/* ==========================================================================
   Cover Card 3D - Modern Physics & Holographic Spatial Experience
   ========================================================================== */

:root {
  --bg-space: #07090e;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  /* Theme active variables (defaults to Cyber Prism) */
  --theme-accent: #a855f7;
  --theme-accent2: #38bdf8;
  --theme-glow: rgba(168, 85, 247, 0.35);
  --theme-border: rgba(168, 85, 247, 0.25);

  /* Card Geometry */
  --card-width: clamp(320px, 92vw, 420px);
  --card-height: clamp(560px, 80vh, 650px);
  --card-radius: 28px;

  /* Physics Dynamic Variables (Updated continuously by physics.js) */
  --rot-x: 0deg;
  --rot-y: 0deg;
  --trans-z: 0px;
  --light-x: 50%;
  --light-y: 50%;
  --holo-angle: 135deg;
  --holo-x: 50%;
  --holo-y: 50%;
  --shadow-x: 0px;
  --shadow-y: 25px;
  --shadow-blur: 40px;

  /* Font Stack */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

/* Theme presets */
body[data-theme="solaris"] {
  --theme-accent: #f59e0b;
  --theme-accent2: #fbbf24;
  --theme-glow: rgba(245, 158, 11, 0.35);
  --theme-border: rgba(245, 158, 11, 0.3);
}

body[data-theme="borealis"] {
  --theme-accent: #10b981;
  --theme-accent2: #06b6d4;
  --theme-glow: rgba(16, 185, 129, 0.35);
  --theme-border: rgba(16, 185, 129, 0.3);
}

body[data-theme="stealth"] {
  --theme-accent: #e2e8f0;
  --theme-accent2: #94a3b8;
  --theme-glow: rgba(226, 232, 240, 0.2);
  --theme-border: rgba(255, 255, 255, 0.18);
}

/* Universal Reset & Performance */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-space);
  color: var(--text-main);
  font-family: var(--font-sans);
  touch-action: pan-y pinch-zoom;
  user-select: none;
  -webkit-user-select: none;
}

/* Background Interactive Particle Canvas */
#bg-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* Background Subtle Mesh / Vignette */
.bg-vignette {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, transparent 40%, rgba(7, 9, 14, 0.8) 95%);
  z-index: 1;
  pointer-events: none;
}

/* App Viewport Container */
.viewport {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 2;
  perspective: 1200px;
  overflow: hidden;
  padding: 16px;
}

/* 3D Scene & Physics Rig */
.card-scene {
  position: relative;
  width: var(--card-width);
  height: var(--card-height);
  perspective: 1400px;
  cursor: grab;
  transition: transform 0.2s ease;
}

.card-scene.grabbing {
  cursor: grabbing;
}

/* The 3D Rigid Body Card */
.card-3d {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: var(--card-radius);
  transform-style: preserve-3d;
  will-change: transform, box-shadow;
  transform: rotateX(var(--rot-x)) rotateY(var(--rot-y)) translateZ(var(--trans-z));
  box-shadow: 
    var(--shadow-x) var(--shadow-y) var(--shadow-blur) rgba(0, 0, 0, 0.55),
    0 0 60px var(--theme-glow);
  transition: box-shadow 0.25s ease;
}

/* Card Faces (Double-Sided 3D Identity) */
.card-face {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border-radius: var(--card-radius);
  background: linear-gradient(135deg, rgba(20, 24, 33, 0.88) 0%, rgba(11, 14, 20, 0.94) 100%);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 24px;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

/* Card Rim Bevel Highlight */
.card-face::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--card-radius);
  padding: 1.5px;
  background: linear-gradient(
    calc(var(--holo-angle) + 45deg),
    rgba(255, 255, 255, 0.45) 0%,
    rgba(255, 255, 255, 0.05) 40%,
    var(--theme-accent) 60%,
    rgba(255, 255, 255, 0.3) 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 10;
}

/* Back Face Geometry */
.card-face.card-back {
  transform: rotateY(180deg) translateZ(1px);
}

/* Specular Glare Overlay */
.card-glare {
  position: absolute;
  inset: 0;
  border-radius: var(--card-radius);
  background: radial-gradient(
    circle 340px at var(--light-x) var(--light-y),
    rgba(255, 255, 255, 0.38) 0%,
    rgba(255, 255, 255, 0.12) 30%,
    transparent 70%
  );
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: 8;
  transform: translateZ(28px);
}

/* Holographic Prismatic Foil Sheen */
.card-hologram {
  position: absolute;
  inset: 0;
  border-radius: var(--card-radius);
  background: linear-gradient(
    var(--holo-angle),
    rgba(255, 0, 128, 0.16) 0%,
    rgba(255, 165, 0, 0.20) 16%,
    rgba(255, 255, 0, 0.22) 33%,
    rgba(0, 255, 128, 0.22) 50%,
    rgba(0, 191, 255, 0.20) 66%,
    rgba(168, 85, 247, 0.22) 83%,
    rgba(255, 0, 128, 0.16) 100%
  );
  background-position: var(--holo-x) var(--holo-y);
  background-size: 200% 200%;
  mix-blend-mode: color-dodge;
  opacity: 0.75;
  pointer-events: none;
  z-index: 7;
  transform: translateZ(4px);
}

/* Cyber Matrix Background Texture inside card */
.card-pattern {
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 24px 24px, 48px 48px, 48px 48px;
  opacity: 0.45;
  pointer-events: none;
  z-index: 2;
}

/* ==========================================================================
   Card Front Face Content & Spatial Parallax Layers
   ========================================================================== */

/* Top Status Bar */
.card-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  z-index: 5;
  transform: translateZ(24px);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.35);
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  color: #34d399;
  letter-spacing: 0.3px;
  text-transform: uppercase;
}

.status-beacon {
  position: relative;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
}

.status-beacon::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  background: #10b981;
  opacity: 0.6;
  animation: pulseBeacon 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulseBeacon {
  0% { transform: scale(0.9); opacity: 0.8; }
  50% { transform: scale(2.2); opacity: 0; }
  100% { transform: scale(0.9); opacity: 0; }
}

.pass-id-chip {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 4px 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.03);
}

/* Avatar Showcase with High 3D Depth */
.avatar-showcase {
  position: relative;
  align-self: center;
  margin: 18px 0 14px 0;
  width: 108px;
  height: 108px;
  z-index: 6;
  transform: translateZ(44px);
  will-change: transform;
}

.avatar-ring {
  position: absolute;
  inset: -5px;
  border-radius: 50%;
  background: conic-gradient(from var(--holo-angle), var(--theme-accent), var(--theme-accent2), #ec4899, var(--theme-accent));
  animation: rotateRing 8s linear infinite;
  opacity: 0.85;
  filter: blur(1.5px);
}

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

.avatar-image-frame {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  border: 2.5px solid rgba(255, 255, 255, 0.85);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.45);
  background: #0f172a;
}

.avatar-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.avatar-verified-badge {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--theme-accent), var(--theme-accent2));
  border: 2px solid #0f172a;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.35);
  transform: translateZ(12px);
}

.avatar-verified-badge svg {
  width: 15px;
  height: 15px;
}

/* Profile Identity */
.profile-meta {
  text-align: center;
  z-index: 6;
  transform: translateZ(34px);
  margin-bottom: 12px;
}

.profile-name {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #ffffff 40%, var(--theme-accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 4px;
}

.profile-role {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--theme-accent2);
  letter-spacing: 0.2px;
  margin-bottom: 8px;
}

.profile-bio {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--text-muted);
  max-width: 320px;
  margin: 0 auto;
}

.profile-bio .highlight {
  color: #ffffff;
  font-weight: 600;
}

/* Social Action Pills Grid (Parallax layer 4) */
.social-shelf {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: auto 0 14px 0;
  z-index: 6;
  transform: translateZ(42px);
  flex-wrap: wrap;
}

.social-pill {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  text-decoration: none;
  transition: all 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
  transform-style: preserve-3d;
  cursor: pointer;
}

.social-pill svg {
  width: 20px;
  height: 20px;
  transition: transform 0.2s ease, filter 0.2s ease;
}

.social-pill:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--theme-accent);
  transform: translateZ(12px) scale(1.12);
  box-shadow: 0 8px 20px var(--theme-glow);
  color: #ffffff;
}

.social-pill:hover svg {
  filter: drop-shadow(0 0 6px var(--theme-accent));
}

/* Card Bottom Action Bar */
.card-bottom-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  z-index: 6;
  transform: translateZ(26px);
}

.action-flip-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-main);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.action-flip-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: var(--theme-accent);
  box-shadow: 0 4px 14px var(--theme-glow);
  transform: translateY(-1px);
}

.action-flip-btn svg {
  width: 14px;
  height: 14px;
  transition: transform 0.4s ease;
}

.action-flip-btn:hover svg {
  transform: rotate(180deg);
}

.action-copy-email {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 11.5px;
  font-family: var(--font-mono);
  cursor: pointer;
  padding: 6px 10px;
  border-radius: 6px;
  transition: color 0.2s ease, background 0.2s ease;
}

.action-copy-email:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.action-copy-email svg {
  width: 13px;
  height: 13px;
}

/* ==========================================================================
   Card Back Face (VIP Pass / Tech Matrix / Contact vCard)
   ========================================================================== */

.back-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  z-index: 5;
  transform: translateZ(24px);
  margin-bottom: 12px;
}

.back-title-group {
  display: flex;
  flex-direction: column;
}

.back-badge-title {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: #ffffff;
}

.back-edition {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--theme-accent);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* Dynamic QR Code Frame */
.qr-hologram-box {
  align-self: center;
  margin: 10px 0 14px 0;
  padding: 12px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  position: relative;
  z-index: 6;
  transform: translateZ(42px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.qr-canvas-wrap {
  width: 115px;
  height: 115px;
  border-radius: 12px;
  overflow: hidden;
  background: #ffffff;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-canvas-wrap img, .qr-canvas-wrap svg {
  width: 100%;
  height: 100%;
  display: block;
}

.qr-label {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* Skills Matrix Interactive Chips */
.skills-matrix {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  justify-content: center;
  z-index: 6;
  transform: translateZ(32px);
  margin-bottom: 12px;
}

.tech-chip {
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 500;
  padding: 4.5px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-main);
  transition: all 0.2s ease;
  cursor: default;
}

.tech-chip:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--theme-accent);
  color: #ffffff;
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 4px 12px var(--theme-glow);
}

/* Stats / Time Ticker */
.system-telemetry {
  display: flex;
  justify-content: space-around;
  width: 100%;
  padding: 10px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  margin-top: auto;
  z-index: 6;
  transform: translateZ(28px);
}

.telemetry-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.telemetry-label {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.telemetry-val {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: #ffffff;
}

/* Back Action Bar */
.back-bottom-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding-top: 12px;
  z-index: 6;
  transform: translateZ(26px);
}

.btn-vcard {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: linear-gradient(135deg, var(--theme-accent), var(--theme-accent2));
  border: none;
  color: #ffffff;
  padding: 8px 15px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 15px var(--theme-glow);
  transition: all 0.2s ease;
}

.btn-vcard:hover {
  transform: translateY(-1.5px) scale(1.03);
  filter: brightness(1.15);
}

.btn-vcard svg {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   Floating Glass HUD Dock (Controls at bottom)
   ========================================================================== */

.hud-dock {
  position: fixed;
  bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(15, 20, 28, 0.75);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
  z-index: 50;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.hud-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.hud-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
  border-color: var(--theme-accent);
  transform: translateY(-2px);
}

.hud-btn.active {
  color: var(--theme-accent);
  border-color: var(--theme-accent);
  background: rgba(168, 85, 247, 0.15);
}

.hud-btn svg {
  width: 17px;
  height: 17px;
}

.hud-divider {
  width: 1px;
  height: 20px;
  background: rgba(255, 255, 255, 0.1);
  margin: 0 2px;
}

/* Theme Picker Swatches */
.theme-swatch-list {
  display: flex;
  align-items: center;
  gap: 6px;
}

.theme-swatch {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.2);
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
  background-size: cover;
}

.theme-swatch:hover {
  transform: scale(1.22);
}

.theme-swatch.active {
  border-color: #ffffff;
  transform: scale(1.25);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

/* Toast Notification */
.toast-notice {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(-30px);
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(15, 20, 28, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--theme-accent);
  color: #ffffff;
  font-size: 12.5px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 100;
}

.toast-notice.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast-notice svg {
  width: 15px;
  height: 15px;
  color: var(--theme-accent);
}

/* ==========================================================================
   Mobile Responsive Adjustments
   ========================================================================== */

@media (max-width: 480px) {
  :root {
    --card-width: 92vw;
    --card-height: 560px;
    --card-radius: 24px;
  }

  .viewport {
    padding: 12px;
  }

  .card-face {
    padding: 18px;
  }

  .avatar-showcase {
    width: 92px;
    height: 92px;
    margin: 12px 0 10px 0;
  }

  .profile-name {
    font-size: 21px;
  }

  .profile-role {
    font-size: 11.5px;
  }

  .profile-bio {
    font-size: 11.5px;
  }

  .social-pill {
    width: 40px;
    height: 40px;
  }

  .qr-canvas-wrap {
    width: 95px;
    height: 95px;
  }

  .hud-dock {
    bottom: 16px;
    padding: 6px 10px;
    gap: 6px;
  }

  .hud-btn {
    width: 34px;
    height: 34px;
  }

  .hud-btn svg {
    width: 15px;
    height: 15px;
  }
}