/* =========================
   Day / Night Theme
   ========================= */

:root {
  --bg-color: #f5f1e8;
  --text-color: #2b2b2b;
  --accent-color: #3a6f5c;
  --border-color: #d6d1c4;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-color: #031f26;
    --text-color: #e6edf3;
    --accent-color: #6fb1ff;
    --border-color: #1e3a5a;
  }
}

html,
body {
  background-color: var(--bg-color) !important;
  color: var(--text-color) !important;
  font-family: "JetBrains Mono", monospace;
}

a {
  color: var(--accent-color);
}

/* Manual override */
html[data-theme="light"] {
  --bg-color: #f5f1e8;
  --text-color: #2b2b2b;
  --accent-color: #3a6f5c;
  --border-color: #d6d1c4;
}

html[data-theme="dark"] {
  --bg-color: #0b1d2d;
  --text-color: #e6edf3;
  --accent-color: #6fb1ff;
  --border-color: #1e3a5a;
}

/* =========================
   Layout
   ========================= */

.container {
  max-width: 1000px;
  padding-left: 2rem;
  padding-right: 2rem;
}

/* =========================
   Home
   ========================= */

.home-intro {
  display: flex;
  gap: 2.2rem;
  align-items: flex-start;
  margin-top: 1.5rem;
  margin-bottom: 2rem;
}

.profile-img {
  width: 180px;
  height: 180px;
  object-fit: cover;
  object-position: center top;
  border-radius: 14px;
  border: 1px solid var(--border-color);
}

.home-text {
  max-width: 720px;
}

.home-name {
  margin: 0 0 0.9rem 0;
  font-size: 2.0rem;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}


.home-paragraph {
  margin: 0 0 0.9rem 0;
  text-align: justify;
  text-indent: 0;
  white-space: normal;
  max-width: 720px;
}


.home-text a {
  color: var(--accent-color);
  text-decoration: none;
  border-bottom: 1px dashed var(--border-color);
}

.home-text a:hover {
  border-bottom-color: var(--accent-color);
}

/* Buttons */
.home-actions {
  margin-top: 1.1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.home-btn {
  display: inline-block;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-color);
}

.home-btn:hover {
  border-color: var(--accent-color);
}

.home-btn.secondary {
  opacity: 0.9;
}

/* =========================
   Mobile
   ========================= */

@media (max-width: 700px) {
  .home-intro {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .home-text {
    max-width: 100%;
  }

  .home-paragraph {
    text-align: left;
  }

  .profile-img {
    width: 120px;
    height: 120px;
    margin-bottom: 0.8rem;
  }

  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}


/* -------------------------
   Collapsible tools panel
   ------------------------- */

.tools {
  margin-top: 1rem;
}

.tools-summary {
  cursor: pointer;
  user-select: none;
  color: var(--accent-color);
  list-style: none;
  outline: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0;
}

/* remove default triangle in some browsers */
.tools-summary::-webkit-details-marker {
  display: none;
}

/* custom marker */
.tools-summary::before {
  content: "▶";
  display: inline-block;
  transform: translateY(-0.5px);
  opacity: 0.9;
}

details[open] > .tools-summary::before {
  content: "▼";
}

.tools-body {
  margin-top: 0.75rem;
}

/* make terminal look like a nested panel */
.tools .terminal {
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1rem;
}


/* =========================
   Research project cards
   ========================= */

.research-list {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  margin-top: 1.5rem;
}

.project-card {
  padding: 1.2rem 1.4rem;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  background-color: transparent;
}

.project-title {
  margin: 0 0 0.6rem 0;
  font-size: 1.35rem;
  line-height: 1.25;
}

.project-desc {
  margin: 0 0 0.8rem 0;
  text-align: justify;
  hyphens: auto;
}

.project-meta {
  font-size: 0.9rem;
  color: rgba(140, 160, 170, 0.8);
}

/* Mobile */
@media (max-width: 700px) {
  .project-desc {
    text-align: left;
  }
}