/* Modern Blog Styles - Base (Dark Theme) */

/* CSS Reset and Base Variables */
:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #0f1410;
  --bg-tertiary: #171a18;
  --text-primary: #e8f5e8;
  --text-secondary: #a8d5a8;
  --text-muted: #6b8e6b;
  --accent: #4ade80;
  --accent-hover: #22c55e;
  --border: #1e2e1e;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
  --code-bg: #1a1f1a;
  --code-text: #c6f6c6;
  --tag-bg: #064e3b;
  --tag-text: #6ee7b7;
  --notice-bg: #064e3b;
  --notice-border: #10b981;
  --notice-text: #6ee7b7;
  --card-bg: #171a18;
  --card-hover: #1e2420;
  --nav-border: #1e2e1e;
  
  /* Font settings */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", SFMono-Regular, Consolas, "Liberation Mono", Menlo, Courier, monospace;
  
  /* Transitions */
  --transition: all 0.2s ease;
}

/* Light mode variables */
[data-theme="light"] {
  --bg-primary: #f0fdf4;
  --bg-secondary: #e6f7ed;
  --bg-tertiary: #dcf3e3;
  --text-primary: #052e16;
  --text-secondary: #166534;
  --text-muted: #15803d;
  --accent: #22c55e;
  --accent-hover: #16a34a;
  --border: #bbf7d0;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.2);
  --code-bg: #e6f7ed;
  --code-text: #14532d;
  --tag-bg: #dcfce7;
  --tag-text: #166534;
  --notice-bg: #dcfce7;
  --notice-border: #22c55e;
  --notice-text: #166534;
  --card-bg: #ffffff;
  --card-hover: #f0fdf4;
  --nav-border: #bbf7d0;
}

/* Base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

a:hover {
  color: var(--accent-hover);
}

/* Containers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

.content {
  flex-grow: 1;
  padding: 2rem 0;
}

/* Header styles */
header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--nav-border);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background-color: rgba(15, 20, 16, 0.9);
}

[data-theme="light"] header {
  background-color: rgba(230, 247, 237, 0.9);
}

header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}

.nav-logo:hover {
  opacity: 0.9;
}

.nav-logo img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin-right: 0.75rem;
  border: 2px solid var(--accent);
}

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

.nav-links a {
  color: var(--text-secondary);
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
}

.nav-links a:hover {
  color: var(--accent);
}

.nav-links a.active {
  color: var(--accent);
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--accent);
}

.header-actions {
  display: flex;
  align-items: center;
}

.theme-toggle,
.search-toggle {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: 1rem;
  transition: var(--transition);
}

.theme-toggle:hover,
.search-toggle:hover {
  color: var(--accent);
}

/* Animated theme toggle */
.theme-transition {
  animation: rotate 0.3s ease-in-out;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Hamburger menu (mobile) */
.hamburger {
  display: none;
  cursor: pointer;
  width: 30px;
  height: 24px;
  position: relative;
  margin-left: 1rem;
}

.hamburger span {
  display: block;
  position: absolute;
  height: 2px;
  width: 100%;
  background: var(--text-secondary);
  transition: .25s ease-in-out;
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 10px; }
.hamburger span:nth-child(3) { top: 20px; }

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg);
  top: 10px;
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg);
  top: 10px;
}

/* Hero section */
.hero {
  padding: 4rem 0;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  opacity: 0.05;
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  line-height: 1.2;
  background: linear-gradient(to right, var(--accent), var(--accent-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: var(--text-secondary);
}

.hero-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  border: 3px solid var(--accent);
  box-shadow: 0 0 20px rgba(74, 222, 128, 0.3);
}

/* Post cards */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.post-card {
  background-color: var(--card-bg);
  border-radius: 0.75rem;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid var(--border);
}

.post-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  background-color: var(--card-hover);
  border-color: var(--accent);
}

.post-card-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
}

.post-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.post-card:hover .post-card-image img {
  transform: scale(1.05);
}

.post-card-content {
  padding: 1.25rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.post-card-badge {
  display: inline-block;
  background-color: var(--tag-bg);
  color: var(--tag-text);
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.8rem;
  margin-bottom: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
}

.post-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
  line-height: 1.3;
}

.post-card-meta {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
  display: flex;
  gap: 1rem;
}

.post-card-excerpt {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  font-size: 0.95rem;
  flex-grow: 1;
}

.post-card-link {
  display: flex;
  align-items: center;
  color: var(--accent);
  font-weight: 500;
  font-size: 0.95rem;
  margin-top: auto;
}

.post-card-link svg {
  margin-left: 0.35rem;
  transition: var(--transition);
}

.post-card:hover .post-card-link svg {
  transform: translateX(5px);
}

/* Card Grid Layout */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

/* Responsive card grid for different screen sizes */
@media (min-width: 1400px) {
  .card-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 992px) and (max-width: 1399px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 576px) and (max-width: 991px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 575px) {
  .card-grid {
    grid-template-columns: 1fr;
  }
}

/* Project Cards */
.project-card {
  background-color: var(--card-bg);
  border-radius: 0.75rem;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  height: 100%;
  cursor: pointer;
  border: 1px solid var(--border);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  background-color: var(--card-hover);
  border-color: var(--accent);
}

.project-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  transition: transform 0.3s ease;
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
}

.project-card:hover img {
  transform: scale(1.05);
}

.project-card h3 {
  margin: 1rem 0 0.5rem;
  font-size: 1.25rem;
  padding: 0 1rem;
}

.project-card p {
  padding: 0 1rem 1rem;
  color: var(--text-secondary);
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0 1rem;
  margin-bottom: 0.5rem;
}

.project-tags span {
  background-color: var(--tag-bg);
  color: var(--tag-text);
  padding: 0.25rem 0.5rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Project Modal Styles */
.modal, #project-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  overflow-y: auto;
  padding: 20px;
  backdrop-filter: blur(5px);
}

.modal-content {
  background: var(--bg-secondary);
  max-width: 800px;
  width: 100%;
  border-radius: 1rem;
  padding: 25px;
  position: relative;
  margin: 40px auto;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.modal-close, .modal-project-close {
  position: absolute;
  top: 15px;
  right: 20px;
  font-size: 28px;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover, .modal-project-close:hover {
  color: var(--accent);
}

.modal h2, .modal-project h2 {
  margin-bottom: 20px;
  font-size: 1.8rem;
  color: var(--accent);
}

.modal-body img, .modal-project img {
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: contain;
  border-radius: 0.5rem;
  margin-bottom: 20px;
}

.modal-project {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.modal-project-img {
  width: 100%;
  height: auto;
  border-radius: 0.5rem;
  margin-bottom: 15px;
}

.modal-project-info {
  flex: 1;
}

.modal-tags {
  margin: 15px 0;
}

.project-description {
  margin: 20px 0;
  color: var(--text-secondary);
  line-height: 1.6;
}

.project-links {
  display: flex;
  gap: 15px;
  margin-top: 20px;
}

.project-date {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.btn-outline {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  border: 2px solid var(--accent);
  color: var(--accent);
  font-weight: 600;
  transition: var(--transition);
  background: transparent;
}

.btn-outline:hover {
  background-color: var(--accent);
  color: var(--bg-primary);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(74, 222, 128, 0.3);
}

@media (max-width: 768px) {
  .modal-project {
    flex-direction: column;
  }
  
  .modal-content {
    margin: 20px;
    padding: 20px;
    max-height: 90vh;
    overflow-y: auto;
  }
}

/* Profile card styles - About page */
.profile-card {
  max-width: 800px;
  margin: 2rem auto;
  padding: 2rem;
  background-color: var(--bg-secondary);
  border-radius: 1rem;
  box-shadow: var(--shadow);
  text-align: center;
  border: 1px solid var(--border);
}

.profile-card img {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  border: 3px solid var(--accent);
  object-fit: cover;
  box-shadow: 0 0 30px rgba(74, 222, 128, 0.3);
}

.profile-card h1 {
  margin-bottom: 0.75rem;
  font-size: 2rem;
}

.profile-card .award {
  display: inline-block;
  background-color: var(--tag-bg);
  color: var(--tag-text);
  padding: 0.35rem 1rem;
  border-radius: 1.5rem;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.profile-card p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.skills {
  margin: 1.5rem 0;
  text-align: left;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.skills ul {
  padding-left: 1.25rem;
  margin-top: 0.5rem;
  color: var(--text-secondary);
}

.skills li {
  margin-bottom: 0.35rem;
}

.contact-btns {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1.5rem;
}

.contact-btn {
  display: inline-block;
  padding: 0.5rem 1.25rem;
  border-radius: 0.375rem;
  background-color: var(--accent);
  color: var(--bg-primary);
  font-weight: 600;
  transition: var(--transition);
}

.contact-btn:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(74, 222, 128, 0.3);
}

/* Category cards styles */
.category-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
  margin: 2rem 0;
}

.category-card {
  background-color: var(--bg-secondary);
  border-radius: 0.75rem;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: block;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border);
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  background-color: var(--card-hover);
  border-color: var(--accent);
}

.category-card h2 {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
  font-size: 1.5rem;
  color: var(--accent);
}

.category-card h2 svg {
  margin-left: 0.5rem;
}

.category-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.category-card li {
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

/* Text center */
.text-center {
  text-align: center;
  margin: 2rem 0;
}

/* Latest Posts section */
.latest-posts {
  padding: 3rem 0;
}

.latest-posts h2 {
  display: flex;
  align-items: center;
  margin-bottom: 2rem;
  font-size: 1.8rem;
}

.latest-posts h2 svg {
  margin-right: 0.75rem;
  color: var(--accent);
}

/* Post content */
.post {
  max-width: 800px;
  margin: 0 auto;
}

.post-header {
  margin-bottom: 2rem;
}

.post-title {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  line-height: 1.2;
}

.post-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.post-meta svg {
  color: var(--accent);
}

.post-image {
  margin-bottom: 2rem;
  border-radius: 0.75rem;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.post-image img {
  width: 100%;
  height: auto;
}

.post-content {
  font-size: 1.1rem;
  line-height: 1.8;
}

.post-content p,
.post-content ul,
.post-content ol {
  margin-bottom: 1.5rem;
}

.post-content h2 {
  font-size: 1.8rem;
  margin: 2.5rem 0 1rem;
  color: var(--accent);
}

.post-content h3 {
  font-size: 1.4rem;
  margin: 2rem 0 1rem;
  color: var(--text-primary);
}

.post-content a {
  border-bottom: 2px solid var(--accent);
}

.post-content a:hover {
  border-bottom-color: var(--accent-hover);
}

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 0.5rem;
  margin: 1.5rem 0;
}

.post-content blockquote {
  border-left: 4px solid var(--accent);
  padding-left: 1.5rem;
  margin: 1.5rem 0;
  color: var(--text-secondary);
  font-style: italic;
  background-color: var(--bg-tertiary);
  padding: 1rem 1.5rem;
  border-radius: 0 0.5rem 0.5rem 0;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 2rem 0;
}

.post-tag {
  background-color: var(--tag-bg);
  color: var(--tag-text);
  padding: 0.35rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  transition: var(--transition);
}

.post-tag:hover {
  background-color: var(--accent);
  color: var(--bg-primary);
  transform: translateY(-2px);
}

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background-color: var(--accent);
  z-index: 1000;
  width: 0;
  box-shadow: 0 0 10px var(--accent);
}

/* Code blocks */
pre {
  background-color: var(--code-bg);
  padding: 1.25rem;
  border-radius: 0.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--border);
}

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--code-text);
  background-color: var(--code-bg);
  padding: 0.2em 0.4em;
  border-radius: 0.25rem;
}

pre code {
  padding: 0;
  background: none;
}

/* Notice boxes */
.notice {
  background-color: var(--notice-bg);
  border-left: 4px solid var(--notice-border);
  padding: 1.25rem;
  margin: 1.5rem 0;
  border-radius: 0 0.5rem 0.5rem 0;
}

.notice p:last-child {
  margin-bottom: 0;
}

/* Share buttons */
.share {
  margin: 2rem 0;
  display: flex;
  align-items: center;
}

.share h4 {
  margin-right: 1rem;
}

.share-buttons {
  display: flex;
  gap: 0.75rem;
}

.share-button {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  border: 1px solid var(--border);
}

.share-button:hover {
  background-color: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* Author box */
.author-box {
  display: flex;
  align-items: center;
  background-color: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: 0.75rem;
  margin: 2rem 0;
  border: 1px solid var(--border);
}

.author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin-right: 1.5rem;
  border: 2px solid var(--accent);
}

.author-info h3 {
  margin-bottom: 0.5rem;
  color: var(--accent);
}

.author-info p {
  color: var(--text-secondary);
}

/* Comments section */
.comments {
  margin: 3rem 0;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

/* Rating stars (for reviews) */
.rating {
  display: flex;
  align-items: center;
  background-color: var(--bg-tertiary);
  padding: 0.75rem 1.25rem;
  border-radius: 2rem;
  margin: 1.5rem 0;
  max-width: fit-content;
  border: 1px solid var(--border);
}

.rating-stars {
  color: #fbbf24;
  font-size: 1.25rem;
  margin-right: 0.75rem;
}

.rating-number {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--accent);
}

/* Footer */
footer {
  background-color: var(--bg-secondary);
  padding: 3rem 0 2rem;
  margin-top: 3rem;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-info {
  max-width: 350px;
}

.footer-info h3 {
  margin-bottom: 1rem;
  font-size: 1.5rem;
  color: var(--accent);
}

.footer-info p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.footer-links h4 {
  margin-bottom: 1rem;
  font-size: 1.1rem;
  color: var(--text-primary);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent);
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-link {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background-color: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  border: 1px solid var(--border);
}

.social-link:hover {
  background-color: var(--accent);
  color: var(--bg-primary);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Archive page */
.archive-section {
  margin-bottom: 3rem;
}

.archive-year {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.archive-month {
  font-size: 1.4rem;
  margin: 1.5rem 0 1rem;
  color: var(--text-secondary);
}

.archive-posts {
  margin-left: 1.5rem;
}

.archive-post {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
}

.archive-date {
  color: var(--text-muted);
  margin-right: 1rem;
  min-width: 100px;
  font-size: 0.9rem;
}

/* 404 page */
.error-page {
  text-align: center;
  padding: 5rem 0;
}

.error-code {
  font-size: 8rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 1rem;
  background: linear-gradient(to right, var(--accent), var(--accent-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.error-page h1 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.error-page p {
  margin-bottom: 2rem;
  color: var(--text-secondary);
}

.btn {
  display: inline-block;
  background-color: var(--accent);
  color: var(--bg-primary);
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 600;
  transition: var(--transition);
}

.btn:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(74, 222, 128, 0.3);
}

/* Search modal */
.search-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 5rem 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  backdrop-filter: blur(5px);
}

.search-modal.active {
  opacity: 1;
  visibility: visible;
}

.search-container {
  width: 100%;
  max-width: 700px;
  background-color: var(--bg-secondary);
  border-radius: 0.75rem;
  padding: 1.5rem;
  position: relative;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}

.search-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.5rem;
  display: flex;
  transition: var(--transition);
}

.search-close:hover {
  color: var(--accent);
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 0.375rem;
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  border: 1px solid var(--border);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.1);
}

.search-results {
  max-height: 60vh;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.search-results p {
  padding: 1rem 0;
  color: var(--text-muted);
  text-align: center;
}

.result-item {
  padding: 1rem;
  margin-bottom: 0.5rem;
  border-radius: 0.375rem;
  transition: var(--transition);
  border: 1px solid transparent;
}

.result-item:hover {
  background-color: var(--bg-tertiary);
  border-color: var(--accent);
}

.result-item h3 {
  margin-bottom: 0.5rem;
  color: var(--accent);
}

.result-meta {
  display: flex;
  gap: 1rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.result-item p {
  color: var(--text-secondary);
  text-align: left;
  padding: 0;
}

/* Utilities */
.visually-hidden {
  position: absolute !important;
  clip: rect(1px, 1px, 1px, 1px);
  padding: 0 !important;
  border: 0 !important;
  height: 1px !important;
  width: 1px !important;
  overflow: hidden;
}

.tooltip {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--accent);
  color: var(--bg-primary);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  box-shadow: var(--shadow);
  z-index: 1000;
  animation: fadeInOut 2s forwards;
  font-weight: 600;
}

@keyframes fadeInOut {
  0% { opacity: 0; transform: translateX(-50%) translateY(10px); }
  20% { opacity: 1; transform: translateX(-50%) translateY(0); }
  80% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(10px); }
}

/* Dark mode toggle animation */
@keyframes darkToLight {
  0% { transform: scale(1); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

/* Tags */
.tag, .tags .tag {
  background-color: var(--tag-bg);
  color: var(--tag-text);
  padding: 0.35rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-block;
  transition: var(--transition);
}

.tag:hover, .tags .tag:hover {
  background-color: var(--accent);
  color: var(--bg-primary);
  transform: translateY(-2px);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.5rem 0;
}

/* Meta information */
.meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.meta > div {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.meta svg {
  color: var(--accent);
}

/* Social sharing */
.social-share {
  margin: 2rem 0;
  padding: 1.5rem;
  background-color: var(--bg-tertiary);
  border-radius: 0.75rem;
  text-align: center;
  border: 1px solid var(--border);
}

.social-share p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

.share-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.share-buttons a {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: var(--accent);
  color: var(--bg-primary);
  border-radius: 0.375rem;
  font-weight: 600;
  transition: var(--transition);
}

.share-buttons a:hover {
  background-color: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(74, 222, 128, 0.3);
}

/* Related posts */
.related-posts {
  margin: 2rem 0;
  padding: 1.5rem;
  background-color: var(--bg-tertiary);
  border-radius: 0.75rem;
  border: 1px solid var(--border);
}

.related-posts h3 {
  margin-bottom: 1rem;
  color: var(--accent);
}

.related-posts ul {
  list-style: none;
  padding: 0;
}

.related-posts li {
  margin-bottom: 0.5rem;
}

.related-posts a {
  color: var(--text-secondary);
}

.related-posts a:hover {
  color: var(--accent);
}

/* Responsive styles */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .post-title {
    font-size: 2rem;
  }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    flex-direction: column;
    padding: 1rem;
    border-top: 1px solid var(--border);
    backdrop-filter: blur(10px);
    background-color: rgba(15, 20, 16, 0.95);
  }

  [data-theme="light"] .nav-links {
    background-color: rgba(230, 247, 237, 0.95);
  }
  
  .nav-links.active {
    display: flex;
  }
  
  .nav-links li {
    margin: 0;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }
  
  .nav-links li:last-child {
    border-bottom: none;
  }
  
  .hamburger {
    display: block;
  }
  
  .footer-content {
    flex-direction: column;
  }
  
  .posts-grid {
    grid-template-columns: 1fr;
  }
  
  .post-content {
    font-size: 1rem;
  }

  .category-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-avatar {
    width: 90px;
    height: 90px;
  }
  
  .author-box {
    flex-direction: column;
    text-align: center;
  }
  
  .author-avatar {
    margin: 0 0 1rem;
  }
  
  .search-modal {
    padding: 1.5rem;
  }
  
  .search-results {
    max-height: 50vh;
  }
}