/*
Theme Name: Dexio
Theme URI: https://dexio.dev
Description: Minimal, modern theme for Dexio vendor documentation site.
Version: 1.0.0
Author: Dexio
Author URI: https://dexio.dev
Text Domain: dexio
Requires at least: 6.0
Requires PHP: 8.1
License: GPL-2.0-or-later
*/

/* === Variables === */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f7f8fa;
  --color-bg-code: #f1f3f5;
  --color-text: #1a1a2e;
  --color-text-secondary: #5a5a7a;
  --color-text-muted: #8a8aa0;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #eff6ff;
  --color-border: #e5e7eb;
  --color-border-light: #f0f0f5;
  --color-success: #16a34a;
  --color-warning: #d97706;
  --color-info: #0ea5e9;
  --color-danger: #dc2626;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.08);

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  --max-width: 1140px;
  --max-width-narrow: 780px;
  --header-height: 64px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  font-weight: 600;
  color: var(--color-text);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

p { margin-bottom: var(--space-md); }
p:last-child { margin-bottom: 0; }

/* === Layout === */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

main { flex: 1; }

/* === Header === */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.header__logo:hover { color: var(--color-text); }
.header__logo span { color: var(--color-primary); }

.header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.header__nav li { list-style: none; }

.header__nav a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s;
}

.header__nav a:hover,
.header__nav .current-menu-item a,
.header__nav .current_page_item a {
  color: var(--color-primary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  color: var(--color-text);
}

.menu-toggle svg { width: 24px; height: 24px; }

@media (max-width: 768px) {
  .menu-toggle { display: block; }

  .header__nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-lg);
    transform: translateX(100%);
    transition: transform 0.25s ease;
  }

  .header__nav.open { transform: translateX(0); }
  .header__nav a { font-size: 1.1rem; }
}

/* === Footer === */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: var(--space-3xl) 0 var(--space-xl);
  margin-top: var(--space-4xl);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand p {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  margin-top: var(--space-sm);
}

.footer__heading {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__links a {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  transition: color 0.15s;
}

.footer__links a:hover { color: var(--color-primary); }

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-lg);
}

.footer__bottom-links a { color: var(--color-text-muted); }

@media (max-width: 768px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
  .footer__brand { grid-column: 1 / -1; }
  .footer__bottom { flex-direction: column; gap: var(--space-sm); text-align: center; }
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}

.btn--primary { background: var(--color-primary); color: #fff; }
.btn--primary:hover { background: var(--color-primary-hover); color: #fff; }

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

.btn--outline:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.btn--sm { padding: 0.45rem 1rem; font-size: 0.85rem; }

/* === Hero === */
.hero {
  padding: var(--space-4xl) 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.75rem;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-md);
}

.hero p {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto var(--space-xl);
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

@media (max-width: 600px) {
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
}

/* === Sections === */
.section { padding: var(--space-3xl) 0; }
.section--alt { background: var(--color-bg-alt); }

.section__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section__header p {
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
  font-size: 1.05rem;
}

/* === Cards === */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-light);
}

.card__icon {
  width: 44px;
  height: 44px;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  color: var(--color-primary);
  font-size: 1.25rem;
}

.card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.card__desc {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.card__footer {
  margin-top: var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* === Badge === */
.badge {
  display: inline-block;
  padding: 0.2rem 0.65rem;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge--soon { background: #fef3c7; color: #92400e; }
.badge--new { background: #dcfce7; color: #166534; }
.badge--stable { background: var(--color-primary-light); color: var(--color-primary); }

/* === Features === */
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.feature { text-align: center; padding: var(--space-lg); }

.feature__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-md);
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.3rem;
}

.feature h3 { margin-bottom: var(--space-sm); }
.feature p { color: var(--color-text-secondary); font-size: 0.9rem; }

@media (max-width: 768px) {
  .features { grid-template-columns: 1fr; }
}

/* === Page Header === */
.page-header {
  background: var(--color-bg-alt);
  padding: var(--space-2xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.page-header h1 { font-size: 2rem; }
.page-header p { color: var(--color-text-secondary); margin-top: var(--space-sm); }

.breadcrumbs {
  display: flex;
  gap: var(--space-sm);
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.breadcrumbs a { color: var(--color-text-muted); }
.breadcrumbs a:hover { color: var(--color-primary); }

/* === Docs Layout === */
.docs-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-2xl);
  padding: var(--space-2xl) 0;
}

.docs-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-xl));
  align-self: start;
  max-height: calc(100vh - var(--header-height) - var(--space-2xl));
  overflow-y: auto;
}

.docs-sidebar__search {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: var(--space-lg);
  font-family: var(--font-sans);
}

.docs-sidebar__search:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.docs-nav__group { margin-bottom: var(--space-lg); }

.docs-nav__label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.docs-nav__list { list-style: none; }

.docs-nav__list a {
  display: block;
  padding: 0.35rem 0.75rem;
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: all 0.12s;
}

.docs-nav__list a:hover { background: var(--color-bg-alt); color: var(--color-primary); }
.docs-nav__list a.active { background: var(--color-primary-light); color: var(--color-primary); font-weight: 500; }

@media (max-width: 900px) {
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar {
    position: static;
    max-height: none;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-lg);
    margin-bottom: var(--space-lg);
  }
}

/* === Article Content === */
.article { max-width: 720px; }
.article h1 { font-size: 2rem; margin-bottom: var(--space-lg); }
.article h2 { font-size: 1.5rem; margin-top: var(--space-2xl); margin-bottom: var(--space-md); padding-bottom: var(--space-sm); border-bottom: 1px solid var(--color-border); }
.article h3 { font-size: 1.2rem; margin-top: var(--space-xl); margin-bottom: var(--space-sm); }
.article p { color: var(--color-text-secondary); margin-bottom: var(--space-md); line-height: 1.7; }
.article ul, .article ol { margin-bottom: var(--space-md); padding-left: var(--space-xl); color: var(--color-text-secondary); }
.article li { margin-bottom: var(--space-xs); line-height: 1.7; }

.article code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--color-bg-code);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  color: var(--color-text);
}

.article pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: var(--space-lg);
  font-size: 0.88rem;
  line-height: 1.7;
}

.article pre code { background: none; padding: 0; border-radius: 0; color: inherit; }

/* === Callouts === */
.callout {
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-lg);
  border-left: 4px solid;
  font-size: 0.9rem;
}

.callout p { margin: 0; color: inherit; }
.callout--info { background: #f0f9ff; border-color: var(--color-info); color: #0c4a6e; }
.callout--warning { background: #fffbeb; border-color: var(--color-warning); color: #78350f; }
.callout--danger { background: #fef2f2; border-color: var(--color-danger); color: #7f1d1d; }
.callout--success { background: #f0fdf4; border-color: var(--color-success); color: #14532d; }
.callout strong { display: block; margin-bottom: var(--space-xs); }

/* === Catalog Filter === */
.catalog-filter {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.catalog-filter__search {
  flex: 1;
  min-width: 200px;
  padding: 0.6rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: var(--font-sans);
}

.catalog-filter__search:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.filter-tag {
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.85rem;
  background: var(--color-bg);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}

.filter-tag:hover,
.filter-tag.active {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
}

/* === Legal / Content Pages === */
.legal { max-width: var(--max-width-narrow); margin: 0 auto; padding: var(--space-2xl) var(--space-lg); }
.legal h1 { margin-bottom: var(--space-sm); }
.legal .legal__updated { color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: var(--space-2xl); }
.legal h2 { font-size: 1.3rem; margin-top: var(--space-2xl); margin-bottom: var(--space-md); }
.legal p, .legal li { color: var(--color-text-secondary); line-height: 1.7; }
.legal ul { padding-left: var(--space-xl); margin-bottom: var(--space-md); }

/* === Content Page (WP default) === */
.content-page { max-width: var(--max-width-narrow); margin: 0 auto; padding: var(--space-2xl) var(--space-lg); }
.content-page h2 { font-size: 1.4rem; margin-top: var(--space-2xl); margin-bottom: var(--space-md); }
.content-page p { color: var(--color-text-secondary); line-height: 1.7; }
.content-page ul, .content-page ol { padding-left: var(--space-xl); margin-bottom: var(--space-md); color: var(--color-text-secondary); }
.content-page li { margin-bottom: var(--space-xs); line-height: 1.7; }

/* === Contact === */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  padding: var(--space-2xl) 0;
}

.contact-info h3 { margin-bottom: var(--space-md); }
.contact-info p { color: var(--color-text-secondary); font-size: 0.95rem; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact-item__icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-form label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: var(--font-sans);
  margin-bottom: var(--space-md);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}

.contact-form textarea { min-height: 140px; resize: vertical; }

@media (max-width: 768px) {
  .contact-grid { grid-template-columns: 1fr; }
}

/* === 404 === */
.not-found { text-align: center; padding: var(--space-4xl) var(--space-lg); }
.not-found__code { font-size: 6rem; font-weight: 700; color: var(--color-border); line-height: 1; margin-bottom: var(--space-md); }
.not-found h1 { margin-bottom: var(--space-md); }
.not-found p { color: var(--color-text-secondary); margin-bottom: var(--space-xl); }

/* === FAQ === */
.faq-item { border-bottom: 1px solid var(--color-border); padding: var(--space-lg) 0; }
.faq-item:last-child { border-bottom: none; }
.faq-q { font-weight: 600; font-size: 1.05rem; margin-bottom: var(--space-sm); cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
.faq-q::after { content: '+'; font-size: 1.3rem; color: var(--color-text-muted); transition: transform 0.2s; }
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a { color: var(--color-text-secondary); line-height: 1.7; max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-item.open .faq-a { max-height: 500px; }
.faq-a p { margin-top: var(--space-sm); }

/* === Changelog === */
.changelog-entry { padding: var(--space-xl) 0; border-bottom: 1px solid var(--color-border); }
.changelog-entry:last-child { border-bottom: none; }
.changelog__version { display: flex; align-items: center; gap: var(--space-md); margin-bottom: var(--space-sm); flex-wrap: wrap; }
.changelog__version h3 { margin: 0; }
.changelog__date { color: var(--color-text-muted); font-size: 0.85rem; }
.changelog__list { padding-left: var(--space-xl); color: var(--color-text-secondary); font-size: 0.95rem; }
.changelog__list li { margin-bottom: var(--space-xs); }

/* === Utilities === */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* === WP-specific overrides === */
.wp-block-group,
.entry-content > * {
  max-width: var(--max-width-narrow);
  margin-left: auto;
  margin-right: auto;
}

/* Hide WP admin bar in front end */
body.admin-bar .header {
  top: 32px;
}

@media screen and (max-width: 782px) {
  body.admin-bar .header {
    top: 46px;
  }
}