:root {
  /* Fonts */
  --font-heading: "Montserrat", system-ui, -apple-system, sans-serif;
  --font-body: "Nunito", system-ui, -apple-system, sans-serif;

  /* Colors Light Mode (Reddit inspired) */
  --color-bg-body: #F8F9FA;
  --color-bg-content: #FFFFFF;
  --color-bg-nav: #FFFFFF;
  --color-bg-hover: #F1F3F5;
  --color-bg-vote: #F8F9FA;

  --color-text-primary: #1c1c1c;
  --color-text-secondary: #787C7E;
  --color-text-heading: #222222;

  --color-border: #CCCCCC;
  --color-border-light: #EDEFF1;
  --color-border-hover: #898989;

  --color-accent: #4F46E5; /* Unique Indigo Accent */
  --color-accent-hover: #4338CA;
  --color-upvote: #6366F1;
  --color-downvote: #818CF8;

  --color-nav-link: #1c1c1c;
  --color-nav-link-hover: #000000;

  /* Spacing & Sizing */
  --spacing-nav-height: 56px;
  --article-img-size: 20px; /* Smaller avatar for Reddit style */
  --account-img-size: 125px;
}

/* Dark Mode Colors */
[data-bs-theme="dark"] {
  --color-bg-body: #0F172A;
  --color-bg-content: #1E293B;
  --color-bg-nav: #1E293B;
  --color-bg-hover: #334155;
  --color-bg-vote: #1E293B;

  --color-text-primary: #E2E8F0;
  --color-text-secondary: #94A3B8;
  --color-text-heading: #E2E8F0;

  --color-border: #475569;
  --color-border-light: #475569;
  --color-border-hover: #CBD5E1;

  --color-nav-link: #E2E8F0;
  --color-nav-link-hover: #FFFFFF;
}

/* Base Styles */
body {
  font-family: var(--font-body);
  background: var(--color-bg-body);
  color: var(--color-text-primary);
  margin-top: calc(var(--spacing-nav-height) + 1rem); /* Space for fixed nav */
}

a {
  text-decoration: none;
  color: var(--color-text-primary);
}
a:hover {
  text-decoration: underline;
}

/* Navbar */
.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1030;
}
.site-header .navbar {
  background-color: var(--color-bg-nav) !important;
  border-bottom: 1px solid var(--color-border);
  height: var(--spacing-nav-height);
  padding: 0 1rem;
}
.site-header .navbar-brand {
  font-family: var(--font-heading);
  color: var(--color-accent) !important;
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
}
.search-bar-stub {
  background-color: var(--color-bg-hover);
  border: 1px solid var(--color-border-light);
  border-radius: 20px; /* rounded search bar */
  padding: 6px 16px;
  color: var(--color-text-secondary);
  width: 100%;
  max-width: 450px;
  display: flex;
  align-items: center;
  transition: border-color 0.2s, background-color 0.2s;
}
.search-bar-stub:hover {
  border-color: var(--color-accent);
  background-color: var(--color-bg-content);
  cursor: text;
}
.search-bar-stub svg {
  margin-right: 8px;
  fill: currentColor;
}

/* Layout Grid */
.reddit-layout {
  display: flex;
  justify-content: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 12px;
}
.reddit-main {
  width: 100%;
  max-width: 720px;
  flex: 1 1 auto;
}
.reddit-sidebar {
  width: 300px;
  margin-left: 20px;
  display: none;
}
@media (min-width: 992px) {
  .reddit-sidebar {
    display: block;
  }
}

/* Featured Post Section */
.featured-post {
  background: var(--color-bg-hover);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-start;
}
.featured-post-content {
  flex: 1 1 300px;
}
.featured-post-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text-heading);
  margin-bottom: 12px;
}
.featured-post-title a {
  color: var(--color-text-heading);
  text-decoration: none;
}
.featured-post-title a:hover {
  text-decoration: underline;
}
.featured-post-meta {
  display: flex;
  align-items: center;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}
.featured-post-avatar {
  height: var(--article-img-size);
  width: var(--article-img-size);
  border-radius: 50%;
  margin-right: 8px;
  object-fit: cover;
  border: 2px solid transparent;
}
.featured-post-avatar:hover {
  border-color: var(--color-accent);
  transform: scale(1.05);
}
.featured-post-body {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}
.featured-post-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.featured-post-actions .btn {
  padding: 8px 16px;
  font-size: 0.9rem;
}

/* Reddit Card Style */
.reddit-card {
  background: var(--color-bg-content);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  margin-bottom: 16px;
  display: flex;
  width: 100%;
  transition: border-color 0.15s ease, transform 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
  box-shadow:
    0 14px 30px rgba(0, 0, 0, 0.10),
    inset 0 1px 0 rgba(255, 255, 255, 0.45);
}
.reddit-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
  border-color: var(--color-border-hover);
}
.reddit-card:active {
  transform: translateY(-2px);
}

/* Allow clicks on the card container (but keep inner links working) */
.reddit-card { cursor: pointer; }

/* Vote Column */
.vote-col {
  width: 40px;
  background-color: var(--color-bg-vote);
  padding: 8px 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  border-right: 1px solid transparent;
}
.vote-btn {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  padding: 4px;
  border-radius: 2px;
  cursor: pointer;
}
.vote-btn:hover {
  background-color: var(--color-border-light);
}
.vote-btn.upvote:hover { color: var(--color-upvote); }
.vote-btn.downvote:hover { color: var(--color-downvote); }
.vote-score {
  font-size: 12px;
  font-weight: 700;
  margin: 4px 0;
  color: var(--color-text-primary);
}

/* Card Content */
.card-content {
  padding: 16px;
  flex-grow: 1;
}
.card-meta {
  display: flex;
  align-items: center;
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}
.card-meta a.community-link {
  color: var(--color-text-primary);
  font-weight: 700;
  margin-right: 4px;
}
.card-meta a:hover {
  text-decoration: underline;
}
.card-avatar {
  height: var(--article-img-size);
  width: var(--article-img-size);
  border-radius: 50%;
  margin-right: 6px;
  object-fit: cover;
  border: 2px solid transparent;
}
.card-avatar:hover {
  border-color: var(--color-accent);
  transform: scale(1.05);
}
.card-title {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-heading);
  margin-bottom: 8px;
}
.card-title-link {
  color: var(--color-text-heading);
}
.card-title-link:hover {
  text-decoration: none;
}
.card-body-text {
  font-size: 14px;
  line-height: 21px;
  word-break: break-word;
  color: var(--color-text-primary);
  margin-bottom: 8px;
  white-space: pre-line;
  overflow: visible;
  text-overflow: clip;
}

/* Action Bar */
.action-bar {
  display: flex;
  align-items: center;
  gap: 16px;
}
.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 9999px;
  cursor: pointer;
  transition: all 0.2s ease;
  height: 36px;
  text-decoration: none;
}
.action-btn:hover {
  background-color: var(--color-bg-hover);
  border-color: var(--color-border-hover);
  color: var(--color-text-primary);
  text-decoration: none;
}
.action-btn svg {
  margin-right: 6px;
  fill: currentColor;
}

/* Sidebar Widget */
.sidebar-widget {
  background: var(--color-bg-content);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 12px;
  margin-bottom: 16px;
}
.sidebar-widget-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  margin-bottom: 12px;
}

/* Utility buttons */
.btn-reddit {
  background-color: var(--color-accent);
  color: #FFF !important;
  border-radius: 9999px; /* Pill */
  font-weight: 700;
  font-size: 14px;
  border: none;
  padding: 6px 16px;
  transition: opacity 0.2s, transform 0.1s, box-shadow 0.2s;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.btn-reddit:hover {
  opacity: 0.9;
  transform: scale(1.05);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
  text-decoration: none;
}
.btn-reddit:active {
  transform: scale(0.98);
}
.btn-reddit-outline {
  background-color: transparent;
  color: var(--color-accent) !important;
  border: 1px solid var(--color-accent);
  border-radius: 9999px;
  font-weight: 700;
  font-size: 14px;
  padding: 6px 16px;
  transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.btn-reddit-outline:hover {
  background-color: rgba(79, 70, 229, 0.1);
  transform: scale(1.05);
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
  text-decoration: none;
}
.btn-reddit-outline:active {
  transform: scale(0.98);
}

/* Profile Specific */
.account-img {
  height: var(--account-img-size);
  width: var(--account-img-size);
  object-fit: cover;
}

/* Forms & Modals overrides */
.form-control {
  background-color: var(--color-bg-hover);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.05);
  transition: background-color 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus {
  background-color: var(--color-bg-content);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.15), inset 0 1px 2px rgba(0,0,0,0.05);
  color: var(--color-text-primary);
}
.modal-content {
  background-color: var(--color-bg-content);
  color: var(--color-text-primary);
}
.modal-header, .modal-footer {
  border-color: var(--color-border-light);
}

/* Dark Theme Overrides for standard Bootstrap */
[data-bs-theme="dark"] .modal-header .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
}

/* Glassmorphic Auth Card */
.auth-glass-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    min-height: calc(100vh - 120px);
    width: 100%;
}
.auth-glass-card {
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 24px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
    padding: 48px;
    max-width: 100%;
    min-height: 545px;
    width: 580px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
    text-align: center;
}
[data-bs-theme="dark"] .auth-glass-card {
    background: rgba(40, 40, 40, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}
.auth-glass-card h2 {
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}
.auth-glass-card p.text-muted {
    font-size: 0.9rem;
    margin-bottom: 2rem;
}
.auth-input-group {
    position: relative;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
}
.auth-input-group svg {
    position: absolute;
    left: 1rem;
    color: var(--color-text-secondary);
    width: 18px;
    height: 18px;
}
.auth-input-group input {
    background-color: var(--color-bg-hover);
    border: 1px solid transparent;
    border-radius: 12px;
    padding: 0.8rem 1rem 0.8rem 2.8rem;
    width: 100%;
    color: var(--color-text-primary);
    transition: all 0.2s ease;
}
.auth-input-group input:focus {
    background-color: var(--color-bg-content);
    border: 1px solid var(--color-accent);
    outline: none;
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.15);
}
.auth-input-group .toggle-password {
    position: absolute;
    right: 1rem;
    left: auto;
    cursor: pointer;
}
.auth-glass-card .btn-primary {
    border-radius: 12px;
    padding: 0.8rem;
    font-weight: 600;
    margin-top: 0.5rem;
    width: 100%;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}
.auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1.5rem 0;
    color: var(--color-text-secondary);
    font-size: 0.85rem;
}
.auth-divider::before, .auth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px dashed var(--color-border);
}
.auth-divider::before {
    margin-right: .5em;
}
.auth-divider::after {
    margin-left: .5em;
}
.social-login-group {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}
.social-btn {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.75rem;
    border-radius: 12px;
    background: var(--color-bg-content);
    border: 1px solid var(--color-border);
    transition: background 0.2s;
    cursor: pointer;
}
.social-btn:hover {
    background: var(--color-bg-hover);
}
.icon-top-container {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--color-bg-content), var(--color-bg-hover));
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    margin-bottom: 1.5rem;
    border: 1px solid var(--color-border-light);
    align-self: center;
    margin-left: auto;
    margin-right: auto;
}
[data-bs-theme="dark"] .icon-top-container {
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}