/* Base Resets & Layout Rules */
:root {
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --text-dark: #0f172a;
  --text-muted: #475569;
  --accent-color: #2563eb;
  --accent-hover: #1d4ed8;
  --border-color: #e2e8f0;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-dark);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Navbar */
.navbar {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-logo {
  background: var(--text-dark);
  color: #fff;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
}

.nav-links a:hover {
  color: var(--accent-color);
}

/* Hero Section */
.hero-section {
  background: #0f172a;
  color: #ffffff;
  padding: 4rem 1.5rem;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .hero-container {
    grid-template-columns: 2fr 1fr;
    align-items: center;
  }
}

.badge-pill {
  display: inline-block;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.hero-subtitle {
  color: #94a3b8;
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  max-width: 600px;
}

.search-box input {
  width: 100%;
  padding: 1rem 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid #334155;
  background: #1e293b;
  color: #fff;
  font-size: 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.search-box input:focus {
  border-color: var(--accent-color);
}

.stats-card {
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #334155;
  padding-bottom: 0.5rem;
  font-size: 0.9rem;
  color: #94a3b8;
}

.stat-row.highlight {
  border-bottom: none;
  color: #38bdf8;
}

.stat-row strong {
  color: #ffffff;
}

/* Dashboard & Cards */
.main-content {
  max-width: 1200px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-top: 2.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.section-header h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
}

.tool-count {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.tool-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
}

.tool-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.tool-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  flex-grow: 1;
}

/* Individual Tool Page Workspace */
.tool-workspace {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

input[type="text"],
input[type="number"],
input[type="color"],
textarea,
select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
}

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

button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-color);
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  border: none;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s;
}

button:hover, .btn:hover {
  background: var(--accent-hover);
}

.output-box {
  background: #f1f5f9;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-top: 1rem;
  font-family: monospace;
  word-break: break-all;
  white-space: pre-wrap;
}

/* Article / SEO Section */
.seo-article {
  margin-top: 4rem;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
}

.seo-article h2 {
  font-family: var(--font-serif);
  margin-bottom: 1rem;
}

.seo-article p {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* Footer */
.footer {
  background: #ffffff;
  border-top: 1px solid var(--border-color);
  padding: 2rem 1.5rem;
  margin-top: 4rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

@media (min-width: 640px) {
  .footer-container {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}