:root {
  --brand-white: #f4f4f4;
  --brand-black: #000000;
  --brand-yellow: #ead956;
  --brand-red: #b12e2a;
  --brand-green: #356227;
  --brand-green-light: #dce8d9;

  --bg: var(--brand-white);
  --surface: #ffffff;
  --text: var(--brand-black);
  --text-muted: #4a4a4a;
  --border: #d4d4d4;
  --border-strong: var(--brand-black);
  --error: var(--brand-red);
  --error-bg: #fdf0ef;
  --success: var(--brand-green);
  --success-bg: var(--brand-green-light);
  --radius: 2px;
  --shadow: 0 2px 0 rgba(0, 0, 0, 0.06);
  --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--brand-black);
  text-underline-offset: 2px;
}

a:hover {
  color: #333;
}

.container {
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-header {
  background: var(--brand-black);
  color: var(--brand-white);
  padding: 0.875rem 0;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  text-decoration: none;
  color: inherit;
}

.brand:hover {
  opacity: 0.88;
}

.brand-logo {
  display: block;
  height: 28px;
  width: auto;
}

.brand-text {
  min-width: 0;
}

.brand-name {
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
  display: block;
  color: var(--brand-white);
  line-height: 1.2;
}

.brand-sub {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.72);
  display: block;
  margin-top: 0.125rem;
}

.subway-stripe {
  height: 8px;
  background: var(--brand-yellow);
}

.main-content {
  flex: 1;
  padding: 1.75rem 0 3rem;
}

[hidden] {
  display: none !important;
}

.site-footer {
  padding: 1.5rem 0 2rem;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.site-footer a {
  color: var(--text);
  font-weight: 500;
}

.card {
  background: var(--surface);
  border: 2px solid var(--brand-black);
  border-radius: var(--radius);
  padding: 0 0 1.25rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card h1 {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0;
  padding: 0.875rem 1.25rem;
  background: var(--brand-black);
  color: var(--brand-white);
}

.card--items {
  padding-bottom: 1.25rem;
}

.card--items .item-list {
  margin: 0;
  padding: 1rem 1.25rem 0;
}

.card > p,
.card > form,
.card > .form-group,
.card > .btn-row,
.card > .pad,
.card > .item-list,
.card > .form-error {
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.card > p,
.card > form {
  padding-top: 1rem;
}

.card > p {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  font-size: 0.9375rem;
}

.card > .pad {
  padding-top: 1rem;
}

.card > .btn-row {
  padding-top: 0.15rem;
}

.pad {
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 0.75rem;
}

@media (max-width: 520px) {
  .grid2 {
    grid-template-columns: 1fr;
  }
}

.item-list {
  list-style: none;
  margin: 0;
  padding: 1rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.unit-card {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  column-gap: 0.875rem;
  align-items: start;
  padding: 0.75rem;
  border: 2px solid var(--brand-black);
  border-radius: var(--radius);
  background: var(--surface);
}

.unit-card.is-waiting,
.unit-card.is-confirmed {
  opacity: 0.55;
  filter: grayscale(0.35);
  border-color: var(--border);
}

.unit-card-ships-to {
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.35;
  color: var(--text);
  filter: none;
}

.unit-card-ships-to-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
}

.unit-card-thumb {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border: 2px solid var(--border);
  background: var(--bg);
}

.unit-card-thumb--empty {
  background: var(--bg);
}

.unit-card-content {
  min-width: 0;
}

.unit-card-title {
  font-weight: 700;
  font-size: 0.9375rem;
  margin: 0 0 0.2rem;
  line-height: 1.3;
}

.unit-card-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin: 0 0 0.35rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.unit-card-status {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 700;
}

.unit-card:not(.is-waiting) .unit-card-status {
  color: var(--brand-green);
}

.address-block {
  font-size: 0.9375rem;
  line-height: 1.45;
  margin-bottom: 1rem;
}

.form-error {
  color: var(--error);
  font-size: 0.875rem;
  margin: 0 0 1rem;
}

.confirm-dialog {
  border: 2px solid var(--brand-black);
  border-radius: var(--radius);
  padding: 0 0 1.25rem;
  max-width: 28rem;
  width: calc(100% - 2rem);
  font-family: var(--font);
  overflow: hidden;
}

.confirm-dialog::backdrop {
  background: rgba(0, 0, 0, 0.45);
}

.confirm-dialog h2 {
  margin: 0;
  padding: 0.875rem 1.25rem;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--brand-black);
  color: var(--brand-white);
}

.confirm-dialog p {
  margin: 0;
  padding: 1rem 1.25rem 0;
}

.confirm-dialog-note {
  font-size: 0.875rem;
  font-style: italic;
  color: var(--text-muted);
  padding-bottom: 0.25rem;
}

.confirm-dialog .btn-row {
  padding: 1rem 1.25rem 0;
}

.muted {
  color: var(--text-muted);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 0.375rem;
}

input[type="email"],
input[type="text"] {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font: inherit;
  font-size: 0.9375rem;
  border: 2px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
}

input:focus {
  outline: 2px solid var(--brand-black);
  outline-offset: 1px;
}

.btn,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid var(--brand-black);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
}

.btn {
  background: var(--brand-black);
  color: var(--brand-white);
}

.btn:hover {
  background: #333;
  border-color: #333;
}

.btn-secondary {
  background: var(--surface);
  color: var(--brand-black);
}

.btn-secondary:hover {
  background: var(--bg);
}

.btn-row {
  display: flex;
  gap: 0.75rem;
  margin-top: 0.25rem;
  flex-wrap: wrap;
}

.alert {
  padding: 0.875rem 1rem;
  margin: 0 1.25rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  border: 2px solid;
}

.alert-success {
  background: var(--success-bg);
  color: var(--text);
  border-color: var(--brand-black);
}

.alert-error {
  background: var(--error-bg);
  color: var(--error);
  border-color: var(--error);
}

.success-banner {
  display: none;
}

.success-banner.is-visible {
  display: block;
}

.email-chip {
  display: inline-block;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: var(--brand-yellow);
  color: var(--brand-black);
  padding: 0.2rem 0.5rem;
  border: 2px solid var(--brand-black);
}

.logout-link {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-white);
  text-decoration: none;
}

.logout-link:hover {
  color: var(--brand-yellow);
}