:root {
  --bg:           #e8eaf0;
  --glass-bg:     rgba(255,255,255,0.55);
  --glass-border: rgba(255,255,255,0.82);
  --glass-shadow: rgba(0,0,0,0.08);
  --glass-inner:  rgba(255,255,255,0.38);

  --label:   #0a0a0f;
  --label-2: rgba(10,10,15,0.62);
  --label-3: rgba(10,10,15,0.38);
  --label-4: rgba(10,10,15,0.14);

  --sep:        rgba(10,10,15,0.07);
  --sep-strong: rgba(10,10,15,0.13);

  --accent:      #cfff04;
  --accent-glow: rgba(207,255,4,0.28);
  --accent-soft: rgba(207,255,4,0.10);

  --danger:      #ff3b30;
  --danger-soft: rgba(255,59,48,0.08);
  --danger-border: rgba(255,59,48,0.22);

  --orb-1: rgba(207,255,4,0.18);
  --orb-2: rgba(0,200,100,0.14);
  --orb-3: rgba(180,255,50,0.12);

  --blur-heavy: blur(60px) saturate(2.2);

  --r-sm: 8px;  --r-md: 14px;
  --r-lg: 20px; --r-xl: 28px;

  --ease-spring: cubic-bezier(.34,1.56,.64,1);
  --ease-out:    cubic-bezier(.22,1,.36,1);

  --font: 'Outfit', -apple-system, sans-serif;
}

[data-theme="dark"] {
  --bg:           #0c0c12;
  --glass-bg:     rgba(24,24,38,0.72);
  --glass-border: rgba(255,255,255,0.09);
  --glass-shadow: rgba(0,0,0,0.40);
  --glass-inner:  rgba(255,255,255,0.04);

  --label:   #f0f0f8;
  --label-2: rgba(240,240,248,0.62);
  --label-3: rgba(240,240,248,0.36);
  --label-4: rgba(240,240,248,0.11);

  --sep:        rgba(255,255,255,0.06);
  --sep-strong: rgba(255,255,255,0.11);

  --accent:      #cfff04;
  --accent-glow: rgba(207,255,4,0.24);
  --accent-soft: rgba(207,255,4,0.10);

  --orb-1: rgba(207,255,4,0.12);
  --orb-2: rgba(0,200,100,0.10);
  --orb-3: rgba(180,255,50,0.08);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--label);
  -webkit-font-smoothing: antialiased;
  transition: background .4s, color .4s;
}
img, svg { display: block; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }

/* Orbs */
.bg-orbs { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.orb { position: absolute; border-radius: 50%; filter: blur(80px); animation: orb-drift 20s ease-in-out infinite alternate; }
.orb-1 { width: 600px; height: 600px; top: -180px; left: -80px; background: var(--orb-1); animation-duration: 22s; }
.orb-2 { width: 500px; height: 500px; bottom: -80px; right: -80px; background: var(--orb-2); animation-duration: 18s; animation-delay: -6s; }
.orb-3 { width: 400px; height: 400px; top: 40%; left: 48%; background: var(--orb-3); animation-duration: 26s; animation-delay: -12s; }

/* Glass */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--blur-heavy);
  -webkit-backdrop-filter: var(--blur-heavy);
  border: 1px solid var(--glass-border);
  box-shadow:
    0 2px 0 rgba(255,255,255,0.65) inset,
    0 -1px 0 rgba(255,255,255,0.18) inset,
    0 8px 40px var(--glass-shadow);
}
[data-theme="dark"] .glass {
  box-shadow:
    0 1px 0 rgba(255,255,255,0.07) inset,
    0 8px 40px var(--glass-shadow),
    0 0 0 1px rgba(255,255,255,0.05) inset;
}
.glass-inner {
  background: var(--glass-inner);
  border: 1px solid var(--sep-strong);
  border-radius: var(--r-md);
}

/* Header */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 900;
  background: var(--glass-bg);
  backdrop-filter: blur(30px) saturate(2);
  -webkit-backdrop-filter: blur(30px) saturate(2);
  border-bottom: 1px solid var(--sep-strong);
}
.header-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 28px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-icon {
  width: 34px; height: 34px;
  border-radius: var(--r-sm);
  overflow: hidden;
  flex-shrink: 0;
  box-shadow: 0 4px 14px var(--accent-glow);
}
.brand-icon img { width: 100%; height: 100%; object-fit: cover; display: block; }
.brand-name { font-size: 17px; font-weight: 700; letter-spacing: -.4px; }
.theme-toggle {
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--sep-strong); background: var(--glass-inner);
  display: flex; align-items: center; justify-content: center;
  color: var(--label-3);
  transition: transform .2s var(--ease-spring), background .2s, color .2s;
}
.theme-toggle:hover { transform: scale(1.1); background: var(--sep); color: var(--label-2); }
.icon-sun, .icon-moon { display: none; }
[data-theme="light"] .icon-sun  { display: block; }
[data-theme="dark"]  .icon-moon { display: block; }

/* Layout — preview LEFT, controls RIGHT */
.main {
  position: relative; z-index: 1;
  max-width: 1280px; margin: 0 auto;
  padding: 60px 20px 0;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 16px;
  height: 100vh;
  overflow: hidden;
  align-items: stretch;
}

/* Panels */
.panel { border-radius: var(--r-xl); padding: 20px; }
.panel-preview {
  display: flex; flex-direction: column;
  padding: 16px 16px 20px;
  overflow: hidden;
  margin: 12px 0 12px 0;
  animation: panel-in .5s var(--ease-out) both;
}
.panel-controls {
  overflow-y: auto; scrollbar-width: none;
  margin: 12px 0;
  animation: panel-in .5s var(--ease-out) .06s both;
}
.panel-controls::-webkit-scrollbar { display: none; }

/* Preview panel internals */
.preview-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.preview-label {
  font-size: 11.5px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--label-3);
}
.preview-size-tag {
  font-size: 10.5px; font-weight: 600; color: var(--label-3);
  background: var(--glass-inner); border: 1px solid var(--sep-strong);
  border-radius: 99px; padding: 3px 9px;
}

/* Square QR stage */
.qr-stage-wrap {
  flex: 1; min-height: 0;
  display: flex; align-items: center; justify-content: center;
}
.qr-stage {
  /* Square: take the smaller dimension of available space */
  width: min(100%, calc(100vh - 260px));
  aspect-ratio: 1 / 1;
  border-radius: var(--r-lg);
  background: var(--glass-inner);
  border: 1px solid var(--sep-strong);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; position: relative;
  flex-shrink: 0;
}
.qr-stage::after {
  content: ''; position: absolute; inset: 0;
  border-radius: var(--r-lg);
  box-shadow: 0 2px 0 rgba(255,255,255,0.55) inset;
  pointer-events: none; z-index: 1;
}

.qr-placeholder {
  display: flex; flex-direction: column; align-items: center;
  gap: 12px; padding: 24px; text-align: center;
  animation: fade-in .3s var(--ease-out) both;
}
.placeholder-icon { color: var(--label-4); }
.qr-placeholder p { font-size: 13px; color: var(--label-3); line-height: 1.6; }

#qr-output,
#qr-output-next {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100%;
}
#qr-output canvas,
#qr-output svg,
#qr-output-next canvas,
#qr-output-next svg {
  width: 100% !important;
  height: 100% !important;
  display: block;
  object-fit: contain;
}

.preview-actions { margin-top: 12px; flex-shrink: 0; }
.scan-zone { flex: 1; min-height: 0; overflow-y: auto; padding-top: 4px; }

/* Scan drop */
.scan-drop {
  border: 2px dashed var(--sep-strong); border-radius: var(--r-xl);
  padding: 40px 20px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  text-align: center; cursor: pointer;
  transition: border-color .2s, background .2s;
  color: var(--label-4);
}
.scan-drop:hover,
.scan-drop.drag-over { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.scan-drop-title { font-size: 14px; font-weight: 600; color: var(--label-2); margin-top: 4px; }
.scan-drop-sub   { font-size: 12.5px; color: var(--label-3); }
.scan-result     { padding: 14px; margin-top: 14px; }
.scan-result-label { font-size: 10.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--label-3); margin-bottom: 8px; }
.scan-result-text { font-size: 13.5px; color: var(--label); word-break: break-all; line-height: 1.6; margin-bottom: 12px; max-height: 100px; overflow-y: auto; }
.scan-actions { display: flex; gap: 8px; }
.action-btn.secondary {
  background: var(--glass-inner);
  border: 1px solid var(--sep-strong);
  color: var(--label-2);
  box-shadow: none;
  text-decoration: none;
}
.action-btn.secondary:hover { background: var(--sep); border-color: var(--label-3); transform: translateY(-1px); }
.scan-error {
  margin-top: 12px; padding: 12px 14px;
  background: var(--danger-soft); border: 1px solid var(--danger-border);
  border-radius: var(--r-md); color: var(--danger);
  font-size: 13px; font-weight: 500;
  display: flex; align-items: center; gap: 8px;
}

/* Scan info card */
.scan-info-card {
  padding: 14px 16px; margin-top: 0;
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 13px; color: var(--label-3); line-height: 1.6;
}
.scan-info-card svg { flex-shrink: 0; margin-top: 1px; color: var(--accent); }

/* Action buttons */
.action-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 11px 20px; border-radius: var(--r-lg);
  border: none; font-size: 14px; font-weight: 700;
  transition: all .18s var(--ease-spring);
  width: 100%; justify-content: center;
}
.action-btn.primary {
  background: var(--accent); color: #0a0a0f;
  box-shadow: 0 5px 18px var(--accent-glow);
}
.action-btn.primary:hover  { transform: translateY(-2px); box-shadow: 0 9px 26px var(--accent-glow); }
.action-btn.primary:active { transform: scale(.97); }
.action-btn.small { padding: 8px 16px; font-size: 13px; border-radius: var(--r-md); width: auto; }

/* Tabs */
.tab-bar {
  display: flex; gap: 4px;
  background: var(--glass-inner);
  border-radius: var(--r-md); padding: 4px; margin-bottom: 20px;
  border: 1px solid var(--sep);
  position: relative;
}
.tab {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 8px 12px; border-radius: var(--r-sm);
  border: none; background: transparent;
  font-size: 13px; font-weight: 600; color: var(--label-3);
  transition: color .2s ease, background .2s ease, box-shadow .2s ease, transform .15s var(--ease-spring);
  position: relative; z-index: 1;
}
.tab svg { flex-shrink: 0; transition: transform .2s var(--ease-spring); }
.tab:hover:not(.active) {
  color: var(--label-2); background: var(--sep);
  transform: translateY(-1px);
}
.tab:hover:not(.active) svg { transform: scale(1.15); }
.tab:active { transform: scale(.96); }
.tab.active {
  background: var(--glass-bg); color: var(--label);
  box-shadow: 0 2px 8px var(--glass-shadow), 0 1px 0 rgba(255,255,255,0.5) inset;
  border: 1px solid var(--sep-strong);
  transform: none;
}
.tab-content { display: none; }
.tab-content.active {
  display: block;
  animation: form-in .22s var(--ease-out) both;
}

/* Fields */
.field-group { margin-bottom: 13px; }
.field-label {
  display: block; margin-bottom: 6px;
  font-size: 11px; font-weight: 700; letter-spacing: .05em;
  text-transform: uppercase; color: var(--label-3);
}
.field-hint { font-weight: 400; text-transform: none; letter-spacing: 0; font-size: 11px; opacity: .75; }
.field-hint-text { font-size: 12px; color: var(--label-3); margin-top: -6px; margin-bottom: 8px; line-height: 1.5; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.input-wrap { position: relative; }
.input-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--label-3); pointer-events: none;
}
.input-wrap .field-input { padding-left: 36px; }

.field-input {
  width: 100%; padding: 10px 13px;
  background: var(--glass-inner); border: 1px solid var(--sep-strong);
  border-radius: var(--r-md); font-size: 13.5px; color: var(--label);
  outline: none; transition: border-color .15s, box-shadow .15s;
}
.field-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.field-input::placeholder { color: var(--label-4); }
.field-textarea { resize: vertical; min-height: 88px; }

/* Form section transition */
.form-area { position: relative; }
.form-section {
  display: none;
  animation: form-in .28s var(--ease-out) both;
}
.form-section.active { display: block; }

/* Type pills */
.type-pills { display: flex; flex-wrap: wrap; gap: 6px; }
.type-pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 7px 13px; border-radius: 99px;
  border: 1px solid var(--sep-strong); background: transparent;
  font-size: 12.5px; font-weight: 600; color: var(--label-3);
  transition: color .15s, border-color .15s, background .15s, box-shadow .15s, transform .18s var(--ease-spring);
}
.type-pill:hover:not(.active) { color: var(--label-2); border-color: var(--label-3); transform: translateY(-1px); }
.type-pill:active              { transform: scale(.94); }
.type-pill.active {
  background: var(--accent); border-color: transparent;
  color: #0a0a0f; box-shadow: 0 4px 12px var(--accent-glow); transform: none;
}
.type-pills.small .type-pill { padding: 5px 11px; font-size: 12px; }

/* Section divider */
.section-divider { display: flex; align-items: center; gap: 10px; margin: 16px 0 14px; }
.section-divider::before, .section-divider::after { content: ''; flex: 1; height: 1px; background: var(--sep-strong); }
.section-divider span { font-size: 10.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--label-3); }

/* Dot buttons */
.dot-styles { display: flex; gap: 7px; }
.dot-btn {
  width: 38px; height: 38px; border-radius: var(--r-sm);
  border: 1.5px solid var(--sep-strong); background: var(--glass-inner);
  display: flex; align-items: center; justify-content: center;
  transition: border-color .15s, background .15s, transform .18s var(--ease-spring), box-shadow .15s;
}
.dot-btn svg { width: 17px; height: 17px; fill: var(--label-3); transition: fill .15s, transform .18s var(--ease-spring); }
.dot-btn:hover:not(.active) { border-color: var(--label-3); transform: scale(1.1) translateY(-1px); box-shadow: 0 4px 12px var(--glass-shadow); }
.dot-btn:hover:not(.active) svg { fill: var(--label-2); transform: scale(1.08); }
.dot-btn:active  { transform: scale(.92); }
.dot-btn.active  { background: var(--accent-soft); border-color: var(--accent); transform: none; }
.dot-btn.active svg { fill: var(--accent); }

/* Color fields with hex input */
.color-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.color-field {
  display: flex; align-items: center; gap: 0;
  min-width: 0;
  background: var(--glass-inner); border: 1px solid var(--sep-strong);
  border-radius: var(--r-md); overflow: hidden;
  transition: border-color .15s, box-shadow .15s;
}
.color-field:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.color-swatch {
  width: 34px; height: 34px; border: none; border-right: 1px solid var(--sep-strong);
  cursor: pointer; padding: 4px; flex-shrink: 0;
  -webkit-appearance: none; appearance: none; background: transparent;
  border-radius: 0;
}
.color-swatch::-webkit-color-swatch-wrapper { padding: 0; border-radius: 3px; }
.color-swatch::-webkit-color-swatch        { border: none; border-radius: 3px; }
.color-hash { font-size: 12px; font-weight: 600; color: var(--label-3); padding: 0 2px 0 6px; user-select: none; flex-shrink: 0; }
.color-hex-input {
  flex: 1; min-width: 0; padding: 0 6px 0 0; height: 34px;
  background: transparent; border: none; outline: none;
  font-size: 12px; font-weight: 600; color: var(--label);
  font-variant-numeric: tabular-nums; font-family: var(--font);
  text-transform: uppercase; width: 0;
}

/* Gradient fields */
.gradient-fields {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height .3s var(--ease-out), opacity .25s ease, margin .3s;
}
.gradient-fields.open {
  max-height: 200px;
  opacity: 1;
  margin-top: 10px;
}

/* Toggle */
.toggle-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.toggle { position: relative; display: inline-block; cursor: pointer; }
.toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.toggle-track {
  display: block; width: 42px; height: 24px;
  background: var(--sep-strong); border-radius: 99px;
  transition: background .22s; position: relative;
}
.toggle input:checked + .toggle-track { background: var(--accent); }
.toggle-thumb {
  position: absolute; top: 3px; left: 3px;
  width: 18px; height: 18px; border-radius: 50%;
  background: white; box-shadow: 0 1px 4px rgba(0,0,0,0.22);
  transition: transform .24s var(--ease-spring);
}
.toggle input:checked + .toggle-track .toggle-thumb { transform: translateX(18px); }

/* Logo upload area */
.logo-upload-area { display: flex; align-items: center; gap: 10px; }
.logo-preview-wrap {
  position: relative; flex-shrink: 0;
  width: 48px; height: 48px;
  border-radius: var(--r-sm);
  border: 1px solid var(--sep-strong);
  overflow: hidden;
  animation: fade-in .2s var(--ease-out) both;
}
.logo-preview-wrap img {
  width: 48px; height: 48px;
  object-fit: cover; object-position: center;
  display: block; border-radius: 0;
}
.logo-remove {
  position: absolute; top: -5px; right: -5px;
  width: 17px; height: 17px; border-radius: 50%;
  background: var(--label); color: var(--bg);
  border: none; display: flex; align-items: center; justify-content: center;
  z-index: 2;
  transition: transform .15s var(--ease-spring), background .15s;
}
.logo-remove:hover { transform: scale(1.18); background: var(--danger); }
.upload-btn {
  flex: 1; display: flex; align-items: center; gap: 9px;
  padding: 10px 13px;
  background: var(--glass-inner); border: 1.5px dashed var(--sep-strong);
  border-radius: var(--r-md); font-size: 13px; font-weight: 500;
  color: var(--label-3); cursor: pointer;
  transition: border-color .15s, color .15s;
}
.upload-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Location button */
.use-location-btn {
  display: flex; align-items: center; gap: 8px;
  width: 100%; padding: 10px 13px;
  background: var(--accent-soft); border: 1px solid var(--accent-glow);
  border-radius: var(--r-md); font-size: 13px; font-weight: 600;
  color: var(--accent); margin-top: 2px;
  transition: background .15s, transform .12s;
}
.use-location-btn:hover    { background: var(--accent-glow); }
.use-location-btn:active   { transform: scale(.98); }
.use-location-btn:disabled { opacity: .55; cursor: not-allowed; }

/* Animations */
@keyframes orb-drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(60px, 40px) scale(1.12); }
}
@keyframes panel-in {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: none; }
}
@keyframes form-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}
@keyframes qr-appear {
  from { opacity: 0; transform: scale(.9); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.qr-appear { animation: qr-appear .32s var(--ease-out) both; }

/* Responsive */
@media (max-width: 900px) {
  html, body { overflow: auto; height: auto; }
  .main {
    grid-template-columns: 1fr;
    height: auto; overflow: visible;
    padding: 72px 14px 40px;
  }
  .panel-preview  { margin: 0; flex-direction: column; }
  .panel-controls { overflow-y: visible; margin: 0; }
  .qr-stage-wrap  { padding: 8px 0; }
  .qr-stage       { width: min(100%, 360px); }
}
@media (max-width: 480px) {
  .header-inner { padding: 11px 14px; }
  .color-row    { grid-template-columns: 1fr; }
  .field-row    { grid-template-columns: 1fr; }
  .dot-styles   { gap: 5px; }
}