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

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;
  --radius: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* Header */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

header h1 {
  font-size: 1.25rem;
  font-weight: 700;
}

.sport-select {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: inherit;
  color: var(--text);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.15s;
}

.sport-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Main */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

/* Stats */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Sparklines in stat cards */
.sparkline {
  width: 100%;
  height: 30px !important;
  margin-top: 8px;
}

.stat-card-link {
  cursor: pointer;
  transition: border-color 0.15s;
}

.stat-card-link:hover {
  border-color: var(--primary);
}

.stat-link {
  font-size: 0.75rem;
  color: var(--primary);
  font-weight: 500;
  margin-top: 8px;
}

/* Stats page: charts grid */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.chart-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  height: 280px;
  position: relative;
}

.chart-card canvas {
  max-height: 220px;
}

.chart-wide {
  grid-column: 1 / -1;
}

.chart-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

/* Header with back link */
.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.back-link {
  font-size: 0.875rem;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
}

.back-link:hover {
  color: var(--primary);
}

/* Actions bar */
.actions-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.actions-bar h2 {
  font-size: 1.125rem;
  font-weight: 600;
}

/* Buttons */
.btn {
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

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

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

.btn-secondary {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
}

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

.btn-icon {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--text-muted);
  font-size: 0.8rem;
  transition: background 0.15s, color 0.15s;
}

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

.btn-icon.danger:hover {
  background: #fef2f2;
  color: var(--danger);
}

/* Table */
.table-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

thead {
  background: var(--bg);
}

th {
  text-align: left;
  padding: 10px 12px;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

td.wrap {
  white-space: normal;
  max-width: 200px;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover {
  background: #f8fafc;
}

.type-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

.type-badge.squad {
  background: #dbeafe;
  color: #1e40af;
}

.type-badge.duo {
  background: #dcfce7;
  color: #166534;
}

.type-badge.seriespill {
  background: #fef3c7;
  color: #92400e;
}

.type-badge.vinnerbane {
  background: #f3e8ff;
  color: #6b21a8;
}

.type-badge.mexicano {
  background: #fce7f3;
  color: #9d174d;
}

.type-badge.turnering {
  background: #fee2e2;
  color: #991b1b;
}

.actions-cell {
  display: flex;
  gap: 4px;
}

.empty-state {
  padding: 48px 24px;
  text-align: center;
  color: var(--text-muted);
}

.empty-state.hidden {
  display: none;
}

table.hidden {
  display: none;
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 100;
  align-items: center;
  justify-content: center;
}

.modal-overlay.active {
  display: flex;
}

.modal {
  background: var(--surface);
  border-radius: 12px;
  width: 90%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 1.05rem;
  font-weight: 600;
}

.btn-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0 4px;
  line-height: 1;
}

.btn-close:hover {
  color: var(--text);
}

form {
  padding: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--text);
  transition: border-color 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* Tag input for multi-select (players) */
.tag-input {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: text;
  transition: border-color 0.15s;
}

.tag-input:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 0.8rem;
  color: var(--text);
}

.tag-remove {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 0 2px;
  line-height: 1;
}

.tag-remove:hover {
  color: var(--danger);
}

.tag-input input {
  border: none !important;
  padding: 2px 4px !important;
  min-width: 120px;
  flex: 1;
  font-size: 0.875rem;
  outline: none;
  box-shadow: none !important;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}

/* Login screen */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 48px 40px;
  text-align: center;
  max-width: 400px;
  width: 100%;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.login-card h1 {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.login-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.login-card .form-group {
  text-align: left;
}

.btn-block {
  width: 100%;
  padding: 10px;
  margin-top: 8px;
}

.auth-error {
  background: #fef2f2;
  color: var(--danger);
  font-size: 0.825rem;
  padding: 8px 12px;
  border-radius: var(--radius);
  margin-bottom: 16px;
}

.auth-toggle {
  margin-top: 16px;
  font-size: 0.825rem;
  color: var(--text-muted);
}

.auth-toggle a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.auth-toggle a:hover {
  text-decoration: underline;
}

/* Header right section */
.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
}

.user-name {
  font-size: 0.825rem;
  color: var(--text-muted);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 0.75rem;
}

/* Hidden utility */
.hidden {
  display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
  main {
    padding: 16px;
  }

  .stats-bar {
    grid-template-columns: 1fr 1fr;
  }

  .charts-grid {
    grid-template-columns: 1fr;
  }

  .chart-wide {
    grid-column: auto;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
}