:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --secondary: #64748b;
  --background: #ffffff;
  --surface: #f8fafc;
  --border: #e2e8f0;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;
  --success: #10b981;
  --danger: #ef4444;
  --radius: 8px;
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--surface);
  color: var(--text);
  line-height: 1.6;
}

/* Login Page */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
  background: white;
  padding: 3rem;
  border-radius: 12px;
  box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1);
  max-width: 400px;
  width: 90%;
  text-align: center;
}

.login-header h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.login-header p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.login-content h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.login-content p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* Dashboard */
.dashboard {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header {
  background: white;
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-left h1 {
  font-size: 1.5rem;
  color: var(--text);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
}

.main-content {
  flex: 1;
  padding: 2rem;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

.section {
  background: white;
  border-radius: var(--radius);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.section-header h2 {
  font-size: 1.25rem;
  color: var(--text);
}

/* Sites Grid */
.sites-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.site-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: box-shadow 0.2s;
  cursor: pointer;
}

.site-card:hover {
  box-shadow: var(--shadow-lg);
}

.site-card-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 1rem;
}

.site-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
}

.role-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
}

.role-badge.owner {
  background: #dbeafe;
  color: #1e40af;
}

.role-badge.editor {
  background: #fef3c7;
  color: #92400e;
}

.role-badge.viewer {
  background: #f3f4f6;
  color: #374151;
}

.site-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

/* Team Management */
.team-list {
  margin-top: 1.5rem;
}

.team-member {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
}

.member-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.member-name {
  font-weight: 500;
  color: var(--text);
}

.member-email {
  font-size: 0.875rem;
  color: var(--text-secondary);
}

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

/* Buttons */
.btn {
  padding: 0.625rem 1.25rem;
  border: none;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

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

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

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

.btn-secondary:hover {
  background: #e2e8f0;
}

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

.btn-danger:hover {
  background: #dc2626;
}

.btn-text {
  background: transparent;
  color: var(--text-secondary);
  padding: 0.5rem;
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-secondary);
}

.empty-state svg {
  width: 64px;
  height: 64px;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-state h3 {
  margin-bottom: 0.5rem;
  color: var(--text);
}

/* Loading */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
  color: var(--text-secondary);
}

.hidden {
  display: none !important;
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: white;
  padding: 2rem;
  border-radius: var(--radius);
  max-width: 500px;
  width: 90%;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.modal-header h3 {
  font-size: 1.25rem;
}

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

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text);
}

.form-input {
  width: 100%;
  padding: 0.625rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
}

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

select.form-input {
  cursor: pointer;
}