:root {
  --ink: #1b2833;
  --muted: #5e6d7b;
  --line: #e3e8ee;
  --paper: #f3f6f8;
  --card: #ffffff;
  --teal: #0f6f73;
  --green: #1b7a45;
  --green-soft: #e8f6ee;
  --shadow: 0 1px 2px rgba(27, 40, 51, 0.04), 0 8px 20px rgba(27, 40, 51, 0.05);
  --sans: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.35;
}

.app-shell,
.screen {
  width: min(420px, 100%);
  margin: 0 auto;
  padding: 12px 14px 28px;
}

.page-header,
.mast { margin-bottom: 10px; }

.back,
.back-action { margin: 0 0 8px; }

.back a,
.back-action a {
  color: var(--teal);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.home-nav {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.search-row {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.search-field {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--ink);
  padding: 10px 12px;
  font: inherit;
  font-size: 16px;
}

.qty-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}

.qty {
  min-width: 2ch;
  font-size: 18px;
  font-weight: 700;
}

.btn-secondary {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--teal);
  border-radius: 10px;
  padding: 8px 12px;
  font: inherit;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

.order-link {
  display: inline-block;
  margin-top: 8px;
  color: var(--teal);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.nav-item,
.nav-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 14px 16px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
}

.brand,
.eyebrow {
  margin: 0 0 2px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.screen-title,
h1 {
  margin: 0;
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.loading,
.date {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.days {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin: 0 0 10px;
}

.day {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 999px;
  padding: 6px 12px;
  font: inherit;
  font-size: 14px;
  white-space: nowrap;
  cursor: pointer;
}

.day[aria-selected="true"] {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}

.section { margin-top: 4px; }

.section-head { margin: 2px 0 8px; }

.section-head h2 {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.product-card,
.product, .info {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.product-card,
.product { padding: 10px 12px; }

.number {
  margin: 0;
  color: var(--teal);
  font-size: 13px;
  font-weight: 700;
}

.name {
  margin: 2px 0 0;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.price-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 8px;
  margin-top: 8px;
}

.price {
  margin: 0;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
}

.badge,
.percent {
  margin: 0;
  background: var(--green-soft);
  color: var(--green);
  border-radius: 999px;
  padding: 4px 8px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.info { padding: 12px; }

.info h3 {
  margin: 0;
  font-size: 16px;
}

.info p {
  margin: 6px 0 0;
  color: var(--muted);
  white-space: pre-line;
}

.empty-state,
.empty {
  margin: 12px 0 0;
  color: var(--muted);
}

.btn-primary,
.add-order {
  display: block;
  width: 100%;
  margin-top: 10px;
  border: 0;
  border-radius: 10px;
  background: var(--teal);
  color: #fff;
  padding: 8px 12px;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.btn-primary:disabled,
.add-order:disabled {
  cursor: default;
  opacity: 0.7;
}

.error,
.add-note {
  margin: 6px 0 0;
  min-height: 0;
  color: #9a3b32;
  font-size: 13px;
}

.error:empty,
.add-note:empty {
  display: none;
}