@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--primary-color:#6366f1;--primary-hover:#4f46e5;--bg-color:#0f172a;--card-bg:#1e293bb3;--text-primary:#f8fafc;--text-secondary:#94a3b8;--border-color:#ffffff1a;--glass-shadow:0 8px 32px 0 #0000005e}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-primary);background-image:radial-gradient(at 0 0,#6366f126 0,#0000 50%),radial-gradient(at 100% 100%,#8b5cf626 0,#0000 50%);justify-content:center;align-items:center;min-height:100vh;font-family:Inter,sans-serif;display:flex}#root{width:100%;max-width:800px;padding:2rem}.app-container{flex-direction:column;gap:2rem;width:100%;display:flex}.header{text-align:center;margin-bottom:1rem}.header h1{background:linear-gradient(90deg,#818cf8,#c084fc);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.5rem;font-size:2.5rem;font-weight:700}.header p{color:var(--text-secondary);font-size:1.1rem}.glass-card{background:var(--card-bg);-webkit-backdrop-filter:blur(12px);border:1px solid var(--border-color);box-shadow:var(--glass-shadow);border-radius:1rem;padding:2rem;transition:transform .3s,box-shadow .3s}.glass-card:hover{transform:translateY(-2px);box-shadow:0 12px 40px #00000073}.form-group{flex-direction:column;gap:.5rem;margin-bottom:1.5rem;display:flex}.form-group label{color:var(--text-secondary);font-size:.9rem;font-weight:500}.form-control{border:1px solid var(--border-color);color:var(--text-primary);background:#0f172a99;border-radius:.5rem;outline:none;padding:.75rem 1rem;font-family:Inter,sans-serif;font-size:1rem;transition:all .2s}.form-control:focus{border-color:var(--primary-color);background:#0f172acc;box-shadow:0 0 0 2px #6366f133}.btn{background:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:.5rem;width:100%;padding:.75rem 1.5rem;font-family:Inter,sans-serif;font-size:1rem;font-weight:600;transition:all .2s}.btn:hover{background:var(--primary-hover);transform:translateY(-1px)}.btn:active{transform:translateY(1px)}.btn:disabled{background:var(--text-secondary);cursor:not-allowed;transform:none}.message{border-radius:.5rem;margin-bottom:1.5rem;padding:1rem;font-size:.95rem;animation:.3s fadeIn}.message.success{color:#34d399;background:#10b9811a;border:1px solid #10b98133}.message.error{color:#f87171;background:#ef44441a;border:1px solid #ef444433}.student-list{flex-direction:column;gap:1rem;margin-top:2rem;display:flex}.student-item{border:1px solid var(--border-color);background:#ffffff08;border-radius:.5rem;justify-content:space-between;align-items:center;padding:1rem;transition:all .2s;display:flex}.student-item:hover{background:#ffffff0d;border-color:#fff3}.student-info{flex-direction:column;gap:.25rem;display:flex}.student-name{font-size:1.1rem;font-weight:600}.student-number{color:var(--text-secondary);font-size:.9rem}.student-badge{color:#818cf8;background:#6366f133;border-radius:999px;padding:.25rem .75rem;font-size:.8rem;font-weight:600}.empty-state{text-align:center;color:var(--text-secondary);padding:2rem;font-style:italic}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.spinner{border:3px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:1.5rem;height:1.5rem;animation:1s ease-in-out infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}