/*--------------------------------------------------------------
  1. ROOT VARIABLES
--------------------------------------------------------------*/
:root {
  --font-family: "Montserrat", sans-serif;
  --btn-text-hover: #0085ff;
  --bg: #ffffff;
  --text: #111;
  --btn-disabled-bg: #e0e0e0;
  --btn-disabled-color: #9e9e9e;
  --btn-bg: #e0e0e0;
  --btn-bg-hover: #d4d4d4;
  --accent: #0085ff;
  --footer-bg: #f3f3f3;
  --scroll-behavior: smooth;
  --hover-scale: 1.1;
  transition-property: background-color, color, border-color, box-shadow;
  transition-duration: 0.45s;
  transition-timing-function: cubic-bezier(0.44, 1.9, 0.4, 0.8);
  --popular-grid-max-width: calc(
    (var(--book-btn-width) * 3) + (var(--book-btn-gap) * 2) +
      var(--book-grid-padding) * 2
  );
  --book-btn-width: 11em;
  --book-btn-gap: 1.2rem;
  --book-grid-padding: 2.4rem;
  --book-grid-max-width: calc(
    (var(--book-btn-width) * 5) + (var(--book-btn-gap) * 4) +
      var(--book-grid-padding) * 2
  );
  --chapter-btn-width: 3.6em;
  --chapter-btn-gap: 1.2rem;
  --chapter-grid-padding: 2.4rem;
  --chapter-grid-max-width: calc(
    (var(--chapter-btn-width) * 10) + (var(--chapter-btn-gap) * 9) +
      var(--chapter-grid-padding) * 2
  );

  /* Default gradient variables */
  --header-gradient: linear-gradient(105deg, #1e40af 0%, #2563eb 100%);
  --header-gradient-reversed: linear-gradient(105deg, #2563eb 0%, #1e40af 100%);
  --nav-panel-gradient: var(--header-gradient-reversed);
  --face-panel-gradient: var(--header-gradient-reversed);
  --gear-panel-gradient: var(--header-gradient-reversed);
}

/*--------------------------------------------------------------
  2. THEME OVERRIDES
--------------------------------------------------------------*/
[data-theme="light"] {
  --bg: #ffffff;
  --text: #111;
  --jesus-words-color: #e63312; /* brightness-matched to #4880e8 */
  --spirit-words-color: #4880e8; /* consistent blue for light mode */
}
[data-theme="dark"] {
  --bg: #000000;
  --text: #f5f5f5;
  --jesus-words-color: #ff6b6b; /* lighter red for dark mode - matches brightness of 60b2ff */
  --spirit-words-color: #60b2ff; /* lighter blue for dark mode */
}

/*--------------------------------------------------------------
  2b. TRANSITION ON BODY AND MAJOR ELEMENTS
  Enable only after page load (via .transitions-enabled)
--------------------------------------------------------------*/
body,
.fixed-header,
.chapter-page,
.bible-index,
footer.site-footer {
  transition: none;
}
body.transitions-enabled,
body.transitions-enabled .fixed-header,
body.transitions-enabled .popular-index,
body.transitions-enabled .book-index,
body.transitions-enabled .chapter-page,
body.transitions-enabled .chapter-index,
body.transitions-enabled footer.site-footer {
  transition-property: background-color, color, border-color, box-shadow;
  transition-duration: 0.45s;
  transition-timing-function: cubic-bezier(0.44, 1.9, 0.4, 0.8);
}

/*--------------------------------------------------------------
  3. COLOR SCHEMES (including footer-bg)
--------------------------------------------------------------*/
/* Fire */
[data-color="fire"] {
  --btn-bg: #ffae42;
  --btn-bg-hover: #ff6b1a;
  --btn-text-hover: #ff6b1a;
  --accent: #ff6b1a;
  --inset-color: #fff6e5;
  --option-text-bg: #ffe8c4; /* richer than inset-color */
  --btn-disabled-bg: #e6e2de;
  --btn-disabled-color: #a39b92;
  --footer-bg: #fff9ed; /* lighter, desaturated orange */

  --header-gradient: linear-gradient(
    105deg,
    #f60919 0%,
    #ff6b1a 50%,
    #ffae42 100%
  );
  --header-gradient-reversed: linear-gradient(
    105deg,
    #ffae42 0%,
    #ff6b1a 50%,
    #f60919 100%
  );
  --nav-panel-gradient: var(--header-gradient-reversed);
  --face-panel-gradient: var(--header-gradient-reversed);
  --gear-panel-gradient: var(--header-gradient-reversed);
}
[data-theme="dark"][data-color="fire"] {
  --btn-bg: #ff6b1a;
  --btn-bg-hover: #ffae42;
  --btn-text-hover: #ffae42;
  --accent: #ffae42;
  --inset-color: #32130f;
  --option-text-bg: #4a1f16; /* richer than inset-color */
  --btn-disabled-bg: #332e2b;
  --btn-disabled-color: #a7927c;
  --footer-bg: #231510; /* darker, more desaturated */
}
[data-color="fire"] .fixed-header {
  background: var(--header-gradient);
}

/* Sky */
[data-color="sky"] {
  --btn-bg: #60b2ff;
  --btn-bg-hover: #0085ff;
  --btn-text-hover: #0085ff;
  --accent: #0085ff;
  --inset-color: #eaf6ff;
  --option-text-bg: #cce7ff; /* richer than inset-color */
  --btn-disabled-bg: #d4dbe0;
  --btn-disabled-color: #8fa1b3;
  --footer-bg: #f5faff; /* lighter, more desaturated than inset-color */

  --header-gradient: linear-gradient(105deg, #1e40af 0%, #2563eb 100%);
  --header-gradient-reversed: linear-gradient(105deg, #2563eb 0%, #1e40af 100%);
  --nav-panel-gradient: var(--header-gradient-reversed);
  --face-panel-gradient: var(--header-gradient-reversed);
  --gear-panel-gradient: var(--header-gradient-reversed);
}
[data-theme="dark"][data-color="sky"] {
  --btn-bg: #1966b3;
  --btn-bg-hover: #60b2ff;
  --btn-text-hover: #1966b3;
  --accent: #60b2ff;
  --inset-color: #152038;
  --option-text-bg: #1f2e4f; /* richer than inset-color */
  --btn-disabled-bg: #2a3440;
  --btn-disabled-color: #6c7a89;
  --footer-bg: #101727; /* darker, more desaturated than inset-color */
}
[data-color="sky"] .fixed-header {
  background: var(--header-gradient);
}

/* Earth */
[data-color="earth"] {
  --btn-bg: #a87b54;
  --btn-bg-hover: #411900;
  --btn-text-hover: #411900;
  --accent: #a87b54;
  --inset-color: #f6ecd9;
  --option-text-bg: #e6d5b3; /* richer than inset-color */
  --btn-disabled-bg: #dad7d3;
  --btn-disabled-color: #939089;
  --footer-bg: #f8f3e6; /* lighter, desaturated cream */

  --header-gradient: linear-gradient(105deg, #411900 0%, #a87b54 100%);
  --header-gradient-reversed: linear-gradient(105deg, #a87b54 0%, #411900 100%);
  --nav-panel-gradient: var(--header-gradient-reversed);
  --face-panel-gradient: var(--header-gradient-reversed);
  --gear-panel-gradient: var(--header-gradient-reversed);
}
[data-theme="dark"][data-color="earth"] {
  --btn-bg: #683210;
  --btn-bg-hover: #a87b54;
  --btn-text-hover: #a87b54;
  --accent: #a87b54;
  --inset-color: #1d0e03;
  --option-text-bg: #2d1607; /* richer than inset-color */
  --btn-disabled-bg: #2b2621;
  --btn-disabled-color: #8d7c6c;
  --footer-bg: #120903; /* darker, more desaturated */
}
[data-color="earth"] .fixed-header {
  background: var(--header-gradient);
}

/* Rose */
[data-color="rose"] {
  --btn-bg: #fcbfdd;
  --btn-bg-hover: #ce6fa7;
  --btn-text-hover: #e67bbd;
  --accent: #ce6fa7;
  --inset-color: #ffe5f2;
  --option-text-bg: #ffe5f2; /* richer than inset-color */
  --btn-disabled-bg: #e6e2e6;
  --btn-disabled-color: #a39ba3;
  --footer-bg: #fff1f8; /* lighter, more desaturated than inset */

  --header-gradient: linear-gradient(105deg, #ce6fa7 0%, #fdc3e0 100%);
  --header-gradient-reversed: linear-gradient(105deg, #fdc3e0 0%, #ce6fa7 100%);
  --nav-panel-gradient: var(--header-gradient-reversed);
  --face-panel-gradient: var(--header-gradient-reversed);
  --gear-panel-gradient: var(--header-gradient-reversed);
}
[data-theme="dark"][data-color="rose"] {
  --btn-bg: #ce6fa7;
  --btn-bg-hover: #fcbfdd;
  --btn-text-hover: #fcbfdd;
  --accent: #ce6fa7;
  --inset-color: #442a38;
  --option-text-bg: #5a3548; /* richer than inset-color */
  --btn-disabled-bg: #322a32;
  --btn-disabled-color: #a398a3;
  --footer-bg: #2b222a; /* darker, more desaturated than inset */
}
[data-color="rose"] .fixed-header {
  background: var(--header-gradient);
}

/* Rock */
[data-color="rock"] {
  --btn-bg: #929aab;
  --btn-bg-hover: #6d7380;
  --btn-text-hover: #55627a;
  --accent: #374151;
  --inset-color: #eceff1;
  --option-text-bg: #d4dade; /* richer than inset-color */
  --btn-disabled-bg: #e0e0e0;
  --btn-disabled-color: #909ba7;
  --footer-bg: #f4f6f8; /* lighter, desaturated gray-blue */

  --header-gradient: linear-gradient(105deg, #374151 0%, #6b7280 100%);
  --header-gradient-reversed: linear-gradient(105deg, #6b7280 0%, #374151 100%);
  --nav-panel-gradient: var(--header-gradient-reversed);
  --face-panel-gradient: var(--header-gradient-reversed);
  --gear-panel-gradient: var(--header-gradient-reversed);
}
[data-theme="dark"][data-color="rock"] {
  --btn-bg: #374151;
  --btn-bg-hover: #555e6f;
  --btn-text-hover: #7e8698;
  --accent: #7c818a;
  --inset-color: #1e2226;
  --option-text-bg: #2a2f35; /* richer than inset-color */
  --btn-disabled-bg: #23262a;
  --btn-disabled-color: #59606b;
  --footer-bg: #16181c; /* darker, more desaturated */
}
[data-color="rock"] .fixed-header {
  background: var(--header-gradient);
}

/* Rainbow */
[data-color="rainbow"] {
  --btn-bg: #5676f6;
  --btn-bg-hover: #4f46e5;
  --btn-text-hover: #3730a3;
  --accent: #5676f6;
  --inset-color: #faf7ff;
  --option-text-bg: #ede5ff; /* richer than inset-color */
  --btn-disabled-bg: #e5e7eb;
  --btn-disabled-color: #9ca3af;
  --footer-bg: #fefbff; /* very light violet tint */

  --header-gradient: linear-gradient(
    105deg,
    #ef4444 0%,
    /* red */ #f97316 10%,
    /* orange */ #eab308 20%,
    /* yellow */ #22c55e 45%,
    /* green */ #06b6d4 56%,
    /* cyan */ #3b82f6 70%,
    /* blue */ #8b5cf6 84%,
    /* violet */ #ec4899 100% /* pink */
  );
  --header-gradient-reversed: linear-gradient(
    105deg,
    #ec4899 0%,
    /* pink */ #8b5cf6 16%,
    /* violet */ #3b82f6 30%,
    /* blue */ #06b6d4 44%,
    /* cyan */ #22c55e 55%,
    /* green */ #eab308 80%,
    /* yellow */ #f97316 90%,
    /* orange */ #ef4444 100% /* red */
  );

  /* Independent gradients for rainbow panels */
  --nav-panel-gradient: linear-gradient(
    105deg,
    #ef4444 0%,
    #eab308 100%
  ); /* red to yellow */
  --face-panel-gradient: linear-gradient(
    105deg,
    /* cyan */ #22c55e 0%,
    #06b6d4 50%,
    /* violet */ #3b82f6 100%
  ); /* light green to light blue */
  --gear-panel-gradient: linear-gradient(
    105deg,
    #06b6d4 0%,
    #8b5cf6 100%
  ); /* light blue to purple */
}
[data-theme="dark"][data-color="rainbow"] {
  --btn-bg: #5676f6;
  --btn-bg-hover: #6366f1;
  --btn-text-hover: #818cf8;
  --accent: #6366f1;
  --inset-color: #1e1b3a;
  --option-text-bg: #2a254f; /* richer than inset-color */
  --btn-disabled-bg: #374151;
  --btn-disabled-color: #6b7280;
  --footer-bg: #0f0a1a; /* very dark violet tint */
}
[data-color="rainbow"] .fixed-header {
  background: var(--header-gradient);
}

/*--------------------------------------------------------------
  4. FONT FAMILY SELECTOR
--------------------------------------------------------------*/
[data-font="alegreya"] {
  --font-family: "Alegreya", serif;
}
[data-font="inter"] {
  --font-family: "Inter", sans-serif;
}
[data-font="karla"] {
  --font-family: "Karla", sans-serif;
}
[data-font="lora"] {
  --font-family: "Lora", serif;
}
[data-font="merriweather"] {
  --font-family: "Merriweather", serif;
}
[data-font="montserrat"] {
  --font-family: "Montserrat", sans-serif;
}
[data-font="poppins"] {
  --font-family: "Poppins", sans-serif;
}

/*--------------------------------------------------------------
  5. BASE ELEMENTS
--------------------------------------------------------------*/
* {
  box-sizing: border-box;
  scroll-behavior: var(--scroll-behavior);
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
}

html,
body {
  height: 100%;
  min-width: 320px;
  /* Force proper background colors for all themes */
  background-color: var(--bg) !important;
}

main {
  flex: 1;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-family);
  font-size: 1rem;
  background-color: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

/*--------------------------------------------------------------
  6. HEADER & NAVIGATION
--------------------------------------------------------------*/
.fixed-header {
  position: sticky;
  width: 100%;
  min-width: 320px;
  top: 0;
  z-index: 100;
  color: white;
  font-family: var(--font-family);
  font-size: 1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  padding: 1rem 1.2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  height: auto;
  transition: min-height 0.3s, height 0.3s;
}

/* Add after .fixed-header and before .nav-links */
.header-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  /* Match theme toggle style */
  background: none;
  border: none;
  /* padding: 0.5em; */
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.5s, transform 0.3s cubic-bezier(0.44, 1.9, 0.4, 0.8);
  width: 2em;
  height: 2em;
  display: block;
  object-fit: contain;
}
.header-logo:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: scale(var(--hover-scale));
}
.logo-svg {
  width: 2em;
  height: 2em;
  display: block;
  object-fit: contain;
  pointer-events: none;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
}
.nav-links .nav-link {
  background: rgba(255 255 255 / 0.15);
  border: none;
  color: white;
  padding: 0.5em 1em;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  transition: background-color 0.5s ease,
    transform 0.3s cubic-bezier(0.44, 1.9, 0.4, 0.8);
  font-family: var(--font-family);
  font-size: 1rem;
  user-select: none;
  will-change: transform;
}
.nav-links .nav-link:hover {
  background: rgba(255 255 255 / 0.35);
  color: white;
  outline: none;
  transform: scale(var(--hover-scale));
}
.nav-links .nav-link.selected {
  background: rgba(255 255 255 / 0.6);
  color: var(--accent);
  cursor: default;
  font-weight: 700;
  transition: color 0.3s ease;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  font-family: var(--font-family);
  font-size: 1rem;
}

select {
  appearance: none;
  padding: 0.5em 1em;
  border-radius: 10px;
  border: none;
  align-items: center;
  font-family: var(--font-family);
  font-size: 1rem;
  will-change: transform;
  transition: box-shadow 0.5s ease,
    transform 0.3s cubic-bezier(0.44, 1.9, 0.4, 0.8);
  background: #fff;
  color: #111;
  box-shadow: none;
  outline: none;
}
select:hover {
  transform: scale(var(--hover-scale));
  box-shadow: 0 0 0 2px var(--accent);
  outline: none;
  border: none;
}
select:active,
select:focus {
  transform: none;
  outline: none;
  box-shadow: none;
  background: #fff;
  color: #111;
  border: none;
}

.personalization-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  font-family: var(--font-family);
  font-size: 1rem;
}
.personalization-controls input#username {
  padding: 0.5em 1em;
  border-radius: 10px;
  border: none;
  font-size: 1rem;
  font-family: var(--font-family);
  min-width: 100px;
  max-width: 165px;
  transition: box-shadow 0.3s ease,
    transform 0.18s cubic-bezier(0.44, 1.9, 0.4, 0.8);
  will-change: transform;
}
.personalization-controls input#username:focus,
.personalization-controls input#username:active,
.personalization-controls input#username:hover {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent);
  transform: scale(1.06);
}

.toggles {
  display: flex;
  gap: 1.2rem;
}
.toggles .toggle {
  border: none;
  background: rgba(255 255 255 / 0.15);
  color: white;
  padding: 0.5em 1em;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  font-family: var(--font-family);
  font-size: 1rem;
  user-select: none;
  transition: background-color 0.5s ease,
    transform 0.3s cubic-bezier(0.44, 1.9, 0.4, 0.8);
  text-align: center;
  text-decoration: none;
  display: inline-block;
  will-change: transform;
}
.toggles .toggle:hover {
  background: rgba(255 255 255 / 0.35);
  outline: none;
  transform: scale(var(--hover-scale));
}
.toggles .toggle.selected {
  background: white;
  color: var(--accent);
  font-weight: 700;
  cursor: default;
}

.controls {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.version-selector {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.version-selector label {
  font-weight: 500;
  color: #333;
  white-space: nowrap;
}

#version-select {
  appearance: none;
  padding: 0.5em 1em;
  border-radius: 10px;
  border: none;
  font-family: var(--font-family);
  font-size: 1rem;
  background: rgba(255 255 255 / 0.95);
  color: #111;
  cursor: pointer;
  transition: box-shadow 0.3s ease,
    transform 0.18s cubic-bezier(0.44, 1.9, 0.4, 0.8);
  will-change: transform;
  min-width: 180px;
  font-weight: 600;
}

#version-select:hover {
  transform: scale(1.06);
  box-shadow: 0 0 0 2px var(--accent);
}

#version-select:focus,
#version-select:active {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent);
  transform: scale(1.06);
}

#theme-toggle {
  background: none;
  border: none;
  padding: 0.5em;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.5s, transform 0.3s cubic-bezier(0.44, 1.9, 0.4, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  will-change: transform;
}
#theme-toggle:hover {
  background: rgba(0, 0, 0, 0.08);
  outline: none;
  transform: scale(var(--hover-scale));
}
#theme-toggle img {
  width: 2em;
  height: 2em;
  display: block;
  object-fit: contain;
  pointer-events: none;
}

/*--------------------------------------------------------------
  PANEL & RESPONSIVE HEADER ICONS
--------------------------------------------------------------*/

/* Hide icons by default, show only when collapsed via JS+CSS */
.header-icon {
  background: none;
  border: none;
  /* padding: 0.5em; */
  border-radius: 50%;
  cursor: pointer;
  color: white;
  align-items: center;
  justify-content: center;
  transition: background 0.5s, transform 0.3s cubic-bezier(0.44, 1.9, 0.4, 0.8);
  will-change: transform;
}
.header-icon:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: scale(var(--hover-scale));
}
.header-icon img {
  width: 2em;
  height: 2em;
  display: block;
  object-fit: contain;
}

/* Always retain header height when collapsed */
.fixed-header {
  min-height: 72px;
  align-items: center;
  height: auto;
  transition: min-height 0.3s, height 0.3s;
}

/* Hide icons by default, show all at collapsed via media query */
.header-icon {
  display: none;
  background: none;
  border: none;
  padding: 0.5em;
  border-radius: 50%;
  cursor: pointer;
  color: white;
  align-items: center;
  justify-content: center;
  transition: background 0.5s, transform 0.3s cubic-bezier(0.44, 1.9, 0.4, 0.8);
  will-change: transform;
}
.header-icon:hover {
  background: rgba(255, 255, 255, 0.15);
}
@media (max-width: 1350px) {
  .header-icon {
    display: flex !important;
    align-items: center;
    justify-content: center;
  }
  .header-logo {
    display: none;
  }
}

/* Gear icon animation */
@keyframes gear-spin {
  0% {
    transform: rotate(0deg);
  }
  80% {
    transform: rotate(-270deg);
  }
  100% {
    transform: rotate(-360deg);
  }
}

/* Hide panels by default */
.header-panel {
  display: none;
  position: absolute;
  top: 100%;
  z-index: 110;
  min-width: 220px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15), 0 1px 6px rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  background: var(--header-gradient-reversed);
  color: white;
  padding: 1.2rem;
}

.shadow {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.21), 0 1px 6px rgba(0, 0, 0, 0.11);
}

/* Panel layout */
.nav-panel {
  left: 0;
  right: auto;
  margin-top: 0.8rem;
  margin-left: 0.8rem;
}
.face-panel {
  left: 50%;
  transform: translateX(-50%);
  margin-top: 0.8rem;
}
.gear-panel {
  right: 0;
  left: auto;
  margin-top: 0.8rem;
  margin-right: 0.8rem;
}

[data-color="sky"] .header-panel {
  background: var(--header-gradient-reversed);
}
[data-color="earth"] .header-panel {
  background: var(--header-gradient-reversed);
}
[data-color="fire"] .header-panel {
  background: var(--header-gradient-reversed);
}
[data-color="rose"] .header-panel {
  background: var(--header-gradient-reversed);
}
[data-color="rock"] .header-panel {
  background: var(--header-gradient-reversed);
}
[data-color="rainbow"] .header-panel {
  background: var(--header-gradient-reversed);
}

/* Rainbow specific panel gradients */
[data-color="rainbow"] .nav-panel {
  background: var(--nav-panel-gradient);
}
[data-color="rainbow"] .face-panel {
  background: var(--face-panel-gradient);
}
[data-color="rainbow"] .gear-panel {
  background: var(--gear-panel-gradient);
}

.header-panel[aria-hidden="false"] {
  display: block;
  opacity: 1;
  pointer-events: auto;
}

.header-panel nav,
.header-panel .controls,
.header-panel .toggles,
.header-panel .personalization-controls {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.header-panel.fade-in {
  animation: fadeInPanel 0.28s cubic-bezier(0.44, 1.9, 0.4, 0.8);
}
.header-panel.slide-in-right {
  animation: slideInRight 0.32s cubic-bezier(0.44, 1.9, 0.4, 0.8);
}
.header-panel.slide-in-left {
  animation: slideInLeft 0.32s cubic-bezier(0.44, 1.9, 0.4, 0.8);
}
.header-panel.slide-in-down {
  animation: slideInDownCentered 0.32s cubic-bezier(0.44, 1.9, 0.4, 0.8);
}
@keyframes slideInDownCentered {
  from {
    opacity: 0;
    transform: translate(-50%, -15%) scaleY(0.9);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0%) scaleY(1);
  }
}

@keyframes fadeInPanel {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30%) scaleY(0.9);
  }
  to {
    opacity: 1;
    transform: translateX(0%) scaleY(1);
  }
}
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30%) scaleY(0.9);
  }
  to {
    opacity: 1;
    transform: translateX(0%) scaleY(1);
  }
}

.sr-only {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

/*--------------------------------------------------------------
  10. HERO & POPULAR SECTIONS
--------------------------------------------------------------*/
.modern-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 3rem;
}
.modern-hero h1 {
  font-size: 2.8rem;
  font-weight: 700;
  margin-bottom: 1.1rem;
  line-height: 1.18;
  color: var(--accent);
}
.modern-hero h2 {
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 1rem;
  color: var(--text);
  opacity: 0.88;
  letter-spacing: 0.02em;
}

/*--------------------------------------------------------------
  11. MAIN CONTENT AREA
--------------------------------------------------------------*/

.popular-index {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--inset-color);
  border-radius: 12px;
  box-sizing: border-box;
  margin: 2rem auto;
  padding: var(--book-grid-padding);
  width: calc(100% - var(--book-grid-padding) * 2);
  max-width: var(--popular-grid-max-width);
}
.popular-index h1 {
  font-size: 2rem;
  color: var(--accent);
  margin-top: 0;
  margin-bottom: 1.8rem;
  font-weight: 700;
  text-align: center;
  align-self: center;
}

.book-index {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--inset-color);
  border-radius: 12px;
  box-sizing: border-box;
  margin: 2rem auto;
  padding: var(--book-grid-padding);
  width: calc(100% - var(--book-grid-padding) * 2);
  max-width: var(--book-grid-max-width);
  position: relative;
}
.book-index h1 {
  font-size: 2rem;
  color: var(--accent);
  margin-top: 0;
  margin-bottom: 1.2rem;
  font-weight: 700;
  text-align: center;
  align-self: center;
}

.personalization-label {
  position: absolute;
  top: var(--book-grid-padding);
  left: var(--book-grid-padding);
  font-size: 1rem;
  color: var(--accent);
  font-weight: 600;
  opacity: 0.8;
  font-family: var(--font-family);
  pointer-events: none;
  user-select: none;
}

.chapter-page {
  font-family: var(--font-family);
  font-size: 1rem;
  color: var(--text);
  padding: 0;
  width: 75%;
  margin: auto;
  line-height: 1.6;
}
.chapter-page h1 {
  font-size: 2rem;
  margin: 1rem 0;
  color: var(--accent);
  font-weight: 700;
}

.chapter-index {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--inset-color);
  border-radius: 12px;
  box-sizing: border-box;
  margin: 2rem auto;
  padding: var(--chapter-grid-padding);
  width: calc(100% - var(--chapter-grid-padding) * 2);
  max-width: var(--chapter-grid-max-width);
  position: relative;
}
.chapter-index h1 {
  font-size: 2rem;
  color: var(--accent);
  margin-top: 0;
  margin-bottom: 1.2rem;
  font-weight: 700;
  text-align: center;
  align-self: center;
}
/*--------------------------------------------------------------
  12. BOOK / CHAPTER GRIDS & BUTTONS
--------------------------------------------------------------*/
.popular-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--book-btn-gap);
  width: 100%;
  max-width: calc((var(--book-btn-width) * 3) + (var(--book-btn-gap) * 2));
  justify-items: center;
  margin: 0;
  align-items: flex-start;
  box-sizing: border-box;
}
.popular-button {
  width: var(--book-btn-width);
  min-width: var(--book-btn-width);
  max-width: var(--book-btn-width);
  padding: 0.5em 0.5em;
  border-radius: 10px;
  border: none;
  background: var(--btn-bg);
  color: white;
  cursor: pointer;
  font-weight: 600;
  font-family: var(--font-family);
  font-size: 1rem;
  user-select: none;
  transition: background 0.5s ease,
    transform 0.3s cubic-bezier(0.44, 1.9, 0.4, 0.8);
  text-align: center;
  text-decoration: none;
  display: inline-block;
  outline: none;
  will-change: transform;
}
.popular-button:hover {
  background: var(--btn-bg-hover);
  transform: scale(var(--hover-scale));
}

.book-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--book-btn-gap);
  width: 100%;
  max-width: calc((var(--book-btn-width) * 5) + (var(--book-btn-gap) * 4));
  justify-items: center;
  margin: 0;
  align-items: flex-start;
  box-sizing: border-box;
}
.book-button {
  width: var(--book-btn-width);
  min-width: var(--book-btn-width);
  max-width: var(--book-btn-width);
  padding: 0.5em 0.5em;
  border-radius: 10px;
  border: none;
  background: var(--btn-bg);
  color: white;
  cursor: pointer;
  font-weight: 600;
  font-family: var(--font-family);
  font-size: 1rem;
  user-select: none;
  transition: background 0.5s ease,
    transform 0.3s cubic-bezier(0.44, 1.9, 0.4, 0.8);
  text-align: center;
  text-decoration: none;
  display: inline-block;
  outline: none;
  will-change: transform;
}
.book-button:hover {
  background: var(--btn-bg-hover);
  transform: scale(var(--hover-scale));
}

.chapter-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: var(--chapter-btn-gap);
  width: 100%;
  max-width: calc(
    (var(--chapter-btn-width) * 10) + (var(--chapter-btn-gap) * 9)
  );
  justify-items: center;
  margin: 0;
  align-items: flex-start;
  box-sizing: border-box;
}
.chapter-button {
  width: var(--chapter-btn-width);
  min-width: var(--chapter-btn-width);
  max-width: var(--chapter-btn-width);
  padding: 0.5em 0;
  border-radius: 10px;
  border: none;
  background: var(--btn-bg);
  color: white;
  cursor: pointer;
  font-weight: 600;
  font-family: var(--font-family);
  font-size: 1rem;
  user-select: none;
  transition: background 0.5s ease,
    transform 0.3s cubic-bezier(0.44, 1.9, 0.4, 0.8);
  text-align: center;
  text-decoration: none;
  display: inline-block;
  outline: none;
  will-change: transform;
}
.chapter-button:hover {
  background: var(--btn-bg-hover);
  transform: scale(var(--hover-scale));
}

/* Chapter nav buttons (used on chapter pages) */
.chapter-nav-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-bottom: 1rem;
}
.chapter-nav-buttons .nav-btn {
  flex: 1;
  background: var(--btn-bg);
  color: white;
  font-family: var(--font-family);
  font-weight: 700;
  padding: 1em 0;
  font-size: 1rem;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: background-color 0.5s ease,
    transform 0.3s cubic-bezier(0.44, 1.9, 0.4, 0.8);
  user-select: none;
  outline: none;
  will-change: transform;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  align-items: center;
  justify-content: center;
}

/* Navigation arrow styling for inline appearance */
.nav-arrow {
  width: 0.9em * 0.8984375;
  height: 0.9em;
  margin: 0;
  padding-bottom: 0.1em;
  vertical-align: middle;
  display: inline;
}

.chapter-nav-buttons .nav-btn:hover:not(:disabled) {
  background: var(--btn-bg-hover);
  outline: none;
  transform: scale(1.03);
}
.chapter-nav-buttons .nav-btn:disabled {
  background: var(--btn-disabled-bg);
  color: var(--btn-disabled-color);
  cursor: not-allowed;
  transform: none;
}

.chapter-nav-buttons .nav-btn:disabled .nav-arrow {
  color: var(--btn-disabled-color);
}

/* Ensure nav arrows always match the text color of their parent button */
.chapter-nav-buttons .nav-btn .nav-arrow {
  filter: brightness(0) invert(1);
}

.chapter-nav-buttons .nav-btn:disabled .nav-arrow {
  filter: brightness(0) saturate(100%);
  opacity: 0.6;
}

/* Verses (used on chapter pages) */
.verses .verse-number {
  font-weight: 700;
  color: var(--accent);
  margin-right: 0.5rem;
  cursor: pointer;
  transition: background-color 0.3s,
    transform 0.3s cubic-bezier(0.44, 1.9, 0.4, 0.8);
  user-select: none;
  will-change: transform;
  display: inline-block;
  position: relative;
}
.verses .verse-number::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1.5em;
  height: 1.5em;
  background-color: var(--inset-color);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.3s cubic-bezier(0.44, 1.9, 0.4, 0.8);
  z-index: -100;
  pointer-events: none;
}
.verses .verse-number:hover::before {
  transform: translate(-50%, -50%) scale(1);
}
.verses .verse-number:hover {
  transform: scale(1.25);
}
.verses .verse {
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.5;
  z-index: 1;
}

/* Red letter text (words of Jesus) */
.jesus-words {
  color: var(--jesus-words-color);
}

/* Blue letter text (words of the Spirit) */
.spirit-words {
  color: var(--spirit-words-color);
}

/* Option spans - italicized clickable options */
.option-span {
  background-color: var(--option-text-bg);
  /* font-style: oblique; */
  cursor: pointer;
  padding: 0.3rem;
  border-radius: 10px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 1;
}

.option-span:hover,
.option-span.hover-highlight {
  padding: 0.5rem;
  transform: scale(1.05);
  /* font-weight: 500; */
  /* white-space: nowrap; */
}

/* Rainbow verse numbers - cycle through spectrum every 14 verses */
[data-color="rainbow"] .verse-number.rainbow-0 {
  color: #ef4444;
} /* red */
[data-color="rainbow"] .verse-number.rainbow-1 {
  color: #f56500;
} /* red-orange */
[data-color="rainbow"] .verse-number.rainbow-2 {
  color: #f97316;
} /* orange */
[data-color="rainbow"] .verse-number.rainbow-3 {
  color: #fb923c;
} /* orange-yellow */
[data-color="rainbow"] .verse-number.rainbow-4 {
  color: #eab308;
} /* yellow */
[data-color="rainbow"] .verse-number.rainbow-5 {
  color: #a3a948;
} /* yellow-green */
[data-color="rainbow"] .verse-number.rainbow-6 {
  color: #22c55e;
} /* green */
[data-color="rainbow"] .verse-number.rainbow-7 {
  color: #06a085;
} /* green-cyan */
[data-color="rainbow"] .verse-number.rainbow-8 {
  color: #06b6d4;
} /* cyan */
[data-color="rainbow"] .verse-number.rainbow-9 {
  color: #0ea5e9;
} /* cyan-blue */
[data-color="rainbow"] .verse-number.rainbow-10 {
  color: #3b82f6;
} /* blue */
[data-color="rainbow"] .verse-number.rainbow-11 {
  color: #6366f1;
} /* blue-violet */
[data-color="rainbow"] .verse-number.rainbow-12 {
  color: #8b5cf6;
} /* violet */
[data-color="rainbow"] .verse-number.rainbow-13 {
  color: #ec4899;
} /* pink/magenta */

/* Copy notification */
.copy-notification {
  display: inline;
  background: var(--btn-bg);
  color: white;
  padding: 0.3rem 0.75rem;
  border-radius: 10px;
  font-weight: 600;
  font-family: var(--font-family);
  font-size: 1rem;
  margin-left: 0.45rem;
  margin-right: 0.45rem;
  white-space: nowrap;
  border: 2px solid rgba(255, 255, 255, 0.3);
  vertical-align: baseline;
  position: relative;
  z-index: 1000;
  /* Remove initial transform and opacity - let keyframes handle it */
}

.copy-notification.appear {
  animation: slideInNotification 0.3s cubic-bezier(0.44, 1.9, 0.4, 0.8) forwards;
}

.copy-notification.disappear {
  animation: slideOutNotification 0.3s ease-in forwards;
}

@keyframes slideInNotification {
  0% {
    opacity: 0;
    transform: translateX(-20px) scale(0.6);
  }
  100% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes slideOutNotification {
  0% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateX(-20px) scale(0.6);
  }
}

/*--------------------------------------------------------------
  13. FOOTER
--------------------------------------------------------------*/
footer.site-footer {
  background: var(--footer-bg);
  color: var(--text);
  text-align: center;
  padding: 2rem 0.5rem 1.2rem 0.5rem;
  margin-top: auto;
  font-size: 1.09rem;
  position: relative;
  width: 100%;
  box-shadow: 0 -1px 12px rgba(0, 0, 0, 0.08);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
}
footer .social-icons {
  margin-bottom: 0.5rem;
  display: flex;
  gap: 2.2rem;
  justify-content: center;
}
footer .social-icons a {
  margin: 0;
  color: var(--accent);
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 600;
  padding: 0.5em 1em;
  border-radius: 10px;
  transition: background 0.5s, color 0.5s,
    transform 0.3s cubic-bezier(0.44, 1.9, 0.4, 0.8);
  will-change: transform;
}
footer .social-icons a:hover {
  background: var(--btn-text-hover);
  color: #fff;
  outline: none;
  transform: scale(var(--hover-scale));
}
footer .copyright {
  margin-top: 0.7rem;
  font-size: 1rem;
  opacity: 0.85;
  color: var(--text);
  text-align: center;
}

/*--------------------------------------------------------------
  14. MEDIA QUERIES
--------------------------------------------------------------*/

@media (max-width: 1400px) {
  .books-grid {
    grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
  }
}

@media (max-width: 1350px) {
  .header-icon {
    display: flex !important;
    align-items: center;
    justify-content: center;
  }
  .header-logo {
    display: none;
  }
}

@media (min-width: 1200px) {
  .books-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (max-width: 1100px) {
  .popular-index {
    max-width: 100%;
  }
  .popular-grid {
    grid-template-columns: repeat(auto-fit, minmax(var(--book-btn-width), 1fr));
  }
  .book-index {
    max-width: 100%;
  }
  .book-grid {
    grid-template-columns: repeat(auto-fit, minmax(var(--book-btn-width), 1fr));
  }
  .chapter-page {
    width: auto;
    margin-left: 1.2rem;
    margin-right: 1.2rem;
  }
  .chapter-grid {
    grid-template-columns: repeat(
      auto-fit,
      minmax(var(--chapter-btn-width), 1fr)
    );
  }
}

@media (max-width: 750px) {
  .chapter-nav-text {
    display: none;
  }
}

@media (max-width: 700px) {
  .modern-hero h1 {
    font-size: 2.18rem;
  }
  .modern-hero h2 {
    font-size: 1.13rem;
  }
}

@media (max-width: 600px) {
  .book-button {
    min-width: 100px;
  }

  .popular-button {
    min-width: 100px;
  }
}

@media (max-width: 400px) {
  .book-button {
    min-width: 80px;
  }

  .popular-button {
    min-width: 80px;
  }
}

/* Annotation "i" icon */
.annotation {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
  font-family: inherit;
  font-size: 1em;
  font-weight: 700;
  width: 1.4em;
  height: 1.4em;
  border-radius: 50%;
  background: var(--inset-color);
  color: var(--accent);
  border: 0.1225em solid var(--accent);
  box-sizing: border-box;
  cursor: pointer;
  margin: 0 0.2em;
  transition: transform 0.3s;
  outline: none;
  user-select: none;
  z-index: 2;
}
.annotation:focus,
.annotation:hover {
  transform: scale(1.2);
}

/* Annotation popup mask (fullscreen, blocks interaction) */
.annotation-mask {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: annotationMaskFadeIn 0.22s cubic-bezier(0.44, 1.9, 0.4, 0.8);
}
@keyframes annotationMaskFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Annotation popup */
.annotation-popup {
  background: var(--bg);
  color: var(--text);
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18), 0 1.5px 8px rgba(0, 0, 0, 0.1);
  padding: 1.5em;
  max-width: 90vw;
  min-width: 260px;
  max-width: 420px;
  font-size: 1.13em;
  font-family: var(--font-family);
  text-align: left;
  position: relative;
  z-index: 10000;
  animation: annotationPopupZoomIn 0.28s cubic-bezier(0.44, 1.9, 0.4, 0.8);
}
@keyframes annotationPopupZoomIn {
  from {
    opacity: 0;
    transform: scale(0.82) translateY(30px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Optional: close icon in popup (top right) */
.annotation-popup-close {
  position: absolute;
  top: 0.6em;
  right: 0.6em;
  background: var(--inset-color);
  border-radius: 50%;
  border: none;
  color: var(--accent);
  font-size: 1em;
  cursor: pointer;
  z-index: 10001;
  padding: 0;
  width: 1.4em;
  height: 1.4em;
  /* line-height: 1; */
  transition: transform 0.3s;
}
.annotation-popup-close:hover {
  transform: scale(1.2);
}