@import url("https://fonts.googleapis.com/css2?family=Google+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500;1,600;1,700&display=swap");:root{--font-family-primary:"Google Sans",-apple-system,BlinkMacSystemFont,"Segoe UI","Roboto","Helvetica Neue",Arial,sans-serif;--font-family-mono:"Roboto Mono","Courier New",monospace;--text-secondary:#808688;--text-primary:#202124;--text-tertiary:#9aa0a6;--font-size-base:13px;--font-size-chords:18px;--google-blue:#1a73e8;--google-blue-hover:#1557b0;--google-blue-light:#e8f0fe;--google-blue-border:#4285f4;--google-green:#137333;--google-green-hover:#0f5132;--google-green-light:#e6f4ea;--google-red:#d33b2c;--google-red-hover:#b52d20;--google-red-light:#fce8e6;--google-yellow:#f9ab00;--google-yellow-hover:#ea8600;--google-yellow-light:#fef7e0;--google-grey-50:#f8f9fa;--google-grey-100:#f1f3f4;--google-grey-200:#e8eaed;--google-grey-300:#dadce0;--google-grey-400:#bdc1c6;--google-grey-500:#9aa0a6;--google-grey-600:#80868b;--google-grey-700:#5f6368;--google-grey-800:#3c4043;--google-grey-900:#202124;--bg-primary:#ffffff;--bg-secondary:var(--google-grey-50);--bg-tertiary:var(--google-grey-100);--border-primary:var(--google-grey-300);--border-secondary:var(--google-grey-200);--shadow-1:0 1px 2px 0 rgba(60,64,67,0.3),0 1px 3px 1px rgba(60,64,67,0.15);--shadow-2:0 1px 2px 0 rgba(60,64,67,0.3),0 2px 6px 2px rgba(60,64,67,0.15);--dark-text-primary:#e8eaed;--dark-text-secondary:#bdc1c6;--dark-text-tertiary:#9aa0a6;--dark-bg-primary:#202124;--dark-bg-secondary:#292a2d;--dark-bg-tertiary:#3c4043;--dark-border-primary:#5f6368;--dark-border-secondary:#3c4043;--dark-shadow-1:0 1px 2px 0 rgba(0,0,0,0.3),0 1px 3px 1px rgba(0,0,0,0.15);--dark-shadow-2:0 1px 2px 0 rgba(0,0,0,0.3),0 2px 6px 2px rgba(0,0,0,0.15);--dark-google-blue-light:rgba(26,115,232,0.2);--dark-google-green-light:rgba(19,115,51,0.2);--dark-google-red-light:rgba(211,59,44,0.2);--dark-google-yellow-light:rgba(249,171,0,0.2);--font-size-xs:calc(var(--font-size-base) * 0.85);--font-size-sm:calc(var(--font-size-base) * 0.92);--font-size-md:calc(var(--font-size-base) * 1.08);--font-size-lg:calc(var(--font-size-base) * 1.23);--font-size-xl:calc(var(--font-size-base) * 1.38);--font-size-xxl:calc(var(--font-size-base) * 1.54);--font-size-3xl:calc(var(--font-size-base) * 1.85);--font-size-4xl:calc(var(--font-size-base) * 2.15);--font-size-5xl:calc(var(--font-size-base) * 2.46);--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--border-radius-sm:4px;--border-radius-md:8px;--border-radius-lg:16px}html.dark-theme{--text-primary:var(--dark-text-primary);--text-secondary:var(--dark-text-secondary);--text-tertiary:var(--dark-text-tertiary);--bg-primary:var(--dark-bg-primary);--bg-secondary:var(--dark-bg-secondary);--bg-tertiary:var(--dark-bg-tertiary);--border-primary:var(--dark-border-primary);--border-secondary:var(--dark-border-secondary);--shadow-1:var(--dark-shadow-1);--shadow-2:var(--dark-shadow-2);--google-blue-light:var(--dark-google-blue-light);--google-green-light:var(--dark-google-green-light);--google-red-light:var(--dark-google-red-light);--google-yellow-light:var(--dark-google-yellow-light)}.theme-toggle{display:inline-flex;align-items:center;gap:4px;padding:4px 6px;background:transparent;border:none;border-radius:var(--border-radius-sm);cursor:pointer;transition:all .2s ease;font-size:11px;font-weight:400;color:var(--text-tertiary);margin:0 4px;flex-shrink:0;line-height:1}.theme-toggle:hover{background:var(--bg-secondary);color:var(--text-secondary)}.theme-toggle-icon{font-size:12px;display:flex;align-items:center;justify-content:center;opacity:.8}.theme-toggle-text{font-size:10px;font-weight:400;opacity:.9}*{transition:background-color .3s ease,border-color .3s ease,color .3s ease,box-shadow .3s ease;box-sizing:border-box;margin:0;padding:0}*,body,html{font-family:var(--font-family-primary)!important;color:var(--text-secondary);font-size:var(--font-size-base);line-height:1.6}.app-title,.text-primary,.username,b,h1,h2,h3,h4,h5,h6,strong,th{color:var(--text-primary)!important;font-weight:500}h1{font-size:var(--font-size-4xl)}h1,h2{font-weight:500;line-height:1.25}h2{font-size:var(--font-size-3xl)}h3{font-size:var(--font-size-xxl)}h3,h4{font-weight:500;line-height:1.25}h4{font-size:var(--font-size-xl)}h5{font-size:var(--font-size-lg)}h5,h6{font-weight:500;line-height:1.25}h6{font-size:var(--font-size-md)}button,input,label,select,textarea{font-family:var(--font-family-primary)!important;font-size:var(--font-size-base);color:var(--text-secondary)}button,label{font-weight:500}label{color:var(--text-primary)}.app-container{min-height:100vh;display:flex;flex-direction:column;background-color:var(--bg-secondary);overflow:hidden}.app-header{flex:0 0 auto;background:var(--bg-primary);border-bottom:1px solid var(--border-secondary);box-shadow:var(--shadow-1);z-index:10}.app-header,.header-content{position:relative;overflow:visible}.header-content{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:var(--spacing-md) var(--spacing-lg);max-width:1400px;margin:0 auto}.header-left{display:flex;flex-direction:column;align-items:flex-start;min-width:220px}.app-title{font-size:var(--font-size-3xl);font-weight:500;margin:0}.app-subtitle{font-size:var(--font-size-md);margin:0}.header-right{display:flex;align-items:center;gap:var(--spacing-md);flex-shrink:0}.user-details,.user-info{display:flex;align-items:center;gap:var(--spacing-sm);flex-shrink:0}.username{font-size:var(--font-size-sm);font-weight:500}.tier-badge{padding:2px 6px;border-radius:10px;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.3px;line-height:1}.tier-free{background:var(--google-grey-200);color:var(--google-grey-700)}.tier-standard{background:var(--google-blue);color:white}.tier-premium{background:linear-gradient(45deg,#ff6b6b,#feca57);color:white}.tier-admin{background:var(--google-red);color:white}.logout-button{padding:6px 12px;background:transparent;border:1px solid var(--border-primary);border-radius:var(--border-radius-sm);cursor:pointer;transition:all .2s ease;font-size:var(--font-size-sm);flex-shrink:0}.logout-button:hover{background:var(--google-grey-50);color:var(--text-primary)}.auth-prompt{font-size:var(--font-size-sm);display:flex;align-items:center;gap:var(--spacing-sm);flex-shrink:0}.tab-navigation{background:none;border:none;position:static;box-shadow:none;margin-left:32px;margin-right:32px;flex:1 1;min-width:0}.tab-list{display:flex;flex-direction:row;align-items:center;gap:8px;padding:0;margin:0}.tab-button{padding:10px 18px;font-size:var(--font-size-md);font-weight:500;background:transparent;border:none;border-bottom:3px solid transparent;cursor:pointer;transition:all .2s;white-space:nowrap}.tab-button:hover{color:var(--text-primary);background:var(--bg-tertiary)}.tab-button.active{border-bottom:3px solid var(--google-blue);color:var(--google-blue)}html.dark-theme .logout-button:hover,html.dark-theme .tab-button:hover{background:var(--dark-bg-tertiary)}.notification-bar{background:var(--google-blue);color:white;padding:12px var(--spacing-lg);display:flex;align-items:center;justify-content:space-between;animation:slideIn .3s ease-out;border-radius:var(--border-radius-sm);box-shadow:var(--shadow-2);max-width:800px;margin:0 auto;font-weight:500;position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:1000;width:calc(100% - 32px);transition:opacity .3s ease}.notification-bar.fade-out{opacity:0}.notification-close{background:none;border:none;color:white;cursor:pointer;font-size:16px;padding:4px;opacity:.7;transition:opacity .2s ease}.notification-close:hover{opacity:1}.notification-bar.success{background:var(--google-green);color:white}.notification-bar.error{background:var(--google-red);color:white}.notification-bar.warning{background:var(--google-yellow);color:white;text-shadow:0 1px 1px rgba(0,0,0,.2)}.notification-bar.info{background:var(--google-blue);color:white}html.dark-theme .notification-bar{color:white;box-shadow:0 4px 12px rgba(0,0,0,.5)}html.dark-theme .notification-bar.success{background:var(--google-green)}html.dark-theme .notification-bar.error{background:var(--google-red)}html.dark-theme .notification-bar.warning{background:var(--google-yellow)}html.dark-theme .notification-bar.info{background:var(--google-blue)}html.dark-theme .notification-close{color:white}@keyframes slideIn{0%{transform:translate(-50%,-100%);opacity:0}to{transform:translate(-50%);opacity:1}}.main-content{flex:1 1;max-width:1900px;margin:0 auto;width:100%;max-width:100%;padding:0}.content-wrapper,.main-content{height:100vh;max-height:100vh;overflow:hidden}.content-wrapper{grid-template-columns:1fr auto;gap:var(--spacing-lg);min-height:0}.primary-content{min-width:0;height:100vh;overflow:hidden}.auth-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.5);display:flex;justify-content:center;align-items:center;z-index:1000}.auth-modal{background-color:var(--bg-primary);border-radius:8px;padding:20px;width:90%;max-width:500px;box-shadow:var(--shadow-2);border:1px solid var(--border-secondary)}html.dark-theme .auth-modal-overlay{background-color:rgba(0,0,0,.7)}.app-footer{flex:0 0 auto;background:var(--bg-primary);border-top:1px solid var(--border-secondary);margin-top:auto}.footer-content{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);max-width:1400px;margin:0 auto;font-size:var(--font-size-md)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mb-0{margin-bottom:0}.mb-1{margin-bottom:var(--spacing-xs)}.mb-2{margin-bottom:var(--spacing-sm)}.mb-3{margin-bottom:var(--spacing-md)}.mb-4{margin-bottom:var(--spacing-lg)}.mt-0{margin-top:0}.mt-1{margin-top:var(--spacing-xs)}.mt-2{margin-top:var(--spacing-sm)}.mt-3{margin-top:var(--spacing-md)}.mt-4{margin-top:var(--spacing-lg)}button:focus,input:focus,select:focus,textarea:focus{outline:2px solid var(--google-blue);outline-offset:2px}@media (max-width:1024px){.content-wrapper{grid-template-columns:1fr}}@media (max-width:768px){.header-content{padding:var(--spacing-sm) var(--spacing-md);flex-direction:column;gap:var(--spacing-sm);align-items:flex-start}.header-right{width:100%;justify-content:space-between}.tab-list{padding:0 var(--spacing-md)}.tab-button{padding:10px 16px;font-size:var(--font-size-base)}.main-content{padding:var(--spacing-md)}.footer-content{flex-direction:column;gap:var(--spacing-sm);text-align:center}}@media (max-width:480px){.app-title{font-size:var(--font-size-xxl)}.app-subtitle,.tab-button{font-size:var(--font-size-sm)}.tab-button{padding:8px 12px}.user-details{align-items:flex-start}}@media print{.app-footer,.app-header,.notification-bar,.tab-navigation{display:none}.main-content{padding:0;max-width:none}}html.dark-theme .auth-modal,html.dark-theme .tab-button.active{background-color:var(--dark-bg-secondary)}html.dark-theme .tab-button.active{color:var(--google-blue)}html.dark-theme .tab-button:hover:not(.active){background:var(--dark-bg-tertiary)}html.dark-theme input,html.dark-theme select,html.dark-theme textarea{background-color:var(--dark-bg-secondary);border-color:var(--dark-border-primary);color:var(--dark-text-primary)}html.dark-theme input::placeholder,html.dark-theme textarea::placeholder{color:var(--dark-text-tertiary)}html.dark-theme .tier-free{background:var(--dark-bg-tertiary);color:var(--dark-text-secondary)}.login-button{background-color:var(--google-blue);color:white;border:none;border-radius:5px;padding:8px 16px;font-weight:500;cursor:pointer;margin-left:12px;transition:background-color .2s}.login-button:hover,html.dark-theme .login-button:hover{background-color:var(--google-blue-hover)}html.dark-theme{scrollbar-color:var(--dark-border-primary) var(--dark-bg-secondary)}html.dark-theme ::-webkit-scrollbar{width:12px}html.dark-theme ::-webkit-scrollbar-track{background:var(--dark-bg-secondary)}html.dark-theme ::-webkit-scrollbar-thumb{background:var(--dark-border-primary);border-radius:6px}html.dark-theme ::-webkit-scrollbar-thumb:hover{background:var(--dark-text-tertiary)}html.dark-theme ::selection{background:var(--google-blue);color:white}html.dark-theme ::-moz-selection{background:var(--google-blue);color:white}html.dark-theme button:not(.theme-toggle):not(.login-button){background-color:var(--dark-bg-tertiary);border-color:var(--dark-border-primary);color:var(--dark-text-secondary)}html.dark-theme button:not(.theme-toggle):not(.login-button):hover{background-color:var(--dark-bg-primary);color:var(--dark-text-primary)}html.dark-theme code,html.dark-theme pre{background-color:var(--dark-bg-tertiary);color:var(--dark-text-primary);border:1px solid var(--dark-border-primary)}html.dark-theme table{border-color:var(--dark-border-primary)}html.dark-theme td,html.dark-theme th{border-color:var(--dark-border-secondary)}html.dark-theme th{background-color:var(--dark-bg-tertiary)}html.dark-theme hr{border-color:var(--dark-border-primary)}html.dark-theme [role=button]:focus,html.dark-theme button:focus,html.dark-theme input:focus,html.dark-theme select:focus,html.dark-theme textarea:focus{outline:2px solid var(--google-blue);outline-offset:2px}html.dark-theme :focus-visible{outline:2px solid var(--google-blue);outline-offset:2px}html.dark-theme .chordSegment:hover{background:var(--dark-bg-tertiary)}html.dark-theme .chordSegment:active{background:var(--dark-border-primary)}html.dark-theme .genreBadge{background:var(--dark-text-primary);color:var(--dark-bg-primary)}html.dark-theme .filters{background:var(--dark-bg-tertiary);border-color:var(--dark-border-primary)}html.dark-theme .itemCount{background:var(--dark-border-primary);color:var(--dark-text-secondary)}html.dark-theme .filterSelect:hover{background-color:var(--dark-bg-primary);border-color:var(--dark-border-primary)}html.dark-theme .chordSegmentCurrent{background:var(--dark-border-primary)!important;color:var(--dark-bg-primary)!important;border-right-color:var(--dark-text-tertiary)}html.dark-theme .chordSegmentCurrent:hover{background:var(--dark-text-tertiary)!important;color:var(--dark-bg-primary)!important}html.dark-theme .chordSegmentCurrent .chordName,html.dark-theme .chordSegmentCurrent:hover .chordName{color:var(--dark-bg-primary)!important}html.dark-theme .filterSelect{background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23bdc1c6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e")}html.dark-theme .description,html.dark-theme .priceSummary,html.dark-theme .requestForm{background:var(--dark-bg-tertiary);border-color:var(--dark-border-primary)}html.dark-theme .cancelFormButton:hover{background:var(--dark-bg-tertiary)}html.dark-theme .inputGroup input,html.dark-theme .inputGroup select,html.dark-theme .inputGroup textarea{background:var(--dark-bg-primary);border-color:var(--dark-border-primary);color:var(--dark-text-primary)}html.dark-theme .inputGroup input:focus,html.dark-theme .inputGroup select:focus,html.dark-theme .inputGroup textarea:focus{border-color:var(--google-blue);box-shadow:0 0 0 2px var(--dark-google-blue-light)}.authPage{display:flex;justify-content:center;align-items:center;min-height:calc(100vh - 200px);padding:var(--spacing-lg)}.notification{position:fixed;top:20px;left:50%;transform:translateX(-50%);background-color:var(--bg-primary);color:var(--text-primary);padding:12px 20px;border-radius:var(--border-radius-md);box-shadow:var(--shadow-2);z-index:1000;max-width:90%;text-align:center;animation:fadeIn .3s ease-out;border:1px solid var(--border-primary)}@keyframes fadeIn{0%{opacity:0;transform:translate(-50%,-20px)}to{opacity:1;transform:translate(-50%)}}html.dark-theme .notification{background-color:var(--dark-bg-secondary);border-color:var(--dark-border-primary)}