:root {
  --primary-blue: #2196F3;
  --dark-blue: #1565C0;
  --light-blue: #64B5F6;
  --accent-yellow: #FFD54F;
  --accent-orange: #FF9800;
  --success-green: #4CAF50;
  --error-red: #F44336;
  --warning-amber: #FFC107;
  --bg-dark: #0D1B2A;
  --bg-card: rgba(255, 255, 255, 0.95);
  --text-dark: #1B2838;
  --text-light: #FFFFFF;
  --text-muted: #64748B;
  --border-color: #E2E8F0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.2);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
}

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

body {
  font-family: 'Source Sans 3', sans-serif;
  background-color: var(--primary-blue);
  background-image: url('/background.jpeg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  min-height: 100vh;
  color: var(--text-dark);
}

#root {
  min-height: 100vh;
}

h1, h2, h3 {
  font-family: 'Bebas Neue', sans-serif;
  letter-spacing: 0.05em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-family: 'Source Sans 3', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-blue), var(--dark-blue));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: white;
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
}

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

.btn-success {
  background: linear-gradient(135deg, var(--success-green), #388E3C);
  color: white;
}

.btn-danger {
  background: linear-gradient(135deg, var(--error-red), #C62828);
  color: white;
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning-amber), #F9A825);
  color: #1a1a1a;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

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

.form-label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--text-dark);
  font-size: 0.9rem;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-blue);
}

.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: inherit;
  background: white;
  cursor: pointer;
}

.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 24px;
  margin-bottom: 16px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--border-color);
}

.card-title {
  font-size: 1.5rem;
  color: var(--text-dark);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px;
}

.header {
  background: rgba(13, 27, 42, 0.95);
  padding: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-lg);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.8rem;
  color: white;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  font-size: 2rem;
}

.nav {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.nav-btn {
  padding: 8px 16px;
  background: rgba(255,255,255,0.1);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.nav-btn:hover, .nav-btn.active {
  background: var(--primary-blue);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  color: white;
}

.user-badge {
  padding: 4px 12px;
  background: var(--accent-yellow);
  color: var(--text-dark);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
}

.score-rating {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.score-btn {
  width: 44px;
  height: 44px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  background: white;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
}

.score-btn:hover {
  border-color: var(--primary-blue);
  background: #E3F2FD;
}

.score-btn.selected {
  background: var(--primary-blue);
  border-color: var(--primary-blue);
  color: white;
}

.table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  background: #F8FAFC;
  font-weight: 700;
  color: var(--text-dark);
}

tr:hover {
  background: #F8FAFC;
}

.alert {
  padding: 16px;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  font-weight: 600;
}

.alert-error {
  background: #FFEBEE;
  color: var(--error-red);
  border: 1px solid var(--error-red);
}

.alert-success {
  background: #E8F5E9;
  color: var(--success-green);
  border: 1px solid var(--success-green);
}

.alert-warning {
  background: #FFF8E1;
  color: #F57C00;
  border: 1px solid var(--warning-amber);
}

.grid {
  display: grid;
  gap: 16px;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.team-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 16px;
  border: 2px solid var(--border-color);
  cursor: pointer;
  transition: all 0.2s;
}

.team-card:hover {
  border-color: var(--primary-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.team-card.scored {
  border-color: var(--success-green);
  background: #E8F5E9;
}

.team-number {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  color: var(--primary-blue);
}

.team-name {
  font-weight: 600;
  color: var(--text-dark);
  margin-top: 4px;
}

.team-division {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 4px;
}

.division-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.division-tab {
  padding: 10px 20px;
  background: rgba(255,255,255,0.9);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.division-tab:hover {
  border-color: var(--primary-blue);
}

.division-tab.active {
  background: var(--primary-blue);
  border-color: var(--primary-blue);
  color: white;
}

.checkbox-group {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: #F8FAFC;
  border-radius: var(--radius-md);
  cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

.score-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.score-box {
  background: #F8FAFC;
  padding: 16px;
  border-radius: var(--radius-md);
  text-align: center;
}

.score-box-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.score-box-value {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  color: var(--primary-blue);
}

.discrepancy-warning {
  background: #FFF8E1;
  border: 2px solid var(--warning-amber);
  color: #F57C00;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}

.modal {
  background: white;
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 2px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.25rem;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 2px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.loading {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 48px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border-color);
  border-top-color: var(--primary-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.pending-message {
  text-align: center;
  padding: 48px;
}

.pending-icon {
  font-size: 4rem;
  margin-bottom: 16px;
}

.results-table th, .results-table td {
  padding: 8px 12px;
  font-size: 0.9rem;
}

.results-table .rank-1 {
  background: #FFD700;
}

.results-table .rank-2 {
  background: #C0C0C0;
}

.results-table .rank-3 {
  background: #CD7F32;
}

.results-table .rank-ineligible,
.results-table .rank-ineligible td {
  background: #FFD7D7;
}

@media (max-width: 640px) {
  .header-content {
    flex-direction: column;
    align-items: stretch;
  }

  .nav {
    justify-content: center;
  }

  .user-info {
    justify-content: center;
  }

  .card {
    padding: 16px;
  }

  .score-btn {
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }

  .modal {
    margin: 8px;
  }
}

@media print {
  .header, .nav, .btn {
    display: none !important;
  }

  body {
    background: white !important;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}

/* Scoring Layout - Sidebar + Form */
.scoring-layout {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.scoring-layout .scoring-form-area {
  flex: 1;
  min-width: 0;
}

/* Team Sidebar */
.team-sidebar {
  width: 250px;
  flex-shrink: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow-y: auto;
  max-height: calc(100vh - 120px);
  position: sticky;
  top: 80px;
}

.team-sidebar-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
  font-weight: bold;
  font-size: 0.85em;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.team-sidebar-item {
  padding: 10px 16px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: background-color 0.15s;
}

.team-sidebar-item:last-child {
  border-bottom: none;
}

.team-sidebar-item:hover {
  background: rgba(59, 130, 246, 0.05);
}

.team-sidebar-item.active {
  background: rgba(59, 130, 246, 0.12);
  border-left: 3px solid var(--primary-blue);
  padding-left: 13px;
}

.team-sidebar-item-info {
  flex: 1;
  min-width: 0;
}

.team-sidebar-item-number {
  font-weight: bold;
  font-size: 0.9em;
  color: var(--text-dark);
}

.team-sidebar-item-name {
  font-size: 0.8em;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.team-sidebar-item-division {
  font-size: 0.7em;
  color: var(--text-muted);
  text-transform: capitalize;
}

.team-sidebar-scored {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--success-green);
  color: white;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  font-size: 11px;
  font-weight: bold;
  flex-shrink: 0;
}

/* Mobile drawer toggle button */
.drawer-toggle-btn {
  display: none;
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 1000;
  background: var(--primary-blue);
  color: white;
  border: none;
  border-radius: 28px;
  padding: 12px 20px;
  font-size: 0.9em;
  font-weight: bold;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  cursor: pointer;
}

/* Drawer overlay */
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1001;
}

.drawer-overlay.open {
  display: block;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .scoring-layout {
    flex-direction: column;
  }

  .team-sidebar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    max-height: 100vh;
    border-radius: 0;
    z-index: 1002;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }

  .team-sidebar.open {
    display: block;
    transform: translateX(0);
  }

  .drawer-toggle-btn {
    display: flex;
    align-items: center;
    gap: 6px;
  }
}

/* ============ RESPONSIVE FORM LAYOUTS ============ */

/* Judge scoring two-column layout */
.judge-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}

/* Time input rows (presentation time, run times) */
.time-input-row {
  display: flex;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.time-input-row .form-group {
  flex: 1;
  min-width: 100px;
}

/* Checkbox grids (simple machines, energy transfers) */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

/* Score detail grids in scorekeeper modals */
.score-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  font-size: 0.9em;
}

/* Mobile: stack columns, reduce grids */
@media (max-width: 768px) {
  .judge-columns {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .checkbox-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .score-detail-grid {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 8px;
  }

  .card {
    padding: 12px;
  }

  .modal {
    margin: 8px;
    max-height: 90vh;
  }

  .modal-body {
    padding: 12px;
  }
}

/* Small phones */
@media (max-width: 480px) {
  .checkbox-grid {
    grid-template-columns: 1fr 1fr;
  }

  .time-input-row {
    flex-direction: column;
    gap: 8px;
  }

  .score-btn {
    width: 36px;
    height: 36px;
    font-size: 0.85em;
  }
}

/* ============ LANDING PAGE ============ */
.landing-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 24px;
  text-align: center;
}

.landing-hero {
  margin-bottom: 48px;
  background: rgba(13, 27, 42, 0.72);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
}

.landing-logo {
  width: 120px;
  height: auto;
  margin-bottom: 24px;
}

.landing-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  color: #ffffff;
  letter-spacing: 1px;
  line-height: 1.2;
  margin-bottom: 12px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.landing-subtitle {
  color: rgba(255,255,255,0.85);
  font-size: 1.1rem;
}

.landing-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.landing-card {
  background: var(--bg-card);
  border: 2px solid var(--border-gray);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}

.landing-card:hover {
  border-color: var(--primary-blue);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.landing-card-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.landing-card-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.4rem;
  color: var(--text-primary);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.landing-card-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.landing-footer {
  margin-top: 16px;
}

.landing-signin-link {
  color: #ffffff;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
  background: rgba(13, 27, 42, 0.6);
  padding: 8px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.3);
  display: inline-block;
}

.landing-signin-link:hover {
  background: rgba(13, 27, 42, 0.85);
  text-decoration: none;
}

@media (max-width: 768px) {
  .landing-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .landing-title {
    font-size: 1.5rem;
  }

  .landing-card {
    padding: 24px 20px;
  }
}