/* ═══════════════════════════════════════════════════════════════════════════
 * CREDIT CARD CALCULATOR — assets/css/credit-card-calc.css
 * Namespace: cc- (credit-card-calc)
 * ═══════════════════════════════════════════════════════════════════════════ */

:root {
    --cc-accent:         #0ea5e9;
    --cc-accent-dark:    #0369a1;
    --cc-accent-light:   #e0f2fe;
    --cc-accent-hover:   #bae6fd;
    --cc-interest:       #fbbf24;
    --cc-teal:           #14b8a6;
    --cc-green:          #22c55e;
    --cc-red:            #ef4444;
    --cc-red-light:      #fef2f2;
    --cc-red-border:     #fecaca;
    --cc-warning-text:   #b45309;
    --cc-warning-bg:     #fffbeb;
    --cc-warning-brd:    #fde68a;
    --cc-bg:             #ffffff;
    --cc-bg-soft:        #f8fafc;
    --cc-bg-muted:       #f1f5f9;
    --cc-text-primary:   #0f172a;
    --cc-text-secondary: #475569;
    --cc-text-muted:     #94a3b8;
    --cc-border:         #e2e8f0;
    --cc-border-soft:    #f1f5f9;
    --cc-shadow-focus:   0 0 0 4px rgba(14, 165, 233, 0.15);
    --cc-radius:         10px;
    --cc-radius-sm:      6px;
    --cc-transition:     0.2s ease;
}

/* ── WIDGET SHELL ────────────────────────────────────────────────────────── */
.cc-widget {
    font-family: inherit;
    color: var(--cc-text-primary);
}

.cc-widget-heading {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--cc-text-primary);
    margin: 0 0 1.1rem;
    padding-bottom: 0.7rem;
    border-bottom: 2px solid var(--cc-border);
}

/* ── TABS ────────────────────────────────────────────────────────────────── */
.cc-tabs {
    display: flex;
    gap: 0;
    background: var(--cc-bg-muted);
    border-radius: var(--cc-radius-sm);
    padding: 3px;
    margin-bottom: 1.1rem;
    flex-wrap: wrap;
}

.cc-tab-btn {
    flex: 1;
    min-width: 0;
    background: none;
    border: none;
    padding: 0.42rem 0.45rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--cc-text-secondary);
    border-radius: calc(var(--cc-radius-sm) - 2px);
    cursor: pointer;
    transition: background var(--cc-transition), color var(--cc-transition);
    white-space: nowrap;
    text-align: center;
    line-height: 1.3;
}

.cc-tab-btn:hover { color: var(--cc-accent-dark); }

.cc-tab-btn.cc-tab-active {
    background: var(--cc-bg);
    color: var(--cc-accent-dark);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* ── PANELS ──────────────────────────────────────────────────────────────── */
.cc-panel { display: none; }
.cc-panel.cc-panel-active { display: block; }

/* ── INPUTS ──────────────────────────────────────────────────────────────── */
.cc-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem 1rem;
    margin-bottom: 0.9rem;
}

.cc-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.28rem;
}

.cc-input-group.cc-span2 { grid-column: 1 / -1; }

.cc-label {
    font-size: 0.73rem;
    font-weight: 600;
    color: var(--cc-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.cc-hint {
    font-weight: 400;
    color: var(--cc-text-muted);
    font-size: 0.68rem;
}

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

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

.cc-prefix, .cc-suffix {
    padding: 0 0.48rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--cc-text-muted);
    background: var(--cc-bg-muted);
    align-self: stretch;
    display: flex;
    align-items: center;
    border-right: 1.5px solid var(--cc-border);
    user-select: none;
    flex-shrink: 0;
}

.cc-suffix {
    border-right: none;
    border-left: 1.5px solid var(--cc-border);
}

.cc-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0.46rem 0.52rem;
    font-size: 0.86rem;
    font-weight: 500;
    color: var(--cc-text-primary);
    outline: none;
    min-width: 0;
    -moz-appearance: textfield;
}

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

.cc-select {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0.46rem 1.6rem 0.46rem 0.52rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--cc-text-primary);
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    min-width: 0;
}

.cc-input-desc {
    font-size: 0.67rem;
    color: var(--cc-text-muted);
    line-height: 1.3;
}

/* Range slider */
.cc-range-wrap {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.15rem;
}

.cc-range {
    flex: 1;
    accent-color: var(--cc-accent);
    height: 4px;
    cursor: pointer;
}

.cc-range-val {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--cc-accent-dark);
    min-width: 2.8rem;
    text-align: right;
}

/* ── BUTTONS ─────────────────────────────────────────────────────────────── */
.cc-btn-row {
    display: flex;
    gap: 0.55rem;
    margin-top: 0.1rem;
}

.cc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.38rem;
    border: none;
    border-radius: var(--cc-radius-sm);
    font-size: 0.84rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--cc-transition), transform var(--cc-transition);
    padding: 0.55rem 1rem;
}

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

.cc-btn-primary {
    flex: 1;
    background: var(--cc-accent);
    color: #fff;
}

.cc-btn-primary:hover { background: var(--cc-accent-dark); }

.cc-btn-clear {
    background: var(--cc-bg-muted);
    color: var(--cc-text-secondary);
    border: 1.5px solid var(--cc-border);
}

.cc-btn-clear:hover { background: var(--cc-border); color: var(--cc-text-primary); }

/* ── ERROR ───────────────────────────────────────────────────────────────── */
.cc-error {
    background: var(--cc-red-light);
    border: 1px solid var(--cc-red-border);
    color: var(--cc-red);
    border-radius: var(--cc-radius-sm);
    padding: 0.45rem 0.65rem;
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 0.7rem;
}

[hidden] { display: none !important; }

/* ── RESULTS ─────────────────────────────────────────────────────────────── */
.cc-results {
    margin-top: 1.1rem;
    border-top: 2px solid var(--cc-border-soft);
    padding-top: 1rem;
}

.cc-results-label {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--cc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 0 0 0.7rem;
}

/* Summary grid */
.cc-summary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.55rem;
    margin-bottom: 0.75rem;
}

.cc-summary-card {
    background: var(--cc-bg-soft);
    border: 1.5px solid var(--cc-border);
    border-radius: var(--cc-radius-sm);
    padding: 0.55rem 0.7rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.cc-summary-card.cc-card-accent {
    background: var(--cc-accent-light);
    border-color: var(--cc-accent);
}

.cc-summary-card.cc-card-warn {
    background: var(--cc-warning-bg);
    border-color: var(--cc-warning-brd);
}

.cc-summary-card.cc-card-danger {
    background: var(--cc-red-light);
    border-color: var(--cc-red-border);
}

.cc-summary-card.cc-span2 {
    grid-column: 1 / -1;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem 1.2rem;
}

.cc-card-lbl {
    font-size: 0.68rem;
    color: var(--cc-text-muted);
    font-weight: 500;
}

.cc-card-val {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--cc-accent-dark);
    line-height: 1;
}

.cc-card-accent .cc-card-val { color: var(--cc-accent-dark); font-size: 1.25rem; }
.cc-card-warn   .cc-card-val { color: var(--cc-warning-text); }
.cc-card-danger .cc-card-val { color: var(--cc-red); }

.cc-card-sub {
    font-size: 0.65rem;
    color: var(--cc-text-muted);
    margin-top: 0.08rem;
}

.cc-span2 .cc-card-lbl { font-size: 0.7rem; font-weight: 600; color: var(--cc-text-secondary); }
.cc-span2 .cc-card-val { font-size: 0.92rem; color: var(--cc-text-primary); }

/* ── BREAKDOWN BAR ───────────────────────────────────────────────────────── */
.cc-breakdown {
    background: var(--cc-bg-soft);
    border: 1.5px solid var(--cc-border);
    border-radius: var(--cc-radius-sm);
    padding: 0.6rem 0.7rem;
    margin-bottom: 0.7rem;
}

.cc-breakdown-lbl {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--cc-text-secondary);
    margin-bottom: 0.38rem;
}

.cc-bar-track {
    height: 10px;
    border-radius: 999px;
    overflow: hidden;
    display: flex;
    background: var(--cc-bg-muted);
    margin-bottom: 0.38rem;
}

.cc-bar-principal { background: var(--cc-accent);    height: 100%; transition: width .5s ease; }
.cc-bar-interest  { background: var(--cc-interest);  height: 100%; transition: width .5s ease; }
.cc-bar-fees      { background: var(--cc-red);       height: 100%; transition: width .5s ease; }

.cc-legend {
    display: flex;
    gap: 0.65rem;
    flex-wrap: wrap;
}

.cc-legend-item {
    font-size: 0.67rem;
    color: var(--cc-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.28rem;
}

.cc-legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.cc-dot-principal { background: var(--cc-accent); }
.cc-dot-interest  { background: var(--cc-interest); }
.cc-dot-fees      { background: var(--cc-red); }
.cc-dot-savings   { background: var(--cc-green); }
.cc-dot-remaining { background: var(--cc-teal); }

/* ── CHARTS ──────────────────────────────────────────────────────────────── */
.cc-charts-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
    margin-bottom: 0.7rem;
}

.cc-chart-box {
    background: var(--cc-bg-soft);
    border: 1.5px solid var(--cc-border);
    border-radius: var(--cc-radius-sm);
    padding: 0.6rem 0.65rem 0.5rem;
}

.cc-chart-title {
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--cc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.07em;
    margin-bottom: 0.4rem;
}

.cc-chart-canvas-wrap {
    position: relative;
    height: 150px;
}

.cc-chart-canvas-wrap canvas { max-height: 150px; }

/* Donut centre labels */
.cc-donut-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    pointer-events: none;
    line-height: 1;
}

.cc-donut-main {
    font-size: 1rem;
    font-weight: 800;
    color: var(--cc-text-primary);
}

.cc-donut-sub {
    font-size: 0.6rem;
    color: var(--cc-text-muted);
    margin-top: 0.15rem;
}

/* Chart legend row */
.cc-chart-legend {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.35rem;
}

/* ── PAYOFF SCHEDULE TABLE ────────────────────────────────────────────────── */
.cc-schedule {
    border: 1.5px solid var(--cc-border);
    border-radius: var(--cc-radius-sm);
    overflow: hidden;
    margin-bottom: 0.7rem;
}

.cc-schedule-header {
    display: grid;
    background: var(--cc-bg-muted);
    padding: 0.38rem 0.6rem;
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--cc-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    gap: 0.3rem;
}

.cc-schedule-body {
    max-height: 148px;
    overflow-y: auto;
}

.cc-schedule-body::-webkit-scrollbar { width: 4px; }
.cc-schedule-body::-webkit-scrollbar-track { background: var(--cc-bg-soft); }
.cc-schedule-body::-webkit-scrollbar-thumb { background: var(--cc-border); border-radius: 2px; }

.cc-schedule-row {
    display: grid;
    padding: 0.35rem 0.6rem;
    font-size: 0.71rem;
    color: var(--cc-text-secondary);
    border-top: 1px solid var(--cc-border-soft);
    gap: 0.3rem;
    align-items: center;
    transition: background var(--cc-transition);
}

.cc-schedule-row:hover { background: var(--cc-accent-light); }
.cc-schedule-row.cc-row-final {
    background: var(--cc-accent-light);
    font-weight: 600;
    color: var(--cc-accent-dark);
}

/* Column widths - payoff tab: Month | Payment | Principal | Interest | Balance */
.cc-sch-payoff { grid-template-columns: 42px 1fr 1fr 1fr 1fr; }

/* ── NOTICE ──────────────────────────────────────────────────────────────── */
.cc-notice {
    background: var(--cc-warning-bg);
    border: 1px solid var(--cc-warning-brd);
    border-radius: var(--cc-radius-sm);
    padding: 0.55rem 0.7rem;
    font-size: 0.7rem;
    color: var(--cc-warning-text);
    display: flex;
    align-items: flex-start;
    gap: 0.38rem;
    margin-top: 0.55rem;
    line-height: 1.45;
}

.cc-notice svg { flex-shrink: 0; margin-top: 1px; }
.cc-notice a { color: inherit; font-weight: 600; }

/* ── PROGRESS BAR (Payoff Health) ─────────────────────────────────────────── */
.cc-health-bar-wrap {
    background: var(--cc-bg-muted);
    border-radius: 999px;
    height: 8px;
    overflow: hidden;
    margin: 0.3rem 0 0.2rem;
}

.cc-health-bar-fill {
    height: 100%;
    border-radius: 999px;
    transition: width .5s ease, background .3s ease;
}

/* ── COMPARISON TABLE (Balance Transfer) ────────────────────────────────── */
.cc-compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.73rem;
    margin-bottom: 0.65rem;
}

.cc-compare-table th {
    background: var(--cc-bg-muted);
    color: var(--cc-text-muted);
    font-weight: 700;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.38rem 0.55rem;
    text-align: left;
    border-bottom: 1.5px solid var(--cc-border);
}

.cc-compare-table td {
    padding: 0.38rem 0.55rem;
    border-bottom: 1px solid var(--cc-border-soft);
    color: var(--cc-text-secondary);
    vertical-align: top;
}

.cc-compare-table tr:last-child td { border-bottom: none; }
.cc-compare-table .cc-td-highlight { color: var(--cc-green); font-weight: 700; }
.cc-compare-table .cc-td-label { font-weight: 600; color: var(--cc-text-primary); }

/* ── RESPONSIVE ──────────────────────────────────────────────────────────── */
@media (max-width: 520px) {
    .cc-inputs { grid-template-columns: 1fr; }
    .cc-input-group.cc-span2 { grid-column: 1; }
    .cc-summary-grid { grid-template-columns: 1fr; }
    .cc-charts-row { grid-template-columns: 1fr; }
    .cc-chart-canvas-wrap { height: 160px; }
    .cc-tab-btn { font-size: 0.69rem; padding: 0.38rem 0.35rem; }
    .cc-sch-payoff { grid-template-columns: 36px 1fr 1fr 1fr 1fr; font-size: 0.65rem; }
}

@media (min-width: 521px) and (max-width: 767px) {
    .cc-inputs { grid-template-columns: 1fr 1fr; }
}