/* Utilitarian Design System: Solid borders, high-contrast, zero emojis */
:root {
  --bg-color: #f8fafc;
  --surface-color: #ffffff;
  --border-color: #cbd5e1;
  --border-strong: #94a3b8;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --link-color: #1d4ed8;

  --primary-btn-bg: #0f172a;
  --primary-btn-text: #ffffff;
  --primary-btn-hover: #334155;

  --secondary-btn-bg: #f1f5f9;
  --secondary-btn-text: #0f172a;
  --secondary-btn-hover: #e2e8f0;

  --danger-color: #b91c1c;
  --danger-bg: #fef2f2;
  --danger-border: #fca5a5;

  --warning-color: #9a3412;
  --warning-bg: #fff7ed;
  --warning-border: #fed7aa;

  --success-color: #166534;
  --success-bg: #f0fdf4;
  --success-border: #bbf7d0;

  --info-color: #1e3a8a;
  --info-bg: #eff6ff;
  --info-border: #bfdbfe;

  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-stack);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.5;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

.site-header {
  background-color: var(--surface-color);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 16px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 17px;
  color: var(--text-primary);
  text-decoration: none;
}

.brand-link svg {
  stroke: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: 4px;
}

.nav-links a:hover {
  color: var(--text-primary);
  background-color: var(--secondary-btn-bg);
}

.nav-user {
  font-size: 13px;
  color: var(--text-muted);
  border-left: 1px solid var(--border-color);
  padding-left: 12px;
}

.main-container {
  max-width: 1040px;
  margin: 24px auto;
  padding: 0 16px;
}

.card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 20px;
  margin-bottom: 24px;
}

.card-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.card-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 4px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background-color: var(--primary-btn-bg);
  color: var(--primary-btn-text);
  border-color: var(--primary-btn-bg);
}

.btn-primary:hover {
  background-color: var(--primary-btn-hover);
  border-color: var(--primary-btn-hover);
}

.btn-secondary {
  background-color: var(--secondary-btn-bg);
  color: var(--secondary-btn-text);
  border-color: var(--border-color);
}

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

.btn-danger {
  background-color: var(--surface-color);
  color: var(--danger-color);
  border-color: var(--danger-border);
}

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

.btn-sm {
  padding: 4px 8px;
  font-size: 12px;
}

.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 8px 10px;
  font-size: 14px;
  font-family: inherit;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--surface-color);
  color: var(--text-primary);
}

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

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

.radio-group {
  display: flex;
  gap: 16px;
  margin-top: 4px;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  cursor: pointer;
}

.alert {
  padding: 12px 14px;
  border-radius: 4px;
  font-size: 14px;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border: 1px solid;
}

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

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

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

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

.table-responsive {
  width: 100%;
  overflow-x: auto;
  margin-top: 12px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
  background: var(--surface-color);
}

table.data-table th,
table.data-table td {
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  vertical-align: middle;
}

table.data-table th {
  background-color: #f1f5f9;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

table.data-table tr:nth-child(even) td {
  background-color: #fafbfc;
}

.badge {
  display: inline-block;
  padding: 2px 6px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 1px solid;
}

.badge-success {
  background: var(--success-bg);
  color: var(--success-color);
  border-color: var(--success-border);
}

.badge-warning {
  background: var(--warning-bg);
  color: var(--warning-color);
  border-color: var(--warning-border);
}

.badge-secondary {
  background: var(--secondary-btn-bg);
  color: var(--text-secondary);
  border-color: var(--border-color);
}

.slot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
  margin: 16px 0;
}

.slot-item {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 10px 12px;
  background: var(--surface-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}

.slot-item:hover {
  background-color: #f8fafc;
  border-color: var(--border-strong);
}

.slot-item.selected {
  border-color: var(--text-primary);
  background-color: #f1f5f9;
}

.slot-item.surviving {
  border-left: 4px solid var(--success-color);
}

.slot-item.eliminated {
  opacity: 0.7;
}

.slot-item label {
  cursor: pointer;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.slot-date {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
}

.slot-time {
  font-size: 12px;
  color: var(--text-secondary);
}

.slot-checkbox {
  width: 18px;
  height: 18px;
  cursor: pointer;
  margin-left: 10px;
}

.consensus-banner {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 16px;
  margin-bottom: 20px;
  background-color: var(--surface-color);
}

.consensus-banner.consensus-active {
  border-color: var(--success-border);
  background-color: var(--success-bg);
  color: var(--success-color);
}

.consensus-banner.consensus-zero {
  border-color: var(--danger-border);
  background-color: var(--danger-bg);
  color: var(--danger-color);
}

.consensus-slot-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.slot-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.slot-pill.pill-mutual {
  border-color: var(--success-border);
  background: var(--surface-color);
  color: var(--success-color);
  font-weight: 600;
}

.share-box {
  display: flex;
  gap: 8px;
  margin-top: 8px;
}

.share-input {
  font-family: var(--font-mono);
  font-size: 13px;
  background-color: #f1f5f9;
}

/* ==========================================================================
   Booking / Holiday Style Date Range Picker (Organiser Creation)
   ========================================================================== */

.booking-widget {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--surface-color);
  padding: 18px;
  margin-top: 10px;
}

.booking-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface-color);
  overflow: hidden;
  margin-bottom: 14px;
}

.booking-field {
  padding: 12px 16px;
  cursor: pointer;
  transition: background-color 0.15s ease;
  position: relative;
}

.booking-field:hover,
.booking-field.active {
  background-color: #f1f5f9;
}

.booking-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 3px;
}

.booking-val {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.booking-arrow {
  padding: 0 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
}

.preset-pills-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.preset-pill-btn {
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
  background: var(--surface-color);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.preset-pill-btn:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
  background: #f1f5f9;
}

.booking-cal-box {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: #ffffff;
  padding: 16px;
  margin-bottom: 16px;
}

.booking-cal-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding: 0 4px;
}

.booking-cal-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.booking-cal-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
}

.booking-day-header {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 8px 0;
}

.booking-day-cell {
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  color: var(--text-primary);
  position: relative;
  transition: background-color 0.1s ease;
  border: 1px solid transparent;
}

.booking-day-cell:hover:not(.disabled):not(.empty) {
  background-color: #f1f5f9;
  border-color: var(--border-color);
}

.booking-day-cell.disabled {
  color: #cbd5e1;
  cursor: not-allowed;
}

.booking-day-cell.empty {
  cursor: default;
}

.booking-day-cell.range-single {
  background-color: var(--primary-btn-bg) !important;
  color: #ffffff !important;
  font-weight: 700;
  border-radius: 6px !important;
}

.booking-day-cell.range-start {
  background-color: var(--primary-btn-bg) !important;
  color: #ffffff !important;
  font-weight: 700;
  border-top-left-radius: 6px;
  border-bottom-left-radius: 6px;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.booking-day-cell.range-end {
  background-color: var(--primary-btn-bg) !important;
  color: #ffffff !important;
  font-weight: 700;
  border-top-right-radius: 6px;
  border-bottom-right-radius: 6px;
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.booking-day-cell.range-start.range-end {
  border-radius: 6px !important;
}

.booking-day-cell.in-range {
  background-color: #e2e8f0 !important;
  color: var(--text-primary) !important;
  border-radius: 0 !important;
}

.booking-day-cell.pending-start {
  outline: 2px solid var(--text-primary);
  outline-offset: -2px;
  background-color: #f1f5f9;
  font-weight: 700;
}

.booking-day-cell.range-preview {
  background-color: #cbd5e1 !important;
}

.range-summary-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: #f8fafc;
  margin-bottom: 14px;
}

.range-summary-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.date-chips-box {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 10px;
  background: #fafbfc;
  min-height: 52px;
  max-height: 160px;
  overflow-y: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: flex-start;
}

.date-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 8px;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 3px;
  color: var(--text-primary);
}

.date-chip button {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  cursor: pointer;
  color: var(--text-muted);
  font-weight: 700;
  font-size: 13px;
  line-height: 1;
}

.date-chip button:hover {
  color: var(--danger-color);
}

/* ==========================================================================
   Attendee Day-by-Day Availability Cards (Event View)
   ========================================================================== */

.day-cards-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 16px 0;
}

.day-selection-row {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: var(--surface-color);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s ease;
}

.day-selection-row:hover {
  border-color: var(--border-strong);
  background-color: #f8fafc;
}

.day-selection-row.selected {
  border: 2px solid #16a34a;
  background-color: #f0fdf4;
}

.day-selection-row.eliminated {
  opacity: 0.85;
}

.day-selection-left {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.day-calendar-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 52px;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background: #f8fafc;
  line-height: 1.1;
  flex-shrink: 0;
}

.day-calendar-badge .cal-wk {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.day-calendar-badge .cal-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 2px;
}

.day-selection-row.selected .day-calendar-badge {
  background: #ffffff;
  border-color: #86efac;
}

.day-detail-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.day-full-date {
  font-weight: 600;
  font-size: 15px;
  color: var(--text-primary);
}

.day-timing-text {
  font-size: 12px;
  color: var(--text-secondary);
}

.day-consensus-info {
  margin-top: 2px;
  font-size: 11px;
}

.day-selection-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.day-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--border-color);
  background: var(--surface-color);
  color: var(--text-muted);
  white-space: nowrap;
}

.day-selection-row.selected .day-status-pill {
  border-color: #16a34a;
  background-color: #16a34a;
  color: #ffffff;
}