:root {
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-main: #0f172a;
  --text-muted: #475569;
  --border-color: #cbd5e1;
  --border-dark: #94a3b8;
  
  --ready-bg: #f0fdf4;
  --ready-border: #15803d;
  --ready-text: #14532d;

  --pending-bg: #fffbeb;
  --pending-border: #d97706;
  --pending-text: #78350f;

  --boarded-bg: #f1f5f9;
  --boarded-border: #64748b;
  --boarded-text: #334155;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.4;
  padding-bottom: 70px;
}

/* Container */
.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 8px 12px;
}

/* ----------------- Login Screen ----------------- */
#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 16px;
  background: linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
}

.login-card {
  background: #ffffff;
  border: 2px solid #cbd5e1;
  border-radius: 16px;
  max-width: 380px;
  width: 100%;
  padding: 28px 22px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  text-align: center;
}

.login-logo {
  font-size: 2.5rem;
  margin-bottom: 8px;
}

.login-title {
  font-size: 1.4rem;
  font-weight: 900;
  color: #0f172a;
  letter-spacing: -0.5px;
}

.login-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.login-input {
  width: 100%;
  padding: 13px 14px;
  font-size: 1.05rem;
  border: 2px solid #cbd5e1;
  border-radius: 10px;
  margin-bottom: 12px;
  outline: none;
  font-weight: 500;
  color: #0f172a;
}
.login-input:focus {
  border-color: #2563eb;
}

.login-btn {
  width: 100%;
  padding: 14px;
  font-size: 1.05rem;
  font-weight: 700;
  background: #0f172a;
  color: #ffffff;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  margin-top: 6px;
}
.login-btn:active {
  transform: scale(0.98);
}

.login-error {
  margin-top: 12px;
  padding: 10px;
  background: #fee2e2;
  border: 1px solid #ef4444;
  color: #991b1b;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  display: none;
}

/* ----------------- Main App Header ----------------- */
header {
  background: #ffffff;
  border-bottom: 2px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 8px 12px;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.app-title {
  font-size: 1.15rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  gap: 6px;
  letter-spacing: -0.3px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10b981;
  display: inline-block;
}
.status-dot.offline {
  background-color: #ef4444;
}

.header-user-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.user-pill {
  font-size: 0.8rem;
  font-weight: 700;
  background: #f1f5f9;
  border: 1.5px solid #cbd5e1;
  padding: 3px 8px;
  border-radius: 16px;
  color: #0f172a;
}

.admin-pill-btn {
  font-size: 0.8rem;
  font-weight: 700;
  background: #eff6ff;
  border: 1.5px solid #93c5fd;
  color: #1d4ed8;
  padding: 3px 8px;
  border-radius: 16px;
  cursor: pointer;
  display: none;
}

.logout-pill-btn {
  font-size: 0.8rem;
  font-weight: 700;
  background: #fef2f2;
  border: 1.5px solid #fca5a5;
  color: #b91c1c;
  padding: 3px 8px;
  border-radius: 16px;
  cursor: pointer;
}

/* Compact Filter Chips */
.chips-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}

.chip {
  flex: 1;
  padding: 6px 4px;
  border-radius: 8px;
  border: 1.5px solid #cbd5e1;
  background: #ffffff;
  text-align: center;
  cursor: pointer;
  user-select: none;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
}
.chip span {
  font-size: 0.95rem;
  font-weight: 900;
  display: block;
}
.chip.active {
  background: #0f172a;
  border-color: #0f172a;
  color: #ffffff;
}
.chip.active span {
  color: #ffffff !important;
}

.chip-ready span { color: #15803d; }
.chip-pending span { color: #b45309; }
.chip-boarded span { color: #2563eb; }

/* Search bar */
.search-wrapper {
  position: relative;
  margin-bottom: 8px;
}

.search-input {
  width: 100%;
  padding: 10px 34px 10px 12px;
  font-size: 1rem;
  border: 2px solid #94a3b8;
  border-radius: 8px;
  outline: none;
  background: #ffffff;
  color: var(--text-main);
  font-weight: 600;
}
.search-input:focus {
  border-color: #0f172a;
}

.search-clear {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: 1.1rem;
  color: #64748b;
  cursor: pointer;
  display: none;
}

/* Tabs */
.tabs-nav {
  display: flex;
  gap: 4px;
}

.tab-btn {
  flex: 1;
  text-align: center;
  padding: 6px 8px;
  background: #f1f5f9;
  border: 1.5px solid #cbd5e1;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
}
.tab-btn.active {
  background: #0f172a;
  color: #ffffff;
  border-color: #0f172a;
}
.tab-badge {
  display: inline-block;
  background: rgba(0, 0, 0, 0.08);
  padding: 1px 5px;
  border-radius: 10px;
  font-size: 0.72rem;
  margin-left: 3px;
}
.tab-btn.active .tab-badge {
  background: #ffffff;
  color: #0f172a;
}

/* ----------------- Vehicle Cards ----------------- */
.card {
  background: var(--card-bg);
  border: 2px solid var(--border-dark);
  border-radius: 10px;
  margin-bottom: 10px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.card.status-ready {
  border-color: var(--ready-border);
  background: #fbfffc;
}
.card.status-pending {
  border-color: var(--pending-border);
}
.card.status-boarded {
  border-color: var(--boarded-border);
  opacity: 0.7;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  background: #f8fafc;
  border-bottom: 1.5px solid #cbd5e1;
  min-height: 48px;
  box-sizing: border-box;
}
.card.status-ready .card-header {
  background: var(--ready-bg);
  border-bottom-color: #bbf7d0;
}
.card.status-pending .card-header {
  background: var(--pending-bg);
  border-bottom-color: #fde68a;
}

.card-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
}
.vehicle-name {
  font-size: 1.1rem;
  font-weight: 900;
  color: #0f172a;
}
.badge {
  font-size: 0.75rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 5px;
  text-transform: uppercase;
  line-height: 1.2;
  white-space: nowrap;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
}
.badge.ready {
  background: #dcfce7;
  color: #14532d;
  border: 1px solid #86efac;
}
.badge.pending {
  background: #fef3c7;
  color: #78350f;
  border: 1px solid #fcd34d;
}
.badge.boarded {
  background: #e2e8f0;
  color: #334155;
  border: 1px solid #cbd5e1;
}
.badge.not_arrived {
  background: #f1f5f9;
  color: #475569;
  border: 1px solid #cbd5e1;
}

.card-actions {
  display: flex;
  gap: 6px;
}

.btn {
  padding: 5px 12px;
  border-radius: 6px;
  border: 1.5px solid #cbd5e1;
  background: #ffffff;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-height: 32px;
  box-sizing: border-box;
  line-height: 1.2;
  white-space: nowrap;
}
.btn:active {
  transform: scale(0.96);
}
.btn-primary {
  background: #15803d;
  color: white;
  border-color: #14532d;
}
.btn-board {
  background: #1d4ed8;
  color: white;
  border-color: #1e40af;
  font-size: 0.92rem;
  padding: 7px 14px;
}
.btn-undo {
  background: #fee2e2;
  color: #991b1b;
  border-color: #fca5a5;
}

/* Member Rows */
.member-list {
  padding: 2px 0;
}

.member-row {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  border-bottom: 1px solid #f1f5f9;
  cursor: pointer;
  user-select: none;
  min-height: 46px;
  box-sizing: border-box;
}
.member-row:last-child {
  border-bottom: none;
}
.member-row:active {
  background-color: #f1f5f9;
}
.member-row.arrived {
  background-color: #f0fdf4;
}

/* Custom High-Visibility Checkbox */
.custom-checkbox {
  width: 24px;
  height: 24px;
  border: 2px solid #64748b;
  border-radius: 6px;
  margin-right: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  flex-shrink: 0;
  transition: all 0.1s ease;
}
.member-row.arrived .custom-checkbox {
  background: #15803d;
  border-color: #15803d;
  color: #ffffff;
}
.custom-checkbox svg {
  display: none;
  width: 16px;
  height: 16px;
  stroke: #ffffff;
  stroke-width: 3;
  fill: none;
}
.member-row.arrived .custom-checkbox svg {
  display: block;
}

.token-badge {
  font-family: monospace;
  font-size: 0.92rem;
  font-weight: 800;
  background: #0f172a;
  color: #ffffff;
  padding: 2px 7px;
  border-radius: 5px;
  margin-right: 8px;
  flex-shrink: 0;
}

.member-name {
  font-size: 0.95rem;
  font-weight: 600;
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: #0f172a;
}
.member-row.arrived .member-name {
  color: #15803d;
}

.member-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
  flex-shrink: 0;
  font-weight: 600;
  margin-left: 8px;
  white-space: nowrap;
}

/* Search Term Highlight */
mark.search-highlight {
  background-color: #fef08a;
  color: #0f172a;
  font-weight: 800;
  padding: 1px 3px;
  border-radius: 3px;
  border: 1px solid #facc15;
}

.token-badge mark.search-highlight {
  background-color: #fde047;
  color: #000000;
  border-color: #eab308;
}

.vehicle-name mark.search-highlight {
  background-color: #fef08a;
  color: #0f172a;
}

/* Queue Card */
.queue-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
}
.queue-rank {
  font-size: 1.4rem;
  font-weight: 900;
  color: #0f172a;
  margin-right: 10px;
  width: 30px;
}

/* Floating Toast with Undo */
#toast {
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: #0f172a;
  color: #ffffff;
  padding: 7px 14px;
  border-radius: 28px;
  font-size: 0.84rem;
  font-weight: 600;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.28), 0 0 0 1px rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: calc(100% - 32px);
  max-width: 380px;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.22s ease;
  box-sizing: border-box;
}
#toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}
#toast-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1 1 auto;
  min-width: 0;
  color: #f8fafc;
}
#toast-undo {
  background: #f59e0b;
  color: #0f172a;
  border: none;
  padding: 4px 11px;
  border-radius: 14px;
  font-size: 0.78rem;
  font-weight: 800;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  transition: transform 0.1s ease, background-color 0.15s ease;
}
#toast-undo:active {
  transform: scale(0.93);
  background: #d97706;
}

/* ----------------- Admin Modal ----------------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 500;
  padding: 14px;
}
.modal-overlay.open {
  display: flex;
}

.modal-box {
  background: #ffffff;
  border-radius: 14px;
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 18px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  border-bottom: 2px solid #e2e8f0;
  padding-bottom: 10px;
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 900;
  color: #0f172a;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.4rem;
  font-weight: 700;
  color: #64748b;
  cursor: pointer;
}

.admin-section {
  background: #f8fafc;
  border: 1.5px solid #cbd5e1;
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 14px;
}
.admin-section-title {
  font-size: 0.95rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: #0f172a;
}

.volunteer-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 8px;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  margin-bottom: 6px;
  font-size: 0.88rem;
  font-weight: 600;
}

.volunteer-remove-btn {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 30px 16px;
  color: var(--text-muted);
}
.empty-icon {
  font-size: 2.2rem;
  margin-bottom: 6px;
}

/* Activity log */
.log-item {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.85rem;
  display: flex;
  gap: 8px;
}
.log-time {
  font-family: monospace;
  color: var(--text-muted);
  font-size: 0.78rem;
  white-space: nowrap;
}
.log-text {
  flex-grow: 1;
}