:root{--color-primary: #2563eb;--color-primary-dark: #1d4ed8;--color-bg: #f8fafc;--color-surface: #ffffff;--color-text: #1e293b;--color-text-muted: #64748b;--color-border: #e2e8f0;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1);--radius: 8px;--transition: .15s ease}@media (prefers-color-scheme: dark){:root{--color-bg: #0f172a;--color-surface: #1e293b;--color-text: #f1f5f9;--color-text-muted: #94a3b8;--color-border: #334155}}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background-color:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh}.container{max-width:600px;margin:0 auto;padding:1.5rem}header{text-align:center;margin-bottom:2rem}header h1{font-size:1.75rem;font-weight:700;margin-bottom:.25rem}header p{color:var(--color-text-muted);font-size:.95rem}.header-actions{display:flex;justify-content:flex-end;margin-bottom:.5rem}.language-switcher{padding:.35rem .75rem;font-size:.85rem;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);color:var(--color-text);cursor:pointer;transition:border-color var(--transition)}.language-switcher:hover{border-color:var(--color-primary)}.card{background:var(--color-surface);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:1.5rem;margin-bottom:1.5rem}.selectors{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem}.selector-group{display:flex;flex-direction:column;gap:.35rem}.selector-group label{font-size:.85rem;font-weight:500;color:var(--color-text-muted)}.selector-group select{padding:.625rem .875rem;font-size:1rem;border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-surface);color:var(--color-text);cursor:pointer;transition:border-color var(--transition),box-shadow var(--transition)}.selector-group select:hover{border-color:var(--color-primary)}.selector-group select:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #2563eb26}#version-container{grid-column:1 / -1}.chord-display{text-align:center}.chord-name{font-size:2rem;font-weight:700;margin-bottom:.25rem;color:var(--color-primary)}.alt-names{font-size:.85rem;color:var(--color-text-muted);margin-bottom:1rem}#chord-diagram{display:flex;justify-content:center;padding:1rem 0}.chord-diagram{width:100%;max-width:420px;height:auto}.no-chord{color:var(--color-text-muted);font-style:italic}footer{text-align:center;padding:1.5rem;color:var(--color-text-muted);font-size:.85rem}footer a{color:var(--color-primary);text-decoration:none}footer a:hover{text-decoration:underline}@media (max-width: 480px){.container{padding:1rem}header h1{font-size:1.5rem}.selectors{grid-template-columns:1fr}.card{padding:1rem}.chord-name{font-size:1.75rem}}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.card{animation:fadeIn .3s ease}#chord-diagram svg{transition:transform var(--transition)}#chord-diagram svg:hover{transform:scale(1.02)}