/**
 * Home Page Styles
 *
 * Neo-brutalist three-panel layout with shelf and carousel.
 * Desktop: Left content panel, right shelf/controls
 * Mobile: Stacked layout with hamburger menu
 */

/* ==========================================================================
   BASE LAYOUT
   ========================================================================== */

body.home-page {
  min-height: 100vh;
  overflow-x: hidden;
}

/* Desktop shows desktop-layout, hides mobile-layout */
.desktop-layout {
  display: flex;
  min-height: 100vh;
}

.mobile-layout {
  display: none;
}

/* ==========================================================================
   DESKTOP: CONTENT PANEL (LEFT)
   ========================================================================== */

.content-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.content-inner {
  display: flex;
  height: 100vh;
  padding: var(--space-xl);
}

/* Hero Section */
.hero-section {
  flex-shrink: 0;
  width: 280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-right: var(--space-xl);
  position: relative;
  z-index: 2;
}

/* Background gradient for hero */
.hero-section::before {
  content: '';
  position: absolute;
  top: -100vh;
  left: -100vw;
  right: 0;
  bottom: -100vh;
  background: linear-gradient(
    to right,
    var(--color-bg) 0%,
    var(--color-bg) 60%,
    transparent 100%
  );
  z-index: -1;
}

/* Hero Name Typography */
.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin: 0;
  color: var(--color-text);
}

.name-line {
  display: block;
}

/* Navigation Links */
.hero-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  margin-top: var(--space-lg);
}

.hero-nav .nav-link {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.hero-nav .nav-link:hover {
  color: var(--color-primary);
}

/* Social Links */
.social-links {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.social-links a {
  color: var(--color-text);
  opacity: 0.6;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.social-links a:hover {
  opacity: 1;
  color: var(--color-primary);
}

.social-links svg {
  width: 20px;
  height: 20px;
}

/* ==========================================================================
   DESKTOP: PROJECT DISPLAY
   ========================================================================== */

.project-display {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
}

.project-frame {
  position: relative;
  width: 100%;
  max-width: 600px;
  aspect-ratio: 16/10;
}

/* Guidelines - dotted accent lines */
.guideline {
  position: absolute;
  border-style: dashed;
  border-color: var(--color-accent);
  border-width: 0;
  opacity: 0.6;
}

.guideline-top {
  top: -20px;
  left: 50%;
  right: -100vw;
  border-top-width: 1px;
}

.guideline-bottom {
  bottom: -20px;
  left: 50%;
  right: -100vw;
  border-bottom-width: 1px;
}

.guideline-left {
  left: -20px;
  top: 50%;
  bottom: -100vh;
  border-left-width: 1px;
}

.guideline-right {
  right: -20px;
  top: 50%;
  bottom: -100vh;
  border-right-width: 1px;
}

/* Carousel */
.carousel {
  width: 100%;
  height: 100%;
  border: 1px solid var(--color-border);
  overflow: hidden;
  background: var(--color-bg-secondary);
}

.carousel-track {
  display: flex;
  height: 100%;
  transition: transform var(--transition-medium);
}

.carousel-slide {
  flex-shrink: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-medium);
}

.carousel-slide.active {
  opacity: 1;
}

.carousel-slide iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.slide-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

/* ==========================================================================
   DESKTOP: RIGHT PANEL
   ========================================================================== */

.right-panel {
  width: var(--panel-right-width);
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--color-accent);
}

/* Controls Panel */
.controls-panel {
  height: 120px;
  position: relative;
  background: var(--color-bg);
  cursor: pointer;
}

.theme-toggle-scene {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

/* Mountains SVG */
.mountains {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.mountain {
  fill: var(--color-accent);
  transition: fill var(--transition-medium);
}

/* Celestial Bodies */
.celestial-body {
  position: absolute;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  left: 50%;
  transform: translateX(-50%);
  transition: top var(--transition-slow), opacity var(--transition-medium);
}

.celestial-body.sun {
  background: #ff6b00;
  box-shadow: 0 0 30px rgba(255, 107, 0, 0.5);
  top: 15px;
  opacity: 1;
}

.celestial-body.moon {
  background: #0066ff;
  box-shadow: 0 0 20px rgba(0, 102, 255, 0.4);
  top: 120px;
  opacity: 0;
}

/* Dark mode: swap sun and moon */
[data-theme="dark"] .celestial-body.sun {
  top: 120px;
  opacity: 0;
}

[data-theme="dark"] .celestial-body.moon {
  top: 15px;
  opacity: 1;
}

/* Shelf Panel */
.shelf-panel {
  flex: 1;
  background: var(--color-accent);
  display: flex;
  flex-direction: column;
  padding: var(--space-md);
}

.shelf-items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  flex: 1;
}

.shelf-item {
  position: relative;
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.shelf-item:hover {
  transform: scale(1.02);
}

.shelf-item.active .shelf-item-icon {
  border-color: var(--color-bg);
  background: color-mix(in srgb, var(--color-bg) 20%, transparent);
}

/* Shelf Item Icon */
.shelf-item-icon {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-bg);
  background: transparent;
  position: relative;
}

/* Guidelines extending from icons */
.shelf-item-icon::before,
.shelf-item-icon::after {
  content: '';
  position: absolute;
  border-style: dashed;
  border-color: var(--color-bg);
  border-width: 0;
  opacity: 0.4;
}

.shelf-item-icon::before {
  top: 50%;
  left: -100%;
  right: 100%;
  width: 100%;
  border-top-width: 1px;
}

.shelf-item-icon::after {
  left: 50%;
  top: -100%;
  bottom: 100%;
  height: 100%;
  border-left-width: 1px;
}

.shelf-item-icon svg {
  width: 40%;
  height: 40%;
  color: var(--color-bg);
}

/* Shelf Item Legend */
.shelf-item-legend {
  position: absolute;
  top: -8px;
  left: 8px;
  background: var(--color-accent);
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-bg);
  white-space: nowrap;
  border: 1px solid var(--color-bg);
}

/* Shelf Description */
.shelf-description {
  margin-top: var(--space-md);
  padding: var(--space-sm);
  border: 1px solid var(--color-bg);
  min-height: 60px;
}

.description-text {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--color-bg);
  margin: 0;
  line-height: 1.4;
}

/* ==========================================================================
   MOBILE LAYOUT
   ========================================================================== */

@media (max-width: 900px) {
  .desktop-layout {
    display: none;
  }

  .mobile-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
  }

  /* Mobile Header */
  .mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    background: var(--color-bg);
    z-index: var(--z-sticky);
  }

  .mobile-logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-text);
  }

  /* Hamburger Button */
  .mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 8px;
    background: transparent;
    border: 1px solid var(--color-border);
    cursor: pointer;
  }

  .mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }

  .mobile-menu-btn.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu-btn.open span:nth-child(2) {
    opacity: 0;
  }

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

  /* Mobile Menu */
  .mobile-menu {
    display: none;
    flex-direction: column;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
  }

  .mobile-menu.open {
    display: flex;
  }

  .mobile-nav-link {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--color-text);
    text-decoration: none;
    padding: var(--space-sm) 0;
  }

  .mobile-nav-link:hover {
    color: var(--color-primary);
  }

  /* Mobile Theme Toggle */
  .mobile-theme-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) 0;
    cursor: pointer;
  }

  .theme-label {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--color-text-muted);
  }

  .mini-mountains {
    position: relative;
    width: 60px;
    height: 30px;
    overflow: hidden;
  }

  .mini-mountains svg {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 100%;
  }

  .mini-mountains polygon {
    fill: var(--color-border);
  }

  .mini-celestial {
    position: absolute;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    left: 50%;
    transform: translateX(-50%);
    transition: top var(--transition-medium), opacity var(--transition-medium);
  }

  .mini-celestial.sun {
    background: #ff6b00;
    top: 2px;
    opacity: 1;
  }

  .mini-celestial.moon {
    background: #0066ff;
    top: 30px;
    opacity: 0;
  }

  [data-theme="dark"] .mini-celestial.sun {
    top: 30px;
    opacity: 0;
  }

  [data-theme="dark"] .mini-celestial.moon {
    top: 2px;
    opacity: 1;
  }

  /* Mobile Content */
  .mobile-content {
    flex: 1;
    padding: var(--space-lg) var(--space-md);
  }

  .mobile-hero-name {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    line-height: 0.95;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-xl);
  }

  .mobile-hero-name span {
    display: block;
  }

  /* Mobile Projects */
  .mobile-projects {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--color-border);
    border: 1px solid var(--color-border);
    margin-bottom: var(--space-xl);
  }

  .mobile-project-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg);
  }

  .mobile-project-card .project-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    flex-shrink: 0;
  }

  .mobile-project-card .project-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-text);
  }

  .mobile-project-card .project-info {
    flex: 1;
    min-width: 0;
  }

  .mobile-project-card .project-info h3 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
  }

  .mobile-project-card .project-info p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.4;
  }

  .mobile-project-card .open-link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-border);
    color: var(--color-text);
    flex-shrink: 0;
    transition: background var(--transition-fast), color var(--transition-fast);
  }

  .mobile-project-card .open-link:hover {
    background: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
  }

  .mobile-project-card .open-link svg {
    width: 18px;
    height: 18px;
  }

  /* Mobile Social */
  .mobile-social {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
  }

  .mobile-social a {
    color: var(--color-text);
    opacity: 0.6;
    transition: opacity var(--transition-fast);
  }

  .mobile-social a:hover {
    opacity: 1;
  }

  .mobile-social svg {
    width: 24px;
    height: 24px;
  }
}

/* ==========================================================================
   MEDIUM SCREENS
   ========================================================================== */

@media (min-width: 901px) and (max-width: 1200px) {
  .hero-name {
    font-size: 3.5rem;
  }

  .hero-section {
    width: 240px;
  }

  .right-panel {
    width: 280px;
  }

  .shelf-item-icon svg {
    width: 35%;
    height: 35%;
  }
}