:root{--bg: #0f1117;--surface: #1a1d27;--border: #2a2d3a;--text: #e1e4ed;--text-muted: #8b8fa3;--accent: #6366f1;--accent-hover: #818cf8;--danger: #ef4444;--success: #22c55e;--radius: 8px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.app-layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--surface);border-right:1px solid var(--border);padding:20px 0;position:fixed;top:0;bottom:0;overflow-y:auto}.sidebar-title{font-size:18px;font-weight:700;padding:0 20px 16px;border-bottom:1px solid var(--border);margin-bottom:8px}.nav-link{display:block;padding:8px 20px;color:var(--text-muted);text-decoration:none;font-size:14px;transition:background .15s,color .15s}.nav-link:hover{background:var(--border);color:var(--text)}.nav-link.active{color:var(--accent);background:#6366f114}.nav-children{padding-left:0}.nav-link-child{padding-left:36px;font-size:13px;opacity:.85}.nav-link-child.active{opacity:1}.step-tooltip-trigger{position:relative;display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;margin-left:6px;border-radius:50%;background:#ffffff1a;color:var(--text-muted);font-size:11px;font-weight:600;cursor:help;flex-shrink:0}.step-tooltip-trigger:hover{background:#6366f140;color:var(--text)}.step-tooltip{position:fixed;z-index:9999;width:280px;padding:10px 12px;background:#1e1e2e;border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 24px #0009;font-size:13px;font-weight:400;line-height:1.5;color:#e0e0e0;white-space:normal;pointer-events:none}.sign-out-btn{display:block;width:calc(100% - 40px);margin:auto 20px 20px;padding:8px;background:none;border:1px solid var(--border);border-radius:var(--radius);color:var(--text-muted);font-size:13px;cursor:pointer;transition:background .15s,color .15s;position:absolute;bottom:0;left:0}.sign-out-btn:hover{background:var(--border);color:var(--text)}.main-content{margin-left:220px;flex:1;padding:32px;max-width:1200px}.top-bar{display:flex;justify-content:flex-end;align-items:center;margin-bottom:16px}.user-greeting{font-size:13px;color:var(--text-muted)}h2{font-size:24px;font-weight:600;margin-bottom:16px}h3{font-size:16px;font-weight:600;margin-bottom:8px}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-decoration:none;color:var(--text);transition:border-color .15s}.card:hover{border-color:var(--accent)}.card p{color:var(--text-muted);font-size:14px;margin-top:4px}.btn{display:inline-block;padding:8px 16px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-size:14px;cursor:pointer;text-decoration:none;margin-top:12px;transition:background .15s}.btn:hover{background:var(--accent-hover)}.data-table{width:100%;border-collapse:collapse;font-size:14px}.data-table th{text-align:left;padding:10px 12px;border-bottom:2px solid var(--border);color:var(--text-muted);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.5px}.data-table td{padding:10px 12px;border-bottom:1px solid var(--border)}.data-table tr.clickable{cursor:pointer}.data-table tr.clickable:hover{background:#6366f10a}.loading,.empty-state{color:var(--text-muted);padding:40px 0;text-align:center}.error{color:var(--danger);padding:16px;background:#ef44441a;border-radius:var(--radius)}.input{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);padding:8px 12px;font-size:14px;width:100%;outline:none;transition:border-color .15s}.input:focus{border-color:var(--accent)}.input-sm{padding:4px 8px;font-size:13px}select.input{cursor:pointer}.form-row{display:flex;gap:16px}.form-row>label{flex:1;display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--text-muted)}.text-muted{color:var(--text-muted);font-size:13px}code{background:var(--border);padding:1px 6px;border-radius:4px;font-size:12px}.hint{background:#6366f10f;border-radius:var(--radius);padding:12px;font-size:13px;color:var(--text-muted);margin-top:12px}.success-msg{color:var(--success);padding:16px;background:#22c55e1a;border-radius:var(--radius);margin-bottom:12px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-sm{padding:4px 10px;font-size:12px;margin-top:0}.btn-danger{background:var(--danger);color:#fff;border:none;border-radius:4px;cursor:pointer;padding:2px 6px;font-size:12px}.builder{max-width:900px}.builder-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:16px;flex-wrap:wrap}.builder-header-actions{display:flex;gap:8px;align-items:center}.builder-step{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}.builder-step.complete{border-color:#22c55e4d}.step-header{display:flex;align-items:center;gap:12px;padding:14px 16px;width:100%;background:none;border:none;color:var(--text);cursor:pointer;font-size:14px;text-align:left;transition:background .15s}.step-header:hover{background:#ffffff05}.step-badge{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;background:var(--border);color:var(--text-muted);flex-shrink:0}.step-badge.done{background:var(--success);color:#fff}.step-title{flex:1;font-weight:600}.step-chevron{color:var(--text-muted);font-size:10px}.step-body{padding:0 16px 16px}.timeline{margin-bottom:16px}.timeline-label{font-size:12px;color:var(--text-muted);margin-bottom:8px}.timeline-strip{display:flex;gap:8px;overflow-x:auto;padding:8px;background:var(--bg);border-radius:var(--radius)}.timeline-item{flex-shrink:0;width:100px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden;position:relative}.timeline-pos{position:absolute;top:-4px;left:-4px;width:22px;height:22px;border-radius:50%;background:var(--accent);color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;z-index:1}.timeline-thumb{width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--bg);cursor:pointer}.timeline-thumb:hover{opacity:.8}.timeline-thumb img{width:100%;height:100%;object-fit:cover}.thumb-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:20px}.timeline-actions{display:flex;justify-content:center;gap:2px;padding:4px}.timeline-actions button{background:var(--border);border:none;color:var(--text-muted);cursor:pointer;border-radius:3px;padding:2px 6px;font-size:11px}.timeline-actions button:hover:not(:disabled){background:var(--accent);color:#fff}.timeline-actions button:disabled{opacity:.3;cursor:not-allowed}.clip-picker-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.clip-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px;max-height:280px;overflow-y:auto;padding:8px;background:var(--bg);border-radius:var(--radius)}.clip-card{background:var(--surface);border:1px solid transparent;border-radius:var(--radius);cursor:pointer;overflow:hidden;text-align:left;color:var(--text);transition:border-color .15s}.clip-card:hover{border-color:var(--accent)}.clip-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg);display:flex;align-items:center;justify-content:center;position:relative;cursor:pointer}.clip-thumb img{width:100%;height:100%;object-fit:cover}.clip-card{cursor:pointer}.clip-preview-btn{position:absolute;bottom:4px;right:4px;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#0009;border:none;color:#fff;font-size:10px;cursor:pointer;opacity:0;transition:opacity .15s}.clip-thumb:hover .clip-preview-btn{opacity:1}.clip-name{padding:4px 6px;font-size:10px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}.upload-dropzone{margin-top:16px;border:2px dashed var(--border);border-radius:var(--radius);padding:20px;text-align:center;transition:border-color .2s,background .2s}.upload-dropzone.drag-over{border-color:var(--accent);background:#6366f114}.upload-dropzone-content{display:flex;align-items:center;justify-content:center;gap:8px;font-size:13px;color:var(--text-muted)}.upload-icon{font-size:20px}.upload-browse-btn{color:var(--accent);cursor:pointer;font-weight:600;font-size:13px;transition:color .15s}.upload-browse-btn:hover{color:var(--accent-hover)}.upload-list{display:flex;flex-direction:column;gap:6px;margin-top:12px}.upload-item{display:flex;align-items:center;gap:10px;padding:6px 10px;background:var(--bg);border-radius:var(--radius);font-size:12px}.upload-item-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text)}.upload-progress-bar{width:80px;height:4px;background:var(--border);border-radius:2px;overflow:hidden;flex-shrink:0}.upload-progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .3s ease}.upload-status-icon{color:var(--success);font-weight:700}.upload-status-error{color:var(--danger);font-weight:700;cursor:help}.data-preview{margin-top:16px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.data-preview-header{padding:8px 12px;background:var(--border);font-size:13px;font-weight:500}.data-preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr))}.data-preview-item{padding:8px 12px;border-bottom:1px solid var(--border);border-right:1px solid var(--border);overflow:hidden}.data-key{display:block;font-size:11px;color:var(--text-muted);font-family:monospace;word-break:break-all}.data-val{font-size:13px;font-weight:500;word-wrap:break-word;overflow-wrap:break-word}.variant-tabs{display:flex;gap:4px;margin-bottom:12px;align-items:center;flex-wrap:wrap}.variant-tab-group{display:flex;align-items:center}.variant-tab{padding:6px 14px;border:none;border-radius:var(--radius) var(--radius) 0 0;background:var(--border);color:var(--text-muted);cursor:pointer;font-size:13px}.variant-tab.active{background:var(--accent);color:#fff}.variant-remove{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:14px;padding:0 4px}.variant-remove:hover{color:var(--danger)}.script-lines{display:flex;flex-direction:column;gap:10px}.script-line{display:flex;align-items:flex-start;gap:8px}.script-line-num{width:24px;padding-top:10px;font-size:12px;font-family:monospace;color:var(--text-muted);text-align:right;flex-shrink:0}.script-line-thumb{width:50px;flex-shrink:0}.script-line-thumb img{width:50px;height:38px;object-fit:cover;border-radius:4px}.thumb-placeholder-sm{width:50px;height:38px;background:var(--border);border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:14px}.script-line-input{flex:1}.script-line-preview{font-size:12px;color:var(--text-muted);padding:2px 0}.char-count{margin-left:8px;font-size:10px}.dur-badge{margin-left:6px;background:#22c55e26;color:var(--success);padding:1px 6px;border-radius:4px;font-size:10px}.preview-list{display:flex;flex-direction:column;gap:6px}.preview-row{display:flex;align-items:center;gap:12px;padding:10px;background:var(--bg);border-radius:var(--radius)}.preview-num{font-size:13px;font-family:monospace;width:24px;color:var(--text-muted);flex-shrink:0}.preview-thumb{width:112px;height:200px;flex-shrink:0;position:relative;overflow:hidden;border-radius:6px;background:var(--bg);cursor:pointer;border:1px solid transparent;transition:border-color .2s}.preview-thumb:hover{border-color:#6366f166}.preview-thumb img,.preview-thumb video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.preview-thumb video{opacity:0;transition:opacity .2s}.preview-thumb:hover video{opacity:1}.preview-text{flex:1;font-size:18px}.preview-meta{font-size:14px;color:var(--text-muted);margin-top:4px}.exports-section{margin-bottom:32px}.campaign-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:8px;overflow:hidden}.campaign-card-header{display:flex;align-items:center;gap:12px;padding:12px 16px;width:100%;background:none;border:none;color:var(--text);cursor:pointer;font-size:14px;text-align:left;transition:background .15s}.campaign-card-header:hover{background:#ffffff05}.campaign-card-chevron{color:var(--text-muted);font-size:12px;width:16px;flex-shrink:0}.campaign-card-name{font-weight:600}.campaign-card-body{padding:0 16px 16px}.status-badge{display:inline-block;padding:2px 10px;border-radius:12px;font-size:12px;font-weight:500;background:var(--border);color:var(--text-muted)}.status-queued,.status-pending{background:#6366f126;color:var(--accent)}.status-processing,.status-rendering{background:#eab30826;color:#eab308}.status-completed,.status-done{background:#22c55e26;color:var(--success)}.status-failed,.status-error{background:#ef444426;color:var(--danger)}.stats-grid{display:flex;gap:12px;flex-wrap:wrap}.stat-card{flex:1;min-width:100px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;text-align:center}.stat-value{font-size:28px;font-weight:700;line-height:1.1}.stat-label{font-size:12px;color:var(--text-muted);margin-top:4px;text-transform:uppercase;letter-spacing:.5px}.stat-done .stat-value{color:var(--success)}.stat-processing .stat-value{color:#eab308}.stat-queued .stat-value{color:var(--accent)}.stat-failed .stat-value{color:var(--danger)}.progress-bar{width:100%;height:8px;background:var(--border);border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:var(--success);border-radius:4px;transition:width .4s ease}.autocomplete-dropdown{z-index:9999;max-height:240px;overflow-y:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 24px #00000059}.autocomplete-item{display:block;width:100%;padding:8px 12px;text-align:left;background:none;border:none;color:var(--text);font-size:14px;cursor:pointer}.autocomplete-item:hover{background:#6366f11f}.autocomplete-item.text-muted{cursor:default;color:var(--text-muted);font-size:13px}.advertiser-selected{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:6px 10px;font-size:14px;color:var(--text)}.video-preview-overlay{position:fixed;inset:0;z-index:10000;background:#000000d9;display:flex;align-items:center;justify-content:center;animation:fadeIn .15s ease}.video-preview-modal{position:relative;max-width:560px;width:90vw;background:#111;border-radius:var(--radius);overflow:hidden}.video-preview-modal video{width:100%;max-height:60vh;display:block;background:#000}.video-preview-close{position:absolute;top:-36px;right:0;background:none;border:none;color:#fff;font-size:28px;cursor:pointer;line-height:1;opacity:.7;transition:opacity .15s}.video-preview-close:hover{opacity:1}.video-preview-label{text-align:center;color:var(--text-muted);font-size:12px;margin-top:8px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.script-input-row{display:flex;align-items:center;gap:6px}.script-input-row .input{flex:1}.placeholder-dropdown-wrap{position:relative;flex-shrink:0}.btn-placeholder-insert{background:var(--border);border:1px solid transparent;border-radius:var(--radius);color:var(--text-muted);cursor:pointer;font-size:12px;font-family:monospace;padding:6px 8px;line-height:1;white-space:nowrap;transition:background .15s,color .15s}.btn-placeholder-insert:hover{background:var(--accent);color:#fff}.placeholder-dropdown{position:absolute;right:0;top:calc(100% + 4px);z-index:500;min-width:220px;max-height:240px;overflow-y:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 24px #00000059;animation:fadeIn .1s ease}.placeholder-dropdown-title{padding:6px 10px;font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);border-bottom:1px solid var(--border)}.placeholder-dropdown-item{display:flex;justify-content:space-between;gap:12px;width:100%;padding:7px 10px;text-align:left;background:none;border:none;color:var(--text);font-size:13px;cursor:pointer}.placeholder-dropdown-item:hover{background:#6366f11f}.placeholder-field{font-family:monospace;font-size:12px;color:var(--accent)}.placeholder-value{font-size:11px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:120px}.sortable-th{cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap}.sortable-th:hover{color:var(--accent)}.status-filter-group{display:flex;gap:4px;flex-wrap:wrap}.status-filter-btn{text-transform:capitalize;background:transparent;color:var(--text-muted);border:1px solid var(--border)}.status-filter-btn:hover{background:#6366f11f;color:var(--text)}.status-filter-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.status-filter-count{display:inline-block;margin-left:4px;padding:0 5px;font-size:11px;line-height:16px;border-radius:8px;background:#ffffff26}.status-filter-btn:not(.active) .status-filter-count{background:#ffffff14}