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"Outfit", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--font-size-3xl: 2rem;--font-size-4xl: 2.5rem;--font-size-5xl: 3rem;--border-width: 3px;--border-color: #00f0ff;--border-radius: 0;--shadow-brutal-sm: 4px 4px 0 var(--color-primary);--shadow-brutal-md: 6px 6px 0 var(--color-primary);--shadow-brutal-lg: 8px 8px 0 var(--color-primary);--shadow-brutal-xl: 12px 12px 0 var(--color-primary);--glass-bg: rgba(19, 24, 41, .75);--glass-border: rgba(255, 255, 255, .1);--glass-shadow: 0 8px 32px rgba(0, 0, 0, .4);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .4s cubic-bezier(.4, 0, .2, 1);--transition-bounce: .5s cubic-bezier(.68, -.55, .265, 1.55);--z-base: 1;--z-elevated: 10;--z-modal: 100;--z-toast: 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rotate(0);opacity:1}}.container{max-width:1400px;margin:0 auto;padding:0 var(--spacing-lg)}.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(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.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}}.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)}.p-sm{padding:var(--spacing-sm)}.p-md{padding:var(--spacing-md)}.p-lg{padding:var(--spacing-lg)}.p-xl{padding:var(--spacing-xl)}.transition-all{transition:all 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var(--spacing-md)}}.loading-screen{position:fixed;inset:0;background:var(--color-bg-dark);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-xl);z-index:9999;transition:opacity .5s ease-out}.loading-screen.hidden{opacity:0;pointer-events:none}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg);background:var(--bg-primary)}.auth-card{background:var(--bg-secondary);border:3px solid var(--border-color);box-shadow:var(--shadow-brutal);padding:var(--spacing-xl);max-width:450px;width:100%}.auth-header{text-align:center;margin-bottom:var(--spacing-xl)}.auth-header h1{font-size:2rem;margin-bottom:var(--spacing-sm);background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.auth-header p{color:var(--text-secondary)}.auth-form{display:flex;flex-direction:column;gap:var(--spacing-lg)}.form-group{display:flex;flex-direction:column;gap:var(--spacing-xs)}.form-group label{font-weight:600;font-size:.9rem;color:var(--text-primary)}.form-group input{padding:var(--spacing-md);background:var(--bg-primary);border:2px solid var(--border-color);border-radius:0;color:var(--text-primary);font-size:1rem;transition:all var(--transition-base)}.form-group input:focus{outline:none;border-color:var(--accent-primary);box-shadow:0 0 0 3px #5856d61a}.form-group small{font-size:.8rem;color:var(--text-secondary)}.error-message{padding:var(--spacing-md);background:#ef44441a;border:2px solid var(--error-color);color:var(--error-color);font-size:.9rem;display:none}.error-message:not(:empty){display:block}.auth-footer{margin-top:var(--spacing-lg);text-align:center}.auth-footer p{margin-bottom:var(--spacing-sm);color:var(--text-secondary)}.auth-footer a{color:var(--accent-primary);text-decoration:none;font-weight:600;transition:all var(--transition-base)}.auth-footer a:hover{color:var(--accent-secondary);text-decoration:underline}.demo-note{margin-top:var(--spacing-md);padding-top:var(--spacing-md);border-top:2px solid var(--border-color);font-size:.9rem}.btn-loader{display:inline-block;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-xl);font-family:var(--font-display);font-size:var(--font-size-base);font-weight:700;text-transform:uppercase;letter-spacing:.05em;border:var(--border-width) solid;background:transparent;cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden}.btn:before{content:"";position:absolute;inset:0;background:currentColor;opacity:0;transition:opacity var(--transition-fast)}.btn:hover:before{opacity:.1}.btn:active{transform:translate(4px,4px)}.btn-primary{color:var(--color-primary);border-color:var(--color-primary);box-shadow:var(--shadow-brutal-sm)}.btn-primary:hover{box-shadow:var(--shadow-brutal-md)}.btn-secondary{color:var(--color-secondary);border-color:var(--color-secondary);box-shadow:4px 4px 0 var(--color-secondary)}.btn-success{color:var(--color-success);border-color:var(--color-success);box-shadow:4px 4px 0 var(--color-success)}.btn-neon{color:var(--color-bg-dark);background:var(--gradient-primary);border-color:var(--color-primary);box-shadow:var(--shadow-brutal-md);position:relative}.btn-neon:after{content:"";position:absolute;inset:-2px;background:var(--gradient-primary);opacity:0;filter:blur(15px);z-index:-1;transition:opacity var(--transition-base)}.btn-neon:hover:after{opacity:.8}.btn-small{padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-sm)}.btn-large{padding:var(--spacing-lg) 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var(--color-primary)}.leaderboard-rank{font-size:var(--font-size-2xl);font-weight:900;font-family:var(--font-display)}.leaderboard-rank.top-1{color:gold}.leaderboard-rank.top-2{color:silver}.leaderboard-rank.top-3{color:#cd7f32}.leaderboard-user{display:flex;align-items:center;gap:var(--spacing-md)}.leaderboard-avatar{width:40px;height:40px;border-radius:50%;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;font-weight:700;border:2px solid var(--color-primary)}.leaderboard-name{font-weight:600}.leaderboard-score{font-size:var(--font-size-xl);font-weight:700;color:var(--color-primary)}.modal-overlay{position:fixed;inset:0;background:#050814e6;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;z-index:var(--z-modal);padding:var(--spacing-lg);animation:fadeIn .3s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--color-bg-card);border:var(--border-width) solid 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var(--glass-border);display:flex;gap:var(--spacing-md);justify-content:flex-end}.form-group{margin-bottom:var(--spacing-lg)}.form-label{display:block;margin-bottom:var(--spacing-sm);font-weight:600;color:var(--color-text-secondary)}.form-input{width:100%;padding:var(--spacing-md);background:var(--color-bg-darker);border:var(--border-width) solid var(--color-primary);color:var(--color-text-primary);font-family:var(--font-primary);font-size:var(--font-size-base);transition:all var(--transition-fast)}.form-input:focus{outline:none;box-shadow:var(--shadow-brutal-sm)}.form-input::placeholder{color:var(--color-text-muted)}.form-select{width:100%;padding:var(--spacing-md);background:var(--color-bg-darker);border:var(--border-width) solid var(--color-primary);color:var(--color-text-primary);font-family:var(--font-primary);font-size:var(--font-size-base);cursor:pointer}.form-checkbox{width:20px;height:20px;border:2px solid var(--color-primary);background:var(--color-bg-darker);cursor:pointer}.skill-tree{padding:var(--spacing-2xl);position:relative;min-height:600px}.skill-node{position:absolute;width:80px;height:80px;background:var(--color-bg-card);border:var(--border-width) solid var(--color-primary);box-shadow:var(--shadow-brutal-sm);display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-bounce)}.skill-node:hover{transform:scale(1.1);box-shadow:var(--shadow-brutal-md)}.skill-node.unlocked{border-color:var(--color-success);box-shadow:4px 4px 0 var(--color-success)}.skill-node.locked{opacity:.4;border-color:var(--color-text-muted);cursor:not-allowed}.skill-node-icon{font-size:var(--font-size-2xl);margin-bottom:var(--spacing-xs)}.skill-node-name{font-size:var(--font-size-xs);text-align:center;font-weight:700}.skill-connection{stroke:var(--color-primary);stroke-width:3;fill:none;opacity:.3}.skill-connection.unlocked{opacity:1;stroke:var(--color-success)}.toast-container{position:fixed;top:var(--spacing-xl);right:var(--spacing-xl);z-index:var(--z-toast);display:flex;flex-direction:column;gap:var(--spacing-md)}.toast{background:var(--color-bg-card);border:var(--border-width) solid;box-shadow:var(--shadow-brutal-md);padding:var(--spacing-md) var(--spacing-lg);min-width:300px;animation:slideInRight .3s ease-out}@keyframes 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