/* ==========================================================================
   Dev Ramps Blog - Styles
   ========================================================================== */

/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */

:root {
  /* Primary Colors */
  --color-bg-dark: #0f1117;
  --color-bg-dark-secondary: #1a1d26;
  --color-bg-light: #ffffff;
  --color-bg-light-secondary: #f8f9fb;
  --color-bg-light-alt: #f3f4f6;

  /* Text Colors */
  --color-text-primary: #1a1d26;
  --color-text-secondary: #6b7280;
  --color-text-on-dark: #f8f9fb;
  --color-text-on-dark-secondary: #9ca3af;

  /* Accent Color */
  --color-accent: #5865f2;
  --color-accent-hover: #4752c4;
  --color-accent-light: rgba(88, 101, 242, 0.1);

  /* Borders & Dividers */
  --color-border-light: #e5e7eb;
  --color-border-dark: #2d3140;

  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Typography Scale */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;
  --text-5xl: 3.5rem;

  /* Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;

  /* Font Families */
  --font-sans: "Inter", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Consolas", monospace;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);

  /* Layout */
  --max-width: 1200px;
  --nav-height: 72px;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

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

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-light-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-top: var(--nav-height);
}

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

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

/* ==========================================================================
   Typography
   ========================================================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: var(--leading-tight);
}

h1 {
  font-size: var(--text-5xl);
}

h2 {
  font-size: var(--text-4xl);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

p {
  margin-bottom: var(--space-md);
}

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

code {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background-color: var(--color-bg-dark);
  border-bottom: 1px solid var(--color-border-dark);
  z-index: 1000;
}

.nav__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav__logo img {
  height: 32px;
  width: 32px;
}

.nav__logo span {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-on-dark);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  font-size: var(--text-sm);
  color: var(--color-text-on-dark-secondary);
  transition: color 0.2s ease;
}

.nav__link:hover {
  color: var(--color-text-on-dark);
}

.nav__link--active {
  color: var(--color-text-on-dark);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.nav__login {
  font-size: var(--text-sm);
  color: var(--color-text-on-dark-secondary);
}

/* Mobile Navigation */
.nav__mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  position: relative;
  z-index: 1001;
}

.nav__mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-on-dark);
  margin: 5px 0;
  transition: 0.3s;
}

/* Mobile Toggle Animation */
.nav__mobile-toggle--open span:nth-child(1) {
  transform: rotate(-45deg) translate(-5px, 5px);
}

.nav__mobile-toggle--open span:nth-child(2) {
  opacity: 0;
}

.nav__mobile-toggle--open span:nth-child(3) {
  transform: rotate(45deg) translate(-5px, -5px);
}

@media (max-width: 768px) {
  .nav__mobile-toggle {
    display: block;
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--color-bg-dark);
    flex-direction: column;
    padding: var(--space-4xl) var(--space-xl);
    transition: right 0.3s ease;
    border-left: 1px solid var(--color-border-dark);
    box-shadow: var(--shadow-lg);
  }

  .nav__links--open {
    right: 0;
  }

  .nav__actions {
    display: none;
  }
}

/* ==========================================================================
   Page Header
   ========================================================================== */

.page-header {
  background-color: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  padding: var(--space-4xl) 0 var(--space-3xl);
  text-align: center;
}

.page-header__title {
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text-on-dark);
}

.page-header__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-on-dark-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* ==========================================================================
   Blog List
   ========================================================================== */

.blog-list {
  padding: var(--space-4xl) 0;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-2xl);
  margin-top: var(--space-2xl);
}

.blog-card {
  background: var(--color-bg-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition:
    transform 0.2s,
    box-shadow 0.2s;
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

.blog-card__image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--color-bg-light-alt);
}

.blog-card__content {
  padding: var(--space-xl);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card__title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text-primary);
}

.blog-card__title a {
  color: var(--color-text-primary);
  transition: color 0.2s;
}

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

.blog-card__meta {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.blog-card__summary {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
  line-height: var(--leading-relaxed);
  flex: 1;
}

.blog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.tag {
  display: inline-block;
  background-color: var(--color-accent-light);
  color: var(--color-accent);
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: var(--text-sm);
  font-weight: 500;
}

.no-blogs {
  text-align: center;
  padding: var(--space-4xl) 0;
  color: var(--color-text-secondary);
  font-size: var(--text-lg);
}

/* ==========================================================================
   Blog Post
   ========================================================================== */

.blog-post {
  padding: var(--space-4xl) 0;
}

.blog-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-3xl);
  align-items: start;
}

.blog-content {
  background: var(--color-bg-light);
  padding: var(--space-3xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  min-width: 0; /* Prevent overflow */
}

.blog-hero-image {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-2xl);
}

.blog-header {
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border-light);
}

.blog-title {
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
  line-height: var(--leading-tight);
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  margin-bottom: var(--space-lg);
}

.blog-body {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--color-text-primary);
}

.blog-body h2 {
  margin-top: var(--space-3xl);
  margin-bottom: var(--space-lg);
  font-size: var(--text-3xl);
  color: var(--color-text-primary);
}

.blog-body h3 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
  font-size: var(--text-xl);
  color: var(--color-text-primary);
}

.blog-body h4 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
  font-size: var(--text-lg);
  color: var(--color-text-primary);
}

.blog-body p {
  margin-bottom: var(--space-lg);
}

.blog-body a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color 0.2s;
}

.blog-body a:hover {
  text-decoration-color: var(--color-accent);
}

.blog-body ul,
.blog-body ol {
  margin-left: var(--space-xl);
  margin-bottom: var(--space-lg);
  list-style: disc;
}

.blog-body ol {
  list-style: decimal;
}

.blog-body li {
  margin-bottom: var(--space-sm);
  line-height: var(--leading-relaxed);
}

.blog-body blockquote {
  border-left: 4px solid var(--color-accent);
  padding-left: var(--space-xl);
  margin: var(--space-xl) 0;
  color: var(--color-text-secondary);
  font-style: italic;
}

.blog-body pre {
  background-color: var(--color-bg-dark);
  padding: var(--space-xl);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin-bottom: var(--space-lg);
  font-size: var(--text-sm);
}

.blog-body pre code {
  background-color: transparent;
  padding: 0;
  color: var(--color-text-on-dark);
}

.blog-body code {
  background-color: var(--color-bg-light-alt);
  padding: 0.2rem 0.4rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.blog-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--space-xl) 0;
}

/* ==========================================================================
   Sidebar
   ========================================================================== */

.sidebar {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-xl));
}

.related-posts {
  background: var(--color-bg-light);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.related-posts__title {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}

.related-post {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.related-post:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.related-post:first-child {
  padding-top: 0;
}

.related-post__title {
  font-size: var(--text-base);
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.related-post__title a {
  color: var(--color-text-primary);
  transition: color 0.2s;
}

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

.related-post__date {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-on-dark-secondary);
  text-align: center;
  padding: var(--space-2xl) 0;
  margin-top: var(--space-4xl);
  border-top: 1px solid var(--color-border-dark);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 968px) {
  .blog-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

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

  .page-header__title {
    font-size: var(--text-3xl);
  }

  .blog-title {
    font-size: var(--text-3xl);
  }

  .container {
    padding: 0 var(--space-lg);
  }

  .blog-content {
    padding: var(--space-xl);
  }
}

@media (max-width: 640px) {
  :root {
    --space-4xl: 3rem;
    --space-3xl: 2rem;
  }

  .page-header__title {
    font-size: var(--text-2xl);
  }

  .blog-title {
    font-size: var(--text-2xl);
  }

  .blog-body {
    font-size: var(--text-base);
  }
}