/* Fonts */
@font-face {
  font-family: 'JetBrains Mono';
  src: url('/static/fonts/JetBrainsMono-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'JetBrains Mono';
  src: url('/static/fonts/JetBrainsMono-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('/static/fonts/Inter-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('/static/fonts/Inter-Bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

/* Custom Properties */
:root {
  --brand: #4a7a3f;
  --brand-light: #5a8f4e;
  --bg: #faf9f7;
  --bg-secondary: #f0eee9;
  --text: #3d4a3f;
  --text-muted: #7a8b7e;
  --border: #d8d4cc;
  --code-bg: #f0eee9;
  --font-body: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --max-width: 700px;
}

html.dark {
  --brand: #8fa37a;
  --brand-light: #a0b48c;
  --bg: #1a1b17;
  --bg-secondary: #242421;
  --text: #c8d4ca;
  --text-muted: #7a8b7e;
  --border: #3a3a36;
  --code-bg: #242421;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 19px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.2s, color 0.2s;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.5em;
  color: var(--text);
}

h1 { font-size: clamp(1.8rem, 4vw, 2.2rem); }
h2 { font-size: clamp(1.4rem, 3vw, 1.7rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.3rem); }

p { margin-bottom: 1em; }

a {
  color: var(--brand);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

/* Main content area */
main {
  flex: 1;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
}
.site-header .inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.site-title {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}
.site-title:hover {
  color: var(--brand);
  text-decoration: none;
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.site-nav a {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.25rem 0;
}
.site-nav a:hover, .site-nav a.active {
  color: var(--brand);
}
.header-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.lang-toggle, .theme-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.lang-toggle:hover, .theme-toggle:hover {
  border-color: var(--brand);
  color: var(--brand);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
.site-footer a {
  color: var(--text-muted);
}
.site-footer a:hover {
  color: var(--brand);
}

/* Post cards */
.post-card {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
}
.post-card:last-child {
  border-bottom: none;
}
.post-card h2 {
  font-size: clamp(1.1rem, 2.5vw, 1.3rem);
  margin-bottom: 0.25rem;
}
.post-card h2 a {
  color: var(--text);
}
.post-card h2 a:hover {
  color: var(--brand);
}
.post-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.post-description {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Link cards (linkding-style) */
.link-card {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.link-card:last-child {
  border-bottom: none;
}
.link-card-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
}
.link-card-title a {
  color: var(--brand);
}
.link-card-domain {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}
.link-card-description {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}
.link-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.4rem;
}
.link-card-date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}
.link-card-notes {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  padding: 0.5rem;
  background: var(--bg-secondary);
  border-radius: 4px;
}
.link-card-notes-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  font-family: var(--font-mono);
  padding: 0;
}
.link-card-notes-toggle:hover {
  color: var(--brand);
}

/* Tags */
.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text-muted);
  text-decoration: none;
}
.tag:hover {
  border-color: var(--brand);
  color: var(--brand);
  text-decoration: none;
}

/* Portfolio cards */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
.portfolio-card {
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}
.portfolio-card img {
  width: 100%;
  height: auto;
  display: block;
}
.portfolio-card-body {
  padding: 1rem;
}
.portfolio-card-body h3 {
  margin-bottom: 0.25rem;
}
.portfolio-card-body h3 a {
  color: var(--text);
}
.portfolio-card-body h3 a:hover {
  color: var(--brand);
}
.portfolio-card-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Article/prose content */
.prose h2, .prose h3, .prose h4 {
  margin-top: 1.5em;
}
.prose img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
  margin: 1em 0;
}
.prose blockquote {
  border-left: 3px solid var(--brand);
  padding-left: 1rem;
  margin: 1em 0;
  color: var(--text-muted);
}
.prose code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--code-bg);
  padding: 0.15em 0.3em;
  border-radius: 3px;
}
.prose pre {
  background: var(--code-bg);
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 1em 0;
}
.prose pre code {
  background: none;
  padding: 0;
}
.prose ul, .prose ol {
  margin: 1em 0;
  padding-left: 1.5em;
}
.prose li {
  margin-bottom: 0.25em;
}
.prose hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 2em 0;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
}
.prose th, .prose td {
  border: 1px solid var(--border);
  padding: 0.5rem;
  text-align: left;
}
.prose sup a {
  text-decoration: none;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.pagination a, .pagination span {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pagination span {
  color: var(--text-muted);
  cursor: default;
}

/* Search/filter bar */
.filter-bar {
  margin-bottom: 1.5rem;
}
.filter-bar input {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  background: var(--bg);
  color: var(--text);
}
.filter-bar input:focus {
  outline: none;
  border-color: var(--brand);
}
.active-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.75rem;
}

/* Admin styles */
.admin-header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.5rem;
}
.admin-header .inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.admin-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem;
}
.admin-header h1 {
  font-size: 1.3rem;
}
.admin-nav {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
}
.admin-nav a {
  color: var(--text-muted);
}
.admin-nav a:hover {
  color: var(--brand);
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-bottom: 0.3rem;
  color: var(--text-muted);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  background: var(--bg);
  color: var(--text);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--brand);
}
.form-group textarea {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  min-height: 300px;
  resize: vertical;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 500px) {
  .form-row {
    grid-template-columns: 1fr;
  }
}
.form-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.form-check input {
  width: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: none;
  min-height: 44px;
  min-width: 44px;
  background: var(--bg);
  color: var(--text);
}
.btn:hover {
  border-color: var(--brand);
  color: var(--brand);
  text-decoration: none;
}
.btn-primary {
  background: var(--brand);
  color: #fff;
  border-color: var(--brand);
}
.btn-primary:hover {
  background: var(--brand-light);
  color: #fff;
}
.btn-danger {
  color: #cc3333;
  border-color: #cc3333;
}
.btn-danger:hover {
  background: #cc3333;
  color: #fff;
}
.btn-sm {
  font-size: 0.75rem;
  padding: 0.3rem 0.6rem;
  min-height: 36px;
}

/* Admin tables */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.admin-table th, .admin-table td {
  text-align: left;
  padding: 0.6rem 0.5rem;
  border-bottom: 1px solid var(--border);
}
.admin-table th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}
.admin-table .actions {
  display: flex;
  gap: 0.5rem;
}

/* Login page */
.login-container {
  max-width: 360px;
  margin: 4rem auto;
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}
.login-container h1 {
  text-align: center;
  margin-bottom: 1.5rem;
}

/* Preview */
.preview-container {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.5rem;
  margin-top: 1rem;
}

/* Messages */
.msg {
  padding: 0.75rem 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}
.msg-error {
  background: #ffeaea;
  color: #cc3333;
  border: 1px solid #ffcccc;
}
html.dark .msg-error {
  background: #2a0a0a;
  border-color: #662222;
}
.msg-success {
  background: #eaffea;
  color: #227722;
  border: 1px solid #ccffcc;
}
html.dark .msg-success {
  background: #0a2a0a;
  border-color: #226622;
}

/* Responsive */
@media (max-width: 768px) {
  html { font-size: 16px; }
  main { padding: 1.5rem 1rem; }
  .site-header .inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .site-nav {
    width: 100%;
  }
  .admin-table {
    font-size: 0.75rem;
  }
  .admin-table .actions {
    flex-direction: column;
  }
}