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solid var(--border-color);background:var(--surface-color);color:var(--text-primary);cursor:pointer;border-radius:8px;min-width:140px;padding:.5rem .75rem;font-family:inherit;font-size:.875rem;transition:all .2s;box-shadow:0 1px 2px #00000005}.week-input::-webkit-calendar-picker-indicator{cursor:pointer;opacity:.6;transition:opacity .2s}.week-input::-webkit-calendar-picker-indicator:hover{opacity:1}.week-input:focus{border-color:var(--accent-color);outline:none;box-shadow:0 0 0 2px #3b82f61a}.search-wrapper{flex:1;align-items:center;max-width:400px;display:flex;position:relative}.search-icon{width:1rem;height:1rem;color:var(--text-secondary);pointer-events:none;position:absolute;left:.75rem}.search-input{width:100%;color:var(--text-primary);background:var(--bg-color);border:1px solid var(--border-color);border-radius:8px;outline:none;padding:.625rem 2.25rem;font-family:inherit;font-size:.875rem;transition:border-color .15s,box-shadow .15s}.search-input:focus{border-color:var(--accent-color);box-shadow:0 0 0 2px #3b82f61a}.clear-search{width:1.25rem;height:1.25rem;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:2px;display:flex;position:absolute;right:.75rem}.board-loading{color:var(--text-secondary);justify-content:center;align-items:center;gap:.75rem;padding:4rem 2rem;font-size:.875rem;display:flex}.spinner{border:2px solid var(--border-color);border-top-color:var(--accent-color);border-radius:50%;width:1.25rem;height:1.25rem;animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;color:var(--text-secondary);padding:4rem 2rem;font-size:.875rem}.bingo-grid{background:0 0;grid-template-columns:repeat(6,1fr);gap:.75rem;padding:1rem;display:grid}.grid-cell{background:var(--surface-color);border:1px solid var(--border-color);text-align:center;color:var(--text-primary);border-radius:12px;flex-direction:column;justify-content:space-between;align-items:center;min-height:100px;padding:.75rem .5rem;font-size:.875rem;font-weight:500;transition:all .25s;display:flex;position:relative;overflow:hidden;box-shadow:0 1px 3px #0000000d}.grid-phrase{word-wrap:break-word;flex:1;justify-content:center;align-items:center;padding-bottom:.5rem;display:flex}.grid-cell:hover:not(.disabled){border-color:var(--accent-color);transform:translateY(-2px);box-shadow:0 4px 6px -1px #0000001a}.grid-cell.completed{background:#f0f9ff;border-color:#bae6fd}.grid-cell.bingo-highlight{border-color:var(--accent-color);z-index:2;background:#dbeafe;transform:scale(1.02);box-shadow:0 0 12px #3b82f666}.grid-days{justify-content:center;gap:.25rem;width:100%;display:flex}.grid-day-btn{border:1px solid var(--border-color);background:var(--surface-color);width:1.75rem;height:1.75rem;color:var(--text-secondary);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;padding:0;font-size:.7rem;font-weight:600;transition:all .15s;display:flex}.grid-day-btn:hover:not(.disabled){background:var(--border-color)}.grid-day-btn.checked{background:var(--accent-color);border-color:var(--accent-color);color:#fff}.grid-day-btn.disabled{cursor:not-allowed;opacity:.6}.grid-cell.disabled{opacity:.7}.phrase-list{flex-direction:column;display:flex}.list-header{background:var(--bg-color);border-bottom:1px solid var(--border-color);text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);grid-template-columns:minmax(150px,1fr) auto;gap:1rem;padding:.75rem 1.5rem;font-size:.75rem;font-weight:600;display:grid}.header-phrase{align-items:center;display:flex}.header-days{justify-content:flex-end;gap:.25rem;display:flex}.header-day{text-align:center;width:2.25rem}.list-row{border-bottom:1px solid var(--border-color);background:var(--surface-color);grid-template-columns:minmax(150px,1fr) auto;align-items:center;gap:1rem;padding:1rem 1.5rem;transition:background-color .15s;display:grid}.list-row:last-child{border-bottom:none}.list-row:hover{background:var(--bg-color)}.list-row.completed{background:#eff6ff}.list-row.completed:hover{background:#dbeafe}.row-phrase{color:var(--text-primary);word-wrap:break-word;font-size:.875rem;font-weight:500}.list-row.completed .row-phrase{color:var(--accent-color)}.row-days{justify-content:flex-end;gap:.25rem;display:flex}.day-checkbox-label{cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:6px;justify-content:center;align-items:center;width:2.25rem;height:2.25rem;display:flex;position:relative}.day-checkbox-label.disabled{cursor:not-allowed;opacity:.6}.day-checkbox-label:hover{background:var(--border-color)}.day-checkbox-input{opacity:0;width:0;height:0;position:absolute}.day-checkbox-custom{border:1.5px solid var(--text-secondary);background:var(--surface-color);border-radius:4px;justify-content:center;align-items:center;width:1.25rem;height:1.25rem;transition:all .1s;display:flex}.day-checkbox-input:checked+.day-checkbox-custom{background:var(--accent-color);border-color:var(--accent-color);color:#fff}.day-checkbox-custom svg{width:.875rem;height:.875rem}.admin-login-panel{background:var(--surface-color);text-align:center;padding:4rem 2rem}.admin-login-panel h2{color:var(--text-primary);margin-bottom:1.5rem;font-size:1.5rem}.admin-login-form{justify-content:center;gap:.5rem;max-width:400px;margin:0 auto;display:flex}.admin-input{border:1px solid var(--border-color);background:var(--bg-color);color:var(--text-primary);border-radius:8px;outline:none;flex:1;padding:.75rem 1rem;font-size:.875rem}.admin-input:focus{border-color:var(--accent-color)}.admin-panel{background:var(--surface-color);padding:2rem}.admin-panel h2{margin-bottom:.5rem;font-size:1.5rem}.admin-desc{color:var(--text-secondary);margin-bottom:2rem;font-size:.875rem}.seed-grid{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1rem;margin-bottom:2rem;display:grid}.seed-edit-item{background:var(--bg-color);border:1px solid var(--border-color);border-radius:8px;align-items:center;gap:.5rem;padding:.5rem;display:flex}.seed-index{color:var(--text-secondary);text-align:right;width:1.5rem;font-size:.875rem;font-weight:600}.seed-input{border:1px solid var(--border-color);background:var(--surface-color);border-radius:6px;flex:1;padding:.5rem;font-size:.875rem}.seed-input:focus{border-color:var(--accent-color);outline:none}.admin-actions{border-top:1px solid var(--border-color);justify-content:flex-end;padding-top:1.5rem;display:flex}.add-btn{background:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:.75rem 1.5rem;font-weight:500;transition:background .15s}.add-btn:hover{background:var(--accent-hover)}@media (width<=1200px){.bingo-grid{grid-template-columns:repeat(4,1fr)}}@media (width<=800px){.bingo-grid{grid-template-columns:repeat(3,1fr)}}@media (width<=640px){.list-header{display:none}.list-row{grid-template-columns:1fr;gap:1rem}.row-phrase{width:100%}.row-days{justify-content:space-between;width:100%}.day-checkbox-label{flex:1;width:auto}.board-controls{flex-direction:column;align-items:stretch}.search-wrapper{max-width:100%}.bingo-grid{grid-template-columns:repeat(2,1fr);gap:.5rem;padding:.5rem}.grid-cell{min-height:120px;padding:.75rem .25rem}.grid-days{gap:.25rem}.grid-day-btn{width:1.5rem;height:1.5rem;font-size:.65rem}}:root{--bg-color:#f0f4f8;--surface-color:#fff;--text-primary:#0f172a;--text-secondary:#475569;--border-color:#cbd5e1;--accent-color:#3b82f6;--accent-hover:#2563eb;--success-color:#10b981}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:Inter,system-ui,-apple-system,sans-serif}.app-container{width:100%;min-height:100vh;padding:3rem 1rem}.main-content{max-width:1200px;margin:0 auto}.app-header{margin-bottom:2rem}.title{letter-spacing:-.03em;color:var(--text-primary);margin-bottom:.5rem;font-size:2.25rem;font-weight:700}.subtitle{color:var(--text-secondary);font-size:1rem}@media (width<=768px){.app-container{padding:1.5rem 1rem}.title{font-size:1.75rem}}