/* Larger mermaid diagrams only */
.mermaid {
  width: 100%;
  min-height: 500px;
}

.mermaid svg {
  max-width: 100% !important;
  width: 100% !important;
  height: auto !important;
}

/* Hide button when wrapper is in fullscreen mode */
.mermaid-wrapper-fullscreen button {
  display: none !important;
  visibility: hidden !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

/* =========================================
   Landing Page Styles
   ========================================= */

/* --- Full-width LP container --- */
.lp-container {
  max-width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
}

.md-main__inner:has(.lp-container) {
  margin: 0;
  max-width: 100%;
  display: block;
}

/* --- Section titles --- */
.lp-section-title {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.75rem;
  color: var(--md-default-fg-color);
}

.lp-divider {
  width: 4rem;
  height: 4px;
  background: linear-gradient(90deg, #3f51b5, #7c4dff);
  margin: 0 auto 3rem;
  border-radius: 2px;
}

.lp-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--md-default-fg-color--light);
}

/* --- Hero gradient background --- */
.lp-hero-gradient {
  background: linear-gradient(135deg, #1a237e 0%, #303f9f 35%, #5c6bc0 65%, #7c4dff 100%);
  background-size: 200% 200%;
  animation: lp-gradient-shift 10s ease-in-out infinite alternate;
}

@keyframes lp-gradient-shift {
  0%   { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

.lp-hero-particles {
  background-image:
    radial-gradient(2px 2px at 10% 20%, rgba(255,255,255,0.25), transparent),
    radial-gradient(2px 2px at 30% 65%, rgba(255,255,255,0.15), transparent),
    radial-gradient(3px 3px at 55% 15%, rgba(255,255,255,0.2), transparent),
    radial-gradient(2px 2px at 75% 55%, rgba(255,255,255,0.12), transparent),
    radial-gradient(2px 2px at 90% 80%, rgba(255,255,255,0.18), transparent);
  background-size: 200% 200%;
  animation: lp-particles-float 25s linear infinite;
}

@keyframes lp-particles-float {
  0%   { background-position: 0% 0%; }
  100% { background-position: 100% 100%; }
}

/* --- Hero staggered fade-in --- */
.lp-fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: lp-fade-up 0.8s ease-out forwards;
}

.lp-fade-in:nth-child(1) { animation-delay: 0.1s; }
.lp-fade-in:nth-child(2) { animation-delay: 0.3s; }
.lp-fade-in:nth-child(3) { animation-delay: 0.5s; }
.lp-fade-in:nth-child(4) { animation-delay: 0.7s; }
.lp-fade-in:nth-child(5) { animation-delay: 0.9s; }
.lp-fade-in:nth-child(6) { animation-delay: 1.1s; }

@keyframes lp-fade-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Hero CTA buttons --- */
.lp-btn-primary {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 2rem;
  background: #fff;
  color: #3f51b5;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 9999px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  text-decoration: none;
  transition: all 0.3s ease;
}

.lp-btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(0,0,0,0.3);
  color: #3f51b5;
  text-decoration: none;
}

.lp-btn-outline {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 2rem;
  border: 2px solid rgba(255,255,255,0.5);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  border-radius: 9999px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.lp-btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  color: #fff;
  text-decoration: none;
}

/* --- Bounce animation for scroll indicator --- */
.lp-bounce {
  animation: lp-bounce 2s ease-in-out infinite;
}

@keyframes lp-bounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(10px); }
}

/* --- Scroll-based reveal --- */
.lp-observe {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.lp-observe.lp-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- About grid --- */
.lp-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

@media (max-width: 768px) {
  .lp-about-grid {
    grid-template-columns: 1fr;
  }
}

/* --- VS Code mockup --- */
.lp-vscode {
  border-radius: 0.5rem;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(0,0,0,0.25);
  border: 1px solid #333;
  font-family: 'Segoe UI', 'Noto Sans', sans-serif;
}

.lp-vscode-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.25rem 0.5rem;
  background: #323233;
  border-bottom: 1px solid #252526;
}

.lp-vscode-titlebar-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lp-vscode-title-text {
  font-size: 0.7rem;
  color: #999;
}

.lp-win-buttons {
  display: flex;
  gap: 0;
}

.lp-win-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 1.4rem;
  font-size: 0.65rem;
  color: #999;
  transition: background 0.15s;
}

.lp-win-btn:hover {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.lp-win-close:hover {
  background: #e81123;
  color: #fff;
}

.lp-vscode-tabs {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 1rem;
  background: #1e1e1e;
  border-bottom: 1px solid #333;
  height: 2rem;
}

.lp-vscode-panel-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: #e0e0e0;
  letter-spacing: 0.05em;
}

.lp-vscode-tab-active {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.7rem;
  color: #ccc;
  padding: 0.25rem 0.5rem;
  background: #2d2d2d;
  border-radius: 0.25rem;
}

.lp-vscode-terminal {
  padding: 0.75rem 1rem;
  background: #1e1e1e;
  font-family: 'Fira Code', 'Cascadia Code', monospace;
  font-size: 0.8rem;
  line-height: 1.7;
  min-height: 7rem;
}

.lp-vscode-line {
  white-space: nowrap;
}

.lp-ps-prompt {
  color: #569cd6;
}

.lp-ps-cmd {
  color: #dcdcdc;
}

.lp-ps-cursor {
  display: inline-block;
  width: 0.55rem;
  height: 1rem;
  background: #ccc;
  vertical-align: text-bottom;
  animation: lp-blink 1s step-end infinite;
}

@keyframes lp-blink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

/* --- Tech stack grid --- */
.lp-tech-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .lp-tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Tech cards --- */
.lp-card {
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid rgba(128,128,128,0.15);
  background: rgba(128,128,128,0.04);
  transition: all 0.3s ease;
  text-align: center;
}

.lp-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(63,81,181,0.15);
  border-color: rgba(63,81,181,0.3);
}

.lp-card-icon {
  margin-bottom: 0.75rem;
  display: flex;
  justify-content: center;
}

.lp-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--md-default-fg-color);
  margin: 0 0 0.25rem;
}

.lp-card-desc {
  font-size: 0.9rem;
  color: var(--md-default-fg-color--light);
  margin: 0;
}

/* --- Work items --- */
.lp-work-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(128,128,128,0.15);
  background: rgba(128,128,128,0.04);
  transition: all 0.3s ease;
}

.lp-work-item:hover {
  border-color: rgba(63,81,181,0.3);
  background: rgba(63,81,181,0.05);
}

.lp-work-icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  background: rgba(63,81,181,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #5c6bc0;
}

.lp-work-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--md-default-fg-color);
  margin: 0 0 0.25rem;
}

.lp-work-desc {
  font-size: 0.9rem;
  color: var(--md-default-fg-color--light);
  margin: 0;
}

/* --- OSS Projects --- */
.lp-oss-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .lp-oss-grid {
    grid-template-columns: 1fr;
  }
}

.lp-oss-card {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid rgba(128,128,128,0.15);
  background: rgba(128,128,128,0.04);
  text-decoration: none !important;
  color: var(--md-default-fg-color) !important;
  transition: all 0.3s ease;
}

.lp-oss-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(63,81,181,0.15);
  border-color: rgba(63,81,181,0.3);
}

.lp-oss-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.lp-oss-card-icon {
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  background: rgba(63,81,181,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #5c6bc0;
}

.lp-oss-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
  color: var(--md-default-fg-color);
}

.lp-oss-card-badge {
  font-size: 0.7rem;
  font-weight: 600;
  color: #7c4dff;
  background: rgba(124,77,255,0.1);
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
}

.lp-oss-card-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--md-default-fg-color--light);
  margin: 0 0 1rem;
  flex: 1;
}

.lp-oss-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.lp-oss-tag {
  font-size: 0.72rem;
  padding: 0.2rem 0.6rem;
  border-radius: 0.25rem;
  background: rgba(128,128,128,0.08);
  color: var(--md-default-fg-color--light);
}

.lp-oss-card-footer {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--md-default-fg-color--light);
}

.lp-oss-lang {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.lp-oss-lang-dot {
  width: 0.6rem;
  height: 0.6rem;
  border-radius: 50%;
}

.lp-oss-license {
  opacity: 0.6;
}

/* --- Interests --- */
.lp-interests-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.lp-interest-chip {
  padding: 0.5rem 1.25rem;
  border-radius: 9999px;
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid rgba(63,81,181,0.3);
  color: #5c6bc0;
  background: rgba(63,81,181,0.06);
  transition: all 0.3s ease;
}

.lp-interest-chip:hover {
  background: rgba(63,81,181,0.15);
  transform: translateY(-2px);
}

/* --- Link cards --- */
.lp-link-card {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(128,128,128,0.2);
  background: rgba(128,128,128,0.04);
  text-decoration: none !important;
  color: var(--md-default-fg-color) !important;
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  transition: all 0.3s ease;
}

.lp-link-card:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 25px rgba(63,81,181,0.15);
  border-color: rgba(63,81,181,0.4);
}

/* --- Alternating section backgrounds --- */
.lp-section-alt {
  background: rgba(128,128,128,0.04);
}

/* =========================================
   Dark Mode Overrides
   ========================================= */
[data-md-color-scheme="slate"] .lp-hero-gradient {
  background: linear-gradient(135deg, #0d1117 0%, #1a237e 40%, #4a148c 100%);
  background-size: 200% 200%;
}

[data-md-color-scheme="slate"] .lp-card {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.1);
}

[data-md-color-scheme="slate"] .lp-card:hover {
  box-shadow: 0 12px 40px rgba(124,77,255,0.15);
  border-color: rgba(124,77,255,0.3);
}

[data-md-color-scheme="slate"] .lp-work-item {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.1);
}

[data-md-color-scheme="slate"] .lp-work-item:hover {
  border-color: rgba(124,77,255,0.3);
  background: rgba(124,77,255,0.08);
}

[data-md-color-scheme="slate"] .lp-work-icon {
  background: rgba(124,77,255,0.15);
  color: #a78bfa;
}

[data-md-color-scheme="slate"] .lp-section-alt {
  background: rgba(255,255,255,0.02);
}

[data-md-color-scheme="slate"] .lp-link-card {
  border-color: rgba(255,255,255,0.15);
  background: rgba(255,255,255,0.04);
}

[data-md-color-scheme="slate"] .lp-link-card:hover {
  box-shadow: 0 8px 25px rgba(124,77,255,0.15);
  border-color: rgba(124,77,255,0.4);
}

[data-md-color-scheme="slate"] .lp-vscode {
  border-color: rgba(255,255,255,0.1);
}

[data-md-color-scheme="slate"] .lp-oss-card {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.1);
}

[data-md-color-scheme="slate"] .lp-oss-card:hover {
  box-shadow: 0 12px 40px rgba(124,77,255,0.15);
  border-color: rgba(124,77,255,0.3);
}

[data-md-color-scheme="slate"] .lp-oss-card-icon {
  background: rgba(124,77,255,0.15);
  color: #a78bfa;
}

[data-md-color-scheme="slate"] .lp-oss-card-badge {
  color: #a78bfa;
  background: rgba(124,77,255,0.15);
}

[data-md-color-scheme="slate"] .lp-oss-tag {
  background: rgba(255,255,255,0.08);
}

[data-md-color-scheme="slate"] .lp-interest-chip {
  border-color: rgba(124,77,255,0.3);
  color: #a78bfa;
  background: rgba(124,77,255,0.08);
}

[data-md-color-scheme="slate"] .lp-interest-chip:hover {
  background: rgba(124,77,255,0.18);
}

[data-md-color-scheme="slate"] .lp-btn-primary {
  background: #fff;
  color: #3f51b5;
}