:root{--bg: #ffffff;--surface: #f6f8fa;--border: #d0d7de;--text: #1f2328;--muted: #656d76;--accent: #0969da;--success: #1a7f37;--warning: #9a6700;--danger: #cf222e;--sidebar-w: 220px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}input,select,textarea,button{font:inherit}button{cursor:pointer}.app{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);padding:1rem 0;flex-shrink:0}.sidebar h1{font-size:1rem;font-weight:600;margin:0 1rem 1rem;color:var(--text)}.sidebar nav a{display:block;padding:.5rem 1rem;color:var(--muted);border-left:3px solid transparent}.sidebar nav a:hover,.sidebar nav a.active{color:var(--text);background:#0969da14;border-left-color:var(--accent);text-decoration:none}.sidebar-overlay{display:none}.main{flex:1;padding:1.5rem 2rem;overflow:auto;min-width:0}.hamburger{display:none;flex-direction:column;gap:4px;background:none;border:none;padding:6px;cursor:pointer}.hamburger span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px}.user-bar{display:flex;align-items:center;justify-content:flex-end;gap:1rem;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}.user-bar-right{display:flex;align-items:center;gap:.75rem}.user-bar span{color:var(--muted);font-size:.9rem}.user-bar button.btn{padding:.35rem .75rem}.page-title{margin:0 0 1.5rem;font-size:1.5rem;font-weight:600}.card{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:1.25rem;margin-bottom:1rem}.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:.6rem .75rem;border-bottom:1px solid var(--border)}th{font-weight:600;color:var(--muted);font-size:.85rem;white-space:nowrap}tr:hover td{background:#00000008}.btn{display:inline-block;padding:.5rem 1rem;border-radius:6px;border:1px solid var(--border);background:var(--surface);color:var(--text)}.btn:hover{background:var(--border)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-primary:hover{filter:brightness(1.1)}.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn-sm{padding:.25rem .5rem;font-size:.875rem}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.25rem;color:var(--muted);font-size:.9rem}.form-group input,.form-group select,.form-group textarea,.form-control{width:100%;max-width:400px;padding:.5rem .75rem;background:#fff;border:1px solid var(--border);border-radius:6px;color:var(--text)}.form-group textarea{min-height:80px;resize:vertical}.stats{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:1.5rem}.stat{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:1rem 1.25rem;min-width:140px;flex:1 1 140px}.stat .value{font-size:1.5rem;font-weight:600}.stat .label{font-size:.85rem;color:var(--muted)}.badge{display:inline-block;padding:.2rem .5rem;border-radius:4px;font-size:.8rem}.badge-tbc{background:var(--warning);color:#000}.badge-confirmed{background:var(--success);color:#000}.badge-cancelled{background:var(--danger);color:#fff}.error-msg{color:var(--danger);margin-top:.5rem}.alert{padding:.75rem 1rem;border-radius:6px;margin-bottom:1rem}.alert-error{background:#fef2f2;color:var(--danger);border:1px solid #fecaca}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:768px){.sidebar{position:fixed;top:0;left:0;bottom:0;width:260px;z-index:1000;transform:translate(-100%);transition:transform .25s ease;overflow-y:auto}.sidebar.open{transform:translate(0)}.sidebar-overlay{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:999}.hamburger{display:flex;margin-right:auto}.main{padding:1rem}.card{padding:1rem;overflow-x:auto;-webkit-overflow-scrolling:touch}th,td{padding:.5rem;font-size:.85rem}.stats{gap:.5rem}.stat{min-width:0;flex:1 1 calc(50% - .5rem);padding:.75rem}.stat .value{font-size:1.25rem}.form-group input,.form-group select,.form-group textarea,.form-control{max-width:100%!important}h1{font-size:1.25rem}.user-bar{gap:.5rem}.user-bar-right{gap:.5rem;font-size:.85rem}[style*=grid-template-columns]{grid-template-columns:1fr!important}[style*="position: fixed"][style*=inset]{padding:.75rem!important;align-items:flex-start!important}[style*="position: fixed"][style*=inset]>[style*=max-width]{max-width:100%!important}}@media(max-width:480px){.main{padding:.75rem}.stat{flex:1 1 100%}.user-bar-right span{display:none}th,td{padding:.4rem .35rem;font-size:.8rem}}