@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

:root {
  --primary-color: #552834;
  --secondary-color: #4a2855;
  --accent-color: #654666;
  --background-color: #f7f4f4;
  --surface-color: #ffffff;
  --text-color: #2c2c2c;
  --muted-text-color: #6a5e63;
  --border-color: rgba(0, 0, 0, 0.1);
  --shadow-color: rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
  --spacing-unit: 1rem;
}

:root[data-theme="dark"] {
  --primary-color: #8f6cd4;
  --secondary-color: #684756;
  --accent-color: #8f6cd4;
  --background-color: #14121a;
  --surface-color: #1a1423c5;
  --text-color: #f8f7ff;
  --muted-text-color: #AB8476;
  --border-color: rgb(255, 255, 255);
  --shadow-color: rgba(0, 0, 0, 0.4);
}

body {
  font-family: 'Roboto', sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  margin: 0;
  padding: var(--spacing-unit);
  line-height: 1.6;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

main {
  flex-grow: 1;
  padding: calc(var(--spacing-unit) * 1.5);
  background: var(--surface-color);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 20px var(--shadow-color);
}

h1,
h2,
h3 {
  color: var(--primary-color);
  text-wrap: balance;
  text-align: center;
}

header {
  background: var(--primary-color);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  padding: 0 calc(var(--spacing-unit) * 2) 0 var(--spacing-unit);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  min-height: 60px;
  position: sticky;
  top: 0;
  z-index: 100;
}

header nav ul {
  list-style: none;
  display: flex;
  padding: 0;
  margin: 0;
  gap: 0.5em;
}

header nav ul li a {
  color: white;
  text-decoration: none;
  padding: 0.5em 1em;
  border-radius: 4px;
  display: inline-block;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

header nav ul li a:hover {
  background-color: var(--secondary-color);
  transform: scale(1.1);
}

.theme-toggle {
  border: 1px solid var(--border-color);
  background-color: var(--surface-color);
  color: var(--text-color);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  margin-left: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  position: absolute;
  right: var(--spacing-unit);
  top: 50%;
  transform: translateY(-50%);
}

.theme-toggle__icon {
  font-size: 1rem;
}

.theme-toggle:hover {
  background-color: var(--primary-color);
  color: #fff;
  border-color: transparent;
}

.js-only {
  display: none;
}

body.js-enabled .js-only {
  display: inline-flex;
}

@media (max-width: 640px) {
  header {
    flex-direction: column;
    padding: calc(var(--spacing-unit) * 1.5);
  }

  header nav {
    margin: 0;
  }

  .theme-toggle {
    position: static;
    transform: none;
    width: 100%;
    justify-content: center;
    margin-top: 0.5rem;
  }
}

footer {
  text-align: center;
  margin-top: calc(var(--spacing-unit) * 2);
  font-size: 0.9rem;
  color: var(--muted-text-color);
}

#skills ol {
  list-style: none;
  padding: 0;
  width: 80%;
  margin: 0 auto;
}

#skills li {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--spacing-unit);
}

#skills progress {
  width: 100%;
  max-width: 400px;
}

@keyframes draw-line {
  from {
    stroke-dashoffset: 1000;
  }

  to {
    stroke-dashoffset: 0;
  }
}

#experience svg .timeline-line {
  stroke-dasharray: 1000;
  animation: draw-line 2s ease-out forwards;
}

.socials {
  display: flex;
  gap: 1rem;
  font-size: 1.5rem;
}

.socials a {
  color: var(--primary-color);
  transition: color 0.2s ease, transform 0.2s ease;
}

.socials a:hover {
  color: var(--secondary-color);
  transform: scale(1.1);
}

.form-group {
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.25rem;
}

.form-group label::after {
  content: " *";
  color: #b00020
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.5rem 0.6rem;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  font: inherit;
  box-sizing: border-box;
  background-color: var(--surface-color);
  color: var(--text-color);
}

.form-group input:required:placeholder-shown,
.form-group textarea:required:placeholder-shown {
  border-color: #999;
}

.form-group input:valid,
.form-group textarea:valid {
  border-color: #1b5e20;
}

.form-group input:user-invalid,
.form-group textarea:user-invalid {
  border-color: #b00020;
  background-color: #ffecec;
}


.form-group input:invalid,
.form-group textarea:invalid {
  border-color: #b00020;
}

form {
  background-color: color-mix(in srgb, var(--surface-color) 80%, white);
  padding: var(--spacing-unit);
  border-radius: var(--border-radius);
  text-align: left;
}

form fieldset {
  border: 1px solid var(--border-color);
}

form button {
  background-color: var(--accent-color);
  color: white;
  border: none;
  padding: 0.75em 1.5em;
  border-radius: 4px;
  cursor: pointer;
  display: inline-block;
  transition: background-color 0.3s, transform 0.2s ease;
}

form button:hover {
  background-color: var(--primary-color);
  transform: scale(1.1);
}

.noscript-message {
  margin: 0.5rem 0 0;
  font-size: 0.85rem;
  color: var(--muted-text-color);
}

@keyframes flash-bg {
  from {
    background-color: #ffecec;
  }

  to {
    background-color: #ffffff;
  }
}

.flash {
  animation: flash-bg 0.2s ease-out 0s 2 alternate;
}

#chars-remaining {
  font-size: 0.85rem;
  margin-top: 0.25rem;
  text-align: right;
}

#error-output {
  color: #b00020;
  font-weight: 700;
  margin-bottom: 1rem;
}

#chars-remaining.under-limit {
  color: #b58900;
}

#chars-remaining.near-limit {
  color: #b00020;
  font-weight: 700;
}


#projects {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: calc(var(--spacing-unit) * 1.5);
  text-align: left;
}

#projects article {
  border: 1px solid color-mix(in srgb, var(--secondary-color) 20%, transparent);
  border-radius: var(--border-radius);
  padding: var(--spacing-unit);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: auto;
  max-height: 50vh;
}

#projects article:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

#projects h3 {
  text-align: center;
}

.github-link {
  display: block;
  text-align: center;
  text-decoration: none;
  font-weight: bold;
  margin-bottom: 1rem;
  color: inherit;
}

.github-link .fa-github {
  margin-left: 0.5rem;
}

.table-wrapper {
  margin: 1rem 0;
}

.instruction-set-table {
  border-collapse: separate;
  border-spacing: 1rem 0.5rem;
}

.profile-img {
  border-radius: var(--border-radius);
  object-fit: cover;
  width: 300px;
  height: 450px;
}

.project-image {
  width: 100%;
  max-width: 720px;
  height: auto;
  display: block;
  margin: 0.5 auto;
  border-radius: var(--border-radius);
}

.avatar-img {
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--secondary-color);
}


/* Tablet */
@media (max-width: 1024px) {
  header {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }

  #projects {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

/* Phone */
@media (max-width: 768px) {
  body {
    padding: calc(var(--spacing-unit) / 2);
  }

  header {
    flex-direction: column;
  }

  main {
    padding: var(--spacing-unit);
  }

  form label,
  form input,
  form textarea,
  form button {
    width: 95%;
  }

  #projects {
    grid-template-columns: 1fr;
    margin-left: 2rem;
    margin-right: 2rem;
  }

  .table-wrapper {
    height: 350px;
  }

  .instruction-set-table {
    transform: scale(0.6);
    transform-origin: 0 0;
  }
}

main:has(#about-me),
main:has(form) {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

/* --- View Transition root animation (SPA-style) --- */
::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 250ms;
  animation-timing-function: ease-out;
}

::view-transition-old(root) {
  animation-name: fade-out;
}

::view-transition-new(root) {
  animation-name: fade-in;
}

@keyframes fade-out {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

#projects .project-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
}

#projects .project-card h3 {
  cursor: pointer;
}

#projects .project-card.is-active {
  transform: scale(1.02);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

#projects .project-card.is-dimmed {
  opacity: 0.35;
  filter: blur(1px);
}

/* --- Modal for project details --- */
body.has-modal {
  overflow: hidden;
}

.project-modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  z-index: 999;
}

.project-modal__body img {
  display: block;
  margin: 0.5rem auto;
  max-width: 100%;
  height: auto;
  text-align: center;
}


.project-modal[hidden] {
  display: none;
}

.project-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
}

.project-modal__content {
  position: relative;
  max-width: min(900px, 90vw);
  max-height: 85vh;
  padding: var(--spacing-unit);
  border-radius: var(--border-radius);
  background: var(--background-color, #fff);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.4);
  overflow: auto;
}

.project-modal__body {
  margin-top: 1.5rem;
}

.project-modal__close {
  position: absolute;
  top: 0.4rem;
  right: 0.6rem;
  border: none;
  background: transparent;
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  color: inherit;
}

/* Optional: make project cards visibly clickable */
#projects article {
  cursor: pointer;
}

#projects article a {
  cursor: pointer;
}