/* ============================================
   Main Styles for Benny Istanto's Website
   Minimal, Elegant, Light/Dark Theme Compatible
   ============================================ */

/* Import Bootstrap Icons */
@import url('https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css');

/* ============================================
   Typography & Base Styles
   ============================================ */

:root {
  --transition-speed: 0.3s;
  --border-radius: 0.5rem;
  --spacing-unit: 1rem;
}

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

/* ============================================
   Navbar Customization
   ============================================ */

.navbar {
  transition: background-color var(--transition-speed) ease;
  padding: 0.75rem 2rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  min-height: 100px;
}

.navbar-brand {
  margin-right: 2rem;
  height: auto !important;
}

.navbar-brand img {
  height: 60px !important;
  max-height: none !important;
  width: auto !important;
  transition: transform var(--transition-speed) ease;
}

/* Navbar logo sizing + theme-based swap (CSS-only) */
.navbar-brand img.navbar-logo {
  height: 60px !important;
  width: auto !important;
  max-height: none !important;
  object-fit: contain;
  transition: transform 0.2s ease;

  /* default (light) */
  content: url("../assets/image-logo/bi-logo-full-light.png");
}

/* dark mode: Quarto may set theme on <html> OR <body>, depending on version */
html[data-bs-theme="dark"] .navbar-brand img.navbar-logo,
body[data-bs-theme="dark"] .navbar-brand img.navbar-logo,
body.quarto-dark .navbar-brand img.navbar-logo {
  content: url("../assets/image-logo/bi-logo-full-dark.png");
}

.navbar-brand:hover img.navbar-logo {
  transform: scale(1.05);
}

.navbar-nav .nav-link {
  margin: 0 0.5rem;
  transition: all var(--transition-speed) ease;
  font-weight: 500;
}

.navbar-nav .nav-link:hover {
  transform: translateY(-2px);
}

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

.page-footer {
  padding: 3rem 4rem;
  margin-top: 4rem;
  border-top: 1px solid var(--bs-border-color);
  background: var(--bs-body-bg);
}

.page-footer .container,
.page-footer .container-fluid {
  max-width: 100%;
  padding-left: 0;
  padding-right: 0;
}

.page-footer p {
  margin: 0.5rem 0;
  font-size: 0.95rem;
}

.page-footer .bi-tree {
  font-size: 1.5rem;
  color: var(--bs-success);
}

/* Footer column widths - targeting Quarto's actual structure */
.nav-footer {
  display: grid;
  grid-template-columns: minmax(250px, 500px) 1fr auto;
  gap: 2rem;
  align-items: start;
}

/* Left column */
.nav-footer-left {
  max-width: 500px;
}

/* Center column */
.nav-footer-center {
  text-align: center;
}

/* Right column */
.nav-footer-right {
  text-align: right;
}

/* Footer links - remove external link icons */
.nav-footer-right a {
  text-decoration: none;
  color: var(--bs-body-color);
  transition: color 0.3s ease, transform 0.3s ease;
  display: inline-block;
  margin: 0 0.5rem;
}

.nav-footer-right a:hover {
  color: var(--bs-primary);
  transform: translateY(-2px);
}

/* Hide external link icon in footer */
.nav-footer-right a .external-icon,
.nav-footer-right a::after {
  display: none !important;
}

.nav-footer-right .bi {
  font-size: 1.5rem;
}

/* Footer copyright at top of left column */
.nav-footer-left p:first-child {
  font-weight: 600;
  margin-bottom: 1rem;
}

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

@media (max-width: 768px) {
  .navbar {
    padding: 0.75rem 1rem;
  }

  .hero-section {
    margin-top: -52px;
    padding-top: 52px;
  }

  .hero-image {
    min-height: 60vh;
  }

  .spotlight-box {
    padding: 2rem 1.5rem;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .spotlight-box h2 {
    font-size: 2rem;
    white-space: normal;
  }

  .spotlight-box p {
    font-size: 1rem;
  }

  .page-footer {
    text-align: center;
  }

  .page-footer div[class*="col"] {
    margin: 0.5rem 0;
  }
}

@media (max-width: 480px) {
  .spotlight-box {
    padding: 1.5rem 1rem;
  }

  .spotlight-box h2 {
    font-size: 1.75rem;
  }
}

/* ============================================
   Smooth Scrolling & Animations
   ============================================ */

html {
  scroll-behavior: smooth;
}

.fade-in {
  animation: fadeIn 0.6s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   Utility Classes
   ============================================ */

.container-custom {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.text-balance {
  text-wrap: balance;
}

/* ============================================
   Code Blocks & Syntax Highlighting
   ============================================ */

pre {
  border-radius: var(--border-radius);
  padding: 1rem;
  overflow-x: auto;
}

code {
  padding: 0.2rem 0.4rem;
  border-radius: 0.25rem;
  font-size: 0.9em;
}

/* ============================================
   Links & Buttons
   ============================================ */

a {
  transition: all var(--transition-speed) ease;
}

.btn {
  transition: all var(--transition-speed) ease;
  border-radius: var(--border-radius);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* ============================================
   Images & Media
   ============================================ */

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

figure {
  margin: 2rem 0;
}

figcaption {
  font-size: 0.9rem;
  font-style: italic;
  opacity: 0.8;
  margin-top: 0.5rem;
  text-align: center;
}

/* ============================================
   Page Layout - Wider Content for Article Layout
   ============================================ */

/* Increase max-width ONLY for article layout pages (not custom or full) */
.quarto-container.page-layout-article {
  max-width: 1200px !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

/* Ensure main content area uses available space ONLY for article layout */
.page-layout-article main.content {
  max-width: 100%;
  width: 100%;
  padding-left: 2rem;
  padding-right: 2rem;
}

/* Override default Quarto content width for article pages */
.page-layout-article .page-columns {
  max-width: 100% !important;
  width: 100% !important;
}

/* Responsive adjustments */
@media (max-width: 1400px) {
  .quarto-container.page-layout-article {
    max-width: 1000px !important;
    margin-left: auto !important;
    margin-right: auto !important;
  }
}

@media (max-width: 992px) {
  .quarto-container.page-layout-article {
    max-width: 100%;
    margin-left: auto !important;
    margin-right: auto !important;
  }

  .page-layout-article main.content {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

/* ============================================
   Image Gallery for Blog Posts
   ============================================ */

/* Gallery container */
.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
  padding: 0;
}

/* Gallery items */
.image-gallery .gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 0.5rem;
  aspect-ratio: 1;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.image-gallery .gallery-item:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.image-gallery .gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.image-gallery .gallery-item:hover img {
  transform: scale(1.05);
}

/* Lightbox overlay */
.lightbox-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  z-index: 9999;
  justify-content: center;
  align-items: center;
  cursor: zoom-out;
}

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

.lightbox-overlay img {
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
  box-shadow: 0 0 30px rgba(255,255,255,0.3);
}

/* Close button */
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 40px;
  color: white;
  cursor: pointer;
  z-index: 10000;
  background: transparent;
  border: none;
  padding: 0;
  line-height: 1;
  opacity: 0.8;
  transition: opacity 0.3s;
}

.lightbox-close:hover {
  opacity: 1;
}

/* Navigation arrows */
.lightbox-prev,
.lightbox-next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 50px;
  color: white;
  cursor: pointer;
  background: transparent;
  border: none;
  padding: 20px;
  opacity: 0.6;
  transition: opacity 0.3s;
  z-index: 10000;
}

.lightbox-prev:hover,
.lightbox-next:hover {
  opacity: 1;
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .image-gallery {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.5rem;
  }

  .lightbox-prev,
  .lightbox-next {
    font-size: 30px;
    padding: 10px;
  }

  .lightbox-close {
    font-size: 30px;
    top: 10px;
    right: 15px;
  }
}
