/* ── Billing Design System ─────────────────────────────────────────────── */
/* Adapted from handoff: amber → app-blue #0071c1, parchment → light blue-grey */

:root {
    --bc-blue:        #0071c1;
    --bc-blue-dark:   #005a9e;
    --bc-blue-light:  #e8f3fb;
    --bc-blue-mid:    #cce3f5;
    --bc-ink:         #1a1a2e;
    --bc-ink-muted:   #4a4a6a;
    --bc-surface:     #f4f8fc;
    --bc-border:      #c8dff0;
    --bc-success:     #1e7e34;
    --bc-success-bg:  #d4edda;
    --bc-warning:     #856404;
    --bc-warning-bg:  #fff3cd;
    --bc-danger:      #b02a37;
    --bc-danger-bg:   #f8d7da;
    --bc-paid:        #0d6efd;
    --bc-paid-bg:     #dbeafe;
}

/* ── Layout ─────────────────────────────────────────────────────────────── */

.billing-shell {
    background: var(--bc-surface);
    min-height: 100vh;
    padding: 1.5rem;
}

.billing-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.billing-header h2 {
    color: var(--bc-ink);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.billing-header .sub {
    color: var(--bc-ink-muted);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* ── Stat Cards ─────────────────────────────────────────────────────────── */

.bc-stats {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.bc-stat {
    background: white;
    border: 1px solid var(--bc-border);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    position: relative;
    overflow: hidden;
}

.bc-stat::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--bc-blue);
}

.bc-stat.accent::before { background: var(--bc-blue-dark); }
.bc-stat.warn::before   { background: #e07b00; }
.bc-stat.danger::before { background: var(--bc-danger); }
.bc-stat.success::before{ background: var(--bc-success); }

.bc-stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--bc-ink-muted);
    margin-bottom: 0.35rem;
}

.bc-stat-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--bc-ink);
    line-height: 1.1;
}

.bc-stat-sub {
    font-size: 0.75rem;
    color: var(--bc-ink-muted);
    margin-top: 0.25rem;
}

/* ── Cards ──────────────────────────────────────────────────────────────── */

.bc-card {
    background: white;
    border: 1px solid var(--bc-border);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 1.25rem;
}

.bc-card-header {
    background: var(--bc-blue-light);
    border-bottom: 1px solid var(--bc-border);
    border-radius: 9px 9px 0 0;
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.bc-card-header h3 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--bc-blue-dark);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.bc-card-body {
    padding: 1rem 1.25rem;
}

/* ── Pricing Tier Bar ───────────────────────────────────────────────────── */

.bc-tier-bar {
    display: flex;
    border-radius: 6px;
    overflow: hidden;
    height: 14px;
    gap: 2px;
    margin: 0.5rem 0;
}

.bc-tier-segment {
    height: 100%;
    min-width: 4px;
    transition: flex 0.3s ease;
}

.bc-tier-segment:nth-child(1) { background: var(--bc-blue); }
.bc-tier-segment:nth-child(2) { background: #2a8fd1; }
.bc-tier-segment:nth-child(3) { background: #55aae0; }
.bc-tier-segment:nth-child(4) { background: #88c6ee; }
.bc-tier-segment:nth-child(5) { background: #b8ddf6; }

.bc-tier-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 0.72rem;
    color: var(--bc-ink-muted);
}

.bc-tier-legend-item {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

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

/* ── Status Pills ────────────────────────────────────────────────────────── */

.bc-status {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.2rem 0.55rem;
    border-radius: 20px;
}

.bc-status.draft    { background: #e9ecef; color: #495057; }
.bc-status.sent     { background: var(--bc-blue-mid); color: var(--bc-blue-dark); }
.bc-status.paid     { background: var(--bc-success-bg); color: var(--bc-success); }
.bc-status.overdue  { background: var(--bc-danger-bg); color: var(--bc-danger); }
.bc-status.cancelled{ background: #e9ecef; color: #6c757d; }
.bc-status.refunded { background: var(--bc-warning-bg); color: var(--bc-warning); }

/* Brevet billing status */
.bc-status.pending   { background: var(--bc-warning-bg); color: var(--bc-warning); }
.bc-status.billable  { background: var(--bc-blue-mid); color: var(--bc-blue-dark); }
.bc-status.billed    { background: var(--bc-success-bg); color: var(--bc-success); }

/* ── Table Rows ─────────────────────────────────────────────────────────── */

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

.bc-table th {
    text-align: left;
    padding: 0.5rem 0.75rem;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--bc-ink-muted);
    border-bottom: 2px solid var(--bc-border);
    white-space: nowrap;
}

.bc-table td {
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--bc-border);
    vertical-align: middle;
    color: var(--bc-ink);
}

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

.bc-table tr:hover td { background: var(--bc-blue-light); }

.bc-table .amount {
    font-weight: 700;
    color: var(--bc-blue-dark);
    text-align: right;
}

.bc-table .muted {
    color: var(--bc-ink-muted);
    font-size: 0.8rem;
}

/* ── Action Link / Button ────────────────────────────────────────────────── */

.bc-link {
    color: var(--bc-blue);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}

.bc-link:hover { color: var(--bc-blue-dark); text-decoration: underline; }

.bc-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: background 0.15s;
}

.bc-btn.primary {
    background: var(--bc-blue);
    color: white;
}

.bc-btn.primary:hover { background: var(--bc-blue-dark); }

.bc-btn.outline {
    background: transparent;
    color: var(--bc-blue);
    border: 1px solid var(--bc-blue);
}

.bc-btn.outline:hover { background: var(--bc-blue-light); }

/* ── Section Tabs (sub-nav within billing area) ──────────────────────────── */

.bc-tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 2px solid var(--bc-border);
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.bc-tab {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--bc-ink-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    text-decoration: none;
    transition: color 0.15s;
}

.bc-tab:hover { color: var(--bc-blue); }

.bc-tab.active {
    color: var(--bc-blue);
    border-bottom-color: var(--bc-blue);
}

/* ── Detail Header ───────────────────────────────────────────────────────── */

.bc-detail-hero {
    background: linear-gradient(135deg, var(--bc-blue-dark) 0%, var(--bc-blue) 100%);
    color: white;
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1.25rem;
}

.bc-detail-hero h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0 0 0.25rem;
}

.bc-detail-hero .meta {
    font-size: 0.85rem;
    opacity: 0.85;
}

/* ── Empty State ─────────────────────────────────────────────────────────── */

.bc-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--bc-ink-muted);
}

.bc-empty-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    opacity: 0.4;
}

/* ── Breakdown Table (tier breakdown inside receipt) ────────────────────── */

.bc-breakdown {
    background: var(--bc-blue-light);
    border-radius: 6px;
    padding: 0.6rem 0.75rem;
    font-size: 0.8rem;
}

.bc-breakdown-row {
    display: flex;
    justify-content: space-between;
    padding: 0.15rem 0;
    color: var(--bc-ink-muted);
}

.bc-breakdown-row.total {
    border-top: 1px solid var(--bc-border);
    margin-top: 0.25rem;
    padding-top: 0.35rem;
    font-weight: 700;
    color: var(--bc-ink);
}

/* ── Grid helpers ────────────────────────────────────────────────────────── */

.bc-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.bc-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }

@media (max-width: 768px) {
    .bc-grid-2, .bc-grid-3 { grid-template-columns: 1fr; }
    .bc-stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .bc-stats { grid-template-columns: 1fr; }
}

/* ── Brevet Manager Design Extensions ───────────────────────────────────── */

/* Icon-only action buttons for tables */
.bm-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    font-size: 0.75rem;
    text-decoration: none;
    transition: opacity 0.15s, transform 0.1s;
    margin: 0 1px;
    vertical-align: middle;
}
.bm-action-btn:hover { opacity: 0.82; transform: translateY(-1px); text-decoration: none; }
.bm-action-btn:disabled, .bm-action-btn.disabled { opacity: 0.38; pointer-events: none; }
.bm-action-btn.blue   { background: var(--bc-blue); color: white; }
.bm-action-btn.orange { background: #d97706; color: white; }
.bm-action-btn.green  { background: #2a8a3e; color: white; }
.bm-action-btn.red    { background: var(--bc-danger); color: white; }
.bm-action-btn.coral  { background: #e55c3a; color: white; }
.bm-action-btn.slate  { background: #5a7aab; color: white; }
.bm-action-btn.purple { background: #6b46c1; color: white; }
.bm-action-btn.gray   { background: #6b7280; color: white; }
.bm-action-btn.sky    { background: #0ea5e9; color: white; }
.bm-action-btn.teal   { background: #0f766e; color: white; }

/* Availability / publication status badges */
.bc-status.published { background: var(--bc-success-bg); color: var(--bc-success); }
.bc-status.private   { background: var(--bc-warning-bg); color: var(--bc-warning); }
.bc-status.draft-badge { background: #e9ecef; color: #495057; }

/* Filter chip row */
.bm-filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}
.bm-filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.75rem;
    border: 1px solid var(--bc-border);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--bc-ink);
    cursor: pointer;
    background: white;
    user-select: none;
    transition: background 0.15s;
}
.bm-filter-chip:hover { background: var(--bc-blue-light); }
.bm-filter-chip input[type=checkbox] { cursor: pointer; }

/* Filter row with labelled select/input groups */
.bm-filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: flex-end;
    margin-top: 0.75rem;
}
.bm-filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.bm-filter-group label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--bc-ink-muted);
}
.bm-filter-group select,
.bm-filter-group input[type=text],
.bm-filter-group input[type=search] {
    border: 1px solid var(--bc-border);
    border-radius: 6px;
    padding: 0.35rem 0.65rem;
    font-size: 0.875rem;
    color: var(--bc-ink);
    background: white;
    min-width: 160px;
}
.bm-filter-group select:focus,
.bm-filter-group input:focus {
    outline: none;
    border-color: var(--bc-blue);
    box-shadow: 0 0 0 2px rgba(0,113,193,0.15);
}

/* Ride-organizer select inside a table cell */
.bm-ro-select {
    border: 1px solid var(--bc-border);
    border-radius: 4px;
    padding: 0.2rem 0.4rem;
    font-size: 0.78rem;
    color: var(--bc-ink);
    background: white;
    max-width: 150px;
}

/* Has-more notice bar */
.bm-notice {
    padding: 0.6rem 1rem;
    background: var(--bc-warning-bg);
    border: 1px solid #ffc107;
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--bc-warning);
    margin-bottom: 1rem;
    font-weight: 500;
}

/* Form field layout */
.bm-form-grid {
    display: grid;
    gap: 0.75rem;
}
.bm-field-row-2 { grid-template-columns: 1fr 1fr; }
.bm-field-row-3 { grid-template-columns: 1fr 1fr 1fr; }
.bm-field-row-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
    .bm-field-row-3, .bm-field-row-4 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
    .bm-field-row-2, .bm-field-row-3, .bm-field-row-4 { grid-template-columns: 1fr; }
}
.bm-field {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.bm-field label {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--bc-ink-muted);
}
.bm-field input[type=text],
.bm-field input[type=number],
.bm-field input[type=datetime-local],
.bm-field select,
.bm-field textarea {
    border: 1px solid var(--bc-border);
    border-radius: 6px;
    padding: 0.4rem 0.65rem;
    font-size: 0.875rem;
    color: var(--bc-ink);
    background: white;
    width: 100%;
    box-sizing: border-box;
}
.bm-field input:focus,
.bm-field select:focus,
.bm-field textarea:focus {
    outline: none;
    border-color: var(--bc-blue);
    box-shadow: 0 0 0 2px rgba(0,113,193,0.15);
}
.bm-field input:disabled,
.bm-field input[disabled] {
    background: var(--bc-blue-light);
    color: var(--bc-ink-muted);
}
.bm-field-static {
    border: 1px solid var(--bc-border);
    border-radius: 6px;
    padding: 0.4rem 0.65rem;
    font-size: 0.875rem;
    color: var(--bc-ink-muted);
    background: var(--bc-blue-light);
}
.bm-field-check {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.875rem;
    color: var(--bc-ink);
    padding-top: 1.4rem;
}
.bm-field-check input[type=checkbox] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

/* Control point card accent */
.bm-cp-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    background: var(--bc-blue);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}
.bm-cp-progress {
    height: 4px;
    background: var(--bc-border);
    border-radius: 2px;
    margin-top: 0.75rem;
    overflow: hidden;
}
.bm-cp-progress-bar {
    height: 100%;
    background: var(--bc-blue);
    border-radius: 2px;
}

/* Column-separator variant — adds subtle vertical dividers to dense tables */
.bc-table.col-sep td,
.bc-table.col-sep th {
    border-right: 1px solid var(--bc-border);
}
.bc-table.col-sep td:last-child,
.bc-table.col-sep th:last-child {
    border-right: none;
}

/* Event Brevet Table — specialized multi-header-row event grid */
.bm-event-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}
.bm-event-table th {
    background: var(--bc-blue-dark);
    color: white;
    padding: 0.35rem 0.6rem;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.12);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: normal;
    word-break: break-word;
    vertical-align: middle;
}
.bm-event-table td {
    padding: 0.45rem 0.6rem;
    border-bottom: 1px solid var(--bc-border);
    border-right: 1px solid var(--bc-border);
    text-align: center;
    vertical-align: top;
    color: var(--bc-ink);
    word-wrap: break-word;
}
.bm-event-table td:last-child,
.bm-event-table th:last-child { border-right: none; }
.bm-event-table tr:last-child td { border-bottom: none; }
.bm-event-table tr:hover td { background: var(--bc-blue-light); }
.bm-event-table .brevet-name { text-align: left; font-weight: 500; }