/* ============================================
   KPI Page Styles — Monthly bar charts
   with dynamic month / full-year view toggle
   ============================================ */

.kpi-page {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.kpi-header {
    margin-bottom: 0;
}

/* ---- Header actions (month select + toggle) ---- */

.kpi-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.kpi-month-select {
    min-width: 120px;
}

/* ---- Hero card ---- */

.kpi-overview-grid {
    display: grid;
    grid-template-columns: 1fr;
}

.kpi-hero-card {
    background: linear-gradient(135deg, #1f2a56 0%, #4130b4 55%, #6c5ce7 100%);
    border-radius: var(--radius-xl);
    padding: 28px;
    color: white;
    box-shadow: var(--shadow-lg);
}

.kpi-hero-top {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.kpi-pill {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.12);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 14px;
}

.kpi-hero-card h2 {
    font-size: 26px;
    line-height: 1.15;
    margin-bottom: 8px;
}

.kpi-hero-card p {
    max-width: 620px;
    color: rgba(255, 255, 255, 0.82);
}

.kpi-hero-badge {
    height: fit-content;
    border-radius: var(--radius-full);
    padding: 10px 14px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.kpi-hero-badge.balanced {
    background: rgba(0, 184, 148, 0.2);
    color: #b8ffe8;
}

.kpi-hero-badge.watch {
    background: rgba(253, 203, 110, 0.22);
    color: #fff0c2;
}

.kpi-hero-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-top: 22px;
}

.kpi-hero-metrics div {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 16px;
}

.kpi-hero-metrics .label {
    display: block;
    font-size: 11px;
    color: rgba(255, 255, 255, 0.72);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.kpi-hero-metrics strong {
    font-size: 20px;
}

/* ---- Charts stack ---- */

.kpi-charts-stack {
    display: grid;
    gap: 20px;
}

.kpi-chart-card {
    padding: 0;
    overflow: hidden;
    border-radius: 24px;
}

.kpi-card-header {
    padding: 24px 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
}

.kpi-card-header-stats {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.kpi-stat-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    background: var(--primary-bg);
    color: var(--primary-dark);
    font-size: 11px;
    font-weight: 600;
}

.kpi-stat-chip strong {
    font-size: 13px;
}

.kpi-stat-chip.chip-gap {
    background: rgba(225, 112, 85, 0.12);
    color: var(--accent-coral);
}

.kpi-stat-chip.chip-ok {
    background: rgba(0, 184, 148, 0.12);
    color: var(--accent-green);
}

/* ---- Vertical bar chart (shared by FTE, Salary, Churn) ---- */

.kpi-bar-chart-shell {
    padding: 20px 24px 24px;
}

.kpi-bar-chart-legend {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 18px;
    font-size: 12px;
    color: var(--text-secondary);
}

.kpi-bar-chart-legend span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.kpi-legend-swatch {
    width: 12px;
    height: 12px;
    border-radius: 999px;
    display: inline-block;
}

.kpi-legend-swatch.budget {
    background: linear-gradient(180deg, #7c6ef6, #a29bfe);
}

.kpi-legend-swatch.current {
    background: linear-gradient(180deg, #00b894, #55efc4);
}

.kpi-legend-swatch.leavers {
    background: linear-gradient(180deg, #e17055, #fab1a0);
}

.kpi-bar-chart-scroll {
    overflow-x: auto;
    padding-bottom: 4px;
}

/* Year view: 12-column grid */
.kpi-bar-chart {
    display: grid;
    grid-template-columns: repeat(12, minmax(72px, 1fr));
    gap: 14px;
    min-width: 940px;
}

/* Single-month view: centered single column */
.kpi-bar-chart.kpi-bar-chart-single {
    grid-template-columns: 1fr;
    max-width: 280px;
    margin: 0 auto;
    min-width: 0;
}

.kpi-bar-month {
    display: grid;
    gap: 8px;
    padding: 16px 12px 14px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: linear-gradient(180deg, #ffffff 0%, #faf9ff 100%);
    text-align: center;
    transition: border-color 0.15s, box-shadow 0.15s;
}

/* Clickable months in year view */
.kpi-bar-month-clickable {
    cursor: pointer;
}

.kpi-bar-month-clickable:hover {
    border-color: rgba(108, 92, 231, 0.3);
    box-shadow: 0 0 0 2px rgba(108, 92, 231, 0.06);
}

/* Active (selected) month in year view */
.kpi-bar-month.active {
    border-color: rgba(108, 92, 231, 0.45);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

/* Single-month enlarged card */
.kpi-bar-month-single {
    padding: 24px 20px 20px;
}

.kpi-bar-values {
    display: flex;
    align-items: flex-end;
    justify-content: center;
    gap: 6px;
    height: 180px;
    padding: 0 4px;
}

/* Taller bars for single-month */
.kpi-bar-values-single {
    height: 220px;
    gap: 14px;
}

.kpi-bar-column {
    width: 18px;
    min-height: 8px;
    border-radius: 12px 12px 6px 6px;
    display: inline-block;
    transition: height 0.3s ease;
}

/* Wider bars for single-month */
.kpi-bar-column-single {
    width: 48px;
}

.kpi-bar-column.budget {
    background: linear-gradient(180deg, #7c6ef6, #a29bfe);
}

.kpi-bar-column.current {
    background: linear-gradient(180deg, #00b894, #55efc4);
}

.kpi-bar-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
}

.kpi-bar-summary {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.kpi-bar-gap {
    font-size: 11px;
    font-weight: 700;
}

.kpi-bar-gap.gap {
    color: var(--accent-coral);
}

.kpi-bar-gap.ok {
    color: var(--accent-green);
}

.kpi-bar-leavers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 999px;
    background: linear-gradient(135deg, #e17055, #fab1a0);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    margin: 0 auto;
}

/* ---- Rolling churn trend strip ---- */

.kpi-trend-strip {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(88px, 1fr));
    gap: 10px;
    padding: 0 24px 20px;
}

.kpi-trend-chip {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-secondary);
    padding: 12px;
    text-align: left;
    cursor: pointer;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.kpi-trend-chip:hover {
    border-color: rgba(108, 92, 231, 0.3);
}

.kpi-trend-chip span {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 6px;
}

.kpi-trend-chip strong {
    font-size: 16px;
}

.kpi-trend-chip.ok strong {
    color: var(--accent-green);
}

.kpi-trend-chip.gap strong {
    color: var(--accent-coral);
}

.kpi-trend-chip.active {
    border-color: rgba(108, 92, 231, 0.45);
    box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.1);
}

/* ---- Responsive ---- */

@media (max-width: 1100px) {
    .kpi-hero-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .kpi-hero-top {
        flex-direction: column;
        align-items: flex-start;
    }

    .kpi-hero-metrics {
        grid-template-columns: 1fr;
    }

    .kpi-card-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .kpi-card-header-stats {
        width: 100%;
    }

    .kpi-header-actions {
        width: 100%;
    }

    .kpi-header-actions .btn,
    .kpi-month-select {
        width: 100%;
    }

    .kpi-bar-chart-shell,
    .kpi-trend-strip {
        padding-left: 18px;
        padding-right: 18px;
    }
}