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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: #0f0f0f;
  color: #e0e0e0;
  min-height: 100vh;
  line-height: 1.5;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

header {
  text-align: center;
  margin-bottom: 3rem;
}

h1 {
  font-size: 2.5rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.5rem;
}

.subtitle {
  color: #888;
  font-size: 1.1rem;
}

.user-badge {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  background: rgba(107, 114, 128, 0.2);
  color: #9ca3af;
}

.user-badge.user-admin {
  background: rgba(139, 92, 246, 0.2);
  color: #a78bfa;
}

.user-badge.user-dev {
  background: rgba(34, 197, 94, 0.2);
  color: #22c55e;
}

.user-badge.user-qa {
  background: rgba(251, 146, 60, 0.2);
  color: #fb923c;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.tool-card {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 12px;
  padding: 1.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.tool-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.tool-card.status-online {
  border-left: 3px solid #22c55e;
}

.tool-card.status-stopped {
  border-left: 3px solid #f59e0b;
}

.tool-card.status-error {
  border-left: 3px solid #ef4444;
}

.tool-card.status-unknown {
  border-left: 3px solid #6b7280;
}

.tool-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.tool-header h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
}

.status-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-weight: 500;
  text-transform: uppercase;
}

.status-badge.status-online {
  background: rgba(34, 197, 94, 0.2);
  color: #22c55e;
}

.status-badge.status-stopped {
  background: rgba(245, 158, 11, 0.2);
  color: #f59e0b;
}

.status-badge.status-error {
  background: rgba(239, 68, 68, 0.2);
  color: #ef4444;
}

.status-badge.status-unknown {
  background: rgba(107, 114, 128, 0.2);
  color: #6b7280;
}

.description {
  color: #888;
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.tool-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8rem;
  color: #666;
  margin-bottom: 1rem;
}

.tool-link {
  display: inline-block;
  background: #2563eb;
  color: #fff;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.2s;
}

.tool-link:hover {
  background: #1d4ed8;
}

.loading, .no-tools, .error {
  grid-column: 1 / -1;
  text-align: center;
  padding: 3rem;
  color: #666;
}

.error {
  color: #ef4444;
}

footer {
  margin-top: 3rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid #2a2a2a;
  color: #666;
  font-size: 0.85rem;
}

#refresh-btn {
  background: #2a2a2a;
  color: #e0e0e0;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.2s;
}

#refresh-btn:hover {
  background: #3a3a3a;
}

/* --- Header controls --- */
.header-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.user-info {
  color: #ccc;
  font-size: 0.9rem;
}

.admin-link {
  color: #a78bfa;
  text-decoration: none;
  font-size: 0.85rem;
  padding: 0.25rem 0.75rem;
  border: 1px solid rgba(139, 92, 246, 0.3);
  border-radius: 6px;
}

.admin-link:hover {
  background: rgba(139, 92, 246, 0.1);
}

.logout-btn {
  background: none;
  border: 1px solid #444;
  color: #888;
  padding: 0.25rem 0.75rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}

.logout-btn:hover {
  border-color: #666;
  color: #ccc;
}

/* --- Login page --- */
.login-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.login-box {
  text-align: center;
  margin-top: 2rem;
}

.github-login-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #24292e;
  color: #fff;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  border: 1px solid #444;
  transition: background 0.2s;
}

.github-login-btn:hover {
  background: #2f363d;
}

.no-access-text {
  color: #ef4444;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.no-access-hint {
  color: #888;
  margin-bottom: 1.5rem;
}

.back-link {
  color: #2563eb;
  text-decoration: none;
}

.back-link:hover {
  text-decoration: underline;
}

/* --- Role badge colors --- */
.user-badge.user-super_admin {
  background: rgba(139, 92, 246, 0.2);
  color: #a78bfa;
}

.user-badge.user-design {
  background: rgba(236, 72, 153, 0.2);
  color: #ec4899;
}

.user-badge.user-guest {
  background: rgba(107, 114, 128, 0.2);
  color: #9ca3af;
}

/* --- Admin panel --- */
.admin-container {
  max-width: 800px;
}

.admin-section {
  margin-bottom: 2.5rem;
}

.admin-section h2 {
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #2a2a2a;
}

.admin-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.admin-card {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  padding: 1rem;
}

.card-dimmed {
  opacity: 0.5;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.avatar {
  border-radius: 50%;
}

.user-meta {
  font-size: 0.8rem;
  color: #666;
  margin-bottom: 0.5rem;
}

.user-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.role-select {
  background: #2a2a2a;
  color: #e0e0e0;
  border: 1px solid #444;
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  font-size: 0.85rem;
}

.btn-danger {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  font-size: 0.8rem;
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.2);
}

.btn-small {
  background: #2a2a2a;
  color: #e0e0e0;
  border: 1px solid #444;
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  font-size: 0.8rem;
}

.btn-small:hover {
  background: #3a3a3a;
}

/* --- Invite form --- */
.invite-form {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  border-radius: 8px;
  padding: 1rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.form-row label {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.8rem;
  color: #888;
}

.form-row input,
.form-row select {
  background: #2a2a2a;
  color: #e0e0e0;
  border: 1px solid #444;
  border-radius: 4px;
  padding: 0.4rem 0.5rem;
  font-size: 0.9rem;
}

.invite-form button[type="submit"] {
  background: #2563eb;
  color: #fff;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
}

.invite-form button[type="submit"]:hover {
  background: #1d4ed8;
}

.invite-result {
  margin-top: 0.75rem;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 8px;
  padding: 0.75rem;
}

.invite-result a {
  color: #22c55e;
  word-break: break-all;
}

.invite-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: #888;
  margin-bottom: 0.5rem;
}

.invite-status {
  font-size: 0.75rem;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  font-weight: 500;
  text-transform: uppercase;
}

.invite-active { background: rgba(34, 197, 94, 0.2); color: #22c55e; }
.invite-used { background: rgba(107, 114, 128, 0.2); color: #9ca3af; }
.invite-expired { background: rgba(239, 68, 68, 0.2); color: #ef4444; }

.invite-actions {
  display: flex;
  gap: 0.5rem;
}

.empty {
  color: #666;
  font-style: italic;
}

@media (max-width: 640px) {
  .container {
    padding: 1rem;
  }

  h1 {
    font-size: 1.75rem;
  }

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