/* ============================================
   PORTAL RELEVO - CSS GLOBAL HARMONIZADO
   Versão Otimizada 2025
   ============================================ */

/* ============================================
   VARIÁVEIS CSS (PALETA OFICIAL RELEVO)
   ============================================ */
:root {
  /* Cores Principais */
  --verde-primario: #26C04C;
  --verde-escuro: #396B45;
  --verde-accent: #2D4132;
  --laranja: #EB8807;
  --marrom: #6B5539;
  --roxo: #4E296B;
  
  /* Cores Neutras */
  --bg-claro: #f8f9fa;
  --card-branco: #ffffff;
  --texto-escuro: #444444;
  --texto-cinza: #666666;
  --borda-cinza: #e9ecef;
  --cinza-claro: #f7f7f7;
  
  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 15px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 25px rgba(0,0,0,0.12);
  
  /* Transições */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ============================================
   RESET E BASE
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg-claro);
  color: var(--texto-escuro);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ============================================
   TIPOGRAFIA
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  color: var(--verde-accent);
  margin-bottom: 1rem;
  font-weight: 700;
  line-height: 1.3;
}

h1 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.3rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  line-height: 1.7;
}

a {
  color: var(--verde-primario);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--verde-escuro);
}

/* ============================================
   BOTÕES HARMONIZADOS
   ============================================ */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-normal);
  cursor: pointer;
  text-align: center;
  border: none;
  font-size: 0.95rem;
  font-family: 'Montserrat', sans-serif;
  line-height: 1.5;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Botão Primário (Verde) */
.btn-primary {
  background: var(--verde-primario);
  color: white;
  border: 2px solid var(--verde-primario);
}

.btn-primary:hover:not(:disabled) {
  background: var(--verde-escuro);
  border-color: var(--verde-escuro);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(38, 192, 76, 0.3);
}

/* Botão Secundário (Outline) */
.btn-secondary {
  background: transparent;
  color: var(--verde-primario);
  border: 2px solid var(--verde-primario);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--verde-primario);
  color: white;
  transform: translateY(-2px);
}

/* Botão Claro */
.btn-light {
  background: var(--cinza-claro);
  color: var(--texto-escuro);
  border: 1px solid var(--borda-cinza);
}

.btn-light:hover:not(:disabled) {
  background: #e6e6e6;
  transform: translateY(-1px);
}

/* Botão Laranja */
.btn-orange {
  background: var(--laranja);
  color: white;
  border: 2px solid var(--laranja);
}

.btn-orange:hover:not(:disabled) {
  background: #d97a06;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(235, 136, 7, 0.3);
}

/* Botão de tamanho completo */
.btn-full {
  width: 100%;
  display: block;
}

/* ============================================
   CARDS ELEGANTES
   ============================================ */
.card {
  background: var(--card-branco);
  border-radius: 10px;
  padding: 20px;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  border-left: 4px solid var(--verde-primario);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.card h3 {
  color: var(--verde-accent);
  margin-bottom: 15px;
}

.card p {
  color: var(--texto-cinza);
  font-size: 0.95rem;
}

/* ============================================
   HEADER UNIFICADO
   ============================================ */
.header {
  background: linear-gradient(135deg, var(--verde-primario) 0%, var(--verde-escuro) 100%);
  color: white;
  padding: 15px 0;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.logo {
  height: 45px;
  width: auto;
  transition: transform var(--transition-fast);
}

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

.nav-links {
  display: flex;
  gap: 15px;
  align-items: center;
  flex-wrap: wrap;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 6px;
  transition: background-color var(--transition-fast);
  font-size: 0.95rem;
}

.nav-links a:hover {
  background: rgba(255,255,255,0.15);
}

.logout-btn {
  background: transparent;
  color: white;
  border: 1px solid white;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
  transition: all var(--transition-fast);
  font-family: 'Montserrat', sans-serif;
}

.logout-btn:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-1px);
}

/* ============================================
   HERO SECTIONS
   ============================================ */
.hero {
  text-align: center;
  padding: 50px 20px;
  background: linear-gradient(135deg, var(--verde-primario) 0%, var(--verde-escuro) 100%);
  color: white;
  margin-bottom: 30px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('https://raw.githubusercontent.com/RelevoAmbiental/imagens/main/DSC_0842.JPG');
  background-size: cover;
  background-position: center;
  opacity: 0.1;
  z-index: 0;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero h1 {
  color: white;
  margin-bottom: 15px;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.95;
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   CONTAINERS E GRIDS
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin: 20px 0;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

/* ============================================
   FORMULÁRIOS
   ============================================ */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.6rem;
  font-weight: 600;
  color: var(--verde-accent);
  font-size: 0.95rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.9rem 1.2rem;
  border: 2px solid var(--borda-cinza);
  border-radius: 6px;
  font-size: 1rem;
  background-color: var(--bg-claro);
  transition: all var(--transition-normal);
  font-family: 'Montserrat', sans-serif;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--verde-primario);
  outline: none;
  box-shadow: 0 0 0 3px rgba(38,192,76,0.1);
  background-color: white;
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* ============================================
   TABELAS
   ============================================ */
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-branco);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  font-size: 0.9rem;
}

thead {
  background: var(--verde-primario);
  color: white;
}

th, td {
  padding: 12px 15px;
  text-align: left;
  border-bottom: 1px solid var(--borda-cinza);
}

th {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}

tbody tr:hover {
  background: var(--cinza-claro);
}

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

/* ============================================
   FOOTER UNIFICADO
   ============================================ */
footer {
  background: var(--verde-accent);
  color: white;
  text-align: center;
  padding: 25px 20px;
  margin-top: 40px;
  font-size: 0.9rem;
}

footer strong {
  font-weight: 600;
}

/* ============================================
   UTILITÁRIOS
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

/* ============================================
   ANIMAÇÕES
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in {
  animation: fadeIn 0.5s ease;
}

.slide-in {
  animation: slideIn 0.5s ease;
}

/* ============================================
   LOADING
   ============================================ */
.loading {
  text-align: center;
  padding: 40px 20px;
  color: var(--texto-cinza);
}

.loading-spinner {
  border: 4px solid var(--borda-cinza);
  border-top: 4px solid var(--verde-primario);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ============================================
   RESPONSIVIDADE TABLET (768px)
   ============================================ */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 15px;
    text-align: center;
  }
  
  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
  }
  
  .hero {
    padding: 40px 15px;
  }
  
  .grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  
  .container {
    padding: 0 15px;
  }

  .btn {
    padding: 10px 20px;
    font-size: 0.9rem;
  }

  table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  th, td {
    padding: 10px 12px;
    font-size: 0.85rem;
  }
}

/* ============================================
   RESPONSIVIDADE MOBILE (480px)
   ============================================ */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.6rem;
  }
  
  .card {
    padding: 15px;
  }

  .btn {
    padding: 10px 16px;
    font-size: 0.85rem;
  }

  .logo {
    height: 40px;
  }

  .nav-links a,
  .logout-btn {
    padding: 6px 12px;
    font-size: 0.85rem;
  }

  .form-input,
  .form-select,
  .form-textarea {
    padding: 0.75rem 1rem;
    font-size: 16px; /* Previne zoom no iOS */
  }

  th, td {
    padding: 8px 10px;
    font-size: 0.8rem;
  }
}

/* ============================================
   TELAS GRANDES (1200px+)
   ============================================ */
@media (min-width: 1200px) {
  .container {
    max-width: 1400px;
  }

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============================================
   ACESSIBILIDADE
   ============================================ */
*:focus {
  outline: 2px solid var(--verde-primario);
  outline-offset: 2px;
}

button:focus,
a:focus {
  outline: 2px solid var(--verde-primario);
}

/* Reduzir movimento para usuários com preferência */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================
   IMPRESSÃO
   ============================================ */
@media print {
  .header,
  .nav-links,
  .logout-btn,
  footer {
    display: none;
  }

  body {
    background: white;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}