/* ==========================================================================
   DESIGN SYSTEM - GO-CMS
   Extracted from blog-portofolio (OKLCH color space, vanilla CSS)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 0.75rem;
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --background: oklch(0.99 0 0);
  --foreground: oklch(0.15 0 0);
  --card: oklch(1 0 0);
  --card-foreground: oklch(0.15 0 0);
  --primary: oklch(0.55 0.15 240);
  --primary-foreground: oklch(0.99 0 0);
  --secondary: oklch(0.96 0.005 240);
  --secondary-foreground: oklch(0.15 0 0);
  --muted: oklch(0.97 0.005 240);
  --muted-foreground: oklch(0.5 0.01 240);
  --accent: oklch(0.94 0.02 240);
  --accent-foreground: oklch(0.15 0 0);
  --destructive: oklch(0.577 0.245 27.325);
  --border: oklch(0.9 0.005 240);
  --input: oklch(0.9 0.005 240);
  --ring: oklch(0.55 0.15 240);
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.05);
}

.dark {
  --background: oklch(0.12 0 0);
  --foreground: oklch(0.97 0 0);
  --card: oklch(0.15 0 0);
  --card-foreground: oklch(0.97 0 0);
  --primary: oklch(0.65 0.15 240);
  --primary-foreground: oklch(0.12 0 0);
  --secondary: oklch(0.2 0.01 240);
  --secondary-foreground: oklch(0.97 0 0);
  --muted: oklch(0.18 0.01 240);
  --muted-foreground: oklch(0.6 0.01 240);
  --accent: oklch(0.22 0.02 240);
  --accent-foreground: oklch(0.97 0 0);
  --destructive: oklch(0.704 0.191 22.216);
  --border: oklch(0.25 0.01 240);
  --input: oklch(0.25 0.01 240);
  --ring: oklch(0.65 0.15 240);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.min-h-screen { min-height: 100vh; }
.flex-center { display: flex; align-items: center; justify-content: center; }

.grid-3 { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
@media (min-width: 768px)  { .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

/* Navbar */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; height: 4.5rem;
  background-color: color-mix(in oklch, var(--background) 85%, transparent);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border); z-index: 100;
  display: flex; align-items: center; transition: background-color 0.3s ease;
}
.navbar-container { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.nav-logo { font-size: 1.25rem; font-weight: 800; color: var(--foreground); text-decoration: none; letter-spacing: -0.025em; }
.nav-right { display: flex; align-items: center; gap: 1rem; }
.nav-links { display: flex; align-items: center; gap: 1.5rem; list-style: none; }
.nav-link { color: var(--muted-foreground); text-decoration: none; font-size: 0.95rem; font-weight: 500; transition: color 0.2s ease; }
.nav-link:hover, .nav-link.active { color: var(--primary); }
.nav-burger { display: none; background: none; border: none; cursor: pointer; padding: 0.5rem; }
.nav-burger span { display: block; width: 24px; height: 2px; background-color: var(--foreground); margin: 5px 0; transition: transform 0.2s, opacity 0.2s; }

.theme-toggle-btn { background: none; border: 1px solid var(--border); padding: 0.45rem; border-radius: var(--radius-md); cursor: pointer; color: var(--foreground); display: flex; align-items: center; transition: background-color 0.2s; }
.theme-toggle-btn:hover { background-color: var(--muted); }
.theme-toggle-btn svg { width: 1.1rem; height: 1.1rem; }
.theme-toggle-btn .sun-icon { display: none; }
.theme-toggle-btn .moon-icon { display: block; }
.dark .theme-toggle-btn .sun-icon { display: block; }
.dark .theme-toggle-btn .moon-icon { display: none; }

@media (max-width: 768px) {
  .nav-burger { display: block; }
  .nav-links {
    position: fixed; top: 4.5rem; left: 0; right: 0;
    background-color: var(--background); border-bottom: 1px solid var(--border);
    flex-direction: column; padding: 2rem 0; gap: 1.5rem; text-align: center;
    transform: translateY(-150%); transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .nav-links.open { transform: translateY(0); }
}

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-sans); font-size: 0.9rem; font-weight: 600; padding: 0.625rem 1.25rem; border-radius: var(--radius-md); border: 1px solid transparent; cursor: pointer; text-decoration: none; transition: all 0.2s ease; gap: 0.5rem; box-shadow: var(--shadow-sm); }
.btn-primary { background-color: var(--primary); color: var(--primary-foreground); }
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-outline { background-color: transparent; border-color: var(--border); color: var(--foreground); }
.btn-outline:hover { background-color: var(--muted); transform: translateY(-1px); }
.btn-ghost { background-color: transparent; border: none; color: var(--muted-foreground); box-shadow: none; }
.btn-ghost:hover { background-color: var(--muted); color: var(--foreground); }
.btn-sm { padding: 0.4rem 0.8rem; font-size: 0.8rem; border-radius: var(--radius-sm); }

/* Cards */
.card { background-color: var(--card); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; height: 100%; transition: transform 0.2s ease, box-shadow 0.2s ease; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card-media { position: relative; aspect-ratio: 16/9; overflow: hidden; background-color: var(--muted); display: flex; align-items: center; justify-content: center; }
.card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease; }
.card:hover .card-media img { transform: scale(1.04); }
.card-header { padding: 1.25rem 1.25rem 0.5rem; }
.card-title { font-size: 1.1rem; font-weight: 700; color: var(--foreground); margin-bottom: 0.35rem; line-height: 1.3; }
.card-description { font-size: 0.875rem; color: var(--muted-foreground); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-content { padding: 0.5rem 1.25rem; flex-grow: 1; }
.card-footer { padding: 0.75rem 1.25rem 1.25rem; display: flex; align-items: center; gap: 0.75rem; }

/* Badges */
.badge { display: inline-flex; align-items: center; padding: 0.2rem 0.65rem; font-size: 0.72rem; font-weight: 600; border-radius: 9999px; background-color: var(--secondary); color: var(--secondary-foreground); border: 1px solid var(--border); }
.tech-badge { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1rem; border: 1px solid var(--border); background-color: var(--card); border-radius: 9999px; font-size: 0.875rem; font-weight: 600; box-shadow: var(--shadow-sm); transition: transform 0.2s ease, box-shadow 0.2s ease; }
.tech-badge:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* Prose (Markdown rendered content) */
.prose { color: var(--foreground); max-width: 65ch; margin: 0 auto; line-height: 1.8; }
.prose h1, .prose h2, .prose h3 { color: var(--foreground); margin-top: 1.75em; margin-bottom: 0.75em; font-weight: 800; line-height: 1.25; }
.prose h1 { font-size: 2.25rem; } .prose h2 { font-size: 1.75rem; } .prose h3 { font-size: 1.35rem; }
.prose p { margin-top: 1.25em; margin-bottom: 1.25em; }
.prose a { color: var(--primary); text-decoration: underline; font-weight: 600; }
.prose code { font-family: var(--font-mono); font-size: 0.85em; background-color: var(--muted); color: var(--foreground); padding: 0.2rem 0.4rem; border-radius: var(--radius-sm); border: 1px solid var(--border); }
.prose pre { background-color: var(--muted); padding: 1.25rem; border-radius: var(--radius-md); overflow-x: auto; border: 1px solid var(--border); margin: 1.5rem 0; }
.prose pre code { background-color: transparent; padding: 0; border: none; font-size: 0.9em; }
.prose blockquote { font-style: italic; border-left: 4px solid var(--primary); padding-left: 1.25rem; color: var(--muted-foreground); margin: 1.5rem 0; }
.prose ul, .prose ol { margin-left: 1.5rem; margin-bottom: 1.25em; } .prose li { margin-bottom: 0.5em; }

/* Forms */
.form-group { margin-bottom: 1.25rem; }
.form-label { display: block; font-size: 0.875rem; font-weight: 600; margin-bottom: 0.5rem; color: var(--foreground); }
.form-control { width: 100%; font-family: var(--font-sans); font-size: 0.95rem; padding: 0.625rem 0.75rem; background-color: var(--card); border: 1px solid var(--border); color: var(--foreground); border-radius: var(--radius-md); outline: none; transition: border-color 0.2s ease, box-shadow 0.2s ease; }
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in oklch, var(--primary) 20%, transparent); }

/* ==========================================================================
   ADMIN PANEL STYLES
   ========================================================================== */
.admin-container {
  max-width: 1100px;
  margin: 0 auto;
  padding-bottom: 4rem;
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.admin-header-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}

.admin-header-subtitle {
  color: var(--muted-foreground);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.stat-card {
  padding: 1.5rem;
  flex-direction: row;
  align-items: center;
  gap: 1.25rem;
  height: auto;
}

.stat-card-icon {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: var(--radius-md);
  background: color-mix(in oklch, var(--primary) 10%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.stat-card-label {
  font-size: 0.85rem;
  color: var(--muted-foreground);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-card-value {
  font-size: 1.75rem;
  font-weight: 800;
  margin-top: 0.1rem;
  line-height: 1.2;
}

.admin-table-container {
  overflow-x: auto;
  width: 100%;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}

.admin-table th {
  padding: 0.75rem 1rem;
  color: var(--muted-foreground);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}

.admin-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
}

.admin-table tr {
  transition: background-color 0.2s;
}

.admin-table tr:hover {
  background-color: var(--muted);
}

.admin-form-container {
  max-width: 800px;
  margin: 0 auto;
  padding-bottom: 4rem;
}

.admin-form-card {
  padding: 2rem;
  height: auto;
}

.admin-breadcrumb {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  font-size: 0.875rem;
  color: var(--muted-foreground);
  margin-bottom: 0.5rem;
}

.admin-breadcrumb a {
  color: inherit;
  text-decoration: none;
}

.admin-breadcrumb a:hover {
  color: var(--primary);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
}

/* ==========================================================================
   PUBLIC PAGES STYLES
   ========================================================================== */
.hero-section {
  padding: 4rem 0 6rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  max-width: 800px;
}

.hero-badge {
  margin-bottom: 1rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.8rem;
  background-color: color-mix(in oklch, var(--primary) 10%, transparent);
  color: var(--primary);
  border-color: color-mix(in oklch, var(--primary) 20%, transparent);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary), oklch(0.65 0.25 350));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  color: var(--muted-foreground);
  line-height: 1.6;
  margin-bottom: 2.5rem;
  max-width: 650px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--muted-foreground);
}

.card-media-default {
  background: linear-gradient(135deg, color-mix(in oklch, var(--primary) 15%, var(--background)), color-mix(in oklch, var(--primary) 5%, var(--background)));
  height: 180px;
  position: relative;
}

.card-media-icon {
  position: absolute;
  font-size: 3rem;
}

.card-tech-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.5rem;
}

.card-tech-badge {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
}

.card-footer-action {
  border-top: 1px solid var(--border);
  margin-top: 1rem;
}

.blog-meta-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.blog-category-badge {
  background-color: color-mix(in oklch, var(--primary) 8%, transparent);
  color: var(--primary);
  border: none;
}

.blog-date-text {
  font-size: 0.8rem;
  color: var(--muted-foreground);
}

.blog-title-link {
  color: inherit;
  text-decoration: none;
}

.blog-excerpt-text {
  -webkit-line-clamp: 3;
  margin-top: 0.5rem;
}

.blog-read-more-btn {
  padding-left: 0;
  color: var(--primary);
  font-weight: 600;
}

/* Page Header (portfolio / blog / about) */
.page-header {
  padding: 4rem 0 3rem;
  max-width: 700px;
}

.page-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}

.page-subtitle {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  line-height: 1.6;
}

/* About Page Specifics */
.about-split-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: start;
}
@media (min-width: 768px) {
  .about-split-grid {
    grid-template-columns: 2fr 1fr;
  }
}

.about-experience-timeline {
  position: relative;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding-left: 1.75rem;
}

.about-experience-timeline::before {
  content: "";
  position: absolute;
  left: 0.45rem;
  top: 0.25rem;
  bottom: 0.25rem;
  width: 2px;
  background: var(--border);
}

.about-experience-item {
  position: relative;
  display: grid;
  grid-template-columns: 1rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.about-experience-marker {
  position: relative;
  width: 1rem;
  height: 1rem;
  margin-top: 0.4rem;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 0 4px color-mix(in oklch, var(--primary) 12%, transparent);
  z-index: 1;
}

.about-experience-body {
  min-width: 0;
}

.about-experience-item::before {
  content: "";
  display: none;
}

.about-experience-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.about-experience-company {
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.about-experience-summary,
.about-experience-bullets {
  margin: 0;
  color: var(--muted-foreground);
  font-size: 0.95rem;
}

.about-experience-bullets {
  padding-left: 1.2rem;
}

.about-experience-bullets li + li {
  margin-top: 0.35rem;
}

.about-profile-card {
  padding: 2rem;
  align-items: center;
  text-align: center;
  height: auto;
  align-self: start;
  width: 100%;
}

.about-profile-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), oklch(0.65 0.25 350));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-md);
}

.about-skills-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.about-skill-badge {
  padding: 0.3rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
}

.about-highlight-item {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 0.25rem 0.1rem;
}

.about-highlight-icon {
  width: 2rem;
  height: 2rem;
  min-width: 2rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in oklch, var(--primary) 10%, transparent);
  color: var(--primary);
  font-weight: 800;
  margin-top: 0.1rem;
}

.about-highlight-title {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted-foreground);
  margin-bottom: 0.35rem;
}

.about-highlight-description {
  color: var(--muted-foreground);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* System Config Admin */
.config-value-preview {
  max-width: 420px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--muted-foreground);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.config-type-badge {
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.68rem;
}

.config-form-switch {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
}

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

.config-value-area {
  min-height: 220px;
  font-family: var(--font-mono);
  line-height: 1.5;
}

/* Blog Detail Specifics */
.blog-detail-container {
  max-width: 800px;
  padding-top: 3rem;
  padding-bottom: 5rem;
}

.blog-detail-header {
  margin-bottom: 3rem;
  text-align: center;
}

.blog-detail-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.blog-detail-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
  color: var(--foreground);
}

.blog-detail-author {
  font-size: 0.9rem;
  color: var(--muted-foreground);
}

.blog-detail-footer {
  margin-top: 5rem;
  border-top: 1px solid var(--border);
  padding-top: 2rem;
}

/* Login Page Specifics */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 22rem);
  padding: 2rem 1rem;
}

.login-form-wrapper {
  width: 100%;
  max-width: 400px;
}

/* Error Pages Specifics */
.error-container {
  text-align: center;
  padding: 6rem 1rem;
}

.error-code {
  font-size: 6rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.error-code-destructive {
  font-size: 6rem;
  font-weight: 800;
  color: var(--destructive);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.error-message {
  font-size: 1.25rem;
  color: var(--muted-foreground);
}

.error-action {
  margin-top: 2rem;
}

/* EasyMDE Theme Overrides */
.editor-toolbar {
  border-color: var(--border) !important;
  background-color: var(--muted) !important;
  border-top-left-radius: var(--radius-md) !important;
  border-top-right-radius: var(--radius-md) !important;
}
.editor-toolbar a {
  color: var(--foreground) !important;
}
.editor-toolbar a:hover, .editor-toolbar a.active {
  background-color: var(--accent) !important;
}
.editor-toolbar i.separator {
  border-right-color: var(--border) !important;
}
.CodeMirror {
  border-color: var(--border) !important;
  background-color: var(--card) !important;
  color: var(--foreground) !important;
  font-family: var(--font-mono) !important;
  font-size: 0.9rem !important;
  border-bottom-left-radius: var(--radius-md) !important;
  border-bottom-right-radius: var(--radius-md) !important;
}
.CodeMirror-cursor {
  border-left-color: var(--foreground) !important;
}
.editor-preview-active {
  background-color: var(--card) !important;
  color: var(--foreground) !important;
}
.editor-preview {
  padding: 1.5rem !important;
}
.editor-preview h1, .editor-preview h2, .editor-preview h3 {
  margin-top: 1rem;
  margin-bottom: 0.5rem;
}
.editor-preview p {
  margin-bottom: 1rem;
}