:root{--bg: #0b0e14;--bg-soft: #10151f;--panel: #121826;--panel-2: #0e1420;--border: #1f2a3d;--text: #e9edf5;--text-dim: #8b96ab;--accent: #f5b83d;--accent-strong: #ffc95e;--accent-ink: #241a04;--danger: #ff6b6b;--radius: 14px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:radial-gradient(1200px 700px at 50% -10%,#16203a 0%,var(--bg) 55%) fixed,var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}.app{height:100dvh;display:flex;flex-direction:column}.screen-center{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;color:var(--text-dim)}.spinner{width:28px;height:28px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--accent);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;cursor:pointer;font:inherit;font-weight:600;padding:10px 18px;border-radius:999px;transition:transform .06s ease,background .15s ease,border-color .15s ease}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.55;cursor:default}.btn-primary{background:linear-gradient(180deg,var(--accent-strong),var(--accent));color:var(--accent-ink);box-shadow:0 6px 20px -6px #f5b83d80}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text);display:inline-flex;align-items:center;gap:6px}.btn-ghost:hover{border-color:#2c3b56}.btn-icon{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:var(--panel-2);color:var(--text);cursor:pointer;width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;transition:background .15s ease,border-color .15s ease,transform .06s ease}.btn-icon:hover{background:#1a2436;border-color:#2c3a52}.btn-icon:active{transform:scale(.94)}.landing{flex:1;overflow-y:auto;display:flex;flex-direction:column;align-items:center;gap:22px;padding:clamp(20px,4vh,48px) 20px calc(32px + env(safe-area-inset-bottom));max-width:640px;margin:0 auto;width:100%}.brand{display:inline-flex;align-items:center;gap:8px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;font-size:13px;color:var(--text-dim)}.brand-dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px #f5b83dcc}.landing-hero{text-align:center;display:flex;flex-direction:column;gap:10px}.landing h1{margin:0;font-size:clamp(30px,6vw,46px);line-height:1.1;letter-spacing:-.02em}.landing h1 .accent,.landing h1 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ease}.dropzone:hover{border-color:var(--accent)}.dropzone:active{transform:scale(.99)}.dropzone-drag{border-color:var(--accent);background:#1a2233}.dropzone-busy{cursor:progress}.dropzone-icon{color:var(--accent);margin-bottom:6px}.dropzone-title{margin:0;font-weight:700;font-size:17px}.dropzone-hint{margin:0;color:var(--text-dim);font-size:14px}.dropzone-fine{margin:4px 0 0;color:var(--text-dim);font-size:12px;opacity:.7}.error-text{margin:0;color:var(--danger);font-size:14px;font-weight:600;text-align:center}.steps{display:flex;gap:20px;flex-wrap:wrap;justify-content:center;color:var(--text-dim);font-size:13px}.step{display:inline-flex;align-items:center;gap:8px}.step span{width:22px;height:22px;border-radius:50%;background:var(--panel);border:1px solid var(--border);color:var(--accent);font-weight:700;display:inline-flex;align-items:center;justify-content:center;font-size:12px}.privacy-note{display:inline-flex;align-items:center;gap:7px;color:var(--text-dim);font-size:13px;padding:9px 16px;border-radius:999px;border:1px solid var(--border);background:var(--panel-2)}.landing-footer{color:var(--text-dim);font-size:12px;opacity:.6;margin-top:4px}.error-toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom));transform:translate(-50%);background:#2a1220;border:1px solid #5c2238;color:var(--danger);padding:10px 18px;border-radius:12px;font-size:14px;font-weight:600;z-index:50;box-shadow:0 10px 30px #00000080}.result-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;background:#04060abf;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:grid;place-items:center;padding:18px}.result-card{width:100%;max-width:460px;max-height:calc(100dvh - 36px);overflow-y:auto;background:var(--panel);border:1px solid var(--border);border-radius:18px;padding:18px;display:flex;flex-direction:column;align-items:center;gap:12px;box-shadow:0 30px 80px -20px #000c}.result-title{margin:0;font-size:18px}.result-image{width:83%;max-height:46dvh;object-fit:contain;border-radius:12px;background:#141b27;background-image:repeating-conic-gradient(#1b2434,#1b2434 25%,#141b27 0%,#141b27 50%);background-size:24px 24px;user-select:none;-webkit-user-select:none;-webkit-touch-callout:default}.result-hint{margin:0;color:var(--text-dim);font-size:13px;text-align:center}.result-row{width:100%;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}.result-check{display:inline-flex;align-items:center;gap:8px;color:var(--text-dim);font-size:14px;cursor:pointer}.result-check input{width:18px;height:18px;accent-color:var(--accent)}.result-close{font-size:13px;padding:7px 18px}.editor{flex:1;min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr) auto}.editor-top{display:flex;align-items:center;gap:12px;padding:12px 16px calc(10px + env(safe-area-inset-top,0));padding-top:max(12px,env(safe-area-inset-top));border-bottom:1px solid var(--border);background:#0b0e14bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.editor-back{font-size:13px;padding:8px 14px}.editor-title{flex:1;margin:0;font-size:16px;font-weight:700;text-align:center;white-space:nowrap}.editor-download{font-size:14px;padding:9px 16px}.stage-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;min-height:0;padding:12px;overflow:hidden}.stage{flex:1;min-height:0;width:100%;max-width:680px;display:grid;place-items:center;position:relative}.viewport{display:block;border-radius:12px;box-shadow:0 20px 50px -18px #000c;background:#141b27;background-image:repeating-conic-gradient(#1b2434,#1b2434 25%,#141b27 0%,#141b27 50%);background-size:24px 24px;touch-action:none;user-select:none;-webkit-user-select:none;cursor:grab}.viewport:active{cursor:grabbing}.stage-hint{margin:0;color:var(--text-dim);font-size:12px}.controls{display:flex;flex-direction:column;gap:10px;padding:10px 16px calc(14px + env(safe-area-inset-bottom));border-top:1px solid var(--border);background:#0b0e14bf;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);max-height:46dvh;overflow-y:auto}.control-group{display:flex;align-items:center;justify-content:center;gap:8px}.slider-wrap{flex:1;display:flex;align-items:center;gap:10px}.range{flex:1;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:6px;border-radius:999px;background:var(--border);accent-color:var(--accent);cursor:pointer}.range::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent-strong);border:none;box-shadow:0 2px 8px #00000080}.zoom-readout,.num-readout{min-width:52px;text-align:right;font-variant-numeric:tabular-nums;color:var(--text-dim);font-size:13px;font-weight:600}.control-download .btn-primary{width:100%;max-width:420px;padding:13px;font-size:15px}@media (pointer: coarse){.btn-icon{width:46px;height:46px}.btn{min-height:44px}}@media (min-width: 900px){.editor{grid-template-columns:minmax(0,1fr) 320px;grid-template-rows:auto minmax(0,1fr)}.editor-top{grid-column:1 / -1}.stage-wrap{align-self:stretch}.controls{grid-column:2;grid-row:2;border-top:none;border-left:1px solid var(--border);flex-direction:column;justify-content:center;gap:18px}.control-group{flex-direction:row}}