*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html,body{
  height: 100%;
}
.container{
  min-height: 100vh;
  overflow: hidden;
  position: relative;
  background: var(--bg-solid);
  background-image: linear-gradient(180deg, var(--bg-grad-start) 0%, var(--bg-grad-mid) 40%, var(--bg-grad-end) 100%);
}

/* particle canvas behind content but above background shapes */
#particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 2; /* behind UI elements */
  pointer-events: none;
  display: block;
  mix-blend-mode: screen;
  will-change: transform;
}
/* ensure particles do not blend over light-ish UIs */
[data-theme="light"] #particles,
[data-theme="pink"] #particles {
  mix-blend-mode: normal !important;
}

/* disable heavy animation when user prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  #particles { display: none; }
}

.container > div:nth-of-type(-n+5){
  position: absolute;
  border-radius: 3rem;
  will-change: transform, filter;
  z-index: 0;
}

@media (max-width: 720px) {
  .container > div:nth-of-type(-n+5) {
    will-change: auto;
    border-radius: 2rem;
  }
  /* reduce size on mobile for better performance */
  .container > div:nth-of-type(2) {
    width: 60%;
    height: 70%;
  }
  .container > div:nth-of-type(3) {
    width: 45%;
    height: 45%;
  }
  .container > div:nth-of-type(4) {
    width: 70%;
    height: 55%;
  }
  .container > div:nth-of-type(5) {
    width: 50%;
    height: 45%;
  }
}

/* dynamic drifting for background shapes */
@keyframes drift-slow {
  0%   { transform: translate3d(0,   0, 0) scale(1) rotate(0deg); }
  25%  { transform: translate3d(32px,-24px,0) scale(1.06) rotate(1.5deg); }
  50%  { transform: translate3d(68px, 10px,0) scale(1.12) rotate(3deg); }
  75%  { transform: translate3d(-18px,26px,0) scale(1.07) rotate(1.2deg); }
  100% { transform: translate3d(0,   0, 0) scale(1) rotate(0deg); }
}
@keyframes drift-medium {
  0%   { transform: translate3d(0,   0, 0) scale(1) rotate(0deg); }
  20%  { transform: translate3d(-24px, 18px,0) scale(1.05) rotate(-1deg); }
  40%  { transform: translate3d(36px, -28px,0) scale(1.1) rotate(2deg); }
  60%  { transform: translate3d(58px,  6px,0) scale(1.08) rotate(3deg); }
  80%  { transform: translate3d(-16px, 22px,0) scale(1.06) rotate(0.8deg); }
  100% { transform: translate3d(0,   0, 0) scale(1) rotate(0deg); }
}
@keyframes drift-fast {
  0%   { transform: translate3d(0,   0, 0) scale(1) rotate(0deg); }
  33%  { transform: translate3d(42px, -32px,0) scale(1.08) rotate(2deg); }
  66%  { transform: translate3d(-30px, 28px,0) scale(1.14) rotate(-1.5deg); }
  100% { transform: translate3d(0,   0, 0) scale(1) rotate(0deg); }
}
@keyframes drift-arc {
  0%   { transform: translate3d(0, 0, 0) scale(1) rotate(0deg); }
  25%  { transform: translate3d(28px, 18px,0) scale(1.06) rotate(1deg); }
  50%  { transform: translate3d(60px,-22px,0) scale(1.12) rotate(2.2deg); }
  75%  { transform: translate3d(-22px,16px,0) scale(1.08) rotate(1.4deg); }
  100% { transform: translate3d(0, 0, 0) scale(1) rotate(0deg); }
}
.container > div:nth-of-type(1){
  width: 140%;
  height: 110%;
  background: transparent;
  left: -5%;
  top: -5%;
}
.container > div:nth-of-type(2){
  width: 70%;
  height: 80%;
  background: var(--shape-dark);
  top: -12%;
  right: -12%;
  /* motion handled via JS random drift */
}
.container > div:nth-of-type(3){
  width: 50%;
  height: 50%;
  background: var(--shape-dark);
  bottom: -10%;
  left: -5%;
  /* motion handled via JS random drift */
}
.container > div:nth-of-type(4){
  width: 80%;
  height: 65%;
  background: var(--shape-light);
  bottom: -15%;
  right: -20%;
  /* motion handled via JS random drift */
}
.container > div:nth-of-type(5){
  width: 60%;
  height: 50%;
  background: var(--shape-dark);
  /* motion handled via JS random drift */
  bottom: 0;
  right: 50%;
}

/* accessibility: respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  #particles { display: none; }
  .container > div:nth-of-type(-n+5) { animation: none; }
}
.container::after{
  position: absolute;
  content: '';
  height: 100%;
  width: 100%;
  left: 0;
  top: 0;
  backdrop-filter: blur(200px);
  z-index: 1;
  pointer-events: none;
}

/* dynamic secondary-color glow spots (spawned via JS) */
.glow-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.glow-spot {
  position: absolute;
  border-radius: 50%;
  filter: blur(4px);
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.85);
  animation: glow-fade 4.5s ease-in-out forwards;
}

@keyframes glow-fade {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.85); }
  20% { opacity: 0.45; transform: translate(-50%, -50%) scale(1); }
  70% { opacity: 0.35; transform: translate(-50%, -50%) scale(1.02); }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.05); }
}
@keyframes float {
  0%   { transform: translate(-50%, 0); }
  50%  { transform: translate(-50%, -12px); }
  100% { transform: translate(-50%, 0); }
}
.title{
  position: absolute;
  top: 8%;
  left: 50%;
  transform: translate(-50%, 0);
  text-align: center;
  animation: float 3.5s ease-in-out infinite;
  pointer-events: none;
  z-index: 4;
}
body{
  font-family: 'Baloo 2', 'Fredoka One', cursive;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* prevent iOS Safari zoom on input focus */
  -webkit-text-size-adjust: 100%;
}

/* Dyslexia-friendly font - OpenDyslexic alternative using Comic Sans/Arial fallback */
body.dyslexia-font {
  font-family: 'Comic Sans MS', 'Arial', 'Verdana', sans-serif;
  letter-spacing: 0.05em;
  word-spacing: 0.1em;
  line-height: 1.6;
}

body.dyslexia-font .title h1,
body.dyslexia-font .title h2,
body.dyslexia-font .box h3,
body.dyslexia-font .box p,
body.dyslexia-font .btn,
body.dyslexia-font .settings-panel,
body.dyslexia-font .hamburger {
  font-family: 'Comic Sans MS', 'Arial', 'Verdana', sans-serif;
}

/* Animation speed control via CSS variable */
:root {
  --animation-speed: 1;
}

.title {
  animation-duration: calc(3.5s / var(--animation-speed));
}

.glow-spot {
  animation-duration: calc(4.5s / var(--animation-speed));
}

/* prevent pull-to-refresh on mobile */
body {
  overscroll-behavior-y: contain;
}

/* improve touch scrolling */
* {
  -webkit-overflow-scrolling: touch;
}
.title h1{
  color: var(--title-color);
  font-family: 'Baloo 2', cursive;
  font-weight: 800;
  font-size: 3.6rem;
  margin-bottom: 0.25rem;
}
.title h2{
  color: var(--title-color);
  font-family: 'Baloo 2', cursive;
  font-weight: 700;
  font-size: 1.35rem;
}

@media (max-width: 720px) {
  .title h1 {
    font-size: 2.5rem;
  }
  .title h2 {
    font-size: 1.1rem;
  }
  .title {
    top: 6%;
  }
}
.boxes{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: stretch;
  justify-content: center;
  width: min(1100px, 90vw);
  z-index: 3;
}
.box{
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  flex: 1 1 calc(33.333% - 0.75rem);
  min-width: 280px;
  max-width: calc(33.333% - 0.75rem);
  background: linear-gradient(135deg, var(--box-bg-start) 0%, var(--box-bg-end) 100%);
  border-radius: 1rem;
  padding: 1.25rem 1.5rem;
  gap: 0.75rem;
  text-align: left;
  color: var(--text-color);
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(10,7,30,0.5);
  transition: transform .18s ease, box-shadow .18s ease;
}
.box h3{
  margin-bottom: .35rem;
  font-size: 1.1rem;
  text-align: center;
}
.box p{
  margin-bottom: .75rem;
  font-size: .9rem;
  font-weight: 500;
  opacity: .95;
  text-align: center;
}

/* inline links within paragraphs */
.box p a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
  position: relative;
  transition: opacity 0.2s ease;
}

.box p a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 1.5px;
  background: var(--accent);
}

.box p a:hover,
.box p a:focus-visible {
  opacity: 0.75;
}

.box p a:active {
  opacity: 0.6;
}

.box .btn{
  background: var(--btn-bg);
  border: 1px solid var(--btn-border);
  color: var(--text-color);
  padding: 0.6rem 0;
  width: 160px;
  max-width: 80%;
  text-align: center;
  border-radius: 0.6rem;
  cursor: pointer;
  font-weight: 700;
  display: block;
  margin: 0.5rem auto 0;
  text-decoration: none;
  margin-top: auto;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.box .btn:active {
  transform: scale(0.97);
}

@media (max-width: 720px) {
  .box .btn {
    padding: 0.75rem 0;
    font-size: 1rem;
  }
}

.boxes > .box:nth-child(1) .btn,
.boxes > .box:nth-child(2) .btn,
.boxes > .box:nth-child(3) .btn{
  margin-left: auto;
  margin-right: auto;
}
.box:hover,
.box:focus-within,
.box:focus-visible {
  transform: translateY(-8px);
  box-shadow: 0 22px 50px rgba(10,7,30,0.65);
}

@media (max-width: 720px) {
  .box:hover,
  .box:focus-within,
  .box:focus-visible {
    transform: none;
    box-shadow: 0 14px 30px rgba(10,7,30,0.5);
  }
}
@media (max-width: 900px){
  .boxes{
    gap: 0.75rem;
    width: min(900px, 94vw);
  }
  .box{
    min-width: 200px;
  }
}
@media (max-width: 720px){
  .boxes{
    flex-direction: column;
    flex-wrap: nowrap;
    transform: translateX(-50%);
    top: 60%;
    width: min(500px, 94vw);
  }
  .box{
    flex: 1 1 auto;
    max-width: 100%;
    min-width: 0;
    text-align: center;
  }
  .box:nth-child(3){ text-align: center; }
  .box .btn{ margin: 0.5rem auto 0; display: block; width: 70%; max-width: 260px; }
}
.return .btn{
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 5;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    padding: 0.6rem 0.9rem;
    background: linear-gradient(135deg, var(--box-bg-start) 0%, var(--box-bg-end) 100%);
    color: #fff;
    border-radius: 0.6rem;
    border: 1px solid rgba(0, 0, 0, 0.12);
    box-shadow: 0 10px 30px rgba(10,7,30,0.5);
    text-decoration: none;
    font-weight: 700;
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease;
}

.return .btn:hover,
.return .btn:focus-visible{
    transform: translateY(-6px);
    box-shadow: 0 18px 40px rgba(10,7,30,0.6);
}

@media (max-width: 720px){
    .return .btn{
        top: 0.6rem;
        left: 0.6rem;
        min-width: 100px;
        padding: 0.5rem 0.75rem;
    }
  }

/* social media icons */
.social-links {
  position: absolute;
  bottom: 12%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 1.25rem;
  z-index: 3;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--box-bg-start) 0%, var(--box-bg-end) 100%);
  color: var(--text-color);
  border-radius: 50%;
  border: 1px solid var(--btn-border);
  box-shadow: 0 8px 20px rgba(10,7,30,0.4);
  text-decoration: none;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.social-icon:hover,
.social-icon:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(10,7,30,0.6);
}

.social-icon:active {
  transform: translateY(-2px) scale(0.95);
}

.social-icon svg {
  width: 24px;
  height: 24px;
}

@media (max-width: 720px) {
  .social-links {
    gap: 1rem;
  }
  
  .social-icon {
    width: 44px;
    height: 44px;
  }
  
  .social-icon svg {
    width: 22px;
    height: 22px;
  }
}

/* standalone contact button */
.contact-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.5rem;
  background: linear-gradient(135deg, var(--box-bg-start) 0%, var(--box-bg-end) 100%);
  color: var(--text-color);
  border-radius: 0.6rem;
  border: 1px solid var(--btn-border);
  box-shadow: 0 10px 30px rgba(10,7,30,0.5);
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.contact-btn:hover,
.contact-btn:focus-visible {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(10,7,30,0.6);
}

.contact-btn:active {
  transform: translateY(-2px) scale(0.98);
}

/* settings UI */
.settings {
  position: fixed;
  top: 1rem;
  right: 2rem;
  z-index: 1000; /* above particles */
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  isolation: isolate; /* create new stacking context to prevent canvas blending over panel */
  mix-blend-mode: normal; /* ensure UI isn't affected by background blending */
}

@media (max-width: 720px) {
  .settings {
    top: 0.5rem;
    right: 0.5rem;
    left: 0.5rem;
    flex-direction: column;
    align-items: stretch;
  }
}
.hamburger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.6rem;
  background: transparent;
  border: 0;
  cursor: pointer;
  color: var(--settings-text-color);
  font-weight: 700;
  border-radius: 0.45rem;
  transition: background .14s ease, color .14s ease, transform .14s ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

@media (max-width: 720px) {
  .hamburger {
    padding: 0.65rem 1rem;
    width: 100%;
    font-size: 1rem;
  }
}
.hamburger.open {
  background: var(--btn-bg);
  color: var(--text-color);
  transform: translateY(-1px);
}
/* keep spans rules harmless if present */
.hamburger span { display: none; }
.hamburger.open span:nth-child(1){ transform: translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2){ opacity: 0; }
.hamburger.open span:nth-child(3){ transform: translateY(-6px) rotate(-45deg); }

.settings-panel {
  min-width: 220px;
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border-radius: 0.6rem;
  padding: 1rem;
  box-shadow: 0 8px 30px rgba(0,0,0,0.35);
  display: none;
  gap: .5rem;
  flex-direction: column;
  align-items: stretch;
  color: var(--settings-text-color);
  position: relative;
  z-index: 1001; /* sit above particles and container contents */
  mix-blend-mode: normal; /* prevent particles from visually blending with panel */
}
.settings-panel.open { display: flex; }

@media (max-width: 720px) {
  .settings-panel {
    max-height: calc(100vh - 5rem);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    backdrop-filter: blur(10px);
    background: linear-gradient(180deg, rgba(0,0,0,0.75), rgba(0,0,0,0.65));
    padding: 1.25rem;
  }
}

.settings-panel h4 {
  margin: 0.75rem 0 0.75rem 0;
  font-weight: 700;
  color: var(--settings-text-color);
}

.settings-panel h4:first-child {
  margin-top: 0;
}

.settings-panel .controls {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.settings-panel label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 0.35rem;
}

.settings-panel input[type="range"] {
  margin-top: 0.25rem;
  margin-bottom: 0.5rem;
  width: 100%;
  height: 28px;
  padding: 8px 0;
  vertical-align: middle;
  background: transparent;
}

.settings-panel input[type="range"] {
  width: 100%;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
}


.settings-panel input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent, #7aa2ff);
  cursor: pointer;
  border: 2px solid rgba(255,255,255,0.3);
  margin-top: -7px; /* center thumb on 8px track */
}

.settings-panel input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent, #7aa2ff);
  cursor: pointer;
  border: 2px solid rgba(255,255,255,0.3);
}

.settings-panel input[type="range"]::-webkit-slider-runnable-track {
  width: 100%;
  height: 8px;
  background: rgba(255,255,255,0.18);
  border-radius: 999px;
}

.settings-panel input[type="range"]::-moz-range-track {
  width: 100%;
  height: 8px;
  background: rgba(255,255,255,0.18);
  border-radius: 999px;
}

.settings-panel input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

@media (max-width: 720px) {
  .settings-panel input[type="range"]::-webkit-slider-thumb {
    width: 24px;
    height: 24px;
    margin-top: -8px;
  }
  .settings-panel input[type="range"]::-moz-range-thumb {
    width: 24px;
    height: 24px;
  }
  .settings-panel input[type="range"]::-webkit-slider-runnable-track {
    height: 10px;
  }
  .settings-panel input[type="range"]::-moz-range-track {
    height: 10px;
  }
  .settings-panel input[type="checkbox"] {
    width: 24px;
    height: 24px;
  }
  .settings-panel label {
    font-size: 0.95rem;
  }
}
.theme-swatch {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 0.6rem;
  justify-content: flex-start;
  border-radius: 0.5rem;
  cursor: pointer;
  background: transparent;
  border: 1px solid rgba(0,0,0,0.04);
  font-weight: 700;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  transition: background 0.15s ease, transform 0.1s ease;
}

.theme-swatch:active {
  transform: scale(0.97);
  background: rgba(255,255,255,0.05);
}

@media (max-width: 720px) {
  .theme-swatch {
    padding: 0.7rem 0.8rem;
    font-size: 0.95rem;
  }
}

/* layout: swatches in rows of 3 with small preview circles */
.settings-panel .swatches {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
  align-items: center;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

/* preview dot */
.theme-swatch .swatch-preview {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  flex: 0 0 1rem;
  box-shadow: inset 0 0 6px rgba(0,0,0,0.12);
  border: 1px solid rgba(0,0,0,0.06);
}

/* highlight selected */
.theme-swatch[aria-pressed="true"] {
  outline: 2px solid var(--accent, #7aa2ff);
  background: rgba(0,0,0,0.02);
}

/* responsive: 2 columns on smaller screens, 3 on larger mobiles */
@media (max-width: 720px) {
  .settings-panel .swatches {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem;
  }
}

@media (min-width: 500px) and (max-width: 720px) {
  .settings-panel .swatches {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 360px) {
  .settings-panel .swatches {
    grid-template-columns: 1fr;
  }
}

/* per-theme preview gradients (static so preview reflects the theme regardless of current active theme) */
.theme-swatch[data-theme="dark"] .swatch-preview { background: linear-gradient(135deg, #0b0b10, #151522); }
.theme-swatch[data-theme="light"] .swatch-preview { background: linear-gradient(135deg, #f4f7fb, #e9eef6); }
.theme-swatch[data-theme="ocean"] .swatch-preview { background: linear-gradient(135deg, #003e66, #006b9a); }
.theme-swatch[data-theme="sunset"] .swatch-preview { background: linear-gradient(135deg, #ffecd2, #ff7b54); }
.theme-swatch[data-theme="forest"] .swatch-preview { background: linear-gradient(135deg, #0b3b2b, #1d6b4f); }
.theme-swatch[data-theme="aurora"] .swatch-preview { background: linear-gradient(135deg, #0a2b2f, #2d0b3b); }
.theme-swatch[data-theme="retro"] .swatch-preview { background: linear-gradient(135deg, #f6e7c1, #e8b26a); }
.theme-swatch[data-theme="solar"] .swatch-preview { background: linear-gradient(135deg, #fff6b3, #ffb056); }
.theme-swatch[data-theme="midnight"] .swatch-preview { background: linear-gradient(135deg, #02021b, #17173d); }
.theme-swatch[data-theme="lava"] .swatch-preview { background: linear-gradient(135deg, #6b0000, #ff8066); }
/* removed steel preview */
/* new previews */
.theme-swatch[data-theme="pink"] .swatch-preview { background: linear-gradient(135deg, #ffd6e8, #ffb0d6); }
.theme-swatch[data-theme="galaxy"] .swatch-preview { background: linear-gradient(135deg, #0b0821, #4b0d7a); }
.theme-swatch[data-theme="galaxy"] .swatch-preview { background: linear-gradient(135deg, #0b0821, #4b0d7a); }

:root {
  --settings-text-color: #0b1222; /* default (light theme) */
  --font-scale: 1;
  --bg-solid: #0a0a12;
  --bg-grad-start: #0a0a12;
  --bg-grad-mid: #121227;
  --bg-grad-end: #0a0a12;
  --shape-dark: #000000;
  --shape-light: #ffffff;
  --title-color: #ffffff;
  --box-bg-start: #070707;
  --box-bg-end: #dddddd;
  --text-color: #ffffff;
  --btn-bg: rgba(255,255,255,0.08);
  --btn-border: rgba(255,255,255,0.12);
  --accent: #7aa2ff;
}

/* Dark theme (explicit) */
[data-theme="dark"] {
  --settings-text-color: #ffffff;
  --bg-solid: #0a0a12;
  --bg-grad-start: #0a0a12;
  --bg-grad-mid: #121227;
  --bg-grad-end: #0a0a12;
  --shape-dark: #0c0c18;
  --shape-light: #1a1a26;
  --title-color: #ffffff;
  --box-bg-start: #070707;
  --box-bg-end: #1d1d1d;
  --text-color: #ffffff;
  --btn-bg: rgba(255,255,255,0.06);
  --btn-border: rgba(255,255,255,0.08);
  --accent: #7aa2ff;
}

/* Light theme */
[data-theme="light"] {
  --settings-text-color: #0b1222;
  --bg-solid: #f6f8fc;
  --bg-grad-start: #f6f8fc;
  --bg-grad-mid: #eef2f8;
  --bg-grad-end: #e6ecf6;
  --shape-dark: #ffffff;
  --shape-light: #ffffff;
  --title-color: #0b1222;
  --box-bg-start: #e4e4e4;
  --box-bg-end: #d4d4d4;
  --text-color: #0b1222;
  --btn-bg: rgba(0,0,0,0.06);
  --btn-border: rgba(0,0,0,0.08);
  --accent: #4a79ff;
}


/* Ocean theme */
[data-theme="ocean"] {
  --settings-text-color: #ffffff;
  --bg-solid: #012a44;
  --bg-grad-start: #012a44;
  --bg-grad-mid: #024b6f;
  --bg-grad-end: #012a44;
  --shape-dark: #063652;
  --shape-light: #88daf8;
  --title-color: #aeefff;
  --box-bg-start: #024b6f;
  --box-bg-end: #006b9a;
  --text-color: #e8f9ff;
  --btn-bg: rgba(255,255,255,0.06);
  --btn-border: rgba(255,255,255,0.08);
  --accent: #2ec4ff;
}

/* Sunset theme (light-ish, use dark menu text) */
[data-theme="sunset"] {
  --settings-text-color: #0b1222;
  --bg-solid: #ffe0c2;
  --bg-grad-start: #ffe9d6;  /* pale highlight */
  --bg-grad-mid: #ffb98c;    /* warm mid */
  --bg-grad-end: #ff7a4a;    /* strong sunset base */
  --shape-dark: #ffcba3;
  --shape-light: #fff0e6;
  --title-color: #3b2f2f;
  --box-bg-start: #ffb98c;
  --box-bg-end: #ff7a4a;
  --text-color: #2b1f1f;
  --btn-bg: rgba(0,0,0,0.06);
  --btn-border: rgba(0,0,0,0.08);
  --accent: #ff7b54;
}

/* Forest theme */
[data-theme="forest"] {
  --settings-text-color: #ffffff;
  --bg-solid: #08231a;
  --bg-grad-start: #08231a;
  --bg-grad-mid: #0c3a2b;
  --bg-grad-end: #08231a;
  --shape-dark: #0a2b22;
  --shape-light: #a6f5cf;
  --title-color: #dfffe9;
  --box-bg-start: #0c3a2b;
  --box-bg-end: #1d6b4f;
  --text-color: #eafff4;
  --btn-bg: rgba(255,255,255,0.06);
  --btn-border: rgba(255,255,255,0.08);
  --accent: #6be6b5;
}

/* Aurora theme */
[data-theme="aurora"] {
  --settings-text-color: #ffffff;
  /* deeper night sky with teal + violet aurora blend */
  --bg-solid: #071a24;
  --bg-grad-start: #071a24;   /* deep blue-green */
  --bg-grad-mid: #0f3646;     /* cool teal */
  --bg-grad-end: #2a0e3a;     /* violet edge */
  /* semi-transparent glow for shapes to create aurora bands */
  --shape-dark: rgba(40, 255, 190, 0.28);
  --shape-light: rgba(150, 255, 230, 0.22);
  --title-color: #dff7ff;
  --box-bg-start: #10384a;
  --box-bg-end: #2a0e3a;
  --text-color: #e9fffb;
  --btn-bg: rgba(255,255,255,0.06);
  --btn-border: rgba(255,255,255,0.08);
  --accent: #72f7d2; /* slightly brighter mint */
}


/* Retro theme (warm neutrals, light menu text color dark) */
[data-theme="retro"] {
  --settings-text-color: #0b1222;
  --bg-solid: #f4e2ba;
  --bg-grad-start: #fff4d4;  /* light cream */
  --bg-grad-mid: #f0c47c;    /* golden mid */
  --bg-grad-end: #d88f3f;    /* deeper orange */
  --shape-dark: #f0cfa0;
  --shape-light: #fff6ec;
  --title-color: #4a3020;
  --box-bg-start: #f0c47c;
  --box-bg-end: #d88f3f;
  --text-color: #3d2718;
  --btn-bg: rgba(0,0,0,0.06);
  --btn-border: rgba(0,0,0,0.08);
  --accent: #ff9f1c;
}

/* Solar theme (bright, use dark menu text) */
[data-theme="solar"] {
  --settings-text-color: #0b1222;
  --bg-solid: #fff3aa;
  --bg-grad-start: #fffad3;  /* bright highlight */
  --bg-grad-mid: #ffd16f;    /* rich yellow/orange */
  --bg-grad-end: #ff9a2f;    /* bold base */
  --shape-dark: #ffe7a8;
  --shape-light: #fff7df;
  --title-color: #3b2b00;
  --box-bg-start: #ffd16f;
  --box-bg-end: #ff9a2f;
  --text-color: #3b2b00;
  --btn-bg: rgba(0,0,0,0.06);
  --btn-border: rgba(0,0,0,0.08);
  --accent: #ffb400;
}

/* Midnight theme (very dark) */
[data-theme="midnight"] {
  --settings-text-color: #ffffff;
  --bg-solid: #050522;
  --bg-grad-start: #050522;
  --bg-grad-mid: #0d0d2f;
  --bg-grad-end: #050522;
  --shape-dark: #070731;
  --shape-light: #1a1a3a;
  --title-color: #dfe7ff;
  --box-bg-start: #0d0d2f;
  --box-bg-end: #17173d;
  --text-color: #e9f0ff;
  --btn-bg: rgba(255,255,255,0.06);
  --btn-border: rgba(255,255,255,0.08);
  --accent: #7aa2ff;
}

/* Lava theme (fiery) */
[data-theme="lava"] {
  --settings-text-color: #ffffff;
  --bg-solid: #2a0000;
  --bg-grad-start: #2a0000;
  --bg-grad-mid: #5a0000;
  --bg-grad-end: #2a0000;
  --shape-dark: #3a0000;
  --shape-light: #ffbbaa;
  --title-color: #fff0f0;
  --box-bg-start: #5a0000;
  --box-bg-end: #ff8066;
  --text-color: #fff3f1;
  --btn-bg: rgba(255,255,255,0.06);
  --btn-border: rgba(255,255,255,0.08);
  --accent: #ff615a;
}

/* Pink theme (light/pastel) */
[data-theme="pink"] {
  --settings-text-color: #0b1222;
  --bg-solid: #ffe9f3;
  --bg-grad-start: #ffe9f3;
  --bg-grad-mid: #ffc2e3;
  --bg-grad-end: #ff9ed3;
  --shape-dark: #ffb4dc;
  --shape-light: #fff5fb;
  --title-color: #2b0c1a;
  --box-bg-start: #ffc7e8;
  --box-bg-end: #ff9ed3;
  --text-color: #2b0c1a;
  --btn-bg: rgba(0,0,0,0.07);
  --btn-border: rgba(0,0,0,0.1);
  --accent: #ff49b5;
}

/* Galaxy theme (deep purple/blue, white text) */
[data-theme="galaxy"] {
  --settings-text-color: #ffffff;
  --bg-solid: #06021a;
  --bg-grad-start: #06021a;
  --bg-grad-mid: #2c0d3b;
  --bg-grad-end: #0b0821;
  --shape-dark: #0a0620;
  --shape-light: #4d3263;
  --title-color: #f9eaff;
  --box-bg-start: #2c0d3b;
  --box-bg-end: #4b0d7a;
  --text-color: #f0eaff;
  --btn-bg: rgba(255,255,255,0.06);
  --btn-border: rgba(255,255,255,0.08);
  --accent: #a77aff;
}


/* small visual transition to make changes obvious */
:root, html, body {
  transition: background 240ms ease, color 240ms ease;
}

/* scale only text, not layout/padding */
.title h1 { font-size: calc(3.6rem * var(--font-scale, 1)); }
.title h2 { font-size: calc(1.35rem * var(--font-scale, 1)); }
.box h3     { font-size: calc(1.1rem * var(--font-scale, 1)); }
.box p      { font-size: calc(0.9rem * var(--font-scale, 1)); }
.box .btn   { font-size: calc(1rem * var(--font-scale, 1)); }

.settings,
.hamburger,
.settings-panel,
.theme-swatch {
  font-family: 'Baloo 2', 'Fredoka One', cursive;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}