/* =========================================================
   QRNova UI Polish Layer (ui.css) — PREMIUM v2
   Fixes: UI Thumbnails staying Blue/Default
   Adds: Dynamic linking of thumbnails to --user-color
   ========================================================= */

:root {
  --ui-surface: rgba(15, 23, 42, 0.88);
  --ui-surface-2: rgba(2, 6, 23, 0.52);
  --ui-border: rgba(148, 163, 184, 0.22);
  --ui-border-2: rgba(148, 163, 184, 0.32);

  --ui-primary: rgba(59, 130, 246, 0.92);
  --ui-primary-soft: rgba(59, 130, 246, 0.22);
  --ui-success: rgba(34, 197, 94, 0.88);

  --ui-shadow: 0 18px 50px rgba(0, 0, 0, 0.32);
  --ui-shadow-2: 0 22px 70px rgba(0, 0, 0, 0.38);

  --ui-glow: 0 18px 40px rgba(37, 99, 235, 0.18);
  --ui-glow-2: 0 24px 70px rgba(99, 102, 241, 0.24);

  --ui-ring: 0 0 0 3px rgba(59, 130, 246, 0.28);

  --ui-fast: 140ms;
  --ui-med: 220ms;
  --ui-slow: 340ms;
  --ui-ease: cubic-bezier(0.22, 1, 0.36, 1);

  /* IMPORTANT: active tab text should be dark on the light indicator */
  --ui-tab-active-text: rgba(2, 6, 23, 0.92);
  --ui-tab-inactive-text: rgba(226, 232, 240, 0.70);

  /* Default user colors (overridden by JS) */
  --user-color: #3b82f6;
  --user-rgb: 59, 130, 246;
}

* { -webkit-tap-highlight-color: transparent; }
.page { position: relative; z-index: 1; }

/* ---------------------------------------------------------
   Animated background aurora
   --------------------------------------------------------- */
body::before,
body::after {
  content: "";
  position: fixed;
  inset: -25%;
  pointer-events: none;
  z-index: 0;
  filter: blur(48px);
  opacity: 0.55;
  transform: translate3d(0, 0, 0);
}

body::before {
  background:
    radial-gradient(circle at 18% 20%, rgba(59, 130, 246, 0.52), transparent 44%),
    radial-gradient(circle at 78% 28%, rgba(34, 197, 94, 0.36), transparent 46%),
    radial-gradient(circle at 62% 78%, rgba(168, 85, 247, 0.26), transparent 52%);
  animation: qrnovaAuroraA 12s var(--ui-ease) infinite alternate;
}

body::after {
  background:
    radial-gradient(circle at 30% 70%, rgba(34, 197, 94, 0.22), transparent 55%),
    radial-gradient(circle at 80% 60%, rgba(59, 130, 246, 0.20), transparent 58%);
  animation: qrnovaAuroraB 14s var(--ui-ease) infinite alternate;
}

@keyframes qrnovaAuroraA {
  from { transform: translate3d(-1.5%, -1%, 0) scale(1); }
  to   { transform: translate3d( 1.5%,  1%, 0) scale(1.02); }
}
@keyframes qrnovaAuroraB {
  from { transform: translate3d( 1.2%, -1.2%, 0) scale(1); }
  to   { transform: translate3d(-1.2%,  1.2%, 0) scale(1.015); }
}

/* ---------------------------------------------------------
   Generator card: animated edge glow + premium glass
   --------------------------------------------------------- */
.generator-card {
  border-radius: 26px;
  border: 1px solid var(--ui-border);
  box-shadow: var(--ui-shadow), var(--ui-glow);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  overflow: hidden;
  position: relative;
}

/* Animated “gradient edge” border without layout changes */
.generator-card::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  pointer-events: none;
  background:
    linear-gradient(120deg,
      rgba(59,130,246,0.30),
      rgba(34,197,94,0.22),
      rgba(168,85,247,0.20),
      rgba(59,130,246,0.30)
    );
  background-size: 300% 300%;
  opacity: 0.34;
  filter: blur(10px);
  animation: qrnovaEdgeFlow 10s var(--ui-ease) infinite;
}

@keyframes qrnovaEdgeFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Keep your existing layout, refine center+right */
.generator-body > div:last-child {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: 14px;
  align-items: start;
}
.design-section { grid-column: 1; }
.generator-preview { grid-column: 2; }

@media (max-width: 980px) {
  .generator-body > div:last-child { grid-template-columns: 1fr; }
  .design-section, .generator-preview { grid-column: auto; }
}

/* ---------------------------------------------------------
   Inputs / selects
   --------------------------------------------------------- */
.input,
.select {
  color: rgba(229, 231, 235, 0.96) !important;
  border-color: rgba(148, 163, 184, 0.18) !important;
  background: rgba(2, 6, 23, 0.36) !important;
  transition:
    border-color var(--ui-med) var(--ui-ease),
    box-shadow var(--ui-med) var(--ui-ease),
    transform var(--ui-fast) var(--ui-ease),
    background var(--ui-med) var(--ui-ease);
}

.input::placeholder { color: rgba(156, 163, 175, 0.66); }

.input:hover,
.select:hover {
  border-color: var(--ui-border-2) !important;
}

.input:focus,
.select:focus {
  box-shadow: var(--ui-ring);
  border-color: rgba(59, 130, 246, 0.62) !important;
  background: rgba(2, 6, 23, 0.44) !important;
}

.color-input-wrapper {
  border: 1px solid rgba(148, 163, 184, 0.18) !important;
  background: rgba(2, 6, 23, 0.40) !important;
  transition:
    border-color var(--ui-med) var(--ui-ease),
    box-shadow var(--ui-med) var(--ui-ease),
    transform var(--ui-fast) var(--ui-ease);
}
.color-input-wrapper:hover {
  border-color: rgba(148, 163, 184, 0.34) !important;
}

/* ---------------------------------------------------------
   Buttons: glow + sheen
   --------------------------------------------------------- */
.btn {
  position: relative;
  overflow: hidden;
  transform: translateY(0);
  transition:
    transform var(--ui-fast) var(--ui-ease),
    box-shadow var(--ui-med) var(--ui-ease),
    filter var(--ui-med) var(--ui-ease);
}

.btn::after {
  content: "";
  position: absolute;
  top: -120%;
  left: -65%;
  width: 90%;
  height: 260%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
  transform: rotate(20deg);
  transition: transform 420ms var(--ui-ease), opacity 420ms var(--ui-ease);
  opacity: 0;
  pointer-events: none;
}
.btn:hover::after {
  opacity: 1;
  transform: translateX(260%) rotate(20deg);
}
.btn:active { transform: translateY(1px) scale(0.99); }

.btn-primary {
  box-shadow: var(--ui-glow-2);
  filter: saturate(1.06);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 28px 80px rgba(37, 99, 235, 0.28);
}

/* ---------------------------------------------------------
   Design tabs: FIXED active text + indicator glow
   --------------------------------------------------------- */
.design-tabs {
  position: relative;
  border: 1px solid rgba(148, 163, 184, 0.16) !important;
  background: rgba(2, 6, 23, 0.30) !important;
  border-radius: 999px !important;
  overflow: hidden;
}

/* Sliding indicator (light glass pill) */
.design-tabs::before {
  content: "";
  position: absolute;
  top: 3px;
  left: var(--tab-indicator-left, 3px);
  width: var(--tab-indicator-width, 54px);
  height: calc(100% - 6px);
  border-radius: 999px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.22), rgba(255,255,255,0.10));
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow:
    0 14px 28px rgba(0,0,0,0.30),
    0 0 0 1px rgba(59,130,246,0.10),
    0 18px 60px rgba(59,130,246,0.18);
  transition: left var(--ui-med) var(--ui-ease), width var(--ui-med) var(--ui-ease);
  pointer-events: none;
}

.design-tab {
  position: relative;
  z-index: 1;
  color: var(--ui-tab-inactive-text) !important;
  transition: color var(--ui-med) var(--ui-ease), opacity var(--ui-med) var(--ui-ease);
}

.design-tab:not(.active) { opacity: 0.88; }

.design-tab.active {
  color: var(--ui-tab-active-text) !important;
  opacity: 1;
  font-weight: 600;
}

/* Panels */
.design-section .design-tab-panel {
  display: block !important;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translateY(8px);
  pointer-events: none;
  transition:
    max-height var(--ui-slow) var(--ui-ease),
    opacity var(--ui-med) var(--ui-ease),
    transform var(--ui-med) var(--ui-ease);
}
.design-section .design-tab-panel.is-active {
  max-height: 1200px;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* ---------------------------------------------------------
   SCROLL CONTAINERS (Fix for jumpy selection)
   Padding prevents first item from scrolling out when active/focused
   --------------------------------------------------------- */
.logo-row, .frame-options, .shape-row {
  padding: 12px 14px 20px 14px !important;
  scroll-padding-left: 14px;
}

/* ---------------------------------------------------------
   Tiles: stronger hover + active glow
   Uses --user-color for the Active State
   --------------------------------------------------------- */
.frame-option,
.shape-option,
.logo-option {
  transition:
    transform var(--ui-fast) var(--ui-ease),
    box-shadow var(--ui-med) var(--ui-ease),
    border-color var(--ui-med) var(--ui-ease),
    filter var(--ui-med) var(--ui-ease);
  /* Dark Glass Base */
  background: rgba(2, 6, 23, 0.40) !important;
  border: 1px solid rgba(148, 163, 184, 0.18) !important;
  box-shadow: 0 10px 30px rgba(0,0,0,0.22) !important;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.frame-option:hover,
.shape-option:hover,
.logo-option:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 55px rgba(0,0,0,0.22);
  filter: saturate(1.06);
  border-color: rgba(148, 163, 184, 0.4) !important;
}

.frame-option.active,
.shape-option.active,
.logo-option.active {
  /* Dynamic border color based on selection */
  border-color: var(--user-color) !important;
  background: rgba(var(--user-rgb), 0.12) !important;
  
  /* Dynamic glow based on selection */
  box-shadow:
    0 0 0 3px rgba(var(--user-rgb), 0.22),
    0 22px 55px rgba(0,0,0,0.20),
    0 18px 60px rgba(var(--user-rgb), 0.18) !important;
}

/* ---------------------------------------------------------
   FRAME THUMBNAIL OVERRIDES (Force User Color)
   This section forces the previews to respect the color picker
   --------------------------------------------------------- */

/* 1. Ring Frame (Default is red border, force user color) */
.frame-preview-ring::before {
  border-color: var(--user-color) !important;
  opacity: 1 !important;
}
.frame-option-inner.frame-preview-ring {
  background: radial-gradient(circle, rgba(255,255,255,0.08), rgba(255,255,255,0.02)) !important;
}

/* 2. Card Frame (Default is blue shadow, force user color) */
.frame-option-inner.frame-preview-card {
  /* Dynamic background tint */
  background: linear-gradient(135deg, rgba(var(--user-rgb),0.22), rgba(2,6,23,0.95)) !important;
  border: 1px solid rgba(var(--user-rgb),0.45) !important;
  /* Dynamic inner glow */
  box-shadow:
    0 0 0 2px rgba(var(--user-rgb), 0.55) inset,
    0 14px 30px rgba(0,0,0,0.30) !important;
}

/* 3. Scan Corners (Default is blue, force user color) */
.frame-option-inner.frame-preview-scan {
  box-shadow: inset 0 0 0 2px rgba(var(--user-rgb), 0.25) !important;
}
.frame-option-inner.frame-preview-scan::before {
  /* Re-create the corner gradients using the user variable */
  background:
    linear-gradient(var(--user-color), var(--user-color)) left top / 12px 3px no-repeat,
    linear-gradient(var(--user-color), var(--user-color)) left top / 3px 12px no-repeat,
    linear-gradient(var(--user-color), var(--user-color)) right top / 12px 3px no-repeat,
    linear-gradient(var(--user-color), var(--user-color)) right top / 3px 12px no-repeat,
    linear-gradient(var(--user-color), var(--user-color)) left bottom / 12px 3px no-repeat,
    linear-gradient(var(--user-color), var(--user-color)) left bottom / 3px 12px no-repeat,
    linear-gradient(var(--user-color), var(--user-color)) right bottom / 12px 3px no-repeat,
    linear-gradient(var(--user-color), var(--user-color)) right bottom / 3px 12px no-repeat !important;
}

/* 4. Gradient Ring (Force user color) */
.frame-option-inner.frame-preview-gradient-ring::before {
  background: linear-gradient(135deg, var(--user-color), rgba(34,197,94,0.85)) border-box !important;
}

/* 5. Badge (Handle color) */
.frame-option-inner.frame-preview-badge::after {
  background: linear-gradient(90deg, var(--user-color), rgba(34,197,94,0.65)) !important;
  box-shadow: 0 0 12px rgba(var(--user-rgb), 0.25) !important;
}


/* ---------------------------------------------------------
   Live preview: more premium glow + shimmer
   --------------------------------------------------------- */
.preview-box {
  border: 1px solid rgba(148, 163, 184, 0.18) !important;
  background: rgba(2, 6, 23, 0.36) !important;
  box-shadow: var(--ui-shadow-2);
  position: relative;
  overflow: hidden;
  /* Make it responsive */
  width: 100% !important;
  max-width: 320px;
  margin: 0 auto;
  aspect-ratio: 1 / 1;
  height: auto !important;
}

.preview-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(59,130,246,0.12), transparent 45%),
    radial-gradient(circle at 70% 80%, rgba(34,197,94,0.10), transparent 55%);
  opacity: 0.9;
  pointer-events: none;
}

/* When QR exists, ui.js adds .has-qr to generator-card */
.generator-card.has-qr .preview-box {
  box-shadow:
    0 22px 80px rgba(0,0,0,0.40),
    0 18px 70px rgba(59,130,246,0.14),
    0 14px 60px rgba(34,197,94,0.08);
}

.preview-box .preview-placeholder {
  position: relative;
  z-index: 2; /* Ensure placeholder text sits above effects */
}
.preview-box .preview-placeholder::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.06), transparent);
  transform: translateX(-120%);
  animation: qrnovaShimmer 2.25s var(--ui-ease) infinite;
  opacity: 0.6;
  pointer-events: none;
}

@keyframes qrnovaShimmer {
  0%   { transform: translateX(-120%); }
  60%  { transform: translateX(120%); }
  100% { transform: translateX(120%); }
}

/* Canvas pop-in */
#qr-preview canvas.ui-pop {
  animation: qrnovaPop 220ms var(--ui-ease);
  max-width: 100%;
  height: auto !important;
}
@keyframes qrnovaPop {
  from { transform: scale(0.985); opacity: 0.25; }
  to   { transform: scale(1); opacity: 1; }
}

/* Status pill glow pulse when active */
.status-pill:not(.inactive) {
  animation: qrnovaPulse 1.8s ease-in-out infinite;
}
@keyframes qrnovaPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.0); }
  50%      { box-shadow: 0 0 0 7px rgba(34, 197, 94, 0.10); }
}

/* Error shake helper */
.ui-shake { animation: qrnovaShake 340ms var(--ui-ease); }
@keyframes qrnovaShake {
  0% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
  100% { transform: translateX(0); }
}

/* Section reveal */
.ui-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 520ms var(--ui-ease), transform 520ms var(--ui-ease);
}
.ui-reveal.ui-in {
  opacity: 1;
  transform: translateY(0);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  body::before,
  body::after,
  .status-pill:not(.inactive),
  .preview-box .preview-placeholder::after,
  #qr-preview canvas.ui-pop,
  .generator-card::after {
    animation: none !important;
  }

  .design-tabs::before,
  .design-section .design-tab-panel,
  .btn,
  .frame-option,
  .shape-option,
  .logo-option,
  .input,
  .select,
  .color-input-wrapper,
  .ui-reveal {
    transition: none !important;
  }
}

/* =========================================================
   QRNova UI Patch — Shape thumbnails (Contrast)
   ========================================================= */

:root{
  --ui-swatch-ink: rgba(246, 248, 255, 0.92);
  --ui-swatch-ink-dim: rgba(246, 248, 255, 0.72);
}

.shape-swatch{
  background-color: rgba(255, 255, 255, 0.035) !important;
  border-radius: 12px;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    inset 0 -1px 0 rgba(0,0,0,0.22);
}

.shape-swatch-classic{
  background-image:
    linear-gradient(90deg, var(--ui-swatch-ink) 0 10px, transparent 10px 20px, var(--ui-swatch-ink) 20px 30px, transparent 30px),
    linear-gradient(var(--ui-swatch-ink) 0 10px, transparent 10px 20px, var(--ui-swatch-ink) 20px 30px, transparent 30px) !important;
  background-size: 20px 20px !important;
}

.shape-swatch-rounded{
  background-image:
    radial-gradient(circle, var(--ui-swatch-ink) 45%, transparent 46%),
    radial-gradient(circle, var(--ui-swatch-ink) 45%, transparent 46%),
    radial-gradient(circle, var(--ui-swatch-ink) 45%, transparent 46%),
    radial-gradient(circle, var(--ui-swatch-ink) 45%, transparent 46%) !important;
  background-position: 0 0, 22px 0, 0 22px, 22px 22px !important;
  background-size: 22px 22px !important;
  background-repeat: no-repeat !important;
}

.shape-swatch-dots{
  background-image:
    radial-gradient(circle, var(--ui-swatch-ink) 40%, transparent 41%) !important;
  background-size: 10px 10px !important;
}

.shape-swatch-bars{
  background-image:
    linear-gradient(var(--ui-swatch-ink) 0 6px, transparent 6px 12px) !important;
  background-size: 100% 12px !important;
}

.shape-swatch-lines{
  background-image:
    linear-gradient(90deg, var(--ui-swatch-ink) 0 6px, transparent 6px 12px) !important;
  background-size: 12px 100% !important;
}

.shape-swatch-inset{
  background-image:
    linear-gradient(90deg, var(--ui-swatch-ink) 0 6px, transparent 6px 18px, var(--ui-swatch-ink) 18px 24px, transparent 24px),
    linear-gradient(var(--ui-swatch-ink) 0 6px, transparent 6px 18px, var(--ui-swatch-ink) 18px 24px, transparent 24px) !important;
  background-size: 24px 24px !important;
}

.shape-swatch-squircle{
  border-radius: 18px !important;
  background-image:
    radial-gradient(circle, var(--ui-swatch-ink) 52%, transparent 53%),
    radial-gradient(circle, var(--ui-swatch-ink) 52%, transparent 53%),
    radial-gradient(circle, var(--ui-swatch-ink) 52%, transparent 53%),
    radial-gradient(circle, var(--ui-swatch-ink) 52%, transparent 53%) !important;
  background-position: 0 0, 22px 0, 0 22px, 22px 22px !important;
  background-size: 22px 22px !important;
  background-repeat: no-repeat !important;
}

.shape-swatch-diamond{
  background: var(--ui-swatch-ink) !important;
  clip-path: polygon(50% 8%, 92% 50%, 50% 92%, 8% 50%);
}

.shape-swatch-hex{
  background: var(--ui-swatch-ink) !important;
  clip-path: polygon(25% 8%, 75% 8%, 92% 50%, 75% 92%, 25% 92%, 8% 50%);
}

/* Ensure preview tiles can host pseudo elements */
.frame-option-inner.frame-preview-ring,
.frame-option-inner.frame-preview-card,
.frame-option-inner.frame-preview-badge,
.frame-option-inner.frame-preview-gradient-ring,
.frame-option-inner.frame-preview-scan{
  position: relative;
  overflow: visible;
}

/* Mini QR mosaic (visual hint) — using default color vars, 
   we can just leave them white/grey as they represent the code itself */
:root{
  --thumb-qr-ink: rgba(226,232,240,0.92);
  --thumb-qr-ink-dim: rgba(226,232,240,0.62);
}

.frame-option-inner.frame-preview-ring::after,
.frame-option-inner.frame-preview-card::after,
.frame-option-inner.frame-preview-gradient-ring::after,
.frame-option-inner.frame-preview-scan::after{
  content: "" !important;
  position: absolute !important;
  left: 50% !important;
  top: 52% !important;
  width: 6px !important;
  height: 6px !important;
  border-radius: 2px !important;
  background: var(--thumb-qr-ink) !important;
  transform: translate(-50%, -50%) !important;
  opacity: 0.92 !important;
  pointer-events: none !important;
  box-shadow:
    -18px -18px 0 var(--thumb-qr-ink),
    -6px  -18px 0 var(--thumb-qr-ink),
     6px  -18px 0 var(--thumb-qr-ink-dim),
     18px -18px 0 var(--thumb-qr-ink),

    -18px -6px  0 var(--thumb-qr-ink-dim),
    -6px  -6px  0 var(--thumb-qr-ink),
     6px  -6px  0 var(--thumb-qr-ink),
     18px -6px  0 var(--thumb-qr-ink-dim),

    -18px  6px  0 var(--thumb-qr-ink),
    -6px   6px  0 var(--thumb-qr-ink-dim),
     6px   6px  0 var(--thumb-qr-ink),
     18px  6px  0 var(--thumb-qr-ink),

    -18px  18px 0 var(--thumb-qr-ink-dim),
    -6px   18px 0 var(--thumb-qr-ink),
     6px   18px 0 var(--thumb-qr-ink-dim),
     18px  18px 0 var(--thumb-qr-ink);
}

.frame-option-inner.frame-preview-badge::before{
  content: "" !important;
  position: absolute !important;
  left: 50% !important;
  top: 50% !important;
  width: 6px !important;
  height: 6px !important;
  border-radius: 2px !important;
  background: var(--thumb-qr-ink) !important;
  transform: translate(-50%, -50%) !important;
  opacity: 0.92 !important;
  pointer-events: none !important;
  box-shadow:
    -18px -18px 0 var(--thumb-qr-ink),
    -6px  -18px 0 var(--thumb-qr-ink),
     6px  -18px 0 var(--thumb-qr-ink-dim),
     18px -18px 0 var(--thumb-qr-ink),

    -18px -6px  0 var(--thumb-qr-ink-dim),
    -6px  -6px  0 var(--thumb-qr-ink),
     6px  -6px  0 var(--thumb-qr-ink),
     18px -6px  0 var(--thumb-qr-ink-dim),

    -18px  6px  0 var(--thumb-qr-ink),
    -6px   6px  0 var(--thumb-qr-ink-dim),
     6px   6px  0 var(--thumb-qr-ink),
     18px  6px  0 var(--thumb-qr-ink),

    -18px  18px 0 var(--thumb-qr-ink-dim),
    -6px   18px 0 var(--thumb-qr-ink),
     6px   18px 0 var(--thumb-qr-ink-dim),
     18px  18px 0 var(--thumb-qr-ink);
}

/* Remove decorative mini-QR dots from specific previews if needed */
.frame-option-inner.frame-preview-ring::after,
.frame-option-inner.frame-preview-card::after,
.frame-option-inner.frame-preview-gradient-ring::after,
.frame-option-inner.frame-preview-scan::after,
.frame-option-inner.frame-preview-badge::before{
  content: none !important;
  box-shadow: none !important;
  background: transparent !important;
}

/* =========================================================
   MOBILE LAYOUT FIXES
   - Forces generator to stack vertically on small screens
   - Ensures preview box does not overflow horizontally
   - Adds padding to prevent cut-off
   ========================================================= */
@media (max-width: 900px) {
  /* Force vertical stacking - block avoids implicit grid gaps breaking flow */
  .generator-body > div:last-child {
    display: block !important;
    width: 100% !important;
  }

  /* Space out the sections vertically */
  .generator-preview {
    width: 100% !important;
    margin-top: 24px !important;
    margin-bottom: 24px !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 12px; /* Added spacing to prevent cut-off */
  }

  .design-section {
    width: 100% !important;
    margin-top: 0 !important;
  }
  
  /* Ensure preview box doesn't overflow */
  .preview-box {
    width: 100% !important;
    max-width: 300px !important; /* Increased width slightly */
    min-height: 280px; /* Ensure height availability */
    height: auto !important;
    /* Removed aspect-ratio to prevent clipping when content is tall */
    aspect-ratio: auto !important; 
    margin: 0 auto;
    padding: 10px; /* Added internal padding to prevent edge clipping */
  }

  /* Ensure canvases inside scale down and contain properly */
  .preview-box canvas, 
  .preview-box img {
    max-width: 100% !important;
    height: auto !important;
    object-fit: contain; /* Ensure entire QR image is visible within box */
  }

  /* Fix page padding */
  .page {
    padding-left: 16px !important;
    padding-right: 16px !important;
    overflow-x: hidden; /* Prevent horizontal scroll */
  }

  /* Ensure footer text is visible on mobile */
  .preview-footer {
    margin-top: 12px;
    color: rgba(226, 232, 240, 0.8) !important;
    width: 100%;
    justify-content: center;
  }
}