.tool-fullwidth {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
}

/* Tool shell */
.calc-tool {
    max-width: 100%;
    margin: 0 auto;
}

.calc-tool.editor-section,
.editor-section.calc-tool {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.calc-tool .card:not(.result-card) {
    border: 1px solid var(--color-border, #e5e7eb);
    box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.06));
    border-radius: var(--radius, 12px);
    background: var(--color-surface, #fff);
}

.calc-tool .card-body {
    padding: 1.25rem 1.35rem;
}

.calc-tool .card-title {
    color: var(--color-text, #1f2937);
    font-weight: 700;
    font-size: 1.05rem;
}

.calc-tool .form-control,
.calc-tool .form-select,
.calc-tool .select-input,
.calc-tool textarea {
    border-radius: 8px;
    border: 1px solid var(--color-border, #e5e7eb);
}

.calc-tool .form-control:focus,
.calc-tool .form-select:focus,
.calc-tool textarea:focus {
    border-color: var(--color-primary, #0d9488);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

.calc-tool .btn-primary {
    background: var(--color-primary, #0d9488);
    border-color: var(--color-primary, #0d9488);
}

.calc-tool .btn-primary:hover {
    background: var(--color-primary-hover, #0f766e);
    border-color: var(--color-primary-hover, #0f766e);
}

.calc-tool .alert {
    border-radius: 10px;
}

[data-theme="dark"] .calc-tool .card:not(.result-card) {
    background: var(--color-surface, #1f2937);
    border-color: var(--color-border, #374151);
}

[data-theme="dark"] .calc-tool .card-title,
[data-theme="dark"] .calc-tool .form-label,
[data-theme="dark"] .calc-tool {
    color: var(--color-text, #f9fafb);
}

[data-theme="dark"] .calc-tool .text-muted,
[data-theme="dark"] .calc-tool .form-text {
    color: var(--color-text-secondary, #9ca3af) !important;
}

[data-theme="dark"] .calc-tool .form-control,
[data-theme="dark"] .calc-tool .form-select,
[data-theme="dark"] .calc-tool textarea {
    background: #111827;
    color: var(--color-text, #f9fafb);
    border-color: var(--color-border, #374151);
}

/* --- tool: healthy-weight-calculator --- */
.healthy-weight-calculator {
    padding: 2rem 0;
}

.unit-toggle .btn.active {
    background-color: #0d6efd;
    border-color: #0d6efd;
    color: white;
}

.healthy-weight-result {
    animation: fadeInUp 0.5s ease-out;
}

.result-item {
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid #0d6efd;
}

.health-recommendations {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    border-left: 4px solid #198754;
}

.health-recommendations ul {
    margin-bottom: 0;
}

.health-recommendations li {
    margin-bottom: 0.5rem;
}

.bmi-category {
    padding: 0.5rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.bmi-category.underweight {
    background: #fff3cd;
    border-left: 3px solid #ffc107;
}

.bmi-category.normal {
    background: #d1e7dd;
    border-left: 3px solid #198754;
}

.bmi-category.overweight {
    background: #f8d7da;
    border-left: 3px solid #dc3545;
}

.bmi-category.obese {
    background: #f8d7da;
    border-left: 3px solid #dc3545;
}

.frame-info {
    font-size: 0.9rem;
    color: #6c757d;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .healthy-weight-calculator {
        padding: 1rem 0;
    }
    
    .result-item {
        margin-bottom: 1rem;
    }
}