/**
 * BlogBasim Theme — Main Stylesheet
 * Design system with CSS variables, glassmorphism, and responsive layout.
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ==========================================================================
   CSS Variables — Light Mode (default)
   ========================================================================== */
:root,
[data-theme="light"] {
  --color-bg: #F8FAFC;
  --color-surface: #FFFFFF;
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-secondary: #14B8A6;
  --color-accent: #F59E0B;
  --color-text: #111827;
  --color-muted: #6B7280;
  --color-border: rgba(0, 0, 0, 0.08);
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.4);
  --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 8px 32px rgba(0, 0, 0, 0.1);
  --sidebar-width: 280px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --color-bg: #0F172A;
  --color-surface: #1E293B;
  --color-primary: #3B82F6;
  --color-primary-hover: #60A5FA;
  --color-secondary: #2DD4BF;
  --color-accent: #FBBF24;
  --color-text: #F8FAFC;
  --color-muted: #94A3B8;
  --color-border: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(30, 41, 59, 0.75);
  --glass-border: rgba(255, 255, 255, 0.1);
  --shadow-soft: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-medium: 0 8px 32px rgba(0, 0, 0, 0.4);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color var(--transition), color var(--transition);
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.sr-only, .screen-reader-text {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.skip-link:focus {
  position: fixed; top: 8px; left: 8px; z-index: 9999; width: auto; height: auto;
  padding: 12px 24px; background: var(--color-primary); color: #fff; clip: auto;
  border-radius: var(--radius-sm);
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.grid { display: grid; }
.hidden { display: none; }
.block { display: block; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.inset-0 { inset: 0; }
.top-0 { top: 0; }
.start-0 { left: 0; }
.end-1 { right: 0.25rem; }
.top-1\/2 { top: 50%; }
.z-10 { z-index: 10; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }
.w-full { width: 100%; }
.h-full { height: 100%; }
.h-48 { height: 12rem; }
.min-h-screen { min-height: 100vh; }
.min-h-\[60vh\] { min-height: 60vh; }
.max-w-md { max-width: 28rem; }
.max-w-xl { max-width: 36rem; }
.max-w-xs { max-width: 20rem; }
.max-w-none { max-width: none; }
.max-w-2xl { max-width: 42rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem; }
.mt-auto { margin-top: auto; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.my-6 { margin-top: 1.5rem; margin-bottom: 1.5rem; }
.ms-\[var\(--sidebar-width\)\] { margin-left: var(--sidebar-width); }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-0\.5 { padding-top: 0.125rem; padding-bottom: 0.125rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.pt-6 { padding-top: 1.5rem; }
.overflow-hidden { overflow: hidden; }
.overflow-y-auto { overflow-y: auto; }
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }
.text-8xl { font-size: 6rem; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.tracking-tight { letter-spacing: -0.025em; }
.tracking-wide { letter-spacing: 0.025em; }
.tracking-wider { letter-spacing: 0.05em; }
.uppercase { text-transform: uppercase; }
.leading-tight { line-height: 1.25; }
.leading-snug { line-height: 1.375; }
.leading-relaxed { line-height: 1.625; }
.text-center { text-align: center; }
.text-start { text-align: start; }
.text-end { text-align: end; }
.text-muted { color: var(--color-muted); }
.text-primary { color: var(--color-primary); }
.text-primary\/20 { color: rgba(37, 99, 235, 0.2); }
.bg-surface { background-color: var(--color-surface); }
.bg-black\/40 { background-color: rgba(0, 0, 0, 0.4); }
.border-t { border-top: 1px solid var(--color-border); }
.border-border { border-color: var(--color-border); }
.rounded-full { border-radius: 9999px; }
.rounded-lg { border-radius: var(--radius-md); }
.rounded-2xl { border-radius: var(--radius-xl); }
.shadow-soft { box-shadow: var(--shadow-soft); }
.object-cover { object-fit: cover; }
.opacity-0 { opacity: 0; }
.invisible { visibility: hidden; }
.pointer-events-none { pointer-events: none; }
.backdrop-blur-sm { backdrop-filter: blur(4px); }
.transition-all { transition: all var(--transition); }
.transition-colors { transition: color var(--transition), background-color var(--transition); }
.transition-transform { transition: transform var(--transition); }
.duration-300 { transition-duration: 300ms; }
.duration-500 { transition-duration: 500ms; }
.ease-out { transition-timing-function: cubic-bezier(0, 0, 0.2, 1); }
.transform { transform: translateZ(0); }
.-translate-y-1\/2 { transform: translateY(-50%); }
.-translate-x-full { transform: translateX(-100%); }
.translate-x-full { transform: translateX(100%); }
.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.antialiased { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

@media (min-width: 640px) { .sm\:inline-flex { display: inline-flex; } }
@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:inline-flex { display: inline-flex; }
  .md\:col-start-2 { grid-column-start: 2; }
  .md\:p-12 { padding: 3rem; }
  .md\:text-5xl { font-size: 3rem; }
  .md\:flex { display: flex; }
}
@media (min-width: 1024px) {
  .lg\:hidden { display: none; }
  .lg\:flex { display: flex; }
  .lg\:flex-col { flex-direction: column; }
  .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
  .lg\:p-16 { padding: 4rem; }
  .lg\:text-6xl { font-size: 3.75rem; }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:ms-\[var\(--sidebar-width\)\] { margin-left: var(--sidebar-width); }
}

[dir="rtl"] .ms-\[var\(--sidebar-width\)\],
[dir="rtl"] .lg\:ms-\[var\(--sidebar-width\)\] { margin-left: 0; margin-right: var(--sidebar-width); }
[dir="rtl"] .start-0 { left: auto; right: 0; }
[dir="rtl"] .end-1 { right: auto; left: 0.25rem; }

[data-theme="light"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: block; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }

.glass-card, .glass-header, .glass-sidebar {
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
}
.glass-card { border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); }
.glass-header { border-bottom: 1px solid var(--color-border); }
.glass-sidebar { border-right: 1px solid var(--color-border); }
[dir="rtl"] .glass-sidebar { border-right: none; border-left: 1px solid var(--color-border); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.625rem 1.25rem; font-size: 0.875rem; font-weight: 500; line-height: 1;
  border-radius: var(--radius-sm); border: 1px solid transparent; cursor: pointer;
  transition: all var(--transition); text-decoration: none;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-soft); }
.btn-ghost { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn-ghost:hover { background: var(--color-surface); }
.btn-sm { padding: 0.5rem 1rem; font-size: 0.8125rem; }
.btn-icon { padding: 0.5rem; width: 2.5rem; height: 2.5rem; }
.link-hover:hover { color: var(--color-primary); }

.form-label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.375rem; }
.form-input, .search-field {
  width: 100%; padding: 0.75rem 1rem; font-size: 0.9375rem; color: var(--color-text);
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-sm); transition: border-color var(--transition), box-shadow var(--transition);
}
.form-input:focus, .search-field:focus {
  outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}
.search-form__inner .search-field { padding-right: 3rem; }
[dir="rtl"] .search-form__inner .search-field { padding-right: 1rem; padding-left: 3rem; }
.search-form--header .search-field { padding-top: 0.5rem; padding-bottom: 0.5rem; font-size: 0.875rem; }

.auth-notice--error { background: rgba(239, 68, 68, 0.1); color: #DC2626; border: 1px solid rgba(239, 68, 68, 0.2); }
.auth-notice--success { background: rgba(34, 197, 94, 0.1); color: #16A34A; border: 1px solid rgba(34, 197, 94, 0.2); }
[data-theme="dark"] .auth-notice--error { color: #F87171; }
[data-theme="dark"] .auth-notice--success { color: #4ADE80; }

.sidebar-section-title {
  font-size: 0.6875rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--color-muted); margin-bottom: 0.75rem;
}
.sidebar-menu a, .mobile-menu a, .nav-menu a, .footer-menu a {
  display: block; padding: 0.5rem 0.75rem; border-radius: var(--radius-sm);
  font-size: 0.9375rem; transition: all var(--transition);
}
.sidebar-menu a:hover, .mobile-menu a:hover, .nav-menu a:hover, .footer-menu a:hover {
  background: var(--color-surface); color: var(--color-primary);
}
.sidebar-menu .current-menu-item > a, .mobile-menu .current-menu-item > a {
  background: var(--color-primary); color: #fff;
}
.site-sidebar { left: auto; right: 0; }
.site-sidebar.is-collapsed { transform: translateX(100%); }
[dir="rtl"] .site-sidebar { left: 0; right: auto; }
[dir="rtl"] .site-sidebar.is-collapsed { transform: translateX(-100%); }
.mobile-drawer__panel { left: auto; right: 0; }
.mobile-drawer.is-open { visibility: visible; opacity: 1; }
.mobile-drawer.is-open .mobile-drawer__panel { transform: translateX(0); }
[dir="rtl"] .mobile-drawer__panel { left: 0; right: auto; }

@media (min-width: 1024px) {
  .site-content-wrapper--with-sidebar { margin-right: var(--sidebar-width); }
}

.content-area { max-width: 1200px; margin: 0 auto; width: 100%; }
.content-area--narrow { max-width: 768px; }

.hero-glow {
  background: radial-gradient(ellipse at 30% 50%, rgba(37, 99, 235, 0.12) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 20%, rgba(20, 184, 166, 0.08) 0%, transparent 50%);
}
[data-theme="dark"] .hero-glow {
  background: radial-gradient(ellipse at 30% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 20%, rgba(45, 212, 191, 0.1) 0%, transparent 50%);
}

.post-card { transition: transform var(--transition), box-shadow var(--transition); }
.post-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-medium); }
.post-card__thumbnail img { transition: transform 0.5s ease; }
.post-card:hover .post-card__thumbnail img { transform: scale(1.05); }

.prose { color: var(--color-text); line-height: 1.75; }
.prose h2, .prose h3, .prose h4 { font-weight: 600; letter-spacing: -0.02em; margin-top: 2em; margin-bottom: 0.75em; }
.prose p { margin-bottom: 1.25em; }
.prose a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; }
.prose img { border-radius: var(--radius-md); margin: 2em 0; }
.prose blockquote { border-left: 3px solid var(--color-primary); padding-left: 1.25em; margin: 1.5em 0; color: var(--color-muted); font-style: italic; }
.prose code { background: var(--color-surface); padding: 0.15em 0.4em; border-radius: 4px; font-size: 0.875em; }
.prose pre { background: var(--color-surface); padding: 1.25em; border-radius: var(--radius-md); overflow-x: auto; }
.prose-lg { font-size: 1.0625rem; }

.pagination { display: flex; flex-wrap: wrap; gap: 0.5rem; justify-content: center; }
.pagination a, .pagination span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 2.5rem; height: 2.5rem; padding: 0 0.75rem;
  border-radius: var(--radius-sm); font-size: 0.875rem;
  border: 1px solid var(--color-border); transition: all var(--transition);
}
.pagination a:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.pagination .current { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.tags-links a {
  display: inline-block; padding: 0.25rem 0.75rem; background: var(--color-surface);
  border-radius: 9999px; font-size: 0.8125rem; margin: 0.25rem; border: 1px solid var(--color-border);
}
.tags-links a:hover { border-color: var(--color-primary); color: var(--color-primary); }

@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
.animate-fade-in { animation: fadeIn 0.6s ease forwards; }
@keyframes slideUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
.bb-animate--fade-in { animation: fadeIn 0.6s ease forwards; }
.bb-animate--slide-up { animation: slideUp 0.6s ease forwards; }

.bb-media-content { border-radius: var(--bb-radius, 12px); overflow: hidden; }
.bb-media-content--shadow-none { box-shadow: none; }
.bb-media-content--shadow-soft { box-shadow: var(--shadow-soft); }
.bb-media-content--shadow-medium { box-shadow: var(--shadow-medium); }
.bb-media-content--width-default { max-width: 100%; }
.bb-media-content--width-wide { max-width: 1200px; margin-left: auto; margin-right: auto; }
.bb-media-content--width-full { max-width: 100vw; margin-left: calc(50% - 50vw); margin-right: calc(50% - 50vw); width: 100vw; }
.bb-media-content.aligncenter { margin-left: auto; margin-right: auto; }
.bb-media-content.alignwide { max-width: 1200px; }
.bb-media-content.alignfull { max-width: none; width: 100%; }
.bb-media-content__inner { display: flex; flex-wrap: wrap; gap: var(--bb-spacing, 24px); align-items: center; }
.bb-media-content--image-left .bb-media-content__inner,
.bb-media-content--video-left .bb-media-content__inner { flex-direction: row; }
.bb-media-content--image-right .bb-media-content__inner,
.bb-media-content--video-right .bb-media-content__inner { flex-direction: row-reverse; }
.bb-media-content--image-top .bb-media-content__inner,
.bb-media-content--video-top .bb-media-content__inner { flex-direction: column; }
.bb-media-content--image-bottom .bb-media-content__inner,
.bb-media-content--video-bottom .bb-media-content__inner { flex-direction: column-reverse; }
.bb-media-content__media { flex: 0 0 var(--bb-media-width, 50%); max-width: var(--bb-media-width, 50%); }
.bb-media-content__content { flex: 0 0 var(--bb-content-width, 50%); max-width: var(--bb-content-width, 50%); }
.bb-media-content--image-top .bb-media-content__media,
.bb-media-content--image-top .bb-media-content__content,
.bb-media-content--image-bottom .bb-media-content__media,
.bb-media-content--image-bottom .bb-media-content__content,
.bb-media-content--video-top .bb-media-content__media,
.bb-media-content--video-top .bb-media-content__content,
.bb-media-content--video-bottom .bb-media-content__media,
.bb-media-content--video-bottom .bb-media-content__content { flex: 0 0 100%; max-width: 100%; }
.bb-media-content__image { width: 100%; border-radius: var(--bb-radius, 12px); object-fit: cover; }
.bb-media-content__gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 8px; }
.bb-media-content__gallery-item img { width: 100%; height: 120px; object-fit: cover; border-radius: calc(var(--bb-radius, 12px) / 2); }
.bb-media-content__video { width: 100%; border-radius: var(--bb-radius, 12px); overflow: hidden; }
.bb-media-content__video--embed iframe { width: 100%; aspect-ratio: 16 / 9; border: 0; }
.bb-media-content__video--self { width: 100%; border-radius: var(--bb-radius, 12px); }
.bb-media-content__heading { font-size: 1.75rem; font-weight: 700; letter-spacing: -0.02em; margin: 0 0 0.75rem; }
.bb-media-content__paragraph { margin-bottom: 1rem; line-height: 1.7; }
.bb-media-content__button { margin-top: 0.5rem; }

@media (max-width: 767px) {
  .bb-media-content__media, .bb-media-content__content { flex: 0 0 100% !important; max-width: 100% !important; }
  .bb-media-content--image-left .bb-media-content__inner,
  .bb-media-content--image-right .bb-media-content__inner,
  .bb-media-content--video-left .bb-media-content__inner,
  .bb-media-content--video-right .bb-media-content__inner { flex-direction: column; }
}

.comment-list { list-style: none; padding: 0; }
.comment-list .comment { margin-bottom: 1.5rem; padding: 1rem; background: var(--color-surface); border-radius: var(--radius-md); }
.custom-logo-link { display: block; }
.custom-logo { max-height: 48px; width: auto; }