:root{--primary: #6366F1;--primary-light: #818CF8;--primary-dark: #4F46E5;--primary-glow: rgba(99, 102, 241, .4);--success: #10B981;--success-light: #34D399;--success-glow: rgba(16, 185, 129, .4);--warning: #F59E0B;--warning-light: #FBBF24;--danger: #EF4444;--danger-light: #F87171;--bg-gradient-1: #667eea;--bg-gradient-2: #764ba2;--bg-gradient-3: #f093fb;--card-bg: rgba(255, 255, 255, .97);--card-bg-glass: rgba(255, 255, 255, .85);--text-primary: #1F2937;--text-secondary: #6B7280;--text-light: #9CA3AF;--border-color: rgba(0, 0, 0, .06);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 4px 16px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);--shadow-xl: 0 12px 48px rgba(0, 0, 0, .15);--shadow-glow-primary: 0 0 40px rgba(99, 102, 241, .25);--shadow-glow-success: 0 0 40px rgba(16, 185, 129, .25);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 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50%}}.app{min-height:100vh;padding:24px}.container{max-width:900px;margin:0 auto}.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{background:var(--card-bg);backdrop-filter:blur(20px);padding:48px 40px;border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);width:100%;max-width:440px;border:1px solid rgba(255,255,255,.3);animation:cardEntrance .6s ease-out}@keyframes cardEntrance{0%{opacity:0;transform:translateY(30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.auth-card h1{text-align:center;font-size:36px;font-weight:700;margin-bottom:12px;background:linear-gradient(135deg,var(--primary),var(--bg-gradient-2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.auth-card .subtitle{text-align:center;color:var(--text-secondary);margin-bottom:32px;font-size:15px}.form-group{margin-bottom:20px}.form-group 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#ef44444d}.stats-cards-wrapper{position:relative;z-index:1}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:32px}.stat-card{padding:24px;border-radius:var(--radius-xl);text-align:left;transition:all .4s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden;cursor:pointer;display:flex;align-items:center;gap:16px}.stat-card:before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,.4),transparent);opacity:0;transition:opacity .3s}.stat-card:hover:before{opacity:1}.stat-card:hover{transform:translateY(-6px) scale(1.02)}.stat-card .stat-glow{position:absolute;top:-20px;right:-20px;width:100px;height:100px;border-radius:50%;opacity:.15;filter:blur(30px);transition:opacity .3s}.stat-card:hover .stat-glow{opacity:.3}.stat-card.streak{background:linear-gradient(135deg,#fffbeb,#fef3c7);border:1px solid rgba(251,191,36,.3)}.stat-card.streak .stat-glow{background:#f59e0b}.stat-card.streak 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