:root {
  --bg-dark: #1a2537;
  --text-main: #afc0de;
  --text-muted: #888;
  --text-topline: #2eb9ff;
  --text-p: #ffffff;
  --accent: #ff3b30;
  --accent-hover: #ff5c52;
  --grid-line: rgba(255, 255, 255, 0.08);
  --font-logo: "Bebas Neue", sans-serif;
  --font-display: "Space Grotesk", sans-serif;
  --font-body: "Inter", sans-serif;
  --font-tech: "JetBrains Mono", monospace;
}

body.tool-page {
  margin: 0;
  background-color: var(--bg-dark);
  color: var(--text-p);
  font-family: var(--font-display);
}

.tool-nav {
  position: sticky;
  top: 0;
  width: 100%;
  padding: 1.2rem 2rem 1.2rem 5vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  color: white;
  background: rgba(26, 37, 55, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-sizing: border-box;
}

.tool-nav-brand {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.tool-nav-logo {
  font-family: var(--font-logo);
  font-size: 2rem;
  letter-spacing: 1px;
  color: white;
  opacity: 0.9;
  text-decoration: none;
}

.tool-nav-label {
  font-family: var(--font-tech);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-topline);
  opacity: 0.8;
}

.tool-nav-meta {
  min-height: 1rem;
}

.tool-shell {
  min-height: calc(100vh - 5.5rem);
  padding: 2rem;
  background:
    radial-gradient(circle at 0% 0%, rgba(46, 185, 255, 0.14), transparent 36%),
    radial-gradient(circle at 100% 100%, rgba(255, 59, 48, 0.14), transparent 40%),
    var(--bg-dark);
  box-sizing: border-box;
}

.tool-content {
  width: min(1240px, 100%);
  margin: 0 auto;
}

@media (max-width: 720px) {
  .tool-nav {
    padding: 1rem 1rem 1rem 1.25rem;
  }

  .tool-nav-brand {
    gap: 0.75rem;
  }

  .tool-nav-logo {
    font-size: 1.65rem;
  }

  .tool-nav-label {
    font-size: 0.64rem;
  }

  .tool-shell {
    padding: 1.25rem 1rem;
  }
}