/* Biến CSS nội bộ */
.recom-neo-wrapper {
    --bg-white: #ffffff;
    --border-ink: 3px solid #111111;
    --shadow-solid: 5px 5px 0px #111111;
    --shadow-push: 2px 2px 0px #111111;
    
    /* Palette Di truyền học */
    --clr-violet: #7209b7;       /* Tím đậm */
    --clr-neon: #4cc9f0;         /* Xanh cyan */
    --clr-neon-light: #e0fbfc;   
    --clr-green: #b5e48c;        /* Xanh mạ */
    --clr-danger: #ef233c;       /* Đỏ cảnh báo */
    
    max-width: 800px;
    margin: 0 auto;
    font-family: system-ui, -apple-system, sans-serif;
    color: #111111;
    background: #f8f9fa;
    padding: 20px;
    border: var(--border-ink);
    border-radius: 16px;
    box-shadow: 8px 8px 0px #111;
}

.recom-neo-wrapper * { box-sizing: border-box; }

/* Header */
.recom-neo-header { background: var(--clr-violet); color: #fff; border: var(--border-ink); box-shadow: var(--shadow-solid); padding: 20px; border-radius: 12px; text-align: center; margin-bottom: 25px; }
.recom-neo-header h2 { margin: 0 0 10px 0; font-size: 1.8rem; font-weight: 900; }
.recom-neo-header p { margin: 0; font-weight: 700; font-size: 0.95rem; }

/* Tabs Chế độ */
.recom-mode-toggle { display: flex; gap: 15px; margin-bottom: 20px; }
.radio-mode { flex: 1; cursor: pointer; }
.radio-mode input { display: none; }
.radio-mode .neo-content { display: block; text-align: center; padding: 14px; font-weight: 900; border: var(--border-ink); border-radius: 12px; background: var(--bg-white); box-shadow: 4px 4px 0px #111; transition: all 0.15s; color: #111;}
.radio-mode input:checked + .neo-content { background: var(--clr-neon); box-shadow: var(--shadow-push); transform: translate(2px, 2px); }

/* Form Styles */
.recom-neo-form { display: flex; flex-direction: column; gap: 15px; }
.recom-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.recom-group { display: flex; flex-direction: column; gap: 10px; }
.recom-group label { font-weight: 900; font-size: 1.05rem; color: #111;}

/* CHỈNH SỬA TEXT TRỞ NÊN ĐEN VÀ DỄ ĐỌC HƠN */
.recom-helper { 
    font-size: 0.9rem; 
    font-weight: 800; /* Tăng độ dày */
    color: #222222;   /* Thay vì xám nhạt, đổi thành xám đen đậm */
    background: #ffea00; /* Nền vàng tươi để nổi bật text đen */
    padding: 10px 15px; 
    border-radius: 8px; 
    border: 2px solid #111;
}

.recom-neo-wrapper input[type="number"] { width: 100%; padding: 16px; font-size: 1.3rem; font-weight: 900; border: var(--border-ink); border-radius: 12px; background: var(--bg-white); box-shadow: 4px 4px 0px #111; outline: none; transition: all 0.2s; color: #111;}
.recom-neo-wrapper input[type="number"]:focus { box-shadow: var(--shadow-solid); background: var(--clr-neon-light); }

/* Grid 4 kiểu hình */
.recom-inputs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; background: #fff; padding: 20px; border-radius: 12px; border: var(--border-ink); box-shadow: 4px 4px 0px #111;}
.recom-sub-group { display: flex; flex-direction: column; gap: 5px; }
.recom-sub-group label { font-size: 0.95rem; font-weight: 800; color: #111;} /* Text đen đậm */

.recom-error-alert { background: var(--clr-danger); color: #fff; border: var(--border-ink); padding: 12px; border-radius: 8px; font-weight: 800; text-align: center; font-size: 1.05rem;}

/* Button */
.recom-neo-btn { padding: 18px; font-size: 1.2rem; font-weight: 900; background: #111; color: #fff; border: var(--border-ink); border-radius: 12px; box-shadow: 5px 5px 0px var(--clr-neon); cursor: pointer; text-transform: uppercase; margin-top: 10px; transition: all 0.1s; }
.recom-neo-btn:hover { background: #333; }
.recom-neo-btn:active { box-shadow: 2px 2px 0px var(--clr-neon); transform: translate(3px, 3px); }

/* Result Layout */
.recom-neo-result { margin-top: 30px; padding-top: 30px; border-top: 4px dashed #111; }
.recom-neo-result.active { display: block !important; animation: recomPop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards; }

.recom-highlight-box { display: flex; gap: 20px; margin-bottom: 25px;}
.highlight-item { flex: 1; background: #fff; border: var(--border-ink); box-shadow: var(--shadow-solid); border-radius: 16px; padding: 25px 20px; text-align: center; }
.item-distance { background: var(--clr-green); }
.highlight-item h3 { margin: 0 0 10px 0; font-size: 1.1rem; color: #111; font-weight: 900; text-transform: uppercase;}
.val-big { font-size: 4rem; font-weight: 900; color: #111; line-height: 1; }
.val-big small { font-size: 1.5rem; }

/* Box Kiểu Gen */
.recom-genotype-box { background: var(--clr-neon-light); border: var(--border-ink); box-shadow: 4px 4px 0px #111; border-radius: 12px; padding: 20px; text-align: center; margin-bottom: 25px; }
.recom-genotype-box h4 { margin: 0 0 15px 0; font-size: 1.1rem; color: #111; font-weight: 900; }
.geno-result { display: flex; flex-direction: column; align-items: center; gap: 10px; margin-bottom: 15px;}
.geno-badge { background: #111; color: #fff; padding: 8px 20px; border-radius: 30px; font-weight: 900; font-size: 1rem; border: 2px solid #111; }
.geno-symbol { font-size: 2.5rem; font-weight: 900; color: var(--clr-violet); background: #fff; padding: 5px 25px; border-radius: 12px; border: 3px solid #111; box-shadow: 3px 3px 0px #111; letter-spacing: 2px;}

/* Chỉnh text mô tả đen và đậm */
.geno-desc { margin: 0; font-weight: 800; font-size: 1rem; color: #222;} 

.recom-note { background: #fff; border: 2px solid #111; border-radius: 8px; padding: 12px; font-size: 0.95rem; font-weight: 700; color: #111; }

@keyframes recomPop { 0% { opacity: 0; transform: translateY(20px); } 100% { opacity: 1; transform: translateY(0); } }

@media (max-width: 650px) {
    .recom-form-grid, .recom-inputs-grid, .recom-highlight-box { grid-template-columns: 1fr; flex-direction: column; gap: 15px;}
    .recom-mode-toggle { flex-direction: column; }
}