/* ============================================
   PROTOCOLLO CRI ALESSANDRIA - STYLES
   ============================================ */

:root {
  --primary: #e53935;
  --primary-dark: #c62828;
  --secondary: #424242;
  --success: #4caf50;
  --danger: #f44336;
  --warning: #ff9800;
  --light: #f5f5f5;
  --border: #e0e0e0;
  --text: #212121;
  --text-light: #757575;
}

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

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

/* ============================================
   UTILITY CLASSES
   ============================================ */

.hidden {
  display: none !important;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ============================================
   LOADING
   ============================================ */

.loading {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

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

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

/* ============================================
   LOGIN PAGE
   ============================================ */

.login-box {
  max-width: 400px;
  margin: 100px auto;
  background: white;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo {
  text-align: center;
  margin-bottom: 30px;
}

.logo h1 {
  color: var(--primary);
  font-size: 28px;
  margin-bottom: 5px;
}

.logo p {
  color: var(--text-light);
  font-size: 14px;
}

/* ============================================
   FORMS
   ============================================ */

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 14px;
  font-family: inherit;
}

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

.form-group small {
  display: block;
  margin-top: 5px;
  color: var(--text-light);
  font-size: 12px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-grid .full-width {
  grid-column: 1 / -1;
}

.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

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

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

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

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

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

/* ============================================
   ERROR MESSAGE
   ============================================ */

.error-message {
  padding: 10px;
  background: #ffebee;
  color: var(--danger);
  border-radius: 4px;
  margin-top: 10px;
  font-size: 14px;
}

/* ============================================
   SETUP 2FA
   ============================================ */

.setup-box {
  max-width: 500px;
  margin: 50px auto;
  background: white;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.setup-box h2 {
  margin-bottom: 10px;
}

#qr-code {
  text-align: center;
  margin: 30px 0;
}

.manual-code {
  background: var(--light);
  padding: 15px;
  border-radius: 4px;
  margin: 20px 0;
}

.manual-code code {
  display: block;
  font-size: 16px;
  font-weight: bold;
  letter-spacing: 2px;
  text-align: center;
  margin-top: 10px;
}

#backup-codes {
  margin-top: 30px;
  padding: 20px;
  background: #fff3cd;
  border: 2px solid var(--warning);
  border-radius: 4px;
}

#backup-codes h3 {
  color: var(--warning);
  margin-bottom: 10px;
}

#backup-codes-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 20px 0;
}

#backup-codes-list code {
  display: block;
  padding: 8px;
  background: white;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 14px;
  text-align: center;
}

/* ============================================
   HEADER
   ============================================ */

.header {
  background: white;
  border-bottom: 1px solid var(--border);
  padding: 15px 0;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header h1 {
  font-size: 20px;
  color: var(--primary);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 15px;
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
  background: var(--secondary);
}

.nav-links {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links li a {
  display: block;
  padding: 15px 20px;
  color: white;
  text-decoration: none;
  transition: background 0.2s;
}

.nav-links li a:hover,
.nav-links li a.active {
  background: rgba(255,255,255,0.1);
}

/* ============================================
   MAIN CONTENT
   ============================================ */

.main {
  padding: 30px 0;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.view h2 {
  margin-bottom: 20px;
  color: var(--primary);
}

.view-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.search-box {
  display: flex;
  gap: 10px;
}

.search-box input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  min-width: 300px;
}

/* ============================================
   STATS GRID
   ============================================ */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.stat-card {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.stat-card h3 {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 10px;
}

.stat-value {
  font-size: 36px;
  font-weight: bold;
  color: var(--primary);
  margin-bottom: 5px;
}

.stat-card small {
  color: var(--text-light);
  font-size: 12px;
}

/* ============================================
   TABLE
   ============================================ */

table {
  width: 100%;
  background: white;
  border-collapse: collapse;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

th {
  background: var(--light);
  font-weight: 600;
  color: var(--text);
}

tr:hover {
  background: var(--light);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .nav-links {
    flex-wrap: wrap;
  }
  
  .view-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
  
  .search-box input {
    min-width: 200px;
  }
  
  #backup-codes-list {
    grid-template-columns: 1fr;
  }
}