/* Custom CSS for Minimalist Design Studio Aesthetic */

/* Global Settings */
html {
  scroll-behavior: smooth;
  background-color: #1B262C; /* Match midnight */
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar - Minimalist & Dark */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #1B262C;
}
::-webkit-scrollbar-thumb {
  background: #233038;
  border-radius: 0px; /* Sharp edges */
}
::-webkit-scrollbar-thumb:hover {
  background: #E07A5F; /* Terracotta hover */
}

/* Text Selection */
::selection {
  background: #E07A5F;
  color: #F4F1EA;
}

/* Fade In Animation */
.fade-in-section {
  opacity: 0;
  transform: translateY(10px); /* Reduced movement for subtler effect */
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform; /* Performance hint */
}
.fade-in-section.is-visible {
  opacity: 1;
  transform: none;
}

/* Navigation Active State */
.nav-link.active {
  color: #E07A5F; /* Terracotta */
}

/* Typography Overrides */
h1, h2, h3, h4, h5, h6 {
  font-weight: 400; /* Lighter weights for elegance */
}

/* Prose (Markdown) Rendering
   Parent containers control width; no max-width set here.
   Heading sizes are explicit because Tailwind Preflight resets them to inherit. */
.prose {
    color: #BCCCDC;
}

.prose h1,
.prose h2,
.prose h3,
.prose h4 {
    color: #F4F1EA;
    font-family: 'Fraunces', serif;
    font-weight: 300;
    margin-top: 2.25em;
    margin-bottom: 0.75em;
    line-height: 1.3;
}

.prose h1 { font-size: 2rem; }

.prose h2 {
    font-size: 1.6rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 0.4em;
}

.prose h3 { font-size: 1.25rem; }

.prose h4 {
    font-size: 0.875rem;
    font-family: 'Space Mono', monospace;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: #778DA9;
}

.prose p {
    line-height: 1.85;
    margin-bottom: 1.5em;
}

.prose strong {
    color: #E07A5F;
    font-weight: 600;
}

.prose em {
    font-style: italic;
    color: rgba(244, 241, 234, 0.9);
}

.prose a {
    color: #E07A5F;
    text-decoration: none;
    border-bottom: 1px solid rgba(224, 122, 95, 0.3);
    transition: border-color 0.3s ease;
}

.prose a:hover {
    border-bottom-color: #E07A5F;
}

/* Lists
   Tailwind Preflight sets list-style: none globally — restore explicitly. */
.prose ul,
.prose ol {
    padding-left: 1.75em;
    margin: 1.25em 0;
}

.prose ul { list-style-type: disc; }
.prose ol { list-style-type: decimal; }

.prose li {
    margin-bottom: 0.5em;
    line-height: 1.75;
    display: list-item;
}

.prose li p { margin: 0; }

.prose ul > li::marker {
    color: #E07A5F;
}

.prose ol > li::marker {
    color: #E07A5F;
    font-family: 'Space Mono', monospace;
    font-size: 0.85em;
}

.prose ul ul,
.prose ol ol,
.prose ul ol,
.prose ol ul {
    margin: 0.25em 0;
}

/* Inline code */
.prose code {
    color: #E07A5F;
    background-color: rgba(255, 255, 255, 0.06);
    padding: 0.2em 0.45em;
    border-radius: 0;
    font-family: 'Space Mono', monospace;
    font-size: 0.82em;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* Code blocks — reset the inline code decoration inside <pre> */
.prose pre {
    background-color: #080f18;
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-left: 3px solid #E07A5F;
    border-radius: 0;
    padding: 1.5em;
    overflow-x: auto;
    margin: 2em 0;
}

.prose pre code {
    color: inherit;
    background: none;
    padding: 0;
    border: none;
    font-size: 0.875em;
}

/* Tables */
.prose-table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 2em 0;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.prose table {
    width: 100%;
    min-width: 480px;
    border-collapse: collapse;
    margin: 0;
    font-size: 0.875em;
}

.prose thead {
    border-bottom: 2px solid rgba(224, 122, 95, 0.4);
}

.prose th {
    color: #F4F1EA;
    font-family: 'Space Mono', monospace;
    font-size: 0.75em;
    font-weight: 700;
    text-align: left;
    padding: 0.75em 1em;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.prose td {
    padding: 0.75em 1em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    color: #BCCCDC;
    vertical-align: top;
}

.prose tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

/* Horizontal rule */
.prose hr {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: 3em 0;
}

/* Blockquote */
.prose blockquote {
    border-left: 3px solid #E07A5F;
    margin: 2em 0;
    padding: 0.75em 1.5em;
    background-color: rgba(255, 255, 255, 0.02);
    color: rgba(244, 241, 234, 0.75);
    font-style: italic;
    font-family: 'Fraunces', serif;
    font-size: 1.05em;
}

.prose blockquote p { margin: 0; }

/* Images */
.prose img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 2em auto;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* KaTeX math rendering */
.katex-display {
    overflow-x: auto;
    padding: 1.25em 0;
    color: #F4F1EA;
    text-align: center;
}

.katex { font-size: 1.05em; }

/* Links & Buttons Hover Effects */
a, button {
  transition-timing-function: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Image Effects */
.reveal-on-hover {
  filter: grayscale(100%);
  transition: filter 0.5s ease;
}
.reveal-on-hover:hover {
  filter: grayscale(0%);
}

/* Prose image — click-to-enlarge trigger */
.prose-img-zoomable {
    cursor: zoom-in;
    transition: opacity 0.2s ease;
}

.prose-img-zoomable:hover {
    opacity: 0.8;
}

/* Image Lightbox
   Flat element appended to <body>; avoids stacking context issues caused by
   modal transforms and backdrop-filter on sibling elements. */
#img-lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(13, 27, 42, 0.97);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    cursor: zoom-out;
}

#img-lightbox.img-lightbox--active {
    opacity: 1;
    visibility: visible;
}

#img-lightbox .img-lightbox__img {
    display: block;
    max-width: 95vw;
    max-height: 95vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: default;
}

.img-lightbox__close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #F4F1EA;
    padding: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background: rgba(13, 27, 42, 0.7);
    cursor: pointer;
    line-height: 0;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.img-lightbox__close:hover {
    color: #E07A5F;
    border-color: rgba(224, 122, 95, 0.5);
}