/* ========== DIETAS - LAYOUT ESPECÍFICO ========== */
.diet-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--space-3xl);
}

@media (max-width: 1200px) { 
    .diet-layout { 
        grid-template-columns: 1fr; 
    } 
}

/* ========== DIET TABS ========== */
.diet-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: var(--space-2xl);
    border-bottom: 2px solid var(--border-medium);
    overflow-x: auto;
}

.diet-tab {
    padding: var(--space-md) var(--space-2xl);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    font-weight: 600;
    color: #666;
    white-space: nowrap;
    transition: all var(--transition-base);
    border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
}

.diet-tab:hover { 
    background: #f5f5f5; 
    color: var(--primary); 
}

.diet-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: rgba(139, 69, 19, 0.05);
}

/* ========== COMPOSITION TABLE ========== */
.composition-table { 
    width: 100%; 
    border-collapse: collapse; 
    font-size: var(--font-size-base); 
}

.composition-table th {
    text-align: left;
    padding: var(--space-md);
    background: #f8f9fa;
    font-weight: 600;
    color: var(--dark);
    border-bottom: 2px solid var(--border-medium);
    position: sticky;
    top: 0;
}

.composition-table td { 
    padding: var(--space-md); 
    border-bottom: 1px solid #f0f0f0; 
    vertical-align: middle; 
}

.composition-table tr:hover { 
    background: var(--bg-hover); 
}

/* ========== NUTRITION GRID ========== */
.nutrition-grid { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    gap: var(--space-md); 
    margin-bottom: var(--space-xl); 
}

.nutrition-item {
    background: linear-gradient(135deg, #f8f9fa, #ffffff);
    padding: var(--space-lg);
    border-radius: var(--border-radius-lg);
    border: 2px solid #e8e8e8;
    transition: all var(--transition-base);
}

.nutrition-item:hover { 
    border-color: var(--primary); 
    transform: translateY(-2px); 
}

.nutrition-label {
    font-size: var(--font-size-xs);
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
}

.nutrition-value { 
    font-size: var(--font-size-2xl); 
    font-weight: 700; 
    color: var(--dark); 
}

.nutrition-unit { 
    font-size: var(--font-size-sm); 
    color: #666; 
    margin-left: 4px; 
}

.nutrition-status {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-top: 5px;
}

.status-optimal { 
    background: rgba(34, 139, 34, 0.1); 
    color: var(--success); 
}

.status-warning { 
    background: rgba(255, 140, 0, 0.1); 
    color: var(--warning); 
}

.status-danger { 
    background: rgba(220, 20, 60, 0.1); 
    color: var(--danger); 
}

/* ========== PROGRESS STACK ========== */
.progress-stack {
    display: flex;
    height: 30px;
    border-radius: 15px;
    overflow: hidden;
    margin: var(--space-md) 0;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.progress-segment {
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    transition: all var(--transition-slow);
    position: relative;
}

.progress-segment:hover { 
    filter: brightness(1.1); 
}

/* ========== COST SIMULATOR ========== */
.cost-simulator {
    background: linear-gradient(135deg, var(--dark), var(--primary));
    color: white;
    padding: var(--space-2xl);
    border-radius: var(--border-radius-xl);
    margin-top: var(--space-xl);
}

.cost-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) 0;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

.cost-row:last-child {
    border-bottom: none;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    padding-top: var(--space-lg);
    margin-top: var(--space-md);
    border-top: 2px solid rgba(255,255,255,0.3);
}

/* ========== VERSION TIMELINE ========== */
.version-timeline { 
    position: relative; 
    padding-left: 30px; 
}

.version-timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-medium);
}

.version-item { 
    position: relative; 
    padding-bottom: var(--space-xl); 
}

.version-item::before {
    content: '';
    position: absolute;
    left: -26px;
    top: 4px;
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 2px var(--primary);
}

.version-date { 
    font-size: var(--font-size-xs); 
    color: #666; 
}

.version-changes { 
    font-size: var(--font-size-sm); 
    color: #333; 
    margin-top: 5px; 
}

/* ========== DIET BADGE ========== */
.diet-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px var(--space-md);
    border-radius: 20px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    background: rgba(139, 69, 19, 0.1);
    color: var(--primary);
}

/* ========== INGREDIENTE ROW ========== */
.ingredient-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto;
    gap: var(--space-md);
    align-items: end;
    padding: var(--space-md);
    background: #f8f9fa;
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--space-md);
    transition: all var(--transition-base);
}

.ingredient-row:hover { 
    background: #f0f0f0; 
    transform: translateX(5px); 
}

.ingredient-nutrients {
    grid-column: 1 / -1;
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-md);
    font-size: var(--font-size-xs);
    color: #666;
}

.nutrient-tag {
    background: white;
    padding: 4px 10px;
    border-radius: 12px;
    border: 1px solid var(--border-medium);
}

/* ========== SECTION HEADER ========== */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-2xl);
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 5px;
}

.section-subtitle {
    color: #666;
    font-size: var(--font-size-base);
}