.app{min-height:100vh;display:flex;flex-direction:column;background:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(77,143,255,.12),transparent),var(--color-bg)}.header{padding:1.5rem 2rem;border-bottom:1px solid var(--color-border)}.header__brand{display:flex;align-items:center;gap:1rem;max-width:1100px;margin:0 auto}.header__mark{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:var(--radius-md);background:var(--color-primary-muted);color:var(--color-primary)}.header h1{margin:0;font-size:1.5rem;font-weight:600;letter-spacing:-.02em}.header__tagline{margin:.15rem 0 0;font-size:.875rem;color:var(--color-text-muted)}.main{flex:1;display:grid;grid-template-columns:280px 1fr 320px;gap:1.5rem;padding:1.5rem 2rem 2rem;max-width:1200px;margin:0 auto;width:100%}@media(max-width:960px){.main{grid-template-columns:1fr}}.panel{background:var(--color-bg-elevated);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:1.25rem;box-shadow:var(--shadow-panel)}.panel--controls{height:fit-content}.panel__title{margin:0 0 1rem;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-muted)}.label{display:block;font-size:.8rem;font-weight:500;color:var(--color-text-muted);margin-bottom:.5rem}.select{width:100%;padding:.6rem .75rem;font-size:.95rem;font-family:inherit;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);cursor:pointer}.select:focus{outline:2px solid var(--color-border-focus);outline-offset:2px}.select:disabled{opacity:.6;cursor:not-allowed}.hint{margin:.75rem 0 0;font-size:.8rem;color:var(--color-text-dim);line-height:1.5}.workspace{display:flex;flex-direction:column;gap:1rem}.dropzone{flex:1;min-height:200px;display:flex;align-items:center;justify-content:center;padding:2rem;border:2px dashed var(--color-border);border-radius:var(--radius-lg);background:var(--color-bg-subtle);cursor:pointer;transition:border-color .15s,background .15s}.dropzone:hover,.dropzone:focus-visible{border-color:var(--color-primary);background:var(--color-primary-muted);outline:none}.dropzone--active{border-color:var(--color-accent);background:#3dd6a814}.dropzone--has-file{border-style:solid;border-color:var(--color-border)}.dropzone__input{position:absolute;width:0;height:0;opacity:0;pointer-events:none}.dropzone__content{text-align:center}.dropzone__prompt{display:block;font-size:1.1rem;font-weight:500;color:var(--color-text)}.dropzone__filename{display:block;font-family:var(--font-mono);font-size:.9rem;color:var(--color-accent);word-break:break-all}.dropzone__meta{display:block;margin-top:.35rem;font-size:.8rem;color:var(--color-text-muted)}.actions{display:flex;flex-wrap:wrap;gap:.6rem}.btn{padding:.6rem 1.1rem;font-size:.9rem;font-weight:500;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:background .15s,opacity .15s}.btn:disabled{opacity:.45;cursor:not-allowed}.btn--primary{background:var(--color-primary);color:#fff}.btn--primary:hover:not(:disabled){background:var(--color-primary-hover)}.btn--secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn--secondary:hover:not(:disabled){border-color:var(--color-primary)}.btn--ghost{background:transparent;color:var(--color-text-muted);border:1px solid var(--color-border)}.btn--ghost:hover:not(:disabled){color:var(--color-text);border-color:var(--color-text-muted)}.status{margin:0;font-size:.85rem;color:var(--color-text-muted);font-family:var(--font-mono)}.error{margin:0;padding:.75rem 1rem;font-size:.85rem;color:var(--color-error);background:var(--color-error-bg);border-radius:var(--radius-sm)}.panel--preview{display:flex;flex-direction:column;min-height:280px}.preview{flex:1;display:flex;align-items:center;justify-content:center;min-height:200px;background:#fff;border-radius:var(--radius-md);overflow:hidden}.preview--empty{background:var(--color-bg-subtle);border:1px dashed var(--color-border)}.preview--empty p{margin:0;padding:1.5rem;font-size:.85rem;color:var(--color-text-dim);text-align:center}.preview__img{max-width:100%;max-height:320px;object-fit:contain}.footer{padding:1rem 2rem 1.5rem;border-top:1px solid var(--color-border)}.footer p{margin:0;max-width:1100px;margin-inline:auto;font-size:.75rem;color:var(--color-text-dim);text-align:center}:root{--font-display: "DM Sans", system-ui, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, monospace;--color-bg: #0f1117;--color-bg-elevated: #181b24;--color-bg-subtle: #1e2230;--color-surface: #252a38;--color-border: #343b4f;--color-border-focus: #5b8def;--color-text: #e8ecf4;--color-text-muted: #8b95ad;--color-text-dim: #5c6578;--color-primary: #4d8fff;--color-primary-hover: #6ba0ff;--color-primary-muted: rgba(77, 143, 255, .15);--color-accent: #3dd6a8;--color-error: #f07178;--color-error-bg: rgba(240, 113, 120, .12);--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--shadow-panel: 0 4px 24px rgba(0, 0, 0, .35)}*,*:before,*:after{box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased}body{margin:0;min-height:100vh;font-family:var(--font-display);background:var(--color-bg);color:var(--color-text);line-height:1.5}#root{min-height:100vh}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit}