/* =========================================================================
   DESIGN SYSTEM & CSS THEMES
   ========================================================================= */

/* Theme Variables Definition */
:root {
  /* Default Catppuccin Mocha Theme (Warm Pastel Dark) */
  --bg-app: #1e1e2e;
  --bg-card: rgba(30, 30, 46, 0.6);
  --bg-card-hover: rgba(49, 50, 68, 0.7);
  --border-color: rgba(180, 190, 254, 0.15);
  --border-hover: rgba(180, 190, 254, 0.4);
  --text-main: #cdd6f4;
  --text-muted: #a6adc8;
  --text-active: #cba6f7;
  --accent-color: #b4befe;
  --accent-gradient: linear-gradient(135deg, #cba6f7 0%, #b4befe 100%);
  --blob-1: rgba(203, 166, 247, 0.15);
  --blob-2: rgba(180, 190, 254, 0.15);
  --glass-blur: 16px;
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.15);
  --shadow-accent: 0 0 20px rgba(180, 190, 254, 0.2);
  --font-heading: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-lg: 16px;
  --radius-md: 12px;
}

/* Nord Theme (Scandinavian Frost Dark) */
.theme-nord {
  --bg-app: #2e3440;
  --bg-card: rgba(46, 52, 64, 0.6);
  --bg-card-hover: rgba(59, 66, 82, 0.75);
  --border-color: rgba(136, 192, 208, 0.15);
  --border-hover: rgba(136, 192, 208, 0.45);
  --text-main: #d8dee9;
  --text-muted: #e5e9f0;
  --text-active: #88c0d0;
  --accent-color: #88c0d0;
  --accent-gradient: linear-gradient(135deg, #81a1c1 0%, #88c0d0 100%);
  --blob-1: rgba(129, 161, 193, 0.12);
  --blob-2: rgba(136, 192, 208, 0.12);
  --shadow-accent: 0 0 20px rgba(136, 192, 208, 0.25);
}

/* Forest Theme (Botanical Organic Dark) */
.theme-forest {
  --bg-app: #121614;
  --bg-card: rgba(26, 32, 29, 0.6);
  --bg-card-hover: rgba(38, 46, 42, 0.75);
  --border-color: rgba(163, 190, 140, 0.15);
  --border-hover: rgba(163, 190, 140, 0.45);
  --text-main: #e5e9f0;
  --text-muted: #a3be8c;
  --text-active: #a3be8c;
  --accent-color: #a3be8c;
  --accent-gradient: linear-gradient(135deg, #8fbcbb 0%, #a3be8c 100%);
  --blob-1: rgba(143, 188, 187, 0.12);
  --blob-2: rgba(163, 190, 140, 0.12);
  --shadow-accent: 0 0 20px rgba(163, 190, 140, 0.2);
}

/* Deep Slate Theme (Modern Tech Dark) */
.theme-dark {
  --bg-app: #080c14;
  --bg-card: rgba(15, 23, 42, 0.5);
  --bg-card-hover: rgba(30, 41, 59, 0.7);
  --border-color: rgba(59, 130, 246, 0.12);
  --border-hover: rgba(59, 130, 246, 0.4);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-active: #3b82f6;
  --accent-color: #3b82f6;
  --accent-gradient: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
  --blob-1: rgba(59, 130, 246, 0.12);
  --blob-2: rgba(96, 165, 250, 0.08);
  --shadow-accent: 0 0 20px rgba(59, 130, 246, 0.25);
}

/* Light Glass Theme (Elegant Frosted Light) */
.theme-light {
  --bg-app: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.45);
  --bg-card-hover: rgba(255, 255, 255, 0.75);
  --border-color: rgba(99, 102, 241, 0.12);
  --border-hover: rgba(99, 102, 241, 0.4);
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-active: #6366f1;
  --accent-color: #6366f1;
  --accent-gradient: linear-gradient(135deg, #4f46e5 0%, #6366f1 100%);
  --blob-1: rgba(99, 102, 241, 0.1);
  --blob-2: rgba(168, 85, 247, 0.08);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.05), 0 4px 6px -2px rgba(15, 23, 42, 0.05);
  --shadow-accent: 0 0 20px rgba(99, 102, 241, 0.15);
}

/* =========================================================================
   BASE STYLES & RESET
   ========================================================================= */

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

body {
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-body);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.5;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* Custom modern scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-app);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-md);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-hover);
}

/* Standard scrollbar-color configuration for newer browsers */
@supports (scrollbar-color: auto) {
  * {
    scrollbar-color: var(--border-color) var(--bg-app);
    scrollbar-width: thin;
  }
}

/* =========================================================================
   AMBIENT BACKGROUND ANIMATIONS
   ========================================================================= */

.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(100px);
  z-index: -1;
  pointer-events: none;
  animation: pulse-glow 10s infinite alternate ease-in-out;
  transition: background-color 0.8s ease;
}

.bg-blob-1 {
  width: 400px;
  height: 400px;
  top: -100px;
  right: -50px;
  background-color: var(--blob-1);
}

.bg-blob-2 {
  width: 350px;
  height: 350px;
  bottom: -100px;
  left: -50px;
  background-color: var(--blob-2);
  animation-delay: -5s;
}

@keyframes pulse-glow {
  0% {
    transform: translate(0, 0) scale(1);
  }
  100% {
    transform: translate(40px, 40px) scale(1.15);
  }
}

/* =========================================================================
   HEADER SECTION
   ========================================================================= */

.app-header {
  padding: 3rem 2rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2rem;
  transition: border-color 0.4s ease;
}

#dashboard-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.25rem;
}

.subtitle {
  color: var(--text-muted);
  font-size: 1.05rem;
  font-weight: 400;
}

/* Clock Widget styling */
.clock-widget {
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-color);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  text-align: right;
  box-shadow: var(--shadow-sm);
  transition: all 0.4s ease;
}

.clock-widget:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-accent);
}

.clock-time {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-active);
}

.clock-date {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* =========================================================================
   CONTROLS PANEL (SEARCH & THEMES)
   ========================================================================= */

.app-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 2rem 4rem;
}

.control-panel {
  display: flex;
  gap: 1rem;
  margin-bottom: 2.5rem;
  align-items: center;
  flex-wrap: wrap;
}

/* Hybrid Search bar */
.search-container {
  position: relative;
  flex: 1;
  min-width: 280px;
}

.search-icon {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
  width: 18px;
  height: 18px;
  transition: color 0.3s ease;
}

#search-input {
  width: 100%;
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-color);
  padding: 0.9rem 1rem 0.9rem 3rem;
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  outline: none;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

#search-input::placeholder {
  color: var(--text-muted);
  opacity: 0.65;
}

#search-input:focus {
  border-color: var(--text-active);
  box-shadow: var(--shadow-accent);
  background: var(--bg-card-hover);
}

.search-clear-btn {
  position: absolute;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.search-clear-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.1);
}

.search-clear-btn svg {
  width: 16px;
  height: 16px;
}

/* Theme Selector dropdown */
.theme-selector-container {
  position: relative;
}

.theme-menu-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-color);
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.theme-menu-btn:hover,
.theme-menu-btn.active {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow: var(--shadow-accent);
}

.theme-menu-btn svg {
  width: 18px;
  height: 18px;
  color: var(--text-active);
}

.theme-dropdown {
  position: absolute;
  right: 0;
  top: calc(100% + 0.5rem);
  background: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.5rem;
  min-width: 180px;
  box-shadow: var(--shadow-lg);
  display: none;
  z-index: 100;
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  transform: translateY(-10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.theme-dropdown.show {
  display: block;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.theme-opt {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.theme-opt:hover {
  background: var(--bg-card-hover);
  color: var(--text-active);
  padding-left: 1.25rem;
}

/* Web Search Feedback badge */
.search-feedback {
  background: rgba(180, 190, 254, 0.08);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1.25rem;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  width: fit-content;
  margin-top: -1.5rem;
  margin-bottom: 2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: fadeIn 0.3s ease forwards;
}

.search-feedback kbd {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid var(--border-color);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-size: 0.75rem;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =========================================================================
   SECTIONS & DYNAMIC CARDS GRID
   ========================================================================= */

.dashboard-grid {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.dashboard-section {
  animation: slideIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.section-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: capitalize;
}

.section-name::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
  transition: background-color 0.4s ease;
}

/* App cards container */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

/* Glassmorphic App Card */
.app-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-color);
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.app-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity 0.3s ease;
}

/* Card Hover Micro-animations */
.app-card:hover {
  transform: translateY(-4px) scale(1.015);
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-lg), var(--shadow-accent);
}

.app-card:hover::before {
  opacity: 1;
}

.card-details {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex: 1;
  min-width: 0;
}

/* Flexible Icon system styles */
.card-icon-container {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background: rgba(180, 190, 254, 0.08);
  border: 1px solid var(--border-color);
  font-size: 1.4rem;
  transition: all 0.3s ease;
  overflow: hidden;
}

.app-card:hover .card-icon-container {
  background: rgba(180, 190, 254, 0.15);
  border-color: var(--border-hover);
  transform: scale(1.05);
}

.card-icon-container svg {
  width: 22px;
  height: 22px;
  color: var(--text-active);
  transition: transform 0.3s ease;
}

.card-icon-container img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 6px;
}

.card-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.app-name {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 0.1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-url {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Arrow micro-animation on card */
.card-arrow {
  color: var(--text-muted);
  opacity: 0;
  transform: translateX(-10px);
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.app-card:hover .card-arrow {
  opacity: 1;
  transform: translateX(0);
  color: var(--text-active);
}

/* =========================================================================
   LOADING SKELETON PLACEHOLDERS
   ========================================================================= */

.skeleton-section {
  width: 100%;
}

.skeleton-title {
  width: 150px;
  height: 24px;
  background: var(--border-color);
  border-radius: 4px;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
}

.skeleton-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.skeleton-card {
  height: 74px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.skeleton-title::after,
.skeleton-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  transform: translateX(-100%);
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.05) 20%,
    rgba(255, 255, 255, 0.1) 60%,
    rgba(255, 255, 255, 0) 100%
  );
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

/* =========================================================================
   ERROR STATE CONTAINER
   ========================================================================= */

.error-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
  background: var(--bg-card);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  max-width: 600px;
  margin: 2rem auto;
  box-shadow: var(--shadow-lg);
}

.error-icon {
  width: 48px;
  height: 48px;
  color: #ef4444;
  margin-bottom: 1.5rem;
}

.error-container h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.error-container p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  max-width: 400px;
}

.retry-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-gradient);
  border: none;
  color: #1e1e2e;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 10px rgba(180, 190, 254, 0.3);
  transition: all 0.3s ease;
}

.retry-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(180, 190, 254, 0.45);
}

.retry-btn svg {
  width: 16px;
  height: 16px;
}

/* =========================================================================
   FOOTER SECTION
   ========================================================================= */

.app-footer {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: border-color 0.4s ease;
}

.footer-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.credits {
  font-size: 0.8rem;
  opacity: 0.7;
}

/* =========================================================================
   RESPONSIVE DESIGN ADAPTATIONS
   ========================================================================= */

@media (max-width: 768px) {
  .app-header {
    padding: 2rem 1.5rem 1rem;
  }
  
  .header-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding-bottom: 1.5rem;
  }
  
  .clock-widget {
    text-align: left;
    width: 100%;
  }

  .app-main {
    padding: 1rem 1.5rem 3rem;
  }

  .control-panel {
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
  }

  .theme-selector-container {
    width: 100%;
  }

  .theme-menu-btn {
    width: 100%;
    justify-content: center;
  }

  .theme-dropdown {
    width: 100%;
    left: 0;
    right: 0;
  }

  #dashboard-title {
    font-size: 2rem;
  }
  
  .apps-grid {
    grid-template-columns: 1fr;
  }
}