:root {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-hover: #1c2128;
  --border: #30363d;
  --text: #c9d1d9;
  --text-muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79b8ff;
  --success: #3fb950;
  --warning: #d29922;
  --danger: #f85149;
  --radius: 8px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

header {
  text-align: center;
  margin-bottom: 2rem;
}

.logo-link { display: block; text-align: center; margin-bottom: 0.5rem; }
.dm-logo { height: 40px; width: auto; filter: drop-shadow(0 1px 2px rgba(0,0,0,0.3)); }

header h1 {
  margin: 0 0 0.25rem;
  font-size: 1.75rem;
  font-weight: 600;
}

header p {
  margin: 0;
  color: var(--text-muted);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.card h2 {
  margin: 0 0 1rem;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--accent);
}

.readonly-field {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.readonly-field:last-child {
  border-bottom: none;
}

.readonly-field .label {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.readonly-field .value {
  font-weight: 500;
}

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

.form-group:last-child {
  margin-bottom: 0;
}

.form-group label {
  display: block;
  margin-bottom: 0.375rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
}

.form-group label .required {
  color: var(--danger);
}

input[type='text'],
input[type='email'],
select,
textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: inherit;
  font-size: 0.9375rem;
  outline: none;
  transition: border-color 0.15s;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
}

textarea {
  min-height: 80px;
  resize: vertical;
}

input:placeholder-shown,
select:invalid {
  color: var(--text-muted);
}

.multi-check {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.multi-check label {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.625rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text);
  user-select: none;
  transition: background 0.15s, border-color 0.15s;
}

.multi-check label:hover {
  background: var(--surface-hover);
}

.multi-check input[type='checkbox'] {
  cursor: pointer;
  accent-color: var(--accent);
}

.transportation-controls {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.transportation-option {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--text);
  user-select: none;
  transition: background 0.15s, border-color 0.15s;
}

.transportation-option:hover {
  background: var(--surface-hover);
  border-color: var(--text-muted);
}

.transportation-option input[type='checkbox'] {
  cursor: pointer;
  accent-color: var(--accent);
}

.carpool-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.5rem;
}

.carpool-option {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--text);
  user-select: none;
  transition: background 0.15s, border-color 0.15s;
}

.carpool-option:hover {
  background: var(--surface-hover);
  border-color: var(--text-muted);
}

.carpool-option input[type='checkbox'] {
  cursor: pointer;
  accent-color: var(--accent);
}

.camp-icon {
  margin-right: 0.25rem;
}

/* Luma checkout button override */
.luma-checkout--button {
  display: inline-block;
  width: 100%;
  padding: 0.875rem;
  background: var(--accent) !important;
  color: var(--bg) !important;
  border: none !important;
  border-radius: var(--radius) !important;
  font-family: var(--font) !important;
  font-size: 1rem !important;
  font-weight: 600 !important;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s;
}

.luma-checkout--button:hover {
  background: var(--accent-hover) !important;
}

.status-check {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-top: 0.75rem;
  cursor: pointer;
  transition: background 0.15s;
}

.status-check:hover {
  background: var(--surface-hover);
}

.status-check input {
  width: 1.125rem;
  height: 1.125rem;
  accent-color: var(--accent);
  cursor: pointer;
}

.status-check label {
  margin: 0;
  cursor: pointer;
  font-size: 0.9375rem;
  flex: 1;
}

.status-check.completed {
  border-color: var(--success);
  background: rgba(63, 185, 80, 0.08);
}

.status-check.required input[type='checkbox'] {
  accent-color: var(--danger);
}

.status-check.required.completed {
  border-color: var(--success);
  background: rgba(63, 185, 80, 0.08);
}

status-check.required .required-badge {
  color: var(--danger);
  font-size: 0.75rem;
  margin-left: 0.25rem;
}

#success-view .card {
  text-align: center;
}

#success-view h2 {
  margin-bottom: 0.5rem;
  color: var(--accent);
}

#success-view p {
  color: var(--text-muted);
}

#signal-groups a,
#signal-groups a:hover {
  text-decoration: none;
  color: var(--text);
}

.submit-btn {
  display: inline-block;
  width: 100%;
  padding: 0.875rem;
  background: var(--accent) !important;
  color: var(--bg) !important;
  border: none !important;
  border-radius: var(--radius) !important;
  font-family: var(--font) !important;
  font-size: 1rem !important;
  font-weight: 600 !important;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s;
}

.submit-btn:hover {
  background: var(--accent-hover) !important;
}

.submit-btn:hover:not(:disabled) {
  background: var(--accent-hover);
}

.submit-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.message {
  padding: 1rem;
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
  text-align: center;
  font-size: 0.9375rem;
}

.message.error {
  background: rgba(248, 81, 73, 0.1);
  border: 1px solid var(--danger);
  color: var(--danger);
}

.message.success {
  background: rgba(63, 185, 80, 0.1);
  border: 1px solid var(--success);
  color: var(--success);
}

.hidden {
  display: none !important;
}

.spinner {
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 2rem auto;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}