@import "https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Pretendard:wght@300;400;500;600;700&display=swap";
:root{--primary:#6366f1;--primary-dark:#4f46e5;--primary-light:#a5b4fc;--secondary:#06b6d4;--accent:#f59e0b;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--bg-dark:#07090f;--bg-card:#0f131e;--bg-card2:#192031;--bg-input:#121724;--border:#6366f140;--border-light:#94a3b81f;--text-primary:#f8fafc;--text-secondary:#94a3b8;--text-muted:#64748b;--shadow-glow:0 8px 32px #6366f11f;--shadow-card:0 12px 32px #0000004d;--radius:20px;--radius-sm:12px;--ease-out-quint:cubic-bezier(.22, 1, .36, 1)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background-color:var(--bg-dark);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;font-family:Pretendard,Plus Jakarta Sans,-apple-system,sans-serif}:focus-visible{outline:2px solid var(--primary);outline-offset:4px;border-radius:4px}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#6366f166;border-radius:100px}::-webkit-scrollbar-thumb:hover{background:#6366f1b3}@keyframes fadeUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes pulse-glow{0%,to{box-shadow:0 0 20px #6366f14d}50%{box-shadow:0 0 40px #6366f199}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}@keyframes shimmer{0%{background-position:-1000px 0}to{background-position:1000px 0}}@keyframes typing{0%,to{opacity:1}50%{opacity:0}}.animate-fade-up{animation:.5s forwards fadeUp}.animate-fade-in{animation:.4s forwards fadeIn}.animate-float{animation:3s ease-in-out infinite float}.animate-pulse-glow{animation:2s ease-in-out infinite pulse-glow}.card{background:var(--bg-card);border:1px solid var(--border-light);border-radius:var(--radius);box-shadow:var(--shadow-card);transition:transform .4s var(--ease-out-quint), box-shadow .4s var(--ease-out-quint), border-color .4s var(--ease-out-quint);padding:24px}.card:hover{border-color:var(--border);box-shadow:var(--shadow-glow), var(--shadow-card);transform:translateY(-2px)}.card-glass{-webkit-backdrop-filter:blur(20px);border:1px solid var(--border-light);border-radius:var(--radius);background:#16162acc}.btn{border-radius:var(--radius-sm);cursor:pointer;transition:transform .3s var(--ease-out-quint), background-color .3s var(--ease-out-quint), box-shadow .3s var(--ease-out-quint);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:15px;font-weight:600;text-decoration:none;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--primary), var(--primary-dark));color:#fff;box-shadow:0 4px 15px #6366f166}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px #6366f180}.btn-primary:active{transform:translateY(0)}.btn-secondary{color:var(--primary-light);border:1px solid var(--border);background:#6366f11f}.btn-secondary:hover{background:#6366f133;transform:translateY(-1px)}.btn-ghost{color:var(--text-secondary);border:1px solid var(--border-light);background:0 0}.btn-ghost:hover{color:var(--text-primary);border-color:var(--border);background:#ffffff0d}.btn-danger{color:#fca5a5;background:#ef44441f;border:1px solid #ef44444d}.btn-danger:hover{background:#ef444433}.btn-lg{border-radius:var(--radius);padding:16px 32px;font-size:16px}.btn-sm{padding:8px 16px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.form-group{flex-direction:column;gap:8px;display:flex}.form-label{color:var(--text-secondary);font-size:14px;font-weight:500}.form-input{background:var(--bg-input);border:1px solid var(--border-light);border-radius:var(--radius-sm);color:var(--text-primary);transition:border-color .3s var(--ease-out-quint), box-shadow .3s var(--ease-out-quint);outline:none;width:100%;padding:14px 16px;font-family:inherit;font-size:15px}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #6366f126}.form-input::placeholder{color:var(--text-muted)}.form-error{color:#fca5a5;font-size:13px}.badge{border-radius:100px;align-items:center;padding:4px 12px;font-size:12px;font-weight:600;display:inline-flex}.badge-primary{color:var(--primary-light);background:#6366f126;border:1px solid #6366f14d}.badge-english{color:#67e8f9;background:#06b6d426;border:1px solid #06b6d44d}.badge-math{color:#fcd34d;background:#f59e0b26;border:1px solid #f59e0b4d}.badge-science{color:#6ee7b7;background:#10b98126;border:1px solid #10b9814d}.badge-history{color:#fca5a5;background:#ef444426;border:1px solid #ef44444d}.subject-english{color:#67e8f9}.subject-math{color:#fcd34d}.subject-science{color:#6ee7b7}.subject-history{color:#fca5a5}.gradient-text{background:linear-gradient(135deg, var(--primary-light), var(--secondary));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.skeleton{background:linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card2) 50%, var(--bg-card) 75%);border-radius:var(--radius-sm);background-size:1000px 100%;animation:1.5s infinite shimmer}.divider{background:var(--border-light);height:1px;margin:20px 0}@media (max-width:768px){.card{padding:16px}.btn{padding:10px 20px}}