/* ==========================================================================
   PPP - Finance Module Styles
   --------------------------------------------------------------------------
   Three calculator sections (Compounding Interest, Loan Payoff, Summary).
   Cards flow horizontally with flex-wrap on wide screens and stack vertically
   on mobile. Only vertical scrolling — no horizontal scroll.
   ========================================================================== */

/* ==========================================================================
   View Layout
   ========================================================================== */
.finance-view {
    width: 100%;
    max-width: var(--max-content-width);
    margin: 0 auto;
    padding: var(--space-md) var(--space-sm);
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

/* ==========================================================================
   Section (one per calculator type)
   ========================================================================== */
.finance-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.finance-section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding-bottom: var(--space-xs);
    border-bottom: var(--border-width) solid var(--color-border);
}

.finance-section__title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
}

.finance-section__add {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-md);
    border: var(--border-width) solid var(--color-primary);
    border-radius: var(--border-radius);
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
    font-family: inherit;
}

.finance-section__add:hover {
    background: var(--color-primary);
    color: var(--color-on-primary);
}

/* ==========================================================================
   Card Container — horizontal wrap on wide screens, vertical on mobile
   ========================================================================== */
.finance-section__cards {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    align-items: flex-start;
}

/* Empty state */
.finance-empty {
    width: 100%;
    padding: var(--space-lg);
    text-align: center;
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    border: var(--border-width) dashed var(--color-border);
    border-radius: var(--border-radius);
}

/* ==========================================================================
   Card (base — shared by CI, PD, RT)
   ========================================================================== */
.finance-card {
    flex: 1 1 350px;
    min-width: 300px;
    max-width: 500px;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-md);
    background-color: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

/* On mobile, cards take full width and stack */
@media (max-width: 767px) {
    .finance-card {
        flex: 1 1 100%;
        max-width: 100%;
    }
}

/* --- Card Header (name input + remove button) --- */
.finance-card__header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.finance-card__name {
    flex: 1;
    min-width: 0;
    padding: var(--space-xs) var(--space-sm);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius-sm);
    background-color: var(--color-bg);
    color: var(--color-text);
    font-size: var(--font-size-base);
    font-weight: 600;
    font-family: inherit;
    transition: border-color var(--transition);
}

.finance-card__name:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.finance-card__name::placeholder {
    color: var(--color-text-light);
    font-weight: 400;
}

.finance-card__remove {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius-sm);
    background-color: transparent;
    color: var(--color-text-muted);
    font-size: var(--font-size-lg);
    line-height: 1;
    cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
    font-family: inherit;
}

.finance-card__remove:hover {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
    color: #fff;
}

/* --- Card Body (inputs) --- */
.finance-card__body {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

/* ==========================================================================
   Form Fields
   ========================================================================== */
.finance-field {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.finance-field__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: 500;
}

.finance-field__input,
.finance-field__select {
    padding: var(--space-xs) var(--space-sm);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius-sm);
    background-color: var(--color-bg);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-family: inherit;
    transition: border-color var(--transition);
    width: 100%;
}

.finance-field__input:focus,
.finance-field__select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Remove number input spinners for a cleaner look */
.finance-field__input[type="number"]::-webkit-inner-spin-button,
.finance-field__input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.finance-field__input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

/* ==========================================================================
   Toggle Button Group (used by PD mode and RT reference type)
   ========================================================================== */
.finance-toggle {
    display: flex;
    gap: var(--space-xs);
    background-color: var(--color-bg);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius-sm);
    padding: var(--space-xs);
}

.finance-toggle__btn {
    flex: 1;
    padding: var(--space-xs) var(--space-sm);
    border: none;
    border-radius: var(--border-radius-sm);
    background: transparent;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
    font-family: inherit;
    text-align: center;
}

.finance-toggle__btn:hover {
    color: var(--color-text);
}

.finance-toggle__btn--active {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
}

/* ==========================================================================
   Checkbox Field
   ========================================================================== */
.finance-check {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    padding: var(--space-xs) 0;
}

.finance-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

/* ==========================================================================
   Results Section
   ========================================================================== */
.finance-card__results {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding: var(--space-sm);
    background-color: var(--color-bg);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--border-radius-sm);
}

.finance-result {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
}

.finance-result + .finance-result {
    border-top: var(--border-width) solid var(--color-border);
}

.finance-result__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: 500;
}

.finance-result__value {
    font-size: var(--font-size-base);
    color: var(--color-text);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    text-align: right;
}

/* Highlighted result (Final Value, Total Paid, Summary value) */
.finance-result--highlight {
    padding: var(--space-sm);
    margin: var(--space-xs) calc(-1 * var(--space-sm)) calc(-1 * var(--space-sm));
    background-color: var(--color-primary-light);
    border-radius: var(--border-radius-sm);
    border-top: none;
}

.finance-result--highlight + .finance-result,
.finance-result + .finance-result--highlight {
    border-top: none;
}

.finance-result--highlight .finance-result__label {
    color: var(--color-primary);
    font-weight: 600;
}

.finance-result--highlight .finance-result__value {
    color: var(--color-primary);
    font-size: var(--font-size-lg);
}

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

/* On very small screens, tighten spacing */
@media (max-width: 480px) {
    .finance-view {
        padding: var(--space-sm) var(--space-xs);
        gap: var(--space-lg);
    }

    .finance-card {
        padding: var(--space-sm);
    }

    .finance-section__header {
        flex-wrap: wrap;
    }
}