/* ============================================
   GUIA DO MELIPONICULTOR INICIANTE
   Estilos CSS - HTML/CSS/JavaScript Puro
   ============================================ */

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

:root {
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-secondary: #10b981;
  --color-accent: #f59e0b;
  --color-danger: #ef4444;
  --color-bg: #f8fafc;
  --color-bg-dark: #1e293b;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-border: #e2e8f0;
  --color-white: #ffffff;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --radius: 0.5rem;
  --radius-lg: 0.75rem;
  --transition: all 0.3s ease;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 16px;
}

/* ============================================
   HEADER E NAVEGAÇÃO
   ============================================ */

header {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo {
  font-size: 1.25rem;
  font-weight: bold;
  color: var(--color-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text);
  padding: var(--spacing-xs);
  transition: var(--transition);
}

.menu-toggle:hover {
  color: var(--color-primary);
}

.menu-toggle.active {
  color: var(--color-primary);
}

nav {
  display: flex;
  align-items: center;
}

nav ul {
  list-style: none;
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: nowrap;
}

nav a {
  color: var(--color-text);
  text-decoration: none;
  padding: var(--spacing-xs) var(--spacing-xs);
  border-radius: var(--radius);
  transition: var(--transition);
  font-weight: 500;
  white-space: nowrap;
  font-size: 0.95rem;
}

nav a:hover,
nav a.active {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Menu Hamburguer - Mobile */
@media (max-width: 768px) {
  .header-container {
    padding: var(--spacing-md);
  }

  .logo {
    font-size: 1.1rem;
  }

  nav a {
    font-size: 0.9rem;
    padding: var(--spacing-xs) var(--spacing-xs);
  }

  .menu-toggle {
    display: block;
  }

  nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  nav.active {
    max-height: 500px;
  }

  nav ul {
    flex-direction: column;
    gap: 0;
    padding: var(--spacing-md) 0;
  }

  nav li {
    border-bottom: 1px solid var(--color-border);
  }

  nav li:last-child {
    border-bottom: none;
  }

  nav a {
    display: block;
    padding: var(--spacing-md);
    margin: 0;
    border-radius: 0;
    width: 100%;
    text-align: left;
  }

  nav a:hover,
  nav a.active {
    background-color: #f0f9ff;
    color: var(--color-primary);
  }
}

/* ============================================
   MAIN CONTENT
   ============================================ */

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
  min-height: calc(100vh - 200px);
}

section {
  margin-bottom: var(--spacing-xl);
}

h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
}

h2 {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text);
  border-bottom: 3px solid var(--color-primary);
  padding-bottom: var(--spacing-sm);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

h4 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--color-text-light);
  line-height: 1.8;
}

/* ============================================
   CARDS E CONTAINERS
   ============================================ */

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-header {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.card-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.card-icon.blue {
  background-color: #dbeafe;
  color: var(--color-primary);
}

.card-icon.green {
  background-color: #dcfce7;
  color: var(--color-secondary);
}

.card-icon.amber {
  background-color: #fef3c7;
  color: var(--color-accent);
}

.card-icon.purple {
  background-color: #ede9fe;
  color: #a855f7;
}

.card-icon.red {
  background-color: #fee2e2;
  color: var(--color-danger);
}

.card-title {
  font-size: 1.25rem;
  font-weight: bold;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.card-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ============================================
   GRID LAYOUT
   ============================================ */

.grid {
  display: grid;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-sidebar {
  grid-template-columns: 1fr 300px;
  gap: var(--spacing-xl);
}

@media (max-width: 768px) {
  .grid-sidebar {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   BUTTONS
   ============================================ */

button,
.btn {
  padding: var(--spacing-xs) var(--spacing-md);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
}

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

.btn-secondary:hover {
  background-color: #059669;
}

.btn-outline {
  background-color: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text);
}

.btn-ghost:hover {
  background-color: var(--color-bg);
}

/* ============================================
   ALERTS E BOXES
   ============================================ */

.alert {
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid;
}

.alert-info {
  background-color: #dbeafe;
  border-color: var(--color-primary);
  color: #1e40af;
}

.alert-success {
  background-color: #dcfce7;
  border-color: var(--color-secondary);
  color: #166534;
}

.alert-warning {
  background-color: #fef3c7;
  border-color: var(--color-accent);
  color: #92400e;
}

.alert-danger {
  background-color: #fee2e2;
  border-color: var(--color-danger);
  color: #991b1b;
}

.highlight-box {
  background-color: #f0f9ff;
  border: 1px solid #bfdbfe;
  padding: var(--spacing-md);
  border-radius: var(--radius-lg);
  margin: var(--spacing-md) 0;
}

.highlight-box.green {
  background-color: #f0fdf4;
  border-color: #bbf7d0;
}

.highlight-box.amber {
  background-color: #fffbeb;
  border-color: #fcd34d;
}

.highlight-box.red {
  background-color: #fef2f2;
  border-color: #fecaca;
}

/* ============================================
   LISTAS
   ============================================ */

ul, ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

li {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-light);
}

.list-unstyled {
  list-style: none;
  margin-left: 0;
}

.list-unstyled li {
  padding-left: var(--spacing-md);
  position: relative;
}

.list-unstyled li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-secondary);
  font-weight: bold;
}

/* ============================================
   TABELAS
   ============================================ */

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--spacing-lg);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

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

th {
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 600;
}

td {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

tbody tr:hover {
  background-color: var(--color-bg);
}

/* ============================================
   IMAGENS
   ============================================ */

img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

.img-container {
  margin: var(--spacing-lg) 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.img-container img {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================
   FOOTER
   ============================================ */

footer {
  background-color: var(--color-bg-dark);
  color: var(--color-white);
  text-align: center;
  padding: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

footer p {
  color: #94a3b8;
  margin: 0;
}

/* ============================================
   PÁGINA INICIAL
   ============================================ */

.welcome-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-lg);
}

.welcome-section h2 {
  border-bottom-color: var(--color-white);
  color: var(--color-white);
}

.welcome-section p {
  color: rgba(255, 255, 255, 0.9);
}

.sections-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.section-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
}

.section-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.section-card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.section-card h3 {
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.section-card p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

/* ============================================
   TABS
   ============================================ */

.tabs {
  display: flex;
  gap: var(--spacing-sm);
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.tab {
  padding: var(--spacing-sm) var(--spacing-md);
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text-light);
  border-bottom: 3px solid transparent;
  transition: var(--transition);
  margin-bottom: -2px;
}

.tab:hover {
  color: var(--color-text);
}

.tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* ============================================
   ACCORDION
   ============================================ */

.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--spacing-lg);
}

.accordion-item {
  border-bottom: 1px solid var(--color-border);
}

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

.accordion-header {
  padding: var(--spacing-md);
  background-color: var(--color-white);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  transition: var(--transition);
}

.accordion-header:hover {
  background-color: var(--color-bg);
}

.accordion-header.active {
  background-color: #f0f9ff;
  color: var(--color-primary);
}

.accordion-icon {
  transition: var(--transition);
}

.accordion-header.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  padding: var(--spacing-md);
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.accordion-content.active {
  display: block;
}

/* ============================================
   SIDEBAR
   ============================================ */

.sidebar {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  position: sticky;
  top: 100px;
}

.sidebar h4 {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 2px solid var(--color-primary);
}

.sidebar-item {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

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

.sidebar-item a {
  color: var(--color-text-light);
  text-decoration: none;
  transition: var(--transition);
  display: block;
}

.sidebar-item a:hover {
  color: var(--color-primary);
  padding-left: var(--spacing-xs);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .header-container {
    flex-direction: column;
    align-items: flex-start;
  }

  nav ul {
    width: 100%;
    flex-direction: column;
  }

  nav a {
    display: block;
    padding: var(--spacing-sm);
  }

  main {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .grid-sidebar {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    margin-top: var(--spacing-lg);
  }

  .sections-grid {
    grid-template-columns: 1fr;
  }

  table {
    font-size: 0.875rem;
  }

  th, td {
    padding: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 14px;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .card {
    padding: var(--spacing-md);
  }

  .tabs {
    gap: var(--spacing-xs);
  }

  .tab {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.875rem;
  }
}

/* ============================================
   UTILITÁRIOS
   ============================================ */

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }

.hidden {
  display: none;
}

.visible {
  display: block;
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }

.opacity-50 {
  opacity: 0.5;
}

.opacity-75 {
  opacity: 0.75;
}


/* ============================================
   RESPONSIVIDADE GERAL - MOBILE
   ============================================ */

@media (max-width: 768px) {
  /* Ajustes gerais */
  body {
    font-size: 14px;
  }

  main {
    padding: var(--spacing-md);
  }

  /* Títulos responsivos */
  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  h4 {
    font-size: 1.1rem;
  }

  /* Cards responsivos */
  .card {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
  }

  /* Tabelas responsivas */
  table {
    font-size: 0.9rem;
  }

  table th,
  table td {
    padding: var(--spacing-sm);
  }

  /* Seções responsivas */
  .welcome-section,
  .content-section {
    padding: var(--spacing-md);
  }

  /* Botões responsivos */
  .btn {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.95rem;
    width: 100%;
    margin-bottom: var(--spacing-sm);
  }

  .btn-group {
    flex-direction: column;
  }

  /* Formulários responsivos */
  form {
    width: 100%;
  }

  input,
  textarea,
  select {
    width: 100%;
    font-size: 16px; /* Evita zoom em iOS */
  }

  /* Grids responsivos */
  .grid {
    grid-template-columns: 1fr;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }

  /* Flexbox responsivo */
  .flex-wrap {
    flex-direction: column;
  }

  /* Imagens responsivas */
  img {
    max-width: 100%;
    height: auto;
  }

  /* Tabs responsivos */
  .tabs {
    flex-wrap: wrap;
    gap: var(--spacing-xs);
  }

  .tab {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.9rem;
  }

  /* Accordion responsivo */
  .accordion-header {
    padding: var(--spacing-sm);
    font-size: 0.95rem;
  }

  .accordion-content {
    padding: var(--spacing-sm);
  }

  /* Alerts responsivos */
  .alert {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
  }

  /* Highlight boxes responsivos */
  .highlight-box {
    padding: var(--spacing-md);
  }

  /* Sidebar responsivo */
  .sidebar {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
  }

  .sidebar.active {
    display: block;
  }

  /* Espaçamento responsivo */
  .container {
    padding: var(--spacing-md);
  }

  /* Seções com imagens */
  .section-with-image {
    flex-direction: column;
  }

  .section-with-image img {
    width: 100%;
    margin-bottom: var(--spacing-md);
  }
}

/* Ajustes para telas muito pequenas (< 480px) */
@media (max-width: 480px) {
  body {
    font-size: 13px;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  .logo {
    font-size: 1rem;
  }

  .btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.9rem;
  }

  table {
    font-size: 0.85rem;
  }

  table th,
  table td {
    padding: var(--spacing-xs);
  }

  .card {
    padding: var(--spacing-sm);
  }

  .welcome-section,
  .content-section {
    padding: var(--spacing-sm);
  }

  .tabs {
    gap: 0;
  }

  .tab {
    padding: var(--spacing-xs) var(--spacing-xs);
    font-size: 0.85rem;
  }
}

/* Ajustes para tablets em paisagem (768px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
  main {
    padding: var(--spacing-lg);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  table {
    font-size: 0.95rem;
  }
}