/**
 * INSTANCE BRAND THEME
 * 
 * Philosophy: Minimalistic luxury embodying ownership and control
 * Mood: Porsche-inspired modern elegance
 * Colors: Black/White/Greyscale - Heavy black base with white highlights
 * 
 * Symbolism: YOUR INSTANCE = YOUR DOMAIN = TRUE OWNERSHIP
 * 
 * Used for: Instance selection, brand pages, customer-facing portals
 * NOT used for: Main chat interface (uses theme.css)
 */

/* ============================================================================
   BRAND FOUNDATION
   ============================================================================ */

:root {
  /* Brand Colors - Monochromatic Luxury */
  --instance-black: #000000;
  --instance-grey-900: #0a0a0a;
  --instance-grey-800: #121212;
  --instance-grey-700: #1a1a1a;
  --instance-grey-600: #2a2a2a;
  --instance-grey-500: #3a3a3a;
  --instance-grey-400: #808080;
  --instance-grey-300: #a0a0a0;
  --instance-grey-200: #c0c0c0;
  --instance-grey-100: #e0e0e0;
  --instance-white: #f5f5f5;

  /* Semantic Colors */
  --instance-bg-primary: var(--instance-black);
  --instance-bg-secondary: var(--instance-grey-900);
  --instance-bg-card: var(--instance-grey-800);
  --instance-bg-card-hover: var(--instance-grey-700);
  --instance-border: var(--instance-grey-600);
  --instance-border-hover: rgba(245, 245, 245, 0.9);
  
  /* Typography */
  --instance-text-primary: rgba(245, 245, 245, 0.98);
  --instance-text-secondary: var(--instance-grey-200);
  --instance-text-tertiary: var(--instance-grey-400);
  
  /* Spacing - Generous, modern */
  --instance-space-xs: 8px;
  --instance-space-sm: 12px;
  --instance-space-md: 16px;
  --instance-space-lg: 24px;
  --instance-space-xl: 32px;
  --instance-space-2xl: 48px;
  --instance-space-3xl: 64px;
  
  /* Radius - Sharp, architectural */
  --instance-radius-sm: 2px;
  --instance-radius-md: 4px;
  --instance-radius-lg: 8px;
  
  /* Shadows - Subtle depth */
  --instance-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --instance-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.6);
  --instance-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.7);
  
  /* Transitions - Smooth, premium */
  --instance-transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --instance-transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --instance-transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Typography Scale */
  --instance-font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --instance-font-mono: Consolas, "Courier New", monospace;
  --instance-font-weight-normal: 400;
  --instance-font-weight-medium: 500;
  --instance-font-weight-semibold: 600;
  --instance-font-weight-bold: 700;
}

/* ============================================================================
   BASE STYLES
   ============================================================================ */

.instance-page {
  font-family: var(--instance-font-sans);
  background: var(--instance-bg-primary);
  color: var(--instance-text-primary);
  min-height: 100vh;
  height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  overflow-y: auto;
  overflow-x: hidden;
}

.instance-page::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at top, rgba(255, 255, 255, 0.03) 0%, transparent 50%),
              radial-gradient(ellipse at bottom right, rgba(255, 255, 255, 0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

.instance-page > * {
  position: relative;
  z-index: 1;
}

/* ============================================================================
   HEADER - Premium Navigation
   ============================================================================ */

.instance-header {
  background: linear-gradient(180deg, rgba(10, 10, 10, 0.98) 0%, rgba(10, 10, 10, 0.95) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--instance-space-lg) var(--instance-space-xl);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.instance-header__container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--instance-space-lg);
}

.instance-header__brand {
  font-size: 20px;
  font-weight: var(--instance-font-weight-semibold);
  letter-spacing: 0.02em;
  color: rgba(245, 245, 245, 0.98);
  text-transform: lowercase;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.instance-header__logo {
  height: 16px;
  width: auto;
  display: block;
  flex-shrink: 0;
}

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

.instance-header__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--instance-grey-700);
  border: 1px solid var(--instance-border);
  object-fit: cover;
  transition: border-color var(--instance-transition-fast);
}

.instance-header__avatar:hover {
  border-color: rgba(245, 245, 245, 0.9);
}

.instance-header__username {
  font-size: 14px;
  font-weight: var(--instance-font-weight-medium);
  color: var(--instance-text-primary);
  max-width: 150px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.instance-header__logout {
  background: transparent;
  color: var(--instance-text-secondary);
  border: 1px solid var(--instance-border);
  padding: 8px 16px;
  border-radius: var(--instance-radius-sm);
  cursor: pointer;
  font-weight: var(--instance-font-weight-medium);
  font-size: 13px;
  letter-spacing: 0.02em;
  text-transform: lowercase;
  transition: all var(--instance-transition-base);
}

.instance-header__logout:hover {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(245, 245, 245, 0.95);
  border-color: rgba(255, 255, 255, 0.2);
}

/* ============================================================================
   MAIN CONTAINER
   ============================================================================ */

.instance-main {
  flex: 1;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--instance-space-3xl) var(--instance-space-xl);
  overflow-y: visible;
  min-height: 0;
}

/* Hero Section */
.instance-hero {
  text-align: center;
  margin-bottom: 56px;
  padding: var(--instance-space-2xl) 0;
  position: relative;
}

.instance-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
}

.instance-hero__title {
  font-size: 40px;
  font-weight: var(--instance-font-weight-semibold);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.75) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
  text-transform: lowercase;
  line-height: 1.2;
}

/* ============================================================================
   REALM GRID - Professional Instance Layout
   ============================================================================ */

.instance-realm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 24px;
  margin-bottom: var(--instance-space-3xl);
  /* Prevent glow effects from bleeding between cards */
  isolation: isolate;
}

.instance-realm {
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.7) 0%, rgba(18, 18, 18, 0.8) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  /* Smooth transitions for all properties */
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1),
              border-color 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  /* Isolate to prevent glow bleeding */
  isolation: isolate;
  will-change: transform;
}

/* Animated background layer */
.instance-realm::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(30, 30, 30, 0.85) 0%, rgba(20, 20, 20, 0.9) 100%);
  opacity: 0;
  transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  z-index: 0;
}

.instance-realm::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  opacity: 0;
  transition: opacity 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
  pointer-events: none;
}

.instance-realm:hover {
  border-color: rgba(255, 255, 255, 0.18);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.7), 0 4px 12px rgba(0, 0, 0, 0.4);
}

.instance-realm:hover::after {
  opacity: 1;
}

.instance-realm:hover::before {
  opacity: 1;
}

/* Ensure content is above pseudo-elements */
.instance-realm > * {
  position: relative;
  z-index: 2;
}

.instance-realm__main {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Top Bar - Icon + Role Badge */
.instance-realm__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--instance-space-md);
}

.instance-realm__icon-wrapper {
  width: 64px;
  height: 64px;
  border-radius: var(--instance-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  background: linear-gradient(135deg, rgba(42, 42, 42, 0.8) 0%, rgba(26, 26, 26, 0.9) 100%);
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
  /* Smooth transitions */
  transition: border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.instance-realm:hover .instance-realm__icon-wrapper {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
}

.instance-realm__icon {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.instance-realm__icon-wrapper--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(50, 50, 50, 0.6) 0%, rgba(35, 35, 35, 0.8) 100%);
}

.instance-realm__icon-placeholder {
  font-size: 28px;
  font-weight: var(--instance-font-weight-semibold);
  color: rgba(245, 245, 245, 0.9);
  letter-spacing: -0.02em;
  text-transform: uppercase;
  opacity: 0.6;
}

.instance-realm__role {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: var(--instance-radius-sm);
  font-size: 10px;
  font-weight: var(--instance-font-weight-semibold);
  text-transform: lowercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
  flex-shrink: 0;
}

.instance-realm__role--owner {
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.15) 0%, rgba(218, 165, 32, 0.15) 100%);
  color: rgba(255, 215, 0, 0.95);
  border: 1px solid rgba(255, 215, 0, 0.3);
  box-shadow: 0 0 12px rgba(255, 215, 0, 0.08);
  /* Contain glow within the badge */
  isolation: isolate;
}

.instance-realm__role--admin {
  background: rgba(138, 180, 248, 0.12);
  color: rgba(138, 180, 248, 0.95);
  border: 1px solid rgba(138, 180, 248, 0.25);
}

.instance-realm__role--member {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Content Section */
.instance-realm__content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.instance-realm__name {
  font-size: 20px;
  font-weight: var(--instance-font-weight-semibold);
  color: rgba(255, 255, 255, 0.95);
  letter-spacing: -0.02em;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-transform: lowercase;
}

.instance-realm__meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.instance-realm__url {
  font-size: 13px;
  color: var(--instance-text-secondary);
  font-family: var(--instance-font-mono);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.instance-realm__joined {
  font-size: 11px;
  color: var(--instance-text-tertiary);
  font-weight: var(--instance-font-weight-normal);
  letter-spacing: 0.01em;
  text-transform: lowercase;
}

/* Actions Bar */
.instance-realm__actions {
  padding: 18px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.1) 100%);
}

.instance-realm__enter {
  color: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 10px 24px;
  font-size: 12px;
  font-weight: var(--instance-font-weight-semibold);
  text-transform: lowercase;
  letter-spacing: 0.02em;
  cursor: pointer;
  text-decoration: none;
  border-radius: var(--instance-radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  position: relative;
  overflow: hidden;
  /* Smooth transitions for all properties */
  transition: border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.08) 100%);
  isolation: isolate;
}

/* Animated background layer */
.instance-realm__enter::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0.12) 100%);
  opacity: 0;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  z-index: -1;
}

/* Shimmer effect */
.instance-realm__enter::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
  pointer-events: none;
}

.instance-realm__enter:hover::before {
  left: 100%;
}

.instance-realm__enter:hover::after {
  opacity: 1;
}

.instance-realm__enter:hover {
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
}

.instance-realm__enter:active {
  transform: scale(0.98) translateY(0);
}

.instance-realm__leave {
  background: transparent;
  border: 1px solid rgba(255, 100, 100, 0.2);
  color: rgba(255, 100, 100, 0.7);
  padding: 9px 20px;
  font-size: 12px;
  font-weight: var(--instance-font-weight-medium);
  text-transform: lowercase;
  letter-spacing: 0.02em;
  cursor: pointer;
  border-radius: var(--instance-radius-sm);
  position: relative;
  overflow: hidden;
  /* Smooth transitions */
  transition: border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              color 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  isolation: isolate;
}

/* Animated background layer */
.instance-realm__leave::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 100, 100, 0.08);
  opacity: 0;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  z-index: -1;
}

.instance-realm__leave:hover::after {
  opacity: 1;
}

.instance-realm__leave:hover {
  border-color: rgba(255, 100, 100, 0.4);
  color: rgba(255, 120, 120, 0.95);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(255, 100, 100, 0.15);
}

.instance-realm__leave:active {
  transform: scale(0.98) translateY(0);
}

/* ============================================================================
   MODAL - Minimal Confirmation Dialog
   ============================================================================ */

.instance-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--instance-space-xl);
  animation: modalFadeIn 200ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.instance-modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.instance-modal__content {
  position: relative;
  background: linear-gradient(135deg, rgba(28, 28, 28, 0.98) 0%, rgba(20, 20, 20, 0.98) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  max-width: 420px;
  width: 100%;
  box-shadow: 
    0 24px 72px rgba(0, 0, 0, 0.85),
    0 0 0 1px rgba(255, 255, 255, 0.08);
  animation: modalScaleIn 280ms cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

@keyframes modalScaleIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.instance-modal__title {
  font-size: 18px;
  font-weight: var(--instance-font-weight-semibold);
  color: rgba(245, 245, 245, 0.98);
  padding: var(--instance-space-lg) var(--instance-space-xl);
  padding-bottom: var(--instance-space-md);
  letter-spacing: -0.015em;
  text-transform: lowercase;
  line-height: 1.4;
}

.instance-modal__text {
  font-size: 14px;
  color: var(--instance-text-secondary);
  line-height: 1.5;
  padding: 0 var(--instance-space-xl);
  padding-bottom: var(--instance-space-md);
  text-transform: lowercase;
}

.instance-modal__note {
  font-size: 12px;
  color: var(--instance-text-tertiary);
  line-height: 1.4;
  padding: 0 var(--instance-space-xl);
  padding-bottom: var(--instance-space-xl);
  text-transform: lowercase;
}

.instance-modal__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.instance-modal__button {
  padding: var(--instance-space-md);
  font-size: 13px;
  font-weight: var(--instance-font-weight-medium);
  text-transform: lowercase;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all 180ms cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.6);
  position: relative;
}

.instance-modal__button::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.03);
  opacity: 0;
  transition: opacity 180ms cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.instance-modal__button:hover::after {
  opacity: 1;
}

.instance-modal__button:active::after {
  opacity: 0.5;
  background: rgba(255, 255, 255, 0.06);
}

.instance-modal__button--secondary {
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
}

.instance-modal__button--secondary:hover {
  color: rgba(255, 255, 255, 0.9);
}

.instance-modal__button--danger {
  color: rgba(255, 100, 100, 0.95);
  font-weight: var(--instance-font-weight-semibold);
}

.instance-modal__button--danger:hover {
  color: rgba(255, 120, 120, 1);
}

/* ============================================================================
   EMPTY STATE
   ============================================================================ */

.instance-empty {
  text-align: center;
  padding: var(--instance-space-3xl) var(--instance-space-lg);
  max-width: 600px;
  margin: var(--instance-space-3xl) auto;
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.4) 0%, rgba(18, 18, 18, 0.5) 100%);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.instance-empty__icon {
  font-size: 80px;
  line-height: 1;
  margin-bottom: var(--instance-space-lg);
  opacity: 0.2;
  font-weight: 100;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, rgba(255, 255, 255, 0.1) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.instance-empty__title {
  font-size: 24px;
  font-weight: var(--instance-font-weight-semibold);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.7) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--instance-space-sm);
  letter-spacing: -0.01em;
  text-transform: lowercase;
}

.instance-empty__text {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
  text-transform: lowercase;
}

/* ============================================================================
   LOADING STATE
   ============================================================================ */

.instance-loading {
  text-align: center;
  padding: var(--instance-space-3xl) var(--instance-space-lg);
  color: var(--instance-text-tertiary);
  font-size: 15px;
  text-transform: lowercase;
}

/* ============================================================================
   PROFILE MODAL (INSTANCE BRAND STYLE)
   ============================================================================ */

.instance-profile-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--instance-space-lg);
}

.instance-profile-modal.is-open {
  display: flex;
}

.instance-profile-modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeIn 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

.instance-profile-modal-content {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.95) 0%, rgba(18, 18, 18, 0.98) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.08);
  animation: slideUp 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.instance-profile-modal-header {
  position: relative;
  padding-top: 60px;
  background: linear-gradient(135deg, rgba(40, 40, 40, 0.4) 0%, rgba(30, 30, 30, 0.5) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.instance-profile-modal-banner {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: linear-gradient(135deg, rgba(60, 60, 60, 0.3) 0%, rgba(40, 40, 40, 0.4) 100%);
}

.instance-profile-modal-avatar-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  padding-bottom: var(--instance-space-lg);
}

.instance-profile-modal-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 4px solid rgba(26, 26, 26, 0.95);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  background: rgba(40, 40, 40, 0.5);
}

.instance-profile-modal-body {
  padding: var(--instance-space-lg);
}

.instance-profile-modal-section {
  margin-bottom: var(--instance-space-md);
}

.instance-profile-modal-section-title {
  font-size: 11px;
  font-weight: var(--instance-font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--instance-space-xs);
}

.instance-profile-modal-username-text {
  font-size: 16px;
  font-weight: var(--instance-font-weight-medium);
  color: rgba(255, 255, 255, 0.95);
}

.instance-profile-modal-tag {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
}

.instance-profile-modal-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
}

.instance-profile-modal-status .status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #43b581;
  box-shadow: 0 0 8px rgba(67, 181, 129, 0.5);
}

.instance-profile-modal-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.06);
  margin: var(--instance-space-md) 0;
}

.instance-profile-modal-actions {
  margin-top: var(--instance-space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--instance-space-sm);
}

.instance-profile-modal-button {
  width: 100%;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  font-weight: var(--instance-font-weight-medium);
  text-align: left;
  cursor: pointer;
  transition: all 180ms cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  gap: 12px;
}

.instance-profile-modal-button svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.7;
}

.instance-profile-modal-button:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.95);
  transform: translateY(-1px);
}

.instance-profile-modal-button:active {
  transform: translateY(0);
}

.instance-profile-modal-button--logout {
  color: rgba(255, 100, 100, 0.95);
  border-color: rgba(255, 100, 100, 0.2);
}

.instance-profile-modal-button--logout:hover {
  background: rgba(255, 100, 100, 0.08);
  border-color: rgba(255, 100, 100, 0.3);
  color: rgba(255, 120, 120, 1);
}

.instance-profile-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 180ms cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
}

.instance-profile-modal-close:hover {
  background: rgba(0, 0, 0, 0.5);
  border-color: rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.95);
  transform: scale(1.05);
}

.instance-profile-modal-close svg {
  width: 20px;
  height: 20px;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (max-width: 768px) {
  .instance-profile-modal {
    padding: 0;
    align-items: flex-end;
  }

  .instance-profile-modal-content {
    max-width: 100%;
    border-radius: 12px 12px 0 0;
    animation: slideUpMobile 250ms cubic-bezier(0.4, 0, 0.2, 1);
  }

  @keyframes slideUpMobile {
    from {
      transform: translateY(100%);
    }
    to {
      transform: translateY(0);
    }
  }
}

/* ============================================================================
   USER SETTINGS MODAL (INSTANCE BRAND STYLE)
   ============================================================================ */

.instance-user-settings-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10001;
  background: rgba(0, 0, 0, 0.85);
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.instance-user-settings-modal.is-open {
  display: flex;
}

.instance-user-settings-container {
  display: flex;
  width: 100%;
  max-width: 1000px;
  height: 90vh;
  max-height: 740px;
  background: linear-gradient(135deg, rgba(18, 18, 18, 0.98) 0%, rgba(10, 10, 10, 0.98) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.08);
}

.instance-user-settings-sidebar {
  width: 240px;
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.8) 0%, rgba(18, 18, 18, 0.9) 100%);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.instance-user-settings-header {
  padding: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 11px;
  font-weight: var(--instance-font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.5);
}

.instance-user-settings-nav {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.instance-user-settings-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  font-weight: var(--instance-font-weight-medium);
  cursor: pointer;
  transition: all 0.15s ease;
  margin-bottom: 2px;
}

.instance-user-settings-nav-item:hover {
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.9);
}

.instance-user-settings-nav-item.active {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.95);
}

.instance-user-settings-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.instance-user-settings-topbar {
  height: 56px;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
  position: relative;
}

.instance-user-settings-close-btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  transition: all 0.15s ease;
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
}

.instance-user-settings-close-btn:hover {
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.95);
}

.instance-user-settings-title {
  font-size: 16px;
  font-weight: var(--instance-font-weight-semibold);
  color: rgba(255, 255, 255, 0.95);
  flex: 1;
}

.instance-user-settings-body {
  flex: 1;
  padding: 40px;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

.instance-user-settings-section {
  margin-bottom: 32px;
}

.instance-user-settings-section-title {
  font-size: 11px;
  font-weight: var(--instance-font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 16px;
}

.instance-user-settings-form-group {
  margin-bottom: 20px;
}

.instance-user-settings-label {
  display: block;
  font-size: 11px;
  font-weight: var(--instance-font-weight-semibold);
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.instance-user-settings-input {
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  padding: 10px 12px;
  color: rgba(255, 255, 255, 0.95);
  font-size: 15px;
  font-family: inherit;
  transition: all 0.15s ease;
}

.instance-user-settings-input:focus {
  outline: none;
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(0, 0, 0, 0.4);
}

.instance-user-settings-input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.instance-user-settings-hint {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 8px;
}

.instance-user-settings-preview {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  margin-top: 12px;
}

.instance-user-settings-preview-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(40, 40, 40, 0.5);
  border: 2px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: var(--instance-font-weight-bold);
  color: rgba(255, 255, 255, 0.8);
  flex-shrink: 0;
  overflow: hidden;
}

.instance-user-settings-preview-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.instance-user-settings-preview-info {
  flex: 1;
  min-width: 0;
}

.instance-user-settings-preview-name {
  font-size: 18px;
  font-weight: var(--instance-font-weight-semibold);
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 4px;
  word-wrap: break-word;
}

.instance-user-settings-preview-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

.instance-user-settings-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.instance-user-settings-btn {
  padding: 10px 24px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: var(--instance-font-weight-semibold);
  cursor: pointer;
  transition: all 0.15s ease;
  border: none;
}

.instance-user-settings-btn-primary {
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.instance-user-settings-btn-primary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.instance-user-settings-btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.instance-user-settings-btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.instance-user-settings-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
}

.instance-user-settings-error {
  padding: 12px 16px;
  background: rgba(255, 92, 92, 0.1);
  border: 1px solid rgba(255, 92, 92, 0.3);
  border-radius: 4px;
  color: rgba(255, 92, 92, 0.95);
  font-size: 13px;
  margin-top: 16px;
  display: none;
}

.instance-user-settings-error.visible {
  display: block;
}

.instance-user-settings-success {
  padding: 12px 16px;
  background: rgba(67, 181, 129, 0.1);
  border: 1px solid rgba(67, 181, 129, 0.3);
  border-radius: 4px;
  color: rgba(67, 181, 129, 0.95);
  font-size: 13px;
  margin-top: 16px;
  display: none;
}

.instance-user-settings-success.visible {
  display: block;
}

/* Additional form elements */
.instance-user-settings-button-group {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.instance-user-settings-button-group .instance-user-settings-btn {
  font-size: 14px;
  padding: 8px 16px;
  width: auto;
  min-height: 40px;
}

.username-display-edit {
  width: 100%;
}

.settings-username-display {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  min-height: 44px;
}

.settings-username-display span {
  flex: 1;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.95);
  font-weight: var(--instance-font-weight-medium);
}

.settings-edit-username-btn {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border: none;
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
  transition: all 0.15s ease;
}

.settings-edit-username-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.95);
}

.instance-user-settings-divider {
  margin-top: 30px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.instance-user-settings-subsection-title {
  font-size: 16px;
  font-weight: var(--instance-font-weight-semibold);
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.9);
}

/* Linked accounts container */
#linkedAccountsContainer {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.linked-account-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
}

.linked-account-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

.linked-account-info {
  flex: 1;
  min-width: 0;
}

.linked-account-provider {
  font-size: 14px;
  font-weight: var(--instance-font-weight-semibold);
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: 2px;
}

.linked-account-username {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

.linked-account-actions {
  display: flex;
  gap: 8px;
}

.linked-account-btn {
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: var(--instance-font-weight-semibold);
  cursor: pointer;
  transition: all 0.15s ease;
  border: none;
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.linked-account-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.12);
}

.linked-account-btn-danger {
  background: rgba(255, 92, 92, 0.1);
  color: rgba(255, 92, 92, 0.95);
  border-color: rgba(255, 92, 92, 0.3);
}

.linked-account-btn-danger:hover {
  background: rgba(255, 92, 92, 0.2);
  border-color: rgba(255, 92, 92, 0.4);
}

/* Mobile header (hidden on desktop) */
.instance-user-settings-mobile-header {
  display: none;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .instance-user-settings-modal {
    padding: 0;
  }

  .instance-user-settings-container {
    max-width: 100%;
    height: 100vh;
    max-height: 100vh;
    border-radius: 0;
    flex-direction: column;
  }

  .instance-user-settings-sidebar {
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .instance-user-settings-header {
    display: none;
  }

  .instance-user-settings-mobile-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  .instance-user-settings-nav {
    display: flex;
    overflow-x: auto;
    padding: 8px;
  }

  .instance-user-settings-nav-item {
    white-space: nowrap;
  }

  .instance-user-settings-topbar {
    display: none;
  }

  .instance-user-settings-body {
    padding: 24px 16px;
  }

  .instance-user-settings-preview {
    flex-direction: column;
    text-align: center;
  }

  .instance-user-settings-preview-avatar {
    width: 64px;
    height: 64px;
  }

  .instance-user-settings-preview-name {
    font-size: 16px;
  }

  .instance-user-settings-button-group {
    flex-direction: column;
    width: 100%;
  }

  .instance-user-settings-button-group .instance-user-settings-btn {
    width: 100%;
  }

  .instance-user-settings-actions {
    position: sticky;
    bottom: 0;
    background: linear-gradient(135deg, rgba(18, 18, 18, 0.98) 0%, rgba(10, 10, 10, 0.98) 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 16px;
    margin: 0 -16px -24px -16px;
  }
}

.instance-loading::before {
  content: '';
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--instance-grey-600);
  border-top-color: rgba(245, 245, 245, 0.9);
  border-radius: 50%;
  margin-right: var(--instance-space-sm);
  animation: instance-spin 0.8s linear infinite;
  vertical-align: middle;
}

@keyframes instance-spin {
  to { transform: rotate(360deg); }
}

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

.instance-error {
  background: var(--instance-grey-800);
  border: 1px solid var(--instance-grey-500);
  color: rgba(245, 245, 245, 0.98);
  padding: var(--instance-space-md) var(--instance-space-lg);
  border-radius: var(--instance-radius-md);
  margin-bottom: var(--instance-space-lg);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: var(--instance-space-sm);
}

.instance-error::before {
  content: '!';
  font-size: 18px;
  font-weight: var(--instance-font-weight-bold);
}

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

/* Tablet */
@media (max-width: 1024px) {
  .instance-header {
    padding: var(--instance-space-md) var(--instance-space-lg);
  }
  
  .instance-main {
    padding: var(--instance-space-2xl) var(--instance-space-lg);
  }
  
  .instance-hero {
    padding: var(--instance-space-xl) 0;
    margin-bottom: var(--instance-space-2xl);
  }
  
  .instance-hero__title {
    font-size: 36px;
  }
  
  .instance-realm-grid {
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 18px;
  }
  
  .instance-realm__main {
    padding: 22px;
    gap: 18px;
  }
  
  .instance-realm__icon-wrapper {
    width: 60px;
    height: 60px;
  }
  
  .instance-realm__name {
    font-size: 19px;
  }
  
  .instance-realm__actions {
    padding: 15px 22px;
  }
}

/* Mobile */
@media (max-width: 640px) {
  .instance-header {
    padding: var(--instance-space-md) var(--instance-space-md);
  }
  
  .instance-header__brand {
    font-size: 16px;
    gap: 8px;
  }
  
  .instance-header__logo {
    height: 14px;
    width: auto;
  }
  
  .instance-header__username {
    display: none;
  }
  
  .instance-header__logout {
    padding: 6px 12px;
    font-size: 11px;
  }
  
  .instance-main {
    padding: var(--instance-space-lg) var(--instance-space-md);
  }
  
  .instance-hero {
    padding: var(--instance-space-lg) 0;
    margin-bottom: var(--instance-space-lg);
  }
  
  .instance-hero__title {
    font-size: 24px;
  }
  
  .instance-realm-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .instance-realm__main {
    padding: 20px;
    gap: 16px;
  }
  
  .instance-realm__top {
    gap: 12px;
  }
  
  .instance-realm__icon-wrapper {
    width: 56px;
    height: 56px;
  }
  
  .instance-realm__icon-placeholder {
    font-size: 24px;
  }
  
  .instance-realm__role {
    font-size: 9px;
    padding: 5px 12px;
  }
  
  .instance-realm__content {
    gap: 10px;
  }
  
  .instance-realm__name {
    font-size: 18px;
  }
  
  .instance-realm__meta {
    gap: 6px;
  }
  
  .instance-realm__url {
    font-size: 12px;
  }
  
  .instance-realm__joined {
    font-size: 10px;
  }
  
  .instance-realm__actions {
    padding: 14px 20px;
    gap: 10px;
  }
  
  .instance-realm__enter {
    padding: 11px 20px;
    font-size: 12px;
  }
  
  .instance-realm__leave {
    padding: 10px 18px;
    font-size: 12px;
  }
  
  /* Modal adjustments for mobile */
  .instance-modal {
    padding: var(--instance-space-md);
    align-items: flex-end;
  }
  
  .instance-modal__content {
    max-width: 100%;
    border-radius: var(--instance-radius-lg) var(--instance-radius-lg) 0 0;
    animation: modalSlideUp 250ms cubic-bezier(0.16, 1, 0.3, 1);
  }
  
  @keyframes modalSlideUp {
    from {
      opacity: 0;
      transform: translateY(100%);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .instance-modal__title {
    font-size: 17px;
    padding: var(--instance-space-md) var(--instance-space-lg);
    padding-bottom: var(--instance-space-sm);
  }
  
  .instance-modal__text {
    font-size: 13px;
    padding: 0 var(--instance-space-lg);
    padding-bottom: var(--instance-space-sm);
  }
  
  .instance-modal__note {
    font-size: 12px;
    padding: 0 var(--instance-space-lg);
    padding-bottom: var(--instance-space-lg);
  }
  
  .instance-modal__actions {
    grid-template-columns: 1fr;
  }
  
  .instance-modal__button {
    padding: var(--instance-space-md);
  }
  
  .instance-modal__button--secondary {
    border-right: none;
    border-top: 1px solid var(--instance-grey-800);
    order: 2;
  }
  
  .instance-modal__button--danger {
    order: 1;
  }
}

/* PWA / Standalone Mode - Remove system UI padding */
@media (display-mode: standalone) {
  .instance-header {
    padding-top: calc(var(--instance-space-lg) + env(safe-area-inset-top));
    padding-left: calc(var(--instance-space-xl) + env(safe-area-inset-left));
    padding-right: calc(var(--instance-space-xl) + env(safe-area-inset-right));
  }
  
  .instance-main {
    padding-left: calc(var(--instance-space-xl) + env(safe-area-inset-left));
    padding-right: calc(var(--instance-space-xl) + env(safe-area-inset-right));
    padding-bottom: calc(var(--instance-space-3xl) + env(safe-area-inset-bottom));
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .instance-realm {
    border-width: 2px;
  }
  
  .instance-realm:hover {
    border-width: 2px;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

.instance-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.instance-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.instance-line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================================
   AUTH PAGE STYLES
   ============================================================================ */

.auth-container {
  width: 100%;
  max-width: 420px;
}

.auth-card {
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.95) 0%, rgba(18, 18, 18, 0.98) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: var(--instance-space-xl);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.08);
}

.auth-header {
  text-align: center;
  margin-bottom: var(--instance-space-xl);
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 10px;
}

.auth-icon {
  width: 27px;
  height: 27px;
  display: block;
  flex-shrink: 0;
  position: relative;
  top: 5px;
}

.auth-title {
  font-size: 28px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.98);
  letter-spacing: -0.02em;
  margin: 0;
  padding: 0;
  line-height: 1;
}

.form-group {
  margin-bottom: var(--instance-space-md);
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: var(--instance-font-weight-medium);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 8px;
  letter-spacing: 0;
}

.form-input {
  width: 100%;
  padding: 12px 14px;
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--instance-radius-sm);
  color: rgba(255, 255, 255, 0.98);
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.2s ease, background 0.2s ease;
  outline: none;
}

.form-input:hover {
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(0, 0, 0, 0.5);
}

.form-input:focus {
  border-color: rgba(255, 255, 255, 0.4);
  background: rgba(0, 0, 0, 0.6);
}

.form-input::placeholder {
  color: rgba(255, 255, 255, 0.3);
}

.auth-button-group {
  display: flex;
  flex-direction: column;
  gap: var(--instance-space-sm);
  margin-top: var(--instance-space-lg);
}

.discord-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-right: 4px;
}

.divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: var(--instance-space-lg) 0;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--instance-grey-700);
}

.divider span {
  padding: 0 var(--instance-space-sm);
  color: rgba(255, 255, 255, 0.4);
  font-size: 12px;
  font-weight: var(--instance-font-weight-medium);
  text-transform: lowercase;
  letter-spacing: 0.01em;
}

.error-message {
  margin-top: var(--instance-space-md);
  padding: 10px 12px;
  background: rgba(242, 63, 67, 0.1);
  border: 1px solid rgba(242, 63, 67, 0.3);
  border-radius: var(--instance-radius-sm);
  color: #f23f43;
  font-size: 13px;
  transition: all 0.2s ease;
}

.error-message.hidden {
  display: none;
}

.hidden {
  display: none !important;
}

.toggle-text {
  text-align: center;
  margin-top: var(--instance-space-lg);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

.toggle-text a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-weight: var(--instance-font-weight-medium);
}

.toggle-text a:hover {
  color: rgba(255, 255, 255, 1);
  text-decoration: underline;
}

.form-hint {
  margin-top: 6px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

.auth-back-link {
  text-align: center;
  margin-top: 16px;
}

.auth-back-link a {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}

.auth-back-link a:hover {
  color: rgba(255, 255, 255, 0.85);
}