:root{--bg:#ffffff;--bg-card:#f9f9fb;--bg-input:#f1f1f4;--bg-hover:#e8e8ed;--border:#d4d4d8;--text:#18181b;--text-muted:#71717a;--accent:#6366f1;--accent-hover:#4f46e5;--success:#16a34a;--error:#dc2626;--warning:#d97706;--radius:8px;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh}.container{max-width:680px;margin:0 auto;padding:48px 20px}header{text-align:center;margin-bottom:36px}header h1{font-size:28px;font-weight:700;margin-bottom:6px}header p{color:var(--text-muted);font-size:15px}.url-list{display:flex;flex-direction:column;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.url-row{padding:10px 16px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--border)}.url-row:last-child{border-bottom:none}.url-input{flex:1 1;background:var(--bg-input);border:1px solid var(--border);border-radius:6px;padding:10px 12px;color:var(--text);font-size:14px;font-family:var(--font);outline:none;transition:border-color .15s}.url-input:focus{border-color:var(--accent)}.url-input:disabled{opacity:.5;cursor:not-allowed}.btn-add{background:none;border:none;color:var(--accent);font-size:14px;cursor:pointer;padding:10px 0;margin-top:4px;transition:color .15s}.btn-add:hover{color:var(--accent-hover)}.btn-remove{background:none;border:none;color:var(--text-muted);font-size:20px;cursor:pointer;padding:4px 8px;border-radius:4px;line-height:1;transition:color .15s,background .15s}.btn-remove:hover{color:var(--error);background:rgba(220,38,38,.08)}.btn-process{display:block;width:100%;margin-top:20px;padding:14px 24px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-size:15px;font-weight:600;cursor:pointer;transition:background .15s,opacity .15s}.btn-process:hover:not(:disabled){background:var(--accent-hover)}.btn-process:disabled{opacity:.4;cursor:not-allowed}.progress-section{margin-top:32px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.progress-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;font-size:14px}.progress-header span:first-child{font-weight:600}.progress-header span:last-child{color:var(--text-muted)}.progress-bar-track{height:8px;background:var(--bg-input);border-radius:4px;overflow:hidden;margin-bottom:20px}.progress-bar-fill{height:100%;background:var(--accent);border-radius:4px;transition:width .3s ease}.progress-items{display:flex;flex-direction:column;gap:10px}.progress-item{display:flex;align-items:center;gap:10px;font-size:13px;padding:8px 10px;background:var(--bg-input);border-radius:6px}.progress-item-icon{font-size:16px;flex-shrink:0;width:22px;text-align:center}.progress-item-label{flex:1 1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}.progress-item-tasks{display:flex;gap:12px;color:var(--text-muted);font-size:12px;flex-shrink:0}.task-status{display:flex;align-items:center;gap:4px}.tab-warning{text-align:center;color:var(--warning);font-size:12px;margin-top:12px;opacity:.8}.results-section{margin-top:32px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.results-header{font-size:16px;font-weight:600;margin-bottom:16px}.results-header.has-errors{color:var(--warning)}.result-item{padding:12px 0;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:8px}.result-item:last-child{border-bottom:none}.result-item-title{font-size:14px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.result-item-downloads{display:flex;gap:10px;flex-wrap:wrap}.btn-download{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:6px;color:var(--accent);font-size:13px;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s}.btn-download:hover{background:var(--bg-hover);border-color:var(--accent)}.result-error{font-size:13px;color:var(--error)}.btn-zip{display:block;width:100%;margin-top:20px;padding:14px 24px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-size:15px;font-weight:600;cursor:pointer;transition:background .15s,border-color .15s}.btn-zip:hover{background:var(--bg-hover);border-color:var(--accent)}.btn-start-over{display:block;text-align:center;margin-top:16px;color:var(--text-muted);font-size:14px;background:none;border:none;cursor:pointer;width:100%;padding:8px;transition:color .15s}.btn-start-over:hover{color:var(--text)}@keyframes spin{to{transform:rotate(1turn)}}.spinner{display:inline-block;animation:spin 1s linear infinite}