:root {
  --color-bg: #f5f6f8;
  --color-surface: #ffffff;
  --color-text: #1f2430;
  --color-muted: #6b7280;
  --color-border: #dde1e7;
  --color-primary: #1a6fd1;
  --color-primary-text: #ffffff;
  --color-danger: #c0392b;
  --color-success: #1f8a4c;
  --color-warning: #b5730a;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  min-height: 100vh;
}

.page {
  max-width: 480px;
  margin: 0 auto;
  padding: 20px 16px 48px;
}

header.app-header {
  text-align: center;
  padding: 20px 16px 8px;
}

header.app-header h1 {
  font-size: 21px;
  margin: 0 0 4px;
}

header.app-header p {
  margin: 0;
  color: var(--color-muted);
  font-size: 14px;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

h2 {
  font-size: 18px;
  margin: 0 0 16px;
}

.hotel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.hotel-button {
  width: 100%;
  min-height: 56px;
  font-size: 18px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
}

.hotel-button:active {
  background: #eef3fb;
  border-color: var(--color-primary);
}

.field {
  margin-bottom: 18px;
}

.field label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 6px;
}

.required-badge {
  color: var(--color-danger);
  font-size: 12px;
  font-weight: 600;
  margin-left: 6px;
}

.field input,
.field select {
  width: 100%;
  min-height: 48px;
  font-size: 16px;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-surface);
  color: var(--color-text);
}

.field input:focus,
.field select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.field .hint {
  font-size: 12px;
  color: var(--color-muted);
  margin-top: 4px;
}

.hidden {
  display: none;
}

.field input[readonly] {
  background: #f0f2f5;
  color: var(--color-muted);
}

.selected-hotel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #eef3fb;
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 18px;
  font-weight: 600;
}

.link-button {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px;
}

button.primary {
  width: 100%;
  min-height: 52px;
  font-size: 17px;
  font-weight: 700;
  border-radius: var(--radius);
  border: none;
  background: var(--color-primary);
  color: var(--color-primary-text);
  cursor: pointer;
}

button.primary:disabled {
  opacity: 0.5;
}

button.secondary {
  width: 100%;
  min-height: 48px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  margin-top: 10px;
}

.error-message {
  color: var(--color-danger);
  font-size: 14px;
  margin: 0 0 16px;
  display: none;
}

.error-message.visible {
  display: block;
}

#confirm-details {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 12px;
  margin: 0 0 20px;
  font-size: 15px;
}

#confirm-details dt {
  color: var(--color-muted);
}

#confirm-details dd {
  margin: 0;
  font-weight: 600;
}

.complete-id {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-align: center;
  padding: 16px;
  background: #eef3fb;
  border-radius: 10px;
  margin: 16px 0;
  word-break: break-all;
}

.step {
  display: none;
}

.step.visible {
  display: block;
}

.request-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
}

.request-card .request-id {
  font-size: 13px;
  color: var(--color-muted);
  margin-bottom: 6px;
}

.request-card dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  margin: 10px 0;
  font-size: 15px;
}

.request-card dt {
  color: var(--color-muted);
}

.request-card dd {
  margin: 0;
}

.status-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}

.status-pending {
  background: #e7e9ee;
  color: var(--color-muted);
}

.status-confirmed {
  background: #e2f4e9;
  color: var(--color-success);
}

.status-changed {
  background: #fdedd6;
  color: var(--color-warning);
}

.status-cancelled {
  background: #fbe6e3;
  color: var(--color-danger);
}

.status-select {
  width: 100%;
  min-height: 44px;
  font-size: 15px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  padding: 8px 10px;
  margin-top: 10px;
}

.empty-state {
  text-align: center;
  color: var(--color-muted);
  padding: 32px 0;
}

.pin-input {
  letter-spacing: 0.3em;
  text-align: center;
  font-size: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
}

.topbar h1 {
  font-size: 18px;
  margin: 16px 0;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 16px 20px;
}

.toolbar-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
}

.toolbar-field input,
.toolbar-field select {
  min-height: 44px;
  font-size: 15px;
  padding: 8px 10px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-surface);
  color: var(--color-text);
  font-weight: normal;
}

.date-range-inputs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.date-range-separator {
  color: var(--color-muted);
  font-weight: normal;
}

.banner-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: #eef3fb;
  color: var(--color-primary);
  border-radius: 10px;
  padding: 12px 14px;
  margin: 0 0 16px;
  font-size: 14px;
  font-weight: 600;
}

.banner-info[hidden] {
  display: none;
}

.pending-count {
  font-size: 14px;
  color: var(--color-muted);
  margin: -8px 0 16px;
}

.pending-count:empty {
  display: none;
}