/* ===== REDBOT V2.0 MODERN UI STYLESHEET ===== */
/* Professional, modern design system */

/* === FONT IMPORTS === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  /* === COLOR PALETTE === */
  
  /* Primary Colors */
  --color-primary-900: #0A0A0A;
  --color-primary-800: #151515;
  --color-primary-700: #1A1A1A;
  --color-primary-600: #2A2A2A;
  --color-primary-500: #3A3A3A;
  --color-primary-400: #4A4A4A;
  --color-primary-300: #676767;
  --color-primary-200: #8A8A8A;
  --color-primary-100: #BBBBBB;
  --color-primary-50: #FFFFFF;

  /* Surface Colors */
  --color-surface-primary: var(--color-primary-700);
  --color-surface-secondary: var(--color-primary-800);
  --color-surface-tertiary: var(--color-primary-900);
  --color-surface-elevated: var(--color-primary-600);
  --color-surface-interactive: var(--color-primary-500);
  --color-surface-hover: var(--color-primary-300);

  /* Text Colors */
  --color-text-primary: var(--color-primary-50);
  --color-text-secondary: var(--color-primary-100);
  --color-text-tertiary: var(--color-primary-200);
  --color-text-muted: #6C6B6B;

  /* Accent Colors */
  --color-accent-success: #4CAF50;
  --color-accent-success-hover: #45A049;
  --color-accent-success-active: #3E8E41;
  --color-accent-warning: #FF9800;
  --color-accent-warning-hover: #F57C00;
  --color-accent-error: #F44336;
  --color-accent-error-hover: #D32F2F;
  --color-accent-info: #2196F3;
  --color-accent-info-hover: #1976D2;

  /* Interactive States */
  --color-interactive-default: var(--color-surface-interactive);
  --color-interactive-hover: var(--color-surface-hover);
  --color-interactive-active: var(--color-primary-200);
  --color-interactive-focus: var(--color-accent-info);

  /* === GRADIENTS === */
  --gradient-primary: linear-gradient(135deg, var(--color-primary-700) 0%, var(--color-primary-800) 100%);
  --gradient-surface: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
  --gradient-interactive: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-400) 100%);
  --gradient-hover: linear-gradient(135deg, var(--color-primary-300) 0%, var(--color-primary-400) 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-accent-success) 0%, var(--color-accent-success-hover) 100%);

  /* === SHADOWS === */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 20px rgba(255, 255, 255, 0.1);
  --shadow-glow-accent: 0 0 20px rgba(76, 175, 80, 0.3);

  /* === GLASSMORPHISM === */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-backdrop: blur(10px);

  /* === SPACING SYSTEM === */
  --space-xs: 0.25rem;   /* 4px */
  --space-sm: 0.5rem;    /* 8px */
  --space-md: 1rem;      /* 16px */
  --space-lg: 1.5rem;    /* 24px */
  --space-xl: 2rem;      /* 32px */
  --space-2xl: 3rem;     /* 48px */
  --space-3xl: 4rem;     /* 64px */

  /* === BORDER RADIUS === */
  --radius-sm: 0.25rem;   /* 4px */
  --radius-md: 0.5rem;    /* 8px */
  --radius-lg: 0.75rem;   /* 12px */
  --radius-xl: 1rem;      /* 16px */
  --radius-2xl: 1.5rem;   /* 24px */
  --radius-full: 9999px;

  /* === TYPOGRAPHY === */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-family-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* Font Sizes */
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */

  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* === TRANSITIONS === */
  --transition-fast: 150ms ease-out;
  --transition-normal: 250ms ease-out;
  --transition-slow: 350ms ease-out;
  --transition-bounce: 250ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Easing Functions */
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* === COMPONENT SPECIFIC === */
  
  /* Sidebar */
  --sidebar-width: 70px;
  --sidebar-icon-size: 50px;
  --sidebar-icon-font-size: 20px;

  /* Buttons */
  --button-height-sm: 2rem;
  --button-height-md: 2.5rem;
  --button-height-lg: 3rem;
  --button-padding-x: var(--space-lg);
  --button-padding-y: var(--space-sm);

  /* Form Elements */
  --input-height: 2.5rem;
  --input-padding-x: var(--space-md);
  --input-border-width: 1px;

  /* Video Thumbnails */
  --thumbnail-size: 99px;
  --thumbnail-border-radius: var(--radius-lg);
}

/* === GLOBAL RESET === */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* === BASE TYPOGRAPHY === */
html {
  font-size: 16px;
  line-height: var(--line-height-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* === BODY & LAYOUT === */
body {
  background: var(--gradient-primary);
  display: flex;
  height: 100vh;
  margin: 0;
  font-family: var(--font-family-primary);
  color: var(--color-text-primary);
  overflow: hidden;
  
  /* Enhanced background */
  background-attachment: fixed;
  background-size: cover;
  
  /* Smooth scrolling */
  scroll-behavior: smooth;
}

/* === MODERN SIDEBAR COMPONENT === */
#NavSideBar {
  width: var(--sidebar-width);
  background: var(--gradient-surface);
  backdrop-filter: var(--glass-backdrop);
  border-right: 1px solid var(--glass-border);
  position: relative;
  z-index: 1030;
  
  /* Glassmorphism effect */
  background: linear-gradient(
    180deg,
    rgba(21, 21, 21, 0.95) 0%,
    rgba(26, 26, 26, 0.9) 50%,
    rgba(21, 21, 21, 0.95) 100%
  );
  
  /* Subtle inner glow */
  box-shadow: 
    inset 1px 0 0 rgba(255, 255, 255, 0.1),
    var(--shadow-lg);
  
  /* Smooth transitions */
  transition: all var(--transition-normal);
}

/* === NAVIGATION ICON BASE === */
.nav-icon {
  width: var(--sidebar-icon-size);
  height: var(--sidebar-icon-size);
  margin: var(--space-lg) var(--space-md) 0 var(--space-sm);
  
  /* Modern styling */
  background: var(--gradient-interactive);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  
  /* Layout */
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  cursor: pointer;
  
  /* Smooth transitions */
  transition: all var(--transition-normal) var(--ease-out);
  
  /* Initial state */
  transform: scale(1);
  box-shadow: var(--shadow-sm);
  
  /* Glassmorphism */
  backdrop-filter: blur(8px);
  
  /* Subtle animation */
  animation: subtle-pulse 4s ease-in-out infinite;
}

/* First icon spacing */
.nav-icon:first-child {
  margin-top: calc(var(--space-2xl) + var(--space-sm));
}

/* === ICON STYLING === */
.nav-icon i,
#redditIcon i {
  font-size: var(--sidebar-icon-font-size);
  color: var(--color-text-tertiary);
  opacity: 0.8;
  
  /* Smooth transitions */
  transition: all var(--transition-normal) var(--ease-out);
  
  /* Initial transform */
  transform: scale(1);
  
  /* Text shadow for depth */
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* === HOVER EFFECTS === */
.nav-icon:hover {
  /* Transform effects */
  transform: scale(1.1) translateX(2px);
  border-radius: var(--radius-lg);
  
  /* Background and border */
  background: var(--gradient-hover);
  border-color: rgba(255, 255, 255, 0.2);
  
  /* Advanced shadow effects */
  box-shadow: 
    var(--shadow-lg),
    var(--shadow-glow),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  
  /* Backdrop blur enhancement */
  backdrop-filter: blur(12px);
}

.nav-icon:hover i {
  color: var(--color-text-primary);
  opacity: 1;
  transform: scale(1.2) rotate(5deg);
  
  /* Enhanced glow */
  text-shadow: 
    0 0 8px rgba(255, 255, 255, 0.4),
    0 2px 4px rgba(0, 0, 0, 0.3);
}

/* === ACTIVE STATE === */
.nav-icon.active {
  /* Transform and shape */
  transform: scale(1.05);
  border-radius: var(--radius-lg);
  
  /* Background with accent */
  background: linear-gradient(
    135deg,
    var(--color-surface-hover) 0%,
    var(--color-primary-400) 100%
  );
  
  /* Active border */
  border-color: var(--color-accent-info);
  border-width: 2px;
  
  /* Active shadow */
  box-shadow: 
    var(--shadow-md),
    0 0 0 1px var(--color-accent-info),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  
  /* Left accent indicator */
  position: relative;
}

.nav-icon.active::before {
  content: '';
  position: absolute;
  left: -1px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--gradient-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  box-shadow: 0 0 8px var(--color-accent-success);
}

.nav-icon.active i {
  color: var(--color-text-primary);
  opacity: 1;
  transform: scale(1.15);
  
  /* Active glow */
  text-shadow: 
    0 0 12px rgba(76, 175, 80, 0.6),
    0 2px 4px rgba(0, 0, 0, 0.3);
}

/* === REDDIT ICON SPECIAL STYLING === */
#redditIcon {
  /* Special styling for Reddit icon */
  background: linear-gradient(
    135deg,
    #FF4500 0%,
    #FF6B35 50%,
    #FF4500 100%
  );
  border-color: rgba(255, 69, 0, 0.3);
}

#redditIcon i {
  transform: scale(1.3);
  color: var(--color-text-primary);
  opacity: 0.9;
}

#redditIcon:hover {
  background: linear-gradient(
    135deg,
    #FF6B35 0%,
    #FF8C42 50%,
    #FF6B35 100%
  );
  
  box-shadow: 
    var(--shadow-lg),
    0 0 20px rgba(255, 69, 0, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

#redditIcon:hover i,
#redditIcon.active i {
  transform: scale(1.4) rotate(-5deg);
  text-shadow: 
    0 0 12px rgba(255, 255, 255, 0.8),
    0 2px 4px rgba(0, 0, 0, 0.4);
}

#redditIcon.active {
  background: linear-gradient(
    135deg,
    #FF6B35 0%,
    #FF8C42 100%
  );
  border-color: #FF4500;
  box-shadow: 
    var(--shadow-lg),
    0 0 0 2px #FF4500,
    0 0 25px rgba(255, 69, 0, 0.5);
}

/* === MAIN CONTENT AREA === */
#mainContent {
  flex-grow: 1;
  padding: var(--space-xl);
  margin-left: var(--space-2xl);
  margin-right: var(--space-2xl);
  overflow: auto;
  
  /* Layout */
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  
  /* Simplified styling for performance */
  background: #1A1A1A;
  border-radius: var(--radius-xl);
  border: 1px solid #3A3A3A;
  
  /* Custom scrollbar */
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary-300) transparent;
}

#mainContent::-webkit-scrollbar {
  width: 8px;
}

#mainContent::-webkit-scrollbar-track {
  background: transparent;
}

#mainContent::-webkit-scrollbar-thumb {
  background: var(--color-primary-300);
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  background-clip: content-box;
}

#mainContent::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-200);
  background-clip: content-box;
}

/* === HEADINGS === */
h1 {
  text-align: left;
  color: var(--color-text-muted);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-xl);
  
  /* Text effects */
  background: linear-gradient(
    135deg,
    var(--color-text-primary) 0%,
    var(--color-text-secondary) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === MODERN BUTTON SYSTEM === */
.addButton,
.button {
  /* Modern button styling */
  background: var(--gradient-interactive);
  color: var(--color-text-secondary);
  font-family: var(--font-family-primary);
  font-weight: var(--font-weight-medium);
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: all var(--transition-normal);
  
  /* Modern effects */
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}

.addButton:hover,
.button:hover {
  background: var(--gradient-hover);
  color: var(--color-text-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 255, 255, 0.2);
}

.addButton.active,
.button.active {
  background: var(--gradient-hover);
  color: var(--color-text-primary);
  border-color: var(--color-accent-info);
  box-shadow: 
    var(--shadow-md),
    0 0 0 1px var(--color-accent-info);
}

/* === SCAN BUTTON === */
.scan-button {
  background: var(--gradient-accent);
  color: var(--color-text-primary);
  border: none;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-2xl);
  font-weight: var(--font-weight-semibold);
  font-family: var(--font-family-primary);
  
  /* Icon spacing */
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  
  /* Enhanced effects */
  box-shadow: 
    var(--shadow-md),
    var(--shadow-glow-accent);
  
  transition: all var(--transition-normal);
  cursor: pointer;
}

.scan-button:hover {
  background: linear-gradient(
    135deg,
    var(--color-accent-success-hover) 0%,
    var(--color-accent-success) 100%
  );
  transform: translateY(-2px);
  box-shadow: 
    var(--shadow-lg),
    0 0 25px rgba(76, 175, 80, 0.4);
}

.scan-button:active {
  background: linear-gradient(
    135deg,
    var(--color-accent-success-active) 0%,
    var(--color-accent-success-hover) 100%
  );
  transform: translateY(0);
}

.scan-button.loading {
  background: var(--color-primary-200);
  cursor: not-allowed;
  pointer-events: none;
}

.scan-button.loading i {
  animation: spin 2s linear infinite;
}

/* === BUTTON ROW === */
.button-row {
  margin-top: var(--space-2xl);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm);
}

.button-row .button {
  margin: 0; /* Reset margin since we're using gap */
}

/* === SCAN CONTAINER === */
.scan-container {
  display: flex;
  align-items: center;
  margin-top: var(--space-lg);
  margin-bottom: var(--space-lg);
  gap: var(--space-md);
}

.scan-status {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  font-weight: var(--font-weight-medium);
  
  /* Animation for status changes */
  transition: color var(--transition-normal);
}

/* === ENHANCED FORM ELEMENTS === */
.text-box {
  margin-top: var(--space-sm);
  height: var(--input-height);
  border: 1px solid var(--glass-border);
  background: var(--gradient-interactive);
  color: var(--color-text-primary);
  padding: 0 var(--input-padding-x);
  border-radius: var(--radius-2xl);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-sm);
  
  /* Effects */
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  
  /* Initially hidden */
  display: none;
}

.text-box:focus {
  outline: none;
  border-color: var(--color-interactive-focus);
  background: var(--gradient-surface);
  box-shadow: 
    var(--shadow-md),
    0 0 0 3px rgba(33, 150, 243, 0.2);
  transform: translateY(-1px);
}

.text-box::placeholder {
  color: var(--color-text-tertiary);
  opacity: 0.7;
}

/* === CONTENT FLEX CONTAINER === */
.content-flex-container {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xl);
  width: 100%;
  margin-top: var(--space-lg);
}

/* === VAULT CONTAINER === */
#vaultContainer {
  height: 545px;
  width: 600px; /* Reduced width for better proportions */
  margin-top: var(--space-3xl);
  overflow-y: auto;
  
  /* Simplified styling for better performance */
  background: #2A2A2A;
  border-radius: 16px;
  border: 1px solid #3A3A3A;
  padding: 15px; /* 15px padding on all sides as requested */
  
  /* Center the vault container itself */
  margin-left: auto;
  margin-right: auto;
  
  /* Left-align the content within the vault so last row aligns left */
  text-align: left;
  
  /* Custom scrollbar */
  scrollbar-width: none;
  -ms-overflow-style: none;
}

#vaultContainer::-webkit-scrollbar {
  display: none;
}

/* === VIDEO THUMBNAILS === */
.video-thumbnail {
  width: var(--thumbnail-size);
  height: var(--thumbnail-size);
  object-fit: cover;
  margin-left: var(--space-xs);
  opacity: 0.6;
  border-radius: var(--thumbnail-border-radius);
  
  /* Simplified for performance */
  border: 2px solid transparent;
  cursor: pointer;
}

.video-thumbnail:hover {
  opacity: 1;
  border-color: var(--color-accent-info);
}

.video-thumbnail.selected {
  opacity: 1;
  border-color: var(--color-accent-success);
}

/* === VIDEO WRAPPER === */
.video-wrapper {
  position: relative;
  display: inline-block;
  margin: var(--space-xs);
  border-radius: var(--thumbnail-border-radius);
  overflow: hidden;
}

/* === VIDEO METADATA === */
.video-likes {
  position: absolute;
  top: var(--space-xs);
  left: var(--space-xs);
  background: rgba(0, 0, 0, 0.8);
  color: var(--color-text-primary);
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  backdrop-filter: blur(4px);
  z-index: 2;
  
  /* Effects */
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* === TRASH ICON === */
.trash-icon {
  position: absolute;
  bottom: var(--space-sm);
  right: var(--space-sm);
  color: var(--color-accent-error);
  cursor: pointer;
  z-index: 3;
  font-size: var(--font-size-base);
  opacity: 0;
  
  /* Enhanced styling */
  background: rgba(0, 0, 0, 0.8);
  padding: var(--space-xs);
  border-radius: var(--radius-md);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(244, 67, 54, 0.3);
  
  /* Transitions */
  transition: all var(--transition-normal);
}

.video-wrapper:hover .trash-icon {
  opacity: 1;
  transform: scale(1.1);
}

.trash-icon:hover {
  background: var(--color-accent-error);
  color: var(--color-text-primary);
  transform: scale(1.2);
  box-shadow: 
    var(--shadow-md),
    0 0 15px rgba(244, 67, 54, 0.5);
}

/* === STATUS COLORS === */
.success {
  color: var(--color-accent-success);
  font-weight: var(--font-weight-medium);
}

.error {
  color: var(--color-accent-error);
  font-weight: var(--font-weight-medium);
}

.warning {
  color: var(--color-accent-warning);
  font-weight: var(--font-weight-medium);
}

.info {
  color: var(--color-accent-info);
  font-weight: var(--font-weight-medium);
}

/* === ANIMATIONS === */
@keyframes subtle-pulse {
  0%, 100% {
    box-shadow: var(--shadow-sm);
  }
  50% {
    box-shadow: 
      var(--shadow-sm),
      0 0 0 1px rgba(255, 255, 255, 0.05);
  }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* === RESPONSIVE DESIGN === */
@media (max-width: 1200px) {
  #mainContent {
    margin-left: var(--space-lg);
    margin-right: var(--space-lg);
    padding: var(--space-lg);
  }
  
  #vaultContainer {
    width: 400px;
    margin-left: var(--space-lg);
  }
}

@media (max-width: 768px) {
  body {
    flex-direction: column;
    height: auto;
    min-height: 100vh;
  }
  
  #mainContent {
    margin: var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
  }
  
  .content-flex-container {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  #vaultContainer {
    width: 100%;
    height: 400px;
    margin: 0;
  }
  
  .button-row {
    justify-content: center;
  }
  
  h1 {
    font-size: var(--font-size-2xl);
    text-align: center;
  }
}

@media (max-width: 480px) {
  #mainContent {
    margin: var(--space-sm);
    padding: var(--space-sm);
  }
  
  .video-thumbnail {
    width: 80px;
    height: 80px;
  }
  
  #vaultContainer {
    height: 300px;
  }
}

/* === ACCESSIBILITY === */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .video-thumbnail:hover,
  .video-wrapper:hover {
    transform: none;
  }
  
  .nav-icon {
    animation: none;
  }
}

/* === SUBREDDIT ADDING MODAL === */
.subreddit-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: var(--z-modal);
  animation: modal-fade-in var(--transition-normal) ease-out;
}

.subreddit-modal.show {
  display: flex;
}

.modal-content {
  background: var(--gradient-surface);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--glass-border);
  padding: var(--space-2xl);
  width: 90%;
  max-width: 500px;
  box-shadow: var(--shadow-xl);
  backdrop-filter: blur(20px);
  position: relative;
  animation: modal-slide-up var(--transition-normal) ease-out;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-xl);
}

.modal-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-xl);
  cursor: pointer;
  padding: var(--space-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  color: var(--color-text-primary);
  background: var(--glass-bg);
}

.modal-input-group {
  margin-bottom: var(--space-lg);
}

.modal-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.modal-input {
  width: 100%;
  height: var(--input-height);
  background: var(--gradient-interactive);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 0 var(--input-padding-x);
  color: var(--color-text-primary);
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  transition: all var(--transition-normal);
  backdrop-filter: blur(8px);
}

.modal-input:focus {
  outline: none;
  border-color: var(--color-interactive-focus);
  background: var(--gradient-surface);
  box-shadow: 
    var(--shadow-md),
    0 0 0 3px rgba(33, 150, 243, 0.2);
  transform: translateY(-1px);
}

.modal-input::placeholder {
  color: var(--color-text-tertiary);
  opacity: 0.7;
}

.modal-actions {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-xl);
  width: 100%;
}

.modal-btn {
  padding: var(--space-sm) var(--space-xl);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--glass-border);
  font-family: var(--font-family-primary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}

.modal-btn-cancel {
  background: var(--gradient-interactive);
  color: var(--color-text-secondary);
}

.modal-btn-cancel:hover {
  background: var(--gradient-hover);
  color: var(--color-text-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.modal-btn-add {
  background: var(--gradient-accent);
  color: var(--color-text-primary);
  border-color: var(--color-accent-success);
}

.modal-btn-add:hover {
  background: linear-gradient(
    135deg,
    var(--color-accent-success-hover) 0%,
    var(--color-accent-success) 100%
  );
  transform: translateY(-1px);
  box-shadow: 
    var(--shadow-lg),
    var(--shadow-glow-accent);
}

.modal-btn-add:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* === MODAL ANIMATIONS === */
@keyframes modal-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes modal-slide-up {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* === HEADER CONTAINER === */
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-bottom: var(--space-xl);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* === PROFILE SWITCH BUTTON === */
.profile-switch-button {
  background: var(--gradient-interactive);
  color: var(--color-text-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-family-primary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-sm);
  
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.profile-switch-button:hover {
  background: var(--gradient-hover);
  color: var(--color-text-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 255, 255, 0.2);
}

.profile-switch-button i {
  font-size: var(--font-size-lg);
  opacity: 0.8;
  transition: all var(--transition-normal);
}

.profile-switch-button:hover i {
  opacity: 1;
  transform: scale(1.1);
}

#currentProfileName {
  font-weight: var(--font-weight-semibold);
  text-transform: capitalize;
}

/* === HIGH CONTRAST MODE === */
@media (prefers-contrast: high) {
  #mainContent {
    border-width: 2px;
    border-color: var(--color-text-primary);
  }
  
  .video-thumbnail {
    border-width: 3px;
  }
  
  .video-thumbnail:hover {
    border-color: var(--color-text-primary);
  }
  
  .nav-icon {
    border-width: 2px;
    border-color: var(--color-text-primary);
  }
  
  .modal-content {
    border-width: 2px;
    border-color: var(--color-text-primary);
  }
  
  .profile-switch-button {
    border-width: 2px;
    border-color: var(--color-text-primary);
  }
}