html{overflow-x:hidden;overflow-y:scroll}body{margin:0}*{box-sizing:border-box;font-family:Sarabun,sans-serif}h1,h2,h3,h4,h5,h6,p{color:#333;margin:0}svg{flex-shrink:0}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background-color:#3232321a;border-radius:10px}::-webkit-scrollbar-thumb{background:#e16464;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#ea3e3e}::-webkit-scrollbar-corner{background:transparent}.teacher-page{min-height:100vh;background:linear-gradient(135deg,#fef2f2,#f5f3ff,#eff6ff);padding:80px 20px 40px}.teacher-header{max-width:900px;margin:0 auto 30px;text-align:center}.teacher-header h1{font-size:clamp(1.3rem,4vw,2rem);color:#991b1b;margin-bottom:5px}.teacher-header p{color:#666;font-size:.9rem}.role-selector{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;max-width:900px;margin:0 auto 25px}.role-btn{padding:10px 20px;border:2px solid #dc2626;border-radius:30px;background:#fff;color:#dc2626;font-weight:600;cursor:pointer;transition:.2s;font-family:Sarabun,sans-serif;font-size:.9rem}.role-btn:hover{background:#fef2f2;transform:translateY(-1px)}.role-btn.active{background:#dc2626;color:#fff;box-shadow:0 4px 12px #dc26264d}.teacher-cards{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}.t-request-card{background:#fff;border-radius:14px;padding:20px;box-shadow:0 2px 12px #0000000f;border:1px solid #f3f4f6;transition:transform .2s,box-shadow .2s}.t-request-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0000001a}.t-card-header{display:flex;justify-content:space-between;align-items:flex-start;gap:10px;margin-bottom:10px;flex-wrap:wrap}.t-student-info h3{font-size:1.1rem;color:#111;margin-bottom:3px}.t-student-meta{color:#666;font-size:.85rem}.t-reason{background:#f9fafb;padding:10px 14px;border-radius:8px;color:#374151;margin:10px 0;font-size:.9rem;border-left:3px solid #dc2626}.t-timestamp{font-size:.75rem;color:#9ca3af}.t-approval-row{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0}.t-approval-chip{display:flex;align-items:center;gap:5px;padding:4px 10px;border-radius:20px;font-size:.75rem;font-weight:600;color:#fff}.t-actions{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}.t-btn{padding:10px 24px;border:none;border-radius:10px;font-weight:700;cursor:pointer;font-family:Sarabun,sans-serif;font-size:.95rem;transition:.2s;display:flex;align-items:center;gap:6px}.t-btn:hover{transform:translateY(-1px)}.t-btn-approve{background:#10b981;color:#fff;box-shadow:0 3px 10px #10b9814d}.t-btn-approve:hover{background:#059669}.t-btn-reject{background:#ef4444;color:#fff;box-shadow:0 3px 10px #ef44444d}.t-btn-reject:hover{background:#dc2626}.reject-modal-overlay{position:fixed;inset:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:200;padding:20px}.reject-modal{background:#fff;border-radius:16px;padding:30px;max-width:450px;width:100%;box-shadow:0 20px 60px #0003}.reject-modal h3{color:#ef4444;margin-bottom:15px}.reject-modal textarea{width:100%;min-height:100px;border:2px solid #e5e7eb;border-radius:10px;padding:12px;font-size:.95rem;font-family:Sarabun,sans-serif;resize:vertical;outline:none;transition:.2s}.reject-modal textarea:focus{border-color:#ef4444}.reject-modal-actions{display:flex;gap:10px;margin-top:15px;justify-content:flex-end}.teacher-login-gate{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#fef2f2,#f5f3ff,#eff6ff);padding:20px}.teacher-login-box{background:#fff;border-radius:20px;padding:40px;max-width:420px;width:100%;text-align:center;box-shadow:0 10px 40px #0000001a;border:2px solid #fecaca}.teacher-login-box img{width:70px;margin-bottom:15px}.teacher-login-box h2{color:#991b1b;margin-bottom:8px}.teacher-login-box p{color:#666;margin-bottom:20px;font-size:.9rem}.teacher-list div p{color:#fff}.empty-state{text-align:center;padding:60px 20px;color:#9ca3af}.empty-state .empty-icon{font-size:48px;margin-bottom:10px}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 767px){.teacher-page{padding:70px 10px 30px}.t-request-card{padding:14px}.t-actions{flex-direction:column}.t-btn{justify-content:center;width:100%}.role-btn{padding:8px 14px;font-size:.8rem}}@media (min-width: 768px) and (max-width: 1024px){.teacher-page{padding:80px 30px 40px}}