:root {
  --bg: oklch(99% 0 0);
  --surface: oklch(99% 0 0);
  --text: oklch(15% 0 0);
  --muted: oklch(55% 0 0);
  --border: oklch(15% 0 0);
  --border-soft: oklch(88% 0 0);
  --accent: oklch(55% 0.19 262);
  --accent-contrast: oklch(99% 0 0);
  --danger: oklch(55% 0.19 25);
  --font-sans: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  display: inline-block;
  width: 13px;
  height: 13px;
  border: 2px solid var(--border-soft);
  border-top-color: var(--accent);
  border-radius: 999px;
  vertical-align: middle;
  margin-right: 0.5rem;
  animation: spin 0.7s linear infinite;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
}

.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.topnav .brand {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
}
.topnav-links { display: flex; gap: 1.25rem; flex-wrap: wrap; }
.topnav a {
  color: var(--muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding-bottom: 0.35rem;
  border-bottom: 2px solid transparent;
}
.topnav a:hover { color: var(--text); }
.topnav a.active { color: var(--text); border-bottom-color: var(--accent); }

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

h1 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 1rem;
}
h2 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.75rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.btn {
  display: inline-block;
  padding: 0.6rem 1.1rem;
  border-radius: 0;
  border: 1px solid var(--border);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  background: var(--bg);
  color: var(--text);
}
.btn-primary { background: var(--accent); color: var(--accent-contrast); border-color: var(--accent); }
.btn-primary:hover { opacity: 0.88; }
.btn-secondary { background: var(--bg); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--border-soft); }
.btn-large { width: 100%; padding: 1rem; font-size: 0.95rem; margin-top: 0.75rem; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

.hint {
  color: var(--muted);
  font-size: 0.8rem;
}
.btn + .hint { margin-left: 0.5rem; }

.table-scroll { overflow-x: auto; }
.table { width: 100%; min-width: 640px; border-collapse: collapse; }
.table th, .table td {
  text-align: left;
  padding: 0.6rem 0.5rem;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.85rem;
}
.table th {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
}
.table tr.selected { background: oklch(55% 0.19 262 / 0.06); }
.table tr:hover td { background: oklch(15% 0 0 / 0.03); }

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 999px;
  margin-right: 0.4rem;
  background: var(--muted);
}
.status-online, .status-offline {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.status-online { color: var(--text); }
.status-online .status-dot { background: var(--accent); box-shadow: 0 0 6px oklch(55% 0.19 262 / 0.5); }
.status-offline { color: var(--muted); }
.status-offline .status-dot { background: var(--muted); }

textarea, select, input[type=text], input[type=number], input[type=file] {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 0;
  font-size: 0.9rem;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  margin-bottom: 0.5rem;
}
textarea::placeholder, input::placeholder { color: var(--muted); }
select {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238c8c8c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.65rem center;
  background-size: 16px;
  padding-right: 2.2rem;
}
textarea:focus, select:focus, input:focus {
  outline: none;
  border-color: var(--accent);
}

.compose-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 700px) {
  .compose-grid { grid-template-columns: 1fr; }
}

.section-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.checkbox-row { display: flex; gap: 1rem; flex-wrap: wrap; margin: 0.5rem 0; font-size: 0.85rem; }
.checkbox-row label { display: flex; align-items: center; gap: 0.35rem; }
input[type="checkbox"] { accent-color: var(--accent); width: 15px; height: 15px; }

.advanced-panel {
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 0.6rem 0.85rem;
  margin: 0.85rem 0;
  background: var(--bg);
}
.advanced-panel summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.3rem 0;
}
.adv-section { margin: 0.75rem 0; padding-top: 0.6rem; border-top: 1px solid var(--border-soft); }
.adv-section:first-of-type { border-top: none; }
.adv-section h3 {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.5rem;
}
.adv-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.5rem 0.75rem;
  margin-bottom: 0.4rem;
}
.adv-grid label { font-size: 0.8rem; display: flex; flex-direction: column; gap: 0.25rem; color: var(--muted); }
.adv-grid select, .adv-grid input { margin-bottom: 0; }

.receipt-preview {
  width: 80mm;
  max-width: 100%;
  min-height: 200px;
  margin: 0 auto;
  padding: 0.85rem;
  background: var(--bg);
  border: 1px dashed var(--border-soft);
  font-family: "Courier New", monospace;
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--text);
}
.receipt-preview.justify-center { text-align: center; }
.receipt-preview.justify-right { text-align: right; }
.receipt-preview .large-line { font-size: 1.6em; font-weight: 700; }
.receipt-preview .style-bold { font-weight: 700; }
.receipt-preview .style-double-strike { text-shadow: 0.5px 0 currentColor; }
.receipt-preview .style-underline-1 { text-decoration: underline; }
.receipt-preview .style-underline-2 { text-decoration: underline; text-decoration-thickness: 2px; }
.receipt-preview .style-reverse { background: var(--text); color: var(--bg); padding: 0 0.2em; }
.receipt-preview .style-upside-down { display: inline-block; transform: rotate(180deg); }
.receipt-preview .style-rotate { display: inline-block; transform: rotate(90deg); }
.receipt-preview .divider-line { border: none; border-top: 1px dashed var(--muted); margin: 0.3em 0; }
.receipt-preview .box-line { border: 1px solid var(--text); padding: 0.3em 0.5em; white-space: pre-wrap; }

.recent-box { margin-top: 0.85rem; }
.recent-box .hint { margin-left: 0; }
.recent-box .recent-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.5rem 0.6rem;
  margin-top: 0.4rem;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 0;
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text);
}
.recent-box .recent-item:hover { border-color: var(--accent); }

.filters { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }
.filters select, .filters input { width: auto; margin-bottom: 0; }

.pager { display: flex; align-items: center; gap: 0.75rem; margin-top: 0.75rem; }

.status-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.85rem;
}
.status-card {
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 0.85rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.status-card:hover { border-color: var(--accent); }
.status-card strong { font-size: 0.9rem; }

/* --- Send page (Minimal Mono) --- */
.send-page {
  max-width: 480px;
  margin: 0 auto;
}
.send-section {
  border-top: 1px solid var(--border-soft);
  padding-top: 0.85rem;
  margin-top: 1.25rem;
}
.send-section:first-child { border-top: none; margin-top: 0; }
.send-textarea {
  font-size: 1rem;
  padding: 0.9rem;
  min-height: 9rem;
}
.send-charcount {
  display: flex;
  justify-content: flex-end;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: -0.25rem;
}
.send-image-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  width: fit-content;
}
.send-btn {
  width: 100%;
  padding: 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 1.25rem;
  letter-spacing: 0.1em;
}
.send-result {
  display: block;
  margin-top: 0.6rem;
  margin-left: 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  text-align: center;
}

.order-catalog-list {
  max-height: 480px;
  overflow-y: auto;
  margin-top: 0.6rem;
  border: 1px solid var(--border-soft);
}
.order-item-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 0.5rem 0.7rem;
  background: var(--bg);
  border: none;
  border-bottom: 1px solid var(--border-soft);
  cursor: pointer;
  font-size: 0.82rem;
  color: var(--text);
  text-align: left;
}
.order-item-row:last-child { border-bottom: none; }
.order-item-row:hover { background: var(--border-soft); }
.order-item-row .badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.order-item-row .order-item-right { display: flex; align-items: center; gap: 0.5rem; }
.order-star-btn {
  background: none; border: none; cursor: pointer; font-size: 1rem; line-height: 1;
  color: var(--border-soft); padding: 0;
}
.order-star-btn.starred { color: var(--accent); }
.order-favorites-list { max-height: 160px; margin-bottom: 1rem; }

.order-cart-list { margin: 0.6rem 0; }
.order-cart-row {
  border: 1px solid var(--border-soft);
  padding: 0.6rem 0.7rem;
  margin-bottom: 0.6rem;
}
.order-cart-row-top { display: flex; justify-content: space-between; align-items: center; gap: 0.5rem; }
.order-cart-row-name { font-size: 0.88rem; font-weight: 500; }
.order-qty { display: flex; align-items: center; gap: 0.4rem; }
.order-qty button {
  width: 26px; height: 26px; border: 1px solid var(--border); background: var(--bg);
  cursor: pointer; font-family: var(--font-mono); font-size: 0.9rem; line-height: 1;
}
.order-qty span { font-family: var(--font-mono); min-width: 1.2em; text-align: center; }
.order-remove-btn {
  background: none; border: none; color: var(--muted); cursor: pointer; font-size: 1rem; padding: 0 0.2rem;
}
.order-remove-btn:hover { color: var(--danger); }
.order-modifiers { margin-top: 0.5rem; }
.order-modifier-group { margin-top: 0.35rem; }
.order-modifier-group-name { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.order-modifier-values { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.2rem; }
.order-modifier-values label { display: flex; align-items: center; gap: 0.25rem; font-size: 0.78rem; }
.order-empty-cart { color: var(--muted); font-size: 0.85rem; }