:root {
  --instituto-primary: #0a3d62;
  --instituto-primary-2: #1e5f8a;
  --instituto-secondary: #2980b9;
  --instituto-accent: #27ae60;
  --instituto-bg: #f0f4f8;
  --instituto-surface: #ffffff;
  --instituto-text: #2c3e50;
  --instituto-muted: #7f8c8d;
  --instituto-border: #dce6f0;
  --instituto-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --instituto-radius: 16px;
  --instituto-radius-sm: 12px;
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--instituto-bg);
  color: var(--instituto-text);
}

img {
  max-width: 100%;
}

button,
a {
  font-family: inherit;
}

.page-shell {
  max-width: 1200px;
  margin: 0 auto;
}

.page-header {
  background: linear-gradient(135deg, var(--instituto-primary), var(--instituto-primary-2));
  color: #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  padding: 20px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.page-header__title {
  font-size: 22px;
  font-weight: 800;
}

.page-header__subtitle {
  font-size: 13px;
  opacity: 0.8;
  margin-top: 4px;
}

.page-header__actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.page-content {
  padding: 28px 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-content--wide {
  max-width: 1400px;
}

@media (max-width: 900px) {
  .page-header {
    padding: 16px 20px;
  }

  .page-content {
    padding: 20px 16px;
  }
}

.card-panel {
  background: var(--instituto-surface);
  border-radius: var(--instituto-radius);
  box-shadow: var(--instituto-shadow);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 10px;
  border: none;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn--primary {
  background: linear-gradient(135deg, var(--instituto-primary-2), var(--instituto-secondary));
  color: #fff;
}

.btn--success,
.btn-green {
  background: var(--instituto-accent);
  color: #fff;
}

.btn--light,
.btn-white {
  background: #fff;
  color: var(--instituto-primary-2);
}

.btn--outline,
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-white:hover {
  background: #eaf4fb;
}

.btn-outline:hover,
.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-green:hover,
.btn--success:hover {
  background: #219a52;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 700;
}

.badge--info {
  background: #eaf4fb;
  color: var(--instituto-primary-2);
}

.badge--soft {
  background: #f8fafc;
  color: #475569;
}

.helper-text {
  color: var(--instituto-muted);
  line-height: 1.6;
}