/* ==========================================================================
   CodeHub Studio - GitHub Primer Inspired Design System
   ========================================================================== */

:root {
  /* GitHub Color Tokens */
  --gh-canvas-default: #ffffff;
  --gh-canvas-subtle: #f6f8fa;
  --gh-canvas-inset: #f6f8fa;
  --gh-border-default: #d0d7de;
  --gh-border-muted: #d8dee4;
  --gh-border-subtle: #afb8c133;
  --gh-fg-default: #24292f;
  --gh-fg-muted: #57606a;
  --gh-fg-subtle: #6e7781;
  --gh-fg-on-emphasis: #ffffff;
  
  /* Brand & Accents */
  --gh-accent-fg: #0969da;
  --gh-accent-emphasis: #0969da;
  --gh-accent-muted: #ddf4ff;
  --gh-accent-subtle: #f0f6fc;
  
  /* Success / Release */
  --gh-success-fg: #1a7f37;
  --gh-success-emphasis: #1f883d;
  --gh-success-muted: #dafbe1;
  
  /* Danger */
  --gh-danger-fg: #cf222e;
  --gh-danger-emphasis: #da3633;
  --gh-danger-muted: #ffebe9;

  /* Warning */
  --gh-attention-fg: #9a6700;
  --gh-attention-muted: #fff8c5;

  /* Purple / Tags */
  --gh-done-fg: #8250df;
  --gh-done-muted: #fbefff;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  
  --shadow-sm: 0 1px 0 rgba(27, 31, 36, 0.04);
  --shadow-md: 0 3px 6px rgba(140, 149, 159, 0.15);
  --shadow-lg: 0 8px 24px rgba(140, 149, 159, 0.2);
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-full: 9999px;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--gh-fg-default);
  background-color: var(--gh-canvas-subtle);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

a:hover {
  text-decoration: underline;
}

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

/* Octicon Icons */
.octicon {
  display: inline-block;
  overflow: visible;
  vertical-align: text-bottom;
  fill: currentColor;
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 16px;
}

/* ==========================================================================
   Header Component (GitHub Style)
   ========================================================================== */
.gh-header {
  background-color: #24292f;
  color: #ffffff;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.gh-header a:not(.btn) {
  color: #ffffff;
  text-decoration: none;
}

.gh-header .btn {
  color: var(--gh-fg-default) !important;
  background-color: var(--gh-canvas-default) !important;
  border: 1px solid var(--gh-border-default) !important;
}

.gh-header .btn:hover {
  background-color: #f3f4f6 !important;
  color: var(--gh-accent-fg) !important;
}

.gh-header .btn-primary {
  color: #ffffff !important;
  background-color: var(--gh-success-emphasis) !important;
  border-color: rgba(27, 31, 36, 0.15) !important;
}

.gh-header .btn-primary:hover {
  background-color: #2c974b !important;
  color: #ffffff !important;
}

.gh-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.gh-logo-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.gh-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.2px;
}

.gh-logo-code {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
  color: #58a6ff;
  background: rgba(56, 139, 253, 0.15);
  border: 1px solid rgba(56, 139, 253, 0.4);
  padding: 4px 9px;
  border-radius: var(--radius-md);
  letter-spacing: -0.5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 10px rgba(56, 139, 253, 0.18);
  transition: all 0.2s ease;
  user-select: none;
}

.gh-logo:hover .gh-logo-code {
  color: #79c0ff;
  background: rgba(56, 139, 253, 0.25);
  border-color: #58a6ff;
  box-shadow: 0 0 16px rgba(56, 139, 253, 0.35);
  transform: scale(1.05);
}

.gh-logo svg {
  fill: #ffffff;
}

.gh-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  margin-left: 20px;
}

.gh-nav-item {
  position: relative;
  font-weight: 500;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
  cursor: pointer;
  padding: 6px 8px;
  border-radius: var(--radius-md);
  transition: background 0.15s ease, color 0.15s ease;
  display: flex;
  align-items: center;
  gap: 4px;
}

.gh-nav-item:hover, .gh-nav-item.active {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.12);
  text-decoration: none;
}

/* Dropdown Menu */
.gh-dropdown {
  position: relative;
}

.gh-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 260px;
  background: var(--gh-canvas-default);
  border: 1px solid var(--gh-border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 6px 0;
  z-index: 200;
}

.gh-dropdown.open .gh-dropdown-menu,
.gh-dropdown:hover .gh-dropdown-menu {
  display: block;
}

.gh-dropdown-header {
  padding: 6px 16px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--gh-fg-muted);
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--gh-border-subtle);
}

.gh-dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  color: var(--gh-fg-default) !important;
  font-size: 13px;
  transition: background 0.15s ease;
}

.gh-dropdown-item:hover {
  background-color: var(--gh-canvas-subtle);
  color: var(--gh-accent-fg) !important;
  text-decoration: none;
}

.gh-dropdown-item .sub-project {
  font-size: 11px;
  color: var(--gh-fg-muted);
  background: var(--gh-canvas-subtle);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--gh-border-muted);
}

.gh-dropdown-divider {
  height: 1px;
  background-color: var(--gh-border-subtle);
  margin: 6px 0;
}

/* Header Right Area */
.gh-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.gh-search-form {
  position: relative;
}

.gh-search-input {
  background-color: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: #ffffff;
  padding: 5px 12px 5px 30px;
  font-size: 13px;
  width: 220px;
  transition: width 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.gh-search-input:focus {
  background-color: #ffffff;
  color: var(--gh-fg-default);
  border-color: var(--gh-accent-fg);
  outline: none;
  width: 280px;
}

.gh-search-icon {
  position: absolute;
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.6);
  pointer-events: none;
}

.gh-search-input:focus + .gh-search-icon {
  color: var(--gh-fg-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 500;
  line-height: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--gh-border-default);
  background-color: var(--gh-canvas-default);
  color: var(--gh-fg-default);
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}

.btn:hover {
  background-color: #f3f4f6;
  border-color: rgba(27, 31, 36, 0.15);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--gh-success-emphasis);
  color: #ffffff !important;
  border-color: rgba(27, 31, 36, 0.15);
}

.btn-primary:hover {
  background-color: #2c974b;
  color: #ffffff !important;
}

.btn-accent {
  background-color: var(--gh-accent-emphasis);
  color: #ffffff !important;
  border-color: rgba(27, 31, 36, 0.15);
}

.btn-accent:hover {
  background-color: #085cc0;
  color: #ffffff !important;
}

.btn-danger {
  color: var(--gh-danger-fg);
  border-color: var(--gh-border-default);
}

.btn-danger:hover {
  background-color: var(--gh-danger-emphasis);
  color: #ffffff !important;
  border-color: var(--gh-danger-emphasis);
}

.btn-sm {
  padding: 3px 10px;
  font-size: 12px;
}

.btn-lg {
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
}

.btn-block {
  width: 100%;
}

/* Avatars */
.gh-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: #ffffff;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  background: linear-gradient(180deg, #ffffff 0%, var(--gh-canvas-subtle) 100%);
  border-bottom: 1px solid var(--gh-border-default);
  padding: 36px 0 28px;
  margin-bottom: 24px;
}

.hero-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.hero-text h1 {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.5px;
  color: var(--gh-fg-default);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-text p {
  font-size: 16px;
  color: var(--gh-fg-muted);
  max-width: 650px;
}

.hero-stats {
  display: flex;
  gap: 16px;
}

.stat-box {
  background: var(--gh-canvas-default);
  border: 1px solid var(--gh-border-default);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  text-align: center;
  min-width: 90px;
  box-shadow: var(--shadow-sm);
}

.stat-number {
  font-size: 22px;
  font-weight: 700;
  color: var(--gh-accent-fg);
  line-height: 1;
}

.stat-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--gh-fg-muted);
  margin-top: 4px;
}

/* ==========================================================================
   Main Layout & Sidebar
   ========================================================================== */
.main-wrapper {
  flex: 1;
  padding: 16px 0 48px;
}

.layout-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 24px;
  align-items: start;
}

.layout-grid-full {
  display: grid;
  grid-template-columns: 1fr;
}

/* Box / Card Styling */
.box {
  background-color: var(--gh-canvas-default);
  border: 1px solid var(--gh-border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  overflow: hidden;
}

.box-header {
  padding: 12px 16px;
  background-color: var(--gh-canvas-subtle);
  border-bottom: 1px solid var(--gh-border-default);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 600;
  font-size: 14px;
}

.box-body {
  padding: 16px;
}

/* Projects Grid (GitHub Repo Cards) */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}

.repo-card {
  background-color: var(--gh-canvas-default);
  border: 1px solid var(--gh-border-default);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  box-shadow: var(--shadow-sm);
}

.repo-card:hover {
  border-color: #8c959f;
  box-shadow: var(--shadow-md);
}

.repo-card-top {
  margin-bottom: 12px;
}

.repo-card-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.repo-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--gh-accent-fg);
  display: flex;
  align-items: center;
  gap: 8px;
}

.repo-card-subtitle {
  font-size: 13px;
  color: var(--gh-fg-muted);
  margin-bottom: 10px;
  line-height: 1.4;
}

.repo-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 7px;
  font-size: 11px;
  font-weight: 500;
  border-radius: var(--radius-full);
  border: 1px solid var(--gh-border-default);
  color: var(--gh-fg-muted);
  background: var(--gh-canvas-subtle);
  font-family: var(--font-mono);
}

.repo-badge-success {
  background-color: var(--gh-success-muted);
  color: var(--gh-success-fg);
  border-color: rgba(26, 127, 55, 0.2);
}

/* Hashtag Pills */
.tags-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 500;
  border-radius: var(--radius-full);
  background-color: var(--gh-accent-muted);
  color: var(--gh-accent-fg);
  text-decoration: none;
  transition: background 0.15s ease;
}

.tag-pill:hover {
  background-color: #b6e3ff;
  text-decoration: none;
}

.repo-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--gh-fg-muted);
  padding-top: 10px;
  border-top: 1px solid var(--gh-border-subtle);
}

.meta-lang {
  display: flex;
  align-items: center;
  gap: 6px;
}

.meta-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #4f5d95; /* PHP blue/purple */
}

/* Sidebar Widgets */
.sidebar-widget {
  background: var(--gh-canvas-default);
  border: 1px solid var(--gh-border-default);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

.sidebar-widget-header {
  padding: 10px 14px;
  border-bottom: 1px solid var(--gh-border-default);
  font-size: 13px;
  font-weight: 600;
  color: var(--gh-fg-default);
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--gh-canvas-subtle);
}

.sidebar-widget-body {
  padding: 12px 14px;
}

.sidebar-project-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px solid var(--gh-border-subtle);
  font-size: 13px;
}

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

.sidebar-project-item a {
  font-weight: 500;
  color: var(--gh-fg-default);
}

.sidebar-project-item a:hover {
  color: var(--gh-accent-fg);
}

/* ==========================================================================
   Project Detail Page
   ========================================================================== */
.project-header-bar {
  background: var(--gh-canvas-default);
  border-bottom: 1px solid var(--gh-border-default);
  padding: 20px 0 16px;
  margin-bottom: 24px;
}

.project-breadcrumbs {
  font-size: 18px;
  font-weight: 400;
  color: var(--gh-fg-muted);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 6px;
}

.project-breadcrumbs a {
  color: var(--gh-accent-fg);
}

.project-breadcrumbs strong {
  font-weight: 600;
  color: var(--gh-fg-default);
}

.project-subtitle-lead {
  font-size: 15px;
  color: var(--gh-fg-muted);
}

/* Gallery Showcase */
.gallery-container {
  margin-bottom: 24px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  border: 1px solid var(--gh-border-default);
  overflow: hidden;
  background: #000;
  aspect-ratio: 16 / 10;
  cursor: pointer;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.gallery-item:hover img {
  transform: scale(1.04);
  opacity: 0.9;
}

.gallery-zoom-badge {
  position: absolute;
  bottom: 6px;
  right: 6px;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-size: 11px;
}

/* Markdown Content Styling */
.markdown-body {
  font-size: 14px;
  line-height: 1.6;
  color: var(--gh-fg-default);
}

.markdown-body h1, .markdown-body .md-h1 {
  font-size: 22px;
  font-weight: 600;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--gh-border-muted);
  margin: 20px 0 12px;
}

.markdown-body h2, .markdown-body .md-h2 {
  font-size: 18px;
  font-weight: 600;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--gh-border-subtle);
  margin: 18px 0 10px;
}

.markdown-body h3, .markdown-body .md-h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 16px 0 8px;
}

.markdown-body h4, .markdown-body .md-h4 {
  font-size: 14px;
  font-weight: 600;
  margin: 14px 0 6px;
}

.markdown-body p {
  margin-bottom: 12px;
}

.markdown-body .md-ul {
  padding-left: 24px;
  margin-bottom: 14px;
}

.markdown-body .md-li {
  margin-bottom: 4px;
}

.inline-code {
  padding: 0.2em 0.4em;
  margin: 0;
  font-size: 85%;
  background-color: var(--gh-canvas-subtle);
  border: 1px solid var(--gh-border-muted);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
}

.code-block {
  background-color: #161b22;
  color: #e6edf3;
  border-radius: var(--radius-md);
  margin: 14px 0;
  overflow: hidden;
  border: 1px solid #30363d;
}

.code-header {
  background-color: #21262d;
  padding: 4px 12px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: #8b949e;
  border-bottom: 1px solid #30363d;
}

.code-block pre {
  padding: 12px 16px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.45;
}

/* Action Info Box (Final Release Box) */
.release-info-box {
  background-color: var(--gh-canvas-default);
  border: 1px solid var(--gh-border-default);
  border-left: 4px solid var(--gh-accent-fg);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin: 28px 0;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.release-details {
  display: flex;
  align-items: center;
  gap: 12px;
}

.release-version-pill {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 10px;
  background-color: var(--gh-success-muted);
  color: var(--gh-success-fg);
  border: 1px solid rgba(26, 127, 55, 0.2);
  border-radius: var(--radius-full);
}

.release-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* Comments Section */
.comments-section {
  margin-top: 32px;
}

.comment-timeline-item {
  display: flex;
  gap: 14px;
  margin-bottom: 16px;
}

.comment-card {
  flex: 1;
  background: var(--gh-canvas-default);
  border: 1px solid var(--gh-border-default);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.comment-header {
  padding: 8px 14px;
  background-color: var(--gh-canvas-subtle);
  border-bottom: 1px solid var(--gh-border-default);
  font-size: 13px;
  color: var(--gh-fg-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.comment-author {
  font-weight: 600;
  color: var(--gh-fg-default);
}

.comment-body {
  padding: 14px;
  font-size: 14px;
  line-height: 1.5;
}

/* ==========================================================================
   Admin & Forms Styling
   ========================================================================== */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 13px;
  margin-bottom: 6px;
  color: var(--gh-fg-default);
}

.form-control {
  width: 100%;
  padding: 6px 12px;
  font-size: 14px;
  line-height: 20px;
  color: var(--gh-fg-default);
  background-color: var(--gh-canvas-default);
  border: 1px solid var(--gh-border-default);
  border-radius: var(--radius-md);
  box-shadow: inset 0 1px 0 rgba(208, 215, 222, 0.2);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  font-family: inherit;
}

.form-control:focus {
  border-color: var(--gh-accent-fg);
  outline: none;
  box-shadow: inset 0 0 0 1px var(--gh-accent-fg), 0 0 0 3px rgba(9, 105, 218, 0.3);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-hint {
  font-size: 12px;
  color: var(--gh-fg-muted);
  margin-top: 4px;
}

/* Data Tables */
.table-responsive {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.table th {
  background-color: var(--gh-canvas-subtle);
  color: var(--gh-fg-muted);
  font-weight: 600;
  padding: 10px 14px;
  border-bottom: 1px solid var(--gh-border-default);
}

.table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--gh-border-subtle);
  color: var(--gh-fg-default);
  vertical-align: middle;
}

.table tr:hover td {
  background-color: var(--gh-canvas-subtle);
}

/* Flash Messages */
.flash {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 13px;
  border: 1px solid;
}

.flash-success {
  background-color: var(--gh-success-muted);
  border-color: rgba(26, 127, 55, 0.4);
  color: var(--gh-success-fg);
}

.flash-error {
  background-color: var(--gh-danger-muted);
  border-color: rgba(207, 34, 46, 0.4);
  color: var(--gh-danger-fg);
}

.flash-info {
  background-color: var(--gh-accent-muted);
  border-color: rgba(9, 105, 218, 0.4);
  color: var(--gh-accent-fg);
}

/* Image Upload Preview Grid */
.image-upload-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
  margin-top: 10px;
}

.uploaded-thumb-box {
  position: relative;
  border: 1px solid var(--gh-border-default);
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 1;
}

.uploaded-thumb-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.thumb-delete-btn {
  position: absolute;
  top: 4px;
  right: 4px;
  background: rgba(207, 34, 46, 0.9);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 11px;
}

/* ==========================================================================
   Lightbox Modal (Image Viewer)
   ========================================================================== */
.lightbox-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(13, 17, 23, 0.9);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.lightbox-modal.active {
  display: flex;
}

.lightbox-content {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 40px rgba(0,0,0,0.6);
  border: 1px solid rgba(255,255,255,0.2);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  color: #ffffff;
  font-size: 28px;
  cursor: pointer;
  line-height: 1;
}

/* ==========================================================================
   Footer Component
   ========================================================================== */
.gh-footer {
  margin-top: auto;
  border-top: 1px solid var(--gh-border-default);
  background-color: var(--gh-canvas-default);
  padding: 24px 0;
  font-size: 12px;
  color: var(--gh-fg-muted);
}

.gh-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.gh-footer-links {
  display: flex;
  gap: 16px;
}

.gh-footer-links a {
  color: var(--gh-fg-muted);
}

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

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 900px) {
  .layout-grid {
    grid-template-columns: 1fr;
  }
  .hero-content {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .gh-header-inner {
    flex-wrap: wrap;
  }
  .gh-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .gh-search-input {
    width: 160px;
  }
  .gh-search-input:focus {
    width: 200px;
  }
  .projects-grid {
    grid-template-columns: 1fr;
  }
  .release-info-box {
    flex-direction: column;
    align-items: flex-start;
  }
}