/*
 * Custom Dark Theme - matches the legacy design palette
 * Variables are loaded from variables.css
 */

/* Global Styles */
html {
  font-size: 16px; /* Base for rem calculations */
  position: relative;
  min-height: 100%;
  scroll-behavior: smooth;
  background: var(--dark-bg) !important;
  background-color: var(--dark-bg) !important;
}

body {
  margin: 0 !important;
  padding: 0 !important;
  background: var(--dark-bg) !important;
  background-color: var(--dark-bg) !important;
  color: var(--text) !important;
  font-family: var(--font-family) !important;
  font-weight: 300 !important;
  font-size: var(--font-size-base) !important;
  line-height: var(--line-height-base) !important;
  letter-spacing: var(--letter-spacing) !important;
  min-height: 100vh !important;
}

/* Typography System - Systematic Heading Scale */
h1, h2, h3, h4, h5, h6 {
  color: var(--text);
  font-weight: 300;
  line-height: var(--line-height-heading);
  margin-top: 0;
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }
h5 { font-size: var(--font-size-h5); }
h6 { font-size: var(--font-size-h6); }

/* Small text utility */
small,
.text-small {
  font-size: var(--font-size-small);
  line-height: var(--line-height-small);
}

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

a:hover {
  color: var(--accent);
  text-decoration: none;
  opacity: 0.8;
}

/* Container Overrides */
.container {
  max-width: 1200px;
}

/* Main Content */
main {
  padding: 2rem 0;
  min-height: calc(100vh - 200px);
  background: var(--dark-bg) !important;
  background-color: var(--dark-bg) !important;
}

/* Footer */
footer {
  background-color: var(--dark-bg);
  color: var(--text-secondary);
  padding: 2rem 0;
  margin-top: 4rem;
  border-top: 1px solid var(--border-light);
}

footer a {
  color: var(--accent);
}

footer a:hover {
  color: var(--accent-hover);
}

/* Cards */
.card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
}

/* Buttons - EXACT MATCH */
.btn-primary {
  background-color: var(--accent);
  border-color: var(--accent);
  color: var(--dark-bg);
  font-weight: 400;
  border-radius: 0;
  transition: var(--transition);
}

.btn-primary:hover {
  background-color: #7798bc;
  border-color: #7798bc;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(142, 173, 207, 0.3);
}

.btn-outline-primary {
  color: var(--accent);
  border-color: var(--accent);
  border-radius: 0;
  font-weight: 400;
}

.btn-outline-primary:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: var(--dark-bg);
}

/* Forms */
.form-control {
  background-color: var(--card-bg);
  border-color: var(--border-light);
  color: var(--text-primary);
}

.form-control:focus {
  background-color: var(--card-bg);
  border-color: var(--accent);
  color: var(--text-primary);
  box-shadow: 0 0 0 0.25rem rgba(142, 173, 207, 0.25);
}

.form-control::placeholder {
  color: var(--text-secondary);
}

/* Focus Styles */
.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.25rem rgba(142, 173, 207, 0.25);
}

/* Utility Classes */
.text-accent {
  color: var(--accent) !important;
}

.bg-accent {
  background-color: var(--accent) !important;
}

.bg-card {
  background-color: var(--card-bg);
}

.border-light-custom {
  border-color: var(--border-light);
}

/* Dark gradient background for body */
.dark-gradient {
  background: linear-gradient(to bottom right, var(--dark-bg), var(--dark-bg-tertiary)) !important;
}

/* Tablet Typography (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
  body {
    font-size: var(--font-size-base-tablet);
  }

  h1 { font-size: var(--font-size-h1-tablet); }
  h2 { font-size: var(--font-size-h2-tablet); }
  h3 { font-size: var(--font-size-h3-tablet); }
  h4 { font-size: var(--font-size-h4-tablet); }
  h5 { font-size: var(--font-size-h5-tablet); }
  h6 { font-size: var(--font-size-h6-tablet); }

  small,
  .text-small {
    font-size: var(--font-size-small-tablet);
  }
}

/* Mobile Typography (≤768px) */
@media (max-width: 768px) {
  body {
    font-size: var(--font-size-base-mobile);
  }

  h1 { font-size: var(--font-size-h1-mobile); }
  h2 { font-size: var(--font-size-h2-mobile); }
  h3 { font-size: var(--font-size-h3-mobile); }
  h4 { font-size: var(--font-size-h4-mobile); }
  h5 { font-size: var(--font-size-h5-mobile); }
  h6 { font-size: var(--font-size-h6-mobile); }

  small,
  .text-small {
    font-size: var(--font-size-small-mobile);
  }

  main {
    padding: 1rem 0;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

/* ============================================
   Homepage Specific Styles
   ============================================ */

/* Hero Section */
.hero-section {
  padding: 4rem 0 3rem 0;
  background: linear-gradient(135deg, var(--dark-bg-secondary) 0%, var(--dark-bg-tertiary) 100%);
  border-bottom: 1px solid var(--border-light);
}

.hero-section h1 {
  letter-spacing: -0.02em;
  text-shadow: var(--shadow-sm);
}

.hero-section .lead {
  color: var(--text-secondary);
  font-weight: 500;
}

/* Latest Posts Section */
.latest-posts {
  background: transparent;
}

.latest-posts .card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  transition: all 0.3s ease;
  height: 100%;
}

.latest-posts .card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.latest-posts .card-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.4;
}

.latest-posts .card-text {
  line-height: 1.7;
}

.latest-posts .badge {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.65rem;
}

/* About Section */
.about-section {
  background: linear-gradient(135deg, var(--dark-bg-tertiary) 0%, var(--dark-bg-secondary) 100%);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

/* Skills Section */
.skills-section {
  background: transparent;
  padding: 3rem 0;
}

.skills-section .badge {
  background-color: var(--card-bg) !important;
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  font-weight: 500;
  transition: var(--transition);
}

.skills-section .badge:hover {
  border-color: var(--border-accent);
  background-color: rgba(142, 173, 207, 0.1) !important;
  transform: translateY(-2px);
}

/* ============================================
   Bootstrap 5 Dark Theme Overrides
   ============================================ */

/* Badge Overrides */
.badge {
  font-weight: 600;
}

.badge.bg-secondary {
  background-color: rgba(176, 176, 176, 0.2) !important;
  color: var(--text-secondary);
}

/* Display Typography */
.display-3,
.display-4,
.display-5,
.display-6 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Lead Text */
.lead {
  font-size: var(--font-size-h5);
  font-weight: 400;
  line-height: var(--line-height-base);
}

/* Text Colors */
.text-secondary {
  color: var(--text-secondary) !important;
}

/* Section Spacing */
section {
  position: relative;
}

section + section {
  margin-top: 0;
}

/* Smooth Scroll Behavior */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* Account for fixed header */
}

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

@media (max-width: 768px) {
  .hero-section {
    padding: 3rem 0 2rem 0;
  }

  .btn-lg {
    padding: 0.75rem 1.5rem;
  }

  .latest-posts .card {
    margin-bottom: 1rem;
  }

  section {
    padding: 2rem 0 !important;
  }
}

/* ============================================
   HTMX Integration Styles
   ============================================ */

/* HTMX Loading Indicators */
.htmx-indicator {
    display: none;
}

.htmx-request .htmx-indicator {
    display: inline-block;
}

.htmx-request.htmx-indicator {
    display: inline-block;
}

/* HTMX Transitions and Animations */
.htmx-swapping {
    opacity: 0;
    transition: opacity 200ms ease-out;
}

.htmx-settling {
    opacity: 1;
    transition: opacity 200ms ease-in;
}

.htmx-added {
    opacity: 0;
    animation: fadeIn 300ms ease-in forwards;
}

@keyframes fadeIn {
    to {
        opacity: 1;
    }
}

/* Loading Spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Search Box Styles */
.search-box {
    position: relative;
    margin-bottom: 2rem;
}

.search-box input {
    padding-right: 3rem;
}

.search-box .htmx-indicator {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
}

/* Blog Card Transitions */
.blog-card-container {
    transition: transform 200ms ease, opacity 200ms ease;
}

.blog-card-container.htmx-swapping {
    transform: scale(0.98);
}

/* Contact Form Styles */
#form-message {
    margin-top: 1rem;
    min-height: 50px;
}

#form-message .alert {
    animation: slideDown 300ms ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Loading State for Forms */
form.htmx-request button[type="submit"] {
    opacity: 0.7;
    pointer-events: none;
}

/* Infinite Scroll Loading Trigger */
.load-more-trigger {
    padding: 2rem 0;
    text-align: center;
    min-height: 100px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-secondary);
}

.empty-state svg {
    opacity: 0.5;
    margin-bottom: 1rem;
}

/* Accessibility - Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .htmx-swapping,
    .htmx-settling,
    .htmx-added {
        animation: none !important;
        transition: none !important;
    }
}

/* ============================================
   Outline Button Style - Global Application
   ============================================ */

/* High specificity to override Bootstrap and default link styles */
a.btn-outline,
button.btn-outline,
.btn.btn-outline {
  display: inline-block !important;
  height: 3rem !important;
  padding: 0.75rem 2rem !important;
  line-height: 1.5rem !important;
  border: 2px solid #8EADCF !important; /* Match .btn border width for alignment */
  background-color: transparent !important;
  color: #8EADCF !important; /* Accent blue text - CRITICAL for visibility */
  font-weight: 400 !important;
  font-size: 0.875rem !important;
  letter-spacing: 0.05em !important;
  text-transform: uppercase !important;
  text-decoration: none !important;
  text-align: center !important;
  position: relative !important;
  z-index: 10 !important;
  cursor: pointer !important;
  overflow: hidden !important;
  white-space: nowrap !important;
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1) !important;
}

a.btn-outline::after,
button.btn-outline::after,
.btn.btn-outline::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: -1;
  height: 0;
  width: 100%;
  background-color: rgba(0, 0, 0, 0.1);
  transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
}

a.btn-outline:hover,
button.btn-outline:hover,
.btn.btn-outline:hover {
  transform: translateY(-2px) !important;
  background-color: transparent !important;
  color: #8EADCF !important; /* Maintain accent blue on hover */
  border-color: #8EADCF !important;
  filter: brightness(1.2) !important;
  box-shadow: 0 4px 8px rgba(142, 173, 207, 0.3) !important;
  text-decoration: none !important;
}

a.btn-outline:hover::after,
button.btn-outline:hover::after,
.btn.btn-outline:hover::after {
  height: 100%;
}

/* Ensure visited links maintain color */
a.btn-outline:visited {
  color: #8EADCF !important;
}

a.btn-outline:focus,
a.btn-outline:active {
  color: #8EADCF !important;
}