/*
Theme Name: DBA Knowledge Hub
Theme URI: https://example.com/dba-knowledge-hub
Author: Mark
Author URI: https://example.com
Description: WordPress theme for Oracle DBA documentation, runbooks, and technical articles.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: dba-hub
*/

:root {
  --bg: #091018;
  --bg-elev: #0f1b29;
  --bg-soft: #131f2f;
  --line: #233345;
  --text: #e9f2ff;
  --muted: #99adc5;
  --accent: #f47b20;
  --accent-2: #ffc73c;
  --ok: #7dd3ae;
  --maxw: 1120px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 20% 0%, #15283d 0, rgba(21, 40, 61, 0) 42%),
    radial-gradient(circle at 100% 20%, #222d4b 0, rgba(34, 45, 75, 0) 36%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.45;
}

a {
  color: var(--accent-2);
}

.container {
  width: min(var(--maxw), calc(100% - 2.5rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(137, 162, 192, 0.2);
  backdrop-filter: blur(8px);
  background: rgba(8, 15, 23, 0.78);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.95rem 0;
}

.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.brand-mark {
  font-family: "IBM Plex Mono", monospace;
  border: 1px solid var(--line);
  color: var(--accent-2);
  background: #142338;
  border-radius: 0.45rem;
  padding: 0.2rem 0.45rem;
  letter-spacing: 0.06em;
}

.site-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}

.site-nav a:hover,
.site-nav .current-menu-item a {
  color: var(--text);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #122133;
  color: var(--text);
  border-radius: 0.5rem;
  padding: 0.4rem 0.8rem;
  cursor: pointer;
}

.hero {
  padding: 5rem 0 3.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 1.2rem;
}

.eyebrow {
  color: var(--accent-2);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  font-size: 0.82rem;
  font-weight: 600;
}

h1,
h2,
h3 {
  line-height: 1.2;
}

h1 {
  margin: 0.25rem 0 1rem;
  font-size: clamp(2rem, 4vw, 3.3rem);
}

.hero-copy {
  color: var(--muted);
  max-width: 56ch;
  font-size: 1.08rem;
}

.hero-actions {
  margin-top: 1.2rem;
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.btn {
  border-radius: 0.7rem;
  padding: 0.68rem 1rem;
  text-decoration: none;
  font-weight: 700;
}

.btn-primary {
  color: #1f1506;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.btn-secondary {
  color: var(--text);
  border: 1px solid var(--line);
  background: #152436;
}

.hero-card {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: linear-gradient(165deg, #142236, #0f1828);
  padding: 1rem 1.1rem;
}

.hero-card h2 {
  margin-top: 0.2rem;
  font-size: 1.12rem;
}

.hero-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
  line-height: 1.5;
}

.section {
  padding: 1.8rem 0 2.8rem;
}

.section-head {
  display: flex;
  justify-content: space-between;
  gap: 0.8rem;
  flex-wrap: wrap;
  align-items: baseline;
  margin-bottom: 0.9rem;
}

.section h2,
.section h1 {
  margin: 0;
  font-size: 1.6rem;
}

.section p {
  margin: 0;
  color: var(--muted);
}

.category-chips {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.chip-link {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #132236;
  color: var(--muted);
  padding: 0.42rem 0.8rem;
  cursor: pointer;
  font-weight: 600;
  text-decoration: none;
}

.chip-link:hover {
  color: #1f1506;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.search-wrap {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 520px;
}

.home-search {
  margin: 0.85rem 0 0.25rem;
}

.search-wrap input {
  border-radius: 0.65rem;
  border: 1px solid var(--line);
  background: #132236;
  color: var(--text);
  padding: 0.6rem 0.7rem;
  font-family: "IBM Plex Mono", monospace;
}

.article-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

.category-grid {
  margin-top: 0.5rem;
}

.article-card {
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: linear-gradient(180deg, #131f30, #0f1826);
  padding: 0.95rem;
}

.article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.tag {
  color: var(--ok);
  font-family: "IBM Plex Mono", monospace;
}

.article-card h3 {
  margin: 0.6rem 0 0.4rem;
  font-size: 1.02rem;
}

.article-card p {
  color: var(--muted);
  line-height: 1.45;
  margin: 0;
}

.article-card a {
  display: inline-block;
  margin-top: 0.7rem;
  text-decoration: none;
  font-weight: 600;
}

.plain-link {
  color: var(--text);
  text-decoration: none;
}

.plain-link:hover {
  color: var(--accent-2);
}

.muted {
  background: linear-gradient(180deg, rgba(16, 27, 42, 0), rgba(16, 27, 42, 0.45));
  border-top: 1px solid rgba(137, 162, 192, 0.17);
}

.single-wrap {
  max-width: 860px;
}

.contact-wrap {
  max-width: 820px;
}

.contact-form {
  margin-top: 0.9rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: linear-gradient(180deg, #121d2c, #0d1623);
  padding: 1.25rem;
  display: grid;
  gap: 0.9rem;
}

.form-row {
  display: grid;
  gap: 0.45rem;
}

.form-row-inline {
  grid-template-columns: 140px minmax(0, 1fr);
  column-gap: 1rem;
  align-items: center;
}

.form-row-inline label {
  margin: 0;
}

.form-row-message {
  margin-top: 0.15rem;
}

.form-row-message label {
  margin-bottom: 0.15rem;
}

.contact-form label {
  color: var(--muted);
  font-size: 0.92rem;
}

.contact-form input,
.contact-form textarea {
  border-radius: 0.65rem;
  border: 1px solid var(--line);
  background: #132236;
  color: var(--text);
  padding: 0.62rem 0.72rem;
  font-family: "IBM Plex Mono", monospace;
}

.contact-form textarea {
  resize: vertical;
  min-height: 180px;
}

.contact-form button {
  margin-top: 0.2rem;
  width: fit-content;
  cursor: pointer;
  border: none;
}

.form-submit-row {
  margin-top: 0.25rem;
}

.notice {
  border-radius: 0.7rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--line);
  margin-bottom: 0.8rem;
}

.notice p {
  margin: 0.2rem 0;
}

.notice.success {
  background: rgba(27, 107, 73, 0.22);
  border-color: #2f8f66;
}

.notice.error {
  background: rgba(155, 52, 52, 0.22);
  border-color: #a74d4d;
}

.single-article {
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 1.2rem;
  background: linear-gradient(180deg, #121d2c, #0d1623);
}

.single-header h1 {
  font-size: clamp(1.8rem, 3.3vw, 2.6rem);
  margin: 0.3rem 0 0.8rem;
}

.post-meta {
  color: var(--muted);
  font-size: 0.92rem;
}

.single-content {
  margin-top: 1rem;
}

.single-content h2,
.single-content h3,
.single-content h4 {
  margin-top: 1.4rem;
}

.single-content p,
.single-content li {
  color: #d8e6f8;
}

.single-content code,
.single-content pre {
  font-family: "IBM Plex Mono", monospace;
}

.single-content pre {
  background: #0a111b;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  padding: 0.85rem;
  overflow-x: auto;
}

.single-footer {
  margin-top: 1.2rem;
  border-top: 1px solid var(--line);
  padding-top: 0.8rem;
}

.post-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.pagination,
.nav-links {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.page-numbers {
  border: 1px solid var(--line);
  border-radius: 0.45rem;
  background: #122133;
  color: var(--text);
  padding: 0.25rem 0.55rem;
  text-decoration: none;
}

.page-numbers.current {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #1f1506;
  border-color: transparent;
}

.site-footer {
  border-top: 1px solid rgba(137, 162, 192, 0.17);
  padding: 1rem 0;
}

.footer-inner {
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.92rem;
}

@media (max-width: 920px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .article-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 760px) {
  .menu-toggle {
    display: inline-block;
  }

  .site-nav {
    width: 100%;
    display: none;
  }

  .site-nav.open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    padding-top: 0.7rem;
  }

  .header-inner {
    flex-wrap: wrap;
  }

  .article-grid {
    grid-template-columns: 1fr;
  }

  .form-row-inline {
    grid-template-columns: 1fr;
    row-gap: 0.35rem;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(var(--maxw), calc(100% - 1.2rem));
  }
}