@import"https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&family=Inter:wght@400;500;600&display=swap";:root{--primary: #6366F1;--secondary: #0EA5E9;--accent: #F59E0B;--background: #0F172A;--surface: #1E293B;--surface-light: #334155;--text-primary: #F8FAFC;--text-secondary: #94A3B8;--success: #10B981;--error: #EF4444;--shadow: 0 4px 20px rgba(0, 0, 0, .3);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .4)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,sans-serif;background-color:var(--background);color:var(--text-primary);min-height:100vh;line-height:1.6}h1,h2,h3,h4,h5,h6{font-family:Poppins,sans-serif;font-weight:700}h1{font-size:48px}h2{font-size:36px}h3{font-size:24px}a{text-decoration:none;color:inherit}button{font-family:Poppins,sans-serif;cursor:pointer;border:none;outline:none}input,select,textarea{font-family:Inter,sans-serif;outline:none}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes 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var(--surface-light)}.panel-content{margin-left:0}.class-selector,.hero-buttons{flex-direction:column}.slider-arrow{width:44px;height:44px}.slider-arrow-left{left:12px}.slider-arrow-right{right:12px}}.toast{position:fixed;bottom:24px;right:24px;padding:18px 28px;border-radius:14px;color:var(--text-primary);font-weight:500;z-index:10000;animation:slideIn .3s ease;box-shadow:0 8px 25px #0003}.toast.success{background:var(--success)}.toast.error{background:var(--error)}.spinner{width:48px;height:48px;border:4px solid var(--surface-light);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-container{display:flex;justify-content:center;align-items:center;min-height:400px}.empty-state{text-align:center;padding:80px 20px}.empty-state svg{color:var(--text-secondary);margin-bottom:20px}.empty-state h3{margin-bottom:12px}.empty-state 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