:root {
  /* Paleta principal - IES Gregorio Prieto */
  --prieto-green: #8cc63f;
  --prieto-green-dark: #6ba32d;
  --prieto-green-light: #e8f5e0;
  --prieto-dark: #1a1d21;
  --prieto-gray: #5a6268;
  
  /* Colores de mediciones */
  --temp-color: #d84315;
  --hum-color: #0277bd;
  --press-color: #6a1b9a;
  --wind-color: #37474f;
  --rain-color: #283593;
}

/* ========== NAVBAR ========== */
.navbar {
  border-bottom: 3px solid var(--prieto-green);
  background: #fff !important;
}

.nav-link {
  color: var(--prieto-dark) !important;
}

.nav-link:hover,
.nav-link.active {
  color: var(--prieto-green-dark) !important;
}

.dropdown-item:hover {
  background-color: var(--prieto-green-light) !important;
  color: var(--prieto-green-dark) !important;
}

.img-logo {
  width: 60px;
  height: 60px;
}

/* ========== HERO SECTION ========== */
.hero-section {
  background: linear-gradient(135deg, var(--prieto-green-light) 0%, #fff 100%);
  padding: 2rem 0;
  border-radius: 0 0 2rem 2rem;
  margin-bottom: 1rem;
}

.text-prieto {
  color: var(--prieto-green-dark) !important;
}

.bg-prieto {
  background-color: var(--prieto-green) !important;
}

.update-badge {
  background: white;
  padding: 1rem 1.5rem;
  border-radius: 1rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  display: inline-block;
  color: var(--prieto-green-dark);
}

/* ========== FOOTER ========== */
footer {
  background-color: var(--prieto-dark) !important;
}

/* ========== METRIC CARDS (Home) ========== */
.metric-card {
  padding: 1.25rem;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all 0.3s ease;
  border: 1px solid rgba(0,0,0,0.05);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.metric-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.metric-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  background: rgba(255,255,255,0.6);
}

.metric-info {
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 600;
  opacity: 0.8;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.2;
}

.metric-icon-large {
  width: 70px;
  height: 70px;
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

/* ========== BACKGROUND COLORS ========== */
.bg-temp {
  background: linear-gradient(135deg, #fff3e0 0%, #ffccbc 100%);
  color: var(--temp-color);
}
.bg-hum {
  background: linear-gradient(135deg, #e1f5fe 0%, #b3e5fc 100%);
  color: var(--hum-color);
}
.bg-press {
  background: linear-gradient(135deg, #f3e5f5 0%, #e1bee7 100%);
  color: var(--press-color);
}
.bg-wind {
  background: linear-gradient(135deg, #eceff1 0%, #cfd8dc 100%);
  color: var(--wind-color);
}
.bg-rain {
  background: linear-gradient(135deg, #e8eaf6 0%, #c5cae9 100%);
  color: var(--rain-color);
}

/* ========== INFO SECTION ========== */
.info-section {
  background: var(--prieto-green-light);
  padding: 2rem;
  border-radius: 1.5rem;
  box-shadow: 0 2px 15px rgba(0,0,0,0.06);
  border: 1px solid rgba(0,0,0,0.05);
}

/* ========== BUTTONS ========== */
.btn-prieto {
  background: var(--prieto-green) !important;
  color: white !important;
  border: none;
  border-color: var(--prieto-green) !important;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-prieto:hover {
  background: var(--prieto-green-dark) !important;
  border-color: var(--prieto-green-dark) !important;
  color: white !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(140, 198, 63, 0.4);
}

.btn-outline-prieto {
  background: transparent !important;
  color: var(--prieto-green-dark) !important;
  border: 2px solid var(--prieto-green) !important;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  font-weight: 600;
  transition: all 0.3s ease;
}

.btn-outline-prieto:hover {
  background: var(--prieto-green) !important;
  color: white !important;
}

.badge.bg-prieto {
  background-color: var(--prieto-green) !important;
}

/* ========== QUICK LINKS ========== */
.quick-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  background: #fff;
  border-radius: 1rem;
  text-decoration: none;
  color: inherit;
  border: 2px solid #eee;
  transition: all 0.3s ease;
  font-weight: 600;
}

.quick-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.quick-link i {
  font-size: 1.5rem;
}

.quick-link-temp { border-color: #ffccbc; }
.quick-link-temp:hover { background: #fff3e0; color: var(--temp-color); }
.quick-link-temp i { color: var(--temp-color); }

.quick-link-hum { border-color: #b3e5fc; }
.quick-link-hum:hover { background: #e1f5fe; color: var(--hum-color); }
.quick-link-hum i { color: var(--hum-color); }

.quick-link-press { border-color: #e1bee7; }
.quick-link-press:hover { background: #f3e5f5; color: var(--press-color); }
.quick-link-press i { color: var(--press-color); }

.quick-link-wind { border-color: #cfd8dc; }
.quick-link-wind:hover { background: #eceff1; color: var(--wind-color); }
.quick-link-wind i { color: var(--wind-color); }

.quick-link-rain { border-color: #c5cae9; }
.quick-link-rain:hover { background: #e8eaf6; color: var(--rain-color); }
.quick-link-rain i { color: var(--rain-color); }

/* ========== FILTER CARD (Measurement pages) ========== */
.filter-card {
  background: #fff;
  padding: 1.5rem 2rem;
  border-radius: 1rem;
  border-left: 4px solid var(--prieto-green);
  box-shadow: 0 2px 15px rgba(0,0,0,0.06);
}

.filter-card .form-control {
  border: 2px solid #e0e0e0;
  border-radius: 0.75rem;
}

.filter-card .form-control:focus {
  border-color: var(--prieto-green);
  box-shadow: 0 0 0 0.2rem rgba(140, 198, 63, 0.25);
}

/* ========== CHART CONTAINER ========== */
.chart-container {
  background: white;
  padding: 2rem;
  border-radius: 1.5rem;
  box-shadow: 0 2px 15px rgba(0,0,0,0.06);
  border: 1px solid rgba(0,0,0,0.05);
}

/* ========== CYCLE CARDS (About page) ========== */
.cycle-card {
  background: #fff;
  padding: 2rem;
  border-radius: 1.5rem;
  text-align: center;
  box-shadow: 0 2px 15px rgba(0,0,0,0.06);
  border: 1px solid rgba(0,0,0,0.05);
  border-top: 3px solid var(--prieto-green);
  height: 100%;
  transition: all 0.3s ease;
}

.cycle-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.cycle-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin: 0 auto 1rem;
  color: white;
}

.bg-electronics { background: linear-gradient(135deg, #42a5f5, #1976d2); }
.bg-automotive { background: linear-gradient(135deg, #ff7043, #e64a19); }
.bg-science { background: linear-gradient(135deg, #ab47bc, #7b1fa2); }
.bg-daw { background: linear-gradient(135deg, #66bb6a, #43a047); }

/* ========== TEAM CARDS ========== */
.team-card {
  background: #fff;
  padding: 2rem;
  border-radius: 1.5rem;
  text-align: center;
  box-shadow: 0 2px 15px rgba(0,0,0,0.06);
  border: 1px solid rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.team-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 1rem;
  border: 4px solid var(--prieto-green-light);
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ========== YEAR BADGE (Project page) ========== */
.year-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--prieto-green) 0%, var(--prieto-green-dark) 100%);
  color: #fff;
  padding: 1.5rem 2.5rem;
  border-radius: 1.5rem;
  font-weight: bold;
}

.year-badge .year {
  font-size: 2.5rem;
  font-weight: 800;
}

.year-badge .separator {
  font-size: 2rem;
}

/* ========== LEGACY CARD STYLES (compatibility) ========== */
.card {
  padding: 1rem;
  border-radius: 18px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.card i {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.card .value {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
}

.card .label {
  font-size: 0.8rem;
  text-transform: uppercase;
  font-weight: 600;
  opacity: 0.7;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .hero-section {
    padding: 1.5rem 0;
    border-radius: 0 0 1rem 1rem;
  }
  
  .info-section {
    padding: 1.5rem;
  }
  
  .metric-value {
    font-size: 1.25rem;
  }
  
  .filter-card {
    padding: 1rem;
  }
  
  .chart-container {
    padding: 1rem;
  }
}