/* ── Price Book ───────────────────────────────────────── */
.price-input {
    width: 120px;
    padding: 6px 10px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 14px;
}
.price-input:focus { outline: none; border-color: #667eea; box-shadow: 0 0 0 2px rgba(102,126,234,0.1); }

/* ── Purchase Order ───────────────────────────────────── */
.po-vendor-block { border: 1px solid #e2e8f0; border-radius: 8px; padding: 20px; margin-bottom: 16px; }
.po-vendor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid #e2e8f0;
}
.po-table { width: 100%; border-collapse: collapse; }
.po-table th { background: #f7fafc; padding: 8px 12px; font-size: 12px; font-weight: 600; color: #4a5568; text-align: left; border-bottom: 2px solid #e2e8f0; }
.po-table td { padding: 8px 12px; font-size: 13px; color: #2d3748; border-bottom: 1px solid #e2e8f0; }
.po-table tfoot td { border-top: 2px solid #e2e8f0; border-bottom: none; }

/* ── Billing Table ────────────────────────────────────── */
.billing-table th,
.billing-table td { white-space: nowrap; padding: 8px 9px; }

.bill-select {
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 5px 6px;
    font-size: 13px;
    background: white;
    min-width: 100px;
    max-width: 180px;
}
.bill-item-select { min-width: 150px; max-width: 220px; }
.prof-prod-select { min-width: 140px; max-width: 220px; font-size: 12px; flex: 1; }
.prof-qty-input   { width: 70px; font-size: 12px; text-align: center; }

.bill-input {
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 5px 6px;
    font-size: 13px;
    background: white;
}

.bill-del-btn {
    background: none;
    border: none;
    color: #e53e3e;
    cursor: pointer;
    font-size: 15px;
    padding: 4px 6px;
    border-radius: 4px;
    line-height: 1;
    min-width: 28px;
    min-height: 28px;
}
.bill-del-btn:hover { background: #fed7d7; }

/* ── Billing Summary/Payment layout ──────────────────── */
.billing-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.billing-summary { display: flex; flex-direction: column; gap: 8px; }

.sum-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: #4a5568;
    padding: 4px 0;
    border-bottom: 1px solid #f7fafc;
}
.sum-input-row input {
    width: 110px;
    text-align: right;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 14px;
}
.sum-grand {
    border-top: 2px solid #e2e8f0;
    border-bottom: none !important;
    padding-top: 12px;
    margin-top: 4px;
    font-size: 18px;
    font-weight: 700;
    color: #2d3748;
}
.sum-grand span:last-child { color: #667eea; }

/* ── Payment Modes ────────────────────────────────────── */
.payment-modes { display: flex; gap: 10px; flex-wrap: wrap; }
.payment-modes label {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    font-size: 14px;
    padding: 8px 14px;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    transition: border-color 0.15s, background 0.15s;
    user-select: none;
    min-height: 44px;
}
.payment-modes label:has(input:checked) {
    border-color: #667eea;
    background: #eef2ff;
    color: #667eea;
    font-weight: 600;
}

/* ── Billing Validation ───────────────────────────────── */
.validation-list {
    background: #fff5f5;
    border: 1px solid #fed7d7;
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 13px;
    list-style: none;
}
.v-ok  { color: #38a169; }
.v-err { color: #e53e3e; }
.v-ok, .v-err { padding: 2px 0; }

.field-error { border-color: #fc8181 !important; background: #fff5f5 !important; }

#saveBillBtn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Confirmation Modal ───────────────────────────────── */
.conf-sum-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 14px;
    border-bottom: 1px solid #f7fafc;
    color: #4a5568;
}
.conf-sum-row.conf-grand {
    font-weight: 700;
    font-size: 16px;
    color: #2d3748;
    border-bottom: none;
    padding-top: 10px;
    margin-top: 4px;
    border-top: 2px solid #e2e8f0;
}

/* ── Invoice ──────────────────────────────────────────── */
#invoiceOverlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.65);
    z-index: 2000;
    display: none;
    align-items: flex-end;
    justify-content: center;
    overflow-y: auto;
    padding: 40px 20px;
}

.invoice-sheet {
    background: white;
    width: 100%;
    max-width: 640px;
    border-radius: 16px;
    padding: 48px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    margin: auto;
}

.invoice-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid #e2e8f0;
}

.inv-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e2e8f0;
    gap: 16px;
}
.inv-business-name { font-size: 22px; font-weight: 700; color: #2d3748; }
.inv-meta { text-align: right; color: #718096; font-size: 13px; line-height: 1.8; flex-shrink: 0; }
.inv-customer { margin-bottom: 20px; font-size: 15px; color: #2d3748; }

.inv-items-table { width: 100%; border-collapse: collapse; margin-bottom: 20px; font-size: 13px; }
.inv-items-table th {
    background: #f7fafc;
    padding: 8px 10px;
    text-align: left;
    border-bottom: 2px solid #e2e8f0;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #718096;
}
.inv-items-table td { padding: 8px 10px; border-bottom: 1px solid #f7fafc; color: #2d3748; }
.inv-section-header td {
    background: #f7fafc;
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #667eea;
    padding: 5px 10px;
}
.inv-totals { border-top: 1px solid #e2e8f0; padding-top: 14px; }
.inv-total-row { display: flex; justify-content: space-between; padding: 4px 0; font-size: 14px; color: #4a5568; }
.inv-grand-total {
    font-size: 18px;
    font-weight: 700;
    color: #2d3748;
    padding: 10px 0 6px;
    border-top: 2px solid #e2e8f0;
    margin-top: 6px;
}
.inv-footer {
    text-align: center;
    color: #a0aec0;
    font-size: 13px;
    margin-top: 24px;
    padding-top: 14px;
    border-top: 1px solid #f7fafc;
}

/* ── Mobile Bottom Navigation ─────────────────────────── */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid #e2e8f0;
    z-index: 300;
    padding-bottom: env(safe-area-inset-bottom);
    box-shadow: 0 -2px 12px rgba(0,0,0,0.07);
}
.mob-nav-items {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    height: 56px;
}
.mob-nav-btn {
    background: none;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    color: #a0aec0;
    cursor: pointer;
    padding: 6px 4px;
    font-size: 10px;
    font-weight: 500;
    transition: color 0.15s;
    -webkit-tap-highlight-color: transparent;
    letter-spacing: 0.02em;
}
.mob-nav-btn svg { width: 22px; height: 22px; stroke: currentColor; flex-shrink: 0; }
.mob-nav-btn.active { color: #667eea; }

/* ── Print: Purchase Order ────────────────────────────── */
@media print {
    body * { visibility: hidden; }
    #poCard, #poCard * { visibility: visible; }
    #poCard {
        position: absolute;
        left: 0; top: 0;
        width: 100%;
        box-shadow: none;
        border-radius: 0;
        padding: 24px;
    }
    #poCard .btn { display: none !important; }
}

/* ── Print: Invoice ───────────────────────────────────── */
@media print {
    body.printing-invoice * { visibility: hidden; }
    body.printing-invoice #invoiceOverlay,
    body.printing-invoice #invoiceOverlay * { visibility: visible; }
    body.printing-invoice #invoiceOverlay {
        position: absolute !important;
        top: 0; left: 0;
        background: none !important;
        padding: 0 !important;
        overflow: visible !important;
        display: block !important;
    }
    body.printing-invoice .invoice-sheet {
        box-shadow: none !important;
        border-radius: 0 !important;
        max-width: 100% !important;
        padding: 24px !important;
    }
    body.printing-invoice .no-print { display: none !important; }
}



/* ══════════════════════════════════════════════════════════
   APPOINTMENTS
   ══════════════════════════════════════════════════════════ */

/* Customer phone lookup inside booking modal */
.appt-cust-info {
    font-size: 13px;
    min-height: 18px;
    margin-top: 5px;
    font-weight: 500;
}

.appt-new-cust-box {
    background: #f7fafc;
    border: 1px dashed #cbd5e0;
    border-radius: 8px;
    padding: 12px 14px;
    margin-bottom: 12px;
}

.appt-new-cust-row {
    display: flex;
    gap: 10px;
    align-items: flex-end;
    flex-wrap: wrap;
}

.appt-new-cust-btns {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

/* Date navigator card */
.appt-nav-card { padding: 12px 16px; margin-bottom: 12px; }
.appt-nav-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}
.appt-nav-left { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.appt-arrow-btn { padding: 6px 14px; font-size: 18px; line-height: 1; min-height: 36px; }
.appt-today-btn { padding: 6px 12px; font-size: 13px; min-height: 36px; }
.appt-date-display { font-size: 15px; font-weight: 600; color: #2d3748; white-space: nowrap; }

/* View toggle */
.appt-view-toggle {
    display: flex;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
}
.appt-toggle-btn {
    background: white;
    border: none;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 500;
    color: #718096;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
}
.appt-toggle-btn.active { background: #667eea; color: white; }
.appt-toggle-btn:not(.active):hover { background: #f7fafc; }

/* Loading / empty states */
.appt-loading {
    text-align: center;
    padding: 48px 20px;
    color: #a0aec0;
    font-size: 14px;
}
.appt-empty {
    background: white;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    padding: 56px 20px;
    text-align: center;
}
.appt-empty-icon  { font-size: 44px; margin-bottom: 14px; }
.appt-empty-title { font-size: 16px; font-weight: 600; color: #2d3748; margin-bottom: 6px; }
.appt-empty-sub   { font-size: 14px; color: #a0aec0; }