:root{--spotify-green: #1DB954;--spotify-green-hover: #1ed760;--spotify-black: #121212;--spotify-dark-gray: #181818;--spotify-card-gray: #282828;--spotify-light-gray: #b3b3b3;--spotify-white: #ffffff;--spotify-error: #e84142;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .5);--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s ease;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--z-dropdown: 100;--z-modal: 200;--z-toast: 300}*{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(--spotify-black);color:var(--spotify-white);line-height:1.5;min-height:100vh}a{color:var(--spotify-green);text-decoration:none;transition:color var(--transition-fast);touch-action:manipulation}@media (hover: hover) and (pointer: fine){a:hover{color:var(--spotify-green-hover)}}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;touch-action:manipulation}input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;background:var(--spotify-black);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);padding:var(--space-sm) var(--space-md);transition:border-color var(--transition-fast),box-shadow var(--transition-fast);width:100%}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--spotify-green);box-shadow:0 0 0 2px #1db9544d}button:focus-visible,[tabindex]:focus-visible{outline:none;box-shadow:0 0 0 3px #1db95480}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}input::placeholder{color:var(--spotify-light-gray);opacity:.6}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;display:flex;flex-direction:column;align-items:center;padding:var(--space-xl) var(--space-md);max-width:1200px;width:100%;margin:0 auto}.admin-dashboard-grid{display:grid;grid-template-columns:1fr 350px;gap:var(--space-xl);align-items:start;width:100%}.sidebar-sticky{position:sticky;top:var(--space-xl)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-full);font-weight:600;font-size:.875rem;transition:all var(--transition-fast);white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-wrap{white-space:normal;line-height:1.3;border-radius:var(--radius-lg);text-align:center}.btn-primary{background:var(--spotify-green);color:var(--spotify-black)}@media (hover: hover) and (pointer: fine){.btn-primary:hover:not(:disabled){background:var(--spotify-green-hover);transform:scale(1.02)}}.btn-primary:active:not(:disabled){transform:scale(.98)}.btn-secondary{background:var(--spotify-card-gray);color:var(--spotify-white);border:1px solid rgba(255,255,255,.1)}@media (hover: hover) and (pointer: fine){.btn-secondary:hover:not(:disabled){background:#ffffff1a;border-color:#fff3}}.btn-ghost{background:transparent;color:var(--spotify-light-gray)}@media (hover: hover) and (pointer: fine){.btn-ghost:hover:not(:disabled){color:var(--spotify-white);background:#ffffff0d}}.btn-icon{padding:var(--space-sm);border-radius:var(--radius-full)}@media (hover: hover) and (pointer: fine){.btn-icon:hover:not(:disabled){background:#ffffff1a}}.card{background:var(--spotify-card-gray);border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.05);overflow:hidden;transition:transform var(--transition-normal),box-shadow var(--transition-normal),border-color var(--transition-normal)}@media (hover: hover) and (pointer: fine){.card:hover{border-color:#ffffff1a;transform:translateY(-2px);box-shadow:var(--shadow-md)}}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2;letter-spacing:-.02em}h1{font-size:clamp(2rem,5vw,3.5rem)}h2{font-size:clamp(1.5rem,4vw,2.5rem)}h3{font-size:clamp(1.25rem,3vw,1.75rem)}h4{font-size:clamp(1.125rem,2.5vw,1.375rem)}.text-muted{color:var(--spotify-light-gray)}.text-center{text-align:center}.form-group{display:flex;flex-direction:column;gap:var(--space-xs);width:100%}.form-label{font-size:.875rem;font-weight:500;color:var(--spotify-light-gray)}.form-input{font-size:1rem}.form-error{color:var(--spotify-error);font-size:.875rem}.qr-container{display:flex;flex-direction:column;align-items:center;gap:var(--space-md);padding:var(--space-xl);background:var(--spotify-card-gray);border-radius:var(--radius-xl);border:1px solid rgba(255,255,255,.05)}.qr-code{background:#fff;padding:var(--space-md);border-radius:var(--radius-md);display:inline-block}.qr-code img{display:block;width:100%;max-width:256px;height:auto}.track-list{width:100%;max-width:600px}.track-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--spotify-card-gray);border-radius:var(--radius-md);margin-bottom:var(--space-sm);border:1px solid rgba(255,255,255,.05);transition:all var(--transition-fast)}@media (hover: hover) and (pointer: fine){.track-item:hover{background:#ffffff0d;border-color:#ffffff1a}}.track-item.playing{border-color:var(--spotify-green);background:#1db9541a}.track-artwork{width:56px;height:56px;border-radius:var(--radius-sm);object-fit:cover;flex-shrink:0}.track-info{flex:1;min-width:0}.track-name{font-weight:600;font-size:.9375rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.track-artist{font-size:.8125rem;color:var(--spotify-light-gray);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.track-actions{display:flex;align-items:center;gap:var(--space-sm)}.track-position{font-size:.875rem;color:var(--spotify-light-gray);font-variant-numeric:tabular-nums;min-width:24px;text-align:right}.search-results{width:100%;max-width:600px}.search-result-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);border-radius:var(--radius-md);transition:background var(--transition-fast);cursor:pointer}@media (hover: hover) and (pointer: fine){.search-result-item:hover{background:#ffffff0d}}.search-result-artwork{width:48px;height:48px;border-radius:var(--radius-sm);object-fit:cover}.search-result-info{flex:1;min-width:0}.search-result-name{font-weight:600;font-size:.9375rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-result-artist{font-size:.8125rem;color:var(--spotify-light-gray);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-result-album{font-size:.75rem;color:var(--spotify-light-gray);opacity:.85;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-result-add{padding:var(--space-xs) var(--space-md);font-size:.8125rem;border-radius:var(--radius-full);background:var(--spotify-green);color:var(--spotify-black);font-weight:600;transition:all var(--transition-fast)}@media (hover: hover) and (pointer: fine){.search-result-add:hover{background:var(--spotify-green-hover);transform:scale(1.05)}}.search-result-add:disabled{opacity:.5;cursor:not-allowed;transform:none}.search-result-add.added{background:var(--spotify-card-gray);color:var(--spotify-light-gray)}.device-list{display:flex;flex-direction:column;gap:var(--space-sm);max-width:400px;width:100%}.device-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--spotify-card-gray);border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.05);cursor:pointer;transition:all var(--transition-fast)}@media (hover: hover) and (pointer: fine){.device-item:hover{border-color:#ffffff1a;background:#ffffff08}}.device-item.selected{border-color:var(--spotify-green);background:#1db9541a}.device-icon{width:48px;height:48px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;background:#ffffff0d;flex-shrink:0}.device-icon svg{width:24px;height:24px;color:var(--spotify-light-gray)}.device-info{flex:1;min-width:0}.device-name{font-weight:600;font-size:.9375rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.device-type{font-size:.8125rem;color:var(--spotify-light-gray)}.device-active-badge{font-size:.6875rem;font-weight:600;padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-full);background:var(--spotify-green);color:var(--spotify-black);text-transform:uppercase;letter-spacing:.05em}.now-playing-bar{position:fixed;bottom:0;left:0;right:0;background:var(--spotify-dark-gray);border-top:1px solid rgba(255,255,255,.05);padding:var(--space-md) var(--space-xl);display:flex;align-items:center;justify-content:space-between;gap:var(--space-lg);z-index:var(--z-dropdown);max-width:1200px;margin:0 auto}.now-playing-track{display:flex;align-items:center;gap:var(--space-md);flex:1;min-width:0}.now-playing-artwork{width:56px;height:56px;border-radius:var(--radius-sm);object-fit:cover}.now-playing-info{min-width:0}.now-playing-name{font-weight:600;font-size:.9375rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.now-playing-artist{font-size:.8125rem;color:var(--spotify-light-gray);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.now-playing-controls{display:flex;align-items:center;gap:var(--space-md)}.control-btn{width:44px;height:44px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;color:var(--spotify-light-gray);transition:all var(--transition-fast)}@media (hover: hover) and (pointer: fine){.control-btn:hover{color:var(--spotify-white);background:#ffffff1a}}.control-btn.play-pause{width:48px;height:48px;background:var(--spotify-green);color:var(--spotify-black)}@media (hover: hover) and (pointer: fine){.control-btn.play-pause:hover{background:var(--spotify-green-hover);transform:scale(1.05)}}.now-playing-progress{display:flex;align-items:center;gap:var(--space-sm);flex:1;max-width:400px;margin:0 var(--space-lg)}.progress-bar{flex:1;height:4px;background:#fff3;border-radius:var(--radius-full);overflow:hidden;cursor:pointer}.progress-fill{height:100%;background:var(--spotify-green);border-radius:var(--radius-full);transition:width .1s linear;width:0%}.progress-time{font-size:.75rem;color:var(--spotify-light-gray);font-variant-numeric:tabular-nums;min-width:40px}.now-playing-volume{display:flex;align-items:center;gap:var(--space-sm)}.volume-slider{width:100px;height:4px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:#fff3;border-radius:var(--radius-full);outline:none}.volume-slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:16px;height:16px;background:var(--spotify-green);border-radius:var(--radius-full);cursor:pointer;transition:transform var(--transition-fast)}@media (hover: hover) and (pointer: fine){.volume-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}}.volume-slider::-moz-range-thumb{width:16px;height:16px;background:var(--spotify-green);border:none;border-radius:var(--radius-full);cursor:pointer}.loading{display:flex;align-items:center;justify-content:center;gap:var(--space-md);padding:var(--space-xl);color:var(--spotify-light-gray)}.spinner{width:24px;height:24px;border:2px solid rgba(255,255,255,.1);border-top-color:var(--spotify-green);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:var(--space-2xl);color:var(--spotify-light-gray)}.empty-state-icon{width:64px;height:64px;margin:0 auto var(--space-md);color:#ffffff1a}.toast-container{position:fixed;top:var(--space-xl);right:var(--space-xl);z-index:var(--z-toast);display:flex;flex-direction:column;gap:var(--space-sm)}.toast{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md) var(--space-lg);background:var(--spotify-card-gray);border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.05);box-shadow:var(--shadow-lg);animation:slideIn .3s ease;max-width:360px}.toast.success{border-left:4px solid var(--spotify-green)}.toast.error{border-left:4px solid var(--spotify-error)}.toast.info{border-left:4px solid var(--spotify-green)}@keyframes slideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000c;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:var(--space-md);z-index:var(--z-modal);animation:fadeIn .2s ease}.modal{background:var(--spotify-dark-gray);border-radius:var(--radius-xl);border:1px solid rgba(255,255,255,.05);padding:var(--space-xl);max-width:500px;width:100%;max-height:90vh;overflow-y:auto;animation:slideUp .3s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg)}.modal-title{font-size:1.25rem;font-weight:700}.modal-close{width:44px;height:44px;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;color:var(--spotify-light-gray);transition:all var(--transition-fast)}@media (hover: hover) and (pointer: fine){.modal-close:hover{background:#ffffff1a;color:var(--spotify-white)}}@media (max-width: 900px){.admin-dashboard-grid{grid-template-columns:1fr}.sidebar-sticky{position:static}}@media (max-width: 768px){.main-content{padding:var(--space-lg) var(--space-md)}.now-playing-bar{padding:var(--space-sm) var(--space-md);padding-bottom:calc(var(--space-sm) + env(safe-area-inset-bottom));flex-wrap:wrap;gap:var(--space-sm)}.now-playing-progress{order:3;width:100%;max-width:none;margin:var(--space-sm) 0 0}.now-playing-controls{order:2}.now-playing-track{order:1;flex:1}.now-playing-volume{display:none}.qr-container{padding:var(--space-lg)}}.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}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.w-full{width:100%}.mt-md{margin-top:var(--space-md)}.mb-md{margin-bottom:var(--space-md)}