*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --primary: var(--text);
  --secondary: var(--sub);
  --theme: var(--bg);
  --entry: var(--surface);
  --card-bg: var(--surface);
  --base1: var(--border);
  --cyan: #0ea5a8;
  --green: #2f855a;
  --yellow: #b7791f;
  --red: #c53030;
}

/* Force light theme on toolbox pages */
body.dark {
  --bg: #ffffff;
  --surface: #f9fafb;
  --text: #222;
  --sub: #6b7280;
  --border: #e5e7eb;
  --accent: #3b82f6;
  --shadow: rgba(0, 0, 0, 0.15);
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: "DM Sans", sans-serif;
  overflow-x: hidden;
}

.back-link {
  top: 18px;
  left: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
}

.hero {
  max-width: var(--toolbox-hero-max, 760px);
  margin: 0 auto 40px auto;
  padding: var(--toolbox-hero-padding, 96px 24px 40px);
  text-align: center;
  border: 1px solid var(--base1);
  border-radius: 14px;
}

.hero-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(59, 130, 246, 0.12);
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.hero h1,
.hero-title {
  font-family: "DM Serif Display", serif;
  font-size: clamp(2rem, 5vw, 3rem);
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.15;
}

.hero h1 em,
.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero p,
.hero-sub {
  color: var(--secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  max-width: 520px;
  margin: 0 auto;
}

.page-content {
  flex: 1;
  max-width: var(--toolbox-content-max, 760px);
  margin: 0 auto;
  padding: var(--toolbox-content-padding, 0 24px 80px);
  width: 100%;
}

.card {
  background: var(--card-bg);
  border: 2px solid var(--base1);
  border-radius: 12px;
  padding: 28px;
  margin-bottom: 20px;
}

.btn {
  padding: 10px 22px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  font-family: inherit;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

footer {
  margin-top: auto;
  border-top: 1px solid var(--base1);
  text-align: center;
}

@media (max-width: 600px) {
  .hero {
    padding: var(--toolbox-hero-padding-mobile, 88px 20px 32px);
  }

  .page-content {
    padding: var(--toolbox-content-padding-mobile, 0 16px 60px);
  }

  .card {
    padding: 20px;
  }

  .btn {
    width: 100%;
    text-align: center;
  }

  .back-link {
    top: 12px;
    left: 12px;
    font-size: 0.78rem;
    padding: 6px 10px;
  }
}

@media (max-width: 420px) {
  .page-content {
    padding-left: 12px;
    padding-right: 12px;
  }

  .hero {
    border-radius: 10px;
  }

  .card {
    border-radius: 10px;
  }
}