/* ==========================================================================
   THEME: CLEAN LABORATORY UI (V21.1)
   ========================================================================== */
:root {
    --crl-primary: #0f4c81;       
    --crl-primary-hover: #0c3b63;
    --crl-bg-light: #f8fafc;
    --crl-border: #e2e8f0;        
    --crl-text-main: #334155;     
    --crl-text-light: #64748b;    
    --crl-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    
    /* Màu đánh giá (Rating Colors) */
    --rate-a-bg: #d1fae5; --rate-a-text: #065f46;
    --rate-b-bg: #dbeafe; --rate-b-text: #1e40af;
    --rate-ab-bg: #ccfbf1; --rate-ab-text: #115e59; /* Cyan - A/B */
    --rate-c-bg: #ffedd5; --rate-c-text: #9a3412;
    --rate-bc-bg: #fef9c3; --rate-bc-text: #854d0e; /* Yellow - B/C */
    --rate-x-bg: #fee2e2; --rate-x-text: #991b1b;
}

.crl-wrapper {
    max-width: 100%;
    color: var(--crl-text-main);
    line-height: 1.6;
}

/* SEARCH HERO SECTION */
.crl-search-container {
    background: #fff;
    padding: 35px;
    border-radius: 12px;
    border: 1px solid var(--crl-border);
    box-shadow: var(--crl-shadow);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}
.crl-search-container::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 5px;
    background: linear-gradient(90deg, var(--crl-primary) 0%, #38bdf8 100%);
}
.crl-search-container h3 {
    margin-top: 0;
    color: var(--crl-primary);
    font-size: 1.6em;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.crl-search-box {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    border-radius: 8px;
}
#crl-input {
    flex: 1;
    padding: 14px 20px;
    border: 1px solid #cbd5e1;
    border-right: none;
    border-radius: 8px 0 0 8px;
    font-size: 16px;
    outline: none;
}
#crl-input:focus {
    border-color: var(--crl-primary);
    box-shadow: inset 0 0 0 1px var(--crl-primary);
}
#crl-btn {
    padding: 0 30px;
    background: var(--crl-primary);
    color: #fff;
    border: 1px solid var(--crl-primary);
    border-radius: 0 8px 8px 0;
    font-weight: 600;
    cursor: pointer;
    font-size: 15px;
    text-transform: uppercase;
    transition: background 0.3s;
    display: flex; align-items: center; gap: 8px;
}
#crl-btn:hover { background: var(--crl-primary-hover); }
#crl-btn:disabled { background: #94a3b8; border-color: #94a3b8; cursor: not-allowed; }

.crl-note { font-size: 0.9em; color: var(--crl-text-light); margin-top: 15px; font-style: italic; }

/* LEGEND SECTION */
.crl-legend-toggle {
    margin-top: 25px;
    font-weight: 600;
    color: var(--crl-text-light);
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-top: 1px solid #f1f5f9;
    padding-top: 15px;
    display: inline-block;
}
.crl-legend-panel {
    margin-top: 15px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 20px;
    text-align: left;
}
.crl-legend-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}
@media (max-width: 768px) { .crl-legend-grid { grid-template-columns: 1fr; } }

.crl-legend-item { display: flex; align-items: flex-start; gap: 12px; font-size: 0.9em; line-height: 1.5; color: var(--crl-text-main); }
.crl-tag {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; flex-shrink: 0;
    border-radius: 6px; font-weight: 800; font-size: 14px;
}
.crl-legend-item strong { display: block; margin-bottom: 2px; color: var(--crl-primary); }

/* RESULT CARD */
.crl-result-card {
    background: #fff;
    border: 1px solid var(--crl-border);
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: var(--crl-shadow);
    overflow: hidden;
    animation: slideUp 0.4s ease-out;
}
@keyframes slideUp { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }

.crl-chem-header {
    background: var(--crl-bg-light);
    padding: 15px 25px;
    border-bottom: 1px solid var(--crl-border);
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px;
}
.crl-chem-title { font-size: 1.4em; font-weight: 800; color: var(--crl-primary); }
.crl-chem-meta { display: flex; gap: 8px; align-items: center; }
.crl-badge-vn, .crl-badge-formula { padding: 5px 12px; border-radius: 6px; font-size: 0.85em; font-weight: 600; }
.crl-badge-vn { background: #e0f2fe; color: #0369a1; border: 1px solid #bae6fd; }
.crl-badge-formula { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }

/* DATA TABLES */
.crl-card-body { padding: 5px 25px 25px; }
.crl-table-section { margin-top: 25px; }
.crl-sec-title {
    font-weight: 700; color: var(--crl-text-main);
    border-bottom: 2px solid var(--crl-border); padding-bottom: 8px; margin-bottom: 12px;
    display: flex; align-items: center; gap: 8px; text-transform: uppercase; font-size: 0.95em;
}
.crl-responsive-table { overflow-x: auto; border: 1px solid var(--crl-border); border-radius: 8px; }
.crl-table-pro { width: 100%; border-collapse: collapse; font-size: 14px; background: #fff; min-width: 600px; }
.crl-table-pro th {
    background: #f1f5f9; color: #475569; padding: 12px 10px; text-align: center;
    border-bottom: 2px solid #cbd5e1; border-right: 1px solid #e2e8f0; white-space: nowrap;
    position: sticky; top: 0; z-index: 10; font-weight: 700;
}
.crl-table-pro td { padding: 10px; border-bottom: 1px solid #f1f5f9; border-right: 1px solid #f1f5f9; text-align: center; vertical-align: middle; color: var(--crl-text-main); }
.crl-table-pro tr:last-child td { border-bottom: none; }
.crl-table-pro tr:hover { background-color: #f8fafc; }
.crl-conc-cell { background-color: #fff; font-weight: 700; color: var(--crl-primary); border-right: 2px solid #e2e8f0 !important; }

/* RATING BADGES (PILL STYLE) */
td[class*="crl-rate-"] { font-weight: 600; font-size: 0.9em; border-radius: 4px; }
.crl-rate-A { background: var(--rate-a-bg); color: var(--rate-a-text); }
.crl-rate-B { background: var(--rate-b-bg); color: var(--rate-b-text); }
.crl-rate-C { background: var(--rate-c-bg); color: var(--rate-c-text); }
.crl-rate-X, .crl-rate-D { background: var(--rate-x-bg); color: var(--rate-x-text); }
.crl-rate-NA { color: #cbd5e1; font-weight: normal !important; }

/* [FIX] Màu A/B và B/C - Quan trọng */
.crl-rate-AB { 
    background-color: var(--rate-ab-bg) !important; 
    color: var(--rate-ab-text) !important; 
}
.crl-rate-BC { 
    background-color: var(--rate-bc-bg) !important; 
    color: var(--rate-bc-text) !important; 
}

/* LOADING & MSG */
.crl-loading { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 40px; color: var(--crl-text-light); }
.crl-spinner, .crl-spinner-mini {
    border: 4px solid #f3f3f3; border-top: 4px solid var(--crl-primary); border-radius: 50%;
    animation: spin 1s linear infinite;
}
.crl-spinner { width: 40px; height: 40px; margin-bottom: 15px; }
.crl-spinner-mini { width: 14px; height: 14px; border-width: 2px; display: inline-block; vertical-align: middle; margin-right: 5px; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.crl-msg-error, .crl-msg-empty { padding: 20px; background: #fff1f2; color: #be123c; border: 1px solid #fecdd3; border-radius: 8px; text-align: center; font-weight: 500; margin-top: 20px; }
.crl-msg-empty { background: #f0f9ff; color: #0369a1; border-color: #bae6fd; }