/* ═══════════════════════════════════════════
   LuxEditor — styles.css
   Premium Dark Photo Editor UI
   Mobile-first, Apple × Lightroom aesthetic
   ═══════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --bg0:  #06060f;
  --bg1:  #0b0b17;
  --bg2:  #10101e;
  --bg3:  #171728;
  --bg4:  #1e1e32;
  --bg5:  #26263c;
  --glass: rgba(10,10,20,0.85);
  --gb:   rgba(255,255,255,0.05);
  --gbl:  24px;

  --acc:  #f5a623;
  --acc2: #ffbe5c;
  --acc-g: rgba(245,166,35,0.20);
  --acc-u: rgba(245,166,35,0.08);

  --t1: #f2f2f7;
  --t2: rgba(242,242,247,0.70);
  --t3: rgba(242,242,247,0.38);
  --t4: rgba(242,242,247,0.16);

  --border: rgba(255,255,255,0.06);
  --border2: rgba(255,255,255,0.025);

  --danger: #ff453a;

  --top-h: 52px;
  --bot-h: 108px;
  --stat-h: 26px;
  --left-w: 220px;
  --right-w: 272px;

  --r1: 9px;
  --r2: 13px;
  --r3: 18px;
  --r4: 22px;
  --t: 0.16s cubic-bezier(0.4, 0, 0.2, 1);
  
  --safe-area-inset-top: env(safe-area-inset-top, 0px);
  --safe-area-inset-bottom: env(safe-area-inset-bottom, 0px);
}

.theme-light {
  /* Ivory + Donkey Brown palette */
  --bg0: #FFF2E1;
  --bg1: #FAE8D2;
  --bg2: #F3DCC2;
  --bg3: #EAD0B0;
  --bg4: #E0C49E;
  --bg5: #D6B88C;
  --glass: rgba(255,242,225,0.90);
  --gb:   rgba(167,146,119,0.08);
  --gbl: 20px;
  --border: rgba(167,146,119,0.22);
  --border2: rgba(167,146,119,0.09);

  /* Warm dark-brown text — fully readable on ivory */
  --t1: #2A1800;
  --t2: rgba(42,24,0,0.72);
  --t3: rgba(42,24,0,0.46);
  --t4: rgba(42,24,0,0.22);

  /* Keep amber accent — pairs perfectly with the warm palette */
  --acc:  #c47d1a;
  --acc2: #e0952a;
  --acc-g: rgba(196,125,26,0.22);
  --acc-u: rgba(196,125,26,0.10);
  --danger: #c0392b;
}

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

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 13px;
  background: var(--bg0);
  color: var(--t1);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Prevent pull-to-refresh and overscroll bounce on mobile */
  overscroll-behavior: none;
  -webkit-overflow-scrolling: touch;
  /* Improve touch responsiveness */
  touch-action: pan-x pan-y;
}

::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.18); }

.hidden { display: none !important; }

/* ── Dividers ── */
.sep-v {
  width: 1px; height: 18px;
  background: var(--border);
  flex-shrink: 0;
}

/* ═══════════════════ ANIMATIONS ═══════════════════ */

@keyframes fadeIn    { from { opacity:0 } to { opacity:1 } }
@keyframes slideUp   { from { opacity:0; transform:translateY(16px) } to { opacity:1; transform:none } }
@keyframes slideLeft { from { opacity:0; transform:translateX(-16px) } to { opacity:1; transform:none } }
@keyframes slideRight{ from { opacity:0; transform:translateX(16px) } to { opacity:1; transform:none } }
@keyframes spin      { to { transform:rotate(360deg) } }
@keyframes shimmer   { 0%{background-position:-200% center} 100%{background-position:200% center} }
@keyframes meshAnim  { 0%{transform:translate(0,0) scale(1)} 40%{transform:translate(2%,4%) scale(1.02)} 80%{transform:translate(-1%,2%) scale(0.99)} 100%{transform:translate(0,0) scale(1)} }
@keyframes borderBlink { 0%,100%{border-color:rgba(245,166,35,.35)} 50%{border-color:rgba(245,166,35,.8)} }
@keyframes toastIn   { from{opacity:0;transform:translateY(8px) scale(.96)} to{opacity:1;transform:none} }
@keyframes toastOut  { to{opacity:0;transform:translateY(-6px) scale(.96)} }
@keyframes logoPulse { 0%,100%{filter:drop-shadow(0 0 6px rgba(245,166,35,0.5))} 50%{filter:drop-shadow(0 0 16px rgba(245,166,35,1))} }
@keyframes accentShine { 0%{background-position:200% center} 100%{background-position:-200% center} }

/* ═══════════════════ LOADING ═══════════════════ */

.loading-overlay {
  position: fixed; inset: 0; z-index: 9000;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: rgba(8,8,16,0.88);
  backdrop-filter: blur(10px);
  animation: fadeIn .2s;
}

.loader-ring {
  width: 42px; height: 42px;
  border: 2.5px solid var(--border);
  border-top-color: var(--acc);
  border-radius: 50%;
  animation: spin .75s linear infinite;
}

.loader-text {
  margin-top: 14px;
  color: var(--t3); font-size: 12px; letter-spacing: .04em;
}

/* ═══════════════════ APP STARTUP LOADER ═══════════════════ */

@keyframes appLoaderMarkPulse {
  0%,100% { opacity:.55; transform:scale(1) rotate(0deg); }
  50%      { opacity:1;   transform:scale(1.12) rotate(15deg); }
}
@keyframes appLoaderBarFill {
  from { width:0% }
  to   { width:76% }
}
@keyframes appLoaderFadeIn {
  from { opacity:0; transform:translateY(10px); }
  to   { opacity:1; transform:translateY(0); }
}

.app-loader {
  position: fixed; inset: 0; z-index: 9999;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg0);
  opacity: 1;
  transition: opacity .48s cubic-bezier(0.4,0,0.2,1);
  pointer-events: all;
}
.app-loader.app-loader-hiding {
  opacity: 0;
  pointer-events: none;
}

.app-loader-inner {
  display: flex; flex-direction: column; align-items: center;
  animation: appLoaderFadeIn .45s cubic-bezier(0.4,0,0.2,1) both;
  user-select: none;
}

.app-loader-logo {
  display: flex; align-items: center; gap: 11px;
  margin-bottom: 32px;
}

.app-loader-mark {
  font-size: 30px;
  color: var(--acc);
  display: inline-block;
  animation: appLoaderMarkPulse 2.2s ease-in-out infinite;
  filter: drop-shadow(0 0 14px rgba(245,166,35,.65));
  line-height: 1;
}

.app-loader-name {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -.025em;
  color: var(--t1);
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
}

.app-loader-bar-track {
  width: 160px; height: 2px;
  background: var(--border);
  border-radius: 99px;
  overflow: hidden;
}

.app-loader-bar {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--acc), var(--acc2));
  border-radius: 99px;
  animation: appLoaderBarFill .75s cubic-bezier(0.4,0,0.2,1) forwards;
  transition: width .18s cubic-bezier(0.4,0,0.2,1);
  box-shadow: 0 0 8px rgba(245,166,35,.5);
}
.app-loader.app-loader-done .app-loader-bar {
  width: 100%;
}

.app-loader-hint {
  margin-top: 18px;
  color: var(--t3);
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

/* ═══════════════════ TOAST ═══════════════════ */

.toast-container {
  position: fixed;
  bottom: calc(var(--bot-h) + var(--stat-h) + 20px);
  left: 50%; transform: translateX(-50%);
  z-index: 8000;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  pointer-events: none;
}

.toast {
  padding: 9px 24px;
  background: rgba(16,16,28,0.97);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 99px;
  color: #f2f2f7; font-size: 12.5px; font-weight: 500;
  box-shadow:
    0 12px 44px rgba(0,0,0,0.75),
    0 0 0 0.5px rgba(255,255,255,0.08),
    inset 0 1px 0 rgba(255,255,255,0.13);
  animation: toastIn .2s ease forwards;
  backdrop-filter: blur(28px) saturate(200%);
  white-space: nowrap;
  pointer-events: auto;
  letter-spacing: .01em;
}

.toast.leaving { animation: toastOut .2s ease forwards; }

/* ═══════════════════ MOBILE OVERLAY ═══════════════════ */

.mobile-overlay {
  display: none;
  position: fixed; inset: 0; z-index: 180;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
}

.mobile-overlay.active {
  display: block;
  opacity: 1;
  pointer-events: auto;
  animation: fadeIn .2s;
}

.side-handle {
  display: none;
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  z-index: 270;
  padding: 8px 6px;
  border: 1px solid rgba(245,166,35,0.28);
  border-radius: 10px;
  background: rgba(8, 8, 18, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  color: var(--acc);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .03em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(0,0,0,0.55), 0 0 0 0.5px rgba(245,166,35,0.12), inset 0 1px 0 rgba(255,255,255,0.09);
}

.side-handle-left { left: 6px; }
.side-handle-right { right: 6px; }

/* ═══════════════════ TOP BAR ═══════════════════ */

.top-bar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--top-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 14px; gap: 8px;
  background: rgba(5,5,14,0.92);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  box-shadow: 0 1px 0 rgba(245,166,35,0.14), 0 4px 32px rgba(0,0,0,0.55);
  backdrop-filter: blur(32px) saturate(200%);
  -webkit-backdrop-filter: blur(32px) saturate(200%);
  z-index: 100;
  animation: slideUp .3s ease;
  padding-top: var(--safe-area-inset-top);
  height: calc(var(--top-h) + var(--safe-area-inset-top));
}

.theme-light .top-bar {
  background: rgba(235,235,245,0.85);
  border-bottom-color: rgba(0,0,0,0.06);
}

.tbs { display: flex; align-items: center; gap: 6px; }
.tbs-left  { flex: 1; min-width:0; }
.tbs-right { justify-content: flex-end; }
.tbs-center { gap: 4px; }

/* Logo */
.logo {
  display: flex; align-items: center; gap: 7px;
  font-weight: 700; font-size: 16px; letter-spacing: -.5px;
  margin-right: 10px; flex-shrink: 0;
}

.logo-mark {
  color: var(--acc); font-size: 16px;
  animation: logoPulse 3.5s ease-in-out infinite;
}
.logo-name { color: var(--t1); letter-spacing: -.3px; }

/* File info */
.file-info {
  display: flex; align-items: center; gap: 6px;
  overflow: hidden; white-space: nowrap;
}

.file-name {
  color: var(--t3); font-size: 12px;
  overflow: hidden; text-overflow: ellipsis; max-width: 160px;
}

.file-dim { color: var(--t4); font-size: 11px; flex-shrink: 0; }

/* Zoom */
.zoom-badge {
  font-size: 11.5px; font-weight: 600; color: var(--t2);
  min-width: 40px; text-align: center;
  padding: 3px 8px;
  background: linear-gradient(160deg, var(--bg3) 0%, var(--bg4) 100%);
  border: 1px solid var(--border);
  border-radius: var(--r1);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}

/* Undo/Redo */
.hist-ct {
  font-size: 11px; color: var(--t4);
  min-width: 32px; text-align: center;
  font-family: monospace;
}

/* Icon buttons */
.icon-btn {
  display: flex; align-items: center; justify-content: center; gap: 5px;
  padding: 6px 9px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--r1);
  color: var(--t2);
  cursor: pointer; font-size: 12px;
  transition: background var(--t), border-color var(--t), color var(--t), transform var(--t);
  min-width: 34px; min-height: 34px;
  flex-shrink: 0;
}

.icon-btn svg { width: 15px; height: 15px; fill: currentColor; flex-shrink: 0; }

.icon-btn:hover  { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.08); color: var(--t1); }
.icon-btn:active { background: rgba(255,255,255,0.04); transform: scale(.94); }
.icon-btn:disabled { opacity: .25; pointer-events: none; }

.theme-light .icon-btn:hover { background: rgba(0,0,0,0.05); border-color: rgba(0,0,0,0.08); }

/* Fast-tap: remove 300ms delay on all interactive elements */
button, a, label, .tool-btn, .icon-btn, .chip, .fmt-btn,
.filter-thumb, .upload-btn, .tab, .adj-hd, [data-tool], [data-ratio],
[data-preset], [data-fmt], [data-feature], .export-btn, .ai-toggle-btn {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* AI button */
.ai-toggle-btn {
  display: flex; align-items: center; gap: 5px;
  padding: 6px 13px;
  background: rgba(245,166,35,0.08);
  border: 1px solid rgba(245,166,35,0.18);
  border-radius: var(--r1);
  color: var(--acc); font-size: 12px; font-weight: 600;
  cursor: pointer;
  transition: all var(--t);
  flex-shrink: 0;
  letter-spacing: .01em;
}

.ai-toggle-btn:hover {
  background: rgba(245,166,35,0.14);
  border-color: rgba(245,166,35,0.35);
  box-shadow: 0 0 12px rgba(245,166,35,0.15);
}
.ai-toggle-btn:active { transform: scale(.95); }

/* RGB chip */
.rgb-chip {
  display: flex; align-items: center; gap: 6px;
  font-size: 11.5px; color: var(--t3);
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.rgb-dot {
  width: 14px; height: 14px;
  border-radius: 4px; background: #888;
  border: 1px solid var(--border); flex-shrink: 0;
}

/* Export button */
.export-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 16px;
  background: linear-gradient(135deg, #f5a623 0%, #ffbf47 100%);
  border: none;
  border-radius: var(--r2);
  color: #000; font-weight: 700; font-size: 12.5px;
  cursor: pointer;
  transition: background var(--t), transform var(--t), box-shadow var(--t);
  flex-shrink: 0;
  letter-spacing: .01em;
  box-shadow: 0 2px 14px rgba(245,166,35,0.4), inset 0 1px 0 rgba(255,255,255,0.35);
}

.export-btn svg { width: 13px; height: 13px; fill: currentColor; }
.export-btn:hover {
  background: linear-gradient(135deg, #ffbf47 0%, #ffd270 100%);
  box-shadow: 0 0 28px rgba(245,166,35,0.6), 0 4px 16px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.4);
  transform: translateY(-1.5px);
}
.export-btn:active { transform: scale(.96); box-shadow: 0 2px 8px rgba(245,166,35,0.25); }

/* Mobile-only / desk-only */
.mob-only  { display: none !important; }
.desk-only { display: flex; }

@media (max-width: 767px) {
  .mob-only  { display: flex !important; }
  .desk-only { display: none !important; }
}

/* ═══════════════════ WORKSPACE ═══════════════════ */

.workspace {
  position: fixed;
  top: calc(var(--top-h) + var(--safe-area-inset-top));
  left: 0; right: 0;
  bottom: calc(var(--bot-h) + var(--stat-h) + var(--safe-area-inset-bottom));
  display: grid;
  grid-template-columns: var(--left-w) 1fr var(--right-w);
  overflow: hidden;
}

/* ═══════════════════ PANELS ═══════════════════ */

.panel {
  background: var(--glass);
  backdrop-filter: blur(var(--gbl)) saturate(200%) brightness(1.06);
  -webkit-backdrop-filter: blur(var(--gbl)) saturate(200%) brightness(1.06);
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  border-top: 1px solid rgba(255,255,255,0.10);
  will-change: transform;
  /* contain: layout paint — panels are self-contained: changing content inside
     cannot affect layout outside, letting the browser skip global layout/paint passes. */
  contain: layout paint;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.09),
    inset 0 2px 0 rgba(245,166,35,0.07),
    0 0 0 0.5px rgba(255,255,255,0.04);
  position: relative;
  isolation: isolate;
}

.panel-left  { border-right: 1px solid var(--border); animation: slideLeft .35s ease; }
.panel-right {
  border-left: 1px solid var(--border);
  animation: slideRight .35s ease;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  will-change: transform;
}

/* ── LEFT: TOOL GRID ── */

.tool-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  padding: 10px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.tool-btn {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 4px; padding: 10px 4px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--r2);
  color: var(--t3); font-size: 10px; font-weight: 500;
  cursor: pointer;
  transition: all var(--t);
  user-select: none;
}

.tool-btn svg { width: 18px; height: 18px; fill: currentColor; }
.tool-btn:hover { background: var(--bg4); color: var(--t1); border-color: var(--border); }
.tool-btn.active {
  background: linear-gradient(160deg, rgba(245,166,35,0.15) 0%, rgba(245,166,35,0.06) 100%);
  color: var(--acc);
  border-color: rgba(245,166,35,.36);
  box-shadow: inset 0 1px 0 rgba(245,166,35,0.22), 0 2px 10px rgba(0,0,0,0.18);
}
.tool-btn.active svg { filter: drop-shadow(0 0 5px rgba(245,166,35,0.65)); }

/* Tool options area */
.tool-opts-area {
  flex: 1; overflow-y: auto;
  padding: 12px;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  touch-action: pan-y;
  will-change: scroll-position;
}

.opt-panel { animation: fadeIn .18s; }
.opt-panel.hidden { display: none; }

.opt-title {
  font-size: 10.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .07em;
  color: var(--t3); margin-bottom: 8px;
}

.opt-hint { font-size: 10.5px; color: var(--t4); margin-top: 8px; text-align: center; }

/* Chip rows */
.chip-row {
  display: flex; flex-wrap: wrap; gap: 4px;
  margin-bottom: 10px;
}

.chip {
  padding: 5px 11px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 99px;
  color: var(--t2); font-size: 11px;
  cursor: pointer; transition: all var(--t);
  touch-action: manipulation;
}

.chip:hover { background: var(--bg4); color: var(--t1); }
.chip.active { background: var(--acc-u); border-color: rgba(245,166,35,.45); color: var(--acc); font-weight: 600; box-shadow: 0 0 12px rgba(245,166,35,0.18); }

/* Button pairs */
.btn-pair {
  display: flex; gap: 6px;
}

.btn-primary, .btn-ghost, .btn-danger {
  flex: 1; padding: 8px 12px;
  border-radius: var(--r1);
  font-size: 12px; font-weight: 600;
  cursor: pointer; transition: all var(--t); text-align: center;
  border: 1px solid;
}

.btn-primary {
  background: linear-gradient(135deg, #f5a623 0%, #ffbf47 100%);
  border-color: transparent; color: #000;
  box-shadow: 0 3px 12px rgba(245,166,35,0.35), inset 0 1px 0 rgba(255,255,255,0.3);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #ffbf47 0%, #ffd270 100%);
  box-shadow: 0 0 18px rgba(245,166,35,0.45), 0 4px 12px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.35);
}

.btn-ghost {
  background: var(--bg3); border-color: var(--border); color: var(--t2);
}
.btn-ghost:hover { background: var(--bg4); color: var(--t1); }

.btn-danger {
  background: rgba(255,85,85,.1); border-color: rgba(255,85,85,.25); color: var(--danger);
}
.btn-danger:hover { background: rgba(255,85,85,.18); }

.w-full { width: 100%; }

/* Slider rows */
.srow {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 8px;
}

.sv {
  font-size: 11px; color: var(--t2);
  min-width: 28px; text-align: right;
  font-family: monospace;
}

/* Flex row */
.flex-r { display: flex; align-items: center; gap: 6px; }

/* Color input */
.c-input {
  -webkit-appearance: none;
  appearance: none;
  width: 32px; height: 32px;
  border: 1px solid var(--border); border-radius: var(--r1);
  cursor: pointer; overflow: hidden; padding: 0; background: none;
}
.c-input::-webkit-color-swatch-wrapper { padding: 0; }
.c-input::-webkit-color-swatch { border: none; border-radius: 6px; }

/* Select input */
.s-input {
  width: 100%; padding: 7px 10px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--r1);
  color: var(--t1); font-size: 12px;
  outline: none; cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 6' fill='rgba(255,255,255,0.3)'%3E%3Cpath d='M0 0l5 6 5-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 10px;
  padding-right: 28px;
}
.s-input:focus { border-color: rgba(245,166,35,.4); outline: none; }

/* Number inputs */
.dim-inputs {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 6px;
}
.n-input {
  flex: 1; padding: 7px 8px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--r1);
  color: var(--t1); font-size: 12px; outline: none;
}
.n-input:focus { border-color: rgba(245,166,35,.4); }
.dim-x { color: var(--t4); font-size: 14px; flex-shrink: 0; }

/* Toggle switch */
.tog {
  position: relative; display: inline-block;
  width: 28px; height: 16px; cursor: pointer; flex-shrink: 0;
}
.tog input { opacity: 0; width: 0; height: 0; }
.tog-k {
  position: absolute; inset: 0;
  background: var(--bg4); border: 1px solid var(--border);
  border-radius: 99px;
  transition: background var(--t), border-color var(--t);
}
.tog-k::after {
  content: '';
  position: absolute; top: 2px; left: 2px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--t3);
  transition: transform var(--t), background var(--t);
}
.tog input:checked + .tog-k { background: var(--acc-u); border-color: rgba(245,166,35,.4); }
.tog input:checked + .tog-k::after { transform: translateX(12px); background: var(--acc); }

/* Reset row */
.reset-row { padding: 12px 14px 8px; }

/* Tool section reset row */
.tool-reset-row {
  padding: 8px 10px;
  border-top: 1px solid var(--border);
}

.btn-reset-tools {
  width: 100%;
  padding: 9px 12px;
  background: rgba(245,166,35,0.07);
  border: 1px solid rgba(245,166,35,0.22);
  border-radius: var(--r2);
  color: var(--acc);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: all var(--t);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.btn-reset-tools:hover {
  background: rgba(245,166,35,0.14);
  border-color: rgba(245,166,35,0.45);
  box-shadow: 0 0 12px rgba(245,166,35,0.15);
}

.btn-reset-tools:active {
  transform: scale(0.97);
  background: rgba(245,166,35,0.10);
}

.btn-reset-tools svg {
  width: 13px;
  height: 13px;
  fill: currentColor;
  flex-shrink: 0;
}

.theme-light .btn-reset-tools {
  background: rgba(196,125,26,0.08);
  border-color: rgba(196,125,26,0.28);
  color: var(--acc);
}

/* ═══════════════════ SLIDER ═══════════════════ */

.slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%; height: 5px;
  background: linear-gradient(
    to right,
    var(--acc) var(--sl-fill, 50%),
    rgba(255,255,255,0.09) var(--sl-fill, 50%)
  );
  border-radius: 99px; outline: none; cursor: pointer;
  flex: 1;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.4);
  /* Critical: prevent parent pan-y from consuming horizontal slider drags on touch */
  touch-action: none;
  transition: background 0s;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px; height: 14px; border-radius: 50%;
  background: #ffffff;
  border: 2px solid var(--bg0);
  box-shadow: 0 2px 8px rgba(0,0,0,0.55), 0 0 0 0 transparent;
  transition: box-shadow var(--t), background var(--t), transform var(--t);
  cursor: grab;
}

.slider::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%;
  background: #ffffff; border: 2px solid var(--bg0);
  box-shadow: 0 2px 8px rgba(0,0,0,0.55);
  cursor: grab;
}

.slider:active::-webkit-slider-thumb {
  cursor: grabbing;
  background: var(--acc);
  box-shadow: 0 2px 8px rgba(0,0,0,0.4), 0 0 0 5px rgba(245,166,35,0.25);
  transform: scale(1.15);
}

.slider:hover::-webkit-slider-thumb {
  box-shadow: 0 2px 8px rgba(0,0,0,0.5), 0 0 0 4px rgba(245,166,35,0.2);
}

/* Light mode — icon button hovers use warm tones */
.theme-light .icon-btn:hover {
  background: rgba(167,146,119,0.14);
  border-color: rgba(167,146,119,0.28);
}

/* Light mode — tool/chip/tab active accent */
.theme-light .tool-btn.active {
  background: rgba(196,125,26,0.12);
  color: var(--acc);
  border-color: rgba(196,125,26,0.30);
}

.theme-light .chip.active {
  background: rgba(196,125,26,0.12);
  border-color: rgba(196,125,26,0.35);
  color: var(--acc);
}

/* Light mode upload card — warm text contrast fix */
.theme-light .upload-title { color: #2A1800; }
.theme-light .upload-sub   { color: rgba(42,24,0,0.58); }
.theme-light .upload-note  { color: rgba(42,24,0,0.38); }

/* Light mode — canvas & upload overrides */
.theme-light .canvas-area {
  background-color: #F5E6CF;
  background-image:
    radial-gradient(ellipse at 50% 0%, rgba(167,146,119,0.18) 0%, transparent 60%),
    radial-gradient(ellipse at 100% 100%, rgba(196,125,26,0.10) 0%, transparent 50%),
    linear-gradient(rgba(42,24,0,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42,24,0,.045) 1px, transparent 1px);
  background-size: auto, auto, 36px 36px, 36px 36px;
}

.theme-light .mesh-bg {
  background:
    radial-gradient(ellipse at 25% 35%, rgba(196,125,26,.20) 0%, transparent 50%),
    radial-gradient(ellipse at 78% 60%, rgba(167,146,119,.18) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(220,184,140,.22) 0%, transparent 55%);
}

.theme-light .upload-card {
  background: rgba(255,242,225,0.88);
  border-color: rgba(167,146,119,0.28);
  box-shadow: 0 8px 48px rgba(167,146,119,0.22), 0 0 0 1px rgba(167,146,119,0.12);
}

.theme-light .upload-zone.drag-over .upload-card {
  background: rgba(196,125,26,0.08);
}

.theme-light .upload-icon-wrap {
  background: rgba(255,242,225,0.95);
  box-shadow: 0 0 32px rgba(196,125,26,0.18);
}

.theme-light .upload-note { color: var(--t3); }

/* Light mode top bar — warm ivory glass */
.theme-light .top-bar {
  background: rgba(255,242,225,0.88);
  border-bottom-color: rgba(167,146,119,0.22);
}

/* Light mode bottom bar */
.theme-light .bottom-bar {
  background: rgba(255,242,225,0.90);
  border-top-color: rgba(167,146,119,0.20);
}

/* Light mode tab bar & panels */
.theme-light .tab-bar {
  background: rgba(250,232,210,0.94);
}

.theme-light .panel {
  background: rgba(255,242,225,0.82) !important;
}

/* Light mode scrollbar */
.theme-light ::-webkit-scrollbar-thumb {
  background: rgba(167,146,119,0.35);
}

/* Light mode status bar */
.theme-light .status-bar {
  background: var(--bg0);
  border-top-color: rgba(167,146,119,0.18);
}
.theme-light .stat-credit {
  background: var(--bg2);
  border-color: var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

/* Light mode modal */
.theme-light .modal-box {
  background: rgba(255,242,225,0.97);
  border-color: rgba(167,146,119,0.22);
  box-shadow: 0 32px 80px rgba(42,24,0,0.22);
}

.canvas-area {
  position: relative;
  background-color: #0a0a18;
  background-image:
    radial-gradient(ellipse at 50% 0%, rgba(80,60,180,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 100% 100%, rgba(245,166,35,0.06) 0%, transparent 50%),
    linear-gradient(rgba(255,255,255,.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.032) 1px, transparent 1px);
  background-size: auto, auto, 36px 36px, 36px 36px;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}

/* Upload zone */
.upload-zone {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; overflow: hidden;
}

.upload-zone.drag-over .upload-card {
  border-color: var(--acc);
  background: rgba(245,166,35,0.06);
  transform: scale(1.01);
}

.mesh-bg {
  position: absolute; inset: -20%;
  background:
    radial-gradient(ellipse at 25% 35%, rgba(245,166,35,.14) 0%, transparent 50%),
    radial-gradient(ellipse at 78% 60%, rgba(120,90,255,.12) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(30,200,140,.09) 0%, transparent 55%);
  animation: meshAnim 12s ease-in-out infinite;
}

.upload-card {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center;
  padding: 52px 64px;
  background: rgba(10,10,20,0.72);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--r4);
  backdrop-filter: blur(16px) saturate(140%);
  text-align: center;
  animation: borderBlink 3.5s ease-in-out infinite;
  transition: border-color var(--t), background var(--t), transform .2s ease;
  max-width: 460px; width: 90%;
}

.upload-icon-wrap {
  width: 80px; height: 80px;
  background: linear-gradient(145deg, var(--bg3) 0%, var(--bg4) 100%);
  border: 1px solid rgba(245,166,35,0.22);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 22px;
  box-shadow: 0 0 0 8px rgba(245,166,35,0.06), 0 0 48px rgba(245,166,35,0.18), 0 8px 28px rgba(0,0,0,0.35);
}

.upload-icon-wrap svg {
  width: 36px; height: 36px;
  color: var(--acc);
}

.upload-title {
  font-size: 23px; font-weight: 700; letter-spacing: -.5px;
  color: var(--t1); margin-bottom: 8px;
}

.upload-sub   { font-size: 14px; color: var(--t3); margin-bottom: 5px; }
.upload-formats{ font-size: 11.5px; color: var(--t4); margin-bottom: 26px; }

.upload-btn {
  display: inline-flex; align-items: center;
  padding: 11px 32px;
  background: linear-gradient(135deg, #f5a623 0%, #ffbf47 100%);
  border-radius: var(--r3);
  color: #000; font-weight: 700; font-size: 13.5px;
  cursor: pointer; transition: all var(--t);
  margin-bottom: 14px;
  letter-spacing: .01em;
  box-shadow: 0 4px 22px rgba(245,166,35,0.45), inset 0 1px 0 rgba(255,255,255,0.38);
}
.upload-btn:hover {
  background: linear-gradient(135deg, #ffbf47 0%, #ffd270 100%);
  box-shadow: 0 0 34px rgba(245,166,35,0.6), 0 6px 22px rgba(0,0,0,0.32), inset 0 1px 0 rgba(255,255,255,0.42);
  transform: translateY(-2px);
}
.upload-btn:active { transform: scale(.97); box-shadow: 0 2px 10px rgba(245,166,35,0.28); }
.upload-btn input { display: none; }

.upload-note { font-size: 11px; color: var(--t4); }

/* Canvas wrap */
.canvas-wrap {
  position: relative;
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}

#mainCanvas {
  display: block;
  position: absolute;
  transform-origin: center center;
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.06),
    0 8px 48px rgba(0,0,0,0.75),
    0 28px 110px rgba(0,0,0,0.95);
  cursor: default;
  touch-action: none;
}

.overlay-cv {
  position: absolute;
  pointer-events: none;
  transform-origin: center center;
}

/* Crop */
.crop-overlay {
  position: absolute; inset: 0; z-index: 10;
  pointer-events: none;
}

.crop-box {
  position: absolute;
  border: 1.5px solid rgba(255,255,255,.9);
  cursor: move; pointer-events: all;
  box-shadow: 0 0 0 9999px rgba(0,0,0,.5);
}

.crop-thirds {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.18) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.18) 1px, transparent 1px);
  background-size: 33.33% 33.33%;
}

.crop-handle {
  position: absolute;
  width: 10px; height: 10px;
  background: white; border-radius: 2px;
  border: 1px solid rgba(0,0,0,.35);
  pointer-events: all;
}

.crop-handle[data-h="nw"] { top:-5px; left:-5px; cursor:nw-resize; }
.crop-handle[data-h="n"]  { top:-5px; left:calc(50% - 5px); cursor:n-resize; }
.crop-handle[data-h="ne"] { top:-5px; right:-5px; cursor:ne-resize; }
.crop-handle[data-h="e"]  { top:calc(50% - 5px); right:-5px; cursor:e-resize; }
.crop-handle[data-h="se"] { bottom:-5px; right:-5px; cursor:se-resize; }
.crop-handle[data-h="s"]  { bottom:-5px; left:calc(50% - 5px); cursor:s-resize; }
.crop-handle[data-h="sw"] { bottom:-5px; left:-5px; cursor:sw-resize; }
.crop-handle[data-h="w"]  { top:calc(50% - 5px); left:-5px; cursor:w-resize; }

/* Text overlay */
.text-overlay {
  position: absolute; z-index: 20;
  background: rgba(255,255,255,.05);
  border: 1.5px dashed rgba(245,166,35,.55);
  border-radius: 4px;
  color: white; font-size: 48px;
  padding: 4px 8px; outline: none;
  resize: none; min-width: 80px; min-height: 40px;
}

/* ═══════════════════ RIGHT PANEL ═══════════════════ */

.tab-bar {
  display: flex;
  border-bottom: 1px solid var(--border);
  padding: 8px 12px 0;
  gap: 2px; flex-shrink: 0;
  position: sticky; top: 0; background: rgba(10,10,20,0.9); z-index: 5;
  backdrop-filter: blur(16px) saturate(160%);
}

.tab {
  flex: 1; padding: 8px;
  background: transparent; border: none;
  border-bottom: 2px solid transparent;
  border-radius: var(--r1) var(--r1) 0 0;
  color: var(--t3); font-size: 12px; font-weight: 600;
  cursor: pointer; transition: all var(--t);
}
.tab:hover { color: var(--t1); }
.tab.active {
  color: var(--acc);
  border-bottom-color: var(--acc);
  border-bottom-width: 2.5px;
  text-shadow: 0 0 18px rgba(245,166,35,0.4);
}

.tab-pane { padding: 4px 0; }
.tab-pane.hidden { display: none; }

/* Adj sections */
.adj-sec {
  border-bottom: 1px solid var(--border2);
}

.adj-hd {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 11px 14px;
  background: transparent; border: none;
  color: var(--t2); font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .08em;
  cursor: pointer; transition: color var(--t), background var(--t);
}

.adj-hd:hover { color: var(--t1); background: linear-gradient(90deg, rgba(245,166,35,0.07) 0%, transparent 70%); }

.adj-arr {
  width: 10px; height: 10px; fill: var(--t4);
  transition: transform var(--t);
  flex-shrink: 0;
}

.adj-sec.collapsed .adj-arr { transform: rotate(-90deg); }
.adj-sec.collapsed .adj-body { display: none; }

.adj-body { padding: 2px 14px 10px; }

.adj-row {
  display: grid;
  grid-template-columns: 86px 1fr 26px;
  align-items: center; gap: 8px;
  padding: 5px 0;
  cursor: pointer;
  contain: layout;
}

.adj-row span:first-child {
  font-size: 11.5px; color: var(--t3); white-space: nowrap;
  user-select: none;
}

.av {
  font-size: 10.5px; color: var(--t3);
  text-align: right; font-family: monospace;
  transition: color var(--t);
}

.adj-row:hover span:first-child { color: var(--t1); }
.adj-row:hover .av { color: var(--acc); }
.adj-body .adj-row:hover { background: rgba(245,166,35,0.04); border-radius: 5px; }

/* Filter grid right */
.filter-grid-r {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 8px; padding: 12px;
}

/* ═══════════════════ BOTTOM FILTER STRIP ═══════════════════ */

.bottom-bar {
  position: fixed;
  bottom: var(--stat-h); left: 0; right: 0;
  height: var(--bot-h);
  background: rgba(6,6,15,0.82);
  border-top: 1px solid rgba(255,255,255,0.055);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  z-index: 50;
  animation: slideUp .4s ease;
  overflow: hidden;
}

.theme-light .bottom-bar {
  background: rgba(235,235,245,0.88);
  border-top-color: rgba(0,0,0,0.06);
}

.filter-strip {
  display: flex; align-items: center; gap: 10px;
  height: 100%; padding: 10px 20px;
  overflow-x: auto; overflow-y: hidden;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-x;
  scroll-snap-type: x proximity;
}
.filter-strip::-webkit-scrollbar { display: none; }

/* On desktop show a thin amber-tinted scrollbar for the filter strip */
@media (min-width: 768px) {
  .filter-strip {
    scrollbar-width: thin;
    scrollbar-color: rgba(245,166,35,0.4) transparent;
  }
  .filter-strip::-webkit-scrollbar {
    display: block;
    height: 4px;
  }
  .filter-strip::-webkit-scrollbar-track {
    background: transparent;
  }
  .filter-strip::-webkit-scrollbar-thumb {
    background: rgba(245,166,35,0.35);
    border-radius: 99px;
  }
  .filter-strip::-webkit-scrollbar-thumb:hover {
    background: rgba(245,166,35,0.6);
  }
}

.filter-placeholder {
  width: 100%; color: var(--t4); font-size: 12px; text-align: center;
}

/* Filter thumb */
.filter-thumb {
  display: flex; flex-direction: column; align-items: center; gap: 5px;
  cursor: pointer; flex-shrink: 0;
  position: relative; /* needed for premium badge */
  scroll-snap-align: start; /* pairs with scroll-snap-type: x proximity on .filter-strip */
  transition: transform var(--t);
}
.filter-thumb:hover { transform: translateY(-3px) scale(1.05); }
.filter-thumb.active .filter-cv-wrap {
  border-color: var(--acc);
  box-shadow: 0 0 0 2px rgba(245,166,35,0.35), 0 8px 26px rgba(245,166,35,0.28);
}
.filter-thumb.active .filter-label { color: var(--acc); font-weight: 700; }

/* Premium badge pill — top-right corner of filter thumbnail */
.filter-prem-badge {
  position: absolute; top: 4px; right: 4px;
  display: inline-flex; align-items: center; gap: 2px;
  padding: 2px 4px 2px 3px;
  font-size: 6.5px; font-weight: 800; letter-spacing: 0.05em; line-height: 1;
  color: #140800;
  background: linear-gradient(135deg, #f5a623 0%, #ffcf57 100%);
  border-radius: 3px;
  box-shadow: 0 1px 5px rgba(0,0,0,0.55), 0 0 10px rgba(245,166,35,0.3),
              inset 0 1px 0 rgba(255,255,255,0.35);
  pointer-events: none; z-index: 2; white-space: nowrap;
  font-family: inherit;
}
.filter-prem-badge svg { flex-shrink: 0; }

/* Filter-strip group separator (thin vertical rule) */
.filter-strip-sep {
  width: 1px; height: 38px; flex-shrink: 0; align-self: center;
  background: var(--border); margin: 0 6px;
}

/* Filter group header — right panel only */
.filter-group-hd {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 10px 10px 4px;
  font-size: 10px; font-weight: 700; letter-spacing: 0.08em;
  color: var(--t3); text-transform: uppercase;
}
.fgh-badge {
  font-size: 8.5px; font-weight: 700; letter-spacing: 0.06em;
  color: var(--acc);
  background: rgba(245,166,35,0.1);
  border: 1px solid rgba(245,166,35,0.22);
  border-radius: 3px; padding: 1px 5px;
}

.filter-cv-wrap {
  width: 68px; height: 50px;
  border-radius: var(--r1);
  border: 1.5px solid transparent;
  overflow: hidden; background: var(--bg3);
  transition: border-color var(--t), box-shadow var(--t);
  pointer-events: none; /* let clicks pass through to parent .filter-thumb */
}
.filter-cv-wrap:hover { border-color: var(--border); }
.filter-cv-wrap canvas { width: 100%; height: 100%; display: block; object-fit: cover; pointer-events: none; }

.filter-label {
  font-size: 9.5px; font-weight: 600;
  color: var(--t3); white-space: nowrap; letter-spacing: .02em;
  transition: color var(--t);
}

/* Filter grid — right panel versions */
.filter-grid-r .filter-thumb { flex-direction: column; width: 100%; }
.filter-grid-r .filter-cv-wrap { width: 100%; height: 58px; }

/* ── Effects Tab — Live Preview Bar ── */
.eff-prev-bar {
  padding: 10px 10px 0;
  border-bottom: 1px solid var(--border2);
  margin-bottom: 2px;
  background: var(--bg1);
}
.eff-prev-cv {
  display: block;
  width: 100%;          /* overridden per-frame by JS */
  border-radius: 8px;
  background: var(--bg3);
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  image-rendering: high-quality;
}
/* .eff-prev-label and .eff-reset-btn are below with the footer block */

/* ── Effects Tab ── */
.effect-cat-hd {
  padding: 12px 14px 6px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--t3);
  border-top: 1px solid var(--border2);
}
.effect-cat-hd:first-child { border-top: none; }

.effect-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
  padding: 4px 10px 10px;
}

.effect-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 11px 6px 9px;
  border-radius: 10px;
  background: var(--bg2);
  border: 1.5px solid var(--bg4);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.12s, box-shadow 0.15s;
  text-align: center;
  user-select: none;
}
.effect-card:hover {
  background: var(--bg3);
  border-color: rgba(245,166,35,0.42);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.22);
}
.effect-card:active { transform: scale(0.97); }
.effect-card.active {
  border-color: var(--acc);
  background: rgba(245,166,35,0.1);
  box-shadow: 0 0 0 1px rgba(245,166,35,0.25);
}

.effect-icon {
  font-size: 20px;
  line-height: 1;
  pointer-events: none;
}
.effect-label {
  font-size: 9.5px;
  line-height: 1.35;
  color: var(--t2);
  font-weight: 600;
  pointer-events: none;
}
.effect-card.active .effect-label { color: var(--acc); }

/* Light mode overrides for effect cards */
.theme-light .effect-card { background: #fff; border-color: #e8e0d0; }
.theme-light .effect-card:hover { background: #fdf8f0; border-color: rgba(180,120,30,0.45); }
.theme-light .effect-card.active { background: rgba(245,166,35,0.08); border-color: var(--acc); }
.theme-light .effect-label { color: #5a4a2a; }

/* ── Effects Tab — Preview footer (label + reset btn) ── */
.eff-prev-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 5px 0 8px;
  gap: 6px;
}
.eff-prev-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--t3);
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}
.eff-reset-btn {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--t3);
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
  padding: 0;
}
.eff-reset-btn:hover {
  border-color: var(--acc);
  color: var(--acc);
  background: rgba(245,166,35,0.08);
}
.eff-reset-btn:active { transform: scale(0.9); }
.theme-light .eff-reset-btn { border-color: #d0c8b8; color: #7a6a4a; }
.theme-light .eff-reset-btn:hover { border-color: var(--acc); color: var(--acc); background: rgba(245,166,35,0.06); }

/* Touch-active highlight on mobile */
@media (max-width: 767px) {
  .effect-card:active { transform: scale(0.96); background: rgba(245,166,35,0.1); }
}

/* ── Auto Enhance button ── */
.auto-enhance-row {
  padding: 12px 14px 6px;
}
.btn-auto-enhance {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 9px 14px;
  border-radius: var(--r2);
  background: linear-gradient(135deg, #12122a 0%, #0e1c3a 55%, #14102a 100%);
  border: 1px solid rgba(245,166,35,0.28);
  color: var(--t1); font-size: 12.5px; font-weight: 600;
  cursor: pointer;
  box-shadow: 0 0 18px rgba(245,166,35,0.07), inset 0 1px 0 rgba(255,255,255,0.05);
  transition: all var(--t);
}
.btn-auto-enhance:hover {
  border-color: rgba(245,166,35,0.52);
  background: linear-gradient(135deg, #181838 0%, #132147 55%, #18153a 100%);
  box-shadow: 0 0 28px rgba(245,166,35,0.16), inset 0 1px 0 rgba(255,255,255,0.09);
}
.btn-auto-enhance:active { transform: scale(0.98); }
/* Light-mode override — use a warm white card instead of dark-navy */
.theme-light .btn-auto-enhance {
  background: linear-gradient(135deg, #fff8ee 0%, #fff3de 100%);
  border-color: rgba(196,125,26,0.35);
  color: #7a4500;
  box-shadow: 0 0 12px rgba(196,125,26,0.08), inset 0 1px 0 rgba(255,255,255,0.6);
}
.theme-light .btn-auto-enhance:hover {
  background: linear-gradient(135deg, #fff3de 0%, #ffe9bf 100%);
  border-color: rgba(196,125,26,0.55);
  box-shadow: 0 0 20px rgba(196,125,26,0.14), inset 0 1px 0 rgba(255,255,255,0.7);
}
.theme-light .ae-icon { fill: #c47d1a; }
.theme-light .ae-tag {
  color: #7a4500;
  background: rgba(196,125,26,0.12);
  border-color: rgba(196,125,26,0.28);
}

/* ── Text Tool sidebar ── */
.text-tool-hint {
  display: flex; align-items: flex-start; gap: 8px;
  padding: 9px 10px;
  border-radius: var(--r1);
  background: rgba(245,166,35,0.07);
  border: 1px dashed rgba(245,166,35,0.28);
  color: var(--t3); font-size: 11px; line-height: 1.45;
}
.text-tool-hint svg { flex-shrink: 0; fill: var(--acc); margin-top: 1px; }

/* ── Floating text overlay box ── */
.text-overlay-box {
  position: absolute;
  z-index: 30;
  min-width: 160px;
  border-radius: var(--r2);
  box-shadow: 0 6px 32px rgba(0,0,0,0.55), 0 0 0 1.5px rgba(245,166,35,0.55);
  user-select: none;
  /* don't inherit cursor from canvas-area */
  cursor: default;
}
.text-overlay-handle {
  display: flex; align-items: center; justify-content: space-between;
  padding: 5px 7px;
  background: linear-gradient(135deg, #f5a623 0%, #ffbf47 100%);
  border-radius: var(--r2) var(--r2) 0 0;
  cursor: grab; gap: 8px;
}
.text-overlay-handle:active { cursor: grabbing; }
.tob-drag-hint {
  display: flex; align-items: center; gap: 4px;
  font-size: 9px; font-weight: 700; letter-spacing: 0.04em;
  color: rgba(0,0,0,0.6); pointer-events: none;
}
.tob-drag-hint svg { fill: rgba(0,0,0,0.5); flex-shrink: 0; }
.tob-btns { display: flex; gap: 4px; flex-shrink: 0; }
.tob-btn {
  width: 22px; height: 22px;
  border: none; border-radius: 5px;
  font-size: 12px; font-weight: 800; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: background var(--t), color var(--t);
}
.tob-apply  { background: rgba(0,0,0,0.22); color: #1a0800; }
.tob-apply:hover  { background: rgba(0,0,0,0.42); color: #000; }
.tob-discard { background: rgba(0,0,0,0.15); color: #1a0800; }
.tob-discard:hover { background: rgba(180,0,0,0.55); color: #fff; }
.text-overlay-content {
  min-width: 160px; min-height: 48px;
  padding: 10px 14px;
  outline: none;
  border: 1.5px dashed rgba(245,166,35,0.55);
  border-top: none;
  border-radius: 0 0 var(--r2) var(--r2);
  background: rgba(0,0,0,0.22);
  backdrop-filter: blur(6px) saturate(140%);
  color: #fff; /* overridden by JS from textColor picker */
  white-space: pre-wrap; word-break: break-word;
  cursor: text; user-select: text;
  line-height: 1.35;
  font-size: 48px; /* live-updated by JS */
  transition: none;
}
.text-overlay-content:empty::before {
  content: attr(data-placeholder);
  color: rgba(255,255,255,0.35);
  pointer-events: none;
  font-size: 16px; /* keep placeholder small regardless of fontSize */
}
.text-overlay-content:focus {
  border-color: rgba(245,166,35,0.85);
}
/* Light mode */
.theme-light .text-overlay-content {
  background: rgba(255,255,255,0.65);
  border-color: rgba(196,125,26,0.5);
  color: #1a0800;
}
.theme-light .text-overlay-content:empty::before { color: rgba(0,0,0,0.3); }
.theme-light .text-overlay-box {
  box-shadow: 0 6px 28px rgba(0,0,0,0.22), 0 0 0 1.5px rgba(196,125,26,0.5);
}

.text-tool-select {
  width: 100%; background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--r1); color: var(--t1);
  font-size: 12px; padding: 6px 8px; cursor: pointer;
  transition: border-color var(--t);
}
.text-tool-select:focus { outline: none; border-color: var(--acc); }
.text-font-hover-preview {
  margin-top: 8px;
  padding: 8px 10px;
  border: 1px solid rgba(245,166,35,0.3);
  border-radius: var(--r1);
  background: linear-gradient(170deg, rgba(245,166,35,0.08), rgba(255,255,255,0.02));
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
}
.text-font-hover-preview.hidden { display: none; }
.text-font-hover-preview-label {
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--t3);
  margin-bottom: 6px;
  font-weight: 700;
}
.text-font-hover-preview-sample {
  min-height: 30px;
  line-height: 1.2;
  color: var(--t1);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.text-align-row {
  display: flex; gap: 6px; margin-top: 8px;
}
.text-align-btn {
  flex: 1; padding: 6px 0;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--r1); color: var(--t2);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: all var(--t);
}
.text-align-btn svg { width: 14px; height: 14px; fill: currentColor; pointer-events: none; }
.text-align-btn:hover { background: var(--bg4); color: var(--t1); }
.text-align-btn.active {
  background: rgba(245,166,35,0.12);
  border-color: rgba(245,166,35,0.4);
  color: var(--acc);
}
.ae-icon {
  width: 13px; height: 13px; fill: var(--acc); flex-shrink: 0;
}
.ae-tag {
  font-size: 9px; font-weight: 700; letter-spacing: 0.09em;
  color: var(--acc);
  background: rgba(245,166,35,0.12);
  border: 1px solid rgba(245,166,35,0.25);
  border-radius: 3px; padding: 1px 5px; line-height: 1.5;
}

/* ═══════════════════ STATUS BAR ═══════════════════ */

.status-bar {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: calc(var(--stat-h) + var(--safe-area-inset-bottom));
  display: flex; align-items: center;
  padding: 0 14px; gap: 5px;
  padding-bottom: var(--safe-area-inset-bottom);
  background: var(--bg0);
  border-top: 1px solid var(--border2);
  font-size: 11px; color: var(--t4);
  font-family: 'SF Mono', 'Fira Code', monospace;
  z-index: 50;
}
.s-dot { opacity: .35; }
.stat-spacer { flex: 1; min-width: 0; }
.stat-credit {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--t1);
  opacity: 0.95;
  letter-spacing: .015em;
  white-space: nowrap;
  flex-shrink: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  padding: 4px 14px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 20px;
  line-height: 1.4;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* ═══════════════════ MODALS ═══════════════════ */

.modal-bg {
  position: fixed; inset: 0; z-index: 500;
  background: rgba(0,0,0,.65);
  backdrop-filter: blur(5px);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
  animation: fadeIn .18s;
}

.modal-box {
  background: rgba(12,12,22,0.96);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--r4);
  box-shadow: 0 32px 100px rgba(0,0,0,.8), 0 0 0 0.5px rgba(255,255,255,0.04);
  backdrop-filter: blur(40px) saturate(180%);
  width: 100%; max-width: 420px;
  animation: slideUp .22s cubic-bezier(0.4,0,0.2,1);
  overflow: hidden;
}

.modal-top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-title { font-size: 16px; font-weight: 700; letter-spacing: -.3px; }

.modal-close {
  width: 28px; height: 28px;
  background: var(--bg4); border: 1px solid var(--border);
  border-radius: 50%; color: var(--t2);
  font-size: 11px; cursor: pointer;
  transition: all var(--t);
  display: flex; align-items: center; justify-content: center;
}
.modal-close:hover { background: var(--bg5); color: var(--t1); }

.modal-body { padding: 20px; overflow-y: auto; }

/* Export fields */
.field-lbl {
  display: block; margin-bottom: 8px;
  font-size: 10.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .07em;
  color: var(--t3);
}

.fmt-row { display: flex; gap: 8px; }

.fmt-btn {
  flex: 1; padding: 8px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--r1);
  color: var(--t2); font-size: 12px; font-weight: 600;
  cursor: pointer; transition: all var(--t);
}
.fmt-btn:hover { background: var(--bg4); color: var(--t1); }
.fmt-btn.active { background: var(--acc-u); border-color: rgba(245,166,35,.3); color: var(--acc); }

.est-note { display: block; margin-top: 5px; font-size: 11px; color: var(--t4); }

.t-input {
  width: 100%; padding: 8px 12px;
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: var(--r1);
  color: var(--t1); font-size: 13px; outline: none;
  transition: border-color var(--t);
}
.t-input:focus { border-color: rgba(245,166,35,.4); }

.btn-export-modal {
  width: 100%; padding: 13px; margin-top: 18px;
  background: linear-gradient(135deg, #f5a623 0%, #ffbf47 100%);
  border: none;
  border-radius: var(--r2);
  color: #000; font-weight: 800; font-size: 14px;
  cursor: pointer; transition: all var(--t);
  letter-spacing: .01em;
  box-shadow: 0 4px 22px rgba(245,166,35,0.4), inset 0 1px 0 rgba(255,255,255,0.32);
}
.btn-export-modal:hover {
  background: linear-gradient(135deg, #ffbf47 0%, #ffd270 100%);
  box-shadow: 0 0 34px rgba(245,166,35,0.6), 0 6px 20px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.36);
  transform: translateY(-1.5px);
}

/* ═════════════════════════ RESPONSIVE / MOBILE ═════════════════════════ */

/* ═══════════════════ RESPONSIVE BREAKPOINTS ═══════════════════ */

/* Tablet landscape */
@media (max-width: 1024px) {
  :root {
    --left-w: 200px;
    --right-w: 250px;
  }
}

/* Tablet portrait / Small laptop */
@media (max-width: 900px) {
  :root {
    --left-w: 190px;
    --right-w: 240px;
  }
  
  .file-name { max-width: 120px; }
}

/* Mobile and tablets */
@media (max-width: 767px) {
  :root {
    --top-h: 56px;
    --bot-h: 100px;
    --stat-h: 28px;
  }

  .mob-only  { display: flex !important; }
  .desk-only { display: none !important; }

  /* Prevent overscroll/bounce; keep layout stable across address-bar show/hide */
  html, body {
    overflow: hidden;
    width: 100%;
    height: 100%;
  }

  /* Panels on mobile: no backdrop-filter (causes pointer-event bugs on iOS/Android),
     use solid color instead, and disable pointer events when closed */
  .panel {
    /* Glassmorphism floating drawers — canvas stays visible while editing */
    background: rgba(5, 5, 13, 0.70) !important;
    backdrop-filter: blur(26px) saturate(220%) brightness(1.12) !important;
    -webkit-backdrop-filter: blur(26px) saturate(220%) brightness(1.12) !important;
    will-change: transform;
    border: 1px solid rgba(255,255,255,0.16) !important;
    border-radius: 18px;
    animation: none !important;
    box-shadow:
      0 20px 60px rgba(0,0,0,0.65),
      0 0 0 0.5px rgba(255,255,255,0.07),
      inset 0 1px 0 rgba(255,255,255,0.14),
      inset 0 2px 0 rgba(245,166,35,0.10) !important;
    overscroll-behavior: contain;
  }

  .theme-light .panel {
    background: rgba(255,248,238,0.78) !important;
    border-color: rgba(196,156,100,0.30) !important;
    box-shadow:
      0 20px 60px rgba(42,24,0,0.22),
      inset 0 1px 0 rgba(255,255,255,0.70),
      inset 0 2px 0 rgba(196,125,26,0.12) !important;
  }

  .panel-left:not(.open),
  .panel-right:not(.open) {
    pointer-events: none;
  }

  /* Bottom bar: solid background for reliability */
  .bottom-bar {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: var(--bg0) !important;
    z-index: 90 !important;
    padding-bottom: var(--safe-area-inset-bottom);
  }

  /* Workspace: single column canvas only */
  .workspace {
    grid-template-columns: 1fr;
  }

  /* Panels become drawers */
  .panel-left {
    position: fixed !important;
    top: calc(var(--top-h) + var(--safe-area-inset-top) + 8px) !important;
    left: 0 !important;
    bottom: calc(var(--bot-h) + var(--stat-h) + var(--safe-area-inset-bottom) + 8px) !important;
    width: min(248px, 66vw) !important;
    max-width: 320px !important;
    transform: translateX(-100%);
    z-index: 240;
    border-right: 1px solid var(--border);
    box-shadow: 2px 0 12px rgba(0,0,0,0.3);
  }

  .panel-left.open  { transform: translateX(0) !important; }

  .panel-right {
    position: fixed !important;
    left: 8px !important;
    right: 8px !important;
    top: auto !important;
    bottom: calc(var(--bot-h) + var(--stat-h) + var(--safe-area-inset-bottom) + 8px) !important;
    width: auto !important;
    max-width: none !important;
    height: min(52vh, 420px) !important;
    z-index: 240;
    border-radius: 18px;
    /* backdrop-filter on a scrolling element causes GPU compositing jank on iOS/Android */
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(10, 10, 22, 0.97) !important;
    border: 1px solid rgba(255,255,255,0.16) !important;
    box-shadow:
      0 -4px 40px rgba(0,0,0,0.7),
      0 0 0 0.5px rgba(255,255,255,0.06),
      inset 0 1px 0 rgba(255,255,255,0.12),
      inset 0 2px 0 rgba(245,166,35,0.09) !important;
    /* Native momentum scroll - translated to GPU layer for compositor thread scroll */
    overflow-y: scroll;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: contain;
    touch-action: pan-y;
    will-change: transform;
    transform: translateY(110%);
  }

  .theme-light .panel-right {
    background: rgba(255, 248, 237, 0.98) !important;
    border-color: rgba(196,150,90,0.25) !important;
    box-shadow:
      0 -4px 40px rgba(42,24,0,0.18),
      inset 0 1px 0 rgba(255,255,255,0.80) !important;
  }

  .panel-right.open {
    transform: translateY(0) !important;
  }

  .panel-left.open {
    opacity: 0.97;
  }

  .side-handle {
    display: block !important;
  }

  /* Panels overlay on top of canvas — no canvas-area margin shifting needed */

  .canvas-area {
    transition: none;
  }

  /* Overlay: re-enabled on mobile so tapping behind a panel closes it */
  .mobile-overlay {
    display: none;
    opacity: 0;
    pointer-events: none;
  }
  .mobile-overlay.active {
    display: block !important;
    opacity: 1 !important;
    pointer-events: auto !important;
    z-index: 232;
  }

  /* Panel close button */
  .panel-close-btn {
    display: flex;
    position: absolute;
    top: 8px;
    right: 10px;
    z-index: 10;
    background: var(--bg4);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 28px;
    height: 28px;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--t2);
    cursor: pointer;
    line-height: 1;
    flex-shrink: 0;
  }
  .panel-close-btn:active { background: var(--bg5); transform: scale(0.92); }

  /* Ensure drawers are closed by default unless explicitly opened */
  .panel-left:not(.open) { transform: translateX(-100%) !important; }
  .panel-right:not(.open) { transform: translateY(110%) !important; }

  /* Keep top controls always tappable above drawers/overlay */
  .top-bar { z-index: 260; }
  .mobile-overlay { z-index: 230; }

  /* Full-width canvas area */
  .canvas-area { 
    grid-column: 1;
  }

  /* Upload card — richer look on mobile */
  .upload-zone {
    padding: 12px;
  }
  
  .upload-card {
    padding: 32px 24px;
    margin: 0;
    width: 100%;
    max-width: 100%;
    background: rgba(14,12,28,0.82);
    border-color: rgba(255,255,255,0.10);
    box-shadow: 0 0 60px rgba(100,70,255,0.08), 0 0 30px rgba(245,166,35,0.06);
  }
  
  .upload-title { font-size: 19px; margin-bottom: 6px; }
  .upload-sub { font-size: 13px; }
  .upload-btn { padding: 11px 28px; font-size: 13px; }
  .upload-icon-wrap { width: 70px; height: 70px; margin-bottom: 18px; }
  .upload-icon-wrap svg { width: 32px; height: 32px; }

  /* Top bar adjustments */
  .top-bar { padding: 0 12px; gap: 6px; }
  .file-info { display: none; }
  .logo { margin-right: 6px; }
  .logo-name { font-size: 15px; }

  /* Touch targets: tall for accessibility */
  .icon-btn {
    min-width: 36px;
    min-height: 44px;
    padding: 8px 7px;
  }
  
  /* Make mobile menu buttons stand out */
  #menuBtn,
  #adjToggle {
    background: var(--bg4) !important;
    border-color: var(--border) !important;
    position: relative;
  }
  
  #menuBtn svg,
  #adjToggle svg {
    width: 18px !important;
    height: 18px !important;
  }
  
  #menuBtn:active,
  #adjToggle:active {
    background: var(--acc-u) !important;
    border-color: var(--acc) !important;
    transform: scale(0.95);
  }
  
  #menuBtn:hover,
  #adjToggle:hover {
    background: var(--bg5) !important;
    border-color: var(--acc) !important;
  }
  
  .tool-btn { 
    padding: 14px 6px;
    min-height: 64px;
  }
  .tool-btn svg { width: 22px; height: 22px; }
  .tool-btn span { font-size: 11px; }

  /* Adj row bigger touch target — no will-change so scroll stays fast */
  .adj-row {
    padding: 10px 0;
    grid-template-columns: 90px 1fr 30px;
  }

  .adj-hd {
    padding: 14px;
    min-height: 44px;
  }

  /* Modals */
  .modal-bg { 
    padding: 0;
    align-items: flex-end;
  }
  .modal-box {
    max-width: 100%;
    border-radius: var(--r4) var(--r4) 0 0;
    max-height: 90vh;
  }

  /* Scrollable content on iOS */
  .panel-right,
  .panel-left { 
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  /* Bigger filter thumbs for easier tapping */
  .filter-thumb { 
    touch-action: manipulation;
    min-width: 76px;
  }
  .filter-cv-wrap { width: 76px; height: 56px; }
  .filter-label { font-size: 9.5px; }
  .filter-strip { padding: 10px 16px; gap: 12px; }

  /* Chip rows wrap better on mobile */
  .chip-row { gap: 6px; }
  .chip { 
    font-size: 12px;
    padding: 8px 14px;
    min-height: 36px;
  }
  
  /* Sliders easier to use on mobile */
  .slider {
    height: 6px;
  }
  
  .slider::-webkit-slider-thumb {
    width: 18px;
    height: 18px;
  }
  
  .slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
  }

  /* Better button sizes */
  .btn-primary, .btn-ghost, .btn-danger {
    padding: 11px 14px;
    font-size: 13px;
    min-height: 44px;
  }
  
  /* Canvas interaction improvements */
  #mainCanvas {
    touch-action: none;
    -webkit-user-select: none;
    user-select: none;
  }
  
  /* Status bar more compact */
  .status-bar {
    font-size: 10px;
    padding: 0 12px;
  }
  
  /* Tool options area */
  .tool-opts-area {
    padding: 14px;
  }
  
  /* Lock the top bar sections so right never overflows into left */
  .tbs-left { flex: 1; min-width: 0; overflow: hidden; }
  .tbs-right { flex-shrink: 0; gap: 2px; }
  .logo { flex-shrink: 0; min-width: 0; }

  /* Export — icon-only, label hidden */
  .export-label { display: none; }
  .export-btn { padding: 8px 9px; min-width: 34px; font-size: 12px; }
  
  /* Auto Enhance — icon-only on mobile */
  .ai-toggle-btn span { display: none; }
  .ai-toggle-btn { padding: 7px 8px; font-size: 14px; min-width: 34px; }

  /* Theme & adj icon buttons compact */
  .icon-btn { min-width: 34px; padding: 8px 6px; }
}

/* ═══════════════ MOBILE LIVE PREVIEW ═══════════════ */

.mob-preview {
  position: fixed;
  top: calc(var(--top-h) + var(--safe-area-inset-top) + 10px);
  right: 10px;
  z-index: 320;
  border-radius: 14px;
  overflow: hidden;
  pointer-events: none;
  animation: fadeIn 0.18s ease;
  /* glassmorphism card */
  background: rgba(5, 5, 13, 0.72);
  backdrop-filter: blur(24px) saturate(200%) brightness(1.08);
  -webkit-backdrop-filter: blur(24px) saturate(200%) brightness(1.08);
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow:
    0 10px 40px rgba(0,0,0,0.7),
    0 0 0 0.5px rgba(255,255,255,0.07),
    inset 0 1px 0 rgba(255,255,255,0.15),
    inset 0 -1px 0 rgba(0,0,0,0.15);
}

.mob-preview.hidden { display: none !important; }

.preview-cv {
  display: block;
  width: 140px;      /* overridden per-frame by JS to match image aspect ratio */
  image-rendering: -webkit-optimize-contrast; /* sharp on webkit */
  image-rendering: crisp-edges;               /* sharp on Firefox */
  image-rendering: high-quality;              /* Chrome/Edge fallback */
}

.preview-label {
  text-align: center;
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: rgba(245,166,35,0.95);
  padding: 5px 6px;
  background: rgba(0,0,0,0.25);
  border-top: 1px solid rgba(255,255,255,0.07);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

.theme-light .mob-preview {
  background: rgba(255,248,237,0.88);
  border-color: rgba(196,150,90,0.30);
  box-shadow:
    0 10px 40px rgba(42,24,0,0.22),
    inset 0 1px 0 rgba(255,255,255,0.75);
}

.theme-light .preview-label {
  color: var(--acc);
  background: rgba(255,240,210,0.45);
  border-top-color: rgba(196,150,90,0.15);
}

/* ════════════════════════════════════════════════ */

/* Small mobile phones */
@media (max-width: 480px) {
  :root { 
    --top-h: 52px;
    --bot-h: 92px;
    --stat-h: 46px;
  }

  .logo-mark { display: none; }
  .logo-name { font-size: 14px; }
  
  /* Compact buttons at very small sizes */
  .export-btn { padding: 7px 7px; }
  .ai-toggle-btn { padding: 6px 7px; }

  /* More compact upload card */
  .upload-card { padding: 24px 16px; }
  .upload-title { font-size: 17px; }
  .upload-sub { font-size: 12px; }
  .upload-formats { font-size: 10px; }
  .upload-icon-wrap { width: 60px; height: 60px; margin-bottom: 14px; }
  .upload-icon-wrap svg { width: 28px; height: 28px; }
  .upload-btn { padding: 10px 22px; font-size: 12px; }

  /* Very small screens: collapse hist counter */
  .hist-ct { display: none; }
  
  /* Narrower left panel; right panel keeps left:8px/right:8px from ≤767px rule */
  .panel-left {
    width: min(260px, 85vw) !important;
  }
  
  /* panel-right intentionally inherits width:auto with left:8px/right:8px — no width override */
  
  /* Smaller filter grid */
  .filter-cv-wrap { width: 70px; height: 50px; }
  .filter-label { font-size: 9px; }
  .filter-strip { padding: 8px 12px; gap: 10px; }
  
  /* Compact tool grid */
  .tool-grid { padding: 8px; gap: 2px; }
  .tool-btn { padding: 12px 4px; min-height: 60px; }
  .tool-btn span { font-size: 10px; }
  
  /* Status bar: two rows on small screens — stat-h is set to 46px above to match */
  .status-bar {
    font-size: 9px;
    padding: 4px 10px;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 5px;
    height: auto;
    min-height: var(--stat-h);
  }
  .stat-credit {
    margin: 0 auto;
    font-size: 10px;
    padding: 2px 10px;
  }
}

/* Extra small devices */
@media (max-width: 360px) {
  :root {
    --top-h: 50px;
    --bot-h: 88px;
  }
  
  .top-bar { padding: 0 8px; }
  .logo { font-size: 14px; margin-right: 4px; }
  
  .upload-card { padding: 20px 12px; }
  .upload-title { font-size: 16px; }
  .upload-icon-wrap { width: 54px; height: 54px; }
  
  .icon-btn { min-width: 38px; min-height: 38px; padding: 6px 8px; }
  .icon-btn svg { width: 14px; height: 14px; }
  
  .filter-strip { padding: 8px; }
  .filter-cv-wrap { width: 64px; height: 46px; }
}

/* Landscape phones - optimize for wide but short screens */
@media (max-width: 767px) and (orientation: landscape) {
  :root {
    --top-h: 48px;
    --bot-h: 80px;
    --stat-h: 24px;
  }
  
  .upload-card { padding: 20px 24px; }
  .upload-icon-wrap { width: 50px; height: 50px; margin-bottom: 10px; }
  .upload-icon-wrap svg { width: 24px; height: 24px; }
  .upload-title { font-size: 16px; margin-bottom: 4px; }
  .upload-sub { font-size: 12px; margin-bottom: 3px; }
  .upload-formats { font-size: 10px; margin-bottom: 12px; }
  .upload-btn { padding: 8px 20px; font-size: 12px; margin-bottom: 8px; }
  .upload-note { font-size: 10px; }
  
  .tool-btn { padding: 10px 4px; min-height: 56px; }
  .ba-wrap { height: 100px; }
  .filter-strip { height: 80px; padding: 8px 12px; }
}

/* ═══════════════════ ADDITIONAL MOBILE OPTIMIZATIONS ═══════════════════ */

/* Prevent text selection on UI elements (but allow on canvas) */
button, .icon-btn, .tool-btn, .chip, .filter-thumb, .tab, .adj-hd {
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
}

/* Smooth scrolling for internal page navigation */
html {
  scroll-behavior: smooth;
}

/* High DPI screen optimization */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .upload-icon-wrap svg,
  .icon-btn svg,
  .tool-btn svg {
    shape-rendering: geometricPrecision;
  }
}

/* Active/focus states for better accessibility on touch */
button:active, .tool-btn:active, .icon-btn:active, .chip:active {
  opacity: 0.9;
}

/* Improve slider touch area on mobile */
@media (max-width: 767px) {
  .slider {
    cursor: pointer;
    padding: 8px 0;
    margin: -8px 0;
  }
  
  /* Better visual feedback on interactive elements */
  .tool-btn:active,
  .icon-btn:active,
  .chip:active,
  .btn-primary:active,
  .btn-ghost:active,
  .filter-thumb:active {
    transform: scale(0.97);
  }
}

/* Fix iOS double-tap zoom on buttons */
@media (max-width: 767px) {
  button, input, select, textarea, a {
    touch-action: manipulation;
  }
  /* Range sliders must allow horizontal drag; override the manipulation above */
  input[type="range"],
  input[type="range"].slider {
    touch-action: none;
  }
}

/* Optimize scrolling performance — apply only to actual scroll containers */
.panel-right,
.panel-left,
.tool-opts-area,
.modal-body {
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

/* Filter strip scrolls horizontally only */
.filter-strip {
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

/* Prevent rubber band effect on fixed elements */
.top-bar,
.bottom-bar,
.status-bar {
  overscroll-behavior: none;
}

/* Ensure panels animate smoothly on mobile */
@media (max-width: 767px) {
  .panel-left,
  .panel-right {
    transition: transform 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }

  /* Overlay should fade */
  .mobile-overlay {
    transition: opacity 0.2s ease;
  }

  /* Remove heavy backdrop-filter from the sticky tab-bar inside the scroll container.
     This is a major source of compositor jank on iOS/Android during scrolling. */
  .tab-bar {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(10, 10, 22, 0.99) !important;
  }

  .theme-light .tab-bar {
    background: rgba(255, 248, 237, 0.99) !important;
  }

  /* Ensure the right panel can scroll without jank on the compositor thread */
  .panel-right {
    scroll-behavior: auto;
    overscroll-behavior-y: contain;
  }

  /* Wider touch target for the slider thumb, no touch-action override needed
     (touch-action: none is already set on .slider globally) */
  .slider {
    padding: 10px 0;
    margin: -10px 0;
  }
}

/* Better tap highlight for mobile Safari */
@media (max-width: 767px) {
  * {
    -webkit-tap-highlight-color: rgba(245, 166, 35, 0.1);
  }
}

/* Canvas rendering: 'auto' uses bilinear/high-quality filtering (correct for photos).
   'crisp-edges' / 'pixelated' are intended for pixel art and degrade photo quality.
   will-change: transform promotes each canvas to its own GPU compositing layer so
   panning and zooming happen entirely on the compositor thread. */
#mainCanvas,
#vigCanvas,
#grainCanvas {
  image-rendering: auto;
  will-change: transform;
}

/* Fix viewport height issues on mobile browsers (address bar) */
@supports (-webkit-touch-callout: none) {
  /* iOS-specific fixes */
  html, body {
    height: -webkit-fill-available;
  }
}

/* Print styles - hide unnecessary elements when printing */
@media print {
  .top-bar,
  .bottom-bar,
  .status-bar,
  .panel-left,
  .panel-right,
  .mobile-overlay,
  .modal-bg,
  .loading-overlay,
  .toast-container {
    display: none !important;
  }
  
  .canvas-area {
    position: static;
    width: 100%;
    height: auto;
  }
}