/**
 * BrikPanel — Customer Analytics page styles.
 *
 * Follows the BrikPanel UI system:
 *  - Monochrome palette (#303030 primary, #f1f1f1 page bg, #e3e3e3 borders)
 *  - White cards with 0.75rem radius and subtle 0 1px 3px shadow
 *  - System font, 13px labels, 18px h1
 *  - 820px max-width centered (we widen to 1100px here for the table)
 */

.bp-ca {
	max-width: 1100px;
	margin: 1.25rem auto;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	color: #303030;
	line-height: 1.5;
}

.bp-ca *,
.bp-ca *::before,
.bp-ca *::after {
	box-sizing: border-box;
}

/* =============================================================================
   HEADER
   ============================================================================= */

.bp-ca-header {
	display: flex;
	justify-content: space-between;
	align-items: flex-end;
	gap: 1rem;
	margin-bottom: 1rem;
	flex-wrap: wrap;
}

.bp-ca-header-left h1 {
	margin: 0 0 0.25rem 0;
	font-size: 1.125rem;
	font-weight: 600;
	color: #303030;
}

.bp-ca-meta {
	font-size: 0.8125rem;
	color: #8a8a8a;
}

.bp-ca-header-right {
	display: flex;
	gap: 0.5rem;
}

/* =============================================================================
   BUTTONS
   ============================================================================= */

.bp-ca-btn {
	display: inline-flex;
	align-items: center;
	gap: 0.375rem;
	padding: 0.5rem 1rem;
	font-size: 0.8125rem;
	font-weight: 550;
	border-radius: 0.5rem;
	cursor: pointer;
	border: none;
	font-family: inherit;
	line-height: 1.2;
	transition: background 0.15s ease, box-shadow 0.15s ease;
}

.bp-ca-btn-primary {
	background: #303030;
	color: #fff;
	box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
.bp-ca-btn-primary:hover { background: #1a1a1a; }
.bp-ca-btn-primary:disabled { background: #8a8a8a; cursor: not-allowed; }

.bp-ca-btn-secondary {
	background: #fff;
	color: #303030;
	box-shadow: inset 0 0 0 1px #e3e3e3, 0 1px 0 rgba(0, 0, 0, 0.05);
}
.bp-ca-btn-secondary:hover { background: #f7f7f7; }
.bp-ca-btn-secondary:disabled { color: #8a8a8a; cursor: not-allowed; }

/* =============================================================================
   TABS
   ============================================================================= */

.bp-ca-tabs {
	display: flex;
	gap: 0.25rem;
	border-bottom: 1px solid #e3e3e3;
	margin-bottom: 1rem;
}

.bp-ca-tab {
	background: transparent;
	border: none;
	padding: 0.75rem 1rem;
	margin-bottom: -1px;
	font-size: 0.875rem;
	font-weight: 550;
	color: #616161;
	cursor: pointer;
	border-bottom: 2px solid transparent;
	display: inline-flex;
	align-items: center;
	gap: 0.5rem;
	font-family: inherit;
	transition: color 0.15s ease, border-color 0.15s ease;
}

.bp-ca-tab:hover:not(.is-disabled) {
	color: #303030;
}

.bp-ca-tab.is-active {
	color: #303030;
	border-bottom-color: #303030;
}

.bp-ca-tab.is-disabled {
	color: #8a8a8a;
	cursor: not-allowed;
}

.bp-ca-tab-soon {
	font-size: 0.6875rem;
	font-weight: 600;
	background: #f1f1f1;
	color: #8a8a8a;
	padding: 0.125rem 0.4rem;
	border-radius: 999px;
	letter-spacing: 0.01em;
}

/* =============================================================================
   STATS GRID (4 KPI cards)
   ============================================================================= */

.bp-ca-stats {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 1rem;
	margin-bottom: 1rem;
}

@media (max-width: 900px) {
	.bp-ca-stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
	.bp-ca-stats { grid-template-columns: 1fr; }
}

.bp-ca-stat {
	background: #fff;
	border: 1px solid #e3e3e3;
	border-radius: 0.75rem;
	padding: 1rem 1.25rem;
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.bp-ca-stat-label {
	font-size: 0.75rem;
	font-weight: 600;
	color: #8a8a8a;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	margin-bottom: 0.5rem;
}

.bp-ca-stat-value {
	font-size: 1.375rem;
	font-weight: 600;
	color: #303030;
	line-height: 1.2;
}

.bp-ca-stat-sub {
	margin-top: 0.5rem;
	font-size: 0.75rem;
	color: #616161;
	display: flex;
	gap: 0.375rem;
	flex-wrap: wrap;
}

/* =============================================================================
   CARDS
   ============================================================================= */

.bp-ca-card {
	background: #fff;
	border: 1px solid #e3e3e3;
	border-radius: 0.75rem;
	padding: 1.25rem 1.5rem;
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
	margin-bottom: 1rem;
}

.bp-ca-card-header {
	margin-bottom: 1rem;
}

.bp-ca-card-header h2 {
	margin: 0 0 0.25rem 0;
	font-size: 0.9375rem;
	font-weight: 600;
	color: #303030;
}

.bp-ca-card-sub {
	margin: 0;
	font-size: 0.8125rem;
	color: #8a8a8a;
}

.bp-ca-chart-wrap {
	position: relative;
	width: 100%;
}

/* =============================================================================
   TABLE
   ============================================================================= */

.bp-ca-table-wrap {
	overflow-x: auto;
	margin: 0 -0.5rem;
}

.bp-ca-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.875rem;
}

.bp-ca-table thead th {
	text-align: left;
	font-size: 0.75rem;
	font-weight: 600;
	color: #8a8a8a;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	border-bottom: 1px solid #e3e3e3;
	padding: 0.625rem 0.75rem;
}

.bp-ca-table thead th.num {
	text-align: right;
}

.bp-ca-table tbody td {
	padding: 0.75rem;
	border-bottom: 1px solid #f1f1f1;
	color: #303030;
	vertical-align: middle;
}

.bp-ca-table tbody td.num {
	text-align: right;
	font-variant-numeric: tabular-nums;
}

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

.bp-ca-table tbody tr:hover td {
	background: #fafafa;
}

.bp-ca-customer-cell {
	display: flex;
	flex-direction: column;
	gap: 0.125rem;
}

.bp-ca-customer-name {
	font-weight: 600;
	color: #303030;
}

.bp-ca-customer-email {
	font-size: 0.75rem;
	color: #8a8a8a;
}

.bp-ca-guest-pill {
	display: inline-block;
	font-size: 0.6875rem;
	font-weight: 600;
	background: #f1f1f1;
	color: #616161;
	padding: 0.125rem 0.4rem;
	border-radius: 999px;
	margin-left: 0.5rem;
	vertical-align: middle;
}

.bp-ca-empty {
	text-align: center;
	padding: 2rem 1rem;
	color: #8a8a8a;
	font-size: 0.875rem;
}

/* =============================================================================
   PAGINATION
   ============================================================================= */

.bp-ca-pagination {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 0.75rem;
	margin-top: 1rem;
}

.bp-ca-page-info {
	font-size: 0.8125rem;
	color: #616161;
	font-variant-numeric: tabular-nums;
}

/* =============================================================================
   RFM TAB
   ============================================================================= */

.bp-ca-rfm-layout {
	display: grid;
	grid-template-columns: 1fr 280px;
	gap: 1.5rem;
	align-items: start;
}

@media (max-width: 900px) {
	.bp-ca-rfm-layout { grid-template-columns: 1fr; }
	.bp-ca-rfm-chart { max-width: 320px; margin: 0 auto; }
}

.bp-ca-rfm-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 0.625rem;
}

@media (max-width: 600px) {
	.bp-ca-rfm-grid { grid-template-columns: 1fr; }
}

.bp-ca-rfm-card {
	background: #fff;
	border: 1px solid #e3e3e3;
	border-radius: 0.5rem;
	padding: 0.75rem 0.875rem;
	cursor: pointer;
	transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
	display: flex;
	flex-direction: column;
	gap: 0.375rem;
	font-family: inherit;
	text-align: left;
}

.bp-ca-rfm-card:hover {
	border-color: #303030;
	box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.bp-ca-rfm-card.is-active {
	border-color: #303030;
	box-shadow: 0 0 0 1px #303030, 0 2px 6px rgba(0, 0, 0, 0.08);
}

.bp-ca-rfm-card.is-empty {
	opacity: 0.55;
	cursor: default;
}

.bp-ca-rfm-card.is-empty:hover {
	border-color: #e3e3e3;
	box-shadow: none;
}

.bp-ca-rfm-card-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 0.5rem;
}

.bp-ca-rfm-dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	flex-shrink: 0;
}

.bp-ca-rfm-card-name {
	font-size: 0.8125rem;
	font-weight: 600;
	color: #303030;
	flex: 1;
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

.bp-ca-rfm-card-count {
	font-size: 0.875rem;
	font-weight: 600;
	color: #303030;
	font-variant-numeric: tabular-nums;
}

.bp-ca-rfm-card-share {
	font-size: 0.6875rem;
	color: #8a8a8a;
	margin-left: 0.25rem;
}

.bp-ca-rfm-card-meta {
	display: flex;
	gap: 0.875rem;
	font-size: 0.6875rem;
	color: #616161;
	font-variant-numeric: tabular-nums;
}

.bp-ca-rfm-card-meta strong {
	color: #303030;
	font-weight: 600;
}

.bp-ca-rfm-card-desc {
	display: none;
	font-size: 0.75rem;
	color: #8a8a8a;
	line-height: 1.4;
	margin-top: 0.25rem;
}

.bp-ca-rfm-card.is-active .bp-ca-rfm-card-desc {
	display: block;
}

.bp-ca-rfm-chart {
	background: #fafafa;
	border: 1px solid #e3e3e3;
	border-radius: 0.5rem;
	padding: 1rem;
	display: flex;
	align-items: center;
	justify-content: center;
}

.bp-ca-rfm-actions {
	display: flex;
	gap: 0.5rem;
	margin-bottom: 0.75rem;
	flex-wrap: wrap;
}

/* RFM score pills (R/F/M numbers in the customer table) */
.bp-ca-rfm-pills {
	display: inline-flex;
	gap: 0.25rem;
	font-size: 0.6875rem;
	font-weight: 600;
	font-variant-numeric: tabular-nums;
}

.bp-ca-rfm-pill {
	background: #f1f1f1;
	color: #616161;
	padding: 0.125rem 0.4rem;
	border-radius: 999px;
	min-width: 1.5rem;
	text-align: center;
}

.bp-ca-rfm-pill.is-high { background: #e4f5e1; color: #1a6b15; }
.bp-ca-rfm-pill.is-low  { background: #fce4e4; color: #c62828; }

/* =============================================================================
   COHORT TAB (heatmap)
   ============================================================================= */

.bp-ca-cohort-header {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 1rem;
	flex-wrap: wrap;
}

.bp-ca-cohort-controls {
	display: flex;
	align-items: center;
	gap: 0.5rem;
	font-size: 0.8125rem;
	color: #616161;
	font-weight: 600;
}

.bp-ca-cohort-controls select {
	padding: 0.375rem 0.625rem;
	border: 1px solid #8a8a8a;
	border-radius: 0.5rem;
	background: #fff;
	color: #303030;
	font-size: 0.8125rem;
	font-weight: 400;
	font-family: inherit;
	cursor: pointer;
	outline: none;
	transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.bp-ca-cohort-controls select:focus {
	border-color: #303030;
	box-shadow: 0 0 0 1px #303030;
}

.bp-ca-cohort-heatmap-wrap {
	overflow-x: auto;
	margin: 0 -0.5rem;
}

.bp-ca-cohort-heatmap {
	display: inline-block;
	min-width: 100%;
	font-size: 0.75rem;
	font-variant-numeric: tabular-nums;
}

.bp-ca-cohort-row {
	display: flex;
	gap: 2px;
	margin-bottom: 2px;
}

.bp-ca-cohort-row.bp-ca-cohort-header-row {
	margin-bottom: 6px;
	padding-bottom: 6px;
	border-bottom: 1px solid #e3e3e3;
	color: #8a8a8a;
	font-weight: 600;
	font-size: 0.6875rem;
	text-transform: uppercase;
	letter-spacing: 0.04em;
}

.bp-ca-cohort-cell {
	flex-shrink: 0;
	width: 56px;
	height: 36px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 4px;
	color: #303030;
	font-weight: 600;
	background: #f7f7f7;
	transition: transform 0.1s ease;
}

.bp-ca-cohort-cell-empty {
	background: transparent;
	color: #c0c0c0;
}

.bp-ca-cohort-cell-month {
	width: 88px;
	background: transparent;
	color: #303030;
	font-weight: 600;
	justify-content: flex-start;
	padding-left: 0.25rem;
}

.bp-ca-cohort-cell-size {
	width: 64px;
	background: #fafafa;
	color: #616161;
	border: 1px solid #e3e3e3;
	font-weight: 550;
}

.bp-ca-cohort-cell-data {
	cursor: default;
}

.bp-ca-cohort-cell-data:hover {
	transform: scale(1.05);
	box-shadow: 0 0 0 1px #303030;
	z-index: 2;
	position: relative;
}

/* =============================================================================
   "COMING SOON" PLACEHOLDER (RFM / Cohort tabs in Phase 1)
   ============================================================================= */

.bp-ca-soon-card {
	background: #fff;
	border: 1px dashed #e3e3e3;
	border-radius: 0.75rem;
	padding: 3rem 2rem;
	text-align: center;
	box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.bp-ca-soon-card h2 {
	margin: 0 0 0.5rem 0;
	font-size: 1rem;
	font-weight: 600;
	color: #303030;
}

.bp-ca-soon-card p {
	margin: 0 auto;
	max-width: 480px;
	font-size: 0.875rem;
	color: #616161;
	line-height: 1.6;
}

/* =============================================================================
   TOAST NOTIFICATION
   ============================================================================= */

.bp-ca-toast {
	position: fixed;
	top: 44px;
	right: 20px;
	background: #e4f5e1;
	color: #1a6b15;
	border: 1px solid #b7e1b0;
	padding: 0.75rem 1rem;
	border-radius: 0.5rem;
	font-size: 0.8125rem;
	font-weight: 550;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
	transform: translateX(110%);
	transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
	z-index: 100000;
}

.bp-ca-toast.is-visible {
	transform: translateX(0);
}

.bp-ca-toast.is-error {
	background: #fce4e4;
	color: #c62828;
	border-color: #f1b0b0;
}
