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

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --success: #16a34a;
  --bg: #f1f5f9;
  --card: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --radius: 8px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ===== NAVBAR ===== */

.navbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.navbar .logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.navbar nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.navbar nav a {
  color: var(--text-light);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s;
}

.navbar nav a:hover {
  color: var(--primary);
  text-decoration: none;
}

.navbar .user-info {
  font-size: 0.85rem;
  color: var(--text);
  font-weight: 600;
}

/* ===== CONTAINER ===== */

.container {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 1rem;
}

/* ===== CARDS ===== */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
  transition: box-shadow 0.2s;
}

.card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.card h2 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.card h2 a {
  color: var(--text);
}

.card h2 a:hover {
  color: var(--primary);
  text-decoration: none;
}

.card .meta {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 0.75rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.card .content {
  color: var(--text);
  font-size: 0.95rem;
}

/* ===== PAGE HEADER ===== */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.page-header h1 {
  font-size: 1.5rem;
}

/* ===== FORMULÁRIOS ===== */

.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  max-width: 480px;
  margin: 3rem auto;
}

.form-card h1 {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* ===== BOTÕES ===== */

.btn {
  display: inline-block;
  padding: 0.6rem 1.25rem;
  border: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  text-align: center;
}

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

.btn-primary:hover {
  background: var(--primary-hover);
  text-decoration: none;
  color: #fff;
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-danger:hover {
  background: var(--danger-hover);
}

.btn-block {
  display: block;
  width: 100%;
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
}

/* ===== ALERTAS ===== */

.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.alert-error {
  background: #fef2f2;
  color: var(--danger);
  border: 1px solid #fecaca;
}

.alert-success {
  background: #f0fdf4;
  color: var(--success);
  border: 1px solid #bbf7d0;
}

/* ===== COMENTÁRIOS ===== */

.comentarios-section {
  margin-top: 2rem;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

.comentarios-section h3 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.comentario {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 0.75rem;
}

.comentario .meta {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 0.4rem;
}

.comentario .content {
  font-size: 0.9rem;
}

/* ===== TABELA ===== */

.table-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.table-card table {
  width: 100%;
  border-collapse: collapse;
}

.table-card th,
.table-card td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

.table-card th {
  background: var(--bg);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-light);
  letter-spacing: 0.03em;
}

.table-card tr:last-child td {
  border-bottom: none;
}

/* ===== EMPTY STATE ===== */

.empty {
  text-align: center;
  color: var(--text-light);
  padding: 3rem 1rem;
  font-size: 0.95rem;
}

/* ===== LINKS AUXILIARES ===== */

.form-footer {
  text-align: center;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-light);
}