/* ==========================================================================
   Aves & Echoes — Design System & Custom Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens & Root Variables
   -------------------------------------------------------------------------- */
:root {
  /* Color Palettes (Nature / Deep Forest Green & Warm Sand-Gold) */
  --bg-main: hsl(155, 40%, 7%);
  --bg-gradient: linear-gradient(135deg, hsl(155, 45%, 6%) 0%, hsl(155, 30%, 10%) 100%);
  --surface-main: hsl(155, 30%, 12%);
  --surface-card: hsl(155, 25%, 15%);
  --surface-glass: rgba(15, 40, 30, 0.65);
  --border-glass: rgba(212, 163, 115, 0.15);
  --border-light: rgba(255, 255, 255, 0.08);
  
  --accent: hsl(32, 55%, 64%);
  --accent-light: hsl(32, 60%, 72%);
  --accent-dark: hsl(32, 45%, 45%);
  --accent-rgb: 212, 163, 115;
  
  --text-main: hsl(40, 20%, 90%);
  --text-muted: hsl(155, 12%, 68%);
  --text-dark: hsl(155, 40%, 15%);
  
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
  
  --header-height-full: 90px;
  --header-height-shrunk: 65px;
  --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Light Mode Overrides */
html[data-theme="light"] {
  --bg-main: hsl(155, 15%, 93%);
  --bg-gradient: linear-gradient(135deg, hsl(155, 20%, 95%) 0%, hsl(155, 10%, 89%) 100%);
  --surface-main: hsl(155, 20%, 97%);
  --surface-card: hsl(0, 0%, 100%);
  --surface-glass: rgba(255, 255, 255, 0.75);
  --border-glass: rgba(15, 40, 30, 0.12);
  --border-light: rgba(0, 0, 0, 0.08);
  
  --accent: hsl(155, 45%, 22%);
  --accent-light: hsl(155, 30%, 30%);
  --accent-dark: hsl(155, 50%, 12%);
  
  --text-main: hsl(155, 45%, 12%);
  --text-muted: hsl(155, 15%, 40%);
  --text-dark: hsl(155, 10%, 98%);
  
  --shadow-sm: 0 4px 6px -1px rgba(15, 40, 30, 0.08), 0 2px 4px -1px rgba(15, 40, 30, 0.04);
  --shadow-md: 0 10px 15px -3px rgba(15, 40, 30, 0.12), 0 4px 6px -2px rgba(15, 40, 30, 0.08);
  --shadow-lg: 0 20px 25px -5px rgba(15, 40, 30, 0.16), 0 10px 10px -5px rgba(15, 40, 30, 0.12);
}

/* --------------------------------------------------------------------------
   2. Reset & Core Page Elements
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg-gradient);
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  padding-top: var(--header-height-full); /* Offset for fixed header */
  transition: background-color 0.4s ease, color 0.4s ease;
  -webkit-font-smoothing: antialiased;
}

/* Typography Custom Rules */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Playfair Display', serif;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text-main);
}

p {
  font-weight: 300;
  font-size: 1.05rem;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

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

/* --------------------------------------------------------------------------
   3. Custom Layout Shell & Grid Structures
   -------------------------------------------------------------------------- */
.content-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 1.5rem;
}

.app-view {
  animation: fadeIn 0.5s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

.hidden {
  display: none !important;
}

/* Global Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scrollbar customization */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: var(--surface-card);
  border: 2px solid var(--bg-main);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* Glassmorphism Class */
.glass-panel {
  background: var(--surface-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-md);
  border-radius: 16px;
  transition: var(--transition-smooth);
}

/* --------------------------------------------------------------------------
   4. Shrinking Header on Scroll (Scroll-Driven & Fallback Styles)
   -------------------------------------------------------------------------- */
#main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height-full);
  z-index: 1000;
  background: rgba(var(--accent-rgb), 0.02);
  border-bottom: 1px solid transparent;
  transition: height 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), 
              background-color 0.4s ease, 
              border-color 0.4s ease, 
              box-shadow 0.4s ease;
}

.header-container {
  max-width: 1300px;
  height: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Logo Design */
.logo-link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-main);
}
.logo-icon {
  width: 42px;
  height: 42px;
  transition: var(--transition-bounce);
}
.logo-link:hover .logo-icon {
  transform: scale(1.15) rotate(-10deg);
}

/* Navigation Buttons */
.nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}
.nav-btn {
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.6rem 1.2rem;
  border-radius: 30px;
  position: relative;
  transition: var(--transition-smooth);
}
.nav-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition-smooth);
  transform: translateX(-50%);
}
.nav-btn:hover {
  color: var(--accent);
}
.nav-btn:hover::after {
  width: 40%;
}
.nav-btn.active {
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
}
.nav-btn.active::after {
  width: 60%;
}

/* Header Controls & Theme Button */
.control-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-glass);
  background: var(--surface-glass);
  transition: var(--transition-bounce);
}
.control-btn:hover {
  transform: rotate(30deg) scale(1.1);
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(var(--accent-rgb), 0.2);
}

/* Theme Icons Toggle Visibility */
.icon-sun, .icon-moon {
  width: 20px;
  height: 20px;
}
html[data-theme="dark"] .icon-moon { display: none; }
html[data-theme="dark"] .icon-sun { display: block; color: var(--accent); }
html[data-theme="light"] .icon-sun { display: none; }
html[data-theme="light"] .icon-moon { display: block; color: var(--accent); }

/* Scroll timeline native support styling */
@supports ((animation-timeline: scroll()) and (animation-range: 0% 100%)) {
  @keyframes shrinkHeader {
    to {
      height: var(--header-height-shrunk);
      background-color: var(--surface-glass);
      backdrop-filter: blur(25px);
      -webkit-backdrop-filter: blur(25px);
      border-bottom-color: var(--border-glass);
      box-shadow: var(--shadow-md);
    }
  }

  #main-header {
    animation: shrinkHeader auto linear both;
    animation-timeline: scroll(block root);
    animation-range: 0px 120px;
  }
}

/* JS Fallback class (when native scroll-driven animations are missing e.g. Firefox) */
#main-header.shrunk {
  height: var(--header-height-shrunk);
  background-color: var(--surface-glass);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border-bottom: 1px solid var(--border-glass);
  box-shadow: var(--shadow-md);
}

/* --------------------------------------------------------------------------
   5. Hero Section (Parallax & Glass Design)
   -------------------------------------------------------------------------- */
#hero-banner {
  height: 80vh;
  min-height: 550px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-image: url('images/sightings_placeholder.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed; /* Parallax effect */
  overflow: hidden;
  margin-top: calc(-1 * var(--header-height-full));
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, 
    rgba(15, 40, 30, 0.45) 0%, 
    rgba(15, 40, 30, 0.85) 70%, 
    var(--bg-main) 100%
  );
}

html[data-theme="light"] .hero-overlay {
  background: linear-gradient(to bottom, 
    rgba(255, 255, 255, 0.4) 0%, 
    rgba(255, 255, 255, 0.85) 75%, 
    var(--bg-main) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
  padding: 0 2rem;
  margin-top: 50px;
  animation: fadeIn 1.2s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

.hero-subtitle {
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 4px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1rem;
  display: inline-block;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: -0.5px;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

html[data-theme="light"] .hero-title {
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 2.5rem;
  font-weight: 300;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

.hero-cta {
  padding: 0.9rem 2.2rem;
  font-weight: 600;
  border-radius: 50px;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  transition: var(--transition-bounce);
  box-shadow: var(--shadow-sm);
}

.hero-cta:not(.outline) {
  background: var(--accent);
  color: var(--bg-main);
}
.hero-cta:not(.outline):hover {
  background: var(--accent-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.hero-cta.outline {
  border: 2px solid var(--accent);
  color: var(--accent);
}
.hero-cta.outline:hover {
  background: rgba(var(--accent-rgb), 0.1);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.7;
}

.scroll-mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  position: relative;
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  background-color: var(--accent);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 1.5s infinite ease-in-out;
}

@keyframes scrollWheel {
  0% { transform: translate(-50%, 0); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translate(-50%, 12px); opacity: 0; }
}

.scroll-text {
  font-size: 0.75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   6. Sections General Styles (Header, Categories, Details)
   -------------------------------------------------------------------------- */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
  gap: 2rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
}

/* Filters */
.filter-wrapper {
  display: flex;
  gap: 0.8rem;
  background: var(--surface-main);
  padding: 0.4rem;
  border-radius: 40px;
  border: 1px solid var(--border-light);
}

.filter-btn {
  padding: 0.6rem 1.4rem;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-smooth);
}
.filter-btn:hover {
  color: var(--accent);
}
.filter-btn.active {
  background: var(--surface-card);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(var(--accent-rgb), 0.15);
}

/* --------------------------------------------------------------------------
   7. Blog Chronicles Grid & Dynamic Rendering
   -------------------------------------------------------------------------- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2.5rem;
}

.blog-card {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: 20px;
  overflow: hidden;
  height: 520px;
}
.blog-card:hover {
  transform: translateY(-8px);
  border-color: rgba(var(--accent-rgb), 0.3);
  box-shadow: var(--shadow-lg);
}

.blog-card-img-wrapper {
  height: 240px;
  position: relative;
  overflow: hidden;
}
.blog-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.blog-card:hover .blog-card-img {
  transform: scale(1.08);
}
.blog-card-tag {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: rgba(15, 40, 30, 0.85);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: 1px solid var(--border-glass);
  color: var(--accent);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.blog-card-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-card-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  gap: 1.2rem;
  margin-bottom: 0.8rem;
}
.blog-card-meta span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.blog-card-meta svg {
  width: 14px;
  height: 14px;
}

.blog-card-title {
  font-size: 1.5rem;
  margin-bottom: 0.8rem;
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: var(--transition-smooth);
}
.blog-card:hover .blog-card-title {
  color: var(--accent);
}

.blog-card-excerpt {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-light);
  padding-top: 1.2rem;
}

.author-block {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.author-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--surface-main);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
}
.author-name {
  font-size: 0.85rem;
  font-weight: 500;
}

.read-more-link {
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--accent);
}
.read-more-link svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}
.blog-card:hover .read-more-link svg {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   8. View Transitions Custom Configurations
   -------------------------------------------------------------------------- */
/* Establish View Transition Names dynamically in JS to prevent DOM errors.
   However, we configure the transitions styling behavior in CSS. */

::view-transition-old(article-view),
::view-transition-new(article-view) {
  height: 100%;
}

/* Morph transition sizing adjustments */
::view-transition-old(article-title),
::view-transition-new(article-title) {
  width: fit-content;
}

/* Smooth motion rules */
@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*),
  ::view-transition-old(*),
  ::view-transition-new(*) {
    animation: none !important;
  }
}

/* --------------------------------------------------------------------------
   9. Article Detail View (Fully dynamic structure inside app.js)
   -------------------------------------------------------------------------- */
.article-detail-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.detail-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-muted);
  width: fit-content;
  padding: 0.6rem 1.2rem;
  border-radius: 30px;
  border: 1px solid var(--border-light);
  background: var(--surface-main);
  transition: var(--transition-smooth);
}
.detail-back-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(var(--accent-rgb), 0.05);
}
.detail-back-btn svg {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
}
.detail-back-btn:hover svg {
  transform: translateX(-4px);
}

.detail-header-panel {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.detail-category {
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 2px;
}

.detail-title {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.15;
}

.detail-meta-wrapper {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  align-items: center;
  font-size: 0.9rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 1.5rem;
}

.detail-hero-img-wrapper {
  height: 480px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.detail-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.detail-body-wrapper {
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  gap: 4rem;
}

.detail-text-content {
  font-size: 1.1rem;
  font-weight: 300;
  line-height: 1.8;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.detail-text-content p:first-of-type {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--text-main);
  font-weight: 400;
}

/* Elegant callout inside details */
.detail-callout {
  border-left: 4px solid var(--accent);
  padding: 1.5rem 2rem;
  background: var(--surface-main);
  border-radius: 0 16px 16px 0;
  font-style: italic;
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  margin: 1.5rem 0;
}

.detail-sidebar {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.sidebar-card {
  padding: 2rem;
}
.sidebar-card h4 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 0.6rem;
}

.species-facts-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  font-size: 0.95rem;
}
.species-facts-list li {
  display: flex;
  justify-content: space-between;
}
.species-facts-list span:first-child {
  color: var(--text-muted);
  font-weight: 400;
}
.species-facts-list span:last-child {
  font-weight: 500;
}

/* Responsiveness for Detail Layout */
@media (max-width: 900px) {
  .detail-body-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .detail-title {
    font-size: 2.2rem;
  }
  .detail-hero-img-wrapper {
    height: 320px;
  }
}

/* --------------------------------------------------------------------------
   10. Field Guide Directory, Soundboards & Waves
   -------------------------------------------------------------------------- */
.search-bar-container {
  position: relative;
  display: flex;
  align-items: center;
  max-width: 400px;
  width: 100%;
}
.search-icon {
  position: absolute;
  left: 1.2rem;
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  pointer-events: none;
}
#guide-search {
  width: 100%;
  padding: 0.8rem 1.2rem 0.8rem 3rem;
  border-radius: 30px;
  background: var(--surface-main);
  border: 1px solid var(--border-light);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}
#guide-search:focus {
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(var(--accent-rgb), 0.15);
  background: var(--surface-card);
}

.guide-intro-card {
  display: flex;
  gap: 1.5rem;
  padding: 1.8rem;
  margin-bottom: 3rem;
  align-items: center;
}
.intro-icon-box {
  background: rgba(var(--accent-rgb), 0.1);
  padding: 1.2rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.intro-text h3 {
  font-size: 1.25rem;
  margin-bottom: 0.4rem;
}
.intro-text p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

@media (max-width: 700px) {
  .guide-intro-card {
    flex-direction: column;
    text-align: center;
    padding: 1.5rem;
  }
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.guide-card {
  border-radius: 20px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 440px;
}
.guide-card:hover {
  border-color: rgba(var(--accent-rgb), 0.25);
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.guide-img-wrapper {
  height: 200px;
  position: relative;
  overflow: hidden;
}
.guide-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.guide-card:hover .guide-img {
  transform: scale(1.05);
}

/* Floating Audio play button overlay */
.guide-audio-btn {
  position: absolute;
  bottom: 1rem;
  right: 1rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg-main);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition-bounce);
  z-index: 5;
}
.guide-audio-btn:hover {
  transform: scale(1.1);
  background: var(--accent-light);
  box-shadow: 0 0 15px rgba(var(--accent-rgb), 0.4);
}
.guide-audio-btn svg {
  width: 22px;
  height: 22px;
}

.guide-card-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.guide-card-header {
  margin-bottom: 0.8rem;
}
.guide-latin {
  font-size: 0.8rem;
  font-style: italic;
  color: var(--text-muted);
}
.guide-card-header h3 {
  font-size: 1.4rem;
  margin-top: 0.2rem;
}

.guide-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem 1rem;
  font-size: 0.85rem;
  border-top: 1px solid var(--border-light);
  padding-top: 0.8rem;
  margin-top: auto;
}
.guide-stats span {
  display: flex;
  flex-direction: column;
}
.guide-stats span .label {
  color: var(--text-muted);
  font-size: 0.75rem;
}
.guide-stats span .val {
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   11. Sighting Journal & Storage Integration
   -------------------------------------------------------------------------- */
.add-sighting-btn {
  padding: 0.8rem 1.6rem;
  border-radius: 40px;
  font-weight: 600;
  font-size: 0.95rem;
  background: var(--accent);
  color: var(--bg-main);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: var(--transition-bounce);
  box-shadow: var(--shadow-sm);
}
.add-sighting-btn:hover {
  background: var(--accent-light);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.sightings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

/* Journal Entry Card */
.sighting-card {
  border-radius: 20px;
  display: flex;
  flex-direction: column;
  height: 420px;
  overflow: hidden;
  animation: fadeIn 0.4s ease forwards;
}

.sighting-card:hover {
  transform: translateY(-5px);
  border-color: rgba(var(--accent-rgb), 0.25);
  box-shadow: var(--shadow-lg);
}

.sighting-img-wrapper {
  height: 180px;
  position: relative;
  overflow: hidden;
  background: var(--surface-main);
}
.sighting-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sighting-delete-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(15, 40, 30, 0.8);
  border: 1px solid var(--border-glass);
  color: hsl(0, 80%, 60%);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-smooth);
}
.sighting-card:hover .sighting-delete-btn {
  opacity: 1;
}
.sighting-delete-btn:hover {
  background: hsl(0, 80%, 55%);
  color: #fff;
  transform: scale(1.1);
}
.sighting-delete-btn svg {
  width: 18px;
  height: 18px;
}

.sighting-content {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.sighting-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  gap: 1rem;
  margin-bottom: 0.5rem;
}
.sighting-meta span {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.sighting-meta svg {
  width: 12px;
  height: 12px;
}

.sighting-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.sighting-notes {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-weight: 300;
}

/* Empty State Card */
.empty-state-card {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 4rem 2rem;
  gap: 1.5rem;
  max-width: 600px;
  margin: 2rem auto 0;
}

.empty-img-wrapper {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid rgba(var(--accent-rgb), 0.2);
  box-shadow: var(--shadow-md);
}
.empty-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.empty-state-card h3 {
  font-size: 1.5rem;
}
.empty-state-card p {
  color: var(--text-muted);
  max-width: 400px;
}

.btn-empty-action {
  padding: 0.75rem 1.8rem;
  background: var(--accent);
  color: var(--bg-main);
  font-weight: 600;
  border-radius: 30px;
  transition: var(--transition-bounce);
}
.btn-empty-action:hover {
  transform: translateY(-2px);
  background: var(--accent-light);
}

/* --------------------------------------------------------------------------
   12. Floating Audio Player Widget
   -------------------------------------------------------------------------- */
.audio-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  border-color: rgba(var(--accent-rgb), 0.25);
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes slideUp {
  from { transform: translateY(40px) scale(0.9); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

.widget-bird-photo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-size: cover;
  background-position: center;
  border: 2px solid var(--accent);
}

.widget-info {
  display: flex;
  flex-direction: column;
}
.widget-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  font-weight: 600;
}
.widget-title {
  font-size: 0.95rem;
  font-weight: 500;
}

.widget-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-left: 1px solid var(--border-light);
  padding-left: 1rem;
}

.widget-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg-main);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-bounce);
}
.widget-btn:hover {
  transform: scale(1.1);
  background: var(--accent-light);
}
.widget-btn svg {
  width: 14px;
  height: 14px;
}

/* Audio pulse wave micro-animation styling */
.audio-waves {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 18px;
  width: 25px;
}
.audio-waves span {
  display: inline-block;
  width: 3px;
  background-color: var(--accent);
  border-radius: 3px;
  animation: bounceWaves 1s ease infinite alternate;
}
.audio-waves span:nth-child(1) { height: 35%; animation-delay: -0.2s; }
.audio-waves span:nth-child(2) { height: 60%; animation-delay: -0.4s; }
.audio-waves span:nth-child(3) { height: 90%; animation-delay: -0.1s; }
.audio-waves span:nth-child(4) { height: 40%; animation-delay: -0.3s; }

@keyframes bounceWaves {
  0% { transform: scaleY(0.3); }
  100% { transform: scaleY(1); }
}

/* --------------------------------------------------------------------------
   13. Form Inputs & Dialog Modal
   -------------------------------------------------------------------------- */
.modal-dialog {
  margin: auto;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-lg);
  max-width: 650px;
  width: 90%;
  animation: modalIn 0.4s cubic-bezier(0.25, 0.8, 0.25, 1) forwards;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-dialog::backdrop {
  background: rgba(15, 40, 30, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

html[data-theme="light"] .modal-dialog::backdrop {
  background: rgba(15, 40, 30, 0.45);
}

.dialog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-light);
  padding: 1.5rem 2rem;
}
.dialog-header h3 {
  font-size: 1.5rem;
}

.dialog-close-btn {
  color: var(--text-muted);
  transition: var(--transition-bounce);
}
.dialog-close-btn:hover {
  color: var(--accent);
  transform: scale(1.1);
}

.sighting-form {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 600px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
}
.form-group .required {
  color: hsl(0, 80%, 60%);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  background: var(--surface-main);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  transition: var(--transition-smooth);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 10px rgba(var(--accent-rgb), 0.12);
  background: var(--surface-card);
}

/* User-valid styles matching standard practices */
.form-group input:user-valid:not(:placeholder-shown),
.form-group textarea:user-valid:not(:placeholder-shown) {
  border-color: hsl(140, 50%, 45%);
}

.form-group input:user-invalid:not(:placeholder-shown) {
  border-color: hsl(0, 80%, 60%);
}

.error-msg {
  display: none;
  font-size: 0.75rem;
  color: hsl(0, 80%, 60%);
}

/* Dynamic custom upload preview styling */
.file-drop-zone {
  position: relative;
  border: 2px dashed var(--border-glass);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: var(--transition-smooth);
  cursor: pointer;
  overflow: hidden;
}
.file-drop-zone:hover {
  border-color: var(--accent);
  background: rgba(var(--accent-rgb), 0.02);
}
.file-drop-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 2;
}

.drop-zone-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
}
.drop-zone-text svg {
  color: var(--accent);
}

.file-preview-container {
  position: absolute;
  inset: 0;
  background: var(--surface-main);
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
}
.file-preview-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.remove-file-btn {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  background: rgba(0,0,0,0.7);
  color: #fff;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}
.remove-file-btn:hover {
  background: rgba(255,0,0,0.8);
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  border-top: 1px solid var(--border-light);
  padding-top: 1.5rem;
  margin-top: 1rem;
}

.btn-cancel {
  padding: 0.75rem 1.6rem;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid var(--border-light);
  transition: var(--transition-smooth);
}
.btn-cancel:hover {
  background: var(--surface-main);
  color: var(--accent);
}

.btn-submit {
  padding: 0.75rem 1.8rem;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--accent);
  color: var(--bg-main);
  transition: var(--transition-bounce);
}
.btn-submit:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   14. Footer Layout
   -------------------------------------------------------------------------- */
footer {
  background: var(--surface-main);
  border-top: 1px solid var(--border-glass);
  padding: 4rem 2rem 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 2fr;
  gap: 4rem 2rem;
}

@media (max-width: 768px) {
  .footer-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: 'Playfair Display', serif;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-main);
}
.footer-logo svg {
  width: 32px;
  height: 32px;
}
.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.5;
  font-weight: 300;
}

.footer-links-group {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.footer-links-group h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.footer-links-group ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.footer-link-btn {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: left;
  transition: var(--transition-smooth);
}
.footer-link-btn:hover {
  color: var(--accent);
  padding-left: 4px;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.footer-meta h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
}
.footer-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.badge {
  background: var(--surface-card);
  border: 1px solid var(--border-light);
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-main);
}
.copyright {
  font-size: 0.75rem;
  line-height: 1.6;
  border-top: 1px solid var(--border-light);
  padding-top: 1rem;
  margin-top: auto;
}

/* ==========================================================================
   15. Owner Publishing Companion Styles (Git-as-a-CMS Modal)
   ========================================================================== */
.cms-modal-tabs {
  display: flex;
  background: var(--surface-main);
  border-bottom: 1px solid var(--border-light);
  padding: 0 2rem;
  gap: 0.2rem;
}

.cms-tab-btn {
  padding: 1rem 1.5rem;
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  transition: var(--transition-smooth);
}

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

.cms-tab-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Adjust quad text layout columns in form rows */
@media (min-width: 600px) {
  .text-quad-fields {
    grid-template-columns: repeat(4, 1fr) !important;
    gap: 1rem !important;
  }
}

@media (max-width: 600px) {
  .text-quad-fields {
    grid-template-columns: 1fr !important;
  }
}

/* Success Banner inside Output Screen */
.cms-success-banner {
  display: flex;
  gap: 1.2rem;
  padding: 1.2rem 1.8rem;
  background: rgba(46, 117, 89, 0.1);
  border-color: rgba(46, 117, 89, 0.25);
  margin-bottom: 1.5rem;
  border-radius: 12px;
  align-items: center;
}

html[data-theme="light"] .cms-success-banner {
  background: rgba(46, 117, 89, 0.08);
  border-color: rgba(46, 117, 89, 0.2);
}

.success-icon-box {
  background: rgba(46, 117, 89, 0.15);
  padding: 0.6rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.success-text h4 {
  font-size: 1.1rem;
  color: hsl(140, 55%, 65%);
  margin-bottom: 0.2rem;
}

html[data-theme="light"] .success-text h4 {
  color: hsl(140, 50%, 30%);
}

.success-text p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Step-by-Step Instruction lists */
.cms-instructions-box {
  padding: 1.8rem;
  background: var(--surface-card);
  margin-bottom: 1.5rem;
}

.cms-instructions-box h4 {
  font-size: 1.05rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 0.5rem;
}

.cms-instructions-list {
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.cms-instructions-list li {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-main);
}

.cms-instructions-list li strong {
  color: var(--accent);
}

.cms-instructions-list li p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
  font-weight: 300;
}

.cms-instructions-list code,
.filepath {
  font-family: 'Courier New', Courier, monospace;
  background: var(--surface-main);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--accent);
}

/* Copy box container details */
.code-output-group {
  margin-top: 1.5rem;
}

.code-output-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.btn-copy-code {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  transition: var(--transition-bounce);
}

.btn-copy-code:hover {
  background: var(--accent);
  color: var(--bg-main);
}

.btn-copy-code.copied {
  background: hsl(140, 50%, 45%) !important;
  color: #fff !important;
}

/* Animations for dialog swapping content screens */
.cms-form-panel {
  animation: fadeIn 0.4s ease forwards;
}

/* Production Safeguard - Hide interactive owner tools on the live website */
.production-mode #hero-cta-log,
.production-mode #btn-open-sighting-modal,
.production-mode .sighting-delete-btn {
  display: none !important;
}