/* 
 * Biomersive Health Vault - Design System
 * Medical-grade precision interface with longevity focus
 */

/* ===========================
   CSS Custom Properties (Variables)
   =========================== */

:root {
  /* Brand Colors - OpenAI + Tesla Inspired */
  --color-primary: #10a37f;
  --color-primary-hover: #0d8a6a;
  --color-primary-light: #1ac496;
  --color-secondary: #e82127;
  --color-secondary-hover: #c41d22;
  --color-accent: #6366f1;
  --color-accent-cyan: #06b6d4;
  
  /* Light Mode Colors - Sleek Minimal */
  --color-bg-base: #ffffff;
  --color-bg-secondary: #fafafa;
  --color-bg-tertiary: #f5f5f5;
  --color-bg-elevated: #ffffff;
  --color-bg-accent: #f0fdf4;
  
  --color-text-primary: #0a0a0a;
  --color-text-secondary: #525252;
  --color-text-tertiary: #737373;
  --color-text-muted: #a3a3a3;
  
  --color-border: #e5e5e5;
  --color-border-light: #f5f5f5;
  --color-border-dark: #d4d4d4;
  
  --color-shadow: rgba(0, 0, 0, 0.1);
  --color-shadow-md: rgba(0, 0, 0, 0.05);
  --color-shadow-lg: rgba(0, 0, 0, 0.15);
  
  /* Status Colors */
  --color-success: #10a37f;
  --color-success-bg: #d1fae5;
  --color-success-text: #065f46;
  --color-success-border: #6ee7b7;
  
  --color-error: #e82127;
  --color-error-bg: #fee2e2;
  --color-error-text: #991b1b;
  --color-error-border: #fca5a5;
  
  --color-warning: #f59e0b;
  --color-warning-bg: #fef3c7;
  --color-warning-text: #92400e;
  --color-warning-border: #fcd34d;
  
  --color-info: #06b6d4;
  --color-info-bg: #cffafe;
  --color-info-text: #164e63;
  --color-info-border: #67e8f9;
  
  /* Gradients - OpenAI/Tesla Inspired */
  --gradient-primary: linear-gradient(135deg, #10a37f 0%, #06b6d4 100%);
  --gradient-secondary: linear-gradient(135deg, #e82127 0%, #f97316 100%);
  --gradient-accent: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-dark: linear-gradient(180deg, #0a0a0a 0%, #171717 100%);
  
  /* Glow Effects */
  --glow-primary: 0 0 20px rgba(16, 163, 127, 0.3);
  --glow-secondary: 0 0 20px rgba(232, 33, 39, 0.3);
  --glow-accent: 0 0 20px rgba(99, 102, 241, 0.3);
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms;
  --transition-base: 200ms;
  --transition-slow: 300ms;
  
  /* Shadows - Crisp & Precise */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px -1px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.12), 0 8px 10px -6px rgba(0, 0, 0, 0.06);
  --shadow-inset: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
}

/* Dark Mode Colors - OpenAI/Tesla Dark */
[data-theme="dark"] {
  --color-bg-base: #0a0a0a;
  --color-bg-secondary: #171717;
  --color-bg-tertiary: #262626;
  --color-bg-elevated: #1a1a1a;
  --color-bg-accent: #1f1f1f;
  
  --color-text-primary: #fafafa;
  --color-text-secondary: #d4d4d4;
  --color-text-tertiary: #a3a3a3;
  --color-text-muted: #737373;
  
  --color-border: #262626;
  --color-border-light: #1a1a1a;
  --color-border-dark: #404040;
  
  --color-shadow: rgba(0, 0, 0, 0.3);
  --color-shadow-md: rgba(0, 0, 0, 0.2);
  --color-shadow-lg: rgba(0, 0, 0, 0.4);
  
  /* Status colors remain mostly the same but with adjusted backgrounds */
  --color-success-bg: #064e3b;
  --color-success-text: #6ee7b7;
  --color-success-border: #065f46;
  
  --color-error-bg: #7f1d1d;
  --color-error-text: #fca5a5;
  --color-error-border: #991b1b;
  
  --color-warning-bg: #78350f;
  --color-warning-text: #fcd34d;
  --color-warning-border: #92400e;
  
  --color-info-bg: #1e3a8a;
  --color-info-text: #93c5fd;
  --color-info-border: #1e40af;
}

/* ===========================
   Base Styles
   =========================== */

* {
  box-sizing: border-box;
}

html {
  height: 100%;
  background-color: var(--color-bg-base);
}

body {
  height: 100%;
  background-color: var(--color-bg-base);
  color: var(--color-text-primary);
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  transition: background-color var(--transition-base), color var(--transition-base);
  line-height: 1.6;
  font-size: 15px;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===========================
   Typography
   =========================== */

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-primary);
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h1 { font-size: 2rem; font-weight: 700; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }

.text-primary {
  color: var(--color-text-primary);
}

.text-secondary {
  color: var(--color-text-secondary);
}

.text-tertiary {
  color: var(--color-text-tertiary);
}

.text-muted {
  color: var(--color-text-muted);
}

/* ===========================
   Button System
   =========================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.25rem;
  transition: all var(--transition-base);
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary Button - OpenAI Style */
.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn-primary:hover:not(:disabled) {
  box-shadow: var(--shadow-md), var(--glow-primary);
  transform: translateY(-2px);
}

.btn-primary:hover:not(:disabled)::before {
  opacity: 1;
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
  background-color: var(--color-bg-elevated);
  color: var(--color-text-primary);
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-bg-tertiary);
  border-color: var(--color-border-dark);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text-secondary);
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-primary);
}

/* Danger Button */
.btn-danger {
  background-color: var(--color-error);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-danger:hover:not(:disabled) {
  background-color: #dc2626;
  box-shadow: var(--shadow-md);
}

/* Button Sizes */
.btn-sm {
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

/* ===========================
   Card System
   =========================== */

.card {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-base);
  overflow: hidden;
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.card-body {
  padding: var(--space-lg);
}

.card-footer {
  padding: var(--space-lg);
  background-color: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
}

/* Stats Card - Tesla/OpenAI Style */
.card-stat {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  box-shadow: var(--shadow-base);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.card-stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.card-stat::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(16, 163, 127, 0.05), transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

[data-theme="dark"] .card-stat {
  background: rgba(26, 26, 26, 0.8);
  border-color: rgba(38, 38, 38, 1);
}

.card-stat:hover {
  box-shadow: var(--shadow-lg), var(--glow-primary);
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

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

.card-stat:hover::after {
  opacity: 1;
}

/* ===========================
   Form Controls
   =========================== */

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

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  line-height: 1.25rem;
  color: var(--color-text-primary);
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

/* ===========================
   Badge System
   =========================== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1rem;
}

.badge-primary {
  background-color: rgba(99, 102, 241, 0.1);
  color: var(--color-primary);
}

.badge-success {
  background-color: var(--color-success-bg);
  color: var(--color-success-text);
}

.badge-error {
  background-color: var(--color-error-bg);
  color: var(--color-error-text);
}

.badge-warning {
  background-color: var(--color-warning-bg);
  color: var(--color-warning-text);
}

.badge-info {
  background-color: var(--color-info-bg);
  color: var(--color-info-text);
}

/* ===========================
   Alert System
   =========================== */

.alert {
  display: flex;
  padding: var(--space-md);
  border-radius: var(--radius-md);
  border: 1px solid;
  margin-bottom: var(--space-md);
}

.alert-success {
  background-color: var(--color-success-bg);
  border-color: var(--color-success-border);
  color: var(--color-success-text);
}

.alert-error {
  background-color: var(--color-error-bg);
  border-color: var(--color-error-border);
  color: var(--color-error-text);
}

.alert-warning {
  background-color: var(--color-warning-bg);
  border-color: var(--color-warning-border);
  color: var(--color-warning-text);
}

.alert-info {
  background-color: var(--color-info-bg);
  border-color: var(--color-info-border);
  color: var(--color-info-text);
}

/* ===========================
   Navigation - Sleek Modern
   =========================== */

.nav {
  background: rgba(250, 250, 250, 0.8);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
}

[data-theme="dark"] .nav {
  background: rgba(10, 10, 10, 0.8);
  border-bottom-color: rgba(38, 38, 38, 1);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  border-bottom: 2px solid transparent;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  letter-spacing: -0.01em;
}

.nav-link:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
}

/* ===========================
   Theme Toggle
   =========================== */

.theme-toggle {
  position: relative;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  overflow: hidden;
}

.theme-toggle:hover {
  transform: translateY(-1px);
}

.theme-toggle:active {
  transform: translateY(0);
}

.theme-icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
  position: relative;
  z-index: 1;
}

.theme-toggle:hover .theme-icon {
  transform: rotate(15deg) scale(1.1);
  color: var(--color-primary);
}

/* ===========================
   Gradient Elements
   =========================== */

.gradient-primary {
  background: var(--gradient-primary);
}

.gradient-secondary {
  background: var(--gradient-secondary);
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  letter-spacing: -0.03em;
  position: relative;
}

[data-theme="dark"] .gradient-text {
  filter: brightness(1.2);
}

/* ===========================
   Utility Classes
   =========================== */

.container {
  max-width: 80rem;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-base); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

.border { border: 1px solid var(--color-border); }
.border-t { border-top: 1px solid var(--color-border); }
.border-b { border-bottom: 1px solid var(--color-border); }

/* Visibility */
.hidden {
  display: none;
}

.invisible {
  visibility: hidden;
}

/* ===========================
   Animations
   =========================== */

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { transform: translateX(-10px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes textShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.animate-fade-in {
  animation: fadeIn var(--transition-slow) ease-out;
}

.animate-slide-in {
  animation: slideIn var(--transition-slow) ease-out;
}

.text-shimmer {
  background: linear-gradient(100deg, 
    var(--color-text-secondary) 20%, 
    var(--color-text-primary) 50%, 
    var(--color-text-secondary) 80%
  );
  background-size: 200% auto;
  color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: textShimmer 2s linear infinite;
  display: inline-block;
}

/* ===========================
   Responsive Design
   =========================== */

@media (max-width: 640px) {
  :root {
    --space-lg: 1rem;
    --space-xl: 1.5rem;
  }
  
  .card-body,
  .card-header,
  .card-footer {
    padding: var(--space-md);
  }
}

/* ===========================
   Smooth Transitions
   =========================== */

* {
  transition-property: background-color, border-color, color, fill, stroke;
  transition-duration: var(--transition-base);
  transition-timing-function: ease-in-out;
}

/* But disable transitions on theme changes for instant feedback */
html.theme-transitioning * {
  transition: none !important;
}

/* ===========================
   Modal System - Biomersive Custom Modals
   =========================== */

/* Modal Backdrop */
.bb-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.bb-modal-backdrop.bb-modal-visible {
  opacity: 1;
}

/* Modal Container */
.bb-modal {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-slow);
}

.bb-modal-backdrop.bb-modal-visible .bb-modal {
  transform: translateY(0);
}

/* Modal with structured sections needs more width */
.bb-modal.bb-modal-large {
  max-width: 800px;
}

/* Type-specific top border accent */
.bb-modal::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.bb-modal-success::before {
  background: var(--gradient-primary);
}

.bb-modal-error::before {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.bb-modal-warning::before {
  background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.bb-modal-info::before {
  background: var(--gradient-accent);
}

/* Modal Header */
.bb-modal-header {
  padding: var(--space-xl);
  padding-bottom: var(--space-lg);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.bb-modal-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bb-modal-icon-success {
  background: rgba(16, 163, 127, 0.1);
  color: var(--color-primary);
}

.bb-modal-icon-error {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.bb-modal-icon-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.bb-modal-icon-info {
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-accent);
}

.bb-modal-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.bb-modal-title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.3;
}

/* Modal Body */
.bb-modal-body {
  padding: 0 var(--space-xl);
  padding-bottom: var(--space-lg);
}

.bb-modal-message {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Structured Sections */
.bb-modal-sections {
  margin-top: var(--space-lg);
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: grid;
  gap: var(--space-md);
}

.bb-modal-section {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.bb-modal-section-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.bb-modal-section-value {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-primary);
  line-height: 1.5;
}

/* Modal Footer */
.bb-modal-footer {
  padding: var(--space-lg) var(--space-xl);
  padding-top: 0;
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* Modal Buttons */
.bb-modal-btn {
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-base);
  min-width: 100px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.bb-modal-btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-sm);
}

.bb-modal-btn-primary:hover {
  box-shadow: var(--shadow-md), var(--glow-primary);
  transform: translateY(-1px);
}

.bb-modal-btn-secondary {
  background-color: var(--color-bg-elevated);
  color: var(--color-text-primary);
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.bb-modal-btn-secondary:hover {
  background-color: var(--color-bg-tertiary);
  border-color: var(--color-border-dark);
}

.bb-modal-btn-danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  color: white;
  box-shadow: var(--shadow-sm);
}

.bb-modal-btn-danger:hover {
  box-shadow: var(--shadow-md), 0 0 20px rgba(239, 68, 68, 0.3);
  transform: translateY(-1px);
}

.bb-modal-btn:active {
  transform: translateY(0);
}

.bb-modal-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Responsive Design */
@media (max-width: 640px) {
  .bb-modal {
    max-width: 100%;
    margin: 0;
    border-radius: var(--radius-lg);
  }
  
  .bb-modal-header {
    padding: var(--space-lg);
    padding-bottom: var(--space-md);
  }
  
  .bb-modal-body {
    padding: 0 var(--space-lg);
    padding-bottom: var(--space-md);
  }
  
  .bb-modal-footer {
    padding: var(--space-md) var(--space-lg);
    padding-top: 0;
    flex-direction: column;
  }
  
  .bb-modal-btn {
    width: 100%;
    min-height: 44px;
  }
  
  .bb-modal-sections {
    grid-template-columns: 1fr;
  }
}

/* Dark mode specific adjustments */
[data-theme="dark"] .bb-modal-backdrop {
  background-color: rgba(0, 0, 0, 0.7);
}

[data-theme="dark"] .bb-modal {
  background-color: rgba(26, 26, 26, 0.98);
  border-color: rgba(38, 38, 38, 1);
}

/* ===========================
   Admin Impersonation Banner
   =========================== */

.impersonation-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 9999;
  background: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
  color: #ffffff;
  padding: 0.75rem 1rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border-bottom: 2px solid rgba(255, 255, 255, 0.2);
  animation: slideDown 0.3s ease-out;
  overflow: hidden;
}

.impersonation-banner-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.impersonation-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.impersonation-icon {
  width: 1.5rem;
  height: 1.5rem;
  min-width: 1.5rem;
  min-height: 1.5rem;
  max-width: 1.5rem;
  max-height: 1.5rem;
  flex-shrink: 0;
  stroke-width: 2.5;
  display: block;
}

.impersonation-text {
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.impersonation-text strong {
  font-weight: 700;
}

.impersonation-form {
  margin: 0;
  padding: 0;
}

.impersonation-exit-btn {
  background: rgba(255, 255, 255, 0.95);
  color: #f59e0b;
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base) ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.impersonation-exit-btn:hover {
  background: #ffffff;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}

.impersonation-exit-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Slide down animation */
@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Push content down when banner is visible */
body:has(.impersonation-banner) {
  padding-top: 3.5rem;
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .impersonation-banner {
    padding: 0.625rem 1rem;
  }
  
  .impersonation-banner-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  
  .impersonation-text {
    font-size: 0.875rem;
  }
  
  .impersonation-exit-btn {
    padding: 0.375rem 1rem;
    font-size: 0.8125rem;
    width: 100%;
  }
  
  body:has(.impersonation-banner) {
    padding-top: 5rem;
  }
}