&family=Pinyon+Script&family=Playfair+Display:wght@700&family=Press+Start+2P&family=Quicksand:wght@700&family=Raleway:wght@800&family=Reenie+Beanie&family=Righteous&family=Rock+Salt&family=Sacramento&family=Satisfy&family=Special+Elite&family=Syncopate:wght@700&family=UnifrakturMaguntia&family=Vampiro+One&family=Yellowtail&display=swap');

/* Custom Real Neon Sign Fonts */
@font-face {
  font-family: 'Alexa';
  src: url('../fonts/Alexa.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Amanda';
  src: url('../fonts/Amanda.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Amsterdam';
  src: url('../fonts/Amsterdam.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Austin';
  src: url('../fonts/Austin.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Avante';
  src: url('../fonts/Avante.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Barcelona';
  src: url('../fonts/Barcelona.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Bayview';
  src: url('../fonts/Bayview.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Beachfront';
  src: url('../fonts/Beachfront.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Bellview';
  src: url('../fonts/Bellview.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Buttercup';
  src: url('../fonts/Buttercup.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Chelsea';
  src: url('../fonts/Chelsea.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'ClassicType';
  src: url('../fonts/ClassicType.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Florence';
  src: url('../fonts/Florence.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Freehand';
  src: url('../fonts/Freehand.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Freespirit';
  src: url('../fonts/Freespirit.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Greenworld';
  src: url('../fonts/Greenworld.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'LazySunday';
  src: url('../fonts/LazySunday.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'LosAngeles';
  src: url('../fonts/LosAngeles.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'LoveNeon';
  src: url('../fonts/LoveNeon.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'LoveNote';
  src: url('../fonts/LoveNote.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Majorca';
  src: url('../fonts/Majorca.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Manchester';
  src: url('../fonts/Manchester.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Manhattan';
  src: url('../fonts/Manhattan.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Marquee';
  src: url('../fonts/Marquee.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Mayfair';
  src: url('../fonts/Mayfair.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Melbourne';
  src: url('../fonts/Melbourne.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Milan';
  src: url('../fonts/Milan.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Monaco';
  src: url('../fonts/Monaco.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'NeoTokyo';
  src: url('../fonts/NeoTokyo.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'NeonGlow';
  src: url('../fonts/NeonGlow.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'NeonLite';
  src: url('../fonts/NeonLite.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Neonscript';
  src: url('../fonts/Neonscript.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Neontrace';
  src: url('../fonts/Neontrace.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Nevada';
  src: url('../fonts/Nevada.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'NewCursive';
  src: url('../fonts/NewCursive.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Northshore';
  src: url('../fonts/Northshore.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'NottingHill';
  src: url('../fonts/NottingHill.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Olivia';
  src: url('../fonts/Olivia.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Photogenic';
  src: url('../fonts/Photogenic.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Rocket';
  src: url('../fonts/Rocket.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Royalty';
  src: url('../fonts/Royalty.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'SanDiego';
  src: url('../fonts/SanDiego.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'SciFi';
  src: url('../fonts/SciFi.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Signature';
  src: url('../fonts/Signature.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Simplicity';
  src: url('../fonts/Simplicity.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Sorrento';
  src: url('../fonts/Sorrento.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Typewriter';
  src: url('../fonts/Typewriter.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Venetian';
  src: url('../fonts/Venetian.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Vintage';
  src: url('../fonts/Vintage.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Waikiki';
  src: url('../fonts/Waikiki.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Weekender';
  src: url('../fonts/Weekender.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'WildScript';
  src: url('../fonts/WildScript.ttf') format('truetype');
  font-display: swap;
}

@font-face {
  font-family: 'Rockstar';
  src: url('../fonts/Rockstar.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Submarine';
  src: url('../fonts/Submarine.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Vancouver';
  src: url('../fonts/Vancouver.ttf') format('truetype');
  font-display: swap;
}
@font-face {
  font-family: 'Westcoast';
  src: url('../fonts/Westcoast.ttf') format('truetype');
  font-display: swap;
}


/* ---- CSS Variables / Design Tokens ---- */
:root {
  --sd-bg-dark: #0a0a0f;
  --sd-bg-panel: rgba(15, 15, 25, 0.85);
  --sd-bg-panel-hover: rgba(25, 25, 40, 0.9);
  --sd-glass-border: rgba(255, 255, 255, 0.08);
  --sd-glass-border-hover: rgba(255, 255, 255, 0.15);
  --sd-text-primary: #f0f0f5;
  --sd-text-secondary: #8a8a9e;
  --sd-text-muted: #55556a;
  --sd-accent: #a855f7;
  --sd-accent-glow: rgba(168, 85, 247, 0.4);
  --sd-radius-sm: 8px;
  --sd-radius-md: 12px;
  --sd-radius-lg: 20px;
  --sd-radius-xl: 24px;
  --sd-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --sd-transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

  /* Neon color variables */
  --neon-color: #ff6eb4;
  --neon-glow-1: rgba(255, 110, 180, 0.6);
  --neon-glow-2: rgba(255, 110, 180, 0.3);
  --neon-glow-3: rgba(255, 110, 180, 0.15);
}

/* ---- Reset for designer page ---- */
.sign-designer-page {
  position: relative;
  margin: 0;
  padding: 0;
  background: var(--sd-bg-dark);
  color: var(--sd-text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.sign-designer-page *,
.sign-designer-page *::before,
.sign-designer-page *::after {
  box-sizing: border-box;
}

/* ---- Page Header Bar ---- */
.sd-header {
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--sd-glass-border);
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}

.sd-header__title {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--sd-text-primary), var(--sd-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sd-header__subtitle {
  font-size: 0.8rem;
  color: var(--sd-text-secondary);
  margin-top: 2px;
}

/* ---- Main Layout ---- */
.sd-layout {
  display: grid;
  grid-template-columns: 1fr 440px;
  min-height: calc(100vh - 65px);
  gap: 0;
}

/* ---- Preview Canvas ---- */
.sd-preview {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #111118;
  max-height: 520px;
  min-height: 440px;
  border-radius: var(--sd-radius-lg);
  margin: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--sd-glass-border);
}

.sd-preview__background {
  position: absolute;
  inset: 0;
  background-image: var(--preview-bg);
  background-size: cover;
  background-position: center;
  transition: filter var(--sd-transition-slow), background-image 0.3s ease;
}

.sd-preview__background::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.15);
}

.sd-preview__background.lights-off {
  filter: brightness(0.3);
}

.sd-preview__background.lights-off::after {
  background: rgba(0, 0, 0, 0.5);
}

/* Neon text container */
.sd-preview__text-container {
  position: absolute;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
  z-index: 10;
  padding: 20px;
  transition: transform 0.05s linear;
  touch-action: none;
}

.sd-preview__text-container:active {
  cursor: grabbing;
}

.sd-preview__text-container.is-dragging {
  cursor: grabbing;
}

.sd-preview__neon-text {
  font-family: 'Alex Brush', cursive;
  font-size: clamp(2rem, 5vw, 4.5rem);
  color: var(--neon-color);
  text-shadow:
    0 0 7px var(--neon-glow-1),
    0 0 10px var(--neon-glow-1),
    0 0 21px var(--neon-glow-1),
    0 0 42px var(--neon-color),
    0 0 82px var(--neon-color),
    0 0 92px var(--neon-color),
    0 0 102px var(--neon-color),
    0 0 151px var(--neon-color);
  white-space: pre-wrap;
  word-break: break-word;
  text-align: center;
  line-height: 1.3;
  transition: text-shadow var(--sd-transition), color var(--sd-transition), font-family var(--sd-transition);
  animation: neonFlicker 4s infinite alternate;
  max-width: 80vw;
}

.sd-preview__neon-text.neon-off {
  color: rgba(255, 255, 255, 0.15);
  text-shadow: none;
  animation: none;
}

/* Neon subtle flicker animation */
@keyframes neonFlicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% {
    text-shadow:
      0 0 7px var(--neon-glow-1),
      0 0 10px var(--neon-glow-1),
      0 0 21px var(--neon-glow-1),
      0 0 42px var(--neon-color),
      0 0 82px var(--neon-color),
      0 0 92px var(--neon-color),
      0 0 102px var(--neon-color),
      0 0 151px var(--neon-color);
  }
  20%, 24%, 55% {
    text-shadow:
      0 0 4px var(--neon-glow-1),
      0 0 7px var(--neon-glow-1),
      0 0 15px var(--neon-glow-1),
      0 0 30px var(--neon-color),
      0 0 60px var(--neon-color);
  }
}

/* Drag hint indicator */
.sd-preview__drag-hint {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--sd-glass-border);
  padding: 8px 18px;
  border-radius: 100px;
  font-size: 0.75rem;
  color: var(--sd-text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 1;
  transition: opacity var(--sd-transition-slow);
  pointer-events: none;
  z-index: 5;
}

.sd-preview__drag-hint.hidden {
  opacity: 0;
}

.sd-preview__drag-hint svg {
  width: 14px;
  height: 14px;
  opacity: 0.6;
}

/* ---- ON/OFF Toggle ---- */
.sd-toggle {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sd-toggle__label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sd-text-secondary);
}

.sd-toggle__switch {
  position: relative;
  width: 52px;
  height: 28px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--sd-glass-border);
  border-radius: 100px;
  cursor: pointer;
  transition: all var(--sd-transition);
}

.sd-toggle__switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  background: var(--sd-text-secondary);
  border-radius: 50%;
  transition: all var(--sd-transition);
}

.sd-toggle__switch.active {
  background: var(--neon-color);
  border-color: var(--neon-color);
  box-shadow: 0 0 15px var(--neon-glow-2);
}

.sd-toggle__switch.active::after {
  left: 27px;
  background: white;
}

/* ---- Controls Panel ---- */
.sd-controls {
  background: var(--sd-bg-panel);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  border-left: 1px solid var(--sd-glass-border);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}

.sd-controls::-webkit-scrollbar {
  width: 4px;
}

.sd-controls::-webkit-scrollbar-track {
  background: transparent;
}

.sd-controls::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

/* ---- Control Sections ---- */
.sd-section {
  padding: 24px 24px;
  border-bottom: 1px solid var(--sd-glass-border);
}

.sd-section:last-child {
  border-bottom: none;
}

.sd-section__header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.sd-section__step {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--sd-accent), #7c3aed);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: white;
  flex-shrink: 0;
}

.sd-section__title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sd-text-primary);
}

.sd-section__subtitle {
  font-size: 0.7rem;
  color: var(--sd-text-muted);
  margin-top: 2px;
}

/* ---- Text Input ---- */
.sd-text-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--sd-glass-border);
  border-radius: var(--sd-radius-md);
  padding: 16px;
  color: var(--sd-text-primary);
  font-size: 1rem;
  font-family: inherit;
  resize: vertical;
  min-height: 80px;
  transition: all var(--sd-transition);
  outline: none;
}

.sd-text-input::placeholder {
  color: var(--sd-text-muted);
  font-style: italic;
}

.sd-text-input:focus {
  border-color: var(--sd-accent);
  box-shadow: 0 0 0 3px var(--sd-accent-glow);
  background: rgba(255, 255, 255, 0.06);
}

.sd-text-input__hint {
  font-size: 0.7rem;
  color: var(--sd-text-muted);
  margin-top: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sd-text-input__counter {
  font-variant-numeric: tabular-nums;
}

/* Canvas Toolbar & Upload Button */
.sd-preview-tools {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sd-bg-upload-btn {
  background: rgba(168, 85, 247, 0.25);
  border: 1px solid var(--sd-accent);
  color: var(--sd-text-primary);
  padding: 8px 14px;
  border-radius: var(--sd-radius-md);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--sd-transition);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.sd-bg-upload-btn:hover {
  background: var(--sd-accent);
  color: #ffffff;
  box-shadow: 0 0 15px var(--sd-accent-glow);
}

.sd-bg-reset-btn {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--sd-glass-border);
  color: var(--sd-text-secondary);
  padding: 8px 14px;
  border-radius: var(--sd-radius-md);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--sd-transition);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.sd-bg-reset-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--sd-text-primary);
}

.sd-bg-upload-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 2px dashed var(--sd-glass-border-hover);
  border-radius: var(--sd-radius-md);
  padding: 16px;
  cursor: pointer;
  color: var(--sd-text-primary);
  font-weight: 600;
  font-size: 0.88rem;
  transition: all var(--sd-transition);
  text-align: center;
}

.sd-bg-upload-panel:hover {
  border-color: var(--sd-accent);
  background: rgba(168, 85, 247, 0.08);
  color: #ffffff;
}

/* ---- Font Selector ---- */
.sd-font-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  max-height: 420px;
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 6px;
}

.sd-font-grid::-webkit-scrollbar {
  width: 6px;
}
.sd-font-grid::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
  border-radius: 4px;
}
.sd-font-grid::-webkit-scrollbar-thumb {
  background: rgba(168, 85, 247, 0.4);
  border-radius: 4px;
}

.sd-font-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--sd-glass-border);
  border-radius: var(--sd-radius-md);
  padding: 14px 10px;
  cursor: pointer;
  transition: all var(--sd-transition);
  text-align: center;
  position: relative;
  overflow: hidden;
  min-height: 70px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.sd-font-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--sd-glass-border-hover);
  transform: translateY(-2px);
}

.sd-font-card.active {
  background: rgba(168, 85, 247, 0.15);
  border-color: var(--sd-accent);
  box-shadow: 0 0 0 2px var(--sd-accent-glow);
}

.sd-font-card__name {
  font-size: 1.25rem;
  color: var(--sd-text-primary);
  line-height: 1.2;
  transition: color var(--sd-transition);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.sd-font-card__label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sd-text-muted);
  margin-top: 4px;
  font-family: 'Inter', sans-serif !important;
}

.sd-font-card__badge {
  position: absolute;
  top: 4px;
  right: 4px;

  background: linear-gradient(135deg, #ec4899, #a855f7);
  color: white;
  font-size: 0.5rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: 'Inter', sans-serif !important;
}

/* ---- Color Picker ---- */
.sd-color-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sd-color-swatch {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--sd-transition);
  position: relative;
  border: 2px solid transparent;
}

.sd-color-swatch:hover {
  transform: scale(1.15);
}

.sd-color-swatch.active {
  border-color: white;
  box-shadow: 0 0 20px var(--swatch-color, currentColor);
  transform: scale(1.15);
}

.sd-color-swatch::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid transparent;
  transition: border-color var(--sd-transition);
}

.sd-color-swatch.active::after {
  border-color: rgba(255, 255, 255, 0.3);
}

/* Individual neon colors */
.sd-color-swatch[data-color="hot-pink"] {
  background: radial-gradient(circle, #ff6eb4, #e91e8c);
  --swatch-color: rgba(255, 110, 180, 0.5);
}
.sd-color-swatch[data-color="electric-blue"] {
  background: radial-gradient(circle, #00d4ff, #0088cc);
  --swatch-color: rgba(0, 212, 255, 0.5);
}
.sd-color-swatch[data-color="neon-green"] {
  background: radial-gradient(circle, #39ff14, #20b80e);
  --swatch-color: rgba(57, 255, 20, 0.5);
}
.sd-color-swatch[data-color="red"] {
  background: radial-gradient(circle, #ff3131, #cc0000);
  --swatch-color: rgba(255, 49, 49, 0.5);
}
.sd-color-swatch[data-color="warm-white"] {
  background: radial-gradient(circle, #fff5e6, #ffeacc);
  --swatch-color: rgba(255, 245, 230, 0.5);
}
.sd-color-swatch[data-color="cool-white"] {
  background: radial-gradient(circle, #f0f8ff, #dceeff);
  --swatch-color: rgba(240, 248, 255, 0.5);
}
.sd-color-swatch[data-color="purple"] {
  background: radial-gradient(circle, #a855f7, #7c3aed);
  --swatch-color: rgba(168, 85, 247, 0.5);
}
.sd-color-swatch[data-color="orange"] {
  background: radial-gradient(circle, #ff8c00, #e07000);
  --swatch-color: rgba(255, 140, 0, 0.5);
}
.sd-color-swatch[data-color="yellow"] {
  background: radial-gradient(circle, #ffd700, #e0b800);
  --swatch-color: rgba(255, 215, 0, 0.5);
}
.sd-color-swatch[data-color="ice-blue"] {
  background: radial-gradient(circle, #7df9ff, #55d0ff);
  --swatch-color: rgba(125, 249, 255, 0.5);
}

/* ---- Size Selector ---- */
.sd-size-options {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.sd-size-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--sd-glass-border);
  border-radius: var(--sd-radius-sm);
  padding: 12px 8px;
  cursor: pointer;
  transition: all var(--sd-transition);
  text-align: center;
  color: var(--sd-text-primary);
}

.sd-size-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--sd-glass-border-hover);
}

.sd-size-btn.active {
  background: rgba(168, 85, 247, 0.1);
  border-color: var(--sd-accent);
  box-shadow: 0 0 0 2px var(--sd-accent-glow);
}

.sd-size-btn__label {
  font-size: 0.85rem;
  font-weight: 600;
}

.sd-size-btn__dimensions {
  font-size: 0.65rem;
  color: var(--sd-text-muted);
  margin-top: 4px;
}

/* ---- Quote / CTA Button ---- */
.sd-cta-btn {
  width: 100%;
  padding: 16px 24px;
  background: linear-gradient(135deg, var(--sd-accent), #7c3aed);
  border: none;
  border-radius: var(--sd-radius-md);
  color: white;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all var(--sd-transition);
  position: relative;
  overflow: hidden;
  text-transform: uppercase;
}

.sd-cta-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity var(--sd-transition);
}

.sd-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--sd-accent-glow);
}

.sd-cta-btn:hover::before {
  opacity: 1;
}

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

.sd-cta-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* Secondary button */
.sd-secondary-btn {
  width: 100%;
  padding: 12px 24px;
  background: transparent;
  border: 1px solid var(--sd-glass-border);
  border-radius: var(--sd-radius-md);
  color: var(--sd-text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--sd-transition);
  margin-top: 10px;
}

.sd-secondary-btn:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--sd-glass-border-hover);
  color: var(--sd-text-primary);
}

/* ---- Quote Modal ---- */
.sd-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--sd-transition);
}

.sd-modal-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.sd-modal {
  background: rgba(20, 20, 35, 0.95);
  backdrop-filter: blur(40px);
  -webkit-backdrop-filter: blur(40px);
  border: 1px solid var(--sd-glass-border);
  border-radius: var(--sd-radius-xl);
  padding: 36px;
  width: 90%;
  max-width: 480px;
  transform: translateY(20px) scale(0.96);
  transition: transform var(--sd-transition);
}

.sd-modal-overlay.visible .sd-modal {
  transform: translateY(0) scale(1);
}

.sd-modal__title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.sd-modal__desc {
  font-size: 0.85rem;
  color: var(--sd-text-secondary);
  margin-bottom: 24px;
}

.sd-modal__field {
  margin-bottom: 16px;
}

.sd-modal__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sd-text-secondary);
  margin-bottom: 6px;
  display: block;
}

.sd-modal__input {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--sd-glass-border);
  border-radius: var(--sd-radius-sm);
  padding: 12px 14px;
  color: var(--sd-text-primary);
  font-size: 0.9rem;
  font-family: inherit;
  outline: none;
  transition: all var(--sd-transition);
}

.sd-modal__input:focus {
  border-color: var(--sd-accent);
  box-shadow: 0 0 0 3px var(--sd-accent-glow);
}

.sd-modal__summary {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--sd-glass-border);
  border-radius: var(--sd-radius-sm);
  padding: 14px;
  margin-bottom: 20px;
}

.sd-modal__summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  padding: 4px 0;
}

.sd-modal__summary-row span:first-child {
  color: var(--sd-text-secondary);
}

.sd-modal__summary-row span:last-child {
  color: var(--sd-text-primary);
  font-weight: 600;
}

.sd-modal__actions {
  display: flex;
  gap: 10px;
}

.sd-modal__actions .sd-cta-btn {
  flex: 1;
}

.sd-modal__close-btn {
  flex: 0 0 auto;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--sd-glass-border);
  border-radius: var(--sd-radius-md);
  color: var(--sd-text-secondary);
  cursor: pointer;
  transition: all var(--sd-transition);
  font-size: 0.9rem;
}

.sd-modal__close-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--sd-text-primary);
}

/* Success state */
.sd-modal__success {
  text-align: center;
  padding: 20px 0;
}

.sd-modal__success-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.sd-modal__success-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.sd-modal__success-desc {
  font-size: 0.9rem;
  color: var(--sd-text-secondary);
}

/* ---- Toast Notification ---- */
.sd-toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: rgba(20, 20, 35, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--sd-glass-border);
  border-radius: var(--sd-radius-md);
  padding: 14px 24px;
  font-size: 0.85rem;
  color: var(--sd-text-primary);
  z-index: 10001;
  opacity: 0;
  transition: all var(--sd-transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sd-toast.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.sd-toast__icon {
  font-size: 1.1rem;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .sd-layout {
    grid-template-columns: 1fr;
    grid-template-rows: 50vh auto;
  }

  .sd-controls {
    border-left: none;
    border-top: 1px solid var(--sd-glass-border);
  }

  .sd-preview__neon-text {
    font-size: clamp(1.5rem, 6vw, 3rem);
  }
}

@media (max-width: 600px) {
  .sd-header {
    padding: 12px 16px;
  }

  .sd-section {
    padding: 18px 16px;
  }

  .sd-font-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
  }

  .sd-font-card {
    padding: 10px 6px;
  }

  .sd-font-card__name {
    font-size: 0.95rem;
  }

  .sd-size-options {
    grid-template-columns: repeat(3, 1fr);
  }

  .sd-modal {
    padding: 24px;
    margin: 16px;
  }
}

/* ---- Loading state ---- */
.sd-loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sd-bg-dark);
  z-index: 50;
  transition: opacity 0.6s ease;
}

.sd-loading.hidden {
  opacity: 0;
  pointer-events: none;
  display: none !important;
}

.sd-loading__spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--sd-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---- Tooltip ---- */
.sd-tooltip {
  position: relative;
}

.sd-tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 0, 0, 0.9);
  color: white;
  font-size: 0.7rem;
  padding: 4px 10px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--sd-transition);
}

.sd-tooltip:hover::after {
  opacity: 1;
}

/* ---- Print styles (hide controls) ---- */
@media print {
  .sd-controls,
  .sd-header,
  .sd-toggle,
  .sd-preview__drag-hint {
    display: none !important;
  }

  .sd-layout {
    grid-template-columns: 1fr;
  }

  .sd-preview {
    min-height: 100vh;
  }
}