/* =========================
   Paleta Mercado Livre
========================= */
:root {
  --ml-yellow: #fff159;
  --ml-yellow-dark: #ffe600;
  --ml-blue: #3483fa;
  --ml-blue-dark: #2968c8;
  --ml-bg: #f5f5f5;
  --ml-text: #333;
  --ml-muted: #666;
  --ml-border: #ddd;

  /* Header theme variables (fallbacks) */
  --header-bg: #222;
  --header-text: #fff;
  --link-color: var(--ml-text);
  --text-color: var(--ml-text);
}

/* =========================
   Reset & Base
========================= */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: Arial, sans-serif;
  background: var(--ml-bg);
  color: var(--ml-text);
  line-height: 1.5;
}

/* =========================
   Header & Navigation
========================= */
.ml-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  background: var(--ml-yellow);
  padding: 12px 20px;
  border-bottom: 4px solid #0078d7;
}

.ml-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.ml-header-left,
.ml-header-right {
  flex: 1;
}

.ml-header-center {
  flex: 1;
  display: flex;
  justify-content: center;
}

.ml-logo {
  font-weight: bold;
  font-size: 22px;
  color: var(--ml-text);
  text-decoration: none;
  margin-right: 20px;
}

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

.ml-nav-list {
  list-style: none;
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 0;
}

.ml-link {
  text-decoration: none;
  font-weight: 600;
  color: var(--link-color);
  transition: color 0.3s ease;
}
.ml-link:hover { color: var(--ml-blue); }

.ml-user-menu {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 10px 20px;
}
.ml-user { font-weight: 600; color: var(--text-color); margin-left: 0.5rem; }

.ml-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--text-color);
}

.ml-theme-toggle {
  background: none;
  border: 2px solid #0078d7;
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 1rem;
  cursor: pointer;
  color: #0078d7;
  margin-left: 16px;
}

/* =========================
   Banner
========================= */
.ml-banner {
  background: linear-gradient(90deg, var(--ml-yellow) 0%, var(--ml-yellow-dark) 100%);
  padding: 60px 20px;
  text-align: center;
}

.ml-banner-content h1 {
  font-size: 32px;
  margin-bottom: 12px;
  color: var(--ml-text);
}
.ml-banner-content p {
  font-size: 18px;
  margin-bottom: 20px;
  color: var(--ml-muted);
}

/* =========================
   Containers & Titles
========================= */
.ml-container {
  max-width: 1100px;
  margin: 30px auto;
  padding: 20px;
  background: #fff;
  border-radius: 8px;
}

.ml-title {
  font-size: 24px;
  margin-bottom: 20px;
  text-align: center;
}

/* =========================
   Cards & Grid
========================= */
.ml-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.ml-card {
  background: #fff;
  border: 1px solid var(--ml-border);
  border-radius: 6px;
  padding: 16px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.ml-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

.ml-card-title { font-size: 18px; margin-bottom: 8px; }
.ml-card-desc { font-size: 14px; color: var(--ml-muted); margin-bottom: 12px; }

.ml-card.safety {
  background-color: #fff4e5;
  border-left: 6px solid #f57c00;
}
.ml-card.safety h3 { color: #d84315; }
.ml-card.safety .ml-btn { background-color: #f57c00; color: #fff; }
.ml-card.safety .ml-btn:hover { background-color: #e65100; }

/* =========================
   Buttons
========================= */
.ml-btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.2s ease, opacity 0.2s ease;
  background: var(--ml-yellow);
  color: var(--ml-text);
}
.ml-btn:hover { opacity: 0.95; }

.ml-btn.primary { background: var(--ml-blue); color: #fff; }
.ml-btn.primary:hover { background: var(--ml-blue-dark); }

.ml-btn.danger { background-color: #e74c3c; color: #fff; border: none; padding: 6px 10px; border-radius: 4px; cursor: pointer; }

/* =========================
   Actions
========================= */
.ml-actions { margin-top: 20px; text-align: center; }
.ml-actions .ml-btn { margin: 5px; }
.fade-out { opacity: 0; transition: opacity 0.3s ease-out; }

/* =========================
   Tables
========================= */
.ml-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}
.ml-table th, .ml-table td {
  border: 1px solid var(--ml-border);
  padding: 10px;
  text-align: center;
}
.ml-table th { background: var(--ml-yellow); color: var(--ml-text); }
.ml-table tr:nth-child(even) { background: #f9f9f9; }
.ml-table tr:hover { background: #f1f1f1; }
.ml-table td strong { color: #2e7d32; }

/* Podium styles */
.podium { font-weight: bold; font-size: 1.1em; }
.gold { background: #ffd70033; }
.silver { background: #c0c0c033; }
.bronze { background: #cd7f3233; }

/* =========================
   Login & Register Forms
========================= */
.ml-form-container {
  max-width: 400px;
  margin: 40px auto;
  padding: 30px;
  background: #fff;
  border: 1px solid var(--ml-border);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.ml-form-container h2 {
  text-align: center;
  margin-bottom: 20px;
  font-size: 22px;
  color: var(--ml-text);
}

.ml-form-group { margin-bottom: 15px; }
.ml-form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: bold;
  color: var(--ml-muted);
}
.ml-form-group input {
  width: 100%;
  padding: 10px;
  border: 1px solid var(--ml-border);
  border-radius: 6px;
  font-size: 14px;
}
.ml-form-group input:focus {
  border-color: var(--ml-blue);
  outline: none;
}

.ml-form-actions { text-align: center; margin-top: 20px; }
.ml-form-actions .ml-btn { width: 100%; }

.ml-form-footer { text-align: center; margin-top: 15px; font-size: 14px; }
.ml-form-footer a { color: var(--ml-blue); text-decoration: none; }
.ml-form-footer a:hover { text-decoration: underline; }

.ml-error-box {
  background: #ffe0e0;
  border-left: 4px solid red;
  padding: 10px;
  margin-bottom: 20px;
  border-radius: 6px;
  color: #b00020;
  font-weight: bold;
  text-align: center;
}

.ml-form-inline {
  display: flex;
  gap: 10px;
  align-items: center;
}
.ml-form-inline input[type="text"] {
  flex: 1;
  padding: 8px;
  font-size: 14px;
}

/* Auth container wrapper */
.ml-auth-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 2rem;
  background-color: #f9f9f9;
}
.ml-auth-container .ml-title { margin-bottom: 1rem; }

/* =========================
   Footer
========================= */
.ml-footer {
  text-align: center;
  padding: 15px;
  background: #f0f0f0;
  margin-top: 30px;
  font-size: 14px;
  color: var(--ml-muted);
  border-top: 3px solid #0078d7;
}
.ml-footer-inner { max-width: 1000px; margin: 0 auto; font-size: 0.9rem; }

/* =========================
   Quiz blocks
========================= */
.ml-quiz-container {
  max-width: 600px;
  margin: 4rem auto;
  padding: 2rem;
  background-color: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.ml-quiz-form { display: flex; flex-direction: column; gap: 1.5rem; }
.ml-quiz-question p { font-size: 1.2rem; margin: 0; }
.ml-quiz-options { display: flex; flex-direction: column; gap: 0.75rem; }
.ml-quiz-option { display: flex; align-items: center; gap: 0.5rem; font-size: 1rem; }
.ml-quiz-option input[type="radio"] { accent-color: #007bff; }
.ml-quiz-actions { text-align: right; }
.ml-info { text-align: center; font-style: italic; color: #666; }

/* General quiz container */
.quiz-container {
  max-width: 800px;
  margin: 4rem auto;
  padding: 2rem;
  background-color: #fff;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}
.quiz-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
  color: #333;
}
.quiz-question {
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  background-color: #f9f9f9;
}
.quiz-question legend {
  font-weight: bold;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}
.quiz-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0.5rem 0;
  font-size: 1rem;
  cursor: pointer;
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
  transition: background 0.2s;
}
.quiz-option:hover { background-color: #eef2ff; }
.quiz-actions { text-align: center; margin-top: 2rem; }
.quiz-btn {
  background-color: #007bff;
  color: #fff;
  font-size: 1rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.3s;
}
.quiz-btn:hover { background-color: #0056b3; }
.quiz-result {
  margin-top: 2rem;
  text-align: center;
  font-size: 1.2rem;
  font-weight: bold;
  color: #333;
}

/* Correção visual */
.correct {
  background-color: #d4edda !important;
  border-left: 4px solid #28a745;
}
.wrong {
  background-color: #f8d7da !important;
  border-left: 4px solid #dc3545;
}

/* Questões (versão ML) */
.ml-question {
  font-size: 16px;
  margin-bottom: 20px;
  padding: 10px;
  border: 1px solid var(--ml-border);
  border-radius: 6px;
  background: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.ml-question:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08); }
.ml-option { display: block; margin-bottom: 8px; font-size: 14px; }

/* Alternativas corretas e incorretas (ML) */
.ml-option.correct {
  background-color: #e8f5e9;
  border-left: 4px solid #4caf50;
  padding: 8px;
  border-radius: 4px;
  font-weight: bold;
  color: #2e7d32;
}
.ml-option.wrong {
  background-color: #ffebee;
  border-left: 4px solid #f44336;
  padding: 8px;
  border-radius: 4px;
  font-weight: bold;
  color: #c62828;
}

/* Escrita do quiz */
.quiz-written-section {
  margin-top: 40px;
  padding: 20px;
  background-color: #f9f9f9;
  border: 1px solid #ddd;
  border-radius: 8px;
}
.quiz-subtitle { font-size: 1.2em; font-weight: bold; margin-bottom: 20px; color: #333; }
.quiz-written { margin-bottom: 25px; }
.quiz-written label { display: block; margin-bottom: 8px; font-weight: 500; color: #222; }
.quiz-written textarea {
  width: 100%;
  padding: 12px;
  font-size: 1em;
  border: 1px solid #ccc;
  border-radius: 6px;
  resize: vertical;
  background-color: #fff;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}
.quiz-written textarea:focus {
  border-color: #0077cc;
  outline: none;
  box-shadow: 0 0 0 2px rgba(0, 119, 204, 0.2);
}

/* Tabela corrigida (avaliações) */
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  background-color: #f9fcff;
  border: 2px solid #0077cc;
}
th, td {
  padding: 12px;
  border: 1px solid #ccc;
  vertical-align: top;
  text-align: left;
}
th { background-color: #e6f2ff; color: #003366; }
td.correta { background-color: #e0ffe0; color: green; font-weight: bold; }
td.parcial { background-color: #fff8dc; color: orange; font-weight: bold; }
td.incorreta { background-color: #ffe0e0; color: red; font-weight: bold; }

/* Painel filtros */
.painel-filtros {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  align-items: center;
  flex-wrap: wrap;
}
.painel-filtros label { font-weight: bold; }
.painel-filtros input, .painel-filtros select {
  padding: 6px 10px;
  border-radius: 4px;
  border: 1px solid #ccc;
}

/* Efeitos em linhas */
tr { transition: all 0.3s ease; }
tr.oculto {
  opacity: 0;
  transform: scaleY(0);
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

/* =========================
   Responsividade
========================= */
@media (max-width: 1024px) {
  .ml-container { margin: 20px; padding: 15px; }
  .ml-title { font-size: 22px; }
  .ml-banner-content h1 { font-size: 28px; }
  .ml-banner-content p { font-size: 16px; }
  .ml-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
  .ml-form-container { margin: 20px auto; padding: 20px; }
}

@media (max-width: 768px) {
  .ml-header { flex-direction: column; align-items: flex-start; gap: 10px; }
  .ml-logo { font-size: 20px; }
  .ml-banner { padding: 40px 15px; }
  .ml-banner-content h1 { font-size: 24px; }
  .ml-banner-content p { font-size: 15px; }
  .ml-btn, .ml-form-actions .ml-btn { width: 100%; text-align: center; }
  .ml-form-inline { flex-direction: column; align-items: stretch; }
  .ml-form-inline input[type="text"] { width: 100%; }
  .ml-table th, .ml-table td { font-size: 13px; padding: 8px; }

  /* Quiz mobile */
  .ml-question { font-size: 15px; padding: 10px; }
  .ml-option { font-size: 14px; padding: 6px; }
  .ml-option.correct, .ml-option.wrong { font-size: 14px; padding: 8px; }
  .ml-actions { flex-direction: column; gap: 10px; }
}

@media (max-width: 600px) {
  .ml-nav { display: none; flex-direction: column; width: 100%; margin-top: 12px; }
  .ml-nav.show { display: flex; }
  .ml-menu-toggle { display: block; }
}

@media (max-width: 480px) {
  .ml-title { font-size: 20px; }
  .ml-banner-content h1 { font-size: 20px; }
  .ml-banner-content p { font-size: 14px; }
  .ml-card-title { font-size: 16px; }
  .ml-card-desc { font-size: 13px; }
  .ml-option { font-size: 13px; }
  .ml-btn { font-size: 14px; padding: 8px 16px; }
  .ml-form-container { padding: 15px; }
  .ml-form-container h2 { font-size: 20px; }
  .ml-form-group input { font-size: 13px; padding: 8px; }
  .ml-footer { font-size: 13px; padding: 10px; }
}

/* =========================
   Dark mode (auto + manual)
========================= */
/* Sistema: prefers-color-scheme */
@media (prefers-color-scheme: dark) {
  body { background: #121212; color: #e0e0e0; }

  .ml-container,
  .ml-form-container,
  .ml-card,
  .ml-question,
  .result-box {
    background: #1e1e1e;
    border-color: #333;
  }

  .ml-title,
  .ml-card-title,
  .ml-card-desc,
  .ml-form-group label,
  .ml-form-footer,
  .ml-footer { color: #e0e0e0; }

  .ml-option { color: #ccc; }

  .ml-btn { background: var(--ml-blue-dark); color: #fff; }
  .ml-btn.primary { background: var(--ml-yellow-dark); color: #000; }
  .ml-btn:hover { opacity: 0.9; }

  .ml-table th { background: #333; color: #fff; }
  .ml-table tr:nth-child(even) { background: #1a1a1a; }
  .ml-table tr:hover { background: #2a2a2a; }

  .ml-header { background: #222; }
  .ml-logo, .ml-menu .ml-link { color: #fff; }
  .ml-menu .ml-link:hover { color: var(--ml-yellow); }

  .ml-banner { background: linear-gradient(90deg, #333 0%, #222 100%); }
  .ml-banner-content h1, .ml-banner-content p { color: #eee; }

  .ml-card.safety { background-color: #3e2e1f; border-left-color: #ff9800; }
  .ml-card.safety h3 { color: #ffb74d; }
  .ml-card.safety .ml-btn { background-color: #ff9800; color: #000; }
  .ml-card.safety .ml-btn:hover { background-color: #fb8c00; }

  .ml-error-box { background: #4d1c1c; color: #ffb3b3; border-left-color: #ff4d4d; }
}

/* Manual: classe dark-mode */
body.dark-mode {
  background: #121212;
  color: #e0e0e0;
}
body.dark-mode .ml-container,
body.dark-mode .ml-form-container,
body.dark-mode .ml-card,
body.dark-mode .ml-question,
body.dark-mode .result-box {
  background: #1e1e1e;
  border-color: #333;
}
body.dark-mode .ml-title,
body.dark-mode .ml-card-title,
body.dark-mode .ml-card-desc,
body.dark-mode .ml-form-group label,
body.dark-mode .ml-form-footer,
body.dark-mode .ml-footer { color: #e0e0e0; }
body.dark-mode .ml-option { color: #ccc; }
body.dark-mode .ml-btn { background: var(--ml-blue-dark); color: #fff; }
body.dark-mode .ml-btn.primary { background: var(--ml-yellow-dark); color: #000; }
body.dark-mode .ml-table th { background: #333; color: #fff; }
body.dark-mode .ml-table tr:nth-child(even) { background: #1a1a1a; }
body.dark-mode .ml-table tr:hover { background: #2a2a2a; }
body.dark-mode .ml-header { background: #222; }
body.dark-mode .ml-logo,
body.dark-mode .ml-menu .ml-link { color: #fff; }
body.dark-mode .ml-menu .ml-link:hover { color: var(--ml-yellow); }

.ml-header {
  background: linear-gradient(90deg, var(--ml-yellow) 0%, var(--ml-yellow-dark) 100%);
  padding: 14px 24px;
  border-bottom: 3px solid var(--ml-blue);
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.ml-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.ml-logo {
  font-size: 1.6rem;
  font-weight: bold;
  color: var(--ml-text);
  text-decoration: none;
  transition: transform 0.2s ease;
}
.ml-logo:hover { transform: scale(1.05); }

.ml-nav {
  display: flex;
  gap: 20px;
  align-items: center;
}
.ml-link {
  text-decoration: none;
  font-weight: 600;
  color: var(--ml-text);
  padding: 6px 10px;
  border-radius: 4px;
  transition: background 0.2s, color 0.2s;
}
.ml-link:hover {
  background: var(--ml-blue);
  color: #fff;
}

.ml-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.ml-user {
  font-weight: 600;
  color: var(--ml-text);
}

.ml-theme-toggle,
.ml-menu-toggle {
  background: none;
  border: 2px solid var(--ml-blue);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 1rem;
  cursor: pointer;
  color: var(--ml-blue);
  transition: background 0.2s, color 0.2s;
}
.ml-theme-toggle:hover,
.ml-menu-toggle:hover {
  background: var(--ml-blue);
  color: #fff;
}

/* Responsivo */
@media (max-width: 768px) {
  .ml-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    margin-top: 12px;
    background: #fff;
    border-radius: 6px;
    padding: 10px;
  }
  .ml-nav.show { display: flex; }
  .ml-menu-toggle { display: block; }
}
/* Menu base */
.menu-container {
  position: relative;
  display: inline-block;
}

.menu-btn {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
}

/* Menu suspenso com animação */
.menu-opcoes {
  display: block;
  position: absolute;
  right: 0;
  background: #fff;
  border: 1px solid #ddd;
  padding: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  z-index: 10;
  min-width: 180px;

  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.menu-opcoes form {
  margin: 4px 0;
}

.menu-container.show .menu-opcoes {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Cores dos botões */
.ml-btn.danger {
  background-color: #e74c3c;
  color: #fff;
}

.ml-btn.info {
  background-color: #3498db;
  color: #fff;
}

.ml-btn.success {
  background-color: #2ecc71;
  color: #fff;
}

/* Responsividade */
@media (max-width: 600px) {
  .ml-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .menu-opcoes {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 260px;
    width: 80%;
    border-radius: 8px;
    padding: 16px;
  }

  .menu-opcoes form {
    margin: 10px 0;
  }

  .menu-opcoes::before {
    content: "⚙️ Ações do usuário";
    display: block;
    font-weight: bold;
    margin-bottom: 10px;
    text-align: center;
  }
}.menu-container {
  position: relative;
  display: inline-block;
}

.menu-btn {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
}

.menu-opcoes {
  display: block;
  position: absolute;
  right: 0;
  background: #fff;
  border: 1px solid #ddd;
  padding: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  z-index: 10;
  min-width: 180px;

  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.menu-opcoes form {
  margin: 4px 0;
}

.menu-container.show .menu-opcoes {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Cores dos botões */
.ml-btn.danger {
  background-color: #e74c3c;
  color: #fff;
}

.ml-btn.info {
  background-color: #3498db;
  color: #fff;
}

.ml-btn.success {
  background-color: #2ecc71;
  color: #fff;
}

/* Responsivo */
@media (max-width: 600px) {
  .ml-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .menu-opcoes {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 260px;
    width: 80%;
    border-radius: 8px;
    padding: 16px;
  }

  .menu-opcoes::before {
    content: "⚙️ Ações do usuário";
    display: block;
    font-weight: bold;
    margin-bottom: 10px;
    text-align: center;
  }

  .menu-opcoes form {
    margin: 10px 0;
  }
}
.menu-divider {
  border: none;
  border-top: 1px solid #ddd;
  margin: 8px 0;
}
/* =========================
   Ranking Layout
========================= */
.ranking-container {
  max-width: 800px;
  margin: 40px auto;
  padding: 20px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.ranking-title {
  text-align: center;
  font-size: 28px;
  margin-bottom: 20px;
  color: var(--ml-blue-dark);
}

.ranking-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}

.ranking-table th,
.ranking-table td {
  padding: 12px;
  border: 1px solid var(--ml-border);
  text-align: center;
}

.ranking-table th {
  background: var(--ml-yellow);
  color: var(--ml-text);
  font-size: 16px;
}

.ranking-table tr:nth-child(even) {
  background: #f9f9f9;
}

.ranking-table tr:hover {
  background: #eef6ff;
}

/* Destaque para top 3 */
.ranking-table tr.gold td {
  background: #fff8dc;
  font-weight: bold;
  color: #b8860b;
}
.ranking-table tr.silver td {
  background: #f0f0f0;
  font-weight: bold;
  color: #555;
}
.ranking-table tr.bronze td {
  background: #fff0e0;
  font-weight: bold;
  color: #8b4513;
}
/* Página de erro */
.error-icon {
  font-size: 4rem;
  color: #e74c3c;
  margin-bottom: 20px;
}

.error-title {
  color: #e74c3c;
  font-size: 2rem;
  margin-bottom: 15px;
}

.error-message {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: var(--ml-muted);
}
.ml-alert {
  background: #ffeeba;
  color: #856404;
  padding: 12px 16px;
  border: 1px solid #ffeeba;
  border-radius: 4px;
  margin: 15px;
  font-size: 14px;
  font-weight: 500;
  display: flex;
  justify-content: space-between;
  align-items: center;
  animation: fadeIn 0.4s ease-in;
}

.ml-alert-close {
  background: none;
  border: none;
  font-size: 20px;
  color: #856404;
  cursor: pointer;
  padding: 0 8px;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}