:root{--bg: #f4f6f9;--panel: #ffffff;--border: #dce1e8;--text: #1f2a37;--muted: #6b7280;--primary: #0d6efd;--primary-dark: #0b5ed7;--danger: #dc3545;--success: #198754;--shadow: 0 1px 3px rgba(0, 0, 0, .08)}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:var(--primary);text-decoration:none}button{font:inherit;cursor:pointer;border:1px solid var(--border);background:#fff;border-radius:6px;padding:7px 14px;transition:background .15s,border-color .15s}button:hover{background:#f0f2f5}button.primary{background:var(--primary);border-color:var(--primary);color:#fff}button.primary:hover{background:var(--primary-dark)}button.danger{background:#fff;border-color:var(--danger);color:var(--danger)}button.danger:hover{background:var(--danger);color:#fff}button:disabled{opacity:.5;cursor:not-allowed}button.sm{padding:4px 9px;font-size:12.5px}button.icon-btn{width:28px;height:26px;padding:0;display:inline-flex;align-items:center;justify-content:center;font-size:13px;line-height:1}button.link{border:none;background:none;color:var(--primary);padding:2px 4px}input,select,textarea{font:inherit;padding:8px 10px;border:1px solid var(--border);border-radius:6px;background:#fff;width:100%}input:focus,select:focus,textarea:focus{outline:2px solid #b6d4fe;border-color:var(--primary)}label{display:block;font-weight:600;margin-bottom:4px;font-size:13px}.field{margin-bottom:14px}.muted{color:var(--muted)}.error{color:var(--danger)}.row{display:flex;gap:10px;align-items:center}.spacer{flex:1}.tag{font-size:11px;padding:2px 7px;border-radius:10px;background:#eef2f7;color:var(--muted)}.app{min-height:100vh;display:flex;flex-direction:column}.topbar{background:#0f2942;color:#fff;padding:0 20px;height:54px;display:flex;align-items:center;gap:22px}.topbar .brand{font-weight:700;font-size:16px}.topbar nav{display:flex;gap:4px}.topbar nav a{color:#cdd8e4;padding:8px 12px;border-radius:6px;font-weight:500}.topbar nav a.active,.topbar nav a:hover{background:#ffffff1f;color:#fff}.topbar .user{color:#cdd8e4;font-size:13px}.content{padding:22px;max-width:1300px;margin:0 auto;width:100%}.panel{background:var(--panel);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow)}.panel-h{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px}.panel-h h2{margin:0;font-size:16px}.panel-b{padding:18px}h1{font-size:20px;margin:0 0 18px}.table-wrap{overflow:auto;max-height:65vh}table.grid{border-collapse:collapse;width:100%;white-space:nowrap}table.grid th,table.grid td{border:1px solid var(--border);padding:7px 10px;text-align:left}table.grid thead th{background:#eef2f7;position:sticky;top:0;font-size:12.5px}table.grid thead tr.sections th{background:#dde6f0;text-align:center;color:#33475b}table.grid tbody tr:nth-child(2n){background:#fafbfc}table.grid tbody tr:hover{background:#f0f6ff}.cell-empty{color:#c3c9d1}table.grid td input,table.grid td select,table.grid td textarea{white-space:normal;padding:3px 6px;font-size:13px;min-height:unset}table.grid td textarea{min-width:130px}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}.card{background:#fff;border:1px solid var(--border);border-radius:8px;padding:16px;box-shadow:var(--shadow)}.card h3{margin:0 0 6px;font-size:15px}.card.card-new{display:flex;background:transparent;box-shadow:none;border:2px dashed var(--border);padding:0;transition:border-color .15s}.card.card-new:hover{border-color:var(--primary);background:#eef5ff}.card-new-add{flex:1;border:none;background:transparent;border-radius:8px;padding:0;min-height:110px;display:flex;align-items:center;justify-content:center}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f192873;display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;z-index:50;overflow-y:auto}.modal{background:#fff;border-radius:10px;width:100%;max-width:640px;box-shadow:0 10px 40px #00000040}.modal.wide{max-width:860px}.modal-h{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center}.modal-h h2{margin:0;font-size:17px}.modal-b{padding:20px;max-height:68vh;overflow-y:auto}.modal-f{padding:14px 20px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:flex-end}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:#0f2942}.login-card{background:#fff;padding:34px;border-radius:12px;width:340px;box-shadow:0 12px 40px #0000004d}.login-card h1{text-align:center}.switch{position:relative;display:inline-block;width:44px;height:24px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;top:0;right:0;bottom:0;left:0;background:#ccc;border-radius:24px;transition:.2s}.slider:before{content:"";position:absolute;height:18px;width:18px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:.2s}.switch input:checked+.slider{background:var(--success)}.switch input:checked+.slider:before{transform:translate(20px)}.toast{position:fixed;bottom:22px;right:22px;background:#1f2a37;color:#fff;padding:12px 18px;border-radius:8px;box-shadow:0 4px 16px #0000004d;z-index:100}.toast.error{background:var(--danger)}.toast.success{background:var(--success)}.drag-handle{cursor:grab;color:var(--muted);font-size:15px;-webkit-user-select:none;user-select:none}.drag-handle:active{cursor:grabbing}.palette{display:flex;flex-wrap:wrap;gap:22px}.palette-group-label{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-bottom:6px}.palette-chips{display:flex;flex-wrap:wrap;gap:8px}.chip{display:flex;flex-direction:column;align-items:center;justify-content:center;width:78px;height:60px;gap:4px;text-align:center;border:1px solid var(--border);background:#fff;border-radius:10px;padding:6px;font-size:11px;cursor:grab;-webkit-user-select:none;user-select:none;box-shadow:var(--shadow);transition:border-color .15s,background .15s}.chip:hover{border-color:var(--primary);background:#eef5ff}.chip:active{cursor:grabbing}.builder-board{display:flex;gap:12px;overflow-x:auto;align-items:flex-start;padding-bottom:10px;margin-bottom:14px}.b-section{background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);flex:0 0 250px;width:250px}.b-section.dragging{opacity:.5;outline:2px dashed var(--primary)}.b-section-new{background:transparent;box-shadow:none;border:2px dashed var(--border);min-height:90px;display:flex;align-items:stretch;transition:border-color .15s}.b-section-new:hover{border-color:var(--primary)}.b-section-add{flex:1;border:none;background:transparent;border-radius:8px;padding:0;display:flex;align-items:center;justify-content:center}.b-section-add:hover{background:#eef5ff}.b-section-new input{flex:1;align-self:center;margin:14px}.b-sec-h{display:flex;align-items:center;gap:6px;padding:10px 12px;border-bottom:1px solid var(--border);background:#f8fafc;border-radius:10px 10px 0 0;cursor:grab}.b-sec-h:active{cursor:grabbing}.b-sec-h strong{font-size:13px}.b-cols{padding:10px;display:flex;flex-direction:column;gap:8px;min-height:70px}.b-cols-hint{color:var(--muted);font-size:12.5px;text-align:center;padding:8px 0}.col-card{width:100%;border:1px solid var(--border);border-radius:8px;padding:8px 10px;background:#fff;cursor:grab;box-shadow:var(--shadow)}.col-idx{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 4px;margin-right:6px;border-radius:9px;background:var(--primary);color:#fff;font-size:10.5px;font-weight:700;vertical-align:middle}.col-card:hover{border-color:#b6c4d8}.col-card:active{cursor:grabbing}.col-card.dragging{opacity:.4;outline:2px dashed var(--primary);background:#e7f1ff}.col-card-name{font-weight:600;margin-bottom:2px;word-break:break-word}.col-card-name span{word-break:break-word}.col-card-type{font-size:12px;margin-bottom:6px}.dropzone{display:none;border:2px dashed var(--border);border-radius:8px;color:var(--muted);font-size:12px;align-items:center;justify-content:center;padding:10px;width:100%}.builder-page.drag-col .dropzone,.builder-page.drag-new .dropzone{display:flex}.builder-page.drag-new .b-section{outline:1px dashed #b6d4fe}textarea{resize:vertical;min-height:38px}input.invalid{border-color:var(--danger);outline:2px solid #f8d7da}.grid-form .field.span-2{grid-column:1 / -1}@keyframes spin{to{transform:rotate(360deg)}}.spin{animation:spin .9s linear infinite}.thumb{height:34px;border-radius:4px;border:1px solid var(--border);display:block}.thumb-lg{height:64px}.file-name{word-break:break-all}.file-pick{display:inline-block;border:1.5px dashed var(--border);border-radius:6px;padding:8px 14px;cursor:pointer;color:var(--muted);background:#fafbfc;font-size:13px;font-weight:400;transition:border-color .15s,color .15s}.file-pick:hover{border-color:var(--primary);color:var(--primary)}.file-pick.busy{opacity:.6;cursor:wait}.file-pick input[type=file]{display:none}.grid-form{display:grid;grid-template-columns:1fr 1fr;gap:4px 18px}@media (max-width: 640px){.grid-form{grid-template-columns:1fr}}.section-title{grid-column:1 / -1;font-weight:700;color:#33475b;border-bottom:2px solid var(--border);padding:10px 0 4px;margin-top:8px}.empty-state{text-align:center;padding:40px;color:var(--muted)}