/* ==========================================================================
   LIQUID GLASS DESIGN SYSTEM (iOS 26 / macOS Tahoe Inspired)
   Pure modern CSS with tokens, refraction highlights, and full a11y fallbacks
   ========================================================================== */

/* --- Self-Hosted Fonts --- */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/fonts/inter-latin-400-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/inter-latin-500-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('/fonts/inter-latin-600-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/fonts/inter-latin-700-normal.woff2') format('woff2');
}

/* --- Design Tokens & Variables --- */
:root {
  /* Default Vivid Accent: Electric Cyan / Sky */
  --accent: #38bdf8;
  --accent-rgb: 56, 189, 248;
  --accent-glow: rgba(56, 189, 248, 0.4);

  /* Liquid Glass Surfaces */
  --glass-bg: color-mix(in srgb, var(--accent) 6%, rgba(18, 20, 28, 0.68));
  --glass-bg-hover: color-mix(in srgb, var(--accent) 10%, rgba(24, 27, 38, 0.78));
  --glass-bg-active: color-mix(in srgb, var(--accent) 15%, rgba(15, 17, 24, 0.85));
  --glass-border: rgba(255, 255, 255, 0.16);
  --glass-border-hover: color-mix(in srgb, var(--accent) 40%, rgba(255, 255, 255, 0.35));
  --glass-inner-highlight: inset 0 1px 0 rgba(255, 255, 255, 0.45);
  --glass-shadow: 0 16px 40px -10px rgba(0, 0, 0, 0.55), 0 2px 10px -2px rgba(0, 0, 0, 0.35);
  --glass-shadow-hover: 0 22px 50px -12px rgba(0, 0, 0, 0.7), 0 0 32px -4px var(--accent-glow);
  --glass-blur: blur(20px) saturate(180%);

  /* Neutral Typography & Scrims */
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-on-accent: #040810;
  --scrim-dark: rgba(6, 9, 15, 0.45);

  /* Geometry */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 9999px;

  /* Motion Tokens (Snappy spring-deceleration feel) */
  --motion-instant: 60ms cubic-bezier(0.22, 1, 0.36, 1);
  --motion-fast: 140ms cubic-bezier(0.22, 1, 0.36, 1);
  --motion-base: 200ms cubic-bezier(0.22, 1, 0.36, 1);
  --motion-smooth: 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* --- Base Reset & Typography --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  color: var(--text-main);
  background-color: #08090d;
  min-height: 100%;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
  line-height: 1.6;
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Headings with tight tracking */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  letter-spacing: -0.025em;
  font-weight: 700;
  line-height: 1.25;
}

h1 { font-size: clamp(2rem, 4vw, 3.25rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: 1.25rem; }

p {
  color: var(--text-muted);
  line-height: 1.65;
}

/* --- Rich Background Layer (Aurora Mesh + Texture) --- */
.aurora-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  background: radial-gradient(circle at 50% 10%, #111422 0%, #07080d 100%);
}

.aurora-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  will-change: transform;
}

.aurora-blob-1 {
  width: 520px;
  height: 520px;
  top: -100px;
  left: 15%;
  background: radial-gradient(circle, var(--accent) 0%, rgba(56, 189, 248, 0.1) 70%, transparent 100%);
  animation: aurora-float-1 18s ease-in-out infinite alternate;
}

.aurora-blob-2 {
  width: 600px;
  height: 600px;
  top: 30%;
  right: -80px;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 60%, #8b5cf6) 0%, rgba(139, 92, 246, 0.08) 70%, transparent 100%);
  animation: aurora-float-2 22s ease-in-out infinite alternate;
}

.aurora-blob-3 {
  width: 480px;
  height: 480px;
  bottom: -60px;
  left: 20%;
  background: radial-gradient(circle, #3b82f6 0%, rgba(59, 130, 246, 0.1) 70%, transparent 100%);
  animation: aurora-float-3 20s ease-in-out infinite alternate;
}

/* Subtle background noise layer to enhance refraction */
.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.035;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

@keyframes aurora-float-1 {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  50%  { transform: translate3d(80px, 60px, 0) scale(1.12); }
  100% { transform: translate3d(-40px, 120px, 0) scale(0.95); }
}

@keyframes aurora-float-2 {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  50%  { transform: translate3d(-100px, -40px, 0) scale(1.15); }
  100% { transform: translate3d(-60px, 80px, 0) scale(0.92); }
}

@keyframes aurora-float-3 {
  0%   { transform: translate3d(0, 0, 0) scale(1); }
  50%  { transform: translate3d(60px, -80px, 0) scale(1.08); }
  100% { transform: translate3d(-70px, -40px, 0) scale(1.02); }
}

/* --- Glass Primitives --- */

/* 1. Core Glass Panel */
.glass-panel {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-inner-highlight), var(--glass-shadow);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  color: var(--text-main);
  transition: transform var(--motion-fast), box-shadow var(--motion-fast), border-color var(--motion-fast), background var(--motion-fast);
  overflow: hidden;
}

/* Specular highlight bar along top edge (refraction light catch) */
.glass-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 5%;
  right: 5%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.6) 50%, transparent 100%);
  pointer-events: none;
  opacity: 0.85;
  transition: opacity var(--motion-fast);
}

.glass-panel:hover {
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-inner-highlight), var(--glass-shadow-hover);
}

.glass-panel-interactive:hover {
  transform: translateY(-2px);
}

.glass-panel-interactive:active {
  transform: scale(0.985);
  transition-duration: var(--motion-instant);
}

/* Dark scrim under busy text when needed for WCAG AA 4.5:1 */
.scrim-text {
  background: var(--scrim-dark);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  display: inline-block;
}

/* 2. Glass Pill Button */
.glass-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-inner-highlight), 0 4px 16px -2px rgba(0, 0, 0, 0.4);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.925rem;
  text-align: center;
  cursor: pointer;
  outline: none;
  transition: transform var(--motion-fast), box-shadow var(--motion-fast), border-color var(--motion-fast), background var(--motion-fast);
  user-select: none;
}

.glass-pill::before {
  content: '';
  position: absolute;
  top: 0;
  left: 15%;
  right: 15%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.7) 50%, transparent 100%);
  pointer-events: none;
}

.glass-pill:hover {
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-hover);
  box-shadow: var(--glass-inner-highlight), 0 8px 24px -4px var(--accent-glow);
  transform: translateY(-2px);
}

.glass-pill:active {
  transform: scale(0.97);
  background: var(--glass-bg-active);
  transition-duration: var(--motion-instant);
}

/* Primary Accent Fill Button */
.glass-btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, color-mix(in srgb, var(--accent) 75%, #1e40af) 100%);
  color: var(--text-on-accent);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6), 0 8px 24px -4px var(--accent-glow);
  font-weight: 700;
}

.glass-btn-primary:hover {
  background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 90%, #ffffff) 0%, var(--accent) 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8), 0 12px 32px -4px var(--accent-glow);
  transform: translateY(-2px);
}

.glass-btn-primary:active {
  transform: scale(0.97);
  transition-duration: var(--motion-instant);
}

/* Secondary Button */
.glass-btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text-main);
}

.glass-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

/* 3. Glass Form Inputs */
.glass-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin-bottom: 1.25rem;
}

.glass-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: -0.01em;
}

.glass-label-sub {
  font-size: 0.775rem;
  color: var(--text-muted);
  font-weight: 400;
}

.glass-input {
  width: 100%;
  padding: 0.8rem 1.1rem;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-main);
  background: rgba(12, 14, 20, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4);
  outline: none;
  transition: border-color var(--motion-fast), box-shadow var(--motion-fast), background var(--motion-fast);
}

.glass-input::placeholder {
  color: var(--text-dim);
}

.glass-input:hover {
  border-color: rgba(255, 255, 255, 0.28);
}

.glass-input:focus {
  border-color: var(--accent);
  background: rgba(16, 19, 28, 0.75);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.3), 0 0 0 3px var(--accent-glow);
}

/* Keyboard focus accessible indicator */
*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* 4. Glass Toggle Switch */
.glass-toggle-wrap {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  cursor: pointer;
  user-select: none;
}

.glass-toggle {
  position: relative;
  width: 52px;
  height: 30px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-pill);
  transition: background var(--motion-base), border-color var(--motion-base);
}

.glass-toggle-thumb {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 22px;
  height: 22px;
  background: #ffffff;
  border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
  transition: transform var(--motion-base), width var(--motion-fast);
}

.glass-toggle-wrap input[type="checkbox"] {
  display: none;
}

.glass-toggle-wrap input[type="checkbox"]:checked + .glass-toggle {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
}

.glass-toggle-wrap input[type="checkbox"]:checked + .glass-toggle .glass-toggle-thumb {
  transform: translateX(22px);
  background: #ffffff;
}

.glass-toggle-wrap:active .glass-toggle-thumb {
  width: 26px; /* tactile squish micro-interaction */
}

/* 5. Glass Badge */
.glass-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--accent) 12%, rgba(255, 255, 255, 0.05));
  border: 1px solid color-mix(in srgb, var(--accent) 35%, rgba(255, 255, 255, 0.15));
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.glass-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

/* 6. Solid QR Code Frame Container (Strict Requirement: QR on pure solid white) */
.glass-qr-frame {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-inner-highlight), var(--glass-shadow);
}

.solid-qr-card {
  background: #ffffff;
  padding: 1rem;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 7. Live Digital Business Card Component */
.vcard-preview-card {
  width: 100%;
  max-width: 420px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-inner-highlight), var(--glass-shadow);
  border-radius: var(--radius-xl);
  padding: 2.25rem 1.75rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform var(--motion-base), box-shadow var(--motion-base);
}

.vcard-avatar-wrap {
  position: relative;
  width: 104px;
  height: 104px;
  margin: 0 auto 1.25rem;
}

.vcard-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.6), 0 0 24px var(--accent-glow);
}

.vcard-name {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.vcard-role {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}

.vcard-company {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 0.85rem;
}

.vcard-tagline {
  font-size: 0.875rem;
  color: var(--text-main);
  background: rgba(0, 0, 0, 0.28);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.9rem;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.vcard-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.vcard-socials-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.vcard-social-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  transition: transform var(--motion-fast), background var(--motion-fast), border-color var(--motion-fast);
}

.vcard-social-icon:hover {
  background: color-mix(in srgb, var(--accent) 30%, rgba(255, 255, 255, 0.1));
  border-color: var(--accent);
  transform: translateY(-2px) scale(1.08);
  box-shadow: 0 0 16px var(--accent-glow);
}

/* 8. Light Sweep Rotating Glow (Success Page) */
@keyframes light-sweep {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.glass-sweep-wrap {
  position: relative;
  padding: 2px;
  border-radius: calc(var(--radius-lg) + 2px);
  overflow: hidden;
  display: inline-block;
}

.glass-sweep-wrap::before {
  content: '';
  position: absolute;
  inset: -100%;
  background: conic-gradient(from 0deg, transparent 0 300deg, var(--accent) 340deg, #ffffff 360deg);
  animation: light-sweep 4s linear infinite;
}

.glass-sweep-content {
  position: relative;
  background: rgba(14, 16, 24, 0.94);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  z-index: 1;
}

/* 9. Entrance Animations (snappy GPU-accelerated reveal) */
.glass-enter {
  opacity: 0;
  transform: translate3d(0, 10px, 0) scale(0.992);
  animation: glassEnter var(--motion-smooth) forwards;
}

.delay-1 { animation-delay: 25ms; }
.delay-2 { animation-delay: 55ms; }
.delay-3 { animation-delay: 85ms; }
.delay-4 { animation-delay: 115ms; }
.delay-5 { animation-delay: 145ms; }

@keyframes glassEnter {
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

@keyframes rowSlideIn {
  from {
    opacity: 0;
    transform: translate3d(0, 8px, 0) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

.anim-row-in {
  animation: rowSlideIn var(--motion-base) forwards;
}

/* 10. Sticky Glass Navigation */
.glass-nav {
  position: sticky;
  top: 0.75rem;
  z-index: 50;
  max-width: 1200px;
  margin: 0.75rem auto 0;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--accent) 4%, rgba(14, 16, 24, 0.72));
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-inner-highlight), 0 12px 32px -8px rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.glass-nav-wrap {
  padding: 0 1rem;
}

.glass-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.glass-brand-icon {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--accent) 0%, color-mix(in srgb, var(--accent) 55%, #1e3a8a) 100%);
  border: 1px solid rgba(255, 255, 255, 0.35);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: color-mix(in srgb, var(--accent) 76%, #0f172a);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55), 0 0 18px var(--accent-glow);
}

.glass-nav-links {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: nowrap;
}

/* Mobile Navigation Hamburger & Dropdown */
.glass-nav-mobile {
  display: none;
}

.glass-nav-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text-main);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--motion-fast), border-color var(--motion-fast);
}

.glass-nav-toggle-btn::-webkit-details-marker {
  display: none;
}

.glass-nav-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.28);
}

.glass-nav-mobile[open] .glass-nav-toggle-btn {
  background: rgba(255, 255, 255, 0.18);
  border-color: var(--accent);
}

.glass-nav-mobile .icon-menu-open {
  display: block;
}

.glass-nav-mobile .icon-menu-close {
  display: none;
}

.glass-nav-mobile[open] .icon-menu-open {
  display: none;
}

.glass-nav-mobile[open] .icon-menu-close {
  display: block;
}

.glass-nav-mobile-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  width: min(calc(100vw - 2rem), 280px);
  padding: 0.65rem;
  background: rgba(14, 18, 30, 0.94);
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  z-index: 1000;
  animation: glassEnter 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.glass-mobile-nav-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 0.85rem;
  min-height: 44px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-main);
  background: transparent;
  transition: background var(--motion-fast), color var(--motion-fast);
}

.glass-mobile-nav-item:hover,
.glass-mobile-nav-item:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  color: var(--accent);
}

.glass-mobile-nav-logout {
  color: #f87171 !important;
}

.glass-mobile-nav-logout:hover {
  background: rgba(239, 68, 68, 0.12) !important;
}

@media (max-width: 768px) {
  .glass-nav-links {
    display: none !important;
  }
  .glass-nav-mobile {
    display: block;
    position: relative;
  }
}

/* 11. Page Containers & Grids */
.page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 5rem;
}

.page-container-narrow {
  max-width: 520px;
  margin: 0 auto;
  padding: 3.5rem 1.25rem 5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  margin-top: 1.5rem;
}

@media (min-width: 920px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 3.5rem;
  }
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 4rem;
}

.two-col-editor {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

@media (min-width: 960px) {
  .two-col-editor {
    grid-template-columns: 1.15fr 0.85fr;
  }
  .sticky-preview {
    position: sticky;
    top: 5.5rem;
  }
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 600px) {
  .form-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

/* 12. Alerts & Status Banners */
.glass-alert {
  padding: 0.9rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(18, 20, 28, 0.85);
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  color: var(--text-main);
}

.glass-alert-error {
  background: rgba(244, 63, 94, 0.14);
  border-color: rgba(244, 63, 94, 0.45);
  color: #fecdd3;
}

.glass-alert-success {
  background: rgba(16, 185, 129, 0.14);
  border-color: rgba(16, 185, 129, 0.45);
  color: #d1fae5;
}

/* 13. Glass Step Dots & Accent Swatches */
.step-dots {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.step-dot {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: all var(--motion-fast);
}

.step-dot.is-active {
  color: var(--text-main);
  background: color-mix(in srgb, var(--accent) 22%, rgba(18, 20, 28, 0.8));
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
}

.accent-swatch-row {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.accent-radio-label {
  cursor: pointer;
  position: relative;
  display: inline-flex;
  align-items: center;
}

.accent-radio-label input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.accent-swatch-circle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.35);
  transition: transform var(--motion-fast), box-shadow var(--motion-fast);
  display: inline-block;
}

.accent-radio-label input:checked + .accent-swatch-circle {
  transform: scale(1.15);
  border-color: #ffffff;
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.accent-radio-label input:focus-visible + .accent-swatch-circle {
  outline: 2px solid #ffffff;
  outline-offset: 3px;
}

/* 14. Toast Notification */
.glass-toast {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 100;
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--accent) 18%, rgba(16, 18, 26, 0.92));
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--accent);
  box-shadow: var(--glass-shadow), 0 0 24px var(--accent-glow);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.875rem;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity var(--motion-fast), transform var(--motion-fast);
}

.glass-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Availability Feedback Text */
.availability-hint {
  font-size: 0.8rem;
  margin-top: 0.3rem;
  min-height: 1.2em;
}
.availability-ok { color: #34d399; }
.availability-err { color: #fda4af; }

.glass-input.is-invalid {
  border-color: rgba(244, 63, 94, 0.75);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.3), 0 0 0 3px rgba(244, 63, 94, 0.28);
}

/* 15. Liquid Glass File Upload Input */
.glass-file-input {
  width: 100%;
  padding: 0.42rem 0.65rem;
  font-family: inherit;
  font-size: 0.85rem;
  color: var(--text-muted);
  background: rgba(12, 14, 20, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.4);
  cursor: pointer;
  transition: border-color var(--motion-fast), box-shadow var(--motion-fast);
}

.glass-file-input:hover {
  border-color: rgba(255, 255, 255, 0.28);
}

.glass-file-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.3), 0 0 0 3px var(--accent-glow);
}

.glass-file-input::file-selector-button {
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
  background: color-mix(in srgb, var(--accent) 18%, rgba(255, 255, 255, 0.08));
  border: 1px solid color-mix(in srgb, var(--accent) 42%, rgba(255, 255, 255, 0.24));
  border-radius: var(--radius-pill);
  padding: 0.4rem 0.95rem;
  margin-right: 0.75rem;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 4px 12px rgba(0, 0, 0, 0.35);
  transition: background var(--motion-fast), border-color var(--motion-fast), transform var(--motion-fast), box-shadow var(--motion-fast);
}

.glass-file-input::file-selector-button:hover {
  background: color-mix(in srgb, var(--accent) 32%, rgba(255, 255, 255, 0.14));
  border-color: var(--accent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6), 0 0 16px var(--accent-glow);
}

.glass-file-input::file-selector-button:active {
  transform: scale(0.97);
}

/* ==========================================================================
   16. Owner Editor Dashboard Layout & Social Drag List
   ========================================================================== */
.editor-page-shell {
  max-width: 1380px;
  margin: 0 auto;
  padding: 2rem clamp(1rem, 3vw, 2.25rem) 4rem;
}

.editor-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}

.editor-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (min-width: 900px) {
  .editor-layout {
    grid-template-columns: 264px minmax(0, 1fr);
  }
}

@media (min-width: 1220px) {
  .editor-layout {
    grid-template-columns: 264px minmax(0, 1fr) 360px;
  }
}

.editor-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  padding: 1.35rem;
}

@media (min-width: 900px) {
  .editor-sidebar {
    position: sticky;
    top: 5.5rem;
  }
}

.editor-nav-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.editor-nav-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin: 0.25rem 0 0.35rem 0.5rem;
}

.editor-nav-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  transition: background var(--motion-fast), border-color var(--motion-fast), color var(--motion-fast), transform var(--motion-fast);
}

.editor-nav-link:hover,
.editor-nav-link:focus-visible {
  color: var(--text-main);
  background: color-mix(in srgb, var(--accent) 14%, rgba(255, 255, 255, 0.06));
  border-color: color-mix(in srgb, var(--accent) 42%, rgba(255, 255, 255, 0.16));
  transform: translateX(2px);
}

.editor-qr-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  padding: 0.4rem 0;
}

.editor-qr-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
}

.editor-qr-btn {
  width: 100%;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.78rem;
  line-height: 1.25;
  white-space: nowrap;
}

.editor-main-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 0;
}

.editor-section-panel {
  scroll-margin-top: 5.5rem;
}

.editor-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.editor-section-head h2 {
  font-size: 1.15rem;
  margin: 0;
}

.editor-preview-col {
  min-width: 0;
}

@media (min-width: 1220px) {
  .editor-preview-col {
    position: sticky;
    top: 5.5rem;
  }
}

/* Avatar Upload Zone & Ripple Micro-Interaction */
.avatar-upload-zone {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.avatar-ripple-ring {
  position: relative;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  flex-shrink: 0;
}

.avatar-ripple-ring img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.38);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.45);
}

@keyframes avatarRipple {
  0% {
    transform: scale(0.95);
    opacity: 0.85;
  }
  100% {
    transform: scale(1.42);
    opacity: 0;
  }
}

.avatar-upload-ripple.is-rippling::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  box-shadow: 0 0 18px var(--accent-glow);
  pointer-events: none;
  animation: avatarRipple 700ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* Reorderable Social Drag List */
.social-drag-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.social-drag-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  background: rgba(14, 17, 25, 0.58);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition: transform var(--motion-fast), border-color var(--motion-fast), background var(--motion-fast), box-shadow var(--motion-fast), opacity var(--motion-fast);
}

.social-drag-row:hover {
  border-color: rgba(255, 255, 255, 0.28);
}

.social-drag-row.is-dragging {
  opacity: 0.45;
  transform: scale(0.985);
  border-color: var(--accent);
  box-shadow: 0 0 22px var(--accent-glow);
}

.social-drag-row.is-drag-over {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 16%, rgba(18, 22, 34, 0.82));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 0 18px var(--accent-glow);
}

.social-drag-handle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 36px;
  color: var(--text-dim);
  cursor: grab;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
}

.social-drag-handle:active {
  cursor: grabbing;
  color: var(--accent);
}

.social-platform-badge {
  min-width: 96px;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text-main);
  flex-shrink: 0;
}

.social-move-controls {
  display: inline-flex;
  gap: 0.25rem;
  flex-shrink: 0;
}

.social-move-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--motion-fast), border-color var(--motion-fast), color var(--motion-fast);
}

.social-move-btn:hover:not(:disabled) {
  color: var(--text-main);
  background: color-mix(in srgb, var(--accent) 22%, rgba(255, 255, 255, 0.08));
  border-color: var(--accent);
}

.social-move-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

@media (max-width: 580px) {
  .social-drag-row {
    flex-wrap: wrap;
  }
  .social-drag-row .glass-input {
    order: 3;
    flex-basis: 100%;
  }
  .social-platform-badge {
    flex: 1;
  }
}

.glass-btn-danger {
  background: rgba(244, 63, 94, 0.14);
  border: 1px solid rgba(244, 63, 94, 0.42);
  color: #fecdd3;
}

.glass-btn-danger:hover {
  background: rgba(244, 63, 94, 0.26);
  border-color: rgba(244, 63, 94, 0.72);
  transform: translateY(-2px);
}

.editor-sticky-save {
  position: sticky;
  bottom: 1rem;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-lg);
  background: rgba(14, 17, 26, 0.86);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: var(--glass-inner-highlight), var(--glass-shadow);
}

/* ==========================================================================
   17. Master Admin Dashboard, KPI Tiles, Data Table & Glass Modal
   ========================================================================== */
.master-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(205px, 1fr));
  gap: 1.15rem;
  margin-bottom: 1.75rem;
}

.master-kpi-card {
  position: relative;
  padding: 1.35rem 1.45rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.master-kpi-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.master-kpi-value {
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
  line-height: 1.1;
}

.master-kpi-sub {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.master-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.master-search-form {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex: 1;
  min-width: 260px;
  flex-wrap: wrap;
}

.master-filter-pills {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.master-filter-pill {
  padding: 0.45rem 0.9rem;
  font-size: 0.8rem;
}

.master-filter-pill.is-active {
  background: color-mix(in srgb, var(--accent) 26%, rgba(16, 20, 30, 0.85));
  border-color: var(--accent);
  color: var(--text-main);
  box-shadow: 0 0 14px var(--accent-glow);
}

.master-table-wrap {
  padding: 0.5rem;
  overflow-x: auto;
}

.master-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  text-align: left;
  min-width: 780px;
}

.master-table th {
  padding: 0.9rem 1rem;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.master-table td {
  padding: 0.95rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  vertical-align: middle;
}

.master-table tbody tr {
  transition: background var(--motion-fast);
}

.master-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.04);
}

.master-table tbody tr:last-child td {
  border-bottom: none;
}

.master-user-cell {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.master-mini-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  flex-shrink: 0;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.status-pill-active {
  background: rgba(16, 185, 129, 0.16);
  border: 1px solid rgba(16, 185, 129, 0.45);
  color: #a7f3d0;
}

.status-pill-suspended {
  background: rgba(244, 63, 94, 0.16);
  border: 1px solid rgba(244, 63, 94, 0.45);
  color: #fecdd3;
}

.status-pill-master {
  background: rgba(56, 189, 248, 0.18);
  border: 1px solid rgba(56, 189, 248, 0.48);
  color: #bae6fd;
}

.status-pill-neutral {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text-muted);
}

.master-actions-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-wrap: wrap;
}

.master-action-btn {
  padding: 0.38rem 0.75rem;
  font-size: 0.78rem;
}

.master-pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
  padding: 0.75rem 1.15rem;
}

.glass-select {
  color-scheme: dark;
}

.glass-select option {
  background: #0f121a;
  color: #f8fafc;
}

.master-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}

@media (min-width: 960px) {
  .master-detail-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.85fr);
  }
}

/* Native HTML5 Dialog Glass Confirmation Modal */
.glass-modal {
  margin: auto;
  padding: 1.75rem;
  max-width: 440px;
  width: calc(100% - 2rem);
  color: var(--text-main);
  background: rgba(16, 19, 28, 0.9);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-inner-highlight), 0 28px 64px rgba(0, 0, 0, 0.78);
}

.glass-modal::backdrop {
  background: rgba(5, 7, 12, 0.72);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.glass-modal[open] {
  animation: glassEnter var(--motion-fast) forwards;
}

/* ==========================================================================
   WORKSPACE TABS, MULTI-PHONE, EXTRA SOCIALS & PRIVATE VAULT SYSTEM
   ========================================================================== */

.workspace-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem;
  border-radius: var(--radius-pill);
  background: rgba(12, 15, 24, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.workspace-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.48rem 0.95rem;
  border-radius: var(--radius-pill);
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: background var(--motion-fast), color var(--motion-fast), transform var(--motion-fast), box-shadow var(--motion-fast);
}

.workspace-tab:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.06);
}

.workspace-tab.is-active {
  background: linear-gradient(135deg, var(--accent) 0%, color-mix(in srgb, var(--accent) 70%, #1e40af) 100%);
  color: var(--text-on-accent);
  font-weight: 700;
  box-shadow: 0 4px 14px -2px var(--accent-glow);
}

/* Dynamic Multi-Row Builders (Editor & Vault) */
.dynamic-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.dynamic-row {
  padding: 0.85rem 0.95rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.11);
  transition: border-color var(--motion-fast), background var(--motion-fast), transform var(--motion-fast);
}

.dynamic-row:hover {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.055);
}

.dynamic-row-grid-phone {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
  align-items: center;
}

@media (min-width: 640px) {
  .dynamic-row-grid-phone {
    grid-template-columns: minmax(110px, 0.9fr) minmax(140px, 1.3fr) auto auto;
  }
}

.dynamic-row-grid-social {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
  align-items: center;
}

@media (min-width: 640px) {
  .dynamic-row-grid-social {
    grid-template-columns: minmax(130px, 1fr) minmax(110px, 0.9fr) minmax(160px, 1.4fr) auto;
  }
}

.compact-check-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
}

.icon-btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: 1px solid rgba(244, 63, 94, 0.28);
  background: rgba(244, 63, 94, 0.1);
  color: #fda4af;
  cursor: pointer;
  transition: transform var(--motion-fast), background var(--motion-fast), border-color var(--motion-fast);
}

.icon-btn-danger:hover {
  background: rgba(244, 63, 94, 0.24);
  border-color: rgba(244, 63, 94, 0.55);
  transform: scale(1.05);
}

/* Public Card Multi-Phone Directory & Extra Socials */
.vcard-phone-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  width: 100%;
  text-align: left;
  margin-top: 0.2rem;
}

.vcard-phone-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  flex-wrap: wrap;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: border-color var(--motion-fast), background var(--motion-fast), transform var(--motion-fast);
}

.vcard-phone-item:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, rgba(255, 255, 255, 0.25));
  background: rgba(255, 255, 255, 0.075);
  transform: translateY(-1px);
}

.vcard-phone-meta {
  min-width: 0;
  flex: 1 1 140px;
}

.vcard-phone-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

.vcard-phone-num {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  word-break: break-word;
}

.vcard-phone-btns {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.mini-action-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.34rem 0.62rem;
  border-radius: var(--radius-pill);
  font-size: 0.74rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  color: var(--text-main);
  cursor: pointer;
  transition: transform var(--motion-fast), background var(--motion-fast), border-color var(--motion-fast);
}

.mini-action-pill:hover {
  background: color-mix(in srgb, var(--accent) 22%, rgba(255, 255, 255, 0.1));
  border-color: var(--accent);
  transform: translateY(-1px);
}

.mini-action-pill-accent {
  background: color-mix(in srgb, var(--accent) 18%, rgba(14, 18, 28, 0.8));
  border-color: color-mix(in srgb, var(--accent) 55%, transparent);
  color: #e0f2fe;
}

.vcard-extra-socials {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.45rem;
  margin-top: 0.75rem;
}

.vcard-extra-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-main);
  cursor: pointer;
  transition: transform var(--motion-fast), border-color var(--motion-fast), background var(--motion-fast);
}

.vcard-extra-chip:hover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 16%, rgba(255, 255, 255, 0.08));
  transform: translateY(-1px);
}

/* Private Zero-Knowledge Vault UI */
.vault-shield-card {
  max-width: 520px;
  margin: 2rem auto 4rem;
  text-align: center;
}

.vault-shield-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 1.25rem;
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--accent) 16%, rgba(255, 255, 255, 0.05));
  border: 1px solid color-mix(in srgb, var(--accent) 45%, rgba(255, 255, 255, 0.18));
  color: var(--accent);
  box-shadow: 0 0 28px var(--accent-glow);
}

.vault-search-panel {
  padding: 1.15rem 1.35rem;
  margin-bottom: 1.5rem;
}

.vault-search-row {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  align-items: center;
}

.vault-search-input-wrap {
  position: relative;
  flex: 1 1 260px;
}

.vault-search-input-wrap svg {
  position: absolute;
  left: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  pointer-events: none;
}

.vault-search-input-wrap .glass-input {
  padding-left: 2.5rem;
}

.vault-filter-pills {
  display: flex;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.vault-filter-btn {
  padding: 0.34rem 0.78rem;
  border-radius: var(--radius-pill);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  cursor: pointer;
  transition: background var(--motion-fast), border-color var(--motion-fast), color var(--motion-fast), transform var(--motion-fast);
}

.vault-filter-btn:hover,
.vault-filter-btn.is-active {
  background: color-mix(in srgb, var(--accent) 20%, rgba(16, 20, 30, 0.9));
  border-color: var(--accent);
  color: var(--text-main);
}

.vault-search-results {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.vault-search-hit {
  display: block;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(10, 14, 24, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: transform var(--motion-fast), border-color var(--motion-fast), background var(--motion-fast);
}

.vault-search-hit:hover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, rgba(14, 18, 28, 0.92));
  transform: translateX(3px);
}

.vault-highlight {
  background: color-mix(in srgb, var(--accent) 36%, #facc15 24%);
  color: #ffffff;
  padding: 0 0.22rem;
  border-radius: 4px;
  font-weight: 700;
}

.vault-doc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 720px) {
  .vault-doc-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.vault-doc-card {
  padding: 1.15rem;
  border-radius: var(--radius-lg);
  background: rgba(14, 18, 28, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.14);
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  transition: border-color var(--motion-fast), transform var(--motion-fast), box-shadow var(--motion-fast);
}

.vault-doc-card:hover {
  border-color: color-mix(in srgb, var(--accent) 50%, rgba(255, 255, 255, 0.25));
  transform: translateY(-2px);
  box-shadow: 0 14px 32px -8px rgba(0, 0, 0, 0.6);
}

.vault-doc-thumb {
  width: 100%;
  height: 150px;
  border-radius: var(--radius-md);
  background: rgba(6, 9, 16, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.vault-doc-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vault-ocr-box {
  width: 100%;
  min-height: 76px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.45;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  background: rgba(6, 9, 16, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #cbd5e1;
  resize: vertical;
}

.vault-semester-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.14);
}

.vault-semester-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  align-items: center;
}

@media (min-width: 640px) {
  .vault-semester-grid {
    grid-template-columns: 1.1fr 0.8fr 0.8fr 1.2fr auto;
  }
}

.vault-chip-muted {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.22rem 0.55rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Responsive Top Navigation Polish */
@media (max-width: 640px) {
  .glass-nav {
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius-lg);
    gap: 0.65rem;
    flex-wrap: nowrap;
  }
  .workspace-switcher {
    width: 100%;
    justify-content: center;
  }
  .workspace-tab {
    flex: 1;
    justify-content: center;
    padding: 0.45rem 0.6rem;
    font-size: 0.8rem;
  }
}

/* ==========================================================================
   MANDATORY ACCESSIBILITY & FALLBACK SYSTEM
   ========================================================================== */

/* Fallback 1: No backdrop-filter support */
@supports not (backdrop-filter: blur(1px)) {
  .glass-panel,
  .glass-pill,
  .glass-nav,
  .glass-toast,
  .vcard-preview-card,
  .glass-qr-frame,
  .glass-file-input,
  .editor-sticky-save,
  .glass-modal {
    background: rgba(20, 22, 30, 0.94) !important;
    border: 1px solid rgba(255, 255, 255, 0.22) !important;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.6) !important;
  }
}

/* Fallback 2: Reduced Transparency */
@media (prefers-reduced-transparency: reduce) {
  .glass-panel,
  .glass-pill,
  .glass-nav,
  .glass-toast,
  .vcard-preview-card,
  .glass-qr-frame,
  .glass-input,
  .glass-file-input,
  .social-drag-row,
  .editor-sticky-save,
  .glass-modal {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    background: rgba(18, 20, 26, 0.97) !important;
  }
}

/* Fallback 3: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .aurora-blob {
    animation: none !important;
  }
  .glass-enter {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* Fallback 4: High Contrast Mode (Forced Colors) */
@media (forced-colors: active) {
  .glass-panel,
  .glass-pill,
  .glass-nav,
  .glass-toast,
  .vcard-preview-card,
  .glass-qr-frame,
  .glass-input,
  .social-drag-row,
  .editor-sticky-save,
  .glass-modal {
    background: Canvas !important;
    color: CanvasText !important;
    border: 2px solid ButtonBorder !important;
  }
  .glass-btn-primary {
    background: Highlight !important;
    color: HighlightText !important;
    border: 2px solid ButtonBorder !important;
  }
}

/* Mobile 60fps Optimization: mid-range mobile drops continuous animation to static gradient */
@media (max-width: 640px) {
  .aurora-blob {
    animation: none !important;
    filter: blur(60px);
  }
  .glass-panel {
    padding: 1.25rem;
  }
}

/* ==========================================================================
   Mobile Browser Viewport & Touch Optimization (<768px / <480px)
   ========================================================================== */

/* 1. iOS Safari Auto-Zoom Fix (<16px inputs cause viewport zoom on focus) */
@media (max-width: 768px) {
  input.glass-input,
  select.glass-select,
  textarea.glass-textarea,
  .glass-input,
  .glass-select,
  .glass-textarea,
  .username-prefix-box input {
    font-size: 16px !important;
  }
}

/* 2. Editor Mobile View Switcher & Ergonomics */
.editor-mobile-view-tabs {
  display: none;
}

@media (max-width: 900px) {
  .editor-mobile-view-tabs {
    display: flex;
    align-items: center;
    background: rgba(14, 18, 30, 0.78);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--radius-pill);
    padding: 0.28rem;
    margin-bottom: 1.15rem;
    gap: 0.35rem;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
  }

  .editor-mobile-tab {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.55rem 0.85rem;
    min-height: 42px;
    border-radius: var(--radius-pill);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: background var(--motion-fast), color var(--motion-fast), box-shadow var(--motion-fast);
  }

  .editor-mobile-tab.is-active {
    background: var(--accent);
    color: #ffffff;
    box-shadow: 0 4px 14px var(--accent-glow);
  }

  /* Toggle columns based on data-mobile-view */
  .editor-layout[data-mobile-view="edit"] .editor-preview-col {
    display: none !important;
  }

  .editor-layout[data-mobile-view="preview"] .editor-main-stack,
  .editor-layout[data-mobile-view="preview"] .editor-sidebar {
    display: none !important;
  }

  .editor-layout[data-mobile-view="preview"] .editor-preview-col {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    width: 100%;
    position: static;
  }

  /* Mobile Editor Sidebar as Horizontal Pill Scroller */
  .editor-sidebar {
    padding: 0.65rem 0.85rem;
    position: static;
    margin-bottom: 1rem;
    border-radius: var(--radius-lg);
  }

  .editor-sidebar .editor-nav-group:first-child {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.25rem;
  }

  .editor-sidebar .editor-nav-group:first-child::-webkit-scrollbar {
    display: none;
  }

  .editor-sidebar .editor-nav-title {
    display: none;
  }

  .editor-sidebar .editor-nav-link {
    white-space: nowrap;
    padding: 0.45rem 0.85rem;
    font-size: 0.82rem;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    flex-shrink: 0;
  }

  .editor-sidebar hr,
  .editor-sidebar .editor-nav-group:last-child {
    display: none;
  }

  /* Mobile Sticky Save Bar */
  .editor-sticky-save {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    border-radius: 18px 18px 0 0;
    padding: 0.85rem 1.25rem calc(0.85rem + env(safe-area-inset-bottom, 0px));
    background: rgba(10, 14, 24, 0.94);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    border-left: none;
    border-right: none;
    border-bottom: none;
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.45);
    z-index: 90;
    flex-direction: column;
    gap: 0.45rem;
  }

  .editor-sticky-save button {
    width: 100%;
    justify-content: center;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
  }

  .editor-sticky-save span {
    text-align: center;
    font-size: 0.78rem;
  }

  .editor-main-stack {
    padding-bottom: 5.5rem;
  }
}

/* 3. Public Card Multi-Phone Touch Optimization (<480px) */
@media (max-width: 480px) {
  .vcard-phone-item {
    flex-direction: column;
    align-items: stretch;
    gap: 0.6rem;
    padding: 0.75rem;
  }

  .vcard-phone-btns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
    gap: 0.4rem;
    width: 100%;
  }

  .mini-action-pill {
    justify-content: center;
    min-height: 38px;
    padding: 0.45rem 0.5rem;
    font-size: 0.78rem;
  }

  .vcard-socials-row {
    gap: 0.5rem;
  }

  .vcard-social-icon {
    width: 44px;
    height: 44px;
  }
}

/* 4. Vault Horizontal Chip Scroller & Semester Grid (<640px) */
@media (max-width: 640px) {
  .vault-filter-pills {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.35rem;
  }

  .vault-filter-pills::-webkit-scrollbar {
    display: none;
  }

  .vault-filter-btn {
    white-space: nowrap;
    flex-shrink: 0;
    min-height: 36px;
    padding: 0.4rem 0.85rem;
  }

  .vault-semester-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  nav[aria-label="Vault sections"] {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.35rem;
  }

  nav[aria-label="Vault sections"]::-webkit-scrollbar {
    display: none;
  }

  nav[aria-label="Vault sections"] a {
    white-space: nowrap;
    flex-shrink: 0;
  }
}