/* Base e reset */
:root {
  --primary: #4361ee;
  --primary-hover: #3a56d4;
  --primary-light: #ebefff;
  --secondary: #6c757d;
  --success: #2dc653;
  --success-hover: #25a244;
  --info: #4cc9f0;
  --info-hover: #33b9e6;
  --warning: #ff9e00;
  --danger: #ef476f;
  --light: #f8f9fe;
  --dark: #172b4d;
  --white: #ffffff;
  --background: #f5f7fa;
  --shadow-soft: 0 4px 8px rgba(0, 0, 0, 0.05);
  --shadow-darker: 0 7px 14px rgba(50, 50, 93, 0.12), 0 3px 6px rgba(0, 0, 0, 0.08);
  --shadow-card: 0 10px 20px rgba(67, 97, 238, 0.07);
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --transition-speed: 0.3s;
  --border-radius: 16px;
  --border-radius-sm: 12px;
  --class-a-color: #4361ee;
  --class-b-color: #3a0ca3;
  --class-c-color: #4cc9f0;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--background);
  color: var(--dark);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  position: relative;
  background-image: radial-gradient(rgba(67, 97, 238, 0.04) 2px, transparent 2px);
  background-size: 30px 30px;
}

.container {
  max-width: 1000px;
  width: 100%;
  margin: 0 auto;
  padding: 30px;
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
  animation: fadeIn 0.8s ease;
}

.container:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-darker);
}

/* Titoli */
h1 {
  color: var(--dark);
  text-align: center;
  margin-bottom: 35px;
  font-weight: 700;
  font-size: 32px;
  position: relative;
  padding-bottom: 15px;
}

h1::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--info));
  border-radius: 4px;
}

h1 i {
  background: linear-gradient(135deg, var(--primary), var(--info));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-right: 10px;
}

/* Form */
.form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 35px;
}

.input-group {
  position: relative;
}

.input-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--dark);
  transition: color var(--transition-speed);
}

.input-group:focus-within label {
  color: var(--primary);
}

.input-group:focus-within label i {
  transform: scale(1.2);
}

.input-group label i {
  color: var(--primary);
  margin-right: 8px;
  transition: transform 0.3s ease;
}

input[type="text"],
input[type="number"] {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid #e6e9ef;
  background-color: #f8f9fe;
  border-radius: var(--border-radius-sm);
  font-size: 16px;
  transition: all var(--transition-speed);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

input[type="text"]:focus,
input[type="number"]:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.15);
}

.btn {
  padding: 14px 24px;
  font-size: 16px;
  font-weight: 600;
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-speed);
  box-shadow: 0 4px 10px rgba(67, 97, 238, 0.3);
  position: relative;
  overflow: hidden;
}

.btn:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 6px 14px rgba(67, 97, 238, 0.4);
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(1px);
  box-shadow: 0 3px 5px rgba(67, 97, 238, 0.2);
}

.btn::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: -100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.7s;
}

.btn:hover::after {
  left: 100%;
}

.btn i {
  margin-right: 8px;
  transition: transform 0.3s ease;
}

.btn:hover i {
  transform: scale(1.2);
}

/* Bottoni di esportazione personalizzati */
.btn-export {
  margin: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

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

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

.btn-word:hover {
  background-color: var(--info-hover);
}

.export-buttons {
  text-align: center;
  margin-top: 20px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.export-buttons.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Tabella */
.table-container {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
  margin-bottom: 20px;
}

.table-container.visible {
  opacity: 1;
  transform: translateY(0);
}

.styled-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 16px;
  background-color: var(--white);
}

.styled-table thead {
  background-color: var(--primary-light);
}

.styled-table th {
  padding: 16px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  font-size: 14px;
  letter-spacing: 0.5px;
  border-bottom: 2px solid #e9ecef;
}

.styled-table td {
  padding: 16px;
  color: var(--dark);
  border-bottom: 1px solid #e9ecef;
  transition: background-color var(--transition-speed);
}

.styled-table tbody tr {
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.styled-table tbody tr:hover {
  background-color: #f8f9fe;
  transform: scale(1.01);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
  z-index: 1;
  position: relative;
}

.styled-table tbody tr:last-child td {
  border-bottom: none;
}

.hidden {
  display: none;
}

/* Classe per mostrare la tabella */
.show {
  display: block;
}

/* Notifiche */
.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 15px 25px;
  border-radius: var(--border-radius-sm);
  color: white;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  z-index: 1000;
  opacity: 0;
  transform: translateY(-20px);
  transition: opacity 0.3s, transform 0.3s;
}

.notification.show {
  opacity: 1;
  transform: translateY(0);
}

.notification.error {
  background-color: var(--danger);
}

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

.notification.info {
  background-color: var(--info);
}

/* Effetto ripple */
.ripple {
  position: absolute;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: scale(0);
  animation: ripple 0.6s linear;
  pointer-events: none;
}

/* Badge classe di rete */
.network-class-badge {
  display: inline-block;
  padding: 6px 12px;
  font-size: 14px;
  font-weight: 500;
  color: white;
  border-radius: 100px;
  margin-bottom: 10px;
}

.network-class-badge.class-a {
  background-color: var(--class-a-color);
}

.network-class-badge.class-b {
  background-color: var(--class-b-color);
}

.network-class-badge.class-c {
  background-color: var(--class-c-color);
}

/* Popup informazioni */
.info-popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background-color: var(--white);
  padding: 25px;
  border-radius: var(--border-radius);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
  max-width: 600px;
  width: 90%;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.info-popup.visible {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  visibility: visible;
}

.info-popup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 1px solid #e9ecef;
}

.info-popup-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--primary);
}

.info-popup-close {
  background: none;
  border: none;
  color: var(--secondary);
  font-size: 24px;
  cursor: pointer;
  transition: color 0.3s;
}

.info-popup-close:hover {
  color: var(--danger);
}

.info-popup-content {
  margin-bottom: 20px;
}

.info-popup-content h3 {
  margin-top: 15px;
  margin-bottom: 10px;
  color: var(--dark);
}

.info-popup-content p {
  line-height: 1.6;
  margin-bottom: 10px;
  color: var(--secondary);
}

.info-popup-content ul {
  padding-left: 20px;
  margin-bottom: 15px;
}

.info-popup-content li {
  margin-bottom: 5px;
}

.info-popup-footer {
  text-align: right;
}

.overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 99;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.overlay.visible {
  opacity: 1;
  visibility: visible;
}

/* Info Button */
.info-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background-color: var(--info);
  color: white;
  font-size: 14px;
  border-radius: 50%;
  margin-left: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.info-button:hover {
  background-color: var(--info-hover);
  transform: scale(1.1);
}

/* Network Summary */
.network-summary {
  background-color: var(--primary-light);
  border-radius: var(--border-radius);
  padding: 20px;
  margin-bottom: 25px;
  border-left: 4px solid var(--primary);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.network-summary.visible {
  opacity: 1;
  transform: translateY(0);
}

.network-summary h3 {
  font-size: 18px;
  color: var(--primary);
  margin-bottom: 12px;
}

.network-summary-item {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(67, 97, 238, 0.2);
}

.network-summary-item:last-child {
  border-bottom: none;
}

.network-summary-label {
  font-weight: 500;
  color: var(--dark);
}

.network-summary-value {
  font-weight: 600;
  color: var(--primary);
}

/* Footer */
.footer {
  width: 100%;
  text-align: center;
  padding: 20px 0;
  font-size: 14px;
  color: var(--secondary);
  margin-top: 30px;
  background-color: var(--white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
}

.footer span {
  color: var(--primary);
  font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 20px;
  }
  
  h1 {
    font-size: 24px;
  }
  
  .table-container {
    overflow-x: auto;
  }
  
  .network-summary-item {
    flex-direction: column;
  }
  
  .network-summary-value {
    margin-top: 4px;
  }
}

/* Animazioni */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(67, 97, 238, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(67, 97, 238, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(67, 97, 238, 0);
  }
}

@keyframes ripple {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Animazione per i bit */
.bits-animation {
  position: relative;
  display: inline-block;
  padding: 4px 8px;
  background-color: var(--primary-light);
  border-radius: 4px;
  font-family: monospace;
  font-weight: bold;
  color: var(--primary);
  margin: 0 4px;
  animation: pulse 2s infinite;
}

/* Stile per evidenziare i bit di rete vs bit host */
.bits-network {
  color: var(--primary);
  font-weight: bold;
  text-decoration: underline;
}

.bits-host {
  color: var(--info);
}

/* Tooltip */
.has-tooltip {
  position: relative;
  cursor: help;
}

.tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--dark);
  color: white;
  padding: 8px 12px;
  border-radius: 4px;
  font-size: 13px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  z-index: 10;
}

.has-tooltip:hover .tooltip {
  opacity: 1;
  visibility: visible;
}