.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: tdee --- */
.tdee-calculator {
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    min-height: auto;
    padding: 2rem 0;
}

.calculator-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    padding: 2rem;
    margin-bottom: 2rem;
}

.form-label {
    font-weight: 600;
    color: #37474f;
    margin-bottom: 0.5rem;
}

.form-control, .form-select {
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    padding: 0.75rem;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: #2196f3;
    box-shadow: 0 0 0 0.2rem rgba(33, 150, 243, 0.25);
}

.btn-calculate {
    background: linear-gradient(45deg, #2196f3, #1976d2);
    border: none;
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-calculate:hover {
    background: linear-gradient(45deg, #1976d2, #1565c0);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(33, 150, 243, 0.4);
}

.btn-reset {
    background: #f5f5f5;
    border: 2px solid #e0e0e0;
    color: #666;
    padding: 0.75rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-reset:hover {
    background: #e0e0e0;
    color: #333;
}

.result-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 15px;
    padding: 2rem;
    margin-top: 2rem;
    border-left: 5px solid #2196f3;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #e0e0e0;
}

.result-item:last-child {
    border-bottom: none;
}

.result-label {
    font-weight: 600;
    color: #37474f;
}

.result-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: #2196f3;
}

.calorie-breakdown {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    margin-top: 1rem;
}

.calorie-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.calorie-label {
    font-weight: 500;
    color: #666;
}

.calorie-value {
    font-weight: 600;
    color: #333;
}

.badge-custom {
    background: #e3f2fd;
    color: #1976d2;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
}

.unit-display {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
    font-weight: 500;
}

.input-group {
    position: relative;
}

.stepper-buttons {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.stepper-btn {
    width: 20px;
    height: 20px;
    border: none;
    background: #f0f0f0;
    color: #666;
    border-radius: 3px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.stepper-btn:hover {
    background: #e0e0e0;
    color: #333;
}

.stepper-btn:active {
    background: #d0d0d0;
}