:root{--primary:#f97316;--primary-light:#fdba74;--secondary:#0ea5e9;--secondary-light:#7dd3fc;--accent:#84cc16;--bg-main:#f8fafc;--bg-card:#fff;--text-main:#334155;--text-muted:#94a3b8;--success:#10b981;--danger:#ef4444;--warning:#f59e0b;--radius-sm:12px;--radius-md:18px;--radius-lg:24px;--shadow-sm:0 4px 6px -1px #0000001a;--shadow-md:0 10px 15px -3px #0000001a;--shadow-float:0 20px 25px -5px #0000001a, 0 10px 10px -5px #0000000a;--transition:all .3s cubic-bezier(.4, 0, .2, 1)}body{color:var(--text-main);-webkit-font-smoothing:antialiased;background-color:#e0f2fe;background-image:radial-gradient(#bae6fd 2px,#0000 2px);background-size:30px 30px;margin:0;font-family:Nunito,Segoe UI,Tahoma,Geneva,Verdana,sans-serif}*{box-sizing:border-box}a{color:inherit;text-decoration:none}button{cursor:pointer;background:0 0;border:none;font-family:inherit}@keyframes bounce-sm{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}@keyframes popIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.animate-pop{animation:.4s cubic-bezier(.175,.885,.32,1.275) forwards popIn}input,textarea,select{font-family:inherit;font-size:1rem}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:#ffffff80;border-radius:10px}::-webkit-scrollbar-thumb{background:var(--secondary-light);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--secondary)}.btn{border-radius:var(--radius-md);transition:var(--transition);text-transform:uppercase;letter-spacing:1px;justify-content:center;align-items:center;padding:.8rem 1.5rem;font-size:1.1rem;font-weight:800;display:inline-flex}.btn-primary{background-color:var(--primary);color:#fff;box-shadow:0 6px #c2410c,0 10px 10px #0000001a}.btn-primary:hover{transform:translateY(2px);box-shadow:0 4px #c2410c,0 5px 5px #0000001a}.btn-primary:active{transform:translateY(6px);box-shadow:0 0 #c2410c}.btn-secondary{background-color:var(--secondary);color:#fff;box-shadow:0 6px #0369a1,0 10px 10px #0000001a}.btn-secondary:hover{transform:translateY(2px);box-shadow:0 4px #0369a1,0 5px 5px #0000001a}.btn-secondary:active{transform:translateY(6px);box-shadow:0 0 #0369a1}.card-student{border-radius:var(--radius-lg);box-shadow:var(--shadow-float);background:#fff;border:4px solid #fff;padding:2rem}.student-auth-container{justify-content:center;align-items:center;width:100vw;height:100vh;padding:1rem;display:flex}.auth-card{text-align:center;width:100%;max-width:450px;position:relative}.mascot{background-color:var(--secondary);width:120px;height:120px;box-shadow:var(--shadow-sm);border:6px solid #fff;border-radius:50%;justify-content:center;align-items:center;font-size:4rem;animation:3s ease-in-out infinite bounce-sm;display:flex;position:absolute;top:-60px;left:50%;transform:translate(-50%)}.auth-card h2{color:var(--secondary);margin-top:40px;font-size:2rem;font-weight:900}.form-group{text-align:left;margin-bottom:1.5rem}.form-group label{color:var(--text-main);margin-bottom:.5rem;font-weight:800;display:block}.form-control{border-radius:var(--radius-sm);width:100%;color:var(--text-main);transition:var(--transition);background:#f8fafc;border:3px solid #e2e8f0;padding:1rem;font-weight:600}.form-control:focus{border-color:var(--secondary);box-shadow:0 0 0 4px var(--secondary-light);background:#fff;outline:none}.btn-block{width:100%;margin-top:1rem}.student-layout{flex-direction:column;min-height:100vh;display:flex}.student-navbar{border-bottom:4px solid var(--secondary);height:80px;box-shadow:var(--shadow-sm);background:#fff;justify-content:space-between;align-items:center;padding:0 2rem;display:flex}.brand{color:var(--primary);align-items:center;gap:10px;font-size:1.5rem;font-weight:900;display:flex}.student-main{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:2rem}.navbar-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.user-badge{color:var(--secondary);white-space:nowrap;border:2px solid var(--secondary-light);background:#e0f2fe;border-radius:20px;padding:.3rem .8rem;font-size:.9rem;font-weight:700}.nav-btn{white-space:nowrap;font-weight:700;color:#475569!important;background:#f1f5f9!important;border:2px solid #0000!important;border-radius:8px!important;padding:.4rem .8rem!important;font-size:.8rem!important;transition:all .25s!important}.nav-btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0ea5e94d;background:var(--secondary)!important;color:#fff!important;border-color:var(--secondary)!important}.notif-bell-wrapper{position:relative}.notif-bell-btn{cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:1.2rem;transition:all .25s;display:flex;position:relative;border:2px solid var(--secondary-light)!important;background:#e0f2fe!important;padding:0!important}.notif-bell-btn:hover{transform:scale(1.1);background:var(--secondary)!important}.notif-badge{color:#fff;text-align:center;pointer-events:none;background:#ef4444;border-radius:99px;min-width:16px;height:16px;padding:0 3px;font-size:.55rem;font-weight:800;line-height:16px;animation:.3s popIn;position:absolute;top:-4px;right:-4px}.notif-dropdown{z-index:1000;background:#fff;border:3px solid #e2e8f0;border-radius:16px;width:300px;max-height:380px;animation:.2s fadeSlideDown;position:absolute;top:calc(100% + 8px);right:-50px;overflow:hidden;box-shadow:0 10px 40px #0000002e}.notif-dropdown-header{color:var(--secondary);border-bottom:2px solid #f1f5f9;justify-content:space-between;align-items:center;padding:.7rem 1rem;font-size:.9rem;display:flex}.notif-clear-btn{color:var(--secondary);cursor:pointer;font-size:.7rem;font-weight:700}.notif-clear-btn:hover{color:var(--danger)}.notif-dropdown-body{max-height:310px;overflow-y:auto}.notif-empty{text-align:center;color:var(--text-muted);padding:1.5rem 1rem}.notif-empty p{margin:.5rem 0 0;font-size:.8rem}.notif-item{cursor:pointer;border-bottom:1px solid #f8fafc;gap:.6rem;padding:.6rem .8rem;transition:background .15s;display:flex}.notif-item:hover{background:#f0f9ff}.notif-item.notif-unread{background:#eff6ff}.notif-item-icon{flex-shrink:0;margin-top:2px;font-size:1.2rem}.notif-item-content{flex:1;min-width:0}.notif-item-msg{color:var(--text-main);font-size:.78rem;font-weight:600;line-height:1.4}.notif-item-time{color:var(--text-muted);margin-top:2px;font-size:.65rem}@keyframes fadeSlideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.tooltip-wrapper{display:inline-flex;position:relative}.tooltip-text{visibility:hidden;opacity:0;color:#fff;white-space:nowrap;z-index:100;pointer-events:none;background:#1e293b;border-radius:6px;padding:.35rem .8rem;font-size:.75rem;font-weight:600;transition:all .2s;position:absolute;bottom:-36px;left:50%;transform:translate(-50%)translateY(-4px)}.tooltip-text:before{content:"";border:5px solid #0000;border-top-width:0;border-bottom-color:#1e293b;position:absolute;top:-5px;left:50%;transform:translate(-50%)}.tooltip-wrapper:hover .tooltip-text{visibility:visible;opacity:1;transform:translate(-50%)translateY(0)}@media (width<=768px){.student-navbar{flex-wrap:wrap;gap:.5rem;height:auto;min-height:60px;padding:.7rem 1rem}.brand{gap:6px;font-size:1.1rem}.brand span:first-child{font-size:1.5rem!important}.student-main{padding:1rem}.card-student{padding:1.5rem}.student-auth-container{padding:.8rem}.auth-card{max-width:100%}.auth-card h2{font-size:1.6rem}.mascot{width:90px;height:90px;font-size:3rem;top:-45px}.form-control{padding:.8rem;font-size:.95rem}.btn{padding:.7rem 1.2rem;font-size:.95rem}}@media (width<=480px){.student-navbar{padding:.5rem .7rem}.brand{font-size:.95rem}.student-main{padding:.7rem}.card-student{border-radius:var(--radius-md);padding:1rem}.auth-card h2{margin-top:30px;font-size:1.3rem}.mascot{border-width:4px;width:70px;height:70px;font-size:2.2rem;top:-35px}}