:root{--gradient-primary:linear-gradient(135deg, #667eea 0%, #764ba2 100%)}body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:linear-gradient(135deg,#f5f7fa 0%,#c3cfe2 100%);min-height:100vh;line-height:1.6;color:var(--dark-color)}.card-header{background:var(--gradient-primary);color:#fff;padding:1.25rem 1.5rem;border:none;font-weight:600;font-size:1.1rem;border-radius:12px 12px 0 0}.card{border:none;border-radius:12px;box-shadow:0 4px 16px rgb(0 0 0 / .1);transition:all 0.3s ease}.card:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgb(0 0 0 / .15)}.luu-nien-card.score-warning{border-left-color:#ffc107;background:linear-gradient(135deg,#fffbf0 0%,white 100%)}.luu-nien-card.score-danger{border-left-color:#dc3545;background:linear-gradient(135deg,#fff5f5 0%,white 100%)}.year-title{font-size:1.5rem;font-weight:700;margin-bottom:10px}.can-chi-display{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff;padding:8px 16px;border-radius:20px;font-weight:600;display:inline-block;margin-bottom:10px}.score-badge{font-size:1.2rem;padding:8px 16px;border-radius:25px;font-weight:700}.analysis-section{background:#f8f9fa;border-radius:8px;padding:15px;margin:10px 0}.analysis-item{margin-bottom:8px;padding:8px 0;border-bottom:1px solid #e9ecef}.analysis-item:last-child{border-bottom:none;margin-bottom:0}.advice-box{background:linear-gradient(135deg,#e8f5e8 0%,#f0f9f0 100%);border:1px solid #28a745;border-radius:8px;padding:15px;margin-top:10px}.form-select,.form-control{border-radius:8px;border:2px solid #e2e8f0;transition:all 0.3s ease}.form-select:focus,.form-control:focus{border-color:#667eea;box-shadow:0 0 0 3px rgb(102 126 234 / .1)}.btn{border-radius:8px;font-weight:600;transition:all 0.3s ease}.btn-primary{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border:none}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgb(102 126 234 / .4)}.luu-nien-card{background:#fff;border-radius:10px;padding:20px;margin-bottom:15px;border-left:4px solid #ccc;transition:all 0.3s ease}.luu-nien-card:hover{transform:translateX(5px);box-shadow:0 4px 20px rgb(0 0 0 / .1)}.luu-nien-card.score-excellent{border-left-color:#28a745;background:linear-gradient(135deg,#f0fff4 0%,white 100%)}.luu-nien-card.score-good{border-left-color:#17a2b8;background:linear-gradient(135deg,#f0f8ff 0%,white 100%)}.luu-nien-card.score-normal{border-left-color:#6c757d;background:linear-gradient(135deg,#f8f9fa 0%,white 100%)}option:disabled{color:#6c757d!important;font-style:italic}@media (max-width:768px){.luu-nien-card{padding:15px;margin-bottom:10px}.year-title{font-size:1.3rem}}