/* ============================================================
   FEES & LEDGER COMPONENTS — Navigation, Stat Cards, Filter Bars,
                              Ledger Statement Tables & Vouchers
   Strictly complies with <= 350 lines limit
   ============================================================ */

/* ── Fee Sub-Navigation Tabs ───────────────────────────────── */
.v2-fee-subnav {
    display: flex;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.45rem;
    flex-wrap: wrap;
}

.v2-fee-subtab-btn {
    background: transparent;
    border: none;
    padding: 0.65rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.v2-fee-subtab-btn:hover {
    color: var(--tenant-primary);
    background: var(--tenant-primary-light);
}

.v2-fee-subtab-btn.active {
    color: #ffffff;
    background: var(--tenant-primary);
}

/* ── Fee Stat Summary Cards ────────────────────────────────── */
.fee-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.75rem;
}

.fee-stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.15rem;
    box-shadow: var(--shadow-card);
    transition: all 0.2s ease;
}

.fee-stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}
.fee-stat-icon.blue { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.fee-stat-icon.green { background: rgba(16, 185, 129, 0.15); color: #10b981; }
.fee-stat-icon.amber { background: rgba(245, 158, 11, 0.15); color: #f59e0b; }
.fee-stat-icon.purple { background: rgba(139, 92, 246, 0.15); color: #8b5cf6; }

.fee-stat-data { display: flex; flex-direction: column; }
.fee-stat-val { font-size: 1.55rem; font-weight: 700; color: var(--text-primary); line-height: 1.2; }
.fee-stat-lbl { font-size: 0.78rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }

/* ── Fee Filter & Action Bars ──────────────────────────────── */
.fee-filter-bar {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
}

.fee-filter-select {
    max-width: 180px;
    padding: 0.5rem 0.85rem;
    font-size: 0.85rem;
}

.fee-filter-select-sm {
    max-width: 160px;
    padding: 0.45rem 0.75rem;
    font-size: 0.83rem;
}

/* ── Double-Entry Ledger Statement Table ────────────────────── */
.fee-ledger-statement-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.ledger-debit-val {
    color: var(--danger);
    font-weight: 600;
}

.ledger-credit-val {
    color: var(--success);
    font-weight: 600;
}

.ledger-balance-val {
    font-weight: 700;
    color: var(--text-primary);
}

.ledger-summary-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1.25rem;
}

/* ── Concession & Structure Cards ──────────────────────────── */
.concession-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-top: 1.25rem;
}

.concession-item-box {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.15rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* ── A4 Invoice & Receipt Toolbar ──────────────────────────── */
.document-view-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
}