/* ==================== Etsy Fee Calculator Styles ==================== */

/* ==================== Layout ==================== */

.container {
    max-width: clamp(300px, 96vw, 1280px);
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    width: 100%;
}

.calc-layout {
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.calc-inputs,
.calc-outputs {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* ==================== Section Titles ==================== */

.section-title {
    font-size: var(--font-md);
    font-weight: var(--font-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-title i {
    color: var(--accent-primary);
}

/* ==================== Input Affixes ($ prefix, % suffix) ==================== */

.input-affix-wrap {
    display: flex;
    align-items: stretch;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color 0.2s;
}

.input-affix-wrap:focus-within {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-sm);
}

.input-prefix,
.input-suffix {
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-sm);
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: var(--font-sm);
    font-weight: var(--font-medium);
    border: none;
    white-space: nowrap;
    user-select: none;
}

.input-prefix {
    border-right: 1px solid var(--border-color);
}

.input-suffix {
    border-left: 1px solid var(--border-color);
}

.input-affix-wrap input {
    border: none;
    border-radius: 0;
    flex: 1;
    min-width: 0;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: var(--font-base);
    outline: none;
    box-shadow: none;
}

.input-affix-wrap input:focus {
    box-shadow: none;
    outline: none;
}

/* Computed (back-calculated) field styling */
.input-affix-wrap input.computed {
    background: color-mix(in srgb, var(--accent-primary) 8%, var(--bg-secondary));
    color: var(--accent-primary);
    font-weight: var(--font-semibold);
    font-style: italic;
}

/* ==================== Dual-Mode Input Group ==================== */

.dual-mode-group {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    background: var(--bg-primary);
    margin-bottom: var(--spacing-md);
}

.dual-mode-group .input-group {
    margin-bottom: 0;
}

.dual-mode-divider {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
    color: var(--text-secondary);
    font-size: var(--font-xs);
    font-weight: var(--font-semibold);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.dual-mode-divider::before,
.dual-mode-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.divider-label {
    padding: 0 var(--spacing-xs);
}

/* ==================== Inline Field Error ==================== */

.field-error {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
    font-size: var(--font-xs);
    color: var(--status-offline);
    font-weight: var(--font-medium);
}

/* ==================== Input Groups ==================== */

.input-group {
    margin-bottom: var(--spacing-md);
}

.input-group:last-child {
    margin-bottom: 0;
}

.input-group label {
    display: block;
    font-size: var(--font-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.helper-text {
    font-size: var(--font-xs);
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* ==================== Advanced Settings (Collapsible) ==================== */

.advanced-card {
    padding-bottom: 0;
}

.advanced-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0 0 var(--spacing-md) 0;
    color: var(--text-primary);
    font-size: var(--font-sm);
    font-weight: var(--font-semibold);
    text-align: left;
}

.advanced-toggle:hover {
    color: var(--accent-primary);
}

.advanced-toggle-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.advanced-toggle-label i {
    color: var(--accent-primary);
}

.toggle-chevron {
    color: var(--text-secondary);
    font-size: var(--font-xs);
    transition: transform 0.25s ease;
    flex-shrink: 0;
}

.toggle-chevron.open {
    transform: rotate(180deg);
}

.advanced-content {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.25s ease, padding 0.3s ease;
    padding-top: 0;
}

.advanced-content.open {
    max-height: 1200px;
    opacity: 1;
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* ==================== Toggle Switch ==================== */

.toggle-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xs);
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--border-color);
    border-radius: var(--radius-full);
    transition: background 0.2s;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: transform 0.2s;
    box-shadow: var(--shadow-sm);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--accent-primary);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

.toggle-text {
    font-size: var(--font-sm);
    color: var(--text-primary);
}

/* ==================== Fee Output Table ==================== */

.fee-table {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.fee-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
    gap: var(--spacing-sm);
}

.fee-row:last-child {
    border-bottom: none;
}

.fee-row-total {
    font-weight: var(--font-semibold);
    font-size: var(--font-md);
}

.fee-label {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    flex: 1;
}

.fee-row-total .fee-label {
    color: var(--text-primary);
}

.fee-value {
    color: var(--text-primary);
    font-size: var(--font-sm);
    font-weight: var(--font-medium);
    text-align: right;
    white-space: nowrap;
}

.fee-row-total .fee-value {
    font-size: var(--font-md);
    font-weight: var(--font-bold);
}

.fee-rate-tag {
    font-size: var(--font-xs);
    color: var(--text-secondary);
    font-weight: var(--font-normal);
}

.fee-rate-highlight {
    color: var(--accent-primary);
    font-weight: var(--font-semibold);
}

.fee-divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-xs) 0;
}

/* ==================== Value Color Coding ==================== */

.value-deduction {
    color: var(--text-secondary);
}

.value-profit-positive {
    color: var(--status-online);
}

.value-profit-negative {
    color: var(--status-offline);
}

/* ==================== Profit Warning ==================== */

.profit-warning {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: var(--font-xs);
    font-weight: var(--font-medium);
    margin-bottom: var(--spacing-md);
}

.profit-warning.warning-loss {
    background: color-mix(in srgb, var(--status-offline) 12%, transparent);
    color: var(--status-offline);
    border: 1px solid color-mix(in srgb, var(--status-offline) 30%, transparent);
}

.profit-warning.warning-low {
    background: color-mix(in srgb, var(--status-warning) 12%, transparent);
    color: var(--status-warning);
    border: 1px solid color-mix(in srgb, var(--status-warning) 30%, transparent);
}

/* ==================== Break-Even Note ==================== */

.breakeven-note {
    margin-top: var(--spacing-md);
    font-size: var(--font-xs);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.breakeven-note i {
    color: var(--accent-primary);
    flex-shrink: 0;
}

/* ==================== Responsive ==================== */

@media (max-width: 900px) {
    .calc-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .section-title {
        font-size: var(--font-base);
    }
}