:root{--color-black: #000000;--color-gold: #C9A227;--color-gold-light: #D4B84A;--color-gold-dark: #A88A1F;--color-white: #FFFFFF;--color-gray-100: #F5F5F5;--color-gray-200: #E5E5E5;--color-gray-300: #D4D4D4;--color-gray-400: #A3A3A3;--color-gray-500: #737373;--color-gray-600: #525252;--color-gray-700: #404040;--color-gray-800: #262626;--color-gray-900: #171717;--color-success: #22C55E;--color-warning: #F59E0B;--color-error: #EF4444;--color-info: #3B82F6;--color-cycle-1: #22C55E;--color-cycle-2: #3B82F6;--color-cycle-3: #8B5CF6;--font-display: "Playfair Display", Georgia, serif;--font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--spacing-3xl: 4rem;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1);--shadow-gold: 0 0 20px rgba(201, 162, 39, .3);--transition-fast: .15s ease;--transition-normal: .3s ease;--transition-slow: .5s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font-body);background-color:var(--color-black);color:var(--color-white);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:600;line-height:1.2;color:var(--color-white)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}.text-gold{color:var(--color-gold)}.text-muted{color:var(--color-gray-400)}a{color:var(--color-gold);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-gold-light)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-lg);font-family:var(--font-body);font-size:.875rem;font-weight:500;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--color-gold) 0%,var(--color-gold-dark) 100%);color:var(--color-black);border:1px solid var(--color-gold)}.btn-primary:hover:not(:disabled){background:linear-gradient(135deg,var(--color-gold-light) 0%,var(--color-gold) 100%);box-shadow:var(--shadow-gold);transform:translateY(-1px)}.btn-secondary{background:transparent;color:var(--color-gold);border:1px solid var(--color-gold)}.btn-secondary:hover:not(:disabled){background:#c9a2271a}.btn-ghost{background:transparent;color:var(--color-gray-400);border:1px solid var(--color-gray-700)}.btn-ghost:hover:not(:disabled){color:var(--color-white);border-color:var(--color-gray-500)}.btn-lg{padding:var(--spacing-md) var(--spacing-xl);font-size:1rem}.btn-sm{padding:var(--spacing-xs) var(--spacing-md);font-size:.75rem}.form-group{margin-bottom:var(--spacing-lg)}.form-label{display:block;margin-bottom:var(--spacing-sm);font-size:.875rem;font-weight:500;color:var(--color-gray-300)}.form-input{width:100%;padding:var(--spacing-md);font-family:var(--font-body);font-size:1rem;color:var(--color-white);background:var(--color-gray-900);border:1px solid var(--color-gray-700);border-radius:var(--radius-md);transition:all var(--transition-fast)}.form-input:focus{outline:none;border-color:var(--color-gold);box-shadow:0 0 0 3px #c9a2271a}.form-input::placeholder{color:var(--color-gray-500)}.form-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23737373' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--spacing-md) center;padding-right:var(--spacing-3xl)}.form-error{color:var(--color-error);font-size:.75rem;margin-top:var(--spacing-xs)}.card{background:linear-gradient(145deg,var(--color-gray-900) 0%,var(--color-black) 100%);border:1px solid var(--color-gray-800);border-radius:var(--radius-lg);padding:var(--spacing-xl);transition:all var(--transition-normal)}.card:hover{border-color:var(--color-gray-700)}.card-gold{border-color:var(--color-gold);background:linear-gradient(145deg,rgba(201,162,39,.1) 0%,var(--color-black) 100%)}.card-title{font-family:var(--font-display);font-size:1.25rem;margin-bottom:var(--spacing-md);color:var(--color-gold)}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg)}.page{flex:1;padding:var(--spacing-xl) 0}.grid{display:grid;gap:var(--spacing-lg)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 768px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}.flex-between{display:flex;align-items:center;justify-content:space-between}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.navbar{position:sticky;top:0;z-index:100;background:#000000f2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--color-gray-800);padding:var(--spacing-md) 0}.navbar-content{display:flex;align-items:center;justify-content:space-between}.navbar-logo{font-family:var(--font-display);font-size:1.5rem;color:var(--color-gold);display:flex;align-items:center;gap:var(--spacing-sm)}.navbar-nav{display:flex;align-items:center;gap:var(--spacing-lg);list-style:none}.navbar-link{color:var(--color-gray-400);font-size:.875rem;font-weight:500;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);transition:all var(--transition-fast)}.navbar-link:hover,.navbar-link.active{color:var(--color-gold);background:#c9a2271a}.progress{height:8px;background:var(--color-gray-800);border-radius:var(--radius-full);overflow:hidden}.progress-bar{height:100%;background:linear-gradient(90deg,var(--color-gold-dark) 0%,var(--color-gold) 100%);border-radius:var(--radius-full);transition:width var(--transition-normal)}.progress-sm{height:4px}.progress-lg{height:12px}.badge{display:inline-flex;align-items:center;padding:var(--spacing-xs) var(--spacing-sm);font-size:.75rem;font-weight:500;border-radius:var(--radius-full);background:var(--color-gray-800);color:var(--color-gray-300)}.badge-gold{background:#c9a22733;color:var(--color-gold);border:1px solid var(--color-gold)}.badge-success{background:#22c55e33;color:var(--color-success)}.badge-warning{background:#f59e0b33;color:var(--color-warning)}.badge-cycle-1{background:#22c55e33;color:var(--color-cycle-1)}.badge-cycle-2{background:#3b82f633;color:var(--color-cycle-2)}.badge-cycle-3{background:#8b5cf633;color:var(--color-cycle-3)}.stat-card{text-align:center;padding:var(--spacing-lg)}.stat-value{font-family:var(--font-display);font-size:2rem;font-weight:700;color:var(--color-gold);margin-bottom:var(--spacing-xs)}.stat-label{font-size:.875rem;color:var(--color-gray-400)}.piano-keyboard{display:flex;justify-content:center;padding:var(--spacing-lg);background:var(--color-gray-900);border-radius:var(--radius-lg);overflow-x:auto}.piano-key{position:relative;cursor:pointer;transition:all var(--transition-fast)}.piano-key-white{width:40px;height:150px;background:linear-gradient(180deg,#f5f5f5,#e5e5e5);border:1px solid var(--color-gray-400);border-radius:0 0 var(--radius-sm) var(--radius-sm);margin:0 1px}.piano-key-white:hover{background:linear-gradient(180deg,#fff,#f5f5f5)}.piano-key-white:active,.piano-key-white.active{background:linear-gradient(180deg,var(--color-gold-light) 0%,var(--color-gold) 100%)}.piano-key-black{width:28px;height:100px;background:linear-gradient(180deg,#404040,#171717);border-radius:0 0 var(--radius-sm) var(--radius-sm);position:absolute;z-index:1;margin-left:-14px}.piano-key-black:hover{background:linear-gradient(180deg,#525252,#262626)}.piano-key-black:active,.piano-key-black.active{background:linear-gradient(180deg,var(--color-gold) 0%,var(--color-gold-dark) 100%)}.alert{padding:var(--spacing-md) var(--spacing-lg);border-radius:var(--radius-md);margin-bottom:var(--spacing-lg);display:flex;align-items:center;gap:var(--spacing-md)}.alert-success{background:#22c55e1a;border:1px solid var(--color-success);color:var(--color-success)}.alert-error{background:#ef44441a;border:1px solid var(--color-error);color:var(--color-error)}.alert-warning{background:#f59e0b1a;border:1px solid var(--color-warning);color:var(--color-warning)}.alert-info{background:#3b82f61a;border:1px solid var(--color-info);color:var(--color-info)}.loading{display:flex;align-items:center;justify-content:center;padding:var(--spacing-2xl)}.spinner{width:40px;height:40px;border:3px solid var(--color-gray-800);border-top-color:var(--color-gold);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn var(--transition-normal) ease-out}.animate-slide-up{animation:slideUp var(--transition-normal) ease-out}.text-center{text-align:center}.text-left{text-align:left}.text-right{text-align:right}.mt-sm{margin-top:var(--spacing-sm)}.mt-md{margin-top:var(--spacing-md)}.mt-lg{margin-top:var(--spacing-lg)}.mt-xl{margin-top:var(--spacing-xl)}.mb-sm{margin-bottom:var(--spacing-sm)}.mb-md{margin-bottom:var(--spacing-md)}.mb-lg{margin-bottom:var(--spacing-lg)}.mb-xl{margin-bottom:var(--spacing-xl)}.w-full{width:100%}.h-full{height:100%}.hidden{display:none}.visible{visibility:visible}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse at top,var(--color-gray-900) 0%,var(--color-black) 100%)}.auth-container{width:100%;max-width:420px;padding:var(--spacing-xl)}.auth-logo{text-align:center;margin-bottom:var(--spacing-2xl)}.auth-logo h1{font-family:var(--font-display);font-size:2.5rem;color:var(--color-gold);margin-bottom:var(--spacing-sm)}.auth-logo p{color:var(--color-gray-400)}.auth-card{background:#171717cc;border:1px solid var(--color-gray-800);border-radius:var(--radius-lg);padding:var(--spacing-2xl);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.auth-footer{text-align:center;margin-top:var(--spacing-lg);color:var(--color-gray-500);font-size:.875rem}.dashboard-header{margin-bottom:var(--spacing-2xl)}.dashboard-welcome{font-family:var(--font-display);font-size:1.5rem;color:var(--color-gray-300)}.dashboard-welcome strong{color:var(--color-gold)}.dashboard-grid{display:grid;gap:var(--spacing-lg);grid-template-columns:2fr 1fr}@media (max-width: 968px){.dashboard-grid{grid-template-columns:1fr}}.waiting-page{min-height:80vh;display:flex;align-items:center;justify-content:center;text-align:center}.waiting-icon{font-size:4rem;margin-bottom:var(--spacing-lg)}.waiting-title{font-family:var(--font-display);font-size:1.5rem;color:var(--color-gold);margin-bottom:var(--spacing-md)}.waiting-text{color:var(--color-gray-400);max-width:400px;margin:0 auto}