/* Global Styles & Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #1a73e8;
  --primary-light: #4285f4;
  --success: #0f9d58;
  --warning: #f4b400;
  --danger: #db4437;
  --dark: #202124;
  --text: #3c4043;
  --light-text: #5f6368;
  --border: #dadce0;
  --background: #f8f9fa;
  --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
  --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

body {
  font-family: var(--font-family);
  color: var(--text);
  background-color: var(--background);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  background-color: white;
  padding: 1rem 2rem;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  max-height: 40px;
  transition: var(--transition);
}

.logo:hover {
  transform: scale(1.05);
}

.botones {
  display: flex;
  gap: 1rem;
}

button {
  background-color: white;
  color: var(--primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 1.25rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.95rem;
}

button:hover {
  background-color: var(--primary);
  color: white;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(26, 115, 232, 0.15);
}

button i {
  font-size: 1rem;
}

/* Main Content */
main {
  flex: 1;
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* Data Table */
#tabla-datos {
  background-color: white;
  border-radius: 12px;
  box-shadow: var(--card-shadow);
  overflow: hidden;
  width: 100%;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn 0.5s ease-out forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

table {
  width: 100%;
  border-collapse: collapse;
}

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

th {
  background-color: #f8f9fa;
  color: var(--light-text);
  font-weight: 500;
  position: sticky;
  top: 0;
}

tr:hover {
  background-color: rgba(0, 0, 0, 0.01);
}

/* Stats Section */
#datos {
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 1rem;
  background-color: white;
  border-radius: 12px;
  padding: 1.2rem;
  box-shadow: var(--card-shadow);
  animation: slideUp 0.6s ease-out;
  height: fit-content;
  position: sticky;
  top: 100px;
  width: 100%;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

#datos div {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.2rem;
  border-radius: 8px;
  background-color: #f8f9fa;
  transition: var(--transition);
  height: 140px;
  justify-content: center;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

#datos div:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

#datos strong {
  color: var(--light-text);
  font-size: 0.9rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#datos span {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--dark);
  display: block;
  line-height: 1.2;
}

#paradas-titulo,
#paradas {
  color: var(--primary);
}

#tiempo-titulo,
#tiempo,
#tiempo-optimizado {
  color: var(--success);
}

#distancia-titulo,
#distancia,
#distancia-optimizado {
  color: var(--warning);
}

#combustible-titulo,
#combustible,
#combustible-optimizado {
  color: var(--danger);
}

#tiempo-optimizado,
#distancia-optimizado,
#combustible-optimizado {
  font-size: 0.85rem;
  font-style: italic;
  color: inherit;
  opacity: 0.7;
  margin-top: 0.25rem;
}

/* Responsive */
@media (max-width: 1200px) {
  main {
    grid-template-columns: 2fr 1fr;
  }
}

@media (max-width: 1024px) {
  main {
    grid-template-columns: 1fr;
  }

  #datos {
    position: static;
    grid-template-columns: repeat(2, 1fr);
    margin-top: 1rem;
  }
}

@media (max-width: 768px) {
  header {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }

  .botones {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  main {
    padding: 1rem;
    grid-template-columns: 1fr;
  }

  #datos {
    grid-template-columns: 1fr;
  }

  table {
    font-size: 0.9rem;
  }

  th,
  td {
    padding: 0.75rem;
  }
}

/* Animation for file upload */
@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(26, 115, 232, 0.4);
  }

  70% {
    box-shadow: 0 0 0 10px rgba(26, 115, 232, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(26, 115, 232, 0);
  }
}

#subirCSV:hover {
  animation: pulse 1.5s infinite;
}

/* Loader Animation */
.loader {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-radius: 50%;
  border-top-color: var(--primary);
  margin: 2rem auto;
  animation: spin 1s linear infinite;
}

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

/* Success animation for route optimization */
.success-checkmark {
  display: inline-block;
  width: 20px;
  height: 20px;
  position: relative;
}

.checkmark-circle {
  stroke-dasharray: 166;
  stroke-dashoffset: 166;
  stroke-width: 2;
  stroke: var(--success);
  fill: none;
  animation: stroke 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.checkmark-check {
  transform-origin: 50% 50%;
  stroke-dasharray: 48;
  stroke-dashoffset: 48;
  animation: stroke 0.3s cubic-bezier(0.65, 0, 0.45, 1) 0.8s forwards;
}

@keyframes stroke {
  100% {
    stroke-dashoffset: 0;
  }
}