/* ============================================================
   MINIMALIST PERSONAL BLOG — Clean typography and theme rules
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Lora:ital,wght@0,400;0,500;0,600;1,400&display=swap');

/* ---------- Theme Colors & Variables ---------- */
:root {
  /* Light Theme (Default) */
  --bg-primary: #fcfbf9;
  --bg-secondary: #f3f1ed;
  --bg-card: #ffffff;
  --text-primary: #1c1c1e;
  --text-secondary: #5c5c60;
  --text-muted: #8e8e93;
  --accent-color: #3b82f6; /* Modern Blue */
  --border-color: #e5e5ea;
  
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Lora', Georgia, serif;
}

[data-theme="dark"] {
  /* Dark Theme */
  --bg-primary: #121214;
  --bg-secondary: #1a1a1e;
  --bg-card: #1c1c1f;
  --text-primary: #f5f5f7;
  --text-secondary: #a1a1a6;
  --text-muted: #727278;
  --accent-color: #60a5fa;
  --border-color: #2c2c2e;
}

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

html, body {
  width: 100%;
  min-height: 100%;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
}

::selection {
  background: var(--accent-color);
  color: #fff;
}

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

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 30px 20px;
}

/* ---------- Header Navigation ---------- */
.blog-header {
  border-bottom: 1px solid var(--border-color);
  padding: 20px 0;
}

.blog-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.blog-title {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}
.blog-title:hover {
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.nav-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}
.nav-link:hover {
  color: var(--text-primary);
  text-decoration: none;
}

/* Theme Toggle Button */
.theme-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: background-color 0.2s;
}
.theme-toggle:hover {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* ---------- Listing Dashboard ---------- */
.intro-sec {
  padding: 50px 0 30px;
  text-align: center;
}

.intro-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 10px;
}

.intro-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  font-family: var(--font-serif);
  font-style: italic;
}

/* Search bar */
.search-container {
  margin: 30px 0;
}
.search-input {
  width: 100%;
  padding: 12px 18px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: var(--font-sans);
  outline: none;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.search-input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* Tags Filter list */
.tags-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 40px;
}

.tag-btn {
  background-color: var(--bg-secondary);
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.tag-btn:hover, .tag-btn.active {
  background-color: var(--accent-color);
  color: #ffffff;
}

/* Article Index feed cards */
.articles-feed {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.feed-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.feed-card__meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.feed-card__title-link {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}
.feed-card__title-link:hover {
  color: var(--accent-color);
  text-decoration: none;
}

.feed-card__excerpt {
  font-family: var(--font-serif);
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

.feed-card__tags {
  display: flex;
  gap: 8px;
}
.feed-card__tag {
  font-size: 0.75rem;
  color: var(--accent-color);
  font-weight: 500;
}

/* ---------- Reading Page Template ---------- */
.post-layout {
  padding: 50px 0;
}

.post-back-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 30px;
}
.post-back-link:hover {
  color: var(--accent-color);
  text-decoration: none;
}

.post-header-pane {
  margin-bottom: 40px;
}
.post-header-pane__meta {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.post-header-pane__title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.25;
  margin-bottom: 20px;
}

.post-body-content {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-primary);
}

.post-body-content h1,
.post-body-content h2,
.post-body-content h3 {
  font-family: var(--font-sans);
  color: var(--text-primary);
  margin-top: 35px;
  margin-bottom: 15px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.post-body-content h1 { font-size: 1.6rem; }
.post-body-content h2 { font-size: 1.35rem; }
.post-body-content h3 { font-size: 1.15rem; }

.post-body-content p {
  margin-bottom: 20px;
}

.post-body-content code {
  font-family: monospace;
  font-size: 0.85em;
  background-color: var(--bg-secondary);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--text-primary);
}

.post-body-content pre {
  background-color: var(--bg-secondary);
  border-radius: 8px;
  padding: 20px;
  overflow-x: auto;
  margin-bottom: 25px;
}

.post-body-content pre code {
  background-color: transparent;
  padding: 0;
  color: var(--text-primary);
  font-size: 0.85rem;
  line-height: 1.5;
}

.post-body-content blockquote {
  border-left: 4px solid var(--accent-color);
  padding-left: 20px;
  margin: 25px 0;
  font-style: italic;
  color: var(--text-secondary);
}

.post-body-content ul, .post-body-content ol {
  margin-bottom: 20px;
  padding-left: 20px;
}
.post-body-content li {
  margin-bottom: 6px;
}

.post-body-content hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 40px 0;
}

/* ---------- Editor View ---------- */
.editor-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 30px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}

.form-input, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-primary);
  border-radius: 6px;
  font-size: 0.95rem;
  outline: none;
  font-family: var(--font-sans);
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 250px;
  font-family: var(--font-serif);
}

.btn-publish {
  align-self: flex-start;
  background-color: var(--accent-color);
  color: #ffffff;
  border: none;
  padding: 10px 24px;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}
.btn-publish:hover {
  opacity: 0.9;
}
.btn-publish:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ---------- Footer ---------- */
.blog-footer {
  text-align: center;
  padding: 40px 0;
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
  margin-top: 60px;
}

/* ---------- Mobile Responsive Overrides ---------- */
@media (max-width: 600px) {
  .container {
    padding: 20px 16px;
  }
  
  .intro-sec {
    padding: 30px 0 15px;
  }
  
  .intro-title {
    font-size: 1.75rem;
    letter-spacing: -0.5px;
  }
  
  .post-header-pane {
    margin-bottom: 24px;
  }
  
  .post-header-pane__title {
    font-size: 1.75rem;
    letter-spacing: -0.5px;
    line-height: 1.3;
    margin-bottom: 12px;
  }
  
  .post-body-content {
    font-size: 1rem;
    line-height: 1.65;
  }
  
  .post-body-content h1 { font-size: 1.4rem; }
  .post-body-content h2 { font-size: 1.25rem; }
  .post-body-content h3 { font-size: 1.1rem; }
  
  .post-body-content pre {
    padding: 12px;
    margin-bottom: 18px;
    border-radius: 6px;
  }
  
  .post-body-content pre code {
    font-size: 0.8rem;
  }
  
  .nav-links {
    gap: 14px;
  }
  
  .editor-form {
    gap: 16px;
  }
  
  .btn-publish {
    width: 100%;
    text-align: center;
    padding-block: 12px;
  }
}