:root {
  --bg: #0a0a0a;
  --bg-soft: #131313;
  --bg-elev: #1a1a1a;
  --ink: #f5f1e8;
  --ink-dim: #8a8578;
  --ink-faint: #4a4639;
  --line: #252320;
  --accent: #d4ff3a;
  --accent-warm: #ff6b35;
  --accent-deep: #2d2a1f;
}

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

html, body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'Fraunces', serif;
  font-feature-settings: "ss01", "ss02";
  min-height: 100vh;
  overflow-x: hidden;
}

/* Grain overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1000;
  opacity: 0.4;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.05 0 0 0 0 0.05 0 0 0 0 0.05 0 0 0 0.4 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

.app {
  display: grid;
  grid-template-columns: 1fr;
  min-height: 100vh;
}

@media (min-width: 1024px) {
  .app { grid-template-columns: 420px 1fr; }
}

/* === SIDEBAR === */
.sidebar {
  background: var(--bg-soft);
  border-right: 1px solid var(--line);
  padding: 2.5rem 2rem;
  overflow-y: auto;
  max-height: 100vh;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.brand h1 {
  font-size: 2.25rem;
  font-weight: 300;
  letter-spacing: -0.03em;
  line-height: 1;
}

.brand h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.brand-mark {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--ink-faint);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transform: translateY(-0.5rem);
}

.tagline {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--ink-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--line);
}

.section {
  margin-bottom: 2rem;
}

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--ink-faint);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-label::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

/* Type tabs */
.type-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.type-tab {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  padding: 0.6rem 0.3rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 2px;
}

.type-tab:hover {
  border-color: var(--ink-dim);
  color: var(--ink);
}

.type-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
}

/* Inputs */
.field {
  margin-bottom: 0.75rem;
}

.field-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--ink-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

input[type="text"],
input[type="url"],
input[type="tel"],
input[type="email"],
input[type="password"],
textarea,
select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 0.7rem 0.85rem;
  font-family: 'Fraunces', serif;
  font-size: 0.95rem;
  border-radius: 2px;
  transition: border-color 0.2s ease;
}

textarea {
  resize: vertical;
  min-height: 80px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238a8578' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px;
  padding-right: 2.5rem;
}

/* Style picker grid */
.style-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.style-option {
  aspect-ratio: 1;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  position: relative;
}

.style-option:hover {
  border-color: var(--ink-dim);
}

.style-option.active {
  border-color: var(--accent);
  background: var(--accent-deep);
}

.style-option svg {
  width: 60%;
  height: 60%;
}

.style-option .label {
  position: absolute;
  bottom: 4px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.55rem;
  color: var(--ink-faint);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.style-option.active .label {
  color: var(--accent);
}

/* Color row */
.color-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.color-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.5rem 0.7rem;
  gap: 0.6rem;
}

.color-input-wrap:focus-within {
  border-color: var(--accent);
}

.color-swatch {
  width: 22px;
  height: 22px;
  border-radius: 2px;
  border: 1px solid var(--line);
  cursor: pointer;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

.color-swatch input[type="color"] {
  position: absolute;
  inset: 0;
  border: none;
  padding: 0;
  background: transparent;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.color-input-wrap input[type="text"] {
  background: transparent;
  border: none;
  padding: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  text-transform: uppercase;
}

.color-input-wrap input[type="text"]:focus {
  outline: none;
}

/* Toggle switches */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0;
}

.toggle-row .field-label {
  margin: 0;
}

.toggle {
  width: 36px;
  height: 20px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 12px;
  position: relative;
  cursor: pointer;
  transition: all 0.2s ease;
}

.toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  background: var(--ink-dim);
  border-radius: 50%;
  transition: all 0.25s ease;
}

.toggle.active {
  background: var(--accent);
  border-color: var(--accent);
}

.toggle.active::after {
  left: 18px;
  background: var(--bg);
}

/* Preset palettes */
.palettes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.palette {
  height: 32px;
  border-radius: 2px;
  cursor: pointer;
  border: 1px solid var(--line);
  transition: transform 0.2s ease;
  position: relative;
  overflow: hidden;
}

.palette:hover { transform: translateY(-2px); }

.palette.active {
  border-color: var(--ink);
  box-shadow: 0 0 0 1px var(--accent);
}

/* Slider */
.slider-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  height: 2px;
  background: var(--line);
  border-radius: 2px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.15s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.slider-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--ink-dim);
  min-width: 36px;
  text-align: right;
}

/* File upload */
.file-upload {
  border: 1px dashed var(--line);
  border-radius: 2px;
  padding: 1rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.file-upload:hover {
  border-color: var(--accent);
}

.file-upload input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.file-upload-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--ink-dim);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.file-upload-preview {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 2px;
  margin-top: 0.5rem;
}

.file-upload-preview img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  background: white;
  padding: 2px;
  border-radius: 2px;
}

.file-upload-preview span {
  flex: 1;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  color: var(--ink);
}

.file-upload-preview button {
  background: transparent;
  border: none;
  color: var(--ink-dim);
  cursor: pointer;
  font-size: 1rem;
}

.file-upload-preview button:hover { color: var(--accent-warm); }

/* === MAIN CANVAS === */
.canvas-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 2rem;
  position: relative;
  min-height: 100vh;
}

/* Decorative type */
.canvas-area::before {
  content: 'GENERATE / EXPORT / SHARE';
  position: absolute;
  top: 2rem;
  left: 2rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--ink-faint);
  letter-spacing: 0.3em;
}

.canvas-area::after {
  content: '◆ STUDIO 2026';
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  color: var(--ink-faint);
  letter-spacing: 0.3em;
}

.canvas-headline {
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
  text-align: center;
  max-width: 800px;
}

.canvas-headline em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.canvas-sub {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--ink-dim);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 3rem;
}

.qr-frame {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  padding: 2rem;
  border-radius: 4px;
  position: relative;
  transition: all 0.3s ease;
}

.qr-frame::before,
.qr-frame::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid var(--accent);
}

.qr-frame::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}

.qr-frame::after {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
}

#qr-canvas {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 320px;
  min-height: 320px;
}

#qr-canvas canvas, #qr-canvas svg {
  display: block;
  max-width: 100%;
}

/* Action bar */
.actions {
  margin-top: 2rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}

.btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 0.85rem 1.5rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 2px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn:hover {
  border-color: var(--ink);
  background: var(--bg-elev);
}

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

.btn-primary:hover {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
}

.btn svg {
  width: 14px;
  height: 14px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--accent);
  color: var(--bg);
  padding: 0.75rem 1.5rem;
  border-radius: 2px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  z-index: 2000;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

/* Hidden by default */
.hidden { display: none !important; }

/* Scrollbar */
.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-track { background: var(--bg-soft); }
.sidebar::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }
.sidebar::-webkit-scrollbar-thumb:hover { background: var(--ink-faint); }

/* Stagger entrance */
@keyframes rise {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.canvas-area > * {
  animation: rise 0.8s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}
.canvas-headline { animation-delay: 0.1s; }
.canvas-sub { animation-delay: 0.25s; }
.qr-frame { animation-delay: 0.4s; }
.actions { animation-delay: 0.55s; }

.sidebar > * {
  animation: rise 0.6s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}
.brand { animation-delay: 0.05s; }
.tagline { animation-delay: 0.15s; }
.section:nth-child(3) { animation-delay: 0.2s; }
.section:nth-child(4) { animation-delay: 0.3s; }
.section:nth-child(5) { animation-delay: 0.4s; }
.section:nth-child(6) { animation-delay: 0.5s; }
/* === FOOTER === */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding: 1.25rem 2rem;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  max-width: 1600px;
  margin: 0 auto;
}

.footer-family {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--ink-dim);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.footer-family:hover { color: var(--ink); }

.footer-family img {
  height: 18px;
  width: auto;
  display: block;
  opacity: 0.75;
  transition: opacity 0.2s ease;
}

.footer-family:hover img { opacity: 1; }

.footer-family-text {
  color: var(--ink-dim);
}

.footer-family img {
  height: 22px;
}

.footer-links {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.footer-links a {
  color: var(--ink-dim);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover { color: var(--accent); }

.footer-sep { color: var(--ink-faint); }

/* === LEGAL PAGES === */
.legal-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
  font-family: 'Fraunces', serif;
  line-height: 1.6;
  color: var(--ink);
}

.legal-back {
  display: inline-block;
  margin-bottom: 3rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-decoration: none;
  transition: color 0.2s ease;
}

.legal-back:hover { color: var(--accent); }

.legal-page h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  margin-bottom: 2.5rem;
  line-height: 1.1;
}

.legal-page h2 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 2.5rem;
  margin-bottom: 0.85rem;
}

.legal-page p,
.legal-page ul {
  font-size: 1rem;
  color: var(--ink);
  margin-bottom: 1rem;
}

.legal-page ul {
  padding-left: 1.5rem;
}

.legal-page li { margin-bottom: 0.25rem; }

.legal-page strong { color: var(--accent); font-weight: 500; }

.legal-note {
  margin-top: 3rem;
  padding: 1rem 1.25rem;
  border-left: 2px solid var(--accent-warm);
  background: var(--bg-soft);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--ink-dim);
  line-height: 1.5;
}