/* ==========================================================================
   Electrum Plugins Website — Main Stylesheet
   Mobile-first responsive design
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-primary: #1a3a5c;
  --color-primary-light: #254d75;
  --color-accent: #4a9eff;
  --color-accent-hover: #3388ee;
  --color-bg: #f5f7fa;
  --color-bg-white: #ffffff;
  --color-bg-card: #ffffff;
  --color-bg-code: #f0f4f8;
  --color-text: #2c3e50;
  --color-text-light: #5a6a7a;
  --color-text-muted: #8a9aaa;
  --color-border: #dce4ec;
  --color-border-light: #e8eef4;
  --color-warning: #e8a030;
  --color-warning-bg: #fef8ee;
  --color-warning-border: #f0d090;
  --color-badge-qt: #41cd52;
  --color-badge-qml: #9b59b6;
  --color-badge-cli: #e67e22;
  --color-badge-internal: #3498db;
  --color-badge-external: #e74c3c;

  /* Typography */
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-xs: 0.75rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --line-height: 1.6;

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

  /* Layout */
  --max-width: 1200px;
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
  --transition: 0.2s ease;
}

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

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-primary);
  line-height: 1.3;
}

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

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  background-color: var(--color-primary);
  color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-md);
  padding-bottom: var(--space-md);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: #ffffff;
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.site-logo:hover {
  color: #ffffff;
}

.site-logo img {
  height: 32px;
  width: auto;
}

/* Hamburger menu — CSS-only toggle */
.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav-toggle-label span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #ffffff;
  transition: transform var(--transition), opacity var(--transition);
}

.site-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-primary);
  border-top: 1px solid var(--color-primary-light);
  padding: var(--space-md);
}

.nav-toggle:checked ~ .site-nav {
  display: block;
}

.nav-toggle:checked ~ .nav-toggle-label span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle:checked ~ .nav-toggle-label span:nth-child(2) {
  opacity: 0;
}

.nav-toggle:checked ~ .nav-toggle-label span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.site-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.site-nav a {
  color: rgba(255, 255, 255, 0.85);
  padding: var(--space-sm) var(--space-md);
  display: block;
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition), color var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
  color: #ffffff;
  background-color: var(--color-primary-light);
}

.site-nav .nav-external {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-sm);
}

.site-nav .nav-external:hover {
  color: rgba(255, 255, 255, 0.9);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #ffffff;
  padding: var(--space-3xl) 0;
  text-align: center;
}

.hero h1 {
  color: #ffffff;
  font-size: var(--font-size-2xl);
  margin-bottom: var(--space-md);
}

.hero p {
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: 0 auto var(--space-xl);
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  align-items: center;
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: var(--font-size-base);
  text-align: center;
  transition: background-color var(--transition), transform var(--transition);
  cursor: pointer;
  border: none;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
}

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

.btn-outline {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #ffffff;
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   Section Headings
   -------------------------------------------------------------------------- */
.section {
  padding: var(--space-2xl) 0;
}

.section-title {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 3px solid var(--color-accent);
  display: inline-block;
}

.section-subtitle {
  color: var(--color-text-light);
  margin-bottom: var(--space-xl);
  font-size: var(--font-size-lg);
}

/* --------------------------------------------------------------------------
   Category Cards (index.html)
   -------------------------------------------------------------------------- */
.category-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.category-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  text-align: center;
  transition: box-shadow var(--transition), transform var(--transition);
}

.category-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.category-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-sm);
}

.category-card p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  font-size: var(--font-size-sm);
}

.category-card .card-count {
  display: inline-block;
  background-color: var(--color-bg-code);
  color: var(--color-primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.category-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
  display: block;
}

/* --------------------------------------------------------------------------
   Quick Start Section (index.html)
   -------------------------------------------------------------------------- */
.quick-start {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
}

.quick-start h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-lg);
}

.quick-start ol {
  list-style: decimal;
  padding-left: var(--space-xl);
}

.quick-start li {
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.quick-start li strong {
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Section Navigation (plugins.html)
   -------------------------------------------------------------------------- */
.section-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  padding: var(--space-md);
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
}

.section-nav a {
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-bg-code);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-primary);
}

.section-nav a:hover {
  background-color: var(--color-accent);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   Plugin Cards
   -------------------------------------------------------------------------- */
.plugin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

.plugin-card {
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  display: flex;
  gap: var(--space-md);
  transition: box-shadow var(--transition), transform var(--transition);
}

.plugin-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.plugin-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  object-fit: contain;
  background-color: var(--color-bg-code);
  padding: 4px;
}

.plugin-info {
  flex: 1;
  min-width: 0;
}

.plugin-name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.plugin-description {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-sm);
  line-height: 1.5;
}

.plugin-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  align-items: center;
}

.plugin-link {
  display: inline-block;
  font-size: var(--font-size-sm);
  margin-top: var(--space-sm);
}

.plugin-date {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  margin-top: var(--space-sm);
}

/* --------------------------------------------------------------------------
   Badges
   -------------------------------------------------------------------------- */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: var(--font-size-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-qt {
  background-color: rgba(65, 205, 82, 0.15);
  color: #2d9a3e;
}

.badge-qml {
  background-color: rgba(155, 89, 182, 0.15);
  color: #7d3c98;
}

.badge-cli {
  background-color: rgba(230, 126, 34, 0.15);
  color: #c0612b;
}

.badge-internal {
  background-color: rgba(52, 152, 219, 0.15);
  color: #2471a3;
}

.badge-external {
  background-color: rgba(231, 76, 60, 0.15);
  color: #c0392b;
}

.badge-daemon {
  background-color: rgba(149, 165, 166, 0.15);
  color: #5a6a6e;
}

/* --------------------------------------------------------------------------
   Disclaimer Box
   -------------------------------------------------------------------------- */
.disclaimer {
  background-color: var(--color-warning-bg);
  border: 1px solid var(--color-warning-border);
  border-left: 4px solid var(--color-warning);
  border-radius: var(--border-radius-sm);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-xl);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.disclaimer strong {
  color: var(--color-warning);
}

/* --------------------------------------------------------------------------
   Submit CTA (plugins.html)
   -------------------------------------------------------------------------- */
.submit-cta {
  text-align: center;
  padding: var(--space-xl);
  background-color: var(--color-bg-white);
  border: 2px dashed var(--color-border);
  border-radius: var(--border-radius);
  margin-top: var(--space-xl);
}

.submit-cta h3 {
  margin-bottom: var(--space-sm);
}

.submit-cta p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   Developer Guide (developers.html)
   -------------------------------------------------------------------------- */
.dev-layout {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

/* Sidebar TOC */
.dev-sidebar {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
}

.dev-sidebar h2 {
  font-size: var(--font-size-base);
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dev-sidebar ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.dev-sidebar a {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  border-radius: var(--border-radius-sm);
}

.dev-sidebar a:hover {
  color: var(--color-accent);
  background-color: var(--color-bg-code);
}

/* Dev content */
.dev-content {
  flex: 1;
  min-width: 0;
}

.dev-content section {
  background-color: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.dev-content h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-border-light);
}

.dev-content h3 {
  font-size: var(--font-size-lg);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.dev-content h4 {
  font-size: var(--font-size-base);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.dev-content p {
  margin-bottom: var(--space-md);
}

.dev-content ul,
.dev-content ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
}

.dev-content ul {
  list-style: disc;
}

.dev-content ol {
  list-style: decimal;
}

.dev-content li {
  margin-bottom: var(--space-sm);
}

/* --------------------------------------------------------------------------
   Code Blocks
   -------------------------------------------------------------------------- */
code {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  background-color: var(--color-bg-code);
  padding: 2px 6px;
  border-radius: var(--border-radius-sm);
  color: var(--color-primary);
}

pre {
  background-color: var(--color-bg-code);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  overflow-x: auto;
  margin-bottom: var(--space-lg);
  line-height: 1.5;
}

pre code {
  background: none;
  padding: 0;
  font-size: var(--font-size-sm);
}

/* --------------------------------------------------------------------------
   Tables (developers.html — manifest.json reference)
   -------------------------------------------------------------------------- */
.dev-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-lg);
  font-size: var(--font-size-sm);
}

.dev-content th,
.dev-content td {
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border-light);
}

.dev-content th {
  background-color: var(--color-bg-code);
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
}

.dev-content tr:hover td {
  background-color: var(--color-bg);
}

/* Table responsive wrapper */
.table-wrap {
  overflow-x: auto;
  margin-bottom: var(--space-lg);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-xl) 0;
  margin-top: auto;
  font-size: var(--font-size-sm);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
  color: #ffffff;
}

.footer-copy {
  color: rgba(255, 255, 255, 0.5);
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.text-center {
  text-align: center;
}

/* --------------------------------------------------------------------------
   Responsive — Tablet (768px)
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  .hero h1 {
    font-size: var(--font-size-3xl);
  }

  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }

  .category-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* --------------------------------------------------------------------------
   Responsive — Desktop (1024px)
   -------------------------------------------------------------------------- */
@media (min-width: 1024px) {
  /* Show horizontal nav, hide hamburger */
  .nav-toggle-label {
    display: none;
  }

  .site-nav {
    display: block;
    position: static;
    background: none;
    border: none;
    padding: 0;
  }

  .site-nav ul {
    flex-direction: row;
    gap: var(--space-xs);
  }

  /* Plugin grid: 3 columns */
  .plugin-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Developer page: sidebar layout */
  .dev-layout {
    flex-direction: row;
    align-items: flex-start;
  }

  .dev-sidebar {
    position: sticky;
    top: 80px;
    width: 240px;
    flex-shrink: 0;
  }

  .dev-content {
    flex: 1;
  }

  .section-title {
    font-size: var(--font-size-2xl);
  }
}