:root{
  --bg:#ffffff;--bg2:#f4f4f8;--surface:#ffffff;--border:#e2e2ec;
  --text:#1a1a2e;--text2:#666688;
  --a1:#ff6b6b;--a2:#4ecdc4;--a3:#ffe66d;--a4:#a29bfe;--a5:#fd79a8;--a6:#55efc4;
  --shadow:0 2px 20px rgba(0,0,0,.07);--shadow2:0 6px 32px rgba(0,0,0,.11);
  --radius:16px;--font:'Segoe UI',system-ui,-apple-system,sans-serif;
  --tr:.25s cubic-bezier(.4,0,.2,1);
}
[data-theme=dark]{
  --bg:#0c0c1a;--bg2:#13132a;--surface:#18182e;--border:#2a2a46;
  --text:#eeeeff;--text2:#8888aa;
  --shadow:0 2px 20px rgba(0,0,0,.35);--shadow2:0 6px 32px rgba(0,0,0,.5);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);
  min-height:100vh;transition:background var(--tr),color var(--tr);overflow-x:hidden}
#grid-bg{position:fixed;inset:0;z-index:0;pointer-events:none}
.page{position:relative;z-index:1;max-width:1040px;margin:0 auto;padding:0 20px 80px}
header{display:flex;align-items:center;justify-content:space-between;padding:22px 0 18px}
.logo{display:flex;align-items:center;gap:10px}
.logo-grid{display:grid;grid-template-columns:repeat(5,7px);grid-template-rows:repeat(5,7px);gap:1.5px}
.logo-grid span{border-radius:1px}
.logo-name{font-size:1.55rem;font-weight:900;letter-spacing:-.5px}
.logo-name em{font-style:normal;background:linear-gradient(135deg,var(--a1),var(--a4));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.badge{font-size:.6rem;font-weight:800;letter-spacing:.8px;background:var(--a2);color:#0a3330;
  padding:2px 7px;border-radius:99px;align-self:flex-start;margin-top:6px}
  .nav-right {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 4px 0;
  }
  .ver-tag {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text2, #64748b);
    letter-spacing: 0.6px;
    text-transform: uppercase;
    background: var(--tag-bg, rgba(100, 116, 139, 0.1));
    padding: 4px 8px;
    border-radius: 20px;
    backdrop-filter: blur(4px);
    transition: all 0.2s ease;
  }
  .toggle {
    width: 56px;
    height: 30px;
    border-radius: 99px;
    border: 1.5px solid var(--border, #e2e8f0);
    background: var(--bg2, #f1f5f9);
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    padding: 0 5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
  }
  .toggle:hover {
    transform: scale(1.02);
    border-color: var(--border-hover, #94a3b8);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  }
  .toggle:active {
    transform: scale(0.98);
  }
  .toggle:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.4), 0 1px 2px rgba(0, 0, 0, 0.05);
  }
  .toggle-knob {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--a1, #f59e0b), var(--a4, #ef4444));
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    position: relative;
    z-index: 2;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  }
  [data-theme="dark"] .toggle-knob {
    transform: translateX(26px);
    background: linear-gradient(135deg, #60a5fa, #818cf8);
  }
  .te {
    position: absolute;
    font-size: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    z-index: 1;
    transition: opacity 0.2s ease;
  }
  .te.s {
    left: 7px;
  }
  .te.m {
    right: 6px;
  }
  [data-theme="light"] .te.m {
    opacity: 0.6;
  }
  [data-theme="dark"] .te.s {
    opacity: 0.6;
  }
  .toggle {
    overflow: hidden;
    position: relative;
  }
  .toggle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
    pointer-events: none;
  }
  .toggle:active::after {
    width: 100%;
    height: 100%;
  }
.hero{text-align:center;padding:16px 0 28px}
.hero h1{font-size:clamp(2rem,5.5vw,3.2rem);font-weight:900;letter-spacing:-1.5px;
  line-height:1.1;margin-bottom:14px}
.grad{background:linear-gradient(135deg,var(--a1),var(--a4),var(--a5));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{color:var(--text2);font-size:1rem;max-width:500px;margin:0 auto;line-height:1.65}
.pill-row{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:16px}
.pill{font-size:.75rem;font-weight:700;padding:4px 12px;border-radius:99px;
  border:1.5px solid var(--border);color:var(--text2);background:var(--bg2);letter-spacing:.3px}
.pill.c1{border-color:var(--a1);color:var(--a1);background:rgba(255,107,107,.08)}
.pill.c2{border-color:var(--a2);color:var(--a2);background:rgba(78,205,196,.08)}
.pill.c4{border-color:var(--a4);color:var(--a4);background:rgba(162,155,254,.08)}
.card{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:26px 28px;margin-bottom:18px;
  transition:background var(--tr),border-color var(--tr),box-shadow var(--tr)}
.card:hover{box-shadow:var(--shadow2)}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.card-title{font-size:.75rem;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:var(--text2)}
.card-badge{font-size:.68rem;font-weight:800;padding:2px 9px;border-radius:99px;
  background:rgba(162,155,254,.15);color:var(--a4);border:1px solid rgba(162,155,254,.3)}
#drop-zone{border:2px dashed var(--border);border-radius:12px;padding:40px 20px;
  text-align:center;cursor:pointer;transition:border-color .2s,background .2s;position:relative}
#drop-zone:hover,#drop-zone.over{border-color:var(--a4);background:rgba(162,155,254,.07)}
#drop-zone.has-image{padding:0;border-style:solid;border-color:var(--a2);overflow:hidden}
#drop-zone input{display:none}
.dz-empty{pointer-events:none}
.dz-icon{font-size:3rem;display:block;margin-bottom:10px;line-height:1}
.dz-title{font-size:1rem;font-weight:700;margin-bottom:5px}
.dz-hint{font-size:.85rem;color:var(--text2);margin-bottom:14px}
.dz-btn{display:inline-block;padding:9px 24px;border-radius:9px;font-size:.88rem;font-weight:800;
  background:linear-gradient(135deg,var(--a4),var(--a5));color:#fff;cursor:pointer;
  border:none;pointer-events:all;transition:opacity .2s,transform .15s;
  box-shadow:0 3px 12px rgba(162,155,254,.35)}
.dz-btn:hover{opacity:.88;transform:translateY(-1px)}
#orig-preview-wrap{display:none;position:relative}
#orig-preview-wrap img{width:100%;max-height:280px;object-fit:contain;display:block;
  background:repeating-conic-gradient(#ddd 0% 25%,#fff 0% 50%) 0 0/16px 16px}
[data-theme=dark] #orig-preview-wrap img{
  background:repeating-conic-gradient(#222 0% 25%,#2a2a2a 0% 50%) 0 0/16px 16px}
.orig-overlay{position:absolute;bottom:0;left:0;right:0;
  background:linear-gradient(transparent,rgba(0,0,0,.65));
  padding:14px 16px 12px;display:flex;align-items:flex-end;justify-content:space-between}
.orig-filename{color:#fff;font-size:.82rem;font-weight:700;text-shadow:0 1px 4px rgba(0,0,0,.5)}
.orig-dims{color:rgba(255,255,255,.7);font-size:.75rem}
.change-btn{font-size:.75rem;font-weight:800;padding:5px 13px;border-radius:7px;
  border:1.5px solid rgba(255,255,255,.5);background:rgba(255,255,255,.12);
  color:#fff;cursor:pointer;backdrop-filter:blur(4px);transition:background .2s}
.change-btn:hover{background:rgba(255,255,255,.25)}
.px-btn-wrap{text-align:center;margin-top:20px}
#px-btn{
  position:relative;overflow:hidden;
  padding:15px 52px;font-size:1.05rem;font-weight:900;letter-spacing:.3px;
  border:none;border-radius:12px;cursor:pointer;
  background:linear-gradient(135deg,var(--a1),var(--a4));color:#fff;
  box-shadow:0 4px 18px rgba(162,155,254,.4);
  transition:opacity .2s,transform .15s,box-shadow .2s;
}
#px-btn:hover:not(:disabled){opacity:.9;transform:translateY(-2px);box-shadow:0 8px 28px rgba(162,155,254,.5)}
#px-btn:disabled{opacity:.38;cursor:not-allowed;transform:none}
#px-btn::after{
  content:'';position:absolute;top:0;left:-100%;width:60%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.25),transparent);
  transition:none;
}
#px-btn.shimmer::after{animation:shim .8s ease forwards}
@keyframes shim{0%{left:-80%}100%{left:130%}}
.btn-prog{
  position:absolute;bottom:0;left:0;height:3px;width:0%;
  background:rgba(255,255,255,.6);border-radius:99px;
  transition:width .06s linear;
}
.prog-wrap{height:3px;background:var(--border);border-radius:99px;overflow:hidden;margin-top:8px;display:none}
.prog-bar{height:100%;width:0%;background:linear-gradient(90deg,var(--a1),var(--a4));
  border-radius:99px;transition:width .2s}
.ctrl-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:620px){.ctrl-grid{grid-template-columns:1fr}}
.ctrl{display:flex;flex-direction:column;gap:7px}
.ctrl-label{font-size:.78rem;font-weight:700;color:var(--text2);letter-spacing:.4px}
.ctrl input[type=number]{width:100%;padding:9px 12px;border:1.5px solid var(--border);
  border-radius:9px;background:var(--bg2);color:var(--text);font-size:.95rem;
  font-family:var(--font);outline:none;transition:border-color .2s}
.ctrl input[type=number]:focus{border-color:var(--a4)}
.chips{display:flex;flex-wrap:wrap;gap:5px}
.chip{padding:4px 11px;border-radius:99px;font-size:.75rem;font-weight:800;
  border:1.5px solid var(--border);background:var(--bg2);color:var(--text2);
  cursor:pointer;transition:all .15s;user-select:none}
.chip:hover{border-color:var(--a2);color:var(--text)}
.chip.on{border-color:var(--a2);background:rgba(78,205,196,.14);color:var(--text)}
.link-row{display:flex;align-items:center;gap:8px}
.link-row input[type=number]{flex:1}
.link-btn{width:32px;height:32px;flex-shrink:0;border-radius:8px;
  border:1.5px solid var(--border);background:var(--bg2);
  cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;
  transition:all .15s;color:var(--text2)}
.link-btn.linked{border-color:var(--a4);background:rgba(162,155,254,.15);color:var(--a4)}
.mode-row{display:flex;gap:6px}
.mode-tab{flex:1;padding:8px 4px;text-align:center;border-radius:9px;font-size:.78rem;font-weight:800;
  border:1.5px solid var(--border);background:var(--bg2);color:var(--text2);cursor:pointer;
  transition:all .15s;line-height:1.3}
.mode-tab:hover{border-color:var(--a1);color:var(--text)}
.mode-tab.on{border-color:var(--a1);background:rgba(255,107,107,.12);color:var(--text)}
.zoom-row{display:flex;align-items:center;gap:10px}
.zoom-row input[type=range]{flex:1;accent-color:var(--a4);cursor:pointer}
.zoom-num{font-size:.82rem;font-weight:800;color:var(--a4);min-width:32px;text-align:right}
.rt-label{display:flex;align-items:center;gap:6px;font-size:.72rem;font-weight:700;color:var(--a2)}
.rt-dot{width:7px;height:7px;border-radius:50%;background:var(--a2);animation:pulse 1.5s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.7)}}
.ctrl-lock-msg{
  display:none;
  position:absolute;inset:0;z-index:10;border-radius:var(--radius);
  background:rgba(var(--bg-rgb,255,255,255),.72);backdrop-filter:blur(3px);
  align-items:center;justify-content:center;flex-direction:column;gap:8px;
  font-size:.88rem;font-weight:700;color:var(--text2);text-align:center;
}
[data-theme=dark] .ctrl-lock-msg{background:rgba(12,12,26,.72)}
.ctrl-lock-msg.show{display:flex}
.ctrl-card{position:relative}
#workspace{display:none}
.ws-header{display:flex;align-items:center;justify-content:space-between;
  margin-bottom:16px;flex-wrap:wrap;gap:10px}
.ws-title{font-size:.75rem;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:var(--text2)}
.rt-badge{display:flex;align-items:center;gap:5px;font-size:.72rem;font-weight:700;color:var(--a2)}
.rt-dot2{width:7px;height:7px;border-radius:50%;background:var(--a2);animation:pulse 1.5s infinite}
.view-tabs{display:flex;gap:6px;margin-bottom:14px}
.view-tab{padding:7px 16px;border-radius:9px;font-size:.78rem;font-weight:800;
  border:1.5px solid var(--border);background:var(--bg2);color:var(--text2);
  cursor:pointer;transition:all .15s}
.view-tab.on{border-color:var(--a4);background:rgba(162,155,254,.15);color:var(--text)}
.split-view{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:620px){.split-view{grid-template-columns:1fr}}
.pane{display:flex;flex-direction:column;gap:8px}
.pane-label{display:flex;align-items:center;justify-content:space-between;
  font-size:.75rem;font-weight:800;color:var(--text2);letter-spacing:.8px;text-transform:uppercase}
.pane-dims{font-size:.72rem;font-weight:700;color:var(--text2);font-style:normal;
  text-transform:none;letter-spacing:0}
.frame{border-radius:10px;border:1.5px solid var(--border);overflow:hidden;
  background:repeating-conic-gradient(#ccc 0% 25%,#fff 0% 50%) 0 0/16px 16px;
  display:flex;align-items:center;justify-content:center;min-height:180px;position:relative}
[data-theme=dark] .frame{background:repeating-conic-gradient(#222 0% 25%,#2a2a2a 0% 50%) 0 0/16px 16px}
.frame img,.frame canvas{max-width:100%;max-height:360px;display:block;
  image-rendering:pixelated;image-rendering:-moz-crisp-edges}
.frame canvas{cursor:crosshair}
#eyedrop-tip{position:absolute;top:10px;right:10px;background:rgba(0,0,0,.78);color:#fff;
  padding:5px 10px;border-radius:8px;font-size:.75rem;font-weight:700;
  pointer-events:none;display:none;backdrop-filter:blur(4px);z-index:5}
.spin-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.7);backdrop-filter:blur(2px);border-radius:9px;z-index:5}
[data-theme=dark] .spin-overlay{background:rgba(12,12,26,.7)}
.spinner{width:28px;height:28px;border:3px solid var(--border);
  border-top-color:var(--a4);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
#compare-wrap{display:none;position:relative;border-radius:10px;overflow:hidden;
  border:1.5px solid var(--border);min-height:180px;user-select:none;touch-action:none;cursor:ew-resize}
#compare-orig,#compare-pixel{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
#compare-orig img,#compare-pixel canvas{
  width:100%;height:100%;object-fit:contain;display:block;
  image-rendering:pixelated;image-rendering:-moz-crisp-edges;pointer-events:none}
#compare-pixel{clip-path:inset(0 0 0 50%);transition:none}
#compare-divider{
  position:absolute;top:0;bottom:0;width:2px;background:#fff;
  box-shadow:0 0 8px rgba(0,0,0,.5);z-index:10;pointer-events:none;left:50%;transform:translateX(-50%);
}
#compare-handle{
  position:absolute;top:50%;z-index:11;
  width:38px;height:38px;border-radius:50%;
  background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.4);
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;pointer-events:none;
  transform:translate(-50%,-50%);left:50%;
  transition:box-shadow .15s;
}
#compare-wrap:active #compare-handle{box-shadow:0 4px 20px rgba(0,0,0,.55)}
.cmp-label-orig,.cmp-label-px{
  position:absolute;bottom:10px;font-size:.7rem;font-weight:800;
  padding:3px 9px;border-radius:6px;backdrop-filter:blur(6px);z-index:12;pointer-events:none;
}
.cmp-label-orig{left:10px;background:rgba(0,0,0,.5);color:#fff}
.cmp-label-px{right:10px;background:rgba(162,155,254,.8);color:#fff}
.dl-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.dl-btn{display:flex;align-items:center;gap:5px;padding:8px 18px;border-radius:9px;
  font-size:.84rem;font-weight:800;border:1.5px solid var(--border);background:var(--bg2);
  color:var(--text);cursor:pointer;transition:all .15s}
.dl-btn:hover{border-color:var(--a2);background:rgba(78,205,196,.12);transform:translateY(-1px)}
.dl-btn.primary{background:linear-gradient(135deg,var(--a1),var(--a4));border:none;color:#fff;
  box-shadow:0 3px 12px rgba(162,155,254,.3)}
.dl-btn.primary:hover{opacity:.9;box-shadow:0 5px 18px rgba(162,155,254,.45)}
#toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(70px);
  background:var(--text);color:var(--bg);padding:10px 22px;border-radius:11px;
  font-size:.88rem;font-weight:700;z-index:9999;opacity:0;
  transition:transform .3s,opacity .3s;white-space:nowrap;pointer-events:none}
#toast.show{transform:translateX(-50%) translateY(0);opacity:1}
footer{text-align:center;padding:28px 0 0;color:var(--text2);font-size:.8rem;line-height:1.7}
footer strong{color:var(--text)}
.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  transition: visibility 0.2s, opacity 0.25s ease;
}
.popup-overlay.active {
  visibility: visible;
  opacity: 1;
}
.popup-card {
  background: var(--surface);
  border-radius: 32px;
  max-width: 480px;
  width: 90%;
  padding: 32px 28px;
  text-align: center;
  border: 1px solid var(--border);
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  transform: scale(0.95);
  transition: transform 0.2s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}
.popup-overlay.active .popup-card {
  transform: scale(1);
}
.popup-icon {
  font-size: 68px;
  filter: drop-shadow(0 6px 12px rgba(0,0,0,0.2));
  margin-bottom: 12px;
}
.popup-card h2 {
  font-size: 1.9rem;
  font-weight: 800;
  margin: 12px 0 8px;
  background: linear-gradient(135deg, var(--a1), var(--a4));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.popup-card p {
  color: var(--text2);
  margin: 16px 0 20px;
  line-height: 1.5;
  font-size: 1rem;
}
.repo-link {
  display: inline-block;
  background: var(--bg2);
  padding: 8px 16px;
  border-radius: 60px;
  font-family: monospace;
  font-size: 0.85rem;
  margin-bottom: 24px;
  border: 1px solid var(--border);
  word-break: break-all;
  color: var(--text);
  text-decoration: none;
}
.repo-link:hover {
  border-color: var(--a4);
  background: rgba(162,155,254,0.1);
}
.popup-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
.star-btn {
  background: linear-gradient(135deg, #f5b042, #f59e0b);
  border: none;
  padding: 12px 28px;
  border-radius: 48px;
  font-weight: 800;
  font-size: 1rem;
  color: #1e293b;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 4px 10px rgba(245,158,11,0.3);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.star-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(245,158,11,0.4);
}
.later-btn {
  background: transparent;
  border: 1.5px solid var(--border);
  padding: 12px 22px;
  border-radius: 48px;
  font-weight: 700;
  color: var(--text2);
  cursor: pointer;
  transition: all 0.15s;
}
.later-btn:hover {
  border-color: var(--a2);
  color: var(--text);
  background: rgba(78,205,196,0.08);
}
.never-btn {
  background: transparent;
  border: none;
  padding: 12px 18px;
  color: var(--text2);
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: underline;
  opacity: 0.7;
}
.never-btn:hover {
  opacity: 1;
  color: var(--text);
}