:root {
  --bg-color: #0f172a;
  --app-bg: #1e293b;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-color: #38bdf8;
  --input-bg: #0f172a;
  --input-border: #334155;
  
  --card-azul: linear-gradient(135deg, #1e3a8a, #1d4ed8);
  --card-verde: linear-gradient(135deg, #14532d, #15803d);
  --card-amarelo: linear-gradient(135deg, #713f12, #a16207);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  display: flex;
  justify-content: center;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Container Principal */
.app {
  width: 100%;
  max-width: 1100px;
  min-height: 100vh;
  background-color: var(--app-bg);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.5);
  margin: 0 auto;
}

/* Cabeçalho */
.app-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 40px;
  animation: fadeInDown 0.6s ease-out;
}

.logo-icon {
  width: 94px;
  height: 94px;
  border-radius: 50%;
  object-fit: cover;
  filter: drop-shadow(0 4px 6px rgba(56, 189, 248, 0.4));
  animation: float 3s ease-in-out infinite;
  flex-shrink: 0;
}

.header-titles {
  text-align: left;
}

.header-titles h2 {
  color: var(--text-secondary);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 500;
  margin-bottom: 8px;
}

.header-titles h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

/* Input Area */
.input-group {
  margin-bottom: 32px;
  animation: fadeIn 0.8s ease-out;
}

.input-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 10px;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrapper input {
  width: 100%;
  padding: 16px 48px 16px 20px;
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  background-color: var(--input-bg);
  border: 2px solid var(--input-border);
  border-radius: 16px;
  outline: none;
  transition: all 0.3s ease;
  font-family: 'Inter', sans-serif;
}

.input-wrapper input::placeholder {
  color: #475569;
}

.input-wrapper input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.15);
}

.input-wrapper .unit {
  position: absolute;
  right: 20px;
  font-size: 20px;
  font-weight: 600;
  color: var(--text-secondary);
  pointer-events: none;
}

/* Resultados & Cards */
.results-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.card {
  padding: 20px;
  border-radius: 20px;
  color: #ffffff;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  animation: slideUp 0.4s ease-out backwards;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.3);
}

.card.azul {
  background: var(--card-azul);
}

.card.verde {
  background: var(--card-verde);
}

.card.amarelo {
  background: var(--card-amarelo);
}

.card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.card-content {
  display: flex;
  align-items: center;
  gap: 16px;
}

.texto {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.texto p {
  font-size: 14px;
  font-weight: 400;
  display: flex;
  justify-content: space-between;
  opacity: 0.95;
}

.texto p strong {
  font-weight: 600;
}

.imagem {
  width: 60px;
  height: auto;
  min-height: 60px; /* Ajuda caso a imagem falhe em carregar, mantém formato */
  object-fit: contain;
  filter: drop-shadow(0 4px 6px rgba(0,0,0,0.3));
}

/* Animações */
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

/* Remover spinners do input number */
input[type="number"]::-webkit-inner-spin-button, 
input[type="number"]::-webkit-outer-spin-button { 
  -webkit-appearance: none; 
  margin: 0; 
}
input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

/* Responsividade (Tablet e Desktop) */
@media (min-width: 768px) {
  .app {
    margin: 40px auto;
    min-height: auto;
    border-radius: 24px;
    padding: 40px 48px;
  }

  .results-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (min-width: 1024px) {
  .results-container {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }

  .input-group {
    max-width: 50%;
    margin: 0 auto 40px auto;
  }
}

/* Links Section - Outros Serviços Puaia */
.links-section {
  margin-top: 20px;
  padding-top: 40px;
  border-top: 1px solid var(--input-border);
  animation: slideUp 0.6s ease-out backwards;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 25px;
  text-align: left;
  color: var(--text-primary);
}

.links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.link-card {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--input-border);
  border-radius: 16px;
  padding: 20px 25px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-decoration: none;
  color: var(--text-primary);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.link-card:hover {
  transform: translateY(-4px);
  border-color: rgba(56, 189, 248, 0.5); /* Using var(--accent-color) equivalent */
  background: rgba(30, 41, 59, 0.8);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}

.link-info {
  display: grid;
  grid-template-columns: auto 1fr;
  row-gap: 4px;
  column-gap: 15px;
  text-align: left;
  align-items: center;
}

.link-info .icon {
  grid-row: span 2;
  font-size: 1.8rem;
  background: rgba(255, 255, 255, 0.1);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
}

.link-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color 0.3s ease;
}

.link-card:hover .link-title {
  color: var(--accent-color);
}

.link-url {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.icon-arrow {
  stroke: var(--text-secondary);
  transition: transform 0.3s ease, stroke 0.3s ease;
}

.link-card:hover .icon-arrow {
  transform: translateX(5px);
  stroke: var(--accent-color);
}