/* ================================================
   SALON CLOUD — POS Chair & Cart Styles
   ================================================ */

/* ── SEAT GRID ── */
.seat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(218px, 1fr));
  gap: 16px;
}

/* ── BASE SEAT CARD ── */
.salon-seat {
  position: relative;
  overflow: hidden;
  min-height: 276px;
  cursor: pointer;
  border: 1px solid var(--bdr);
  border-radius: var(--r-xl);
  background: var(--panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 16px;
  display: grid;
  gap: 12px;
  transition: var(--t);
  box-shadow: var(--shadow);
  align-content: start;
}

/* Ambient overlay */
.salon-seat::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(145deg, rgba(34,211,238,.04) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
  transition: var(--t);
}

.salon-seat > * { position: relative; z-index: 1; }

.salon-seat:hover {
  border-color: var(--bdr-h);
  transform: translateY(-3px);
  box-shadow: var(--shadow-c);
}

.salon-seat:hover::before {
  background: linear-gradient(145deg, rgba(34,211,238,.08) 0%, transparent 55%);
}

/* ── CHAIR ICON WRAPPER ── */
.seat-icon-wrap {
  height: 116px;
  display: grid;
  place-items: center;
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(34,211,238,.07) 0%, rgba(59,130,246,.05) 100%);
  border: 1px solid rgba(34,211,238,.09);
  position: relative;
  overflow: hidden;
  transition: var(--t);
}

/* Glow line at bottom of icon wrap */
.seat-icon-wrap::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 20%; right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: var(--t);
}

.salon-seat:hover .seat-icon-wrap::after { opacity: 1; left: 5%; right: 5%; }

.chair-icon {
  width: 78px;
  height: 78px;
  fill: none;
  stroke: var(--cyan);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 4px 16px rgba(34,211,238,.30));
  transition: var(--t);
}

/* ── SEAT META ── */
.seat-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.seat-meta strong {
  font-weight: 800;
  font-size: 14.5px;
  color: var(--txt);
}

/* ── AVAILABLE STATE ── */
.available-seat-hint {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 11px 12px;
  border: 1px dashed rgba(34,211,238,.16);
  border-radius: var(--r);
  background: rgba(34,211,238,.025);
  transition: var(--t);
}

.salon-seat:hover .available-seat-hint {
  border-color: rgba(34,211,238,.30);
  background: rgba(34,211,238,.05);
}

.available-seat-hint b     { color: var(--green); font-size: 13.5px; }
.available-seat-hint small { color: var(--txt-2);  font-size: 12px; }

/* ── BUSY STATE ── */
.salon-seat.busy,
.salon-seat.active-sale {
  border-color: rgba(245,158,11,.26);
  background: rgba(245,158,11,.03);
}

.salon-seat.busy::before {
  background: linear-gradient(145deg, rgba(245,158,11,.07) 0%, transparent 55%);
}

.salon-seat.busy .seat-icon-wrap {
  background: linear-gradient(180deg, rgba(245,158,11,.09), rgba(245,158,11,.05));
  border-color: rgba(245,158,11,.17);
}

.salon-seat.busy .chair-icon {
  stroke: var(--amber);
  filter: drop-shadow(0 0 18px rgba(245,158,11,.48));
}

.salon-seat.busy .seat-icon-wrap::after {
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
}

/* ── IS-LIT STATE (busy + active menu) ── */
.salon-seat.is-lit {
  border-color: rgba(16,185,129,.28);
  animation: none;
}

.salon-seat.is-lit .seat-icon-wrap {
  background: linear-gradient(180deg, rgba(16,185,129,.10), rgba(16,185,129,.05));
  border-color: rgba(16,185,129,.18);
}

.salon-seat.is-lit .chair-icon {
  stroke: var(--green);
  filter: drop-shadow(0 0 18px rgba(16,185,129,.50));
}

/* ── CURRENT CLIENT BLOCK ── */
.current-client {
  display: grid;
  gap: 3px;
  padding: 10px 12px;
  border-radius: var(--r);
  background: rgba(0,0,0,.20);
  border: 1px solid var(--bdr);
}

.current-client b     { color: var(--txt);  font-size: 13.5px; }
.current-client small { color: var(--txt-2); font-size: 11.5px; }

/* ── CART FORM (shown when menu open) ── */
.seat-action-form {
  position: relative;
  z-index: 1;
  display: none;
  animation: seatMenuIn .16s ease;
  gap: 10px;
}

.salon-seat.menu-open .seat-action-form { display: grid; }

/* ── INLINE SERVICE PICKER ── */
.service-picker-panel {
  display: none;
  flex-direction: column;
  gap: 8px;
  border: 1px solid rgba(34,211,238,.22);
  border-radius: var(--r);
  background: rgba(0,0,0,.30);
  overflow: hidden;
  animation: fadeUp .14s ease;
}

/* works on any parent that has picker-open class */
.picker-open .service-picker-panel { display: flex; }

.picker-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 10px;
  background: rgba(34,211,238,.04);
  border-bottom: 1px solid rgba(34,211,238,.10);
  gap: 8px;
}

/* Tabs */
.picker-tabs {
  display: flex;
  gap: 4px;
  flex: 1;
}

.picker-tab {
  display: flex;
  align-items: center;
  gap: 5px;
  border: 1px solid transparent;
  border-radius: var(--r-xs);
  background: transparent;
  color: var(--txt-2);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 10px;
  cursor: pointer;
  transition: var(--t);
}

.picker-tab.active {
  background: rgba(34,211,238,.12);
  border-color: rgba(34,211,238,.20);
  color: var(--cyan);
}

.picker-tab-count {
  font-size: 10px;
  padding: 1px 5px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
}

/* Tab content */
.picker-content { display: none; }
.picker-content.active { display: block; }

/* Product chip variant */
.product-chip { border-color: rgba(139,92,246,.18); }
.product-chip:hover { border-color: rgba(139,92,246,.35); background: rgba(139,92,246,.07); }
.product-chip b { color: var(--purple); }

.picker-close-btn {
  width: 24px; height: 24px;
  border-radius: var(--r-xs);
  background: rgba(239,68,68,.10);
  border: 1px solid rgba(239,68,68,.14);
  color: var(--red);
  font-size: 16px;
  line-height: 1;
  display: grid;
  place-items: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--t);
}

.picker-close-btn:hover { background: rgba(239,68,68,.22); }

.service-chips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 6px;
  padding: 8px;
  max-height: 168px;
  overflow-y: auto;
}

.service-chip {
  display: flex;
  flex-direction: column;
  gap: 3px;
  text-align: start;
  padding: 9px 10px;
  border: 1px solid var(--bdr);
  border-radius: var(--r);
  background: var(--surface);
  color: var(--txt);
  cursor: pointer;
  transition: var(--t);
}

.service-chip span { font-size: 12px; font-weight: 600; line-height: 1.3; }
.service-chip b    { color: var(--cyan); font-size: 13px; font-weight: 800; }

.service-chip:hover {
  border-color: rgba(34,211,238,.30);
  background: rgba(34,211,238,.06);
  transform: translateY(-1px);
}

.service-chip.already-added {
  border-color: rgba(16,185,129,.25);
  background: rgba(16,185,129,.06);
  opacity: .7;
}

/* ── CART BOX ── */
.cart-form { display: grid; gap: 10px; }

.cart-box {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid rgba(34,211,238,.10);
  border-radius: var(--r);
  background: rgba(0,0,0,.20);
}

.compact-cart { max-height: 220px; overflow-y: auto; overflow-x: hidden; }

.cart-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  align-items: center;
  padding-bottom: 4px;
}

.cart-head strong { font-size: 12px; color: var(--txt-2); font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.cart-lines { display: grid; gap: 6px; }

/* ── CART LINE (receipt item style) ── */
.cart-line {
  display: grid;
  gap: 5px;
  padding: 8px 4px;
  border-bottom: 1px dashed rgba(255,255,255,.06);
  transition: var(--t);
}

.cart-line:last-child { border-bottom: 0; }
.cart-line:hover { background: rgba(34,211,238,.03); border-radius: var(--r-xs); }

/* Top row: name + delete */
.cart-line-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.cart-line-head strong {
  font-size: 13px;
  font-weight: 700;
  color: var(--txt);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cart-remove-btn {
  width: 24px; height: 24px;
  border-radius: var(--r-xs);
  background: rgba(239,68,68,.08);
  border: 1px solid rgba(239,68,68,.14);
  color: var(--red);
  font-size: 15px;
  line-height: 1;
  display: grid;
  place-items: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--t);
}

.cart-remove-btn:hover { background: rgba(239,68,68,.20); }

/* Bottom row: price + discount + total */
.cart-line-foot {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.cart-base-price {
  color: var(--txt-3);
  font-size: 12px;
  text-decoration: line-through;
  white-space: nowrap;
}

.cart-discount-lbl {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--txt-2);
  white-space: nowrap;
  min-height: 0;
}

.cart-discount-lbl input {
  width: 64px;
  min-height: 26px;
  padding: 2px 6px;
  font-size: 12px;
  border-radius: var(--r-xs);
}

.cart-net {
  color: var(--cyan);
  font-weight: 800;
  font-size: 13.5px;
  margin-inline-start: auto;
  white-space: nowrap;
}

.empty-cart {
  min-height: 44px;
  display: grid;
  place-items: center;
  border: 1px dashed var(--bdr);
  border-radius: var(--r-xs);
  font-size: 12.5px;
  color: var(--txt-3);
  text-align: center;
  padding: 8px;
}

/* ── RECEIPT-STYLE CART ── */
.rcpt-wrap {
  display: grid;
  gap: 0;
  border: 1px solid rgba(34,211,238,.14);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: rgba(0,0,0,.18);
}

/* Receipt top header */
.rcpt-hd {
  padding: 10px 14px;
  background: linear-gradient(135deg, rgba(34,211,238,.08), rgba(59,130,246,.05));
  border-bottom: 1px solid rgba(34,211,238,.10);
}

.rcpt-hd-brand {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11.5px;
  font-weight: 800;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: 5px;
}

.rcpt-hd-meta {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--txt-2);
  flex-wrap: wrap;
}

.rcpt-sep { color: var(--txt-3); }

/* Services header row */
.rcpt-items-hd {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 12px;
  border-bottom: 1px dashed rgba(255,255,255,.06);
  background: rgba(0,0,0,.12);
}

.rcpt-items-hd span {
  font-size: 11px;
  font-weight: 800;
  color: var(--txt-3);
  text-transform: uppercase;
  letter-spacing: .05em;
}

.rcpt-add-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  border: 0;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #020e1e;
  font-size: 11.5px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--r-xs);
  cursor: pointer;
  transition: var(--t);
}

.rcpt-add-btn:hover { opacity: .9; transform: translateY(-1px); }

/* Lines container */
.rcpt-lines {
  display: grid;
  gap: 0;
  padding: 4px 8px;
  min-height: 0;
  max-height: 200px;
  overflow-y: auto;
}

.rcpt-empty {
  padding: 16px;
  text-align: center;
  color: var(--txt-3);
  font-size: 12.5px;
}

/* Dashed divider (like receipt paper) */
.rcpt-divider {
  border-top: 1px dashed rgba(255,255,255,.10);
  margin: 0 12px;
}

/* Totals section */
.rcpt-totals {
  display: grid;
  gap: 5px;
  padding: 10px 14px;
  background: rgba(0,0,0,.14);
}

.rcpt-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
}

.rcpt-row span { color: var(--txt-2); }
.rcpt-row b    { color: var(--txt); font-weight: 700; font-size: 13px; }

.rcpt-grand {
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 7px;
  margin-top: 2px;
}

.rcpt-grand span   { color: var(--txt); font-weight: 800; font-size: 13.5px; }
.rcpt-grand strong { color: var(--cyan); font-size: 17px; font-weight: 900; }

/* ── Cancel seat button ── */
.cancel-seat-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  border: 1px solid rgba(239,68,68,.22);
  border-radius: var(--r);
  background: rgba(239,68,68,.07);
  color: var(--red);
  font-size: 12.5px;
  font-weight: 700;
  padding: 6px 12px;
  min-height: 34px;
  cursor: pointer;
  transition: var(--t);
}

.cancel-seat-btn:hover {
  background: rgba(239,68,68,.16);
  border-color: rgba(239,68,68,.40);
}

/* ── Delete seat button (مدير فقط) ── */
.delete-seat-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  width: 100%;
  justify-content: center;
  border: 1px dashed rgba(239,68,68,.18);
  border-radius: var(--r);
  background: transparent;
  color: var(--txt-3);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 10px;
  min-height: 32px;
  cursor: pointer;
  transition: var(--t);
}

.delete-seat-btn:hover {
  background: rgba(239,68,68,.08);
  border-color: rgba(239,68,68,.30);
  color: var(--red);
}

/* ── PAY DIALOG ── */
.pay-modal { width: min(460px, calc(100vw - 20px)); }

.pay-totals-box {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  border: 1px solid rgba(34,211,238,.12);
  border-radius: var(--r);
  background: rgba(0,0,0,.22);
}

.pay-total-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

.pay-total-row span   { color: var(--txt-2); }
.pay-total-row b      { color: var(--txt); font-weight: 700; }
.pay-total-row.pay-total-grand { border-top: 1px dashed rgba(255,255,255,.08); padding-top: 6px; margin-top: 2px; }
.pay-total-grand span   { color: var(--txt); font-weight: 800; font-size: 14px; }
.pay-total-grand strong { color: var(--cyan); font-size: 20px; font-weight: 900; }

/* Segmented payment method buttons */
.pay-method-group {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 5px;
  padding: 5px;
  background: var(--input-bg);
  border: 1px solid var(--bdr);
  border-radius: var(--r);
}

.pay-method-btn {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 1px solid transparent;
  border-radius: var(--r-xs);
  padding: 7px 8px;
  font-size: 12.5px;
  font-weight: 700;
  background: transparent;
  color: var(--txt-2);
  cursor: pointer;
  transition: var(--t);
  white-space: nowrap;
}

.pay-method-btn svg {
  width: 13px !important;
  height: 13px !important;
  flex-shrink: 0;
  opacity: .7;
}

.pay-method-btn:hover {
  background: var(--hover-bg);
  color: var(--txt);
}

.pay-method-btn.active {
  background: linear-gradient(135deg, rgba(34,211,238,.14), rgba(59,130,246,.10));
  border-color: rgba(34,211,238,.22);
  color: var(--cyan);
  box-shadow: inset 0 0 0 1px rgba(34,211,238,.08);
}

.pay-method-btn.active svg { opacity: 1; }

/* Mixed payment fields */
.pay-mixed-fields {
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 12px;
  border: 1px solid rgba(34,211,238,.14);
  border-radius: var(--r);
  background: rgba(34,211,238,.03);
  animation: fadeUp .14s ease;
}

.pay-mixed-fields.visible { display: grid; }

.pay-mixed-status {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12.5px;
}

.pay-mixed-badge {
  font-size: 12px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 999px;
}

/* Debt / Points note */
.pay-debt-note { display: none; animation: fadeUp .14s ease; }
.pay-debt-note.visible { display: block; }

.debt-warning-box {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px;
  border: 1px solid rgba(245,158,11,.22);
  border-radius: var(--r);
  background: rgba(245,158,11,.05);
  color: var(--amber);
}

.debt-warning-box b    { display: block; font-size: 13.5px; margin-bottom: 3px; }
.debt-warning-box small { color: rgba(245,158,11,.82); font-size: 12px; line-height: 1.5; }
.debt-warning-box svg   { flex-shrink: 0; margin-top: 1px; }

@media (max-width: 480px) {
  .pay-method-group { grid-template-columns: repeat(2, 1fr); }
  .pay-method-btn { padding: 8px 4px; font-size: 11px; }
  .pay-mixed-fields { grid-template-columns: 1fr; }
}

/* ── INVOICE SUMMARY ── */
.invoice-summary {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 5px 10px;
  padding: 11px 13px;
  border-radius: var(--r);
  background: rgba(4,12,28,.62);
  border: 1px solid rgba(34,211,238,.09);
  color: var(--txt);
}

.mini-summary {
  background: linear-gradient(135deg, rgba(59,130,246,.16), rgba(34,211,238,.10));
  border-color: rgba(34,211,238,.14);
}

.invoice-summary span   { color: var(--txt-2); font-size: 12.5px; }
.invoice-summary b      { color: var(--txt);   font-weight: 700; text-align: end; font-size: 13px; }
.invoice-summary strong { color: var(--cyan);  font-size: 19px; font-weight: 800; text-align: end; }

/* ── SEAT ACTION BUTTONS ── */
.seat-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
}

/* ── START SEAT FORM ── */
.start-seat-form {
  padding: 11px;
  border: 1px solid var(--bdr);
  border-radius: var(--r);
  background: rgba(0,0,0,.16);
}

/* ── SERVICE MODAL ── */
.service-menu {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}

.service-option {
  display: grid;
  gap: 5px;
  text-align: start;
  border: 1px solid var(--bdr);
  background: var(--surface);
  border-radius: var(--r);
  padding: 14px;
  color: var(--txt);
  transition: var(--t);
  cursor: pointer;
}

.service-option span { font-size: 13.5px; font-weight: 600; }
.service-option b    { color: var(--cyan); font-size: 15.5px; font-weight: 800; }

.service-option:hover {
  border-color: rgba(34,211,238,.28);
  background: rgba(34,211,238,.05);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(34,211,238,.10);
}

.service-buttons { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
.service-buttons button { white-space: nowrap; flex: 0 0 auto; }

/* ── RECEIPT / INVOICE PREVIEW ── */
.pos-receipt { display: grid; gap: 14px; padding: 6px; }

.receipt-brand {
  text-align: center;
  padding: 16px 12px 10px;
  border-bottom: 1px dashed var(--bdr);
}

.receipt-brand strong {
  display: block;
  font-size: 20px;
  color: var(--txt);
  font-weight: 900;
  margin-bottom: 4px;
}

.receipt-brand span { color: var(--txt-2); font-size: 13px; }

.receipt-meta {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 12px;
  padding: 12px;
  border: 1px solid var(--bdr);
  border-radius: var(--r);
  background: var(--surface);
  font-size: 13.5px;
  align-items: center;
}

.receipt-meta span { color: var(--txt-2); font-weight: 700; }
.receipt-meta b    { color: var(--txt);   font-weight: 600; }

.receipt-table-head {
  display: flex;
  justify-content: space-between;
  padding: 6px 4px;
  color: var(--txt-3);
  font-size: 11.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .04em;
  border-bottom: 1px solid var(--bdr);
}

.receipt-preview, .preview-lines { display: grid; gap: 8px; }

.preview-line {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--bdr);
  border-radius: var(--r-xs);
  background: var(--surface);
  font-size: 13.5px;
  align-items: center;
}

.preview-line span  { color: var(--txt); font-weight: 600; flex: 1; }
.preview-line small { display: block; color: var(--txt-2); font-size: 11.5px; }
.preview-line b     { color: var(--cyan); font-weight: 800; white-space: nowrap; }

/* Live (editable) receipt */
.live-receipt { max-height: 70vh; overflow-y: auto; }

.live-receipt .receipt-brand { padding-bottom: 10px; }

.live-receipt .preview-line { animation: fadeUp .14s ease; }

/* remove button inside preview-line */
.cart-remove-btn {
  width: 24px; height: 24px;
  border-radius: var(--r-xs);
  background: rgba(239,68,68,.08);
  border: 1px solid rgba(239,68,68,.14);
  color: var(--red);
  font-size: 15px;
  line-height: 1;
  display: grid;
  place-items: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--t);
}

.cart-remove-btn:hover { background: rgba(239,68,68,.22); }

.receipt-totals {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 12px;
  padding: 12px;
  border: 1px solid var(--bdr);
  border-radius: var(--r);
  background: rgba(0,0,0,.22);
  font-size: 13.5px;
}

.receipt-totals span   { color: var(--txt-2); }
.receipt-totals b      { color: var(--txt); font-weight: 700; text-align: end; }
.receipt-totals strong { color: var(--cyan); font-size: 18px; font-weight: 800; text-align: end; }

.receipt-footer { text-align: center; color: var(--txt-2); font-size: 13px; }

.receipt-empty { min-height: 200px; display: grid; place-items: center; color: var(--txt-2); text-align: center; }
.receipt-lines { display: grid; gap: 10px; }
.receipt-line  { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; }
.total-line    { border-top: 1px solid var(--bdr); padding-top: 12px; font-weight: 800; font-size: 17px; }

/* Responsive */
@media (max-width: 1100px) {
  .seat-grid { grid-template-columns: repeat(auto-fill, minmax(195px, 1fr)); }
  .service-modal, .invoice-preview-modal, .pay-modal { width: min(760px, calc(100vw - 20px)); }
}

@media (max-width: 640px) {
  .seat-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
  .salon-seat { min-height: 0; padding: 12px; }
  .service-menu { grid-template-columns: 1fr 1fr; }
  .service-modal, .invoice-preview-modal, .pay-modal, .start-seat-dialog { width: calc(100vw - 14px); }

  /* Picker chips on mobile: 2 columns */
  .service-chips-grid { grid-template-columns: 1fr 1fr; max-height: 200px; }
  .service-chip { padding: 8px; }
  .service-chip span { font-size: 11px; }
  .service-chip b    { font-size: 12px; }
}