:root,[data-theme=light]{--color-bg-primary: #f6f7f4;--color-bg-surface: #ffffff;--color-bg-elevated: #fbfcfa;--color-text-primary: #18201d;--color-text-secondary: #65716b;--color-text-muted: #6e746f;--color-accent: #1d6b56;--color-accent-hover: #15523f;--color-accent-text: #ffffff;--color-border: #dce3da;--color-border-hover: #1d6b56;--color-alert-bg: #fff3ec;--color-alert-border: #efc7b0;--color-alert-text: #8f3c18;--color-focus-ring: #1d6b56;--color-eyebrow: #35715f;--shadow-card: 0 18px 50px rgba(27, 39, 34, .08);--shadow-card-hover: 0 8px 24px rgba(27, 39, 34, .06);--transition-fast: .15s ease;--transition-normal: .2s ease;--transition-slow: .3s ease}[data-theme=dark]{--color-bg-primary: #0f1512;--color-bg-surface: #1a2420;--color-bg-elevated: #1f2b26;--color-text-primary: #e8ede9;--color-text-secondary: #a3b0a8;--color-text-muted: #8a9690;--color-accent: #4fd1a5;--color-accent-hover: #6eddb8;--color-accent-text: #0f1512;--color-border: #2d3b35;--color-border-hover: #4fd1a5;--color-alert-bg: #2a1a10;--color-alert-border: #6b3a1a;--color-alert-text: #f0a070;--color-focus-ring: #4fd1a5;--color-eyebrow: #4fd1a5;--shadow-card: 0 18px 50px rgba(0, 0, 0, .3);--shadow-card-hover: 0 8px 24px rgba(0, 0, 0, .2)}*,*:before,*:after{box-sizing:border-box}html{overflow-x:hidden}:root{color:var(--color-text-primary);background:var(--color-bg-primary);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;overflow-x:hidden;line-height:1.5;color:var(--color-text-primary);background-color:var(--color-bg-primary);transition:background-color var(--transition-normal),color var(--transition-normal)}h1,h2,h3,h4,h5,h6,p{margin-top:0}h1{margin-bottom:0;font-size:clamp(2rem,5vw,4.8rem);line-height:.95;letter-spacing:0}h2{margin-bottom:8px;font-size:1.05rem;letter-spacing:0}button{font:inherit;cursor:pointer}a{color:var(--color-accent);text-decoration:none}a:hover{color:var(--color-accent-hover)}:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.app-layout{display:flex;flex-direction:column;min-height:100vh}.app-shell{flex:1;padding:28px}.workspace{max-width:1180px;margin:0 auto}.topbar{display:flex;align-items:center;gap:12px;margin-bottom:22px}.topbar-brand{flex:1;min-width:0}.topbar-switchers{display:flex;align-items:center;gap:8px}.eyebrow{display:block;margin:0 0 4px;color:var(--color-eyebrow);font-size:.78rem;font-weight:800;letter-spacing:0;text-transform:uppercase;text-decoration:none}.eyebrow:hover{color:var(--color-accent)}.lang-switcher{display:flex;align-items:center;gap:2px;min-width:44px;min-height:44px;padding:4px 8px;border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg-surface);color:var(--color-text-secondary);cursor:pointer;font-size:.82rem;font-weight:700;transition:border-color var(--transition-fast),background-color var(--transition-fast)}.lang-switcher:hover{border-color:var(--color-border-hover)}.lang-switcher:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.lang-switcher span{padding:4px 6px;border-radius:4px;transition:background-color var(--transition-fast),color var(--transition-fast)}.lang-switcher span.active{background:var(--color-accent);color:var(--color-accent-text)}.theme-switcher{display:grid;place-items:center;min-width:44px;min-height:44px;padding:0;border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg-surface);cursor:pointer;font-size:1.2rem;line-height:1;transition:border-color var(--transition-fast),background-color var(--transition-fast)}.theme-switcher:hover{border-color:var(--color-border-hover)}.theme-switcher:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.theme-icon{display:grid;place-items:center}.mode-control{display:grid;grid-template-columns:1fr 1fr;width:min(280px,100%);padding:4px;border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg-surface)}.mode-control button{min-height:44px;min-width:44px;border:0;border-radius:6px;background:transparent;color:var(--color-text-secondary);cursor:pointer;transition:background-color var(--transition-fast),color var(--transition-fast)}.mode-control button:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.mode-control button.active{background:var(--color-accent);color:var(--color-accent-text);font-weight:750}.mode-control button:disabled{background:var(--color-bg-elevated);color:var(--color-text-muted);cursor:not-allowed;font-weight:400}.content-grid{display:grid;grid-template-columns:1fr;gap:18px}.dropzone,.status-panel,.warnings-panel{border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg-surface);box-shadow:var(--shadow-card);transition:border-color var(--transition-fast),background-color var(--transition-normal),box-shadow var(--transition-normal)}.dropzone{display:grid;align-content:center;justify-items:center;min-height:min(520px,60vh);padding:34px;transition:border-color var(--transition-fast),background-color var(--transition-fast),transform var(--transition-fast)}.dropzone.dragging{border-color:var(--color-accent);background:var(--color-bg-elevated);transform:translateY(-2px)}.dropzone p,.empty-preview p{color:var(--color-text-secondary)}.file-input{display:none}.drop-art{display:grid;place-items:center;width:96px;aspect-ratio:1;margin-bottom:28px;border-radius:8px;background:var(--color-text-primary);color:#f2ff75;font-weight:900;letter-spacing:0;transition:background-color var(--transition-normal),color var(--transition-normal)}[data-theme=dark] .drop-art{background:var(--color-accent);color:var(--color-accent-text)}.dropzone-box{border:2px dashed var(--color-eyebrow);border-radius:6px;padding:50px 30px;width:100%;max-width:500px;display:flex;flex-direction:column;align-items:center;text-align:center;background:var(--color-bg-surface);transition:border-color var(--transition-normal),background-color var(--transition-normal)}.dropzone.dragging .dropzone-box{border-color:var(--color-accent);background:var(--color-bg-elevated)}.dropzone-box p{color:var(--color-eyebrow);font-weight:500;margin-top:12px;font-size:.95rem}.dropzone-box .drop-art{margin-bottom:16px}.dropzone.loading{border-color:var(--color-accent);background:var(--color-bg-elevated);cursor:wait}.dropzone.loading .drop-art{animation:pulse-slow 1.5s ease-in-out infinite;background:var(--color-accent)}.primary-action,.secondary-action,.download-button{min-height:44px;min-width:44px;padding:0 18px;border:0;border-radius:7px;font-weight:800;cursor:pointer;transition:background-color var(--transition-fast),color var(--transition-fast),transform var(--transition-fast)}.primary-action:focus-visible,.secondary-action:focus-visible,.download-button:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}.primary-action,.download-button{background:var(--color-accent);color:var(--color-accent-text)}.primary-action:hover,.download-button:hover{background:var(--color-accent-hover)}.secondary-action{border:1px solid var(--color-border);background:var(--color-bg-surface);color:var(--color-accent)}.secondary-action:hover{border-color:var(--color-border-hover)}.action-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.download-group{display:flex;gap:8px}.download-group button{min-height:44px;min-width:44px;padding:0 12px;font-size:.85rem}@keyframes pulse{0%{transform:scale(1);box-shadow:0 0 #1d6b5666}70%{transform:scale(1.03);box-shadow:0 0 0 10px #1d6b5600}to{transform:scale(1);box-shadow:0 0 #1d6b5600}}.download-button{animation:pulse 2s infinite}.status-panel{min-height:min(520px,60vh);padding:22px}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.panel-header h2{margin-bottom:0}.stats-grid{display:grid;grid-template-columns:1fr;gap:10px;margin-bottom:20px}.metric{min-height:84px;padding:16px;border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg-surface);box-shadow:0 4px 12px #1b272208;transition:transform var(--transition-normal),box-shadow var(--transition-normal),border-color var(--transition-normal)}.metric:hover{transform:translateY(-2px);box-shadow:var(--shadow-card-hover);border-color:var(--color-border-hover)}.metric span{display:block;color:var(--color-text-secondary);font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em}.metric strong{display:block;margin-top:8px;font-size:1.8rem;line-height:1;color:var(--color-text-primary)}.alert{margin-top:16px;padding:14px;border:1px solid var(--color-alert-border);border-radius:8px;background:var(--color-alert-bg);color:var(--color-alert-text);transition:background-color var(--transition-normal),border-color var(--transition-normal),color var(--transition-normal)}.preview-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}.preview-list li{display:grid;grid-template-columns:44px 1fr;gap:12px;padding:12px;border:1px solid var(--color-border);border-radius:8px;background:var(--color-bg-elevated)}.preview-list li>span{display:grid;place-items:center;width:34px;height:34px;border-radius:7px;background:var(--color-bg-elevated);color:var(--color-accent);font-weight:850}.preview-list time{display:block;margin-bottom:4px;color:var(--color-text-muted);font-size:.82rem;font-variant-numeric:tabular-nums}.preview-list p{margin-bottom:0;line-height:1.45}.empty-preview{display:grid;min-height:320px;align-content:center;justify-items:center;text-align:center}.warnings-panel,.diagnostics-panel{margin-top:18px;padding:20px;transition:opacity var(--transition-normal),transform var(--transition-normal)}.warnings-panel ul,.diagnostics-panel ul{display:grid;gap:8px;margin:0;padding-left:20px;color:var(--color-alert-text)}.diagnostics-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:12px 0}.diagnostics-panel summary{cursor:pointer;color:var(--color-accent);font-weight:750}@keyframes pulse-slow{0%{transform:scale(1);opacity:1}50%{transform:scale(.95);opacity:.7}to{transform:scale(1);opacity:1}}.loading-indicator{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:32px;text-align:center}.loading-spinner{width:48px;height:48px;border-radius:50%;background:var(--color-accent);animation:pulse-slow 1.5s ease-in-out infinite}.loading-label{margin:0;color:var(--color-text-secondary);font-size:.9rem;font-weight:600}.loading-filename{margin:0;color:var(--color-text-primary);font-size:.85rem;font-weight:500;word-break:break-all}.tooltip-wrapper{position:relative;display:inline-flex}.tooltip{position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%);padding:6px 10px;border-radius:6px;background:var(--color-text-primary);color:var(--color-bg-primary);font-size:.78rem;font-weight:500;white-space:nowrap;pointer-events:none;opacity:0;transition:opacity var(--transition-normal)}.tooltip-visible{opacity:1}.app-footer{display:flex;align-items:center;justify-content:center;gap:16px;padding:16px 0;border-top:1px solid var(--color-border);color:var(--color-text-muted);font-size:.82rem}.footer-name{font-weight:700;color:var(--color-text-secondary);text-decoration:none}.footer-name:hover{color:var(--color-accent)}.footer-version{color:var(--color-text-muted)}.footer-repo{color:var(--color-accent);text-decoration:none;transition:color var(--transition-fast)}.footer-repo:hover{color:var(--color-accent-hover);text-decoration:underline}@media(max-width:767px){.app-shell{padding:16px}.topbar{display:grid;grid-template-columns:1fr auto;grid-template-rows:auto auto;gap:12px 8px;align-items:start}.topbar-brand{grid-column:1;grid-row:1}.topbar-switchers{grid-column:2;grid-row:1;align-self:start;margin-top:2px}.topbar .mode-control{grid-column:1 / -1;grid-row:2;width:100%}.dropzone,.status-panel{min-height:auto}.stats-grid{grid-template-columns:1fr}.diagnostics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.panel-header{flex-direction:column;align-items:stretch}.download-group{flex-direction:column;width:100%}.download-group button{width:100%;min-height:44px}.action-row{flex-direction:column}.action-row button{width:100%;min-height:44px;min-width:44px}}@media(min-width:768px){.content-grid{grid-template-columns:1fr 1fr}.diagnostics-grid,.stats-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(min-width:1024px){.content-grid{grid-template-columns:.95fr 1.05fr}.diagnostics-grid{grid-template-columns:repeat(6,minmax(0,1fr))}}