/* ═══════════════════════════════════════════════════════════════════════════
 * INFLATION CALCULATOR — assets/css/inflation-calc.css
 * Namespace: ic- (inflation-calc)
 * ═══════════════════════════════════════════════════════════════════════════ */

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

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

.ic-widget-heading {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--ic-text-primary);
    margin: 0 0 1.25rem 0;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--ic-border);
}

/* ── TABS ────────────────────────────────────────────────────────────────── */
.ic-tabs {
    display: flex;
    gap: 0;
    background: var(--ic-bg-muted);
    border-radius: var(--ic-radius-sm);
    padding: 3px;
    margin-bottom: 1.25rem;
}

.ic-tab-btn {
    flex: 1;
    background: none;
    border: none;
    padding: 0.45rem 0.5rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--ic-text-secondary);
    border-radius: calc(var(--ic-radius-sm) - 2px);
    cursor: pointer;
    transition: background var(--ic-transition), color var(--ic-transition);
    white-space: nowrap;
}

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

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

/* ── INPUT GRID ──────────────────────────────────────────────────────────── */
.ic-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem 1rem;
    margin-bottom: 1rem;
}

.ic-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.ic-input-group.ic-span-2 {
    grid-column: 1 / -1;
}

.ic-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ic-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.ic-hint {
    font-weight: 400;
    color: var(--ic-text-muted);
    font-size: 0.7rem;
}

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

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

.ic-prefix,
.ic-suffix {
    padding: 0 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--ic-text-muted);
    background: var(--ic-bg-muted);
    align-self: stretch;
    display: flex;
    align-items: center;
    border-right: 1.5px solid var(--ic-border);
    user-select: none;
}

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

.ic-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0.48rem 0.55rem;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--ic-text-primary);
    outline: none;
    min-width: 0;
    -moz-appearance: textfield;
}

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

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

/* Select Input */
.ic-select {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0.48rem 0.55rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--ic-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 0.55rem center;
    padding-right: 1.6rem;
}

/* ── BUTTONS ─────────────────────────────────────────────────────────────── */
.ic-btn-row {
    display: flex;
    gap: 0.6rem;
    margin-top: 0.15rem;
}

.ic-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    border: none;
    border-radius: var(--ic-radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--ic-transition), transform var(--ic-transition);
    padding: 0.55rem 1.1rem;
}

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

.ic-btn-primary {
    flex: 1;
    background: var(--ic-accent);
    color: #fff;
    padding: 0.6rem 1.2rem;
}

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

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

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

/* ── RESULTS ─────────────────────────────────────────────────────────────── */
.ic-results {
    margin-top: 1.25rem;
    border-top: 2px solid var(--ic-border-soft);
    padding-top: 1.1rem;
}

.ic-results-heading {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--ic-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin: 0 0 0.75rem 0;
}

/* Summary Cards */
.ic-summary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
    margin-bottom: 0.85rem;
}

.ic-summary-card {
    background: var(--ic-bg-soft);
    border: 1.5px solid var(--ic-border);
    border-radius: var(--ic-radius-sm);
    padding: 0.6rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

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

.ic-summary-card.ic-card-span2 {
    grid-column: 1 / -1;
    background: var(--ic-bg-muted);
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.3rem 1rem;
}

.ic-card-label {
    font-size: 0.7rem;
    color: var(--ic-text-muted);
    font-weight: 500;
}

.ic-card-value {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--ic-accent-dark);
    line-height: 1;
}

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

.ic-card-sub {
    font-size: 0.67rem;
    color: var(--ic-text-muted);
    margin-top: 0.1rem;
}

.ic-card-span2 .ic-card-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--ic-text-secondary);
}

.ic-card-span2 .ic-card-value {
    font-size: 0.95rem;
    color: var(--ic-text-primary);
}

/* Breakdown Bar */
.ic-breakdown {
    background: var(--ic-bg-soft);
    border: 1.5px solid var(--ic-border);
    border-radius: var(--ic-radius-sm);
    padding: 0.65rem 0.75rem;
    margin-bottom: 0.75rem;
}

.ic-breakdown-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--ic-text-secondary);
    margin-bottom: 0.4rem;
}

.ic-breakdown-bar {
    height: 10px;
    border-radius: 999px;
    overflow: hidden;
    display: flex;
    background: var(--ic-bg-muted);
    margin-bottom: 0.4rem;
}

.ic-bar-original {
    background: var(--ic-accent);
    transition: width 0.5s ease;
    height: 100%;
}

.ic-bar-inflation {
    background: var(--ic-interest);
    transition: width 0.5s ease;
    height: 100%;
}

.ic-breakdown-legend {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.ic-legend-item {
    font-size: 0.68rem;
    color: var(--ic-text-secondary);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

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

.ic-legend-dot-original { background: var(--ic-accent); }
.ic-legend-dot-inflation { background: var(--ic-interest); }

/* Warning Box */
.ic-notice {
    background: var(--ic-warning-bg);
    border: 1px solid var(--ic-warning-brd);
    border-radius: var(--ic-radius-sm);
    padding: 0.6rem 0.75rem;
    font-size: 0.72rem;
    color: var(--ic-warning-text);
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    margin-top: 0.6rem;
    line-height: 1.45;
}

.ic-notice svg {
    flex-shrink: 0;
    margin-top: 1px;
}

/* ── CHART SECTION ───────────────────────────────────────────────────────── */
.ic-chart-section {
    margin-top: 0.85rem;
    background: var(--ic-bg-soft);
    border: 1.5px solid var(--ic-border);
    border-radius: var(--ic-radius-sm);
    padding: 0.75rem;
}

.ic-chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.ic-chart-title {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--ic-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.07em;
}

.ic-chart-type-toggle {
    display: flex;
    gap: 0;
    background: var(--ic-bg-muted);
    border-radius: 4px;
    padding: 2px;
}

.ic-chart-type-btn {
    background: none;
    border: none;
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--ic-text-muted);
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
    cursor: pointer;
    transition: background var(--ic-transition), color var(--ic-transition);
}

.ic-chart-type-btn.ic-chart-type-active {
    background: var(--ic-bg);
    color: var(--ic-accent-dark);
    box-shadow: 0 1px 2px rgba(0,0,0,0.08);
}

.ic-chart-canvas-wrap {
    position: relative;
    height: 180px;
}

.ic-chart-canvas-wrap canvas {
    max-height: 180px;
}

/* Donut chart labels overlay */
.ic-donut-labels {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    pointer-events: none;
}

.ic-donut-main {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--ic-text-primary);
    line-height: 1;
}

.ic-donut-sub {
    font-size: 0.62rem;
    color: var(--ic-text-muted);
    margin-top: 0.1rem;
}

/* ── YEAR TABLE (Milestones) ─────────────────────────────────────────────── */
.ic-milestones {
    margin-top: 0.75rem;
    border: 1.5px solid var(--ic-border);
    border-radius: var(--ic-radius-sm);
    overflow: hidden;
}

.ic-milestones-header {
    display: grid;
    grid-template-columns: 60px 1fr 1fr 1fr;
    background: var(--ic-bg-muted);
    padding: 0.4rem 0.6rem;
    font-size: 0.67rem;
    font-weight: 700;
    color: var(--ic-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    gap: 0.3rem;
}

.ic-milestones-body {
    max-height: 140px;
    overflow-y: auto;
}

.ic-milestones-body::-webkit-scrollbar {
    width: 4px;
}

.ic-milestones-body::-webkit-scrollbar-track {
    background: var(--ic-bg-soft);
}

.ic-milestones-body::-webkit-scrollbar-thumb {
    background: var(--ic-border);
    border-radius: 2px;
}

.ic-milestone-row {
    display: grid;
    grid-template-columns: 60px 1fr 1fr 1fr;
    padding: 0.38rem 0.6rem;
    font-size: 0.73rem;
    color: var(--ic-text-secondary);
    border-top: 1px solid var(--ic-border-soft);
    gap: 0.3rem;
    align-items: center;
    transition: background var(--ic-transition);
}

.ic-milestone-row:hover {
    background: var(--ic-accent-light);
}

.ic-milestone-row.ic-row-highlight {
    background: var(--ic-accent-light);
    font-weight: 600;
    color: var(--ic-accent-dark);
}

.ic-milestone-year {
    font-weight: 700;
    color: var(--ic-text-primary);
}

.ic-milestone-row.ic-row-highlight .ic-milestone-year {
    color: var(--ic-accent-dark);
}

/* ── PURCHASING POWER TAB ────────────────────────────────────────────────── */
.ic-pp-results {
    margin-top: 1.1rem;
}

.ic-pp-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem;
    margin-bottom: 0.75rem;
}

.ic-pp-card {
    background: var(--ic-bg-soft);
    border: 1.5px solid var(--ic-border);
    border-radius: var(--ic-radius-sm);
    padding: 0.65rem 0.75rem;
}

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

.ic-pp-label {
    font-size: 0.68rem;
    color: var(--ic-text-muted);
    font-weight: 500;
    margin-bottom: 0.15rem;
}

.ic-pp-value {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--ic-text-primary);
    line-height: 1;
}

.ic-pp-card-primary .ic-pp-value {
    color: var(--ic-accent-dark);
}

.ic-pp-sub {
    font-size: 0.67rem;
    color: var(--ic-text-muted);
    margin-top: 0.15rem;
}

/* ── REVERSE INFLATION TAB ───────────────────────────────────────────────── */
.ic-rev-results {
    margin-top: 1.1rem;
}

/* ── SALARY TAB ──────────────────────────────────────────────────────────── */
.ic-sal-results {
    margin-top: 1.1rem;
}

/* ── HIDDEN ──────────────────────────────────────────────────────────────── */
.ic-panel { display: none; }
.ic-panel.ic-panel-active { display: block; }
[hidden] { display: none !important; }

/* ── RESPONSIVE ──────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    .ic-tabs {
        flex-wrap: wrap;
    }

    .ic-tab-btn {
        font-size: 0.72rem;
        padding: 0.4rem 0.4rem;
    }

    .ic-inputs {
        grid-template-columns: 1fr;
        gap: 0.7rem;
    }

    .ic-input-group.ic-span-2 {
        grid-column: 1;
    }

    .ic-summary-grid {
        grid-template-columns: 1fr;
    }

    .ic-milestones-header,
    .ic-milestone-row {
        grid-template-columns: 52px 1fr 1fr 1fr;
        font-size: 0.65rem;
    }

    .ic-pp-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 481px) and (max-width: 767px) {
    .ic-inputs {
        grid-template-columns: 1fr 1fr;
    }
}