:root{--bg-app:#09090b;--bg-panel:#121215;--bg-surface:#18181b;--bg-hover:#27272a;--text-primary:#f4f4f5;--text-secondary:#a1a1aa;--text-tertiary:#71717a;--border-subtle:#27272a;--border-strong:#3f3f46;--accent-color:#3b82f6;--accent-glow:#3b82f626;--success-color:#10b981;--error-color:#ef4444;--shadow-sm:0 1px 2px 0 #0006;--shadow-md:0 4px 6px -1px #0006, 0 2px 4px -1px #0000004d;--shadow-lg:0 10px 15px -3px #00000080, 0 4px 6px -2px #0000004d;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-full:9999px;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-normal:.2s cubic-bezier(.4, 0, .2, 1)}[data-theme=light]{--bg-app:#f8fafc;--bg-panel:#fff;--bg-surface:#f1f5f9;--bg-hover:#e2e8f0;--text-primary:#0f172a;--text-secondary:#64748b;--text-tertiary:#94a3b8;--border-subtle:#e2e8f0;--border-strong:#cbd5e1;--accent-glow:#3b82f614;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000000d, 0 2px 4px -1px #00000008;--shadow-lg:0 10px 15px -3px #0000000d, 0 4px 6px -2px #00000005}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-app);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;transition:background-color var(--transition-normal), color var(--transition-normal);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}.app-layout{flex-direction:column;max-width:960px;min-height:100vh;margin:0 auto;padding:2.5rem 1.5rem;display:flex}.app-header{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;margin-bottom:2rem;padding-bottom:1.5rem;display:flex}.brand{align-items:center;gap:.875rem;display:flex}.brand-icon{color:var(--accent-color);justify-content:center;align-items:center;display:flex}.brand-info{flex-direction:column;gap:.125rem;display:flex}.brand-title{letter-spacing:-.02em;font-size:1.25rem;font-weight:700}.brand-subtitle{color:var(--text-secondary);font-size:.8125rem}.controls-group{background:var(--bg-surface);border-radius:var(--radius-full);border:1px solid var(--border-subtle);gap:.25rem;padding:.25rem;display:flex}.icon-btn{color:var(--text-secondary);border-radius:var(--radius-full);cursor:pointer;width:32px;height:32px;transition:var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;display:flex}.icon-btn:hover:not(:disabled){color:var(--text-primary);background:var(--bg-hover)}.icon-btn.active{background:var(--bg-panel);color:var(--text-primary);box-shadow:var(--shadow-sm)}.icon-btn:disabled{opacity:.4;cursor:not-allowed}.main-content{flex-direction:column;flex:1;gap:2rem;display:flex}.input-section{flex-direction:column;gap:1rem;display:flex}.tabs{border-bottom:1px solid var(--border-subtle);gap:1.5rem;display:flex}.tab{color:var(--text-secondary);cursor:pointer;transition:var(--transition-fast);background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:.625rem 0;font-family:inherit;font-size:.9375rem;font-weight:500}.tab:hover{color:var(--text-primary)}.tab.active{color:var(--accent-color);border-bottom-color:var(--accent-color)}.input-container{border-radius:var(--radius-md);background:var(--bg-panel);border:1px solid var(--border-subtle);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);box-shadow:var(--shadow-sm)}.input-container:focus-within{border-color:var(--accent-color);box-shadow:0 0 0 3px var(--accent-glow)}.text-area{width:100%;min-height:140px;color:var(--text-primary);resize:vertical;background:0 0;border:none;padding:1rem;font-family:inherit;font-size:.9375rem;line-height:1.6}.text-area:focus{outline:none}.text-area::placeholder{color:var(--text-tertiary)}.file-dropzone{background:var(--bg-panel);border:1px dashed var(--border-strong);border-radius:var(--radius-md);cursor:pointer;min-height:140px;transition:var(--transition-fast);text-align:center;outline:none;flex-direction:column;justify-content:center;align-items:center;padding:2rem;display:flex}.file-dropzone:hover,.file-dropzone:focus-visible,.file-dropzone.drag-active{border-color:var(--accent-color);background:var(--bg-surface)}.upload-icon{color:var(--text-secondary);justify-content:center;align-items:center;margin-bottom:.5rem;display:flex}.dropzone-title{color:var(--text-primary);margin-bottom:.25rem;font-size:.9375rem;font-weight:500}.sub-text{color:var(--text-tertiary);font-size:.8125rem}.file-active{background:var(--bg-panel);border:1px solid var(--border-subtle);border-radius:var(--radius-md);justify-content:space-between;align-items:center;padding:1rem 1.25rem;display:flex}.file-info{align-items:center;gap:.875rem;display:flex}.file-icon{color:var(--accent-color);align-items:center;display:flex}.file-meta{flex-direction:column;gap:.125rem;display:flex}.file-name{color:var(--text-primary);font-size:.9375rem;font-weight:500}.file-size{color:var(--text-secondary);font-size:.8125rem}.btn-remove{color:var(--text-secondary);cursor:pointer;border-radius:var(--radius-sm);transition:var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;padding:.5rem;display:flex}.btn-remove:hover{background:var(--bg-hover);color:var(--error-color)}.progress-container{flex-direction:column;gap:.375rem;margin-top:.875rem;display:flex}.progress-header{color:var(--text-secondary);justify-content:space-between;font-size:.8125rem;display:flex}.progress-track{background:var(--bg-surface);border-radius:var(--radius-full);height:4px;overflow:hidden}.progress-fill{background:var(--accent-color);width:0%;height:100%;transition:width .1s linear}.hash-section{flex-direction:column;gap:1rem;display:flex}.section-title{color:var(--text-primary);font-size:1rem;font-weight:600}.hash-grid{grid-template-columns:repeat(auto-fill,minmax(380px,1fr));gap:.875rem;display:grid}@media (width<=640px){.hash-grid{grid-template-columns:1fr}}.hash-card{background:var(--bg-panel);border:1px solid var(--border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:border-color var(--transition-fast);flex-direction:column;gap:.75rem;padding:1rem 1.125rem;display:flex}.hash-card:hover{border-color:var(--border-strong)}.hash-header{justify-content:space-between;align-items:flex-start;display:flex}.hash-meta{flex-direction:column;gap:.125rem;display:flex}.hash-name{color:var(--text-primary);font-size:.9375rem;font-weight:600}.hash-description{color:var(--text-tertiary);font-size:.75rem}.hash-badges{align-items:center;gap:.375rem;display:flex}.hash-badge{color:var(--text-secondary);background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);padding:.125rem .375rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.6875rem;font-weight:500}.hash-length{color:var(--text-secondary);font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.75rem}.hash-value-container{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);align-items:center;gap:.5rem;padding:.5rem .625rem;display:flex}.hash-value{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;flex:1;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.8125rem;overflow:hidden}.hash-value.empty{color:var(--text-tertiary);font-style:italic}.btn-copy{border-radius:var(--radius-sm);width:28px;height:28px}.btn-copy.success{color:var(--success-color)}.skeleton{background:linear-gradient(90deg, var(--bg-surface) 25%, var(--bg-hover) 50%, var(--bg-surface) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s infinite shimmer}.skeleton-text{width:100%;height:1.125rem}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.app-footer{border-top:1px solid var(--border-subtle);color:var(--text-secondary);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-top:3rem;padding-top:1.5rem;font-size:.8125rem;display:flex}.footer-links{gap:1rem;display:flex}.footer-link{color:var(--text-secondary);transition:var(--transition-fast);text-decoration:none}.footer-link:hover{color:var(--text-primary)}