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button.create{background-color:#2563eb;box-shadow:0 10px 18px #2563eb40;color:#fff}.modal-buttons button.create:hover{background-color:#1d4ed8;transform:translateY(-1px)}.modal-buttons button.delete{background-color:#dc2626;box-shadow:0 10px 18px #dc262640;color:#fff}.modal-buttons button.delete:hover{background-color:#b91c1c;transform:translateY(-1px)}.modal-buttons button.cancel{background-color:#fff;border:1px solid #d1d5db;color:#111827}.modal-buttons button.cancel:hover{background-color:#f8fafc}.modal-score-info{align-items:center;display:flex;gap:12px;margin-bottom:4px}.modal-score-title{color:#111827;font-size:16px;font-weight:500}.modal-score-artist{color:#6b7280;font-size:14px;margin-top:2px}.about-modal-body{display:flex;flex-direction:column;gap:12px}.about-section .about-text{color:#111827;font-size:14px;margin-top:4px}.key-select-modal{align-items:center;display:flex;flex-direction:column;gap:12px;text-align:center;width:clamp(360px,60vw,520px)}.key-select-modal 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ease}.create-score-button:hover{background-color:#0069d9;box-shadow:0 4px 6px #0000004d}.create-score-button .plus-icon{font-size:1.2rem}.body-container{--score-card-width:260px;--score-card-gap:40px;--score-grid-width:calc(var(--score-card-width)*4 + var(--score-card-gap)*3);margin:0 auto;max-width:100%;padding:20px 20px 40px;transition:transform .3s ease;will-change:transform}.score-content{margin:0 auto;max-width:var(--score-grid-width);padding:0 0 20px}.body-container.shift-right{transform:translateX(260px)}@media (max-width:768px){.body-container{padding:16px}.body-container.shift-right{transform:translateX(0)}}body,html{overflow-x:hidden}@keyframes toast-slide-in{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.toast-container{bottom:32px;pointer-events:none;position:fixed;right:32px;z-index:1500}.toast{align-items:flex-start;animation:toast-slide-in .35s ease forwards;background:#0f172af2;border-radius:20px;box-shadow:0 20px 45px #0f172a59,inset 0 0 0 1px #ffffff0d;color:#fff;display:flex;gap:14px;max-width:360px;min-width:300px;padding:16px 20px;pointer-events:auto;position:relative}.toast--success{background:linear-gradient(135deg,#0f172a,#0c2441)}.toast--error{background:linear-gradient(135deg,#1c1a2e,#3b0d17)}.toast-icon{color:#4ade80;font-size:1.4rem;line-height:1;margin-top:2px}.toast--error .toast-icon{color:#f87171}.toast-content{flex:1 1}.toast-title{color:#ffffffd9;font-size:.95rem;font-weight:700;letter-spacing:.04em;margin-bottom:4px;text-transform:uppercase}.toast-message{color:#ffffffe6;font-size:.9rem}.toast-close{background:#0000;border:none;color:#fff9;cursor:pointer;font-size:1.2rem;line-height:1;margin-left:8px;padding:2px;transition:color .2s ease}.toast-close:hover{color:#ffffffe6}@media (max-width:640px){.toast-container{bottom:16px;right:16px}.toast{max-width:none;min-width:0;min-width:auto}}.score-filters{align-items:flex-end;display:flex;flex-wrap:wrap;gap:1rem;margin:1rem 0}.score-filter-field{display:flex;flex:1 1 200px;flex-direction:column;min-width:200px}.score-filter-label{color:#4b5563;font-size:.85rem;margin-bottom:.25rem}.score-filter-input,.score-filter-select{border:1px solid #d1d5db;border-radius:8px;font-size:.95rem;padding:.5rem .75rem;transition:border-color .15s ease,box-shadow .15s ease}.score-filter-input:focus,.score-filter-select:focus{border-color:#2563eb;box-shadow:0 0 0 2px #2563eb33;outline:none}@media (max-width:640px){.score-filter-field{flex:1 1 100%}}.app-footer{background:#2f2f2f;color:#e2e8f0;margin-top:32px;padding:20px 16px;text-align:center}.footer-links{align-items:center;display:inline-flex;font-size:13px;gap:10px;margin-bottom:6px}.footer-link{background:none;border:none;color:#e2e8f0;cursor:pointer;font-size:13px;padding:2px 4px}.footer-link:hover{color:#fff}.footer-divider{color:#94a3b8}.footer-copy{color:#cbd5e1;font-size:12px}.page-shell{display:flex;flex-direction:column;min-height:100vh}.page-main{flex:1 0 auto}#key-select{align-items:center;background:linear-gradient(135deg,#f8fafc,#fff);border:1px solid #0f172a1a;border-radius:14px;display:flex;font-size:18px;font-weight:700;height:100%;justify-content:center;margin:0;padding:6px 14px;text-align:center;width:100%}.diatonic-table{--tonic-color:#1d4ed8;--subdominant-color:#059669;--dominant-color:#b91c1c;background:radial-gradient(circle at top,#0f172a08,#0000),#fff;border:1px solid #0f172a14;border-collapse:initial;border-radius:16px;border-spacing:0;box-shadow:0 22px 45px #0f172a14;margin-top:24px;table-layout:fixed;width:100%}.diatonic-table thead th{background-color:initial;border-bottom:1px solid #0f172a0f;color:#94a3b8;font-size:13px;letter-spacing:.08em;position:relative}.diatonic-table thead th:first-child{border-top-left-radius:16px}.diatonic-table thead th:last-child{border-top-right-radius:16px}.diatonic-table td,.diatonic-table th{border-right:1px solid #94a3b81f;color:#0f172a;font-size:15px;font-weight:600;padding:16px 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