/* ===== Tokens ===== */
:root {
  --paper: #FAFAF7;
  --paper-raised: #FFFFFF;
  --ink: #1B1B18;
  --ink-soft: #55564F;
  --slate: #6B7169;
  --line: #E4E1DA;
  --line-strong: #D3CFC5;
  --pine: #2F4B3C;
  --pine-soft: #E9EFEA;
  --rust: #9C4B32;

  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius: 10px;
  --radius-sm: 6px;
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  width: 100%;
  -webkit-overflow-scrolling: touch;
}

button {
  font-family: inherit;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
}

button:active {
  opacity: 0.75;
}

.tabular {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

:focus-visible {
  outline: 2px solid var(--pine);
  outline-offset: 2px;
}

input, textarea, select {
  font-size: 16px;
  font-family: inherit;
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* ===== App shell ===== */
.app {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

/* ===== Top bar ===== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: max(20px, env(safe-area-inset-top)) 24px 20px;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--paper);
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.brand-mark {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--pine);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.balance-chip {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  transition: border-color 0.15s ease;
}

.balance-chip:hover { border-color: var(--line-strong); }

.balance-label {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.balance-amount {
  font-family: var(--font-display);
  font-size: 16px;
  font-variant-numeric: tabular-nums;
}

/* ===== Layout ===== */
.layout {
  display: flex;
  flex: 1;
}

.nav {
  width: 168px;
  flex-shrink: 0;
  padding: 28px 16px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: none;
  border: none;
  text-align: left;
  padding: 10px 10px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--ink-soft);
}

.nav-dot {
  font-size: 11px;
  color: var(--slate);
  font-variant-numeric: tabular-nums;
}

.nav-item:hover { background: var(--pine-soft); color: var(--ink); }

.nav-item.is-active {
  background: var(--pine);
  color: #fff;
}
.nav-item.is-active .nav-dot { color: rgba(255,255,255,0.7); }

.content {
  flex: 1;
  padding: 32px 32px 80px;
  min-width: 0;
}

.view { display: none; }
.view.is-active { display: block; animation: fade-in 0.2s ease; }

@keyframes fade-in {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

.view-head { margin-bottom: 24px; }

.view-head h1 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  margin: 0 0 6px;
}

.view-sub {
  color: var(--slate);
  font-size: 14px;
  margin: 0;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 500;
  padding: 7px 14px 7px 12px;
  border-radius: 999px;
  margin-bottom: 20px;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.back-link:hover {
  border-color: var(--line-strong);
  color: var(--ink);
  background: var(--pine-soft);
}

/* ===== Category grid ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.category-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 22px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.category-card:hover {
  border-color: var(--pine);
  transform: translateY(-1px);
}

.category-index {
  display: none;
}

.category-icon {
  display: inline-flex;
  width: 22px;
  height: 22px;
}
.category-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.category-name {
  font-size: 15px;
  font-weight: 500;
}

.category-count {
  display: block;
  font-size: 12px;
  color: var(--slate);
  margin-top: 3px;
}

.section-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 36px 0 16px;
  color: var(--slate);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line);
}

/* ===== Coming soon ===== */
.coming-soon {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 10px;
  background: var(--paper-raised);
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  padding: 56px 24px;
}

.coming-soon-icon {
  display: inline-flex;
  width: 40px;
  height: 40px;
  margin-bottom: 6px;
  border-radius: 10px;
  overflow: hidden;
}
.coming-soon-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.coming-soon h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  margin: 0;
  color: var(--ink);
}

.coming-soon p {
  font-size: 13.5px;
  color: var(--slate);
  margin: 0 0 10px;
  max-width: 320px;
}

.coming-soon-btn {
  cursor: not-allowed;
  opacity: 0.6;
}
.coming-soon-btn:hover { background: none; }

/* ===== Service list ===== */
.service-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.service-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.service-info h3 {
  font-size: 14.5px;
  font-weight: 500;
  margin: 0 0 4px;
}

.service-meta {
  font-size: 12.5px;
  color: var(--slate);
}

.service-price {
  text-align: right;
  flex-shrink: 0;
}

.service-price .amount {
  font-family: var(--font-display);
  font-size: 16px;
  display: block;
}

.service-price .unit {
  font-size: 11px;
  color: var(--slate);
}

.btn {
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  padding: 9px 16px;
  min-height: 40px;
  font-size: 13.5px;
  font-weight: 500;
  white-space: nowrap;
}

.btn-primary {
  background: var(--pine);
  color: #fff;
}
.btn-primary:hover { background: #26392e; }

.btn-ghost {
  background: none;
  border-color: var(--line-strong);
  color: var(--ink);
}
.btn-ghost:hover { background: var(--pine-soft); }

.btn-order {
  background: none;
  border: 1px solid var(--line-strong);
  color: var(--ink);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  min-height: 38px;
  font-size: 13px;
  margin-top: 8px;
}
.btn-order:hover { background: var(--pine); border-color: var(--pine); color: #fff; }

/* ===== Ledger (orders) ===== */
.ledger {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.ledger-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 20px;
}

.ledger-row {
  display: flex;
  justify-content: space-between;
  padding: 9px 0;
  font-size: 13.5px;
  border-bottom: 1px solid var(--line);
}
.ledger-row:last-of-type { border-bottom: none; }

.ledger-row--total {
  font-family: var(--font-display);
  font-size: 15px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  border-bottom: none;
  margin-top: 4px;
}

.order-entry {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.order-entry-main h3 {
  font-size: 14px;
  font-weight: 500;
  margin: 0 0 3px;
}

.order-entry-meta {
  font-size: 12px;
  color: var(--slate);
}

.order-entry-right {
  text-align: right;
  flex-shrink: 0;
}

.order-entry-right .amount {
  font-family: var(--font-display);
  font-size: 15px;
  display: block;
}

.status {
  display: inline-block;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 20px;
  margin-top: 4px;
}
.status--done { background: var(--pine-soft); color: var(--pine); }
.status--progress { background: #F2EBE1; color: var(--rust); }

.amount--credit { color: var(--pine); }
.amount--debit { color: var(--rust); }

/* ===== Account menu ===== */
.menu-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.menu-row {
  background: var(--paper-raised);
  border: none;
  border-bottom: 1px solid var(--line);
  text-align: left;
  padding: 15px 18px;
  min-height: 48px;
  font-size: 14px;
}
.menu-row:last-child { border-bottom: none; }
.menu-row:hover { background: var(--pine-soft); }

/* ===== Confirmation sheet ===== */
.sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(27, 27, 24, 0.4);
  display: none;
  align-items: flex-end;
  justify-content: center;
  z-index: 50;
}
.sheet-backdrop.is-active { display: flex; }

.sheet {
  background: var(--paper);
  width: 100%;
  max-width: 480px;
  border-radius: 16px 16px 0 0;
  padding: 24px 24px calc(28px + env(safe-area-inset-bottom));
  animation: slide-up 0.2s ease;
}

@media (min-width: 640px) {
  .sheet-backdrop { align-items: center; }
  .sheet { border-radius: var(--radius); }
}

@keyframes slide-up {
  from { transform: translateY(16px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.sheet-eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.sheet-head h2 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  margin: 4px 0 18px;
}

.sheet-actions {
  display: flex;
  gap: 10px;
}
.sheet-actions .btn { flex: 1; }

/* ===== Quantity selection sheet ===== */
.qty-options {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.qty-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 13.5px;
  color: var(--ink);
  text-align: left;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.qty-option:hover { border-color: var(--line-strong); }

.qty-option.is-selected {
  border-color: var(--pine);
  background: var(--pine-soft);
}

.qty-option-label { font-weight: 500; }

.qty-option-price {
  font-family: var(--font-display);
  font-size: 14px;
}

.qty-link-field {
  margin-bottom: 20px;
}

.qty-link-field label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--slate);
  margin-bottom: 7px;
}

.qty-link-field input {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  background: var(--paper-raised);
  color: var(--ink);
}

.qty-link-field input:focus-visible { outline-offset: 0; }

.qty-link-field input.has-error {
  border-color: var(--rust);
}

.qty-link-error {
  display: none;
  font-size: 12px;
  color: var(--rust);
  margin-top: 7px;
}

.qty-link-error.is-visible { display: block; }

/* ===== Insufficient funds toast ===== */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(16px);
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--ink);
  color: #fff;
  padding: 12px 14px 12px 18px;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(27, 27, 24, 0.25);
  max-width: calc(100% - 32px);
  z-index: 60;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.is-active {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.toast-text {
  font-size: 13px;
  white-space: nowrap;
}

.btn-toast {
  flex-shrink: 0;
  padding: 8px 16px;
  min-height: 34px;
  font-size: 12.5px;
  background: #fff;
  color: var(--ink);
}
.btn-toast:hover { background: var(--pine-soft); }

@media (max-width: 460px) {
  .toast {
    left: 16px;
    right: 16px;
    transform: translateY(16px);
    max-width: none;
  }
  .toast.is-active { transform: translateY(0); }
  .toast-text {
    white-space: normal;
    flex: 1;
  }
}

.qr-wrap {
  display: flex;
  justify-content: center;
  padding: 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 20px;
}

.qr-wrap img,
.qr-wrap canvas {
  display: block;
}

/* ===== Mobile nav ===== */
.mobile-nav {
  display: none;
}

/* ===== Responsive ===== */
@media (max-width: 780px) {
  .content { padding: 24px 18px calc(90px + env(safe-area-inset-bottom)); }
  .nav { display: none; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }

  .mobile-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--paper-raised);
    border-top: 1px solid var(--line);
    padding-bottom: env(safe-area-inset-bottom);
    z-index: 40;
  }

  .mobile-nav-item {
    flex: 1;
    background: none;
    border: none;
    padding: 14px 0;
    min-height: 48px;
    font-size: 12.5px;
    color: var(--slate);
  }

  .mobile-nav-item.is-active {
    color: var(--pine);
    font-weight: 600;
  }
}

@media (max-width: 460px) {
  .category-grid { grid-template-columns: 1fr; }
  .service-row { flex-direction: column; align-items: stretch; }
  .service-price { text-align: left; }
  .service-price .btn-order { width: 100%; }
}