/* Combined CSS for Praxis TI */

/* ===== DESIGN TOKENS ===== */
:root {
  /* Layout */
  --sidebar-width: 250px;
  --header-height: 120px;

  /* Typography */
  --font-serif: Georgia, 'Times New Roman', serif;
  --font-sans: Verdana, Geneva, sans-serif;
  --font-mono: 'Courier New', Courier, monospace;

  /* Colors */
  --color-text: #000;
  --color-bg: #ffffff;
  --color-border: #e5e5e5;
  --color-hover: #e0e0e0;
  --color-active: #d0d0d0;
  --color-accent: #d35400;

  /* Base styles */
  font-family: var(--font-serif);
  line-height: 1.5;
  font-weight: 400;
  color-scheme: light;
  color: var(--color-text);
  background-color: var(--color-bg);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  min-width: 320px;
  min-height: 100vh;
}

#root {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100vh;
  margin: 0;
  padding: 0;
}

h1 {
  font-size: 1.75em;
  line-height: 1.1;
  margin: 0;
  font-weight: 500;
}

h2, h3, h4, h5, h6 {
  font-weight: 500;
}

button {
  font-family: var(--font-serif);
  font-size: 1em;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 0.25s;
}

button:focus-visible {
  outline: 2px solid var(--color-text);
}

input, textarea, select {
  font-family: var(--font-serif);
}

/* ===== LAYOUT ===== */
.layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-content {
  display: flex;
  flex: 1;
  min-height: 0;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 2rem;
}

.main-content:not(.with-sidebar) {
  padding: 2rem;
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.main-content:not(.with-sidebar) .content-container {
  text-align: center;
  max-width: none;
}

.main-content:not(.with-sidebar) .content-container > * {
  text-align: center;
}

.main-content:not(.with-sidebar)[data-page="/"] .content-container img {
  max-width: 75%;
}

/* ===== SIDEBAR ===== */
.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background-color: var(--color-bg);
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  padding: 1.5rem;
  margin-left: 20px;
}

.sidebar-folder-title {
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--color-text);
  cursor: pointer;
  padding: 0.35rem 1rem;
  margin: 0 -1rem;
  list-style: none;
  display: flex;
  align-items: center;
}

.sidebar-folder-title::-webkit-details-marker {
  display: none;
}

.sidebar-folder-title:hover {
  background-color: var(--color-hover);
}

.sidebar-folder-title.active {
  background-color: var(--color-active);
}

.sidebar-chevron {
  display: inline-block;
  width: 1rem;
  margin-left: -1rem;
  text-align: center;
  transition: transform 0.2s ease;
}

.sidebar-chevron::before {
  content: '›';
}

.sidebar-folder[open] > .sidebar-folder-title .sidebar-chevron {
  transform: rotate(90deg);
}

.sidebar-folder-name {
  flex: 1;
}

.sidebar-children {
  margin-left: 0.5rem;
  padding-left: 0.75rem;
  border-left: 1px solid #ccc;
}

.sidebar-link {
  font-family: var(--font-sans);
  font-size: 16px;
  color: var(--color-text);
  text-decoration: none;
  display: block;
  padding: 0.35rem 1rem;
  margin: 0 -1rem;
}

.sidebar-link:hover {
  background-color: var(--color-hover);
}

.sidebar-link.active {
  background-color: var(--color-active);
}

/* Responsive */
@media (max-width: 768px) {
  .page-content {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    max-height: 300px;
  }
}

/* ===== CONTENT ===== */
.content-container {
  max-width: 900px;
  padding: 2rem;
}

.content-container h1 {
  font-family: var(--font-sans);
  font-size: 28px;
  margin-bottom: 20px;
}

.content-container h2 {
  font-family: var(--font-sans);
  font-size: 24px;
  margin-top: 1.5em;
  margin-bottom: 0.75em;
}

.content-container h3 {
  font-family: var(--font-sans);
  font-size: 16px;
  margin-top: 1.25em;
  margin-bottom: 0.5em;
}

.content-container p,
.content-container ul,
.content-container ol {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 1em;
}

.content-container ul,
.content-container ol {
  padding-left: 2em;
}

.content-container code {
  font-family: var(--font-mono);
  background-color: #f4f4f4;
  padding: 0.2em 0.4em;
  border-radius: 3px;
  font-size: 0.9em;
}

.content-container pre {
  background-color: #f4f4f4;
  padding: 1em;
  border-radius: 4px;
  overflow-x: auto;
  margin-bottom: 1em;
}

.content-container pre code {
  background: none;
  padding: 0;
}

.content-container blockquote {
  border-left: 4px solid var(--color-accent);
  margin-left: 0;
  padding-left: 1em;
  font-style: italic;
}

.content-container a {
  color: var(--color-accent);
  text-decoration: none;
}

.content-container a:hover {
  text-decoration: underline;
}

.content-container img {
  max-width: 50%;
  height: auto;
  margin-bottom: 1em;
}

.content-container hr {
  border: none;
  border-top: 1px solid #ddd;
  margin: 2em 0;
}

.content-container:has(.pdf-embed) {
  padding: 0;
}

/* ===== FILE TYPES ===== */
.directory-listing {
  font-family: var(--font-mono);
  font-size: 14px;
  border-collapse: collapse;
  width: 100%;
}

.directory-listing td {
  padding: 0.25rem 0.5rem;
}

.directory-listing a {
  color: var(--color-text);
  text-decoration: none;
}

.directory-listing a:hover {
  text-decoration: underline;
}

.directory-listing tr:hover {
  background-color: #f5f5f5;
}

.txt-content {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
  background-color: #f8f8f8;
  padding: 1rem;
  border-radius: 4px;
  overflow-x: auto;
}

.pdf-embed {
  width: 100%;
  height: calc(100vh - var(--header-height));
  border: none;
}

/* ===== HEADER ===== */
.header {
  height: var(--header-height);
  padding: 20px 2rem;
  position: relative;
  background: var(--color-bg);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: calc(100% + 60px);
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  mask: linear-gradient(to bottom, black 0%, transparent 100%);
  -webkit-mask: linear-gradient(to bottom, black 0%, transparent 100%);
  pointer-events: none;
}

.header-container {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  height: 100%;
  position: relative;
  z-index: 1;
}

.logo {
  height: 50px;
  width: auto;
}

.nav-container {
  display: flex;
  gap: 2rem;
  margin-top: 15px;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--color-text);
  text-decoration: none;
  position: relative;
  padding: 5px 0;
  letter-spacing: 4px;
  text-transform: uppercase;
  white-space: nowrap;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-text);
  transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}


/* ===== PAGE STYLES ===== */
.home-page {
  width: 100%;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.home-content {
  max-width: 800px;
  text-align: center;
}

.home-content h1 {
  font-family: var(--font-sans);
  font-size: 24px;
  margin-bottom: 20px;
}

.home-content p {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
}