:root {
  --primary-color: #0b9361;
  --secondary-color: #111827;
  --bg-color: #0f172a;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --link-color: #6ee7b7;
  --link-hover-color: #ffffff;
  --glass-bg: rgba(30, 41, 59, 0.6);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 4px 30px rgba(0, 0, 0, 0.2);
  --font-family: "Outfit", sans-serif;
  --transition-speed: 0.4s;
  --currently-viewing-color: #34d399;
  --nav-btn-bg: rgba(30, 41, 59, 0.8);
  --nav-btn-hover-bg: #14b8a6;
  --nav-btn-active-bg: #2dd4bf;
  --nav-btn-active-text: #0f172a;
  --grid-item-hover: rgba(255, 255, 255, 0.05);
  --current-item-bg: rgba(11, 147, 97, 0.15);
  --current-item-border: rgba(11, 147, 97, 0.3);
  --hero-gradient: linear-gradient(to right, #6ee7b7, #3b82f6);
}

@media (prefers-color-scheme: light) {
  :root {
    --primary-color: #059669;
    --secondary-color: #f1f5f9;
    --bg-color: #f8fafc;
    --text-main: #0f172a;
    --text-muted: #475569;
    --link-color: #059669;
    --link-hover-color: #0f172a;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(0, 0, 0, 0.1);
    --glass-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --currently-viewing-color: #059669;
    --nav-btn-bg: rgba(255, 255, 255, 0.9);
    --nav-btn-hover-bg: #059669;
    --nav-btn-active-bg: #10b981;
    --nav-btn-active-text: #ffffff;
    --grid-item-hover: rgba(0, 0, 0, 0.05);
    --current-item-bg: rgba(16, 185, 129, 0.1);
    --current-item-border: rgba(16, 185, 129, 0.3);
    --hero-gradient: linear-gradient(to right, #059669, #2563eb);
  }
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  position: relative;
}

[v-cloak] {
  display: none;
}

/* Background Gradients & Shapes for Aesthetics */
.bg-shape {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  z-index: -1;
  opacity: 0.5;
}

.shape-1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #0b9361a8, transparent 70%);
  top: -100px;
  left: -100px;
}

.shape-2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, #3b82f6a8, transparent 70%);
  bottom: -200px;
  right: -100px;
}

.shape-3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #8b5cf6a8, transparent 70%);
  top: 40%;
  left: 30%;
}

.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
}

/* --- Hero Section --- */
.hero {
  text-align: center;
  margin-bottom: 4rem;
  margin-top: 2rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 1rem;
  background: var(--hero-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto;
}

/* --- Glassmorphism Utilities --- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: 20px;
}

/* --- Apps Grid --- */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  padding-bottom: 4rem;
}

.app-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition:
    transform var(--transition-speed) ease,
    box-shadow var(--transition-speed) ease;
  cursor: pointer;
  position: relative;
}

.app-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 40px rgba(11, 147, 97, 0.2);
  border-color: rgba(255, 255, 255, 0.2);
}

.card-header {
  display: flex;
  align-items: center;
  padding: 1.5rem 1.5rem 0 1.5rem;
  gap: 1rem;
}

.app-logo-container {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 8px;
  transition: transform 0.6s ease;
}

.app-logo-small {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.app-card:hover .app-logo-container {
  transform: scale(1.05);
}

.card-header h2 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-main);
  margin: 0;
}

.card-content {
  padding: 1rem 1.5rem 1.5rem 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-content p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
}

.lab-link {
  color: var(--link-color);
  text-decoration: none;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 0.3s;
}

.lab-link:hover {
  color: var(--link-hover-color);
}

.btn-primary {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-family: var(--font-family);
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition:
    background 0.3s ease,
    transform 0.3s ease;
}

.btn-primary:hover {
  background: #0ea872;
  transform: translateX(4px);
}

/* --- Active App View --- */
.active-app-view {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  z-index: 40;
  background: var(--bg-color);
}

.app-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 100;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  color: var(--text-main);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  box-shadow: var(--glass-shadow);
  transition:
    transform 0.2s,
    background 0.2s;
}

.app-close-btn:hover {
  transform: scale(1.1);
  background: rgba(239, 68, 68, 0.8);
  color: white;
}

.app-wrapper {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.app-iframe {
  width: 100%;
  height: 100%;
  border: none;
  background: #fff; /* Most nested apps expect a white background if they are external */
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Fallback for blocked iframes during demo */
.iframe-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: var(--bg-color);
  z-index: -1; /* Will show if iframe fails or is transparent */
  text-align: center;
  padding: 2rem;
}

.demo-icon {
  font-size: 5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.iframe-fallback h3 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.iframe-fallback p {
  color: var(--text-muted);
  font-size: 1.2rem;
  max-width: 500px;
  margin-bottom: 2rem;
}

.external-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: #3b82f6;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
}

.external-link:hover {
  text-decoration: underline;
}

/* --- Navigation Toggle Button --- */
.nav-toggle-btn {
  position: fixed;
  top: 1.5rem;
  right: 5.5rem; /* Next to the close button */
  width: 44px;
  height: 44px;
  border-radius: 50%;
  z-index: 100;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  color: var(--text-main);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  background: var(--nav-btn-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--glass-shadow);
  transition:
    transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275),
    background 0.3s,
    color 0.3s,
    opacity 0.3s;
}

.nav-toggle-btn.is-active {
  background: var(--nav-btn-active-bg);
  color: var(--nav-btn-active-text);
  border-color: var(--nav-btn-active-bg);
}

/* Adding active state scale effect and hovering for close button */
.nav-toggle-btn:hover {
  transform: scale(1.1);
  background: var(--nav-btn-hover-bg);
  color: #fff;
}

.nav-toggle-btn.is-active:hover {
  background: var(--nav-btn-hover-bg);
  transform: scale(1.1) rotate(180deg);
}

/* --- App Switcher Overlay --- */
.app-switcher-overlay {
  position: fixed;
  top: 5rem;
  right: 1.5rem;
  width: 350px;
  max-height: calc(100vh - 9rem);
  max-height: calc(100dvh - 9rem);
  background: var(--glass-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  overflow: hidden;
}

.glass-heavy {
  background: var(--glass-bg);
}

.overlay-header {
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--glass-border);
}

.overlay-header h2 {
  font-size: 1.2rem;
  font-weight: 600;
}

.overlay-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  transition: color 0.2s;
}

.overlay-close:hover {
  color: var(--text-main);
}

.switcher-list {
  padding: 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.switcher-list::-webkit-scrollbar {
  width: 6px;
}
.switcher-list::-webkit-scrollbar-track {
  background: transparent;
}
.switcher-list::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: 10px;
}

.switcher-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border-radius: 16px;
  cursor: pointer;
  transition: background 0.2s ease;
}

.switcher-item:hover {
  background: var(--grid-item-hover);
}

.switcher-item.is-current {
  background: var(--current-item-bg);
  border: 1px solid var(--current-item-border);
}

.switcher-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  object-fit: cover;
  flex-shrink: 0;
}

.home-icon {
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  color: #fff;
}

.switcher-info h3 {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.2rem;
}

.switcher-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.status-current {
  color: var(--currently-viewing-color) !important;
  font-weight: 500;
}

/* --- Vue Animations --- */
.fade-enter-active,
.fade-leave-active {
  transition:
    opacity var(--transition-speed) ease,
    transform var(--transition-speed) ease;
}
.fade-enter-from,
.fade-leave-to {
  opacity: 0;
  transform: scale(0.98);
}

.slide-up-enter-active,
.slide-up-leave-active {
  transition:
    transform 0.6s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.6s ease;
}
.slide-up-enter-from {
  transform: translateY(100vh);
  opacity: 0;
}
.slide-up-leave-to {
  transform: translateY(100vh);
  opacity: 0;
}

.slide-left-enter-active,
.slide-left-leave-active,
.slide-right-enter-active,
.slide-right-leave-active {
  transition:
    transform 0.6s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.6s ease;
}

.slide-left-enter-from {
  transform: translateX(100vw);
  opacity: 0;
}
.slide-left-leave-to {
  transform: translateX(-100vw);
  opacity: 0;
}

.slide-right-enter-from {
  transform: translateX(-100vw);
  opacity: 0;
}
.slide-right-leave-to {
  transform: translateX(100vw);
  opacity: 0;
}

.scale-in-enter-active,
.scale-in-leave-active {
  transition:
    opacity 0.4s ease,
    transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.scale-in-enter-from,
.scale-in-leave-to {
  opacity: 0;
  transform: scale(0.5);
}

.overlay-fade-enter-active,
.overlay-fade-leave-active {
  transition:
    opacity 0.3s ease,
    transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.overlay-fade-enter-from,
.overlay-fade-leave-to {
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
}

/* --- Responsive Adjustments --- */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  .apps-grid {
    grid-template-columns: 1fr;
  }
  .nav-toggle-btn {
    top: 1rem;
    right: 4.5rem;
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
  .app-close-btn {
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
  .app-switcher-overlay {
    top: 4.5rem;
    right: 1rem;
    left: 1rem;
    width: auto;
  }
}

/* --- Footer --- */
.site-footer {
  text-align: center;
  padding: 2rem;
  margin-top: 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--glass-border);
}

.site-footer p {
  margin-bottom: 0.5rem;
}

.site-footer p:last-child {
  margin-bottom: 0;
}