@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&family=IBM+Plex+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --font-display: 'Space Mono', monospace;
  --font-body: 'IBM Plex Sans', sans-serif;
  --bg: #0a0a0a;
  --bg-card: #141414;
  --bg-hover: #1a1a1a;
  --text: #e8e8e8;
  --text-muted: #888;
  --border: #222;
  --radius: 6px;
  --accent: #14B8A6;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: rgba(10,10,10,0.95);
  backdrop-filter: blur(10px);
  z-index: 100;
}

.site-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent);
}

.site-nav { display: flex; gap: 1.5rem; align-items: center; }
.site-nav a { color: var(--text-muted); font-size: 0.9rem; font-weight: 500; }
.site-nav a:hover { color: var(--text); text-decoration: none; }

/* Main */
main { flex: 1; max-width: 1100px; width: 100%; margin: 0 auto; padding: 2rem; }

h1, h2, h3 { font-family: var(--font-display); }
h1 { font-size: 2rem; margin-bottom: 0.5rem; }
h2 { font-size: 1.4rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }

.hero { text-align: center; padding: 3rem 0 2rem; }
.hero p { color: var(--text-muted); font-size: 1.1rem; max-width: 600px; margin: 0.5rem auto 0; }

/* Tabs */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
  padding-bottom: 0;
}

.tab-btn {
  font-family: var(--font-body);
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.6rem 1rem;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Card / Tool Panel */
.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.tool-card h3 { color: var(--accent); margin-bottom: 1rem; }

/* Form elements */
label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
  font-weight: 500;
}

textarea, input[type="text"], input[type="number"], select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 0.6rem 0.8rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  resize: vertical;
  outline: none;
  transition: border-color 0.2s;
}

textarea:focus, input[type="text"]:focus, select:focus {
  border-color: var(--accent);
}

textarea { min-height: 80px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: var(--radius);
  padding: 0.55rem 1.1rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

.btn:hover { opacity: 0.85; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
}

.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }

.row { display: flex; gap: 1rem; margin-bottom: 1rem; }
.row > * { flex: 1; }

.output-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.8rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
  min-height: 50px;
  word-break: break-all;
  white-space: pre-wrap;
  margin-top: 0.5rem;
  position: relative;
}

.copy-btn {
  position: absolute;
  top: 0.4rem;
  right: 0.4rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 4px;
  padding: 0.2rem 0.5rem;
  font-size: 0.75rem;
  cursor: pointer;
}
.copy-btn:hover { color: var(--accent); border-color: var(--accent); }

.actions { display: flex; gap: 0.5rem; margin-top: 0.75rem; flex-wrap: wrap; }

/* Flags */
.flag-group { display: flex; gap: 0.75rem; margin-bottom: 0.75rem; }
.flag-toggle { display: flex; align-items: center; gap: 0.3rem; cursor: pointer; font-size: 0.85rem; color: var(--text-muted); }
.flag-toggle input { accent-color: var(--accent); }

/* Regex highlights */
.match-highlight { background: rgba(20,184,166,0.3); border-radius: 2px; padding: 0 1px; }

/* Color preview */
.color-swatch {
  width: 80px;
  height: 80px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-top: 0.5rem;
}

/* Hash results */
.hash-row { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; }
.hash-label { font-weight: 600; min-width: 70px; font-size: 0.8rem; color: var(--text-muted); }
.hash-value { font-family: var(--font-display); font-size: 0.8rem; word-break: break-all; flex: 1; }

/* JWT sections */
.jwt-section { margin-bottom: 1rem; }
.jwt-section h4 { font-size: 0.85rem; color: var(--accent); margin-bottom: 0.3rem; }
.jwt-expired { color: #ef4444; font-weight: 600; }
.jwt-valid { color: #22c55e; font-weight: 600; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.site-footer a { color: var(--text-muted); }
.site-footer a:hover { color: var(--accent); }

.footer-links { display: flex; justify-content: center; gap: 1.5rem; margin-bottom: 0.75rem; flex-wrap: wrap; }

/* Blog */
.blog-list { list-style: none; }
.blog-list li {
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 0;
}
.blog-list li:last-child { border-bottom: none; }
.blog-list a { font-size: 1.1rem; font-weight: 600; }
.blog-meta { color: var(--text-muted); font-size: 0.8rem; margin-top: 0.25rem; }
.blog-excerpt { color: var(--text-muted); font-size: 0.9rem; margin-top: 0.35rem; }

.article-content { max-width: 720px; margin: 0 auto; }
.article-content h1 { font-size: 1.8rem; margin-bottom: 0.5rem; }
.article-content .blog-meta { margin-bottom: 2rem; }
.article-content p { margin-bottom: 1rem; }
.article-content h2 { margin-top: 2rem; }
.article-content h3 { margin-top: 1.5rem; }
.article-content ul, .article-content ol { margin-bottom: 1rem; padding-left: 1.5rem; }
.article-content li { margin-bottom: 0.35rem; }
.article-content pre {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1rem;
  font-family: var(--font-display);
  font-size: 0.85rem;
}
.article-content code {
  font-family: var(--font-display);
  font-size: 0.85rem;
  background: var(--bg-card);
  padding: 0.15rem 0.35rem;
  border-radius: 3px;
}
.article-content pre code { background: none; padding: 0; }
.article-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 700px) {
  .site-header { padding: 0.75rem 1rem; }
  main { padding: 1rem; }
  .hero { padding: 2rem 0 1rem; }
  h1 { font-size: 1.5rem; }
  .row { flex-direction: column; }
  .tabs { gap: 0; }
  .tab-btn { padding: 0.5rem 0.65rem; font-size: 0.78rem; }
}


/* === V5: Nav Pro + Zovo Tools === */
.nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.nav-pro {
  background: var(--accent);
  color: #000 !important;
  padding: 5px 13px;
  border-radius: var(--radius, 6px);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.2s;
  white-space: nowrap;
}

.nav-pro:hover {
  opacity: 0.85;
}

.nav-zovo {
  color: var(--text-muted, #888) !important;
  font-size: 0.78rem;
  text-decoration: none;
  white-space: nowrap;
}

.nav-zovo:hover {
  color: var(--text, #e8e8e8) !important;
}

nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* === V5: Footer === */
footer .footer-inner {
  max-width: 800px;
}

footer .footer-brand {
  margin-bottom: 0.75rem;
}

footer .footer-brand a {
  color: var(--text, #e8e8e8);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
}

footer .footer-brand span {
  display: block;
  color: var(--text-muted, #888);
  font-size: 0.78rem;
  margin-top: 0.2rem;
}

footer .footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

footer .footer-links a {
  color: var(--text-muted, #888);
  font-size: 0.78rem;
  text-decoration: none;
}

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

footer .footer-pro {
  margin-bottom: 0.5rem;
}

footer .footer-pro a {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
}

footer .footer-pro a:hover {
  text-decoration: underline;
}

footer .footer-copy {
  color: var(--text-muted, #888);
  font-size: 0.72rem;
}

footer .footer-copy a {
  color: inherit;
  text-decoration: none;
}

/* === V9: Tool Pages === */
.tool-page-hero {
  padding: 2rem 0 1.5rem;
}

.tool-page-hero h1 {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.tool-page-hero p {
  color: var(--text-muted);
  font-size: 1rem;
  max-width: 700px;
}

.breadcrumb {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}

.breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
}

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

.breadcrumb span {
  margin: 0 0.35rem;
  color: var(--border);
}

.tool-container {
  margin-bottom: 1.5rem;
}

.tool-loading {
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 2rem;
  text-align: center;
}

.related-section h2 {
  margin-bottom: 1rem;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
}

.related-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: border-color 0.2s, color 0.2s;
}

.related-card:hover {
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.author-section {
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}

/* Tools Hub */
.tools-hub-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.tool-hub-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.15s;
}

.tool-hub-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  text-decoration: none;
}

.tool-hub-card h3 {
  font-size: 0.95rem;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.tool-hub-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.hub-category {
  margin-top: 2rem;
}

.hub-category h2 {
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
  color: var(--text);
}

.hub-category-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

/* === V5: Pro Nudge === */
.pro-nudge {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--accent-dim, rgba(110, 231, 183, 0.06));
  border: 1px solid var(--accent, #6ee7b7);
  border-radius: var(--radius, 8px);
  animation: v5-nudge-in 0.3s ease;
}

.pro-nudge-inner {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.pro-nudge-icon {
  font-size: 1.15rem;
  flex-shrink: 0;
  line-height: 1.4;
}

.pro-nudge-text {
  font-size: 0.88rem;
  color: var(--text-muted, #888);
  line-height: 1.55;
}

.pro-nudge-text strong {
  color: var(--text, #e8e8e8);
}

.pro-nudge-text a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
}

@keyframes v5-nudge-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}