:root{--bg-primary: #0a0a0a;--bg-secondary: #1a1a1a;--bg-tertiary: #2a2a2a;--bg-hover: #333333;--text-primary: #ffffff;--text-secondary: #b3b3b3;--text-muted: #666666;--accent-primary: #6366f1;--accent-hover: #4f46e5;--accent-light: #818cf8;--success: #10b981;--error: #ef4444;--warning: #f59e0b;--border-color: #333333;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .5);--shadow-md: 0 4px 6px rgba(0, 0, 0, .5);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .6);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", sans-serif;--font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", monospace}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;margin-bottom:var(--spacing-md)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.75rem}h4{font-size:1.5rem}h5{font-size:1.25rem}h6{font-size:1rem}p{margin-bottom:var(--spacing-md);color:var(--text-secondary)}a{color:var(--accent-light);text-decoration:none;transition:color .2s ease}a:hover{color:var(--accent-primary)}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg)}.header{background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);padding:var(--spacing-xs) 0;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background-color:#1a1a1acc;min-height:64px;display:flex;align-items:center}.header-content{display:flex;justify-content:space-between;align-items:center;width:100%;gap:var(--spacing-md)}.logo{font-size:1.5rem;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:var(--spacing-sm);flex-shrink:0}.nav{display:flex;gap:var(--spacing-lg);align-items:center;flex-wrap:wrap;justify-content:flex-end}.card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:var(--spacing-lg);transition:all .2s ease;cursor:pointer}.card:hover{background-color:var(--bg-tertiary);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.card-title{font-size:1.25rem;font-weight:600;margin-bottom:var(--spacing-sm)}.card-description{color:var(--text-secondary);font-size:.875rem}.grid{display:grid;gap:var(--spacing-lg);margin-top:var(--spacing-xl)}.grid-2{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);font-size:.875rem;font-weight:500;border-radius:var(--radius-md);border:none;cursor:pointer;transition:all .2s ease;text-decoration:none}.btn-primary{background-color:var(--accent-primary);color:#fff}.btn-primary:hover{background-color:var(--accent-hover)}.btn-secondary{background-color:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background-color:var(--bg-hover)}.btn-danger{background-color:var(--error);color:#fff}.btn-danger:hover{background-color:#dc2626}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group{margin-bottom:var(--spacing-lg)}.form-label{display:block;margin-bottom:var(--spacing-sm);color:var(--text-primary);font-weight:500}.form-input,.form-textarea,.form-select{width:100%;padding:var(--spacing-sm) var(--spacing-md);background-color:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:.875rem;transition:all .2s ease}.form-input:focus,.form-textarea:focus,.form-select:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #6366f11a}.form-textarea{min-height:100px;resize:vertical}.loading{display:flex;justify-content:center;align-items:center;padding:var(--spacing-2xl)}.spinner{width:40px;height:40px;border:3px solid var(--bg-tertiary);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.alert{padding:var(--spacing-md);border-radius:var(--radius-md);margin-bottom:var(--spacing-lg)}.alert-error{background-color:#ef44441a;border:1px solid var(--error);color:var(--error)}.alert-success{background-color:#10b9811a;border:1px solid var(--success);color:var(--success)}.track-item{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-md);background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);margin-bottom:var(--spacing-sm);transition:all .2s ease}.track-item:hover{background-color:var(--bg-tertiary)}.track-info h4{font-size:1rem;margin-bottom:.25rem}.track-meta{color:var(--text-muted);font-size:.75rem}.breadcrumb{display:flex;gap:var(--spacing-sm);align-items:center;margin-bottom:var(--spacing-xl);color:var(--text-secondary)}.breadcrumb a{color:var(--text-secondary)}.breadcrumb a:hover{color:var(--text-primary)}.page{min-height:calc(100vh - 80px);padding:var(--spacing-2xl) 0}.page-header{margin-bottom:var(--spacing-2xl)}.page-title{font-size:2.5rem;margin-bottom:var(--spacing-sm)}.page-description{color:var(--text-secondary);font-size:1.125rem}table{width:100%;border-collapse:collapse;font-size:.875rem}table th{padding:var(--spacing-md);text-align:left;font-weight:600;border-bottom:2px solid var(--border-color);white-space:nowrap}table td{padding:var(--spacing-md);border-bottom:1px solid var(--border-color)}.table-responsive{overflow-x:auto;-webkit-overflow-scrolling:touch}@media (max-width: 768px){html{font-size:14px}.container{padding:0 var(--spacing-md)}.grid-2,.grid-3{grid-template-columns:1fr}.header{min-height:auto;padding:var(--spacing-md) 0}.header-content{flex-direction:column;gap:var(--spacing-sm);align-items:flex-start}.logo{font-size:1.25rem}.logo img{height:80px!important;width:80px!important}.logo span{font-size:1.25rem!important}.nav{width:100%;gap:var(--spacing-sm);font-size:.875rem;justify-content:flex-start}.nav a,.nav button{font-size:.875rem;padding:var(--spacing-xs) var(--spacing-sm)}.page{padding:var(--spacing-lg) 0}.page-header{margin-bottom:var(--spacing-lg)}.page-title{font-size:1.75rem;margin-bottom:var(--spacing-xs)}.page-description{font-size:1rem}h1{font-size:1.75rem}h2{font-size:1.5rem}h3{font-size:1.25rem}.track-item{flex-direction:column;align-items:flex-start;gap:var(--spacing-md)}table{font-size:.75rem}table th,table td{padding:var(--spacing-sm)}.table-responsive{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 calc(-1 * var(--spacing-md));padding:0 var(--spacing-md)}.card{padding:var(--spacing-md)}}.text-center{text-align:center}.text-right{text-align:right}.mt-1{margin-top:var(--spacing-sm)}.mt-2{margin-top:var(--spacing-md)}.mt-3{margin-top:var(--spacing-lg)}.mb-1{margin-bottom:var(--spacing-sm)}.mb-2{margin-bottom:var(--spacing-md)}.mb-3{margin-bottom:var(--spacing-lg)}.audio-player{background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:var(--spacing-md);margin-top:var(--spacing-sm)}.audio-player.loading,.audio-player.error{padding:var(--spacing-sm);text-align:center;font-size:.875rem;color:var(--text-secondary)}.player-loading{color:var(--text-secondary)}.player-error{color:var(--error)}.player-error-inline{margin-top:var(--spacing-sm);font-size:.75rem;color:var(--error)}.player-controls{display:flex;align-items:center;gap:var(--spacing-md)}.play-button{flex-shrink:0;width:40px;height:40px;border-radius:50%;border:none;background:var(--accent-primary);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.play-button:hover:not(:disabled){background:var(--accent-hover);transform:scale(1.05)}.play-button:active:not(:disabled){transform:scale(.95)}.play-button:disabled{opacity:.5;cursor:not-allowed}.play-button.playing{background:var(--accent-light)}.time-display{flex-shrink:0;font-size:.875rem;color:var(--text-secondary);font-family:var(--font-mono);display:flex;align-items:center;gap:var(--spacing-xs);min-width:90px}.time-display .separator{color:var(--text-muted)}.progress-container{position:relative;flex:1;height:6px;background:var(--bg-secondary);border-radius:var(--radius-sm);overflow:hidden}.progress-bar{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer;z-index:2}.progress-fill{position:absolute;top:0;left:0;height:100%;background:var(--accent-primary);transition:width .1s linear;border-radius:var(--radius-sm);pointer-events:none}.progress-container:hover .progress-fill{background:var(--accent-light)}@media (max-width: 768px){.player-controls{gap:var(--spacing-sm)}.play-button{width:36px;height:36px}.time-display{font-size:.75rem;min-width:80px}}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--spacing-md)}.modal-content{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);max-width:600px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-lg);border-bottom:1px solid var(--border-color)}.modal-header h2{margin:0;font-size:1.25rem;color:var(--text-primary)}.modal-close{background:none;border:none;font-size:2rem;color:var(--text-secondary);cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:all .2s ease}.modal-close:hover{background:var(--bg-hover);color:var(--text-primary)}.modal-body{padding:var(--spacing-lg)}.track-name-display{margin-bottom:var(--spacing-lg);padding:var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-md);font-size:.875rem;color:var(--text-secondary)}.track-name-display strong{color:var(--text-primary)}.ready-to-use-message{margin-bottom:var(--spacing-lg);padding:var(--spacing-md);background:var(--bg-tertiary);border-left:3px solid var(--accent-primary);border-radius:var(--radius-md)}.ready-to-use-message p{margin:0 0 var(--spacing-sm) 0;color:var(--text-secondary);font-size:.875rem;line-height:1.5}.help-button{background:none;border:none;color:var(--accent-primary);cursor:pointer;font-size:.875rem;padding:0;display:flex;align-items:center;gap:var(--spacing-xs);transition:color .2s ease}.help-button:hover{color:var(--accent-light)}.help-icon{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;border:1px solid currentColor;font-size:.75rem;font-weight:700}.help-text{margin-top:var(--spacing-md);padding:var(--spacing-md);background:var(--bg-secondary);border-radius:var(--radius-sm);font-size:.875rem;color:var(--text-secondary);line-height:1.6}.form-group{margin-bottom:var(--spacing-md)}.form-group label{display:block;margin-bottom:var(--spacing-sm);color:var(--text-primary);font-weight:500;font-size:.875rem}.optional-label{color:var(--text-muted);font-weight:400;font-size:.75rem}.description-textarea{width:100%;padding:var(--spacing-md);background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-family:inherit;font-size:.875rem;line-height:1.5;resize:vertical;transition:all .2s ease}.description-textarea:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #6366f11a}.description-textarea.error{border-color:var(--error)}.description-textarea.error:focus{box-shadow:0 0 0 3px #ef44441a}.character-counter{text-align:right;font-size:.75rem;color:var(--text-muted);margin-top:var(--spacing-xs)}.character-counter.error{color:var(--error)}.error-text{font-weight:600}.modal-footer{display:flex;justify-content:flex-end;gap:var(--spacing-md);padding:var(--spacing-lg);border-top:1px solid var(--border-color)}.modal-footer .btn{padding:var(--spacing-sm) var(--spacing-lg)}@media (max-width: 768px){.modal-overlay{padding:var(--spacing-sm)}.modal-header,.modal-body,.modal-footer{padding:var(--spacing-md)}.modal-header h2{font-size:1.125rem}.description-textarea{font-size:.8125rem}}