/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #4338CA;
  --primary-light: #6366F1;
  --accent: #D97706;
  --gradient-1: linear-gradient(135deg, #4338CA, #5B5BD6);
  --gradient-2: linear-gradient(135deg, #4338CA, #5B5BD6);
  --gradient-3: linear-gradient(135deg, #4338CA, #5B5BD6);
  --dark: #1E293B;
  --dark-light: #64748B;
  --light: #E2E8F0;
  --white: #ffffff;
  --bg: #F8FAFC;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.1);
  --border: #E2E8F0;
  --radius: 16px;
  --transition: 0.3s ease;
}

/* ===== DARK THEME ===== */
[data-theme="dark"] {
  --primary: #818CF8;
  --primary-light: #A5B4FC;
  --accent: #F59E0B;
  --dark: #E2E8F0;
  --dark-light: #94A3B8;
  --light: #334155;
  --white: #1E293B;
  --bg: #0F172A;
  --border: #334155;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .navbar.scrolled {
  background: rgba(30, 41, 59, 0.95);
}

[data-theme="dark"] .nav-links a {
  color: #E2E8F0;
}

[data-theme="dark"] .hamburger span {
  background: #E2E8F0;
}

[data-theme="dark"] .footer {
  background: #0F172A;
}

[data-theme="dark"] .footer h4 {
  color: #E2E8F0;
}

[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
  background: #1E293B;
  border-color: #334155;
  color: #E2E8F0;
}

[data-theme="dark"] .blog-filters .filter-btn {
  background: #1E293B;
  border-color: #334155;
  color: #E2E8F0;
}

[data-theme="dark"] .nav-links {
  background: #1E293B;
}

@media (min-width: 769px) {
  [data-theme="dark"] .nav-links {
    background: transparent;
  }
}

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

body {
  font-family: 'Poppins', 'Segoe UI', sans-serif;
  color: var(--dark);
  background: var(--bg);
  line-height: 1.7;
  overflow-x: hidden;
  cursor: auto;
}

@media (max-width: 768px) {
  body {
    cursor: auto;
  }
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
  background: transparent;
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
  padding: 10px 0;
}

.navbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-links a {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--dark);
  position: relative;
  transition: var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}

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

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  width: 28px;
  height: 3px;
  background: var(--dark);
  border-radius: 3px;
  transition: var(--transition);
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero::before,
.hero::after {
  display: none;
}

/* Subtle background glow blobs */
.hero-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(80px);
  opacity: 0.06;
}

.hero-glow-1 {
  width: 500px;
  height: 500px;
  background: var(--primary);
  top: -10%;
  right: -5%;
}

.hero-glow-2 {
  width: 400px;
  height: 400px;
  background: var(--primary-light);
  bottom: -15%;
  left: -8%;
}

[data-theme="dark"] .hero-glow {
  opacity: 0.04;
}

.hero .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
  position: relative;
  z-index: 1;
}

.hero-content {
  flex: 1;
}

.hero-content .greeting {
  font-size: 0.95rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero-content h1 span {
  color: var(--primary);
}

.hero-content p {
  font-size: 1.15rem;
  color: var(--dark-light);
  margin-bottom: 32px;
  max-width: 500px;
}

.hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
}

.hero-image .avatar-wrapper {
  width: 340px;
  height: 340px;
  border-radius: 50%;
  position: relative;
  padding: 4px;
  background: var(--primary);
}

.hero-image .avatar-wrapper::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px dashed rgba(67, 56, 202, 0.25);
}

.hero-image .avatar-wrapper .avatar-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image .avatar-wrapper .avatar-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.hero-image .avatar-wrapper:hover .avatar-inner img {
  transform: scale(1.05);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 16px rgba(67, 56, 202, 0.2);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(67, 56, 202, 0.3);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: var(--white);
  transform: translateY(-3px);
}

.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== SECTION COMMON ===== */
.section {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.section-header h2 span {
  color: var(--primary);
}

.section-header p {
  color: var(--dark-light);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== CARDS ===== */
.card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

/* ===== BLOG CARDS ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 32px;
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.blog-card .card-image {
  height: 200px;
  background: var(--primary);
  position: relative;
  overflow: hidden;
}

.blog-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-card .card-body {
  padding: 24px;
}

.blog-card .card-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 0.85rem;
  color: var(--dark-light);
}

.blog-card .card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.blog-card h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
  transition: var(--transition);
}

.blog-card:hover h3 {
  color: var(--primary);
}

.blog-card p {
  color: var(--dark-light);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.blog-card .read-more {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.blog-card .read-more:hover {
  gap: 8px;
}

.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(67, 56, 202, 0.1);
  color: var(--primary);
  margin-right: 8px;
  margin-bottom: 8px;
}

/* ===== PROJECT CARDS ===== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 32px;
}

.project-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.project-card .card-image {
  height: 200px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

.project-card .card-body {
  padding: 24px;
}

.project-card h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.project-card p {
  color: var(--dark-light);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.project-card .tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.project-card .project-links {
  display: flex;
  gap: 12px;
}

.project-card .project-links a {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

/* ===== CV / TIMELINE ===== */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 3px;
  height: 100%;
  background: var(--light);
  border-radius: 3px;
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding: 0 0 40px;
  width: 50%;
  position: relative;
}

.timeline-item:nth-child(odd) {
  align-self: flex-end;
  justify-content: flex-start;
  margin-left: 50%;
  padding-left: 40px;
}

.timeline-item:nth-child(even) {
  padding-right: 40px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid var(--white);
  box-shadow: 0 0 0 3px var(--primary);
  top: 8px;
}

.timeline-item:nth-child(odd)::before {
  left: -8px;
}

.timeline-item:nth-child(even)::before {
  right: -8px;
}

.timeline-content {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.timeline-content:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.timeline-content .date {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 50px;
  background: var(--primary);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.timeline-content h3 {
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.timeline-content .company {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.timeline-content p {
  color: var(--dark-light);
  font-size: 0.9rem;
}

/* ===== CV SKILLS ===== */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 60px;
}

.skill-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.skill-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.skill-card h4 {
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.skill-bar {
  margin-bottom: 12px;
}

.skill-bar .skill-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 0.9rem;
}

.skill-bar .bar {
  height: 8px;
  background: var(--light);
  border-radius: 8px;
  overflow: hidden;
}

.skill-bar .bar .fill {
  height: 100%;
  border-radius: 8px;
  background: var(--primary);
  width: 0;
  transition: width 1.5s ease;
}

/* ===== CONTACT ===== */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 48px;
  align-items: start;
}

.contact-info .info-item {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}

.contact-info .info-item .icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-info .info-item h4 {
  font-size: 1rem;
  margin-bottom: 2px;
}

.contact-info .info-item p {
  color: var(--dark-light);
  font-size: 0.9rem;
}

.contact-info .social-links {
  display: flex;
  gap: 12px;
  margin-top: 32px;
}

.contact-info .social-links a {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--white);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  transition: var(--transition);
}

.contact-info .social-links a:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-3px);
}

.contact-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--light);
  border-radius: 12px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--bg);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(67, 56, 202, 0.1);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

.form-group .error-msg {
  color: var(--accent);
  font-size: 0.8rem;
  margin-top: 4px;
  display: none;
}

.form-group.error input,
.form-group.error textarea {
  border-color: var(--accent);
}

.form-group.error .error-msg {
  display: block;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  color: var(--light);
  padding: 60px 0 24px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-about .footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary-light);
  margin-bottom: 12px;
}

.footer-about p {
  font-size: 0.9rem;
  color: var(--dark-light);
  line-height: 1.8;
}

.footer h4 {
  margin-bottom: 16px;
  font-size: 1.1rem;
  color: var(--white);
}

.footer-links a {
  display: block;
  color: var(--dark-light);
  font-size: 0.9rem;
  margin-bottom: 10px;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
  color: var(--dark-light);
}

/* ===== PAGE HEADER (inner pages) ===== */
.page-header {
  padding: 140px 0 60px;
  background: var(--primary);
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent 70%);
  border-radius: 50%;
}

.page-header h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
}

.page-header p {
  font-size: 1.1rem;
  opacity: 0.9;
  position: relative;
}

/* ===== BLOG FILTERS ===== */
.blog-filters {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.blog-filters .filter-btn {
  padding: 8px 20px;
  border-radius: 50px;
  border: 2px solid var(--light);
  background: var(--white);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

.blog-filters .filter-btn:hover,
.blog-filters .filter-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: transparent;
}

/* ===== PRELOADER ===== */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.preloader-spinner {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 4px solid var(--light);
  border-top-color: var(--primary);
  border-right-color: var(--primary-light);
  animation: spin 0.8s linear infinite;
}

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

.preloader-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ===== THEME TOGGLE ===== */
.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 2px solid var(--light);
  background: var(--white);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  transition: var(--transition);
  color: var(--dark);
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--primary);
  color: #fff;
  border-color: transparent;
  transform: rotate(30deg) scale(1.1);
}

.theme-toggle .fa-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .fa-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .fa-sun {
  display: inline;
}

/* ===== PARALLAX ===== */
.parallax-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  overflow: hidden;
}

.parallax-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.12;
}

.parallax-shape:nth-child(1) {
  width: 300px;
  height: 300px;
  background: var(--primary);
  top: 10%;
  left: -5%;
}

.parallax-shape:nth-child(2) {
  width: 200px;
  height: 200px;
  background: var(--primary-light);
  top: 60%;
  right: -3%;
}

.parallax-shape:nth-child(3) {
  width: 150px;
  height: 150px;
  background: var(--primary);
  bottom: 10%;
  left: 30%;
}

.parallax-shape:nth-child(4) {
  width: 100px;
  height: 100px;
  background: var(--primary-light);
  top: 30%;
  right: 20%;
}

/* ===== LANG TOGGLE ===== */
.lang-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--light);
  background: var(--white);
  cursor: pointer;
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--primary);
  transition: var(--transition);
  flex-shrink: 0;
  font-family: inherit;
}

.lang-toggle:hover {
  background: var(--primary);
  color: #fff;
  border-color: transparent;
}

/* ===== BLOG SEARCH ===== */
.blog-search {
  max-width: 500px;
  margin: 0 auto 32px;
  position: relative;
}

.blog-search input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  border: 2px solid var(--light);
  border-radius: 50px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--white);
  transition: var(--transition);
  color: var(--dark);
}

.blog-search input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(67, 56, 202, 0.1);
}

.blog-search .search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--dark-light);
  font-size: 1rem;
}

[data-theme="dark"] .blog-search input {
  background: #1E293B;
  border-color: #334155;
  color: #E2E8F0;
}

.no-results {
  text-align: center;
  padding: 60px 20px;
  color: var(--dark-light);
  font-size: 1.1rem;
  display: none;
}

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 48px;
}

.pagination button {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 2px solid var(--light);
  background: var(--white);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--dark);
  transition: var(--transition);
  font-family: inherit;
}

.pagination button:hover,
.pagination button.active {
  background: var(--primary);
  color: #fff;
  border-color: transparent;
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pagination .page-info {
  padding: 0 12px;
  font-size: 0.9rem;
  color: var(--dark-light);
}

/* ===== BLOG POST DETAIL ===== */
.post-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 40px;
  align-items: start;
}

.post-content {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
  line-height: 1.9;
}

.post-content h2 {
  font-size: 1.5rem;
  margin: 32px 0 12px;
  color: var(--primary);
}

.post-content p {
  margin-bottom: 16px;
  color: var(--dark-light);
}

.post-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 100px;
}

.sidebar-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.sidebar-card h4 {
  margin-bottom: 12px;
  font-size: 1rem;
}

.share-buttons {
  display: flex;
  gap: 10px;
}

.share-btn {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--white);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.share-btn:hover {
  transform: translateY(-2px);
}

.share-btn.twitter { background: #1da1f2; color: #fff; }
.share-btn.linkedin { background: #0077b5; color: #fff; }
.share-btn.copy { background: var(--primary); color: #fff; }

/* ===== COMMENTS ===== */
.comments-section {
  margin-top: 60px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
}

.comments-section h3 {
  font-size: 1.4rem;
  margin-bottom: 24px;
}

.comment-form {
  margin-bottom: 32px;
}

.comment-form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.comment-form .form-group {
  margin-bottom: 16px;
}

.comment-form input,
.comment-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--light);
  border-radius: 12px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
  background: var(--bg);
  color: var(--dark);
}

.comment-form input:focus,
.comment-form textarea:focus {
  outline: none;
  border-color: var(--primary);
}

[data-theme="dark"] .comment-form input,
[data-theme="dark"] .comment-form textarea {
  background: #1E293B;
  border-color: #334155;
  color: #E2E8F0;
}

.comment-item {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--light);
}

.comment-item:last-child {
  border-bottom: none;
}

.comment-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.comment-body {
  flex: 1;
}

.comment-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.comment-header strong {
  font-size: 0.95rem;
}

.comment-header span {
  font-size: 0.8rem;
  color: var(--dark-light);
}

.comment-body p {
  color: var(--dark-light);
  font-size: 0.9rem;
}

.no-comments {
  text-align: center;
  color: var(--dark-light);
  padding: 20px;
}

/* ===== NEWSLETTER ===== */
.newsletter-section {
  padding: 60px 0;
}

.newsletter-box {
  background: var(--gradient-1);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  color: #fff;
}

.newsletter-box h3 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.newsletter-box p {
  opacity: 0.9;
  margin-bottom: 24px;
}

.newsletter-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.newsletter-form input {
  flex: 1;
  padding: 14px 20px;
  border-radius: 50px;
  border: 2px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: 0.95rem;
  font-family: inherit;
  backdrop-filter: blur(10px);
}

.newsletter-form input::placeholder {
  color: rgba(255,255,255,0.7);
}

.newsletter-form input:focus {
  outline: none;
  border-color: #fff;
  background: rgba(255,255,255,0.25);
}

.newsletter-form .btn {
  background: #fff;
  color: var(--primary);
  box-shadow: none;
  white-space: nowrap;
}

.newsletter-form .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

/* ===== ADMIN PANEL ===== */
.admin-form {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow);
  max-width: 800px;
  margin: 0 auto;
}

.admin-form .form-group select {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--light);
  border-radius: 12px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--bg);
  transition: var(--transition);
  color: var(--dark);
}

.admin-posts-list {
  margin-top: 40px;
}

.admin-post-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--white);
  border-radius: 12px;
  box-shadow: var(--shadow);
  margin-bottom: 12px;
  transition: var(--transition);
}

.admin-post-item:hover {
  transform: translateX(4px);
}

.admin-post-item .post-info h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.admin-post-item .post-info span {
  font-size: 0.8rem;
  color: var(--dark-light);
}

.admin-post-item .post-actions {
  display: flex;
  gap: 8px;
}

.admin-post-item .post-actions button {
  padding: 6px 14px;
  border-radius: 8px;
  border: none;
  font-size: 0.8rem;
  cursor: pointer;
  font-family: inherit;
  font-weight: 600;
  transition: var(--transition);
}

.btn-edit {
  background: rgba(67, 56, 202, 0.1);
  color: var(--primary);
}

.btn-delete {
  background: rgba(220, 38, 38, 0.1);
  color: #DC2626;
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(67, 56, 202, 0.2);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(67, 56, 202, 0.3);
}

/* ===== PAGE TRANSITION ===== */
.page-transition {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--primary);
  z-index: 9998;
  transform: scaleX(0);
  transform-origin: left;
  pointer-events: none;
}

.page-transition.active {
  animation: pageSlide 0.6s ease forwards;
}

@keyframes pageSlide {
  0% { transform: scaleX(0); transform-origin: left; }
  50% { transform: scaleX(1); transform-origin: left; }
  50.1% { transform-origin: right; }
  100% { transform: scaleX(0); transform-origin: right; }
}

/* ===== TILT CARD ===== */
.tilt-card {
  transform-style: preserve-3d;
  perspective: 1000px;
}

/* ===== PARTICLE CANVAS ===== */
#particleCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* ===== STAT COUNTER ===== */
.stats-section {
  padding: 80px 0;
  background: var(--gradient-1);
  color: #fff;
  position: relative;
  overflow: hidden;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  text-align: center;
}

.stat-item {
  padding: 20px;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 1rem;
  opacity: 0.9;
}

/* ===== READING PROGRESS ===== */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 4px;
  background: var(--primary);
  z-index: 1001;
  transition: width 0.1s linear;
}

/* ===== RELATED POSTS ===== */
.related-posts {
  margin-top: 60px;
}

.related-posts h3 {
  font-size: 1.4rem;
  margin-bottom: 24px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.related-card {
  display: flex;
  gap: 16px;
  padding: 16px;
  border-radius: 12px;
  background: var(--white);
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--dark);
  transition: var(--transition);
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  border-color: var(--primary);
}

.related-icon {
  min-width: 60px;
  height: 60px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
}

.related-info h4 {
  font-size: 0.95rem;
  margin-bottom: 4px;
  line-height: 1.3;
}

.related-info p {
  font-size: 0.8rem;
  color: var(--dark-light);
  margin-bottom: 4px;
  line-height: 1.4;
}

.related-info span {
  font-size: 0.75rem;
  color: var(--dark-light);
}

/* ===== LIKE SECTION ===== */
.like-section {
  margin: 24px 0;
}

/* ===== LIKE BUTTON ===== */
.like-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 50px;
  border: 2px solid var(--accent);
  background: transparent;
  color: var(--accent);
  cursor: pointer;
  font-size: 1rem;
  font-family: inherit;
  font-weight: 600;
  transition: var(--transition);
}

.like-btn:hover,
.like-btn.liked {
  background: var(--accent);
  color: #fff;
}

.like-btn .like-count {
  font-size: 0.9rem;
}

/* ===== TAG CLOUD ===== */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  padding: 20px 0;
}

.tag-cloud .cloud-tag,
.tag-cloud .tag-item {
  padding: 6px 16px;
  border-radius: 50px;
  background: rgba(67, 56, 202, 0.1);
  color: var(--primary);
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: inherit;
  text-decoration: none;
  font-size: 0.85rem;
  display: inline-block;
}

.tag-cloud .cloud-tag:hover,
.tag-cloud .tag-item:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

/* ===== TOAST NOTIFICATION ===== */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 10001;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 16px 24px;
  border-radius: 12px;
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.2);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toastIn 0.4s ease, toastOut 0.4s ease 3s forwards;
  min-width: 280px;
}

.toast.success { background: #059669; }
.toast.error { background: #DC2626; }
.toast.info { background: var(--primary); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(100px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(100px); }
}

/* ===== COOKIE BANNER ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--dark);
  color: var(--light);
  padding: 20px 0;
  z-index: 9997;
  transform: translateY(100%);
  transition: transform 0.5s ease;
}

.cookie-banner.visible {
  transform: translateY(0);
}

.cookie-banner .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.cookie-banner p {
  font-size: 0.9rem;
  flex: 1;
  min-width: 200px;
}

.cookie-banner .cookie-buttons {
  display: flex;
  gap: 10px;
}

.cookie-banner .btn-accept {
  padding: 10px 24px;
  border-radius: 50px;
  border: none;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition);
}

.cookie-banner .btn-reject {
  padding: 10px 24px;
  border-radius: 50px;
  border: 2px solid var(--dark-light);
  background: transparent;
  color: var(--light);
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: var(--transition);
}

[data-theme="dark"] .cookie-banner {
  background: #0F172A;
}

/* ===== KEYBOARD SHORTCUTS MODAL ===== */
.shortcuts-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  z-index: 10002;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.shortcuts-modal.open {
  display: flex;
}

.shortcuts-content {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 480px;
  width: 90%;
  box-shadow: var(--shadow-hover);
}

.shortcuts-content h3 {
  margin-bottom: 20px;
  font-size: 1.3rem;
}

.shortcut-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--light);
}

.shortcut-item:last-child {
  border-bottom: none;
}

.shortcut-key {
  display: inline-flex;
  gap: 4px;
}

.shortcut-key kbd {
  padding: 4px 10px;
  border-radius: 6px;
  background: var(--bg);
  border: 1px solid var(--light);
  font-size: 0.8rem;
  font-weight: 700;
  font-family: inherit;
}

/* ===== THEME SWITCH ANIMATION ===== */
.theme-transition-overlay {
  position: fixed;
  width: 200vmax;
  height: 200vmax;
  border-radius: 50%;
  z-index: 99998;
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0);
  opacity: 1;
}

.theme-transition-overlay.expanding {
  animation: themeExpand 0.6s ease forwards;
}

@keyframes themeExpand {
  0% { transform: translate(-50%, -50%) scale(0); opacity: 1; }
  70% { opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(1); opacity: 0; }
}

/* ===== SKELETON LOADING ===== */
.skeleton {
  position: relative;
  overflow: hidden;
  background: var(--light);
  border-radius: var(--radius);
}

.skeleton::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

[data-theme="dark"] .skeleton::after {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
}

.skeleton-card {
  height: 320px;
  border-radius: var(--radius);
  background: var(--light);
  border: 1px solid var(--border);
}

[data-theme="dark"] .skeleton-card {
  background: #1E293B;
}

.skeleton-line {
  height: 16px;
  margin-bottom: 12px;
  border-radius: 8px;
}

.skeleton-line.short {
  width: 60%;
}

/* ===== SCROLL-DRIVEN PARALLAX ===== */
.scroll-parallax {
  transition: transform 0.1s linear;
  will-change: transform;
}

/* ===== CONFETTI ===== */
.confetti-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 99999;
}

/* ===== SYNTAX HIGHLIGHTING ===== */
.post-content pre {
  background: #1e1e2e;
  color: #cdd6f4;
  padding: 20px;
  border-radius: 12px;
  overflow-x: auto;
  font-family: 'Courier New', Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 20px 0;
  border: 1px solid var(--border);
}

.post-content code {
  font-family: 'Courier New', Consolas, monospace;
  font-size: 0.88rem;
}

.post-content :not(pre) > code {
  background: rgba(67, 56, 202, 0.1);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 6px;
}

.post-content pre code {
  background: none;
  color: inherit;
  padding: 0;
}

.syn-keyword { color: #cba6f7; font-weight: 600; }
.syn-string { color: #a6e3a1; }
.syn-comment { color: #6c7086; font-style: italic; }
.syn-number { color: #fab387; }
.syn-function { color: #89b4fa; }
.syn-tag { color: #f38ba8; }
.syn-attr { color: #f9e2af; }
.syn-operator { color: #89dceb; }

/* ===== READING MODE ===== */
body.reading-mode .navbar,
body.reading-mode .footer,
body.reading-mode .post-sidebar,
body.reading-mode .like-section,
body.reading-mode .comments-section,
body.reading-mode .related-posts,
body.reading-mode .newsletter-section,
body.reading-mode .scroll-top,
body.reading-mode .feedback-widget,
body.reading-mode .cookie-banner {
  display: none !important;
}

body.reading-mode .page-header {
  padding: 100px 0 40px;
  min-height: auto;
}

body.reading-mode .post-layout {
  grid-template-columns: 1fr;
  max-width: 720px;
  margin: 0 auto;
}

body.reading-mode .post-content {
  font-size: 1.15rem;
  line-height: 1.9;
}

.reading-mode-toggle {
  position: fixed;
  top: 80px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--white);
  border: 1px solid var(--border);
  color: var(--dark);
  cursor: pointer;
  font-size: 1rem;
  z-index: 997;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.reading-mode-toggle.visible {
  display: flex;
}

.reading-mode-toggle:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

body.reading-mode .reading-mode-toggle {
  top: 20px;
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  display: flex;
}

/* ===== ACTIVITY FEED ===== */
.activity-feed {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.activity-feed h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.activity-feed h4 .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00b894;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--light);
  font-size: 0.82rem;
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-icon {
  min-width: 30px;
  height: 30px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: white;
}

.activity-icon.view { background: #4338CA; }
.activity-icon.like { background: #DC2626; }
.activity-icon.comment { background: #059669; }
.activity-icon.bookmark { background: #D97706; color: #fff; }

.activity-text {
  flex: 1;
  color: var(--dark-light);
  line-height: 1.3;
}

.activity-text strong {
  color: var(--dark);
}

.activity-time {
  font-size: 0.72rem;
  color: var(--dark-light);
  white-space: nowrap;
}

/* ===== SNAKE GAME ===== */
.snake-game-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(15, 15, 30, 0.97);
  z-index: 100000;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
}

.snake-game-overlay.open {
  display: flex;
}

.snake-game-header {
  color: white;
  text-align: center;
  margin-bottom: 20px;
}

.snake-game-header h2 {
  font-size: 1.8rem;
  color: var(--primary-light);
  margin-bottom: 4px;
}

.snake-game-score {
  font-size: 1.2rem;
  color: #6366F1;
  font-weight: 600;
}

.snake-game-overlay canvas {
  border: 2px solid #4338CA;
  border-radius: 8px;
  box-shadow: 0 0 30px rgba(67, 56, 202, 0.3);
}

.snake-game-close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.3s;
}

.snake-game-close:hover {
  background: #e74c3c;
  border-color: #e74c3c;
}

.snake-game-instructions {
  color: rgba(255,255,255,0.5);
  font-size: 0.82rem;
  margin-top: 16px;
  text-align: center;
}

.snake-game-instructions kbd {
  background: rgba(255,255,255,0.1);
  padding: 2px 8px;
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.2);
  font-size: 0.75rem;
}

/* ===== BLOG SORT & RANDOM POST ===== */
.blog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.blog-sort select {
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--dark);
  font-family: 'Poppins', sans-serif;
  font-size: 0.88rem;
  cursor: pointer;
  outline: none;
  transition: var(--transition);
  min-width: 180px;
}

.blog-sort select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(67, 56, 202, 0.15);
}

[data-theme="dark"] .blog-sort select {
  background: var(--dark);
  color: var(--light);
}

.random-post-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-family: 'Poppins', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
  white-space: nowrap;
}

.random-post-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.random-post-btn i {
  transition: transform 0.3s;
}

.random-post-btn:hover i {
  transform: rotate(180deg);
}

/* ===== GUESTBOOK ===== */
.guestbook-form {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  margin-bottom: 40px;
}

.guestbook-form h3 {
  font-size: 1.2rem;
  margin-bottom: 20px;
}

.guestbook-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.guestbook-form .form-group {
  margin-bottom: 16px;
}

.guestbook-form input,
.guestbook-form textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--dark);
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
}

.guestbook-form input:focus,
.guestbook-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(67, 56, 202, 0.1);
}

.emoji-picker {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.emoji-picker button {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--bg);
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
}

.emoji-picker button:hover,
.emoji-picker button.selected {
  border-color: var(--primary);
  background: rgba(67, 56, 202, 0.1);
  transform: scale(1.15);
}

.guestbook-messages {
  display: grid;
  gap: 20px;
}

.guestbook-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
}

.guestbook-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.guestbook-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.guestbook-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.guestbook-card-header .name {
  font-weight: 600;
  font-size: 0.95rem;
}

.guestbook-card-header .date {
  font-size: 0.78rem;
  color: var(--dark-light);
}

.guestbook-card-header .emoji {
  margin-left: auto;
  font-size: 1.4rem;
}

.guestbook-card p {
  color: var(--dark-light);
  font-size: 0.9rem;
  line-height: 1.6;
}

.guestbook-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--dark-light);
}

.guestbook-empty i {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.3;
}

@media (max-width: 768px) {
  .guestbook-form .form-row {
    grid-template-columns: 1fr;
  }
}

/* ===== SITEMAP PAGE ===== */
.sitemap-container {
  max-width: 900px;
  margin: 0 auto;
}

.sitemap-tree {
  position: relative;
  padding-left: 0;
}

.sitemap-root {
  text-align: center;
  margin-bottom: 40px;
}

.sitemap-root-node {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--primary);
  color: white;
  padding: 16px 32px;
  border-radius: var(--radius);
  font-size: 1.2rem;
  font-weight: 700;
  box-shadow: var(--shadow-hover);
}

.sitemap-root-node i {
  font-size: 1.5rem;
}

.sitemap-branches {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.sitemap-branch {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.sitemap-branch:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.sitemap-branch-header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1rem;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
}

.sitemap-branch-header:hover {
  background: rgba(67, 56, 202, 0.05);
}

.sitemap-branch-header i {
  color: var(--primary);
  font-size: 1.1rem;
  width: 24px;
  text-align: center;
}

.sitemap-branch-header .badge {
  margin-left: auto;
  background: var(--primary);
  color: white;
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 20px;
  font-weight: 600;
}

.sitemap-children {
  padding: 8px 0;
}

.sitemap-child {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px 8px 44px;
  font-size: 0.85rem;
  color: var(--dark-light);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
}

.sitemap-child::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border);
  transform: translateY(-50%);
  transition: var(--transition);
}

.sitemap-child:hover {
  color: var(--primary);
  background: rgba(67, 56, 202, 0.03);
}

.sitemap-child:hover::before {
  background: var(--primary);
}

.sitemap-child i {
  font-size: 0.75rem;
  width: 16px;
  text-align: center;
}

.sitemap-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.sitemap-stat {
  text-align: center;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.sitemap-stat .number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}

.sitemap-stat .label {
  font-size: 0.82rem;
  color: var(--dark-light);
  margin-top: 4px;
}

/* ===== SMOOTH SCROLL ===== */
html {
  scroll-behavior: smooth;
}

/* ===== GRADIENT ANIMATION (Hero) ===== */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ===== TEXT GLOW EFFECT ===== */
.glow-text {
  transition: text-shadow 0.3s ease;
}

.glow-text:hover {
  text-shadow: 0 0 8px rgba(67, 56, 202, 0.2);
}

[data-theme="dark"] .glow-text:hover {
  text-shadow: 0 0 8px rgba(129, 140, 248, 0.3);
}

/* ===== BOOKMARK BUTTON ===== */
.bookmark-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--dark-light);
  font-size: 1rem;
  transition: var(--transition);
  padding: 4px 8px;
  border-radius: 6px;
}

.bookmark-btn:hover {
  color: var(--primary);
}

.bookmark-btn.bookmarked {
  color: var(--primary);
}

.bookmarks-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding: 12px 20px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.bookmarks-bar .bookmark-count {
  font-weight: 600;
  color: var(--primary);
}

/* ===== BLOG STATS ===== */
.blog-stats-bar {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 30px;
  padding: 16px 24px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.blog-stat-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--dark-light);
}

.blog-stat-item i {
  color: var(--primary);
  font-size: 1rem;
}

.blog-stat-item strong {
  color: var(--dark);
  font-weight: 700;
}

/* ===== TABLE OF CONTENTS ===== */
.toc {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 30px;
}

.toc h4 {
  font-size: 1rem;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.toc h4 i.toggle-icon {
  margin-left: auto;
  transition: transform 0.3s;
}

.toc.collapsed h4 i.toggle-icon {
  transform: rotate(-90deg);
}

.toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc.collapsed .toc-list {
  display: none;
}

.toc-list li {
  padding: 6px 0;
  border-bottom: 1px solid var(--light);
}

.toc-list li:last-child {
  border-bottom: none;
}

.toc-list li a {
  color: var(--dark-light);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-list li a::before {
  content: '\203A';
  color: var(--primary);
  font-weight: bold;
}

.toc-list li a:hover {
  color: var(--primary);
  padding-left: 8px;
}

.toc-list li a.active {
  color: var(--primary);
  font-weight: 600;
}

.toc-list li.toc-h3 {
  padding-left: 16px;
}

/* ===== READING TIME REMAINING ===== */
.reading-remaining {
  position: fixed;
  bottom: 90px;
  right: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 8px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--dark-light);
  box-shadow: var(--shadow);
  z-index: 999;
  opacity: 0;
  transform: translateY(10px);
  transition: var(--transition);
  pointer-events: none;
}

.reading-remaining.visible {
  opacity: 1;
  transform: translateY(0);
}

.reading-remaining i {
  color: var(--primary);
  margin-right: 4px;
}

/* ===== PROJECT DETAIL MODAL ===== */
.project-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 10002;
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
}

.project-modal.open {
  display: flex;
}

.project-modal-content {
  background: var(--white);
  border-radius: var(--radius);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-hover);
}

.project-modal-header {
  padding: 40px 32px 20px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.project-modal-header .modal-icon {
  min-width: 70px;
  height: 70px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
}

.project-modal-header h3 {
  font-size: 1.4rem;
}

.project-modal-body {
  padding: 0 32px 32px;
}

.project-modal-body p {
  color: var(--dark-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.project-modal-body .tech-stack {
  margin-bottom: 20px;
}

.project-modal-body .project-links {
  display: flex;
  gap: 12px;
}

.project-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--dark-light);
  transition: var(--transition);
}

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

/* ===== VISITOR COUNTER ===== */
.visitor-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 50px;
  background: rgba(67, 56, 202, 0.1);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
}

.visitor-badge i {
  font-size: 0.75rem;
}

/* ===== FEEDBACK WIDGET ===== */
.feedback-widget {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 998;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
}

.feedback-widget.visible {
  opacity: 1;
  transform: translateY(0);
}

.feedback-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  box-shadow: var(--shadow);
  text-align: center;
  max-width: 220px;
}

.feedback-card p {
  font-size: 0.85rem;
  margin-bottom: 10px;
  color: var(--dark);
  font-weight: 500;
}

.feedback-buttons {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.feedback-btn {
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  cursor: pointer;
  font-size: 1.1rem;
  transition: var(--transition);
}

.feedback-btn:hover {
  transform: scale(1.15);
}

.feedback-btn.up:hover {
  background: rgba(0, 184, 148, 0.2);
  border-color: #00b894;
}

.feedback-btn.down:hover {
  background: rgba(220, 38, 38, 0.15);
  border-color: #DC2626;
}

.feedback-thanks {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
}

.feedback-dismiss {
  position: absolute;
  top: 4px;
  right: 8px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--dark-light);
  font-size: 0.8rem;
}

/* ===== GLOBAL SEARCH MODAL ===== */
.global-search {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 10003;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
  backdrop-filter: blur(4px);
}

.global-search.open {
  display: flex;
}

.global-search-box {
  background: var(--white);
  border-radius: var(--radius);
  max-width: 560px;
  width: 90%;
  box-shadow: var(--shadow-hover);
  overflow: hidden;
}

.global-search-input {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.global-search-input i {
  color: var(--primary);
  font-size: 1.1rem;
}

.global-search-input input {
  flex: 1;
  border: none;
  background: none;
  font-size: 1rem;
  font-family: inherit;
  color: var(--dark);
  outline: none;
}

.global-search-input kbd {
  padding: 4px 8px;
  border-radius: 6px;
  background: var(--bg);
  border: 1px solid var(--light);
  font-size: 0.7rem;
  font-weight: 700;
  font-family: inherit;
  color: var(--dark-light);
}

.global-search-results {
  max-height: 340px;
  overflow-y: auto;
  padding: 8px;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--dark);
  transition: var(--transition);
}

.search-result-item:hover {
  background: var(--bg);
}

.search-result-item .result-icon {
  min-width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 0.9rem;
}

.search-result-item .result-info h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.search-result-item .result-info p {
  font-size: 0.8rem;
  color: var(--dark-light);
}

.search-no-results {
  padding: 24px;
  text-align: center;
  color: var(--dark-light);
  font-size: 0.9rem;
}

.search-hint {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--dark-light);
  display: flex;
  align-items: center;
  gap: 8px;
}


/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Directional Reveal Animations */
.fade-left {
  opacity: 0;
  transform: translateX(-60px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-right {
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-down {
  opacity: 0;
  transform: translateY(-40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-left.visible,
.fade-right.visible,
.fade-up.visible,
.fade-down.visible {
  opacity: 1;
  transform: translate(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .post-layout {
    grid-template-columns: 1fr;
  }

  .post-sidebar {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .hero .container {
    flex-direction: column-reverse;
    text-align: center;
  }

  .hero-content p {
    margin: 0 auto 32px;
  }

  .btn-group {
    justify-content: center;
  }

  .hero-image .avatar-wrapper {
    width: 260px;
    height: 260px;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .timeline::before {
    left: 0;
  }

  .timeline-item,
  .timeline-item:nth-child(odd) {
    width: 100%;
    margin-left: 0;
    padding-left: 40px;
    padding-right: 0;
    justify-content: flex-start;
  }

  .timeline-item::before,
  .timeline-item:nth-child(odd)::before,
  .timeline-item:nth-child(even)::before {
    left: -8px;
    right: auto;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    padding: 100px 40px;
    gap: 24px;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
  }

  .nav-links.active {
    right: 0;
  }

  .hamburger {
    display: flex;
  }

  .hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
  }

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

  .hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .page-header h1 {
    font-size: 2rem;
  }

  .blog-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .feedback-widget { left: 12px; bottom: 12px; }
  .reading-remaining { right: 12px; bottom: 70px; }
  .global-search { padding-top: 5vh; }
}

/* ===== SKIP TO CONTENT ===== */
.skip-to-content {
  position: fixed;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10001;
  background: var(--primary);
  color: #fff;
  padding: 12px 24px;
  border-radius: 0 0 12px 12px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: top 0.3s ease;
  text-decoration: none;
}

.skip-to-content:focus {
  top: 0;
}

/* ===== FOCUS VISIBLE STYLES ===== */
:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

button:focus-visible,
.btn:focus-visible,
.filter-btn:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
  box-shadow: 0 0 0 6px rgba(67, 56, 202, 0.2);
}

a:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 0;
}

/* ===== PREFERS REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .preloader {
    display: none !important;
  }

  .hero::before,
  .hero::after {
    animation: none !important;
  }

  .hero-glow {
    display: none !important;
  }

  .parallax-shape {
    transform: none !important;
  }

  .theme-transition-overlay {
    display: none !important;
  }

  .card:hover,
  .blog-card:hover,
  .project-card:hover {
    transform: none !important;
  }

  .tilt-card {
    transform: none !important;
  }

  .confetti-canvas {
    display: none !important;
  }
}

/* ===== ADMIN MARKDOWN EDITOR ===== */
.md-toolbar {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.md-btn {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 13px;
  color: var(--dark);
  transition: all 0.2s;
}

.md-btn:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.md-preview-btn {
  background: var(--primary-light);
  color: white;
  border-color: var(--primary-light);
}

.md-preview {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  min-height: 150px;
  line-height: 1.8;
  color: var(--dark);
}

.md-preview h1,
.md-preview h2,
.md-preview h3 {
  margin: 16px 0 8px;
  color: var(--dark);
}

.md-preview code {
  background: rgba(67, 56, 202, 0.1);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: monospace;
}

.md-preview pre {
  background: var(--bg);
  padding: 16px;
  border-radius: 8px;
  overflow-x: auto;
}

.md-preview pre code {
  background: none;
  padding: 0;
}

.md-preview blockquote {
  border-left: 3px solid var(--primary);
  padding-left: 16px;
  color: var(--dark-light);
  margin: 12px 0;
}

.md-preview ul {
  padding-left: 20px;
}

.md-preview a {
  color: var(--primary);
}