:root{--primary-green:#4CAF50;--primary-blue:#2196F3;--danger-red:#F44336;--success-green:#4CAF50;--warning-orange:#FF9800;--dark-bg:#0f172a;--light-bg:#ffffff;--text-dark:#1e293b;--text-light:#f8fafc;--border-color:#e2e8f0;--shadow-sm:0 2px 4px rgba(0,0,0,0.05);--shadow-md:0 4px 6px rgba(0,0,0,0.07);--shadow-lg:0 10px 25px rgba(0,0,0,0.1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--light-bg);color:var(--text-dark);line-height:1.6;overflow-x:hidden}.navbar{position:fixed;top:0;left:0;right:0;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-color);z-index:1000;padding:1rem 0}.nav-container{max-width:1200px;margin:0 auto;padding:0 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#334155;font-weight:500}.creator-link:hover{color:#fff;background:rgba(255,255,255,.1);border-color:#64748b;transform:translateY(-2px)}.student-alert{position:fixed;top:20px;right:20px;background:#fff;padding:1.25rem;border-radius:10px;box-shadow:var(--shadow-lg);display:none;z-index:1001;animation:slideIn .3s;max-width:400px;border-left:4px solid transparent}@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}.alert-content{display:flex;align-items:center;gap:1rem}.alert-content i{font-size:1.2rem}@media (max-width:1024px){.hero-container{gap:3rem}.hero-title{font-size:2.5rem}.parent-access-features{grid-template-columns:repeat(2,1fr)}.dashboard-preview{transform:perspective(1000px) rotateY(-10deg) rotateX(3deg)}.dashboard-preview:hover{transform:perspective(1000px) rotateY(-5deg) rotateX(1deg) translateY(-5px)}}@media (max-width:768px){.nav-container{padding:0 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