/* ============================================
   CHECKOUT - Split Payment UI
   ============================================ */

/* ---- Split Chooser ---- */
.co-chooser {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 40px;
    gap: 32px;
}

.co-chooser-hdr { text-align: center; }
.co-chooser-hdr .co-back { margin-bottom: 12px; }

.co-back {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.12s;
    flex-shrink: 0;
}
.co-back:hover { background: var(--bg-surface-hover); color: var(--text-primary); }

.co-chooser-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
}

.co-chooser-sub {
    font-size: 16px;
    color: var(--text-secondary);
    margin-top: 6px;
}

.co-chooser-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 600px;
    width: 100%;
}

.co-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 32px 24px;
    border: 2px solid var(--border);
    border-radius: 16px;
    background: var(--bg-surface);
    cursor: pointer;
    transition: all 0.15s;
}
.co-card:hover { border-color: var(--orange); background: rgba(255,152,0,0.05); transform: translateY(-2px); }
.co-card:active { transform: scale(0.98); }
.co-card-icon { font-size: 42px; }
.co-card-label { font-size: 20px; font-weight: 800; color: var(--text-primary); }
.co-card-desc { font-size: 14px; color: var(--text-secondary); text-align: center; }
.co-card-amt { font-size: 16px; font-weight: 700; color: var(--orange); margin-top: 4px; }

/* ---- Equal Split Picker ---- */
.co-eq-overlay {
    position: fixed; inset: 0; z-index: 9999;
    background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center;
}
.co-eq-modal {
    background: var(--bg-primary); border: 1px solid var(--border);
    border-radius: 16px; width: 520px; max-width: 95vw; padding: 24px 28px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.co-eq-title { font-size: 22px; font-weight: 800; text-align: center; margin-bottom: 20px; }
.co-eq-display { text-align: center; margin-bottom: 20px; }
.co-eq-val { font-size: 48px; font-weight: 800; color: var(--orange); display: block; }
.co-eq-each { font-size: 16px; color: var(--text-secondary); }
.co-eq-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; justify-content: center; margin-bottom: 20px; }
.co-eq-btn {
    height: 96px; border-radius: var(--radius-lg); border: 1px solid var(--border);
    background: var(--bg-surface); color: var(--text-primary);
    font-size: 28px; font-weight: 700; cursor: pointer; transition: background 0.1s, border-color 0.1s;
}
.co-eq-btn:hover { background: var(--bg-surface-hover); border-color: var(--orange); }
.co-eq-btn:active { transform: scale(0.96); }
.co-eq-btn.active { background: var(--orange); border-color: var(--orange); color: #fff; }
.co-eq-actions { display: flex; gap: 10px; }
.co-eq-cancel {
    flex: 1; height: 96px; border: 1px solid var(--border); border-radius: var(--radius-lg);
    background: var(--bg-surface); color: var(--text-secondary); font-size: 18px; font-weight: 700; cursor: pointer; transition: background 0.1s;
}
.co-eq-cancel:hover { background: var(--bg-surface-hover); }
.co-eq-cancel:active { transform: scale(0.96); }
.co-eq-confirm {
    flex: 2; height: 96px; border: none; border-radius: var(--radius-lg);
    background: var(--orange); color: #fff; font-size: 18px; font-weight: 700; cursor: pointer; transition: background 0.1s;
}
.co-eq-confirm:hover { background: var(--orange-hover); }

/* ---- Payment Layout (Toast-style 3 columns) ---- */

/* Hide sidebar on checkout */
.nav-sidebar.co-hidden { display: none !important; }
.layout-main.co-fullscreen { width: 100%; }

.co-layout { display: flex; height: 100%; overflow: hidden; max-width: 1920px; margin: 0 auto; }

/* === LEFT: Order Summary (500px) === */
.co-left {
    width: 560px;
    flex-shrink: 0;
    display: flex; flex-direction: column;
    padding: 14px;
    overflow: hidden;
    border-right: 1px solid var(--border);
    background: var(--bg-primary);
}

.co-left-hdr {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 10px;
    flex-shrink: 0;
}
.co-left-hdr-info { flex: 1; }
.co-left-title { font-size: 24px; font-weight: 900; }
.co-left-sub { font-size: 16px; color: var(--text-secondary); margin-top: 2px; }

.co-items-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 4px 0;
    min-height: 0;
}

.co-item {
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 500;
}

/* Bottom section: totals + partial payments - always visible */
.co-left-bottom {
    flex-shrink: 0;
    overflow-y: auto;
    max-height: 55%;
}

/* Totals */
.co-totals {
    border-top: 1px solid var(--border);
    padding-top: 10px;
    font-size: 18px;
}
.co-tl.big {
    font-size: 28px;
    font-weight: 900;
}

/* Partial payments in left panel */
.co-partial-section {
    display: flex; flex-direction: column; gap: 4px;
    margin-top: 10px; padding: 12px;
    background: rgba(34,197,94,0.06); border-radius: var(--radius-md);
    border: 1px solid rgba(34,197,94,0.2);
    flex-shrink: 0;
}
.co-partial-title {
    font-size: 14px;
    font-weight: 800;
    color: var(--green);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.co-paid-row {
    display: flex; justify-content: space-between;
    font-size: 18px; color: var(--green); font-weight: 600;
    padding: 4px 0;
}
.co-paid-row.change-row {
    color: var(--orange);
    font-weight: 800;
    border-top: 1px dashed rgba(249,115,22,0.3);
    margin-top: 4px;
    padding-top: 6px;
}
.co-partial-summary {
    border-top: 1px solid rgba(34,197,94,0.2);
    margin-top: 6px;
    padding-top: 8px;
    display: flex; flex-direction: column; gap: 4px;
}
.co-partial-sum-row {
    display: flex; justify-content: space-between;
    font-size: 16px; color: var(--green); font-weight: 700;
}
.co-partial-sum-row.remaining {
    font-size: 20px;
    font-weight: 900;
    color: var(--orange);
}

/* === CENTER: Numpad + controls === */
.co-center {
    flex: 1;
    background: var(--bg-secondary);
    display: flex; flex-direction: column;
    padding: 14px 18px;
    overflow: hidden;
}

/* Top action buttons (Split, Tip) */
.co-top-actions {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-shrink: 0;
}
.co-top-btn {
    flex: 1;
    height: 62px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-surface);
    color: var(--text-primary);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.12s;
    white-space: nowrap;
}
.co-top-btn:hover { background: var(--bg-surface-hover); }
.co-top-btn.active {
    border-color: var(--orange);
    background: rgba(245,158,11,0.1);
    color: var(--orange);
}
.co-top-btn.tip-active {
    border-color: var(--orange);
    background: rgba(245,158,11,0.08);
    color: var(--orange);
}

/* Balance header */
.co-balance-header {
    font-size: 40px;
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: 12px;
    flex-shrink: 0;
}

/* Balance due / Amount tendered fields row */
.co-fields-row {
    display: flex; gap: 10px;
    margin-bottom: 12px;
    flex-shrink: 0;
}
.co-field { flex: 1; }
.co-field-label {
    font-size: 15px; font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 5px;
}
.co-field-value {
    background: var(--bg-input); border: 2px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    font-size: 26px; font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-primary);
}
.co-field-value.bal {
    background: var(--bg-surface);
    color: var(--text-secondary);
}
.co-field-value.tend {
    border-color: var(--cyan);
    color: var(--cyan);
}
.co-field.change-field {
    flex: 1;
}
.co-field-value.change {
    border-color: var(--orange);
    background: rgba(249,115,22,0.12);
    color: var(--orange);
    font-weight: 900;
    animation: pulse-change 0.6s ease-in-out;
}
@keyframes pulse-change {
    0% { transform: scale(1); }
    50% { transform: scale(1.04); }
    100% { transform: scale(1); }
}

/* 4-column numpad */
.co-numpad-4col {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, 1fr);
    gap: 5px;
    flex: 1;
    min-height: 0;
}
.co-numpad-4col .co-nk {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-surface);
    color: var(--text-primary);
    font-size: 32px;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.1s;
    min-height: 0;
    display: flex; align-items: center; justify-content: center;
}
.co-numpad-4col .co-nk:hover { background: var(--bg-surface-hover); }
.co-numpad-4col .co-nk:active { transform: scale(0.96); }
.co-numpad-4col .co-nk.del { color: var(--red); }
.co-numpad-4col .co-nk.clear { color: var(--text-secondary); font-size: 26px; }
.co-numpad-4col .co-nk.quick {
    background: rgba(245,158,11,0.1);
    color: var(--orange);
    border-color: rgba(245,158,11,0.25);
    font-size: 26px;
    font-weight: 800;
}
.co-numpad-4col .co-nk.quick:hover {
    background: rgba(245,158,11,0.22);
}

/* Pay + Print are now inside numpad grid (see .co-numpad-4col .co-pay-btn above) */
.co-center-bottom {
    display: flex;
    gap: 8px;
    margin-top: 10px;
    flex-shrink: 0;
}
.co-pay-btn {
    flex: 3;
    height: 72px;
    border: none;
    border-radius: var(--radius-lg);
    background: var(--green);
    color: #fff;
    font-size: 24px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.12s;
}
.co-pay-btn:hover { background: #16a34a; }
.co-pay-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.co-print-btn {
    flex: 1;
    height: 72px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-surface);
    color: var(--text-secondary);
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.12s;
}
.co-print-btn:hover { background: var(--bg-surface-hover); }

/* === RIGHT: Payment Methods (420px, 1 per row) === */
.co-methods {
    width: 420px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    padding: 14px;
    gap: 8px;
    border-left: 1px solid var(--border);
    background: var(--bg-primary);
}

/* Done button at top of tenders */
.co-done-btn {
    height: 62px;
    border: 2px solid var(--green);
    border-radius: var(--radius-lg);
    background: rgba(34, 197, 94, 0.1);
    color: var(--green);
    font-size: 22px;
    font-weight: 800;
    cursor: pointer;
    transition: all 0.12s;
    flex-shrink: 0;
}
.co-done-btn:hover {
    background: var(--green);
    color: #fff;
}

.co-method-btn {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 20px;
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-surface);
    color: var(--text-primary);
    font-size: 22px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.12s;
    min-height: 0;
}
.co-method-btn.blank {
    opacity: 0.15;
    cursor: default;
    border-style: dashed;
}
.co-method-btn:hover {
    border-color: var(--text-secondary);
    background: var(--bg-surface-hover);
}
.co-method-btn.active {
    border-color: var(--orange);
    background: rgba(245, 158, 11, 0.12);
    color: var(--orange);
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.15);
}
.co-method-icon {
    font-size: 28px;
    line-height: 1;
    flex-shrink: 0;
}
.co-method-label {
    font-size: 22px;
    font-weight: 700;
    white-space: nowrap;
}
/* Legacy — keep for custom split screen compat */

/* Sections */
.co-section { flex-shrink: 0; }
.co-section[style*="flex"] {
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.co-section-label {
    font-size: 11px; font-weight: 700; letter-spacing: 1px;
    color: var(--text-muted); margin-bottom: 6px;
    text-transform: uppercase;
}

/* ---- Cash Display + Denominations ---- */
.co-cash-disp {
    background: var(--bg-input); border: 2px solid var(--border);
    border-radius: var(--radius-lg); padding: 4px 12px;
    height: clamp(36px, 5vh, 48px);
    font-size: clamp(20px, 3vh, 28px); font-weight: 800; text-align: right;
    font-family: var(--font-mono); color: var(--cyan);
    margin-bottom: 4px;
    display: flex; align-items: center; justify-content: flex-end;
    flex-shrink: 0;
}

.co-denom-row {
    display: flex; gap: 4px; margin-bottom: 4px;
    flex-shrink: 0;
}
.co-denom {
    flex: 1; height: clamp(28px, 4vh, 38px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: rgba(34,197,94,0.08);
    color: #22c55e;
    font-size: clamp(11px, 1.4vh, 13px); font-weight: 700;
    cursor: pointer;
    transition: all 0.1s;
}
.co-denom:hover { background: rgba(34,197,94,0.16); }
.co-denom:active { transform: scale(0.96); }
.co-denom.exact {
    background: rgba(6,182,212,0.08);
    color: var(--cyan);
    border-color: rgba(6,182,212,0.3);
}
.co-denom.exact:hover { background: rgba(6,182,212,0.16); }

/* ---- Check Tabs ---- */
.co-tabs {
    display: flex; gap: 6px; flex-wrap: wrap;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}
.co-tab {
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    padding: 12px 20px; border-radius: var(--radius-lg);
    border: 2px solid var(--border); background: var(--bg-surface);
    color: var(--text-primary); font-size: 16px; font-weight: 700;
    cursor: pointer; transition: all 0.12s;
}
.co-tab span { font-size: 14px; color: var(--text-secondary); font-weight: 600; }
.co-tab:hover { border-color: var(--orange); }
.co-tab.active { border-color: var(--orange); background: rgba(255,152,0,0.1); }
.co-tab.paid { border-color: var(--green); background: rgba(34,197,94,0.1); color: var(--green); }
.co-tab.paid span { color: var(--green); }

/* ---- Items scroll ---- */
.co-items-scroll { flex: 1; overflow-y: auto; margin-bottom: 10px; }
.co-item {
    display: flex; justify-content: space-between;
    padding: 6px 0; font-size: 14px;
    border-bottom: 1px solid var(--border-light);
    color: #fff;
}
.co-item span:first-child { color: #fff; }
.co-item span:last-child { color: #fff; font-weight: 600; }
.co-item.shared { opacity: 0.7; }
.co-item.shared span:first-child { font-style: italic; }

.co-equal-note {
    padding: 8px 12px;
    margin-bottom: 8px;
    background: rgba(255,152,0,0.08);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 700;
    color: var(--orange);
}

.co-shared-label {
    padding: 10px 0 4px;
    margin-top: 8px;
    border-top: 1px dashed var(--border);
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ---- Totals ---- */
.co-totals {
    border-top: 1px solid var(--border);
    padding-top: 10px;
}
.co-tl {
    display: flex; justify-content: space-between;
    padding: 3px 0; font-size: 14px;
    color: #fff;
}
.co-tl.tip span { color: var(--orange); }
.co-tl.big {
    font-size: 20px; font-weight: 800;
    padding-top: 8px; margin-top: 4px;
    border-top: 2px solid var(--border);
}
.co-tl.chg span:last-child { color: var(--green); font-weight: 700; }
.co-tl.discount span { color: var(--green); font-weight: 700; }
.co-tl.surcharge span { color: var(--orange); font-weight: 700; }

.co-tl.big.card-total span:last-child { color: var(--text-primary); }
.co-tl.big.cash-total {
    font-size: 20px;
    border-top: none;
    margin-top: 0;
    padding-top: 4px;
}
.co-tl.big.cash-total span,
.co-tl.big.cash-total span:last-child { color: var(--green); }

.co-remaining {
    text-align: center;
    padding: 10px;
    margin-top: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-secondary);
    background: var(--bg-surface);
    border-radius: var(--radius-md);
}

.co-paid-big {
    flex: 1; display: flex; align-items: center; justify-content: center;
    font-size: 48px; font-weight: 800; color: var(--green);
}

/* ---- Partial payment log (split tender) ---- */
.co-partial-log {
    display: flex; flex-direction: column; gap: 4px;
}
.co-partial-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 6px 10px; font-size: 13px; font-weight: 600;
    background: rgba(34, 197, 94, 0.1); border-radius: var(--radius-sm);
    color: var(--green);
}
.co-partial-remaining {
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px 10px; font-size: 15px; font-weight: 800;
    background: rgba(249, 115, 22, 0.15); border-radius: var(--radius-sm);
    color: var(--orange); margin-top: 2px;
}

/* ---- Split options row ---- */
.co-split-row {
    display: flex;
    gap: 6px;
}
.co-split-opt {
    flex: 1;
    height: clamp(30px, 4vh, 40px);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    color: var(--text-primary);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.12s;
    white-space: nowrap;
}
.co-split-opt:hover {
    border-color: var(--orange);
    background: rgba(255,152,0,0.05);
}
.co-split-opt:active {
    transform: scale(0.97);
}
.co-split-opt.active {
    border-color: var(--orange);
    background: rgba(255,152,0,0.1);
    color: var(--orange);
}

/* ---- Split banner ---- */
.co-split-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: rgba(255,152,0,0.1);
    border: 1px solid rgba(255,152,0,0.3);
    border-radius: 10px;
    margin-bottom: 12px;
    font-size: 14px;
    font-weight: 700;
    color: var(--orange);
}

.co-tab.edit-tab {
    border-color: var(--orange);
    background: rgba(255,152,0,0.1);
    color: var(--orange);
    min-width: 130px;
}
.co-tab.edit-tab:hover { background: rgba(255,152,0,0.18); }

/* ---- Custom payment ---- */
.co-custom-summary {
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 16px;
}

.co-custom-line {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    font-size: 15px;
}

.co-custom-line.remaining {
    font-size: 22px;
    font-weight: 800;
    padding-top: 12px;
    margin-top: 8px;
    border-top: 2px solid var(--border);
    color: var(--orange);
}

.co-custom-row.paid {
    display: flex;
    justify-content: space-between;
    padding: 8px 12px;
    background: rgba(34,197,94,0.1);
    border-radius: 8px;
    margin: 4px 0;
    font-size: 14px;
    color: var(--green);
    font-weight: 600;
}

.co-custom-input-section {
    flex: 1;
    padding-top: 12px;
}

.co-custom-amount-display {
    background: var(--bg-input);
    border: 2px solid var(--orange);
    border-radius: var(--radius-lg);
    padding: 12px 16px;
    height: 80px;
    font-size: 40px;
    font-weight: 800;
    text-align: right;
    font-family: var(--font-mono);
    color: var(--orange);
    margin-bottom: 10px;
    display: flex; align-items: center; justify-content: flex-end;
}

.co-row { display: flex; gap: 6px; }

/* Tip row (horizontal in center) */
.co-tip-row {
    display: flex; gap: 6px;
}
.co-tip-row .co-tip { flex: 1; }

/* Legacy co-method (unused but keep for compat) */
.co-method {
    flex: 1; height: clamp(38px, 5.5vh, 52px); border: 2px solid var(--border);
    border-radius: var(--radius-lg); background: var(--bg-surface);
    color: var(--text-primary); font-size: 15px; font-weight: 700;
    cursor: pointer; transition: all 0.12s;
}
.co-method:hover { border-color: var(--text-secondary); }
.co-method.active { border-color: var(--orange); background: rgba(255,152,0,0.1); color: var(--orange); }

.co-tip {
    flex: 1; height: clamp(30px, 4vh, 40px); border: 1px solid var(--border);
    border-radius: var(--radius-lg); background: var(--bg-surface);
    color: var(--text-primary); font-size: 13px; font-weight: 700;
    cursor: pointer; transition: all 0.12s;
}
.co-tip:hover { border-color: var(--text-secondary); }
.co-tip.active { border-color: var(--orange); background: rgba(255,152,0,0.1); color: var(--orange); }

/* ---- Old Numpad (kept for tip modal) ---- */
.co-numpad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(4, 1fr);
    gap: clamp(3px, 0.5vh, 6px);
    flex: 1;
    min-height: 0;
    max-height: 280px;
}
.co-nk {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-surface);
    color: var(--text-primary);
    font-size: clamp(18px, 2.8vh, 28px);
    font-weight: 700;
    cursor: pointer;
    transition: background 0.1s;
    min-height: 0;
}
.co-nk:hover { background: var(--bg-surface-hover); }
.co-nk:active { transform: scale(0.96); }
.co-nk.del { color: var(--red); }

/* ---- Actions (Pay button in left panel) ---- */
.co-actions { display: flex; gap: 6px; padding-top: 6px; flex-shrink: 0; }

.co-act {
    height: 44px; border-radius: var(--radius-lg);
    font-size: 15px; font-weight: 800; cursor: pointer;
    transition: all 0.12s; border: none;
    width: 100%;
}
.co-act.sec {
    background: var(--bg-surface); border: 1px solid var(--border);
    color: var(--text-secondary);
}
.co-act.sec:hover { background: var(--bg-surface-hover); }
.co-act.pri {
    background: var(--green); color: #fff;
}
.co-act.pri:hover { background: #16a34a; }
.co-act.pri:disabled { opacity: 0.4; cursor: not-allowed; }
.co-act.pri.co-pay-disabled { opacity: 0.4; background: #555; border-color: #555; cursor: not-allowed; }
.co-act.pri.co-pay-disabled:hover { background: #555; }

/* ---- Paid message ---- */
.co-paid-msg {
    flex: 1; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 12px; color: var(--text-muted);
}

/* ---- Success ---- */
.co-success {
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    height: 100%; gap: 16px;
}
.co-success-icon { font-size: 72px; }
.co-success-title { font-size: 48px; font-weight: 800; color: var(--green); }
.co-success-sub { font-size: 18px; color: var(--text-secondary); }
.co-success-invoice {
    font-size: 16px; font-weight: 700; color: var(--cyan);
    background: rgba(6,182,212,0.1);
    padding: 4px 14px; border-radius: var(--radius);
    border: 1px solid rgba(6,182,212,0.3);
}
.co-success-amt { font-size: 32px; font-weight: 700; }
.co-success-det { font-size: 14px; color: var(--text-muted); }
.co-success-change {
    font-size: 28px;
    font-weight: 900;
    color: var(--orange);
    margin-top: 8px;
    padding: 10px 28px;
    background: rgba(249,115,22,0.12);
    border: 2px solid var(--orange);
    border-radius: var(--radius-lg);
    animation: pulse-change 1s ease-in-out 3;
}
.co-success-card {
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 8px;
    padding: 6px 16px;
    background: rgba(255,255,255,0.05);
    border-radius: 8px;
    font-variant-numeric: tabular-nums;
}
.co-success-btn {
    margin-top: 8px; padding: 14px 40px;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 16px; font-weight: 600; cursor: pointer;
    transition: all 0.15s;
}
.co-success-btn:hover { border-color: var(--text-muted); color: var(--text-primary); }

.co-receipt-prompt {
    font-size: 16px; font-weight: 700; color: var(--text-secondary);
    margin-top: 8px; letter-spacing: 0.5px;
}

.co-success-actions {
    display: flex; gap: 10px; margin-top: 4px; flex-wrap: wrap; justify-content: center;
}

.co-receipt-btn {
    padding: 14px 22px;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: var(--bg-surface);
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.12s;
}
.co-receipt-btn:hover {
    border-color: var(--orange);
    background: rgba(255,152,0,0.08);
}
.co-receipt-btn.merchant {
    border-color: var(--cyan, #06b6d4);
}
.co-receipt-btn.merchant:hover {
    background: rgba(6,182,212,0.08);
}
.co-receipt-btn.both {
    border-color: var(--green);
    background: rgba(34,197,94,0.06);
}
.co-receipt-btn.both:hover {
    background: rgba(34,197,94,0.12);
}

/* Print card in chooser */
.co-card.print {
    border-color: var(--text-muted);
    background: var(--bg-surface);
}
.co-card.print:hover {
    border-color: var(--text-primary);
    background: var(--bg-surface-hover);
}

/* 1920×1080 optimized — no responsive breakpoints */
.co-numpad-4col .co-nk { font-size: 36px; }
.co-field-value { font-size: 26px; padding: 14px 16px; }

/* ---- Tip Modal ---- */
.tip-modal-overlay {
    position: fixed; inset: 0; z-index: 9999;
    background: rgba(0,0,0,0.6); backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center;
}
.tip-modal {
    background: var(--bg-primary); border-radius: var(--radius-xl);
    border: 1px solid var(--border); padding: 24px;
    width: 420px; max-width: 95vw;
    display: flex; flex-direction: column; gap: 16px;
}
.tip-modal-header {
    display: flex; align-items: center; justify-content: space-between;
}
.tip-modal-title {
    font-size: 20px; font-weight: 700; color: var(--text-primary);
}
.tip-modal-close {
    width: 36px; height: 36px; border-radius: var(--radius);
    border: 1px solid var(--border); background: var(--bg-surface);
    color: var(--text-secondary); font-size: 18px; cursor: pointer;
}
.tip-modal-close:hover { background: var(--bg-surface-hover); }
.tip-modal-display {
    text-align: center; font-size: 40px; font-weight: 700;
    color: #22c55e; padding: 12px;
    background: var(--bg-surface); border: 2px solid #22c55e;
    border-radius: var(--radius-lg);
}
.tip-numpad { grid-template-columns: repeat(3, 1fr); flex: none; }
.tip-numpad .co-nk { min-height: 56px; height: 56px; }
.tip-modal-actions { display: flex; gap: 10px; }
.tip-modal-actions .co-act { flex: 1; }

/* Tip preset buttons */
.tip-presets {
    display: flex; gap: 10px;
}
.tip-preset-btn {
    flex: 1;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 14px 8px;
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-surface);
    cursor: pointer;
    transition: all 0.15s;
}
.tip-preset-btn:hover {
    border-color: #22c55e;
    background: rgba(34,197,94,0.1);
}
.tip-preset-pct {
    font-size: 22px; font-weight: 800;
    color: #22c55e;
}
.tip-preset-amt {
    font-size: 13px; font-weight: 600;
    color: var(--text-secondary);
    margin-top: 2px;
}
.tip-preset-btn.no-tip {
    border-color: var(--border);
}
.tip-preset-btn.no-tip:hover {
    border-color: var(--text-muted);
    background: rgba(255,255,255,0.04);
}
.tip-preset-btn.no-tip .tip-preset-pct {
    color: var(--text-secondary);
    font-size: 16px;
}
.tip-preset-btn.no-tip .tip-preset-amt {
    color: var(--text-muted);
}
.tip-modal-divider {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
}
.tip-modal-divider::before,
.tip-modal-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30%;
    height: 1px;
    background: var(--border);
}
.tip-modal-divider::before { left: 0; }
.tip-modal-divider::after { right: 0; }

/* ---- Custom Split: All Checks Visible (Toast style) ---- */
.cs-layout-v2 {
    display: flex; flex-direction: column; height: 100%; overflow: hidden;
}

.cs-top-bar {
    display: flex; align-items: center; gap: 16px;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.cs-top-info { flex: 1; }
.cs-title { font-size: 18px; font-weight: 800; }
.cs-subtitle { font-size: 11px; color: var(--text-secondary); }
.cs-continue-btn { padding: 10px 24px; font-size: 14px; white-space: nowrap; }

.cs-body {
    flex: 1; display: flex; overflow: hidden;
}

/* Pool column */
.cs-pool-col {
    width: 380px; flex-shrink: 0;
    display: flex; flex-direction: column;
    border-right: 1px solid var(--border);
    background: var(--bg-secondary);
}

.cs-pool-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 14px; font-size: 13px; font-weight: 700;
    color: var(--text-secondary); border-bottom: 1px solid var(--border);
}
.cs-pool-btns { display: flex; gap: 6px; }
.cs-btn-sm {
    padding: 10px 16px; border-radius: var(--radius-md);
    border: 1px solid var(--border); background: var(--bg-surface);
    color: var(--text-secondary); font-size: 14px; font-weight: 600; cursor: pointer;
    min-height: 40px; min-width: 44px;
    display: flex; align-items: center; justify-content: center;
}
.cs-btn-sm:hover { background: var(--bg-surface-hover); }
.cs-btn-sm:active { transform: scale(0.96); }
.cs-btn-sm.danger {
    border-color: rgba(239,68,68,0.3);
    color: #ef4444;
}
.cs-btn-sm.danger:hover { background: rgba(239,68,68,0.12); }

.cs-pool-list { flex: 1; overflow-y: auto; padding: 4px 8px; }

/* Pool items */
.cs-item {
    display: flex; align-items: center; gap: 6px;
    padding: 7px 8px; cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all 0.1s;
    border: 1px solid transparent;
}
.cs-item:hover { background: rgba(255,255,255,0.04); }
.cs-item.selected {
    background: rgba(255,152,0,0.12);
    border-color: var(--orange);
}
.cs-item-cb {
    width: 20px; height: 20px;
    border: 2px solid var(--border-light);
    border-radius: 4px;
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; font-weight: 800;
    flex-shrink: 0; color: var(--orange);
}
.cs-item.selected .cs-item-cb {
    background: var(--orange); color: #fff; border-color: var(--orange);
}
.cs-item-qty { font-weight: 700; font-size: 14px; color: var(--text-secondary); min-width: 22px; }
.cs-item-name { flex: 1; font-size: 15px; font-weight: 600; }
.cs-item-price { font-size: 15px; font-weight: 700; }
.cs-empty {
    padding: 24px 12px; text-align: center;
    color: var(--text-muted); font-size: 12px; font-style: italic;
}

/* Checks area - horizontal scroll */
.cs-checks-area {
    flex: 1; display: flex; gap: 12px;
    padding: 12px; overflow-x: auto;
}

/* Individual check card */
.cs-card {
    min-width: 260px; max-width: 320px; flex: 1;
    display: flex; flex-direction: column;
    background: var(--bg-secondary);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.15s;
}
.cs-card.drop-target {
    border-color: var(--orange);
    border-style: dashed;
    cursor: pointer;
}
.cs-card.drop-target:hover {
    background: rgba(255,152,0,0.06);
    border-style: solid;
}
.cs-card.has-items { border-color: var(--green); border-style: solid; }

.cs-card.paid {
    border-color: var(--green); border-style: solid;
    opacity: 0.7;
    pointer-events: none;
    background: rgba(34,197,94,0.04);
}
.cs-card-paid-badge {
    font-size: 11px; font-weight: 800;
    color: var(--green);
    background: rgba(34,197,94,0.15);
    padding: 2px 8px;
    border-radius: var(--radius);
}
.cs-card-item.locked {
    cursor: default; opacity: 0.6;
}

.cs-card-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 12px;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
}

.cs-card-header-left {
    display: flex; align-items: center; gap: 8px;
}

.cs-card-delete {
    width: 24px; height: 24px;
    border-radius: 50%;
    background: rgba(239,68,68,0.12);
    color: #ef4444;
    font-size: 14px;
    font-weight: 800;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: all 0.15s;
    border: none;
    flex-shrink: 0;
}
.cs-card-delete:hover {
    background: #ef4444;
    color: #fff;
}
.cs-card-title { font-size: 16px; font-weight: 800; }
.cs-card-count { font-size: 12px; color: var(--text-muted); }

.cs-card-items {
    flex: 1; overflow-y: auto; padding: 4px 8px;
}
.cs-card-empty {
    padding: 20px 8px; text-align: center;
    color: var(--text-muted); font-size: 12px; font-style: italic;
}
.cs-card-item {
    display: flex; justify-content: space-between; align-items: center;
    padding: 6px 8px; margin: 2px 0;
    border-radius: var(--radius-sm);
    cursor: pointer; transition: all 0.1s;
    border: 1px solid transparent;
}
.cs-card-item:hover {
    background: rgba(239,68,68,0.08);
    border-color: var(--red);
}
.cs-card-item-name { font-size: 14px; font-weight: 600; }
.cs-card-item-price { font-size: 14px; font-weight: 700; flex-shrink: 0; }

.cs-card-footer {
    padding: 8px 12px;
    border-top: 1px solid var(--border);
    background: var(--bg-surface);
}
.cs-card-total {
    display: flex; justify-content: space-between;
    font-size: 15px; font-weight: 800;
}

/* Buttons */
.cs-btn-primary {
    padding: 10px 20px;
    border: none; border-radius: var(--radius-lg);
    background: var(--orange); color: #fff;
    font-size: 14px; font-weight: 700; cursor: pointer;
    transition: all 0.12s;
}
.cs-btn-primary:hover:not(:disabled) { filter: brightness(1.1); }
.cs-btn-primary:disabled { opacity: 0.4; cursor: not-allowed; }

/* Add Check card */
.cs-add-card {
    min-width: 120px !important; max-width: 160px !important;
    border-style: dashed !important;
    border-color: var(--border-light) !important;
    cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    background: transparent !important;
}
.cs-add-card:hover { border-color: var(--orange) !important; background: rgba(255,152,0,0.05) !important; }
.cs-add-card-content {
    text-align: center; color: var(--text-muted);
    font-size: 13px; font-weight: 700; line-height: 1.4;
}
.cs-add-card:hover .cs-add-card-content { color: var(--orange); }

/* ---- Split Item ---- */
/* Split/Merge use default cs-btn-sm style */

.cs-split-badge {
    display: inline-block;
    background: var(--orange);
    color: #fff;
    font-size: 10px;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 3px;
    margin-left: 4px;
    vertical-align: middle;
}

.cs-item.split-item { border-left: 3px solid var(--orange); }

.cs-split-overlay {
    position: fixed; inset: 0; z-index: 9999;
    background: rgba(0,0,0,0.6);
    display: flex; align-items: center; justify-content: center;
}

.cs-split-modal {
    background: var(--bg-primary);
    border-radius: 16px;
    padding: 28px 32px;
    width: 380px;
    max-width: 90vw;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    text-align: center;
}

.cs-split-hdr {
    font-size: 20px; font-weight: 800;
    margin-bottom: 16px;
}

.cs-split-item-name {
    font-size: 16px; font-weight: 600;
    color: var(--text-primary);
}

.cs-split-item-total {
    font-size: 24px; font-weight: 800;
    color: var(--text-primary);
    margin: 4px 0 12px;
}

.cs-split-divider {
    height: 1px;
    background: var(--border);
    margin: 12px 0;
}

.cs-split-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.cs-split-picker {
    display: flex; gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.cs-split-n {
    width: 44px; height: 44px;
    border-radius: 10px;
    border: 2px solid var(--border);
    background: var(--bg-surface);
    color: var(--text-primary);
    font-size: 18px; font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
}

.cs-split-n:hover { border-color: var(--orange); }
.cs-split-n.active {
    background: var(--orange);
    border-color: var(--orange);
    color: #fff;
}

.cs-split-preview {
    margin-bottom: 16px;
}

.cs-split-preview-label {
    font-size: 18px; font-weight: 700;
    color: var(--green);
}

.cs-split-actions {
    display: flex; gap: 10px;
    justify-content: center;
}

.cs-split-cancel,
.cs-split-confirm {
    padding: 10px 24px;
    border-radius: 10px;
    font-size: 15px; font-weight: 700;
    cursor: pointer;
    border: 1px solid var(--border);
    transition: all 0.15s;
}

.cs-split-cancel {
    background: var(--bg-surface);
    color: var(--text-primary);
}

.cs-split-cancel:hover { background: var(--bg-surface-hover); }

.cs-split-confirm {
    background: var(--orange);
    border-color: var(--orange);
    color: #fff;
}

.cs-split-confirm:hover { filter: brightness(1.1); }

/* Partial Payment Confirmation Overlay */
.co-partial-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    animation: co-partial-fadein 0.3s ease;
}

@keyframes co-partial-fadein {
    from { opacity: 0; }
    to { opacity: 1; }
}

.co-partial-card {
    background: var(--bg-card, #242442);
    border-radius: 16px;
    padding: 32px 40px;
    text-align: center;
    min-width: 340px;
    max-width: 420px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
    animation: co-partial-slidein 0.3s ease;
}

@keyframes co-partial-slidein {
    from { transform: translateY(20px) scale(0.95); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

.co-partial-icon {
    font-size: 56px;
    width: 80px;
    height: 80px;
    line-height: 80px;
    margin: 0 auto 16px;
    border-radius: 50%;
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
    font-weight: 800;
}

.co-partial-title {
    font-size: 22px;
    font-weight: 800;
    color: #22c55e;
    margin-bottom: 4px;
}

.co-partial-amount {
    font-size: 36px;
    font-weight: 300;
    color: var(--text-primary, #fff);
    margin-bottom: 16px;
}

.co-partial-msg {
    font-size: 14px;
    color: var(--text-muted, #8888aa);
    margin-bottom: 16px;
}

.co-partial-remaining {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 10px;
    padding: 12px 16px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.co-partial-remaining-label {
    font-size: 13px;
    color: #f59e0b;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.co-partial-remaining-value {
    font-size: 24px;
    font-weight: 800;
    color: #f59e0b;
}

.co-partial-actions {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}

.co-partial-btn {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
}

.co-partial-btn.print {
    background: rgba(255,255,255,0.08);
    color: var(--text-primary, #fff);
    border: 1px solid rgba(255,255,255,0.1);
}

.co-partial-btn.print:hover {
    background: rgba(255,255,255,0.14);
}

.co-partial-btn.continue {
    background: var(--accent, #4a6cf7);
    color: #fff;
}

.co-partial-btn.continue:hover {
    filter: brightness(1.1);
}

/* Pre-Auth Banner in checkout */
.co-preauth-banner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: rgba(74, 108, 247, 0.12);
    border: 1px solid rgba(74, 108, 247, 0.3);
    border-radius: 8px;
    margin: 6px 10px;
    font-size: 13px;
    color: #4a6cf7;
    font-weight: 600;
}