:root{--bg-page:#f8fafc;--bg-card:#fff;--border-color:#e2e8f0;--border-focus:#6366f1;--primary:#4f46e5;--primary-hover:#4338ca;--primary-light:#eef2ff;--accent-emerald:#059669;--accent-emerald-light:#ecfdf5;--accent-rose:#e11d48;--accent-rose-light:#fff1f2;--text-main:#0f172a;--text-muted:#475569;--text-dim:#94a3b8;--font-heading:"Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-body:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-full:9999px;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-card:0 4px 6px -1px #00000012, 0 2px 4px -1px #0000000a;--shadow-md:0 10px 15px -3px #00000014, 0 4px 6px -2px #0000000a}*,:before,:after{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}html{-webkit-text-size-adjust:100%;font-size:16px}body{font-family:var(--font-body);background:var(--bg-page);color:var(--text-main);background-image:linear-gradient(#eef2ff 0%,#f8fafc 260px);background-repeat:no-repeat;min-height:100dvh;line-height:1.5;overflow-x:hidden}.page-container{width:100%;max-width:960px;padding:clamp(1rem,3vw,2rem) clamp(1rem,4vw,1.5rem);padding-top:max(clamp(1rem, 3vw, 2rem), env(safe-area-inset-top));padding-bottom:max(2.5rem, env(safe-area-inset-bottom));flex-direction:column;min-height:100dvh;margin:0 auto;display:flex}.page-narrow{max-width:480px}.page-header{border-bottom:1px solid var(--border-color);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.5rem;padding-bottom:1rem;display:flex}.header-brand{align-items:center;gap:.75rem;min-width:0;display:flex}.brand-icon{border-radius:var(--radius-md);background:linear-gradient(135deg, var(--primary), #0284c7);color:#fff;flex-shrink:0;justify-content:center;align-items:center;width:42px;height:42px;font-size:1.15rem;font-weight:800;display:flex;box-shadow:0 4px 10px #4f46e540}.brand-name{font-family:var(--font-heading);white-space:nowrap;text-overflow:ellipsis;font-size:1.25rem;font-weight:700;overflow:hidden}.brand-sub{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:.8rem;overflow:hidden}.header-actions{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.badge{border-radius:var(--radius-full);background:var(--primary-light);color:var(--primary);white-space:nowrap;border:1px solid #c7d2fe;align-items:center;gap:.35rem;padding:.3rem .75rem;font-size:.75rem;font-weight:600;display:inline-flex}.badge-admin{color:#be185d;background:#fdf2f8;border-color:#fbcfe8}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);margin-bottom:1.25rem;padding:clamp(1.25rem,4vw,2rem)}.card-title{font-family:var(--font-heading);margin-bottom:.25rem;font-size:clamp(1.25rem,3.5vw,1.45rem);font-weight:700;line-height:1.25}.card-subtitle{color:var(--text-muted);margin-bottom:1.5rem;font-size:clamp(.85rem,2.5vw,.925rem);line-height:1.4}.form-group{flex-direction:column;gap:.4rem;margin-bottom:1.2rem;display:flex}.form-label{color:var(--text-main);font-size:.875rem;font-weight:600}.form-input{width:100%;min-height:48px;font-size:1rem;font-family:var(--font-body);border:1.5px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-main);-webkit-appearance:none;background:#fff;padding:.75rem 1rem;transition:border-color .15s,box-shadow .15s}.form-input:focus{border-color:var(--border-focus);outline:none;box-shadow:0 0 0 3px #6366f126}.form-input::placeholder{color:var(--text-dim)}.form-error{color:var(--accent-rose);margin-top:.25rem;font-size:.825rem;font-weight:500}.btn{font-family:var(--font-body);border-radius:var(--radius-md);cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap;border:none;justify-content:center;align-items:center;gap:.5rem;min-height:46px;padding:.7rem 1.25rem;font-size:.95rem;font-weight:600;text-decoration:none;transition:transform .1s,box-shadow .15s,background-color .15s;display:inline-flex}.btn:active{transform:scale(.98)}.btn-primary{background:linear-gradient(135deg, var(--primary), #3730a3);color:#fff;box-shadow:0 4px 12px #4f46e540}.btn-primary:hover{box-shadow:0 6px 16px #4f46e559}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-success{color:#fff;background:linear-gradient(135deg,#059669,#047857);box-shadow:0 4px 12px #05966940}.btn-success:hover{box-shadow:0 6px 16px #05966959}.btn-success:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-secondary{color:var(--text-main);border:1.5px solid var(--border-color);background:#fff}.btn-secondary:hover{background:#f8fafc;border-color:#cbd5e1}.btn-danger{background:var(--accent-rose-light);color:var(--accent-rose);border:1px solid #fecdd3}.btn-danger:hover{background:#ffe4e6}.btn-warning{color:#92400e;background:#fef3c7;border:1px solid #fde68a}.btn-warning:hover{background:#fde68a}.badge{border-radius:var(--radius-full);background:var(--bg-page);color:var(--text-muted);border:1px solid var(--border-color);align-items:center;gap:.35rem;padding:.3rem .65rem;font-size:.75rem;font-weight:600;display:inline-flex}.badge-admin{background:var(--primary-light);color:var(--primary);border-color:#c7d2fe}.badge-success{background:var(--accent-emerald-light);color:#065f46;border-color:#a7f3d0}.badge-warning{background:var(--accent-amber-light);color:#92400e;border-color:#fde68a}.modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#0f172a99;justify-content:center;align-items:center;padding:1rem;animation:.2s ease-out fadeIn;display:flex;position:fixed;inset:0}.modal-card{border-radius:var(--radius-lg);border:1px solid var(--border-color);background:#fff;width:100%;max-width:440px;padding:clamp(1.25rem,4vw,1.75rem);animation:.2s cubic-bezier(.16,1,.3,1) scaleUp;box-shadow:0 20px 25px -5px #0003,0 10px 10px -5px #0000001a}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleUp{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.btn-sm{min-height:38px;padding:.45rem .85rem;font-size:.85rem}.btn-block{width:100%}.btn-link{color:var(--primary);cursor:pointer;background:0 0;border:none;padding:.25rem 0;font-weight:600;text-decoration:underline;display:inline-block}.btn-link:hover{color:var(--primary-hover)}.assigned-card{text-align:center;border:2px solid #c7d2fe;padding:clamp(1.75rem,5vw,2.75rem) clamp(1rem,4vw,2rem)}.assigned-icon{background:var(--accent-emerald-light);width:56px;height:56px;color:var(--accent-emerald);border-radius:50%;justify-content:center;align-items:center;margin:0 auto .75rem;font-size:1.75rem;font-weight:800;display:flex}.assigned-number{font-family:var(--font-heading);color:var(--primary);letter-spacing:-.02em;margin:.5rem 0 1rem;font-size:clamp(2.4rem,9vw,3.4rem);font-weight:900;line-height:1.1}.assigned-details{background:var(--bg-page);border:1px solid var(--border-color);border-radius:var(--radius-md);text-align:left;flex-direction:column;gap:.75rem;margin-top:1.25rem;padding:clamp(1rem,3vw,1.25rem);display:flex}.detail-row{justify-content:space-between;align-items:center;gap:.75rem;font-size:.925rem;display:flex}.detail-label{color:var(--text-muted);flex-shrink:0;font-weight:500}.detail-value{text-align:right;word-break:break-word;font-weight:700}.table-wrap{-webkit-overflow-scrolling:touch;border:1px solid var(--border-color);border-radius:var(--radius-lg);width:100%;box-shadow:var(--shadow-sm);background:#fff;overflow-x:auto}.data-table{border-collapse:collapse;text-align:left;width:100%;min-width:500px;font-size:.9rem}.data-table th{color:var(--text-muted);border-bottom:1px solid var(--border-color);text-transform:uppercase;letter-spacing:.04em;background:#f8fafc;padding:.85rem 1.15rem;font-size:.75rem;font-weight:600}.data-table td{border-bottom:1px solid var(--border-color);vertical-align:middle;padding:.9rem 1.15rem}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:#fafafa}.group-badge{font-family:var(--font-heading);background:var(--primary-light);color:var(--primary);border-radius:var(--radius-sm);white-space:nowrap;border:1px solid #c7d2fe;justify-content:center;align-items:center;padding:.25rem .65rem;font-size:.9rem;font-weight:700;display:inline-flex}.mobile-order-list{flex-direction:column;gap:.75rem;display:none}.mobile-order-card{border:1.5px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);background:#fff;flex-direction:column;gap:.65rem;padding:1rem;display:flex}.mobile-order-card-header{border-bottom:1px solid #f1f5f9;justify-content:space-between;align-items:center;gap:.5rem;padding-bottom:.5rem;display:flex}.mobile-order-num{color:var(--text-muted);border-radius:var(--radius-sm);background:#f1f5f9;padding:.2rem .5rem;font-size:.85rem;font-weight:800}.mobile-order-card-body{flex-direction:column;gap:.25rem;display:flex}.mobile-group-title{font-family:var(--font-heading);color:var(--text-main);font-size:1.05rem;font-weight:700;line-height:1.25}.mobile-leader-info{color:var(--text-muted);align-items:center;gap:.35rem;font-size:.85rem;display:flex}.mobile-time-stamp{color:var(--text-dim);text-align:right;margin-top:.25rem;font-size:.75rem}.empty-state{text-align:center;color:var(--text-dim);padding:clamp(2rem,6vw,3.5rem) 1rem}.empty-state h4{font-family:var(--font-heading);color:var(--text-muted);margin-bottom:.35rem;font-size:1.1rem}.empty-state p{font-size:.875rem}.toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:1.25rem;display:flex}.toolbar-left,.toolbar-right{flex-wrap:wrap;align-items:center;gap:.5rem;display:flex}.search-input{border:1.5px solid var(--border-color);border-radius:var(--radius-md);background:#fff;width:240px;min-height:42px;padding:.5rem .85rem;font-size:1rem;transition:border-color .15s}.search-input:focus{border-color:var(--border-focus);outline:none}.class-card-wrapper{margin-bottom:1rem}.class-card{border:1.5px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;color:inherit;background:#fff;justify-content:space-between;align-items:center;gap:1rem;padding:1.15rem;text-decoration:none;transition:box-shadow .15s,border-color .15s;display:flex}.class-card:hover{box-shadow:var(--shadow-md);border-color:#cbd5e1}.class-card:active{background:#f8fafc}.class-card-info h3{font-family:var(--font-heading);font-size:1.1rem;font-weight:700;line-height:1.25}.class-card-info p{color:var(--text-muted);margin-top:.2rem;font-size:.85rem}.class-card-meta{text-align:right;color:var(--text-muted);flex-shrink:0;font-size:.8rem}.class-card-meta .count{font-family:var(--font-heading);color:var(--primary);font-size:1.45rem;font-weight:800;line-height:1;display:block}.share-box{align-items:stretch;gap:.5rem;margin-top:.5rem;display:flex}.share-input{border:1.5px solid var(--border-color);border-radius:var(--radius-md);min-height:40px;color:var(--primary);background:#f8fafc;flex:1;min-width:0;padding:.5rem .75rem;font-family:monospace;font-size:.825rem}.alert{border-radius:var(--radius-md);margin-bottom:1.25rem;padding:.85rem 1rem;font-size:.875rem;line-height:1.4}.alert-error{background:var(--accent-rose-light);color:#991b1b;border:1px solid #fecaca}.alert-success{background:var(--accent-emerald-light);color:#065f46;border:1px solid #a7f3d0}.create-class-form{align-items:flex-end;gap:.75rem;display:flex}.page-footer{text-align:center;color:var(--text-dim);margin-top:auto;padding-top:2rem;font-size:.8rem}.page-footer a{color:var(--text-muted);font-weight:600;text-decoration:none}.page-footer a:hover{color:var(--primary)}@media (width<=768px){.toolbar{flex-direction:column;align-items:stretch}.toolbar-left{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.5rem;width:100%;display:grid}.toolbar-left .btn,.toolbar-right,.search-input{width:100%}}@media (width<=640px){.page-container{padding:1rem .85rem 2rem}.page-header{gap:.75rem;margin-bottom:1.25rem}.header-brand{gap:.6rem}.brand-icon{width:36px;height:36px;font-size:1rem}.brand-name{font-size:1.1rem}.brand-sub{font-size:.75rem}.create-class-form{flex-direction:column;align-items:stretch}.create-class-form .btn{width:100%}.table-wrap.desktop-only{display:none}.mobile-order-list{display:flex}.share-box{flex-direction:column}.share-box .btn{width:100%}.btn-sm{min-height:42px}}@media (width<=420px){.page-container{padding:.75rem .65rem 1.75rem}.card{border-radius:var(--radius-md);padding:1.15rem .85rem}.toolbar-left{grid-template-columns:1fr}.header-actions{justify-content:space-between;width:100%}}