/* ═══════════════════════════════════════════════════════════════════════════
 * repayment-calc.css — CalculatorFix Repayment Calculator
 * Namespace: rp- (all selectors prefixed to avoid global conflicts)
 * Place at: assets/css/repayment-calc.css
 * ═══════════════════════════════════════════════════════════════════════════ */

/* ── CSS Variables (inherits brand from color-scheme) ─────────────────────── */
#rp-calculator-container {
    --rp-accent:         #0ea5e9;
    --rp-accent-dark:    #0369a1;
    --rp-accent-light:   #e0f2fe;
    --rp-accent-hover:   #bae6fd;
    --rp-interest:       #fbbf24;
    --rp-teal:           #14b8a6;
    --rp-green:          #22c55e;
    --rp-warning-text:   #b45309;
    --rp-warning-bg:     #fffbeb;
    --rp-warning-brd:    #fde68a;
    --rp-bg:             #ffffff;
    --rp-bg-soft:        #f8fafc;
    --rp-bg-muted:       #f1f5f9;
    --rp-text-primary:   #0f172a;
    --rp-text-secondary: #475569;
    --rp-text-muted:     #94a3b8;
    --rp-border:         #e2e8f0;
    --rp-border-soft:    #f1f5f9;
    --rp-shadow-focus:   0 0 0 4px rgba(14, 165, 233, 0.15);
    --rp-radius:         10px;
    --rp-radius-sm:      6px;
    --rp-radius-lg:      14px;
    --rp-transition:     0.18s ease;
}

/* ── Widget wrapper ─────────────────────────────────────────────────────────── */
.rp-calc {
    width: 100%;
}

/* ── Widget Heading ─────────────────────────────────────────────────────────── */
.rp-calc .calc-widget-heading {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--rp-text-primary);
    margin: 0 0 1.1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--rp-border);
}

/* ── Inputs Grid ────────────────────────────────────────────────────────────── */
.rp-inputs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem 1.1rem;
    margin-bottom: 1rem;
}

@media (max-width: 600px) {
    .rp-inputs-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
}

/* ── Input Group ────────────────────────────────────────────────────────────── */
.rp-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.rp-input-label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--rp-text-primary);
    line-height: 1.2;
}

.rp-input-hint {
    font-size: 0.68rem;
    font-weight: 500;
    color: var(--rp-text-muted);
    background: var(--rp-bg-muted);
    padding: 1px 6px;
    border-radius: 4px;
    margin-left: auto;
    flex-shrink: 0;
}

.rp-input-wrap {
    display: flex;
    align-items: center;
    background: var(--rp-bg-soft);
    border: 1.5px solid var(--rp-border);
    border-radius: var(--rp-radius-sm);
    overflow: hidden;
    transition: border-color var(--rp-transition), box-shadow var(--rp-transition);
}

.rp-input-wrap:focus-within {
    border-color: var(--rp-accent);
    box-shadow: var(--rp-shadow-focus);
    background: var(--rp-bg);
}

.rp-input-wrap--date,
.rp-input-wrap--select {
    background: var(--rp-bg-soft);
}

.rp-input-prefix,
.rp-input-suffix {
    padding: 0 0.55rem;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--rp-text-muted);
    background: var(--rp-bg-muted);
    border-right: 1px solid var(--rp-border);
    align-self: stretch;
    display: flex;
    align-items: center;
    flex-shrink: 0;
    line-height: 1;
}

.rp-input-suffix {
    border-right: none;
    border-left: 1px solid var(--rp-border);
}

.rp-calc-input {
    flex: 1;
    min-width: 0;
    border: none;
    outline: none;
    background: transparent;
    padding: 0.5rem 0.6rem;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--rp-text-primary);
    font-family: inherit;
    width: 100%;
}

.rp-calc-input::placeholder {
    color: var(--rp-text-muted);
}

/* Remove number spinners */
.rp-calc-input[type="number"]::-webkit-inner-spin-button,
.rp-calc-input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.rp-calc-input[type="number"] {
    -moz-appearance: textfield;
}

.rp-calc-input--date {
    padding: 0.45rem 0.6rem;
}

.rp-calc-select {
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    padding-right: 2rem;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2394a3b8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.6rem center;
    background-size: 11px;
}

.rp-input-desc {
    font-size: 0.68rem;
    color: var(--rp-text-muted);
    line-height: 1.3;
}

/* ── Action Buttons ─────────────────────────────────────────────────────────── */
.rp-actions {
    display: flex;
    gap: 0.65rem;
    margin: 1rem 0 0;
}

.rp-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.58rem 1.2rem;
    border-radius: var(--rp-radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border: 1.5px solid transparent;
    transition: background var(--rp-transition), color var(--rp-transition),
                border-color var(--rp-transition), transform 0.12s ease,
                box-shadow var(--rp-transition);
    line-height: 1;
}

.rp-btn:active {
    transform: translateY(1px);
}

.rp-btn-primary {
    background: var(--rp-accent);
    color: #fff;
    border-color: var(--rp-accent);
}

.rp-btn-primary:hover {
    background: var(--rp-accent-dark);
    border-color: var(--rp-accent-dark);
    box-shadow: 0 4px 12px rgba(14, 165, 233, 0.25);
}

.rp-btn-ghost {
    background: transparent;
    color: var(--rp-text-secondary);
    border-color: var(--rp-border);
}

.rp-btn-ghost:hover {
    background: var(--rp-bg-muted);
    border-color: var(--rp-text-muted);
    color: var(--rp-text-primary);
}

/* ── Results Section ────────────────────────────────────────────────────────── */
.rp-results {
    margin-top: 1.4rem;
    padding-top: 1.2rem;
    border-top: 1.5px solid var(--rp-border-soft);
}

/* Summary Cards Grid */
.rp-results-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.7rem;
    margin-bottom: 1rem;
}

@media (max-width: 800px) {
    .rp-results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 420px) {
    .rp-results-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.rp-result-card {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    padding: 0.75rem 0.85rem;
    background: var(--rp-bg-soft);
    border: 1.5px solid var(--rp-border);
    border-radius: var(--rp-radius);
}

.rp-result-card--primary {
    background: var(--rp-accent-light);
    border-color: var(--rp-accent);
}

.rp-result-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--rp-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.rp-result-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--rp-text-primary);
    line-height: 1.2;
}

.rp-result-card--primary .rp-result-value {
    color: var(--rp-accent-dark);
    font-size: 1.2rem;
}

.rp-value--interest {
    color: var(--rp-warning-text);
}

.rp-value--date {
    color: var(--rp-teal);
    font-size: 0.95rem !important;
}

/* Savings Banner */
.rp-savings-banner {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    background: #f0fdf4;
    border: 1.5px solid #bbf7d0;
    border-radius: var(--rp-radius-sm);
    padding: 0.6rem 0.85rem;
    font-size: 0.815rem;
    color: #166534;
    margin-bottom: 1rem;
    line-height: 1.45;
}

.rp-savings-banner svg {
    flex-shrink: 0;
    margin-top: 1px;
}

/* ── Charts Row ─────────────────────────────────────────────────────────────── */
.rp-charts-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 0.85rem;
    margin-bottom: 1rem;
    align-items: start;
}

@media (max-width: 700px) {
    .rp-charts-row {
        grid-template-columns: 1fr;
    }
}

.rp-chart-card {
    background: var(--rp-bg-soft);
    border: 1.5px solid var(--rp-border);
    border-radius: var(--rp-radius);
    padding: 0.85rem 0.9rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.55rem;
}

.rp-chart-card--line {
    align-items: stretch;
}

.rp-chart-title {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--rp-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
    align-self: flex-start;
}

/* Donut chart */
.rp-donut-wrap {
    position: relative;
    width: 130px;
    height: 130px;
    flex-shrink: 0;
}

.rp-donut-wrap canvas {
    display: block;
    width: 130px !important;
    height: 130px !important;
}

.rp-donut-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    pointer-events: none;
}

.rp-donut-pct {
    display: block;
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--rp-accent-dark);
    line-height: 1.1;
}

.rp-donut-sub {
    display: block;
    font-size: 0.62rem;
    font-weight: 600;
    color: var(--rp-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* Line chart */
.rp-line-wrap {
    width: 100%;
    height: 128px;
    position: relative;
}

.rp-line-wrap canvas {
    display: block;
    width: 100% !important;
    height: 128px !important;
}

/* Chart legend */
.rp-chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0.8rem;
    align-items: center;
    width: 100%;
}

.rp-legend-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.rp-legend-dot--principal { background: var(--rp-accent); }
.rp-legend-dot--interest  { background: var(--rp-interest); }
.rp-legend-dot--balance   { background: var(--rp-accent); }
.rp-legend-dot--extra     { background: var(--rp-green); }

.rp-legend-label {
    font-size: 0.7rem;
    color: var(--rp-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

/* ── Amortization Schedule ──────────────────────────────────────────────────── */
.rp-schedule-section {
    border-top: 1.5px solid var(--rp-border-soft);
    padding-top: 0.9rem;
}

.rp-schedule-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: 1.5px solid var(--rp-border);
    border-radius: var(--rp-radius-sm);
    padding: 0.5rem 0.9rem;
    font-size: 0.815rem;
    font-weight: 600;
    color: var(--rp-text-secondary);
    cursor: pointer;
    font-family: inherit;
    transition: background var(--rp-transition), border-color var(--rp-transition), color var(--rp-transition);
    width: 100%;
    justify-content: flex-start;
}

.rp-schedule-toggle:hover {
    background: var(--rp-bg-muted);
    border-color: var(--rp-accent);
    color: var(--rp-accent-dark);
}

.rp-toggle-chevron {
    margin-left: auto;
    transition: transform 0.2s ease;
    flex-shrink: 0;
}

.rp-schedule-toggle[aria-expanded="true"] .rp-toggle-chevron {
    transform: rotate(180deg);
}

.rp-schedule-wrap {
    margin-top: 0.75rem;
    border: 1.5px solid var(--rp-border);
    border-radius: var(--rp-radius);
    overflow: hidden;
}

.rp-table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-height: 320px;
    overflow-y: auto;
}

.rp-schedule-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.78rem;
    color: var(--rp-text-primary);
    min-width: 480px;
}

.rp-schedule-table thead {
    position: sticky;
    top: 0;
    z-index: 2;
}

.rp-schedule-table th {
    background: var(--rp-bg-muted);
    font-weight: 700;
    text-align: right;
    padding: 0.5rem 0.75rem;
    color: var(--rp-text-secondary);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1.5px solid var(--rp-border);
    white-space: nowrap;
}

.rp-schedule-table th:first-child,
.rp-schedule-table td:first-child {
    text-align: left;
    padding-left: 0.9rem;
}

.rp-schedule-table th:nth-child(2),
.rp-schedule-table td:nth-child(2) {
    text-align: left;
}

.rp-schedule-table td {
    padding: 0.42rem 0.75rem;
    text-align: right;
    border-bottom: 1px solid var(--rp-border-soft);
    color: var(--rp-text-secondary);
    font-variant-numeric: tabular-nums;
}

.rp-schedule-table tbody tr:last-child td {
    border-bottom: none;
}

.rp-schedule-table tbody tr:nth-child(even) {
    background: var(--rp-bg-soft);
}

.rp-schedule-table tbody tr:hover {
    background: var(--rp-accent-light);
}

.rp-schedule-table .rp-col-interest {
    color: var(--rp-warning-text);
}

.rp-schedule-table .rp-col-principal {
    color: var(--rp-accent-dark);
}

.rp-schedule-table .rp-row-lump {
    background: #f0fdf4 !important;
}

.rp-schedule-table .rp-row-lump td {
    color: #166534;
    font-weight: 600;
}

/* ── Responsive tweaks ──────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .rp-result-value {
        font-size: 0.95rem;
    }
    .rp-result-card--primary .rp-result-value {
        font-size: 1.05rem;
    }
    .rp-actions {
        flex-direction: column;
    }
    .rp-btn {
        width: 100%;
        justify-content: center;
    }
    .rp-donut-wrap {
        width: 120px;
        height: 120px;
    }
    .rp-donut-wrap canvas {
        width: 120px !important;
        height: 120px !important;
    }
}