:root{--bg: #f0f2f5;--surface: #ffffff;--surface-elevated: #fafbfc;--border: #e1e4ea;--border-strong: #c8ced8;--text: #141824;--text-muted: #5f6673;--text-subtle: #8b929e;--accent: #0d5c4d;--accent-hover: #0a4a3f;--accent-muted: rgba(13, 92, 77, .1);--danger: #b42318;--radius: 10px;--radius-sm: 6px;--shadow: 0 1px 2px rgba(20, 24, 36, .06);--shadow-md: 0 4px 24px rgba(20, 24, 36, .08);--font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:var(--font);font-size:14px;line-height:1.5;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}.app{min-height:100vh;display:flex;flex-direction:column}.app-toast{position:fixed;bottom:28px;left:50%;transform:translate(-50%);z-index:9999;padding:12px 20px;border-radius:var(--radius-sm);background:var(--text);color:#fff;font-size:13px;font-weight:600;box-shadow:var(--shadow-md);animation:toast-in .2s ease-out}@keyframes toast-in{0%{opacity:0;transform:translate(-50%) translateY(8px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.app-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow)}.brand{display:flex;flex-direction:column;gap:2px}.brand-title{font-size:17px;font-weight:650;letter-spacing:-.02em;color:var(--text)}.top-nav{display:flex;align-items:center;gap:8px}.app-body{flex:1;display:grid;grid-template-columns:280px 1fr;max-width:1280px;width:100%;margin:0 auto;min-height:0}@media(max-width:840px){.app-body{grid-template-columns:1fr}}.sidebar{border-right:1px solid var(--border);background:var(--surface);padding:20px 16px;display:flex;flex-direction:column;gap:16px}@media(max-width:840px){.sidebar{border-right:none;border-bottom:1px solid var(--border)}}.sidebar-head{display:flex;flex-direction:column;gap:4px}.sidebar-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-subtle)}.sidebar-hint{font-size:12px;color:var(--text-muted)}.case-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;overflow-y:auto;flex:1;min-height:120px}.case-item{width:100%;text-align:left;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-elevated);cursor:pointer;font-family:inherit;transition:border-color .15s,background .15s}.case-item:hover{border-color:var(--border-strong);background:var(--surface)}.case-item.selected{border-color:var(--accent);background:var(--accent-muted);box-shadow:inset 0 0 0 1px #0d5c4d26}.case-item-title{font-size:13px;font-weight:600;color:var(--text);display:block}.case-item-meta{font-size:11px;color:var(--text-muted);margin-top:2px;font-family:var(--mono)}.main{padding:24px 28px 40px;overflow-y:auto}.workflow-steps{display:flex;flex-wrap:wrap;gap:8px 20px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--border)}.step{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-muted)}.step-num{width:22px;height:22px;border-radius:50%;background:var(--border);color:var(--text-muted);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700}.step.active .step-num{background:var(--accent);color:#fff}.step.active{color:var(--text);font-weight:600}.step.done .step-num{background:var(--accent-muted);color:var(--accent)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 22px;margin-bottom:20px}.card-title{font-size:15px;font-weight:650;margin:0 0 4px;letter-spacing:-.01em}.card-desc{font-size:13px;color:var(--text-muted);margin:0 0 16px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field:last-child{margin-bottom:0}.label{font-size:12px;font-weight:600;color:var(--text)}.hint{font-size:12px;color:var(--text-muted)}.input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;font-family:var(--mono);color:var(--text);background:var(--surface)}.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-muted)}.input-row{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}.input-row .field{flex:1;min-width:200px;margin-bottom:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;font-size:13px;font-weight:600;font-family:inherit;border-radius:var(--radius-sm);border:1px solid var(--border-strong);background:var(--surface);color:var(--text);cursor:pointer;white-space:nowrap}.btn:hover{background:var(--surface-elevated)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}.btn-ghost{border-color:transparent;background:transparent;color:var(--text-muted)}.btn-ghost:hover:not(:disabled){background:var(--bg);color:var(--text)}.btn-block{width:100%}.toolbar{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.audio-wrap{margin-bottom:18px}.audio-wrap audio{width:100%;height:40px;border-radius:var(--radius-sm)}.transcript-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.transcript-row{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:start;padding:10px 12px;background:var(--surface-elevated);border:1px solid var(--border);border-radius:var(--radius-sm)}@media(max-width:640px){.transcript-row{grid-template-columns:1fr}}.time-btn{font-family:var(--mono);font-size:11px;padding:6px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);cursor:pointer;color:var(--accent);font-weight:600}.time-btn:hover{border-color:var(--accent);background:var(--accent-muted)}.transcript-input{width:100%;min-height:44px;padding:8px 10px;border:1px solid transparent;border-radius:var(--radius-sm);font-size:13px;font-family:inherit;resize:vertical;background:transparent}.transcript-input:focus{outline:none;border-color:var(--border-strong);background:var(--surface)}.save-btn{padding:6px 12px;font-size:12px}.empty-state{text-align:center;padding:32px 16px;color:var(--text-muted);font-size:13px;border:1px dashed var(--border);border-radius:var(--radius-sm);background:var(--surface-elevated)}.report-grid{display:grid;gap:16px}.report-section h4{margin:0 0 8px;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-subtle)}.report-section ul{margin:0;padding-left:18px;color:var(--text);font-size:13px}.report-body{font-size:13px;line-height:1.55;color:var(--text);white-space:pre-wrap;padding:12px;background:var(--surface-elevated);border-radius:var(--radius-sm);border:1px solid var(--border)}.markdown-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media(max-width:900px){.markdown-grid{grid-template-columns:1fr}}.markdown-editor{min-height:320px;width:100%;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);padding:12px;font-size:13px;line-height:1.55;color:var(--text);resize:vertical;font-family:var(--mono)}.markdown-editor:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-muted)}.markdown-preview :is(h1,h2,h3,h4){margin:.2em 0 .55em}.markdown-preview p{margin:.45em 0}.markdown-preview ul,.markdown-preview ol{margin:.45em 0;padding-left:18px}.banner{padding:10px 14px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:16px}.banner-error{background:#fef2f2;border:1px solid #fecaca;color:var(--danger)}.dropzone{border:2px dashed var(--border-strong);border-radius:var(--radius);padding:28px 20px;text-align:center;background:var(--surface-elevated);transition:border-color .15s,background .15s;cursor:pointer}.dropzone:hover,.dropzone:focus-within{border-color:var(--accent);background:var(--accent-muted)}.dropzone.drag-active{border-color:var(--accent);background:var(--accent-muted);box-shadow:inset 0 0 0 1px #0d5c4d33}.dropzone-title{font-size:14px;font-weight:600;color:var(--text);margin:0 0 6px}.dropzone-hint{font-size:13px;color:var(--text-muted);margin:0 0 14px}.dropzone-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;align-items:center}.file-pill{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:var(--surface);border:1px solid var(--border);font-size:12px;max-width:100%}.file-pill-name{font-family:var(--mono);font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:280px}.divider-label{display:flex;align-items:center;gap:12px;margin:18px 0 12px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-subtle)}.divider-label:before,.divider-label:after{content:"";flex:1;height:1px;background:var(--border)}.advanced{margin-top:12px;padding-top:12px;border-top:1px solid var(--border)}.advanced summary{font-size:12px;font-weight:600;color:var(--text-muted);cursor:pointer}.advanced .field{margin-top:12px}.auth-tabs{display:flex;gap:0;padding:4px;background:var(--bg);border-radius:var(--radius-sm);border:1px solid var(--border)}.auth-tab{flex:1;border:none;background:transparent;padding:10px 14px;font-size:13px;font-weight:600;font-family:inherit;color:var(--text-muted);border-radius:4px;cursor:pointer}.auth-tab:hover{color:var(--text)}.auth-tab-active{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}