@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html,body{overflow-x:hidden}body{font-family:Inter,Segoe UI,sans-serif;background:#f3f4f6;min-height:100vh;color:#1f2937}.container{min-height:100vh;display:flex;justify-content:center;align-items:center;padding:40px}.login-card{width:100%;max-width:480px;background:#fff;border-radius:24px;padding:48px;box-shadow:0 4px 6px -1px #0000000a,0 10px 40px #00000014;animation:cardFadeIn .5s ease-out}@keyframes cardFadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}h1{color:#612d53;font-size:2rem;font-weight:800;text-align:center;margin-bottom:6px;letter-spacing:-.5px}h2{text-align:center;color:#6b7280;font-weight:500;font-size:1.05rem;margin-bottom:32px}.portal-description{text-align:center;color:#9ca3af;line-height:1.6;margin-bottom:24px;font-size:.9rem}.logo{width:100px;display:block;margin:0 auto 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h2{text-align:center;color:#7b8190;font-size:1.3rem;margin-bottom:40px}.student-info{margin-bottom:24px}.info-row{display:flex;align-items:center;gap:16px;margin-bottom:18px;font-size:1.05rem}.info-row i{color:#612d53;width:24px;text-align:center;font-size:1.1rem}.label{color:#612d53;font-weight:700;min-width:120px}.marks-table{width:100%;border-collapse:collapse}.marks-table thead{background:linear-gradient(135deg,#f6f1f5,#ece3ed)}.marks-table th{color:#612d53;padding:16px 20px;text-align:left;font-size:1.05rem;font-weight:700}.marks-table th:last-child{text-align:right}.marks-table td{padding:16px 20px;border-bottom:1px solid #F3F4F6;font-size:1rem}.marks-table td:last-child{text-align:right;font-weight:600}.marks-table tbody tr{transition:background .2s}.marks-table tbody tr:hover{background:#fefcfe}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:30px}.stat-box{background:linear-gradient(135deg,#f8f5f9,#f0eaf0);border:1px solid 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tr:hover{background:#fefcfe}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:1000;opacity:0;pointer-events:none;transition:opacity .3s}.modal-overlay.active{opacity:1;pointer-events:all}.modal{background:#fff;border-radius:20px;padding:36px;width:90%;max-width:500px;max-height:90vh;overflow-y:auto;transform:scale(.9);transition:transform .3s;box-shadow:0 20px 60px #0003}.modal-overlay.active .modal{transform:scale(1)}.modal h2{text-align:left;color:#612d53;font-weight:700;margin-bottom:24px}.modal-actions{display:flex;gap:12px;margin-top:8px}.modal-actions button{flex:1}.toast-container{position:fixed;top:24px;right:24px;z-index:9999;display:flex;flex-direction:column;gap:10px}.toast{padding:14px 20px;border-radius:12px;font-size:.9rem;font-weight:500;color:#fff;min-width:280px;max-width:400px;box-shadow:0 8px 30px #00000026;animation:toastIn .4s ease-out;display:flex;align-items:center;gap:10px}.toast.success{background:linear-gradient(135deg,#059669,#10b981)}.toast.error{background:linear-gradient(135deg,#dc2626,#ef4444)}.toast.info{background:linear-gradient(135deg,#2563eb,#3b82f6)}.toast.warning{background:linear-gradient(135deg,#d97706,#f59e0b)}@keyframes toastIn{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}@keyframes toastOut{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(40px)}}.spinner{display:inline-block;width:18px;height:18px;border:2.5px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;vertical-align:middle;margin-right:8px}@keyframes spin{to{transform:rotate(360deg)}}.loading-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#fffc;display:flex;justify-content:center;align-items:center;border-radius:24px;z-index:10}.loading-overlay .spinner{width:36px;height:36px;border-color:#612d5333;border-top-color:#612d53}.btn-logout{background:transparent;color:#612d53;border:2px solid #E5E7EB;width:auto;padding:10px 24px;font-size:.85rem}.btn-logout:hover{background:#fdf2f8;border-color:#612d53;box-shadow:none;transform:none}.section-title{color:#612d53;font-size:1.1rem;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px}.upload-status{display:inline-block;padding:6px 16px;border-radius:100px;font-size:.8rem;font-weight:600;margin-top:12px}.upload-status.success{background:#d1fae5;color:#065f46}.upload-status.error{background:#fee2e2;color:#991b1b}.empty-state{text-align:center;padding:40px;color:#9ca3af}.empty-state i{font-size:3rem;margin-bottom:12px;display:block}@media (max-width: 768px){.container{padding:20px}.login-card{padding:28px}.result-card{padding:24px}.result-card h1{font-size:1.6rem}.result-card h2{font-size:1rem}h1{font-size:1.5rem}h2{font-size:1rem}.marks-table th,.marks-table td{font-size:.85rem;padding:10px 8px}.stats{grid-template-columns:1fr}.stat-value{font-size:1.6rem}.admin-dashboard{padding:24px}.admin-grid{grid-template-columns:1fr}.admin-header{flex-direction:column;gap:12px;align-items:flex-start}.modal{padding:24px;width:95%}.info-row{font-size:.9rem}.toast{min-width:240px;max-width:90vw}.toast-container{top:12px;right:12px;left:12px}}@media (max-width: 480px){.login-card{padding:24px 20px}.stat-box{padding:18px}.stat-icon{width:44px;height:44px;font-size:1.1rem}}