*{box-sizing:border-box;margin:0;padding:0}:root{--color-primary: #2563eb;--color-primary-hover: #1d4ed8;--color-primary-light: #dbeafe;--color-secondary: #64748b;--color-secondary-hover: #475569;--color-error: #ef4444;--color-error-light: #fef2f2;--color-success: #22c55e;--color-bg: #f8fafc;--color-surface: #ffffff;--color-border: #e2e8f0;--color-text: #1e293b;--color-text-muted: #64748b;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--transition: .15s ease}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--color-bg);color:var(--color-text);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{padding:24px 16px;text-align:center;background:var(--color-surface);border-bottom:1px solid var(--color-border)}.app-header h1{font-size:1.75rem;font-weight:700;color:var(--color-text);letter-spacing:-.02em}.app-main{flex:1;padding:24px 16px;max-width:640px;margin:0 auto;width:100%}.file-drop-zone{border:2px dashed var(--color-border);border-radius:var(--radius-lg);padding:32px 24px;text-align:center;background:var(--color-surface);transition:border-color var(--transition),background-color var(--transition)}.file-drop-zone.drag-over{border-color:var(--color-primary);background:var(--color-primary-light)}.drop-icon{width:48px;height:48px;color:var(--color-text-muted);margin-bottom:16px}.drop-text{font-size:1rem;color:var(--color-text);margin-bottom:8px}.drop-hint{font-size:.875rem;color:var(--color-text-muted)}.drop-error{color:var(--color-error);font-size:.875rem;margin-top:12px}.file-drop-zone.has-file{border-style:solid;border-color:var(--color-border);padding:16px;text-align:left}.file-info{display:flex;align-items:center;gap:12px;flex:1;min-width:0}.file-icon{width:40px;height:40px;color:var(--color-primary);flex-shrink:0}.file-details{display:flex;flex-direction:column;min-width:0}.file-name{font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-meta{font-size:.875rem;color:var(--color-text-muted)}.transcribe-section{margin-top:20px;text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;font-size:1rem;font-weight:600;border-radius:var(--radius-md);border:none;cursor:pointer;transition:background-color var(--transition),transform var(--transition),opacity var(--transition);white-space:nowrap}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.btn:active:not(:disabled){transform:scale(.98)}.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){background:var(--color-bg);border-color:var(--color-text-muted)}.btn-large{padding:14px 32px;font-size:1.125rem}.progress-container{margin-top:20px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:16px}.progress-top{margin-bottom:12px}.progress-bar-wrapper{height:8px;background:var(--color-border);border-radius:4px;overflow:hidden}.progress-bar{height:100%;background:var(--color-primary);border-radius:4px;transition:width .3s ease}.progress-bar.complete{background:var(--color-success)}.progress-transcribing{margin-bottom:16px;text-align:center}.progress-transcribing-main{font-size:1rem;font-weight:600;color:var(--color-text);margin-bottom:2px}.progress-transcribing-pct{font-size:1.75rem;font-weight:700;color:var(--color-primary);margin:4px 0;font-variant-numeric:tabular-nums}.progress-transcribing-segment{font-size:.875rem;color:var(--color-text-muted);margin-bottom:4px}.progress-times{display:flex;flex-direction:column;gap:2px;font-size:.8rem;color:var(--color-text-muted);font-variant-numeric:tabular-nums}.progress-times-estimating{font-style:italic}.progress-error-msg{font-size:.875rem;color:var(--color-error);margin-bottom:12px;line-height:1.4;text-align:center}.progress-steps{display:flex;flex-direction:column;gap:6px}.progress-step{display:flex;align-items:center;gap:8px;font-size:.875rem;padding:4px 0}.progress-step--done{color:var(--color-success)}.progress-step--current{color:var(--color-text);font-weight:600}.progress-step--pending{color:var(--color-text-muted);opacity:.6}.progress-step-icon{width:18px;text-align:center;flex-shrink:0;font-size:.8rem}.progress-step--done .progress-step-icon{font-weight:700}.progress-step-label{line-height:1.3}.progress-step-device{font-size:.75rem;font-weight:400;color:var(--color-text-muted);margin-left:4px}.transcription-result{margin-top:24px}.result-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;flex-wrap:wrap;gap:12px}.result-header h2{font-size:1.125rem;font-weight:600}.result-actions{display:flex;gap:8px}.result-textarea{width:100%;padding:16px;font-family:inherit;font-size:1rem;line-height:1.6;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-text);resize:vertical;min-height:200px;outline:none;transition:border-color var(--transition),box-shadow var(--transition)}.result-textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-light)}.result-textarea::placeholder{color:var(--color-text-muted)}.privacy-notice{margin-top:24px;padding:16px;font-size:.875rem;color:var(--color-text-muted);text-align:center;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md)}@media (max-width: 480px){.app-header{padding:16px}.app-header h1{font-size:1.5rem}.app-main{padding:16px}.file-drop-zone{padding:24px 16px}.file-drop-zone.has-file{padding:12px}.btn-large{width:100%}.result-header{flex-direction:column;align-items:stretch}.result-actions{justify-content:stretch}.result-actions .btn{flex:1}}