/* ═══════════════════════════════════════════════════════════════════════════
 * SAVINGS CALCULATOR — saving-calc.css
 * Namespace: sc- (savings calculator)
 * All styles are scoped to #sc-calc or .sc-* to avoid conflicts.
 * ═══════════════════════════════════════════════════════════════════════════ */

/* ── Root / tokens (mirrors site color-scheme.md) ───────────────────────── */
#sc-calculator-container {
    --sc-accent:          #0ea5e9;
    --sc-accent-dark:     #0369a1;
    --sc-accent-light:    #e0f2fe;
    --sc-accent-hover:    #bae6fd;
    --sc-interest:        #fbbf24;
    --sc-interest-light:  #fffbeb;
    --sc-teal:            #14b8a6;
    --sc-green:           #22c55e;
    --sc-bg:              #ffffff;
    --sc-bg-soft:         #f8fafc;
    --sc-bg-muted:        #f1f5f9;
    --sc-text-primary:    #0f172a;
    --sc-text-secondary:  #475569;
    --sc-text-muted:      #94a3b8;
    --sc-border:          #e2e8f0;
    --sc-border-soft:     #f1f5f9;
    --sc-shadow-focus:    0 0 0 4px rgba(14, 165, 233, 0.15);
    --sc-radius:          10px;
    --sc-radius-sm:       6px;
    --sc-transition:      0.18s ease;
}

/* ── Widget wrapper ─────────────────────────────────────────────────────── */
#sc-calc {
    font-family: inherit;
    color: var(--sc-text-primary);
}

/* ── Tabs ────────────────────────────────────────────────────────────────── */
.sc-tabs {
    display: flex;
    gap: 6px;
    background: var(--sc-bg-muted);
    border-radius: var(--sc-radius);
    padding: 5px;
    margin-bottom: 22px;
}

.sc-tab {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 9px 14px;
    border: none;
    border-radius: calc(var(--sc-radius) - 3px);
    background: transparent;
    color: var(--sc-text-secondary);
    font-size: 0.845rem;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--sc-transition), color var(--sc-transition), box-shadow var(--sc-transition);
    white-space: nowrap;
    line-height: 1;
}

.sc-tab svg {
    flex-shrink: 0;
    opacity: 0.7;
    transition: opacity var(--sc-transition);
}

.sc-tab:hover:not(.sc-tab--active) {
    background: var(--sc-accent-hover);
    color: var(--sc-accent-dark);
}

.sc-tab--active {
    background: var(--sc-bg);
    color: var(--sc-accent-dark);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.10), 0 0 0 1px var(--sc-border);
    font-weight: 600;
}

.sc-tab--active svg {
    opacity: 1;
}

/* ── Panel ───────────────────────────────────────────────────────────────── */
.sc-panel--hidden {
    display: none;
}

/* ── Inputs grid ─────────────────────────────────────────────────────────── */
.sc-inputs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 18px;
}

@media (max-width: 540px) {
    .sc-inputs-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

/* ── Input group ─────────────────────────────────────────────────────────── */
.sc-input-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.sc-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--sc-text-primary);
    letter-spacing: 0.01em;
}

.sc-hint {
    font-size: 0.72rem;
    font-weight: 400;
    color: var(--sc-text-muted);
    background: var(--sc-bg-muted);
    border: 1px solid var(--sc-border-soft);
    padding: 1px 6px;
    border-radius: 4px;
    margin-left: auto;
    white-space: nowrap;
}

.sc-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.sc-prefix,
.sc-suffix {
    position: absolute;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--sc-text-muted);
    pointer-events: none;
    z-index: 1;
    top: 50%;
    transform: translateY(-50%);
    line-height: 1;
}

.sc-prefix {
    left: 12px;
}

.sc-suffix {
    right: 12px;
}

.sc-input {
    width: 100%;
    height: 42px;
    border: 1.5px solid var(--sc-border);
    border-radius: var(--sc-radius-sm);
    background: var(--sc-bg);
    color: var(--sc-text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: border-color var(--sc-transition), box-shadow var(--sc-transition);
    outline: none;
    appearance: none;
    -moz-appearance: textfield;
}

.sc-input::-webkit-inner-spin-button,
.sc-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Padding depends on prefix/suffix presence */
.sc-input-wrap:has(.sc-prefix) .sc-input {
    padding-left: 28px;
    padding-right: 14px;
}

.sc-input-wrap:has(.sc-suffix) .sc-input {
    padding-right: 34px;
    padding-left: 14px;
}

.sc-input-wrap:not(:has(.sc-prefix)):not(:has(.sc-suffix)) .sc-input {
    padding: 0 14px;
}

.sc-input:focus {
    border-color: var(--sc-accent);
    box-shadow: var(--sc-shadow-focus);
}

.sc-input:hover:not(:focus) {
    border-color: #cbd5e1;
}

.sc-desc {
    font-size: 0.72rem;
    color: var(--sc-text-muted);
    line-height: 1.3;
}

/* ── Select ──────────────────────────────────────────────────────────────── */
.sc-select-wrap {
    position: relative;
}

.sc-select {
    padding: 0 38px 0 14px !important;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

.sc-select-arrow {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--sc-text-muted);
}

/* ── Action buttons ──────────────────────────────────────────────────────── */
.sc-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
}

.sc-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    border: none;
    border-radius: var(--sc-radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--sc-transition), color var(--sc-transition),
                box-shadow var(--sc-transition), transform var(--sc-transition);
    line-height: 1;
    white-space: nowrap;
}

.sc-btn--primary {
    padding: 11px 22px;
    background: var(--sc-accent);
    color: #fff;
    box-shadow: 0 1px 3px rgba(14, 165, 233, 0.25);
}

.sc-btn--primary:hover {
    background: var(--sc-accent-dark);
    box-shadow: 0 3px 10px rgba(14, 165, 233, 0.35);
    transform: translateY(-1px);
}

.sc-btn--primary:active {
    transform: translateY(0);
}

.sc-btn--ghost {
    padding: 10px 16px;
    background: var(--sc-bg-muted);
    color: var(--sc-text-secondary);
    border: 1.5px solid var(--sc-border);
}

.sc-btn--ghost:hover {
    background: #fee2e2;
    border-color: #fca5a5;
    color: #dc2626;
}

/* ── Results section ─────────────────────────────────────────────────────── */
.sc-results {
    margin-top: 26px;
    padding-top: 24px;
    border-top: 1.5px solid var(--sc-border-soft);
    animation: sc-fade-in 0.28s ease forwards;
}

@keyframes sc-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.sc-results-header {
    margin-bottom: 16px;
}

.sc-results-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--sc-text-primary);
    margin: 0;
}

/* ── Summary cards ───────────────────────────────────────────────────────── */
.sc-summary-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

@media (max-width: 760px) {
    .sc-summary-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 400px) {
    .sc-summary-cards {
        grid-template-columns: 1fr 1fr;
    }
}

.sc-card {
    background: var(--sc-bg-soft);
    border: 1.5px solid var(--sc-border);
    border-radius: var(--sc-radius-sm);
    padding: 13px 14px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: border-color var(--sc-transition), box-shadow var(--sc-transition);
}

.sc-card:hover {
    border-color: #cbd5e1;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.sc-card--accent {
    background: var(--sc-accent-light);
    border-color: #bae6fd;
}

.sc-card-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--sc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    line-height: 1.2;
}

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

.sc-card--accent .sc-card-value {
    color: var(--sc-accent-dark);
    font-size: 1.3rem;
}

.sc-card-value--interest {
    color: #b45309;
}

.sc-card-value--muted {
    color: var(--sc-teal);
    font-size: 1.1rem;
}

/* ── Breakdown bar ───────────────────────────────────────────────────────── */
.sc-breakdown {
    margin-bottom: 20px;
}

.sc-breakdown-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--sc-text-secondary);
    margin-bottom: 8px;
    margin-top: 0;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.sc-breakdown-bar {
    display: flex;
    height: 10px;
    border-radius: 99px;
    overflow: hidden;
    background: var(--sc-bg-muted);
    border: 1px solid var(--sc-border);
}

.sc-bar-contributions {
    background: var(--sc-accent);
    transition: width 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    height: 100%;
}

.sc-bar-interest {
    background: var(--sc-interest);
    transition: width 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    height: 100%;
}

.sc-breakdown-legend {
    display: flex;
    gap: 16px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.sc-legend-item {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--sc-text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.sc-legend-item::before {
    content: '';
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.sc-legend--contributions::before {
    background: var(--sc-accent);
}

.sc-legend--interest::before {
    background: var(--sc-interest);
}

/* ── Year-by-year table ──────────────────────────────────────────────────── */
.sc-table-label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--sc-text-secondary);
    margin-bottom: 8px;
    margin-top: 0;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.sc-table-scroll {
    overflow-x: auto;
    border: 1.5px solid var(--sc-border);
    border-radius: var(--sc-radius-sm);
    -webkit-overflow-scrolling: touch;
}

.sc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
    min-width: 340px;
}

.sc-table thead {
    background: var(--sc-bg-muted);
}

.sc-table th {
    padding: 9px 14px;
    text-align: left;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--sc-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
    border-bottom: 1.5px solid var(--sc-border);
}

.sc-table td {
    padding: 8px 14px;
    color: var(--sc-text-secondary);
    border-bottom: 1px solid var(--sc-border-soft);
    white-space: nowrap;
}

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

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

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

.sc-table td:first-child {
    font-weight: 600;
    color: var(--sc-text-primary);
}

.sc-table td:last-child {
    font-weight: 700;
    color: var(--sc-accent-dark);
}

/* ── Responsive tweaks ───────────────────────────────────────────────────── */
@media (max-width: 640px) {
    .sc-tabs {
        gap: 4px;
        padding: 4px;
    }

    .sc-tab {
        font-size: 0.78rem;
        padding: 8px 10px;
        gap: 5px;
    }

    .sc-actions {
        flex-wrap: wrap;
    }

    .sc-btn--primary {
        flex: 1;
        justify-content: center;
    }
}

@media (max-width: 420px) {
    .sc-card-value {
        font-size: 1.05rem;
    }

    .sc-card--accent .sc-card-value {
        font-size: 1.12rem;
    }

    .sc-card-label {
        font-size: 0.65rem;
    }
}