/* Modern Network Tools Theme - Wiki Sidebar Edition */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* Wiki Palette */
  --tools-bg: #fdfbf7;
  /* Page BG */
  --tools-card-bg: #fffdf9;
  /* Card BG */
  --tools-text: #2c2420;
  /* Main Text */
  --tools-text-muted: #59504a;
  /* Muted Text */

  --tools-primary: #8b4513;
  /* Accent (SaddleBrown) */
  --tools-primary-hover: #5d4037;

  --tools-border: #e0dcd3;
  /* Borders */
  --tools-shadow: 0 4px 6px -1px rgba(139, 69, 19, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.05);

  --sidebar-bg: #f4f1ea;
  /* Sidebar BG */
  --code-bg: #ece8df;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Merriweather', serif;
  /* Wiki Font */
  background-color: var(--tools-bg);
  color: var(--tools-text);
  line-height: 1.8;
  display: flex;
  /* Essential for sidebar layout */
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* --- Sidebar Layout --- */
.docs-layout {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

.docs-sidebar {
  width: 280px;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--tools-border);
  height: 100vh;
  position: sticky;
  top: 0;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  box-shadow: inset -5px 0 10px -5px rgba(0, 0, 0, 0.05);
  flex-shrink: 0;
}

.sidebar-header {
  margin-bottom: 30px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--tools-border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #fffdf9;
  padding: 8px 20px;
  border-radius: 50px;

  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--tools-text);
  text-decoration: none;

  border: 1px solid var(--tools-border);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.03);
  transition: all 0.2s;
}

.brand:hover {
  border-color: var(--tools-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px rgba(139, 69, 19, 0.1);
}

.brand svg {
  fill: var(--tools-primary);
  width: 18px;
  height: 18px;
  margin-top: -2px;
}

/* Glassmorphism Button (Wiki Style) */
.glass-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50px;
  color: var(--tools-text);
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}

.glass-button:hover {
  background: rgba(255, 255, 255, 0.7);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
  color: var(--tools-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}

.glass-button i {
  color: var(--tools-primary);
}

/* Nav Groups */
.nav-group {
  margin-bottom: 30px;
}

.nav-group h3 {
  font-family: 'Playfair Display', serif;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--tools-text-muted);
  margin-bottom: 12px;
  font-weight: 700;
  border-bottom: 1px solid var(--tools-border);
  padding-bottom: 4px;
}

.nav-group a {
  display: block;
  color: var(--tools-text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 8px 0;
  font-family: 'Merriweather', serif;
  transition: all 0.2s ease;
  border-bottom: 1px solid transparent;
  /* Prevent jump on hover */
}

.nav-group a:hover {
  color: var(--tools-primary);
  padding-left: 5px;
  border-bottom-color: rgba(139, 69, 19, 0.2);
}

.nav-group a.active {
  color: var(--tools-primary);
  font-weight: 700;
  font-style: italic;
}

/* --- Main Content --- */
main.tools-main {
  flex: 1;
  padding: 60px 80px;
  max-width: 1000px;
  margin: 0 auto;
}

h1 {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  color: var(--tools-text);
  margin-top: 0;
  margin-bottom: 1rem;
}

h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  color: var(--tools-text);
  margin-top: 0;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--tools-border);
  padding-bottom: 0.5rem;
}

/* Cards */
.tool-card {
  background: var(--tools-card-bg);
  border-radius: 4px;
  box-shadow: var(--tools-shadow);
  padding: 2.5rem;
  border: 1px solid var(--tools-border);
  margin-bottom: 2rem;
}

/* Inputs & Buttons */
label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

input[type="text"],
select {
  width: 100%;
  padding: 0.75rem;
  border-radius: 4px;
  border: 1px solid var(--tools-border);
  background: #fff;
  font-size: 1rem;
  font-family: 'Inter', sans-serif;
  /* Keep Inter for data entry */
  margin-bottom: 1rem;
  box-sizing: border-box;
}

input[type="text"]:focus,
select:focus {
  outline: none;
  border-color: var(--tools-primary);
  box-shadow: 0 0 0 3px rgba(139, 69, 19, 0.1);
}

button.btn-primary {
  background-color: var(--tools-primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  /* Slightly rounded */
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: 'Inter', sans-serif;
}

button.btn-primary:hover {
  background-color: var(--tools-primary-hover);
  transform: translateY(-1px);
}

button.btn-secondary {
  background-color: transparent;
  color: var(--tools-text-muted);
  border: 1px solid var(--tools-border);
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  margin-left: 0.5rem;
  font-family: 'Inter', sans-serif;
}

button.btn-secondary:hover {
  background-color: rgba(139, 69, 19, 0.05);
  color: var(--tools-primary);
  border-color: var(--tools-primary);
}

/* Results */
.result-box {
  background: var(--code-bg);
  border: 1px solid var(--tools-border);
  border-left: 4px solid var(--tools-primary);
  border-radius: 4px;
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.info-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem 2rem;
  font-size: 0.95rem;
}

.info-label {
  font-weight: 600;
  color: var(--tools-text-muted);
}

.info-value {
  color: var(--tools-text);
  font-family: 'Courier Prime', 'Courier New', monospace;
  font-weight: 600;
}

.error-msg {
  color: #b91c1c;
  font-size: 0.9rem;
  margin-top: 0.5rem;
  font-style: italic;
}

/* Responsive */
@media (max-width: 768px) {
  .docs-layout {
    flex-direction: column;
  }

  .docs-sidebar {
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--tools-border);
  }

  main.tools-main {
    padding: 30px 20px;
  }
}