/*

CSS VARIABLES & BASE STYLES

*/

/*Ensures padding and border are included */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Reference the .example-img class */
.example-img {
  width: 100%;
  border-radius: 32px;
}

/*init theme variables*/
:root {
  --light-bg: #e3f0ff;
  --light-header: #b3d1fa;
  --light-accent: #1976d2;
  --light-text: #222;
}
/*init dark theme variables*/
body.dark-theme {
  --light-bg: #282a36;
  --light-header: #44475a;
  --light-accent: #8be9fd;
  --light-text: #f8f8f2;
}

/* Remove default margin/padding, set font */
html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  background: var(--light-bg);
  font-family: "JetBrains Mono", monospace;
}
body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--light-text);
  background: var(--light-bg);
}

/* 
HEADER & NAVIGATION
 */
header {
  width: 100vw;
  max-width: 100vw;
  min-height: 64px;
  background: var(--light-header);
  color: var(--light-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 8px rgba(25, 118, 210, 0.07);

  border-bottom: 1px solid #b3d1fa;
}
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--light-accent);
  margin-left: 0.5rem;
  cursor: pointer;
}
nav {
  display: flex;
  flex-direction: row;
  gap: 1rem;
  align-items: center;
  justify-content: center;
  width: 95%;
}
nav a {
  text-decoration: none;
  color: var(--light-accent);
  font-size: 1.05rem;
  padding: 0.3rem 0.7rem;
  border-radius: 8px;
  transition:
    background 0.2s,
    color 0.2s;
  font-weight: 700;
}
nav a:hover {
  background: #e3f0ff;
  color: #1565c0;
}

/* 
MAIN CONTENT & SECTIONS
 */
main {
  width: 100%;
  max-width: 467px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1rem 0;
}
.site-title {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  margin: 2rem 0 1rem 0;
  text-align: center;
  letter-spacing: 0.04em;
  color: var(--light-accent);
}
.site-subtitle {
  font-size: 1.1rem;
  color: var(--light-accent);
  margin-bottom: 1.5rem;
  min-height: 1.5em;
  transition: color 0.4s;
  text-align: center;
  opacity: 0.85;
  letter-spacing: 0.01em;
}
section {
  width: 100%;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 8px rgba(25, 118, 210, 0.07);
  margin-bottom: 1.5rem;
  padding: 1.5rem 1rem;
  text-align: center;
}
section h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--light-accent);
}
section p {
  margin: 0.5rem 0;
  font-size: 1rem;
}
section#about {
  margin-top: 0;
}
.skills-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1.2rem;
  padding: 10px;
  list-style: none;
}
.skills-list li {
  background: #fff;
  color: var(--light-accent);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(25, 118, 210, 0.1);
  padding: 1.1rem 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  text-align: center;
  transition:
    transform 0.15s,
    box-shadow 0.15s;
  border: 1px solid #e3f0ff;
}
.skills-list li:hover,
.skills-list li:focus-visible {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 6px 18px rgba(25, 118, 210, 0.18);
  outline: none;
}

/* 
FOOTER
 */
footer {
  width: 100vw;
  max-width: 100vw;
  min-height: 44px;
  color: var(--light-text);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 -2px 8px rgba(25, 118, 210, 0.07);
  border-top: 1px solid #b3d1fa;
  padding: 0 1rem;
  margin-top: auto;
  background: var(--light-header); /* Use your theme variable */
}
footer section {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  background: none;
  padding: 0;
  margin: 0;
  text-align: center;
}
footer p {
  margin: 0;
  font-size: 1rem;
  display: inline;
}
footer a {
  color: var(--light-accent);
  text-decoration: none;
  font-weight: 700;
  margin: 0 0.5rem;
  transition: color 0.2s;
}
footer a:hover {
  color: #1565c0;
  text-decoration: underline;
}

/* 
RESPONSIVE DESIGN
 */
@media (max-width: 800px) {
  header {
    -width: 100vw;
    border-radius: 0;
    box-shadow: none;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    min-height: 64px;
    padding: 0 0.5rem;
  }

  .site-title {
    font-size: 1.15rem;
    margin: 1.2rem 0 0.7rem 0;
  }
  .site-subtitle {
    font-size: 1rem;
    margin: 0 0 1.2rem 0;
  }
  section {
    margin-bottom: 1rem;
    padding: 1rem 0.2rem;
  }
  .menu-toggle {
    display: block;
  }
  nav {
    position: absolute;
    top: 44px;
    left: 0;
    width: 100vw;
    background: var(--light-header);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s;
    z-index: 99;
    border-bottom: 1px solid #b3d1fa;
  }
  nav.open {
    max-height: 300px;
    box-shadow: 0 2px 8px rgba(25, 118, 210, 0.07);
  }
  nav a {
    width: 100%;
    font-size: 1rem;
    padding: 0.8rem 1rem;
    border-radius: 0;
    border-bottom: 1px solid #b3d1fa;
    margin-left: 10px;
  }
  footer {
    max-width: 100vw;
    border-radius: 0;
    box-shadow: none;
    margin-top: 1rem;
    border-top: 1px solid #b3d1fa;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
    background: var(--light-header);
  }
}

/* 
SUBTITLE BLINKING CURSOR
 */
.subtitle-cursor {
  display: inline-block;
  animation: blink 1s steps(1) infinite;
  vertical-align: baseline;
}
@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

/* 
FOCUS INDICATORS
 */
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--light-accent);
  outline-offset: 2px;
}

/* 
github stats case theming
 */
section#stats {
  background: none;
  box-shadow: none;
  border-radius: 0;
  padding: 0;
}

/*
Noscript warning styler - AIGC
*/
#noScriptWarn {
  background: #ffbaba;
  color: #222;
  padding: 1.5rem;
  text-align: center;
  font-family: "JetBrains Mono", monospace;
}

/*
Back to top button styling
*/
#back-to-top {
  display: none;
  position: fixed;
  padding: 1rem;
  bottom: 2rem;
  right: 2rem;
  z-index: 10000;

  border-radius: 100%;
  background: none;
  color: none;
  border: none;
  /* touch development border
  border: 2px solid black;
  */
  font-size: 1.5rem;
  cursor: pointer;
}