:root{--violet: #7C5CFC;--violet-light: #8B6FF7;--violet-lighter: #A78BFA;--violet-dim: #6A4EE0;--coral: #FF6B6B;--coral-light: #FF8A8A;--coral-dim: #E55A5A;--teal: #14B8A6;--teal-light: #2DD4BF;--teal-dim: #0D9488;--amber: #F59E0B;--amber-light: #FBBF24;--amber-dim: #D97706;--bg-page: #f5f5f7;--bg-content: #ffffff;--bg-glass: rgba(255, 255, 255, .7);--bg-glass-l2: rgba(255, 255, 255, .5);--bg-glass-l3: rgba(255, 255, 255, .9);--bg-hover: rgba(0, 0, 0, .04);--text-primary: #1d1d1f;--text-secondary: #6e6e73;--text-tertiary: #86868b;--border-glass: rgba(0, 0, 0, .08);--border-strong: rgba(0, 0, 0, .16);--green: #30d158;--red: #ef4444;--orange: #ff9f0a;--r-sm: 6px;--r-md: 8px;--r-lg: 10px;--r-xl: 14px;--r-full: 9999px;--font-display: "Space Grotesk", system-ui, sans-serif;--font-body: "Inter", system-ui, sans-serif;--font-mono: "JetBrains Mono", monospace}.dark{--bg-page: #1c1c1e;--bg-content: #2c2c2e;--bg-glass: rgba(44, 44, 46, .8);--bg-glass-l2: rgba(44, 44, 46, .6);--bg-glass-l3: rgba(60, 60, 62, .9);--bg-hover: rgba(255, 255, 255, .08);--text-primary: #f5f5f7;--text-secondary: #98989d;--text-tertiary: #6e6e73;--border-glass: rgba(255, 255, 255, .08);--border-strong: rgba(255, 255, 255, .16);--violet: #A78BFA;--violet-light: #B99CFF;--coral: #FF8A8A;--teal: #2DD4BF;--amber: #FBBF24}html{font-family:var(--font-body);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background:var(--bg-page);color:var(--text-primary);min-height:100vh;transition:background-color .3s ease,color .3s ease}.bg-chroma-mesh{background:radial-gradient(ellipse 80% 60% at 0% 20%,rgba(124,92,252,.06) 0%,transparent 60%),radial-gradient(ellipse 60% 50% at 100% 10%,rgba(255,107,107,.05) 0%,transparent 50%),radial-gradient(ellipse 50% 40% at 50% 100%,rgba(20,184,166,.04) 0%,transparent 50%),var(--bg-page)}.dark .bg-chroma-mesh{background:radial-gradient(ellipse 80% 60% at 0% 20%,rgba(124,92,252,.12) 0%,transparent 60%),radial-gradient(ellipse 60% 50% at 100% 10%,rgba(255,107,107,.08) 0%,transparent 50%),radial-gradient(ellipse 50% 40% at 50% 100%,rgba(20,184,166,.06) 0%,transparent 50%),var(--bg-page)}.glass-panel{background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:var(--r-lg);border:.5px solid var(--border-glass);box-shadow:0 0 0 .5px #0000000a,0 1px 3px #0000000a;transition:box-shadow .2s ease,transform .2s ease,background .3s ease}.glass-panel-elevated{background:var(--bg-glass);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-radius:var(--r-lg);border:.5px solid var(--border-glass);box-shadow:0 4px 12px #00000014,inset 0 .5px #ffffff4d;transition:box-shadow .2s ease,transform .2s ease,background .3s ease}.glass-panel-hover:hover{box-shadow:0 0 0 .5px #0000000f,0 2px 8px #0000000f;transform:translateY(-1px)}.dark .glass-panel-hover:hover{box-shadow:0 0 0 .5px #ffffff0f,0 2px 8px #0000004d}.glass-panel-accent-top{border-top:2.5px solid var(--violet);border-top-left-radius:var(--r-lg);border-top-right-radius:var(--r-lg)}.chroma-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-family:var(--font-body);font-size:13px;font-weight:500;padding:8px 18px;border-radius:var(--r-sm);border:.5px solid transparent;cursor:pointer;transition:all .15s ease;line-height:1;white-space:nowrap;-webkit-user-select:none;user-select:none}.chroma-btn:disabled{opacity:.4;cursor:not-allowed}.chroma-btn-primary{background:linear-gradient(135deg,var(--violet),var(--violet-dim));color:#fff;border-color:transparent;box-shadow:0 1px 3px #7c5cfc40}.chroma-btn-primary:hover:not(:disabled){box-shadow:0 2px 8px #7c5cfc59;transform:translateY(-.5px)}.chroma-btn-ghost{background:var(--bg-glass);color:var(--text-secondary);border-color:var(--border-glass)}.chroma-btn-ghost:hover:not(:disabled){background:var(--bg-hover);color:var(--text-primary)}.chroma-btn-danger{background:linear-gradient(135deg,var(--coral),var(--coral-dim));color:#fff}.chroma-btn-sm{font-size:12px;padding:5px 14px}.chroma-btn-full{width:100%}.chroma-btn-icon{font-size:16px;line-height:1}.chroma-btn-spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:chroma-spin .6s linear infinite}.hearts-display{display:inline-flex;align-items:center}.hearts-display-heart{display:inline-flex;align-items:center;justify-content:center;transition:transform .2s ease}.hearts-display-heart.active{color:var(--red)}.hearts-display-heart.lost{color:var(--text-tertiary);opacity:.5}.hearts-display-animate{animation:chroma-heart-pop .35s cubic-bezier(.175,.885,.32,1.275) forwards}.stat-card{padding:16px;text-align:center}.stat-card-compact{padding:12px}.stat-card-accent{border-top:2.5px solid var(--violet)}.stat-icon{font-size:20px;color:var(--text-tertiary);margin-bottom:6px;display:block}.stat-value{font-family:var(--font-display);font-size:24px;font-weight:700;letter-spacing:-.8px;line-height:1;font-variant-numeric:tabular-nums;color:var(--text-primary)}.stat-label{font-size:11px;color:var(--text-tertiary);margin-top:4px;font-weight:500}.stat-subtitle{font-size:10px;color:var(--text-tertiary);margin-top:2px;opacity:.7}.chroma-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:50;padding:16px;animation:fadeIn .2s ease-out}.chroma-modal{background:var(--bg-content);border-radius:var(--r-xl);box-shadow:0 12px 40px #0000001f;max-width:400px;width:100%;position:relative;animation:slideUp .25s ease-out}.chroma-modal-close{position:absolute;top:12px;right:12px;width:28px;height:28px;border-radius:50%;border:none;background:var(--bg-hover);color:var(--text-tertiary);cursor:pointer;display:flex;align-items:center;justify-content:center;font-family:var(--font-body);font-size:14px;transition:all .15s}.chroma-modal-close:hover{background:#00000014;color:var(--text-primary)}.chroma-input{width:100%;font-family:var(--font-body);font-size:16px;padding:10px 14px;border-radius:var(--r-sm);border:.5px solid var(--border-strong);background:var(--bg-content);color:var(--text-primary);outline:none;transition:border-color .2s,box-shadow .2s;text-align:center}.chroma-input:focus{border-color:var(--violet);box-shadow:0 0 0 3px #7c5cfc26}.chroma-input-full{width:100%}.chroma-input::placeholder{color:var(--text-tertiary)}.chroma-badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:4px;font-size:11px;font-weight:500}.chroma-badge-correct{background:#30d1581f;color:var(--green)}.chroma-badge-wrong{background:#ef44441f;color:var(--red)}.chroma-tabs-bar{display:flex;gap:0;background:var(--bg-glass-l2);border-radius:var(--r-full);padding:3px}.chroma-tab{flex:1;padding:6px 14px;border:none;background:none;border-radius:var(--r-full);font-family:var(--font-body);font-size:12px;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:all .15s;white-space:nowrap}.chroma-tab:hover{color:var(--text-primary)}.chroma-tab-active{background:var(--bg-glass-l3);color:var(--violet);font-weight:600;box-shadow:0 1px 3px #0000000f}.chroma-skeleton{background:linear-gradient(90deg,var(--bg-hover) 25%,var(--bg-glass-l2) 50%,var(--bg-hover) 75%);background-size:200% 100%;animation:chroma-shimmer 1.5s ease-in-out infinite;border-radius:var(--r-sm)}.chroma-shake{animation:chroma-shake .4s ease-in-out}.chroma-bg-hover{background:var(--bg-hover)}@keyframes chroma-shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}@keyframes chroma-heart-pop{0%{transform:scale(0);opacity:0}60%{transform:scale(1.2)}to{transform:scale(1);opacity:1}}@keyframes chroma-spin{to{transform:rotate(360deg)}}@keyframes chroma-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.chroma-text-primary{color:var(--text-primary)}.chroma-text-secondary{color:var(--text-secondary)}.chroma-text-tertiary{color:var(--text-tertiary)}.chroma-text-violet{color:var(--violet)}.chroma-text-amber{color:var(--amber)}.chroma-text-green{color:var(--green)}.chroma-text-red{color:var(--red)}.chroma-text-coral{color:var(--coral)}.chroma-link{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:var(--r-full);font-size:13px;font-weight:500;transition:all .15s ease;text-decoration:none;cursor:pointer;background:#f59e0b1a;color:var(--amber)}.chroma-link:hover{background:#f59e0b33;color:var(--amber-light)}.chroma-link:active{transform:translateY(0)}.chroma-text-balance{text-wrap:balance}.chroma-text-pretty{text-wrap:pretty}.chroma-flex{display:flex}.chroma-flex-col{flex-direction:column}.chroma-flex-wrap{flex-wrap:wrap}.chroma-inline-flex{display:inline-flex}.chroma-items-center{align-items:center}.chroma-justify-between{justify-content:space-between}.chroma-justify-center{justify-content:center}.chroma-grid{display:grid}.chroma-grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.chroma-w-full{width:100%}.chroma-max-w-full{max-width:100%}.chroma-max-w-md{max-width:28rem}.chroma-min-h-screen{min-height:100vh}.chroma-relative{position:relative}.chroma-text-center{text-align:center}.chroma-align-middle{vertical-align:middle}.chroma-font-display{font-family:var(--font-display)}.chroma-font-bold{font-weight:700}.chroma-font-semibold{font-weight:600}.chroma-text-xs{font-size:.75rem;line-height:1rem}.chroma-text-sm{font-size:.875rem;line-height:1.25rem}.chroma-text-base{font-size:1rem;line-height:1.5rem}.chroma-text-xl{font-size:1.25rem;line-height:1.75rem}.chroma-text-3xl{font-size:1.875rem;line-height:2.25rem}@media (min-width: 768px){.chroma-md-text-base{font-size:1rem;line-height:1.5rem}}.chroma-rounded-sm{border-radius:var(--r-sm)}.chroma-rounded-lg{border-radius:var(--r-lg)}.chroma-transition-colors{transition:background-color .3s ease,color .3s ease}.chroma-duration-300{transition-duration:.3s}.chroma-mb-1{margin-bottom:.25rem}.chroma-mb-2{margin-bottom:.5rem}.chroma-mb-3{margin-bottom:.75rem}.chroma-mb-4{margin-bottom:1rem}.chroma-mb-5{margin-bottom:1.25rem}.chroma-mt-1{margin-top:.25rem}.chroma-mt-3{margin-top:.75rem}.chroma-mt-4{margin-top:1rem}.chroma-mt-6{margin-top:1.5rem}.chroma-mr-1{margin-right:.25rem}.chroma-mr-1h{margin-right:.375rem}.chroma-px-4{padding-left:1rem;padding-right:1rem}.chroma-py-6{padding-top:1.5rem;padding-bottom:1.5rem}.chroma-p-3{padding:.75rem}.chroma-gap-1h{gap:.375rem}.chroma-gap-2{gap:.5rem}.chroma-gap-3{gap:.75rem}.chroma-space-y-0h>*+*{margin-top:.125rem}.chroma-space-y-1>*+*{margin-top:.25rem}.chroma-space-y-3>*+*{margin-top:.75rem}