*,*:before,*:after{box-sizing:border-box}:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f0f13;--surface: #16161e;--surface2: #1e1e2a;--border: #2a2a38;--accent: #7c6ef2;--accent-hover: #9086f5;--accent-light: rgba(124, 110, 242, .12);--green: #4ade80;--green-bg: rgba(74, 222, 128, .12);--red: #f87171;--red-bg: rgba(248, 113, 113, .12);--text: #e8e8f0;--text-muted: #888899;--text-dim: #555566;--radius: 12px;--radius-sm: 8px;--shadow: 0 4px 24px rgba(0,0,0,.4)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.5}#root{max-width:100%;padding:0;text-align:left}.app{display:flex;flex-direction:column;min-height:100vh}.header{background:linear-gradient(135deg,#13131a,#1a1528);border-bottom:1px solid var(--border);padding:24px 32px}.header-inner{max-width:1200px;margin:0 auto}.logo-wrap{display:flex;align-items:center;gap:10px;margin-bottom:6px}.logo-icon{font-size:28px}.logo-text{font-size:24px;font-weight:700;background:linear-gradient(135deg,#a78bfa,#60a5fa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.tagline{color:var(--text-muted);font-size:14px}.main{flex:1;max-width:1200px;margin:0 auto;width:100%;padding:32px 24px}.dropzone{border:2px dashed var(--border);border-radius:20px;padding:80px 40px;text-align:center;cursor:pointer;transition:all .2s ease;background:var(--surface)}.dropzone:hover,.dropzone.dragging{border-color:var(--accent);background:var(--accent-light);transform:scale(1.005)}.dropzone-icon{font-size:64px;margin-bottom:20px;display:block}.dropzone-title{font-size:22px;font-weight:600;color:var(--text);margin-bottom:8px}.dropzone-sub{font-size:15px;color:var(--text-muted);margin-bottom:12px}.link{color:var(--accent);font-weight:500}.dropzone-hint{font-size:13px;color:var(--text-dim)}.workspace{display:grid;grid-template-columns:360px 1fr;gap:24px;align-items:start}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px 16px;border-bottom:1px solid var(--border)}.panel-header h2{font-size:16px;font-weight:600;color:var(--text)}.btn-ghost{background:none;border:1px solid var(--border);color:var(--text-muted);font-size:13px;padding:6px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}.control-section{padding:20px 24px;border-bottom:1px solid var(--border)}.section-title{font-size:13px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:14px;display:flex;align-items:center;gap:6px}.quality-presets{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:16px}.preset-btn{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 8px;cursor:pointer;transition:all .15s;text-align:center;color:var(--text)}.preset-btn:hover{border-color:var(--accent);background:var(--accent-light)}.preset-btn.active{border-color:var(--accent);background:var(--accent-light);box-shadow:0 0 0 1px var(--accent)}.preset-label{display:block;font-size:13px;font-weight:600;color:var(--text)}.preset-desc{display:block;font-size:10px;color:var(--text-muted);margin-top:2px}.quality-slider-wrap{margin-top:4px}.slider-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.slider-hint{font-size:11px;color:var(--text-dim)}.quality-value{font-size:22px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums}.quality-slider{width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:6px;border-radius:3px;background:linear-gradient(to right,var(--accent) 0%,var(--accent) calc(var(--value, 80) * 1%),var(--border) calc(var(--value, 80) * 1%),var(--border) 100%);outline:none;cursor:pointer}.quality-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px var(--accent-light);transition:box-shadow .15s}.quality-slider::-webkit-slider-thumb:hover{box-shadow:0 0 0 6px var(--accent-light)}.quality-slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--accent);border:none;box-shadow:0 0 0 3px var(--accent-light)}.original-dims{font-size:12px;color:var(--text-muted);margin-bottom:12px}.dims-row{display:flex;align-items:flex-end;gap:10px}.dim-field{flex:1}.dim-field label{display:block;font-size:11px;font-weight:500;color:var(--text-muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.04em}.input-unit{display:flex;align-items:center;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;transition:border-color .15s}.input-unit:focus-within{border-color:var(--accent)}.input-unit input{flex:1;background:none;border:none;outline:none;padding:8px 10px;color:var(--text);font-size:14px;width:0;font-variant-numeric:tabular-nums}.input-unit input::-webkit-outer-spin-button,.input-unit 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img{width:100%;height:100%;object-fit:contain}.preview-placeholder{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-dim);font-size:13px;text-align:center;padding:20px}.preview-dims{margin-top:8px;font-size:12px;color:var(--text-dim);text-align:center;font-variant-numeric:tabular-nums}.arrow-col{display:flex;flex-direction:column;align-items:center;gap:8px;flex-shrink:0}.arrow-icon{font-size:24px;color:var(--text-dim)}.savings-badge{font-size:13px;font-weight:700;padding:4px 10px;border-radius:20px;white-space:nowrap}.savings-badge.positive{background:var(--green-bg);color:var(--green)}.savings-badge.negative{background:var(--red-bg);color:var(--red)}.stats-bar{display:flex;align-items:center;gap:0;padding:16px 24px;border-top:1px solid var(--border);background:var(--surface2)}.stat{flex:1;text-align:center}.stat-divider{width:1px;height:30px;background:var(--border)}.stat-label{display:block;font-size:11px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}.stat-val{display:block;font-size:15px;font-weight:700;color:var(--text);font-variant-numeric:tabular-nums}.stat-val.green{color:var(--green)}.stat-val.red{color:var(--red)}.btn-download{display:flex;align-items:center;justify-content:center;gap:8px;margin:20px 24px;padding:14px;background:linear-gradient(135deg,#16a34a,#15803d);color:#fff;border:none;border-radius:var(--radius-sm);font-size:15px;font-weight:600;cursor:pointer;transition:all .15s}.btn-download:hover{background:linear-gradient(135deg,#15803d,#166534);transform:translateY(-1px);box-shadow:0 4px 16px #16a34a66}.footer{text-align:center;padding:20px;font-size:12px;color:var(--text-dim);border-top:1px solid var(--border)}.quality-presets.disabled,.quality-slider-wrap.disabled{opacity:.35;pointer-events:none}.target-row{margin-top:16px;padding-top:14px;border-top:1px dashed var(--border);display:flex;flex-direction:column;gap:10px}.target-toggle-label{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:13px;font-weight:600;color:var(--text);-webkit-user-select:none;user-select:none}.toggle-switch{width:36px;height:20px;background:var(--border);border-radius:10px;position:relative;cursor:pointer;transition:background .2s;flex-shrink:0}.toggle-switch.on{background:var(--accent)}.toggle-knob{position:absolute;top:3px;left:3px;width:14px;height:14px;background:#fff;border-radius:50%;transition:transform .2s;box-shadow:0 1px 3px #0000004d}.toggle-switch.on .toggle-knob{transform:translate(16px)}.target-inline{display:flex;gap:8px;align-items:stretch;opacity:.35;pointer-events:none;transition:opacity .2s}.target-inline.active{opacity:1;pointer-events:auto}.target-input{flex:1}.target-input input{width:100%;font-size:18px;font-weight:700;padding:8px 12px;color:var(--accent)}.unit-toggle{display:flex;flex-direction:column;gap:4px}.unit-btn{flex:1;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:0 14px;font-size:12px;font-weight:600;color:var(--text-muted);cursor:pointer;transition:all .15s;white-space:nowrap}.unit-btn:hover:not(:disabled){border-color:var(--accent);color:var(--text)}.unit-btn.active{background:var(--accent-light);border-color:var(--accent);color:var(--accent)}.size-warning{background:var(--red-bg);border:1px solid rgba(248,113,113,.3);border-radius:var(--radius-sm);padding:8px 12px;font-size:12px;color:var(--red);line-height:1.4;margin-top:4px}@media (max-width: 900px){.workspace{grid-template-columns:1fr}.preview-panel{order:-1}}@media (max-width: 600px){.header{padding:12px 16px}.logo-icon{font-size:22px}.logo-text{font-size:18px}.tagline{font-size:12px}.main{padding:12px}.workspace{gap:12px}.previews{flex-direction:row;padding:12px;gap:8px;align-items:flex-start}.preview-img-wrap{aspect-ratio:1 / 1}.preview-label{flex-direction:column;align-items:flex-start;gap:3px;margin-bottom:6px}.preview-title{font-size:11px}.size-badge{font-size:11px;padding:2px 6px}.preview-dims{font-size:10px;margin-top:4px}.arrow-col{flex-direction:column;padding-top:40px}.arrow-icon{font-size:18px}.savings-badge{font-size:11px;padding:3px 6px}.stats-bar{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:10px 12px}.stat-divider{display:none}.stat{background:var(--surface);border-radius:var(--radius-sm);padding:8px 10px;text-align:left}.stat-label{font-size:10px}.stat-val{font-size:13px}.btn-download{margin:12px;padding:12px;font-size:14px}.panel-header{padding:12px 14px 10px}.control-section{padding:14px}.quality-presets{grid-template-columns:repeat(4,1fr);gap:5px}.preset-btn{padding:7px 4px}.preset-label{font-size:11px}.preset-desc{font-size:9px}.btn-compress{width:calc(100% - 28px);margin:12px 14px;padding:12px;font-size:14px}.dims-row,.format-btns{gap:6px}}.ad-slot{border:1px dashed rgba(59,130,246,.35);background:linear-gradient(180deg,#3b82f614,#0f172a0a);border-radius:var(--radius);padding:14px}.ad-slot.compact{padding:12px}.ad-slot-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}.ad-slot-badge{display:inline-flex;align-items:center;justify-content:center;padding:4px 8px;border-radius:999px;background:#3b82f624;color:var(--accent);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em}.ad-slot-name{font-size:13px;font-weight:600;color:var(--text)}.ad-slot-box{min-height:84px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-sm);background:#ffffff80;color:var(--text-muted);text-align:center;padding:12px}.ad-slot-code{font-family:ui-monospace,SFMono-Regular,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-size:12px;color:var(--accent)}.ad-slot-help{font-size:12px;line-height:1.5;max-width:320px}.panel-ad-wrap{padding:0 20px 4px}.panel-ad-wrap-bottom{padding-top:0;padding-bottom:20px}.footer .ad-slot{margin:0 auto 14px;max-width:820px}@media (max-width: 600px){.ad-slot{padding:10px}.ad-slot-box{min-height:72px;padding:10px}.ad-slot-name,.ad-slot-help,.ad-slot-code{font-size:11px}.panel-ad-wrap{padding:0 14px 4px}.panel-ad-wrap-bottom{padding-bottom:14px}}.app.embed-mode{min-height:auto;background:radial-gradient(120% 120% at 100% -20%,rgba(96,165,250,.16),transparent 55%),radial-gradient(120% 120% at -10% 120%,rgba(56,189,248,.12),transparent 45%),var(--bg)}.embed-mode .main{max-width:980px;padding-top:18px;padding-bottom:18px}.embed-intro-card{border:1px solid rgba(96,165,250,.32);background:linear-gradient(120deg,#0f172ae0,#1e293bb3);border-radius:16px;padding:14px;margin-bottom:16px}.embed-intro-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:8px}.embed-badge,.embed-label{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.embed-badge{background:#38bdf82e;color:#7dd3fc}.embed-label{background:#94a3b829;color:#e2e8f0}.embed-privacy{font-size:13px;color:#cbd5e1;margin-bottom:10px}.trust-chips{display:flex;gap:8px;flex-wrap:wrap}.trust-chip{border:1px solid rgba(148,163,184,.28);background:#1e293b99;border-radius:999px;padding:3px 10px;color:#cbd5e1;font-size:11px}@media (max-width: 600px){.embed-mode .main{padding-top:12px;padding-bottom:12px}.embed-intro-card{padding:12px;margin-bottom:12px}}