/* LabelCropper 4x6 — premium animated UI. Pure CSS, no CDN. */
:root{
  --bg0:#070b16; --bg1:#0b1020;
  --card:rgba(255,255,255,.86); --card-solid:#ffffff;
  --ink:#0f172a; --mut:#64748b; --line:rgba(15,23,42,.09);
  --acc:#4f46e5; --acc2:#06b6d4; --ok:#16a34a;
  --grad:linear-gradient(135deg,#6366f1,#8b5cf6 45%,#06b6d4);
  --r:18px; --sh:0 12px 40px -12px rgba(79,70,229,.25);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial;color:var(--ink);
  background:linear-gradient(180deg,#f6f7ff 0%,#eef2ff 45%,#f8fafc 100%);min-height:100vh;overflow-x:hidden}
code{background:rgba(79,70,229,.1);color:#4338ca;padding:1px 6px;border-radius:6px;font-size:.92em}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}

/* animated background */
.bg{position:fixed;inset:0;z-index:-1;overflow:hidden;background:linear-gradient(180deg,#0b1020,#101736 60%,#0b1020)}
.blob{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55;animation:drift 18s ease-in-out infinite alternate}
.b1{width:520px;height:520px;left:-140px;top:-140px;background:radial-gradient(circle,#6366f1,transparent 65%)}
.b2{width:460px;height:460px;right:-120px;top:10%;background:radial-gradient(circle,#06b6d4,transparent 65%);animation-delay:-6s}
.b3{width:600px;height:600px;left:30%;bottom:-280px;background:radial-gradient(circle,#a855f7,transparent 65%);animation-delay:-12s}
.grain{position:absolute;inset:0;opacity:.5;background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:22px 22px}
@keyframes drift{from{transform:translate(0,0) scale(1)}to{transform:translate(60px,40px) scale(1.12)}}

/* nav */
.nav{position:sticky;top:0;z-index:20;backdrop-filter:blur(14px);background:rgba(7,11,22,.72);border-bottom:1px solid rgba(255,255,255,.08)}
.nav-in{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;color:#fff}
.brand{display:flex;align-items:center;gap:10px;font-size:16px}
.brand em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}
.logo{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--grad);box-shadow:0 6px 18px -6px rgba(139,92,246,.7);animation:pop .6s cubic-bezier(.2,.9,.3,1.4)}
.offline-note{font-size:12.5px;font-weight:600;color:#cbd5e1;display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 0 rgba(34,197,94,.7);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
@keyframes pop{from{transform:scale(.4) rotate(-14deg);opacity:0}to{transform:scale(1) rotate(0);opacity:1}}

/* hero */
.hero{color:#fff;padding:44px 20px 10px;display:flex;gap:26px;justify-content:space-between;align-items:flex-end;flex-wrap:wrap}
.hero-text{max-width:680px}
h1{margin:0;font-size:clamp(28px,4.4vw,46px);line-height:1.05;letter-spacing:-.02em}
.grad{background:linear-gradient(90deg,#a5b4fc,#e9d5ff,#67e8f9);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-text p{color:#cbd5e1;font-size:15px;line-height:1.65}
.hero-text code{background:rgba(255,255,255,.12);color:#fff}
.steps{display:flex;align-items:center;gap:10px;margin-top:16px}
.step{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#94a3b8;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);padding:8px 14px;border-radius:999px;transition:all .4s}
.step .n{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:rgba(255,255,255,.14);font-size:12px}
.step.active{color:#fff;border-color:rgba(139,92,246,.7);background:rgba(139,92,246,.22);box-shadow:0 0 24px -6px rgba(139,92,246,.8)}
.step.done{color:#86efac;border-color:rgba(34,197,94,.6);background:rgba(34,197,94,.14)}
.step.done .n{background:#22c55e;color:#052e16}
.link{width:34px;height:2px;border-radius:2px;background:linear-gradient(90deg,rgba(139,92,246,.7),rgba(6,182,212,.7));position:relative;overflow:hidden}
.link::after{content:"";position:absolute;inset:0;background:#fff;transform:translateX(-100%);animation:flow 2.2s infinite}
@keyframes flow{60%,100%{transform:translateX(100%)}}
.hero-stats{display:flex;gap:12px}
.stat{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:14px 20px;min-width:118px;text-align:center;backdrop-filter:blur(8px);animation:floaty 5s ease-in-out infinite}
.stat:nth-child(2){animation-delay:-1.6s}.stat:nth-child(3){animation-delay:-3.2s}
.stat b{display:block;font-size:24px;background:linear-gradient(180deg,#fff,#a5b4fc);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{font-size:11px;color:#94a3b8}
@keyframes floaty{50%{transform:translateY(-6px)}}

/* layout */
.layout{display:grid;grid-template-columns:1.05fr .95fr;gap:18px;align-items:start;padding-bottom:8px}
.col{min-width:0}.hero-text{min-width:0}
@media(max-width:920px){.layout{grid-template-columns:1fr}.hero{align-items:flex-start}}
.card{background:var(--card);backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin:16px 0;box-shadow:var(--sh);position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0 0 auto;height:3px;background:var(--grad);opacity:.9}
.card-h{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
h2{margin:0;font-size:16px;letter-spacing:-.01em}h2 small{color:var(--mut);font-weight:500;font-size:12px}
.count-chip{font-size:11px;font-weight:800;color:#4338ca;background:rgba(79,70,229,.12);padding:5px 11px;border-radius:999px}

/* dropzone */
.upload{display:flex;gap:18px;align-items:center;border:1.5px dashed rgba(99,102,241,.5);cursor:pointer;transition:transform .25s,box-shadow .25s,border-color .25s}
.upload:hover{transform:translateY(-2px);box-shadow:0 18px 50px -14px rgba(99,102,241,.45)}
.upload.dragover{border-color:#06b6d4;background:rgba(6,182,212,.08);transform:scale(1.01)}
.upload.dragover .dz-art{animation:wiggle .5s}
@keyframes wiggle{25%{transform:rotate(-6deg) scale(1.06)}75%{transform:rotate(6deg) scale(1.06)}}
.dz-art{position:relative;display:grid;place-items:center;width:92px;height:92px;flex:none;border-radius:24px;background:linear-gradient(135deg,rgba(99,102,241,.15),rgba(6,182,212,.15));color:#4f46e5}
.ring{position:absolute;inset:-6px;border-radius:28px;border:2px dashed rgba(99,102,241,.4);animation:spin 14s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.float{position:absolute;border-radius:50%;background:var(--grad);opacity:.7;animation:floaty 4s ease-in-out infinite}
.f1{width:10px;height:10px;right:6px;top:10px}.f2{width:7px;height:7px;left:8px;bottom:12px;animation-delay:-1.3s}.f3{width:6px;height:6px;right:14px;bottom:6px;animation-delay:-2.6s}
.dz-copy b{font-size:16px}.or{color:var(--mut);margin:0 8px;font-size:13px}
.hint{font-size:12px;color:var(--mut);margin-top:8px}
.dz-count{position:absolute;top:14px;right:14px;min-width:28px;height:28px;display:grid;place-items:center;background:var(--grad);color:#fff;font-weight:800;font-size:13px;border-radius:999px;padding:0 8px;animation:pop .4s}

/* files */
.files{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px;max-height:220px;overflow:auto}
.files li{display:flex;align-items:center;gap:10px;background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:9px 12px;font-size:13px;animation:slidein .35s cubic-bezier(.2,.9,.3,1.1)}
@keyframes slidein{from{transform:translateX(-14px);opacity:0}to{transform:none;opacity:1}}
.files .fic{width:30px;height:30px;flex:none;display:grid;place-items:center;border-radius:9px;background:rgba(220,38,38,.1);color:#dc2626;font-weight:800}
.files .fn{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.files .rm{border:0;background:transparent;color:var(--mut);cursor:pointer;font-size:15px;border-radius:8px;padding:4px 8px;transition:all .2s}
.files .rm:hover{color:#dc2626;background:rgba(220,38,38,.1);transform:scale(1.12)}
.empty-li{color:var(--mut);border-style:dashed!important;background:transparent!important;justify-content:center}
.mini{border:1px solid var(--line);background:#fff;border-radius:8px;font-size:12px;padding:5px 10px;cursor:pointer;color:var(--mut);transition:all .2s}
.mini:hover{color:#dc2626;border-color:#fecaca}

/* settings */
.set-grid{display:grid;grid-template-columns:1fr 1fr auto;gap:14px;align-items:end;margin-bottom:14px}
@media(max-width:640px){.set-grid{grid-template-columns:1fr}}
.fld{font-size:12px;font-weight:700;color:var(--mut);display:flex;flex-direction:column;gap:7px}
.fld output{color:#4f46e5}
select,input[type=range]{accent-color:#6366f1}
select{border:1px solid var(--line);border-radius:10px;padding:9px 11px;font-size:13px;background:#fff;transition:border .2s,box-shadow .2s}
select:focus{outline:none;border-color:#818cf8;box-shadow:0 0 0 3px rgba(99,102,241,.18)}
input[type=range]{width:100%;cursor:pointer}
.switch{display:flex;align-items:center;gap:9px;font-size:13px;font-weight:600;cursor:pointer}
.switch input{display:none}
.tr{width:42px;height:24px;border-radius:999px;background:#cbd5e1;position:relative;transition:background .3s;flex:none}
.th{position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:left .3s cubic-bezier(.2,.9,.3,1.3);box-shadow:0 2px 6px rgba(0,0,0,.25)}
.switch input:checked+.tr{background:linear-gradient(90deg,#6366f1,#06b6d4)}
.switch input:checked+.tr .th{left:21px}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:12px;padding:11px 18px;font-weight:700;font-size:14px;cursor:pointer;transition:transform .15s,box-shadow .25s,filter .2s;position:relative;overflow:hidden}
.btn:active{transform:scale(.96)}
.btn:disabled{opacity:.45;cursor:not-allowed;filter:grayscale(.4)}
.btn.primary{background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;box-shadow:0 10px 24px -8px rgba(99,102,241,.7)}
.btn.primary:not(:disabled):hover{box-shadow:0 14px 32px -8px rgba(99,102,241,.9);transform:translateY(-1px)}
.btn.success{background:linear-gradient(135deg,#16a34a,#059669);color:#fff;box-shadow:0 10px 24px -8px rgba(22,163,74,.6)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.xl{padding:13px 22px;font-size:15px}
.shine::after{content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.5),transparent);transform:skewX(-20deg);animation:shine 3.4s infinite}
@keyframes shine{60%,100%{left:130%}}
.statusline{display:flex;align-items:center;gap:9px;font-size:13px;color:#334155;margin-top:12px;min-height:22px}
.sdot{width:10px;height:10px;border-radius:50%;flex:none}
.sdot.idle{background:#cbd5e1}.sdot.busy{background:#f59e0b;animation:pulse 1.2s infinite}.sdot.ok{background:#22c55e}.sdot.err{background:#ef4444}
.progress{height:9px;background:#eef2ff;border-radius:99px;overflow:hidden;margin-top:9px}
#bar{height:100%;width:0;background:var(--grad);background-size:200% 100%;animation:barslide 1.4s linear infinite;transition:width .25s;border-radius:99px}
@keyframes barslide{to{background-position:-200% 0}}

/* preview */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:13px}
.empty{grid-column:1/-1;text-align:center;color:var(--mut);font-size:13px;padding:26px 10px;border:1.5px dashed var(--line);border-radius:14px;background:#f8fafc}
.empty p{margin:10px 0 0;line-height:1.6}
.thumb{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 8px 22px -12px rgba(15,23,42,.3);opacity:0;transform:translateY(16px) scale(.97);animation:thumbin .5s cubic-bezier(.2,.9,.3,1.15) forwards;transition:transform .25s,box-shadow .25s}
.thumb:hover{transform:translateY(-4px) scale(1.015);box-shadow:0 18px 36px -14px rgba(79,70,229,.5)}
@keyframes thumbin{to{opacity:1;transform:none}}
.thumb canvas{width:100%;display:block;background:#fff}
.thumb .meta{font-size:11px;padding:8px 10px;color:#334155;border-top:1px solid var(--line);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;background:#f8fafc}
.thumb.loading .skel{aspect-ratio:2/3;min-height:190px;background:linear-gradient(100deg,#eef2ff 40%,#dde4ff 50%,#eef2ff 60%);background-size:200% 100%;animation:skelsh 1.2s linear infinite}
@keyframes skelsh{to{background-position:-200% 0}}
.thumb.fail .skel{aspect-ratio:2/3;min-height:190px;display:grid;place-items:center;background:#fef2f2;color:#dc2626;font-size:13px;font-weight:700;animation:none}

/* offline steps */
.ol-steps{margin:0;padding-left:22px;display:grid;gap:10px;font-size:13.5px;line-height:1.65;color:#334155}
.ol-steps li::marker{color:#6366f1;font-weight:800}
.offline{margin-top:0}

/* how tabs */
.tabs{display:grid;gap:10px}
.tab{background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:13px;transition:transform .2s,box-shadow .2s}
.tab:hover{transform:translateX(4px);box-shadow:0 8px 20px -12px rgba(79,70,229,.4)}
.tab p{margin:6px 0 0;color:#475569;line-height:1.6}
.how .hint{margin-top:12px}
.foot{color:#cbd5e1;font-size:12px;padding:6px 20px 34px;text-align:center}

/* overlay */
.overlay{position:fixed;inset:0;z-index:50;display:grid;place-items:center;background:rgba(7,11,22,.6);backdrop-filter:blur(6px);animation:fadein .3s}
.overlay[hidden]{display:none}
@keyframes fadein{from{opacity:0}}
.sheet{background:#fff;border-radius:20px;padding:30px 34px;text-align:center;min-width:min(340px,86vw);box-shadow:0 30px 80px -20px rgba(0,0,0,.5);animation:sheetup .4s cubic-bezier(.2,.9,.3,1.2)}
@keyframes sheetup{from{transform:translateY(26px) scale(.95);opacity:0}}
.spinner{width:52px;height:52px;margin:0 auto 14px;border-radius:50%;border:4px solid #e0e7ff;border-top-color:#6366f1;animation:spin .8s linear infinite}
.oprogress{height:9px;background:#eef2ff;border-radius:99px;overflow:hidden;margin:14px 0 6px}
#overlayBar{height:100%;width:0;background:var(--grad);transition:width .2s}
.opct{font-size:12px;color:var(--mut);font-weight:700}
#overlaySub{font-size:12px;color:var(--mut)}

/* toasts */
.toasts{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:10px}
.toast{background:#0f172a;color:#fff;font-size:13px;font-weight:600;padding:12px 18px;border-radius:12px;box-shadow:0 16px 40px -10px rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.12);animation:toastin .4s cubic-bezier(.2,.9,.3,1.2);max-width:min(360px,86vw)}
.toast.ok{border-left:4px solid #22c55e}.toast.err{border-left:4px solid #ef4444}.toast.info{border-left:4px solid #6366f1}
.toast.out{animation:toastout .3s forwards}
@keyframes toastin{from{transform:translateX(60px);opacity:0}}
@keyframes toastout{to{transform:translateX(60px);opacity:0}}

/* entrance */
.reveal{opacity:0;transform:translateY(18px);animation:reveal .7s cubic-bezier(.2,.8,.3,1) forwards}
.d1{animation-delay:.08s}.d2{animation-delay:.18s}.d3{animation-delay:.28s}
@keyframes reveal{to{opacity:1;transform:none}}

@media(max-width:640px){
.hero{padding-top:28px}
.nav-in{padding:10px 14px}
.offline-note{font-size:11.5px}
.steps{flex-wrap:wrap;gap:8px}
.step{font-size:12px;padding:7px 11px}
.link{width:16px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;width:100%}
.stat{min-width:0;padding:10px 6px}
.stat b{font-size:19px}
.stat span{font-size:10px}
.upload{flex-direction:column;text-align:center;padding:22px 16px}
.card{padding:16px;margin:12px 0}
.grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.actions .btn{flex:1;justify-content:center}
.btn.xl{padding:12px 12px;font-size:13.5px}
.sheet{padding:24px 20px}
.set-grid{gap:12px}
}
@media(max-width:380px){
.grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.dz-copy b{font-size:14px}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}