/*
Theme Name: ChordSongs
Theme URI: https://chordsongs.io
Author: ChordSongs
Author URI: https://chordsongs.io
Description: A clean, modern WordPress theme for ChordSongs — find songs by the chords you know. Features interactive chord diagrams, elegant typography, and a warm editorial aesthetic.
Version: 2.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: chordsongs
*/

/* ==========================================================================
   TABLE OF CONTENTS
   1. CSS Variables & Reset
   2. Typography
   3. Layout & Container
   4. Header & Navigation
   5. Hero / Home Sections
   6. Cards (Instrument, Song, Progression)
   7. Search & Forms
   8. Chord Diagrams (Interactive)
   9. Single Post / Article
   10. Sidebar & Widgets
   11. Categories & Tags
   12. Footer
   13. Utility Classes
   14. Animations & Transitions
   15. Dark Mode
   16. Responsive
   ========================================================================== */

/* ==========================================================================
   1. CSS VARIABLES & RESET
   ========================================================================== */

:root {
  /* Colors */
  --color-bg:             #FAFAF8;
  --color-bg-card:        #FFFFFF;
  --color-bg-accent:      #F3F0EB;
  --color-bg-elevated:    #FFFFFF;
  --color-text:           #1A1A1A;
  --color-text-secondary: #6B6560;
  --color-text-muted:     #9B9590;
  --color-accent:         #E8553D;
  --color-accent-soft:    #FFF0ED;
  --color-accent-dark:    #C4412D;
  --color-accent-hover:   #D44A34;
  --color-border:         #E8E4DF;
  --color-border-light:   #F0ECE7;
  --color-chord-bg:       #1A1A1A;
  --color-chord-text:     #FAFAF8;
  --color-success:        #3D8C6E;
  --color-info:           #4A7FBA;

  /* Typography */
  --font-display:  'Satoshi', -apple-system, sans-serif;
  --font-body:     'General Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:     'JetBrains Mono', 'Fira Code', monospace;

  /* Sizing */
  --container-max:   1200px;
  --content-max:     780px;
  --sidebar-width:   300px;
  --nav-height:      64px;
  --border-radius:   12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;
  --border-radius-pill: 100px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.04);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.06);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.08);
  --shadow-accent: 0 4px 20px rgba(232,85,61,0.08);

  /* Transitions */
  --transition-fast:   0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow:   0.4s ease;
}

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

html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

/* ==========================================================================
   2. TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

h1 { font-size: clamp(2.2rem, 5vw, 3.2rem); line-height: 1.12; }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
h4 { font-size: 1.15rem; font-family: var(--font-body); font-weight: 600; letter-spacing: -0.01em; }
h5 { font-size: 1rem; font-family: var(--font-body); font-weight: 600; }
h6 { font-size: 0.85rem; font-family: var(--font-mono); font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-accent); }

p {
  margin-bottom: 1.5rem;
}

.lead {
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

blockquote {
  border-left: 3px solid var(--color-accent);
  padding: 1.25rem 1.75rem;
  margin: 2rem 0;
  background: var(--color-bg-accent);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

blockquote p:last-child {
  margin-bottom: 0;
}

code, kbd {
  font-family: var(--font-mono);
  font-size: 0.88em;
  background: var(--color-bg-accent);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  color: var(--color-accent-dark);
}

/* ==========================================================================
   3. LAYOUT & CONTAINER
   ========================================================================== */

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
}

.content-narrow {
  max-width: var(--content-max);
  margin: 0 auto;
}

.site-content {
  padding-top: var(--nav-height);
}

.content-area {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 2rem;
}

.has-sidebar {
  display: grid;
  grid-template-columns: 1fr var(--sidebar-width);
  gap: 3rem;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 2rem;
  align-items: start;
}

.has-sidebar .content-area {
  max-width: none;
  padding: 0;
}

/* ==========================================================================
   4. HEADER & NAVIGATION
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250, 250, 248, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  height: var(--nav-height);
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

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

/* Logo */
.site-branding {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.site-branding a {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.site-branding a:hover {
  color: var(--color-text);
}

.site-logo {
  width: 32px;
  height: 32px;
  background: var(--color-accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.site-logo svg {
  width: 20px;
  height: 20px;
}

/* Navigation */
.main-navigation ul {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.main-navigation a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 0.5rem 0.9rem;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.main-navigation a:hover {
  color: var(--color-text);
  background: var(--color-bg-accent);
}

.main-navigation .current-menu-item a,
.main-navigation .current_page_item a {
  color: var(--color-accent);
  background: var(--color-accent-soft);
}

/* Header actions (search, dark mode toggle) */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header-action-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--color-text-secondary);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.header-action-btn:hover {
  background: var(--color-bg-accent);
  color: var(--color-text);
}

.header-action-btn svg {
  width: 20px;
  height: 20px;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  cursor: pointer;
  color: var(--color-text);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  position: relative;
  transition: all var(--transition-fast);
}

.menu-toggle span::before,
.menu-toggle span::after {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  position: absolute;
  left: 0;
  transition: all var(--transition-fast);
}

.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { top: 6px; }

.menu-toggle.active span { background: transparent; }
.menu-toggle.active span::before { top: 0; transform: rotate(45deg); }
.menu-toggle.active span::after { top: 0; transform: rotate(-45deg); }

/* Progress bar */
.reading-progress {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), #F4845F);
  z-index: 1001;
  transition: width 0.1s linear;
  border-radius: 0 1px 1px 0;
}

/* Breadcrumb */
.breadcrumb {
  padding: 1.25rem 0 0;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

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

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

.breadcrumb .separator {
  opacity: 0.4;
}

/* ==========================================================================
   5. HERO / HOME SECTIONS
   ========================================================================== */

.hero {
  padding: 4rem 0 3rem;
  text-align: center;
}

.hero-404 {
  padding: 6rem 0;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.hero h1 {
  margin-bottom: 1.25rem;
}

.hero .lead {
  max-width: 580px;
  margin: 0 auto 2rem;
}

/* Hero search */
.hero-search {
  max-width: 520px;
  margin: 0 auto 2rem;
  position: relative;
}

.hero-search input[type="search"] {
  width: 100%;
  padding: 1rem 1.5rem 1rem 3rem;
  font-size: 1rem;
  font-family: var(--font-body);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-pill);
  background: var(--color-bg-card);
  color: var(--color-text);
  outline: none;
  transition: all var(--transition-normal);
}

.hero-search input[type="search"]:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-soft);
}

.hero-search .search-icon {
  position: absolute;
  left: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  width: 20px;
  height: 20px;
  pointer-events: none;
}

/* Quick links */
.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.quick-link {
  display: inline-block;
  padding: 0.45rem 1rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-pill);
  transition: all var(--transition-fast);
}

.quick-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
  transform: translateY(-1px);
}

/* Section headings */
.section-header {
  margin: 4rem 0 2rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
}

.section-header:first-child {
  border-top: none;
  padding-top: 0;
}

.section-number {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: block;
  margin-bottom: 0.65rem;
}

.section-subtitle {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--color-text-secondary);
  margin-top: 0.4rem;
}

.section-view-all {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.section-view-all:hover {
  gap: 0.5rem;
}

/* ==========================================================================
   6. CARDS (Instrument, Song, Progression)
   ========================================================================== */

/* --- Instrument Cards --- */
.instrument-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.instrument-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.instrument-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent);
  transform: translateY(-2px);
}

.instrument-card .instrument-icon {
  width: 48px;
  height: 48px;
  background: var(--color-bg-accent);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-accent);
}

.instrument-card .instrument-icon svg {
  width: 28px;
  height: 28px;
  transition: background var(--transition-fast);
}

.instrument-card:hover .instrument-icon {
  background: var(--color-accent-soft);
}

.instrument-card h3 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0;
}

.instrument-card .song-count {
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* --- Song Cards --- */
.song-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

.song-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  transition: all var(--transition-normal);
}

.song-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent);
  transform: translateY(-1px);
}

.song-card a {
  color: inherit;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  width: 100%;
}

.song-card .chord-badges {
  display: flex;
  gap: 0.4rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.chord-badge {
  background: var(--color-chord-bg);
  color: var(--color-chord-text);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.35rem 0.65rem;
  border-radius: var(--border-radius-sm);
  white-space: nowrap;
  text-align: center;
  min-width: 38px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.chord-badge:hover,
.chord-badge.active {
  background: var(--color-accent);
}

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

.song-title {
  font-family: var(--font-body);
  font-weight: 650;
  font-size: 0.95rem;
  color: var(--color-text);
  margin-bottom: 0.15rem;
}

.song-artist {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
}

.song-desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

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

.song-meta-item {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.song-meta-item svg {
  width: 14px;
  height: 14px;
}

/* --- Progression Cards --- */
.progression-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.progression-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  transition: all var(--transition-normal);
}

.progression-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent);
  transform: translateY(-2px);
}

.progression-card a {
  color: inherit;
}

.progression-name {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.progression-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: 0.6rem;
}

.progression-chords {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  background: var(--color-bg-accent);
  padding: 0.4rem 0.75rem;
  border-radius: var(--border-radius-sm);
  display: inline-block;
  margin-bottom: 0.5rem;
}

.progression-desc {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* --- Category Tag Pills --- */
.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0;
}

.category-pill {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-pill);
  transition: all var(--transition-fast);
}

.category-pill:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-accent-soft);
}

/* ==========================================================================
   7. SEARCH & FORMS
   ========================================================================== */

.search-form {
  position: relative;
}

.search-form input[type="search"] {
  width: 100%;
  padding: 0.75rem 1.25rem 0.75rem 2.75rem;
  font-size: 0.9rem;
  font-family: var(--font-body);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-pill);
  background: var(--color-bg-card);
  color: var(--color-text);
  outline: none;
  transition: all var(--transition-normal);
}

.search-form input[type="search"]:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.search-form button {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: 0;
}

.search-form button svg {
  width: 18px;
  height: 18px;
}

/* General inputs */
input[type="text"],
input[type="email"],
input[type="url"],
textarea,
select {
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 0.65rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background: var(--color-bg-card);
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-accent);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 1.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-body);
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--color-accent-dark);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-accent);
}

.btn-secondary {
  background: var(--color-bg-accent);
  color: var(--color-text);
}

.btn-secondary:hover {
  background: var(--color-border);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent);
}

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

/* ==========================================================================
   8. CHORD DIAGRAMS (Interactive)
   ========================================================================== */

.chord-palette {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--color-bg-accent);
  border-radius: var(--border-radius-lg);
  margin: 1.5rem 0;
  overflow-x: auto;
  flex-wrap: wrap;
  justify-content: center;
}

.chord-diagram {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.chord-diagram:hover {
  transform: scale(1.05);
}

.chord-diagram.playing {
  transform: scale(1.08);
}

.chord-diagram .chord-name {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.chord-diagram.playing .chord-name {
  color: var(--color-accent);
}

.chord-diagram .chord-fretboard {
  /* SVG diagrams rendered here */
}

.chord-diagram .chord-play-label {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  transition: color var(--transition-fast);
}

.chord-diagram.playing .chord-play-label {
  color: var(--color-accent);
}

/* Chord fretboard SVG styling */
.chord-fretboard .fret-line {
  stroke: var(--color-border);
  stroke-width: 1;
}

.chord-fretboard .string-line {
  stroke: var(--color-text-muted);
}

.chord-fretboard .nut {
  fill: var(--color-text);
}

.chord-fretboard .finger-dot {
  fill: var(--color-text);
  transition: fill var(--transition-fast);
}

.playing .chord-fretboard .finger-dot {
  fill: var(--color-accent);
}

.chord-fretboard .open-string {
  fill: none;
  stroke: var(--color-text-secondary);
  stroke-width: 1.5;
}

.chord-fretboard .muted-string {
  fill: var(--color-accent-dark);
  font-weight: 600;
}

/* Mini chord in song cards */
.chord-mini {
  width: 48px;
}

.chord-mini .chord-name {
  font-size: 0.7rem;
}

/* Chord finder section */
.chord-finder {
  background: var(--color-bg-accent);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  margin: 3rem 0;
  text-align: center;
}

.chord-finder h2 {
  margin-bottom: 0.75rem;
}

.chord-finder .lead {
  margin-bottom: 1.5rem;
}

.chord-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin: 1.5rem 0;
}

.chord-selector-btn {
  padding: 0.45rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border: 1.5px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.chord-selector-btn.selected {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

/* ==========================================================================
   9. SINGLE POST / ARTICLE
   ========================================================================== */

.entry-header {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 2.5rem 2rem 2rem;
}

.entry-category {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-soft);
  padding: 0.35rem 0.85rem;
  border-radius: var(--border-radius-pill);
  margin-bottom: 1.25rem;
}

.entry-title {
  margin-bottom: 1.25rem;
}

.entry-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.entry-meta .dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-text-muted);
}

/* Article content */
.entry-content {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 2rem 4rem;
}

.entry-content p {
  font-size: 1.05rem;
  line-height: 1.8;
}

.entry-content h2 {
  margin-top: 3rem;
  margin-bottom: 1rem;
}

.entry-content h3 {
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
  font-family: var(--font-body);
  font-weight: 600;
}

.entry-content ul,
.entry-content ol {
  margin: 1rem 0 1.5rem 1.5rem;
}

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

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

.entry-content li {
  margin-bottom: 0.5rem;
  font-size: 1.02rem;
  line-height: 1.7;
}

.entry-content img {
  border-radius: var(--border-radius);
  margin: 1.5rem 0;
}

/* Callout / Tip box */
.callout {
  background: var(--color-bg-accent);
  border-radius: var(--border-radius);
  padding: 1.25rem 1.75rem;
  margin: 2rem 0;
  border-left: 3px solid var(--color-accent);
}

.callout p {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin: 0;
  font-style: italic;
}

.callout.callout-info {
  border-left-color: var(--color-info);
}

.callout.callout-success {
  border-left-color: var(--color-success);
}

/* Post navigation */
.post-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.nav-previous,
.nav-next {
  padding: 1.25rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: all var(--transition-normal);
}

.nav-previous:hover,
.nav-next:hover {
  border-color: var(--color-accent);
}

.nav-next {
  text-align: right;
}

.nav-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.35rem;
}

.nav-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--color-text);
}

/* ==========================================================================
   10. SIDEBAR & WIDGETS
   ========================================================================== */

.widget-area {
  position: sticky;
  top: calc(var(--nav-height) + 2rem);
}

.widget {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
}

.widget-title {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border-light);
}

.widget ul li {
  margin-bottom: 0.5rem;
}

.widget ul li a {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4rem 0;
  transition: color var(--transition-fast);
}

.widget ul li a:hover {
  color: var(--color-accent);
}

.widget ul li a .count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  background: var(--color-bg-accent);
  padding: 0.15rem 0.5rem;
  border-radius: var(--border-radius-sm);
}

/* ==========================================================================
   11. CATEGORIES & TAGS
   ========================================================================== */

.archive-header {
  padding: 3rem 0 2rem;
}

.archive-header h1 {
  margin-bottom: 0.5rem;
}

.archive-description {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 600px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag-cloud a {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-bg-accent);
  padding: 0.3rem 0.7rem;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.tag-cloud a:hover {
  color: var(--color-accent);
  background: var(--color-accent-soft);
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 0.35rem;
  margin: 3rem 0;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.pagination a {
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
}

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

.pagination .current {
  background: var(--color-accent);
  color: white;
}

/* ==========================================================================
   12. FOOTER
   ========================================================================== */

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-brand .site-branding {
  margin-bottom: 0.5rem;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  max-width: 280px;
  margin: 0;
}

.footer-col h4 {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.footer-col ul li {
  margin-bottom: 0.5rem;
}

.footer-col ul li a {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--color-border-light);
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   13. UTILITY CLASSES
   ========================================================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }
.text-center { text-align: center; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

/* ==========================================================================
   14. ANIMATIONS & TRANSITIONS
   ========================================================================== */

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger-children > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children > *:nth-child(6) { transition-delay: 0.3s; }
.stagger-children > *:nth-child(7) { transition-delay: 0.35s; }
.stagger-children > *:nth-child(8) { transition-delay: 0.4s; }

/* Chord strum animation */
@keyframes strum {
  0% { transform: translateX(0); }
  25% { transform: translateX(2px); }
  75% { transform: translateX(-2px); }
  100% { transform: translateX(0); }
}

.chord-diagram.playing .chord-fretboard {
  animation: strum 0.15s ease 3;
}

/* ==========================================================================
   14b. FOCUS & ACCESSIBILITY
   ========================================================================== */

/* Focus-visible for keyboard users */
.chord-diagram:focus-visible,
.chord-badge:focus-visible,
.btn:focus-visible,
.header-action-btn:focus-visible,
.quick-link:focus-visible,
.chord-selector-btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Remove outline for mouse users */
.chord-diagram:focus:not(:focus-visible),
.chord-badge:focus:not(:focus-visible),
.btn:focus:not(:focus-visible),
.header-action-btn:focus:not(:focus-visible),
.quick-link:focus:not(:focus-visible),
.chord-selector-btn:focus:not(:focus-visible) {
  outline: none;
}

/* Song directory filter form */
.song-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 2rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-bg-accent);
  border-radius: var(--border-radius);
}

.song-filters select {
  flex: 1;
  min-width: 140px;
  padding: 0.6rem 1rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background: var(--color-bg-card);
  color: var(--color-text);
  cursor: pointer;
  min-height: 44px;
}

.song-filters .btn {
  min-height: 44px;
}

/* ==========================================================================
   15. DARK MODE
   ========================================================================== */

/* OS-level dark mode preference */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --color-bg:             #141210;
    --color-bg-card:        #1E1C19;
    --color-bg-accent:      #252320;
    --color-bg-elevated:    #2A2825;
    --color-text:           #F0ECE7;
    --color-text-secondary: #A09B95;
    --color-text-muted:     #706B65;
    --color-accent:         #F06A52;
    --color-accent-soft:    #2D1F1B;
    --color-accent-dark:    #E8553D;
    --color-border:         #2E2C28;
    --color-border-light:   #252320;
    --color-chord-bg:       #F0ECE7;
    --color-chord-text:     #141210;
  }

  :root:not([data-theme="light"]) .site-header {
    background: rgba(20, 18, 16, 0.9);
  }

  :root:not([data-theme="light"]) .chord-fretboard .finger-dot {
    fill: var(--color-text);
  }

  :root:not([data-theme="light"]) .playing .chord-fretboard .finger-dot {
    fill: var(--color-accent);
  }
}

[data-theme="dark"] {
  --color-bg:             #141210;
  --color-bg-card:        #1E1C19;
  --color-bg-accent:      #252320;
  --color-bg-elevated:    #2A2825;
  --color-text:           #F0ECE7;
  --color-text-secondary: #A09B95;
  --color-text-muted:     #706B65;
  --color-accent:         #F06A52;
  --color-accent-soft:    #2D1F1B;
  --color-accent-dark:    #E8553D;
  --color-border:         #2E2C28;
  --color-border-light:   #252320;
  --color-chord-bg:       #F0ECE7;
  --color-chord-text:     #141210;
}

[data-theme="dark"] .site-header {
  background: rgba(20, 18, 16, 0.9);
}

[data-theme="dark"] .chord-fretboard .finger-dot {
  fill: var(--color-text);
}

[data-theme="dark"] .playing .chord-fretboard .finger-dot {
  fill: var(--color-accent);
}

/* ==========================================================================
   16. RESPONSIVE
   ========================================================================== */

@media (max-width: 1024px) {
  .has-sidebar {
    grid-template-columns: 1fr;
  }

  .widget-area {
    position: static;
  }

  .footer-grid {
    flex-wrap: wrap;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 16px;
  }

  .container {
    padding: 0 1.25rem;
  }

  /* Mobile nav */
  .menu-toggle {
    display: flex;
  }

  .main-navigation {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    padding: 1.5rem;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    z-index: 999;
    overflow-y: auto;
  }

  .main-navigation.open {
    transform: translateX(0);
  }

  .main-navigation ul {
    flex-direction: column;
    gap: 0;
  }

  .main-navigation a {
    font-size: 1.1rem;
    padding: 0.85rem 0;
    min-height: 44px;
    border-bottom: 1px solid var(--color-border-light);
    border-radius: 0;
  }

  /* Hero */
  .hero {
    padding: 2.5rem 0 2rem;
    text-align: left;
  }

  .hero .lead {
    margin-left: 0;
  }

  .quick-links {
    justify-content: flex-start;
  }

  /* Grids */
  .instrument-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .footer-grid {
    flex-direction: column;
    gap: 1.5rem;
  }

  /* Entry */
  .entry-header {
    padding: 1.5rem 1.25rem 1.5rem;
  }

  .entry-content {
    padding: 0 1.25rem 3rem;
  }

  .content-area {
    padding: 0 1.25rem;
  }

  /* Post nav */
  .post-navigation {
    grid-template-columns: 1fr;
  }

  /* Chord palette scroll */
  .chord-palette {
    flex-wrap: nowrap;
    justify-content: flex-start;
    padding: 1.25rem;
    gap: 0.75rem;
  }

  /* Song card */
  .song-card {
    flex-direction: column;
    gap: 0.75rem;
  }

  .song-card a {
    flex-direction: column;
    gap: 0.75rem;
  }

  .chord-badges {
    flex-direction: row;
  }
}

@media (max-width: 480px) {
  .instrument-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.65rem;
  }

  .instrument-card {
    padding: 1rem;
  }

  .hero-search input[type="search"] {
    padding: 0.85rem 1.25rem 0.85rem 2.5rem;
    font-size: 0.9rem;
  }
}

/* Admin widget & meta box styles */
.cs-widget-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

.cs-widget-stat {
  font-size: 24px;
  color: var(--color-accent, #E8553D);
}

.cs-widget-heading {
  margin: 12px 0 6px;
}

.cs-widget-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.cs-widget-list li {
  display: flex;
  justify-content: space-between;
  padding: 3px 0;
}

.cs-widget-count {
  color: #999;
  font-family: var(--font-mono, monospace);
}

.cs-preview-empty {
  color: #999;
}

.cs-preview-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

/* Print styles */
@media print {
  .site-header,
  .reading-progress,
  .header-actions,
  .site-footer,
  .chord-play-label {
    display: none !important;
  }

  body {
    background: white;
    color: black;
    font-size: 12pt;
  }

  .chord-fretboard .finger-dot {
    fill: black !important;
  }
}