/* ==========================================================================
   Editorial vCard Design System & Typography
   Clean, tactile, dual light/dark mode responsive stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   Design Tokens & CSS Variables
   -------------------------------------------------------------------------- */
:root {
  /* Light Theme (Warm Editorial Paper & Charcoal) */
  --color-bg-base: #f9f9f6;
  --color-bg-canvas: #f2f2ed;
  --color-bg-surface: #ffffff;
  --color-bg-subtle: #f5f5f0;
  --color-bg-hover: #ebebe5;
  --color-bg-active: #e2e2db;
  --color-bg-tag: #f0f0ea;

  --color-border-hairline: rgba(26, 26, 24, 0.08);
  --color-border-subtle: #e6e6df;
  --color-border-strong: #d2d2c8;
  --color-border-focus: #1a1a18;

  --color-text-primary: #191917;
  --color-text-secondary: #5c5c56;
  --color-text-tertiary: #878780;
  --color-text-inverse: #fafaf7;

  --color-accent-primary: #9b5428;
  --color-accent-subtle: rgba(155, 84, 40, 0.1);
  --color-accent-hover: #82441e;
  --color-accent-ink: #191917;

  --color-status-dot: #16a34a;
  --color-status-glow: rgba(22, 163, 74, 0.25);

  --font-serif: "Newsreader", Garamond, Georgia, "Times New Roman", serif;
  --font-sans: "Plus Jakarta Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-raleway: "Raleway", var(--font-sans);
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  --shadow-subtle: 0 1px 3px rgba(26, 26, 24, 0.04), 0 1px 2px rgba(26, 26, 24, 0.02);
  --shadow-card: 0 4px 20px rgba(26, 26, 24, 0.06), 0 1px 3px rgba(26, 26, 24, 0.04);
  --shadow-floating: 0 16px 40px rgba(26, 26, 24, 0.12), 0 4px 12px rgba(26, 26, 24, 0.06);

  --transition-fast: 160ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 280ms cubic-bezier(0.16, 1, 0.3, 1);

  --card-max-width: 580px;
}

[data-theme="dark"] {
  /* Dark Theme (Obsidian & Warm Charcoal Luxe) */
  --color-bg-base: #111110;
  --color-bg-canvas: #0b0b0a;
  --color-bg-surface: #181817;
  --color-bg-subtle: #21211f;
  --color-bg-hover: #292926;
  --color-bg-active: #333330;
  --color-bg-tag: #222220;

  --color-border-hairline: rgba(245, 245, 240, 0.08);
  --color-border-subtle: #292926;
  --color-border-strong: #3d3d38;
  --color-border-focus: #f5f5f0;

  --color-text-primary: #f5f5f0;
  --color-text-secondary: #9c9c94;
  --color-text-tertiary: #6e6e68;
  --color-text-inverse: #191917;

  --color-accent-primary: #df8a55;
  --color-accent-subtle: rgba(223, 138, 85, 0.15);
  --color-accent-hover: #e89d6e;
  --color-accent-ink: #f5f5f0;

  --color-status-dot: #22c55e;
  --color-status-glow: rgba(34, 197, 94, 0.3);

  --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.5), 0 1px 4px rgba(0, 0, 0, 0.3);
  --shadow-floating: 0 20px 50px rgba(0, 0, 0, 0.7);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  scrollbar-gutter: stable;
  background-color: var(--color-bg-canvas);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
}

body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  background-color: var(--color-bg-canvas);
  color: var(--color-text-primary);
  line-height: 1.5;
  padding: 0;
  position: relative;
  overflow-x: hidden;
}

body.is-flipping {
  overflow-y: hidden;
}

@media (min-width: 680px) {
  body {
    padding: 24px 16px 36px;
  }
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

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

/* --------------------------------------------------------------------------
   3D Card Wrapper & Flipper
   -------------------------------------------------------------------------- */
.vcard-container {
  width: 100%;
  max-width: var(--card-max-width);
  position: relative;
  perspective: 2000px;
  -webkit-perspective: 2000px;
}

.vcard-flipper {
  width: 100%;
  position: relative;
  transform-style: preserve-3d;
  -webkit-transform-style: preserve-3d;
  transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.vcard-container.is-flipped .vcard-flipper {
  transform: rotateY(-180deg);
}

.card-face {
  width: 100%;
  background-color: var(--color-bg-base);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
}

@media (min-width: 680px) {
  .card-face {
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-border-subtle);
    box-shadow: var(--shadow-card);
    overflow: hidden;
  }
}

.card-face-front {
  position: relative;
  min-height: 100vh;
  transform: rotateY(0deg);
  transition: visibility 0s linear 0s;
}

@media (min-width: 680px) {
  .card-face-front {
    min-height: auto;
  }
}

.card-face-back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 100%;
  max-height: 100%;
  overflow: hidden;
  transform: rotateY(180deg);
  pointer-events: none;
  visibility: hidden;
  transition: visibility 0s linear 0.33s;
}

.vcard-container.is-flipped .card-face-front {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  max-height: 100%;
  overflow: hidden;
  pointer-events: none;
  visibility: hidden;
  transition: visibility 0s linear 0.33s;
}

.vcard-container.is-flipped .card-face-back {
  position: relative;
  pointer-events: auto;
  visibility: visible;
  max-height: none;
  overflow: visible;
  transition: visibility 0s linear 0s;
  min-height: 100vh;
}

@media (min-width: 680px) {
  .vcard-container.is-flipped .card-face-back {
    min-height: auto;
  }
}


/* --------------------------------------------------------------------------
   Sticky Compact Header (Shown when hero role title scrolls out of view)
   -------------------------------------------------------------------------- */
.sticky-compact-header {
  position: sticky;
  top: 0;
  z-index: 60;
  height: 0;
  width: 100%;
  overflow: visible;
  pointer-events: none;
}

.sticky-compact-header-bar {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background-color: var(--color-bg-base);
  border-bottom: 1px solid var(--color-border-subtle);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transform: translateY(-100%);
  opacity: 0;
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

.sticky-compact-header.is-visible .sticky-compact-header-bar {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
  box-shadow: var(--shadow-subtle);
}

@media (min-width: 680px) {
  .sticky-compact-header-bar {
    border-top-left-radius: var(--radius-xl);
    border-top-right-radius: var(--radius-xl);
  }
}

.compact-profile-cluster {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.compact-avatar-img {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border-subtle);
  object-fit: cover;
  flex-shrink: 0;
}

.compact-identity {
  display: flex;
  flex-direction: column;
  min-width: 0;
  text-align: left;
}

.compact-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.compact-role {
  font-size: 0.76rem;
  color: var(--color-text-secondary);
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.compact-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  margin-left: 12px;
}

.compact-theme-btn {
  flex-shrink: 0;
  margin-left: 0;
}

.compact-flip-btn {
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Top Utility Bar (Naturally Scrolling with Content)
   -------------------------------------------------------------------------- */
.vcard-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px 14px;
  border-bottom: 1px solid var(--color-border-hairline);
  background-color: var(--color-bg-base);
}


.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  letter-spacing: 0.01em;
}

.status-dot-pulse {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-full);
  background-color: var(--color-status-dot);
  box-shadow: 0 0 0 0 var(--color-status-glow);
  animation: pulse-ring 2.4s cubic-bezier(0.45, 0, 0.55, 1) infinite;
}

@keyframes pulse-ring {
  0% {
    box-shadow: 0 0 0 0 var(--color-status-glow);
  }

  70% {
    box-shadow: 0 0 0 6px rgba(0, 0, 0, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
  }
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-toggle-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-hover);
  border-color: var(--color-border-strong);
}

.theme-icon-sun,
.theme-icon-moon {
  width: 18px;
  height: 18px;
  display: block;
}

[data-theme="light"] .theme-icon-sun {
  display: none;
}

[data-theme="light"] .theme-icon-moon {
  display: block;
}

[data-theme="dark"] .theme-icon-sun {
  display: block;
}

[data-theme="dark"] .theme-icon-moon {
  display: none;
}

.flip-toggle-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
  flex-shrink: 0;
}

.flip-toggle-btn:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-hover);
  border-color: var(--color-border-strong);
  transform: rotate(6deg);
}

.flip-toggle-btn:active {
  transform: scale(0.92);
}

.flip-icon {
  width: 18px;
  height: 18px;
  display: block;
}

/* Ellipsis menu */
.vcard-topbar {
  position: relative;
  z-index: 50;
}

.topbar-menu-wrap {
  position: relative;
}

.ellipsis-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-secondary);
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.ellipsis-btn:hover,
.ellipsis-btn[aria-expanded="true"] {
  color: var(--color-text-primary);
  background-color: var(--color-bg-hover);
  border-color: var(--color-border-strong);
}

.ellipsis-icon {
  width: 18px;
  height: 18px;
  display: block;
}

.topbar-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 80;
  min-width: 190px;
  padding: 6px;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-floating);
}

.topbar-menu[hidden] {
  display: none;
}

.topbar-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-primary);
  text-align: left;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.topbar-menu-item:hover,
.topbar-menu-item:focus-visible {
  background-color: var(--color-bg-hover);
}

.menu-item-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   Scannable Badge View (Back Face)
   -------------------------------------------------------------------------- */
.badge-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px 14px;
  border-bottom: 1px solid var(--color-border-hairline);
  background-color: var(--color-bg-base);
}

.badge-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--color-accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-hero {
  padding: 36px 24px 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
  width: 100%;
}

@media (min-width: 480px) {
  .badge-hero {
    padding: 44px 32px 56px;
    gap: 18px;
  }
}

.badge-qr-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 6px;
}

.badge-qr-box {
  width: 196px;
  height: 196px;
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-border-subtle);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

@media (min-width: 480px) {
  .badge-qr-box {
    width: 216px;
    height: 216px;
    padding: 14px;
  }
}

.badge-qr-box:hover {
  transform: scale(1.025);
  box-shadow: var(--shadow-floating);
}

.badge-qr-box svg {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 6px;
}

.badge-identity {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  width: 100%;
}

.badge-name-heading {
  font-family: var(--font-serif);
  font-size: 2.3rem;
  font-weight: 600;
  line-height: 1.15;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

@media (min-width: 480px) {
  .badge-name-heading {
    font-size: 2.65rem;
  }
}

.badge-role-title {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  line-height: 1.35;
  max-width: 420px;
}

@media (min-width: 480px) {
  .badge-role-title {
    font-size: 1.4rem;
  }
}

.badge-role-title .role-emphasis {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-text-primary);
  font-weight: 600;
}

.badge-divider {
  width: 75px;
  height: 1px;
  background-color: var(--color-border-subtle);
  margin: 4px auto 0;
}

.badge-bio {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--color-text-primary);
  padding: 6px 20px 0;
  margin-top: 4px;
  max-width: 460px;
  text-align: center;
  font-weight: 400;
}

@media (min-width: 480px) {
  .badge-bio {
    font-size: 1.26rem;
    line-height: 1.65;
    padding: 8px 28px 0;
    max-width: 500px;
  }
}

/* --------------------------------------------------------------------------
   Hero Section & Profile Presentation (Centered Round Hero Avatar)
   -------------------------------------------------------------------------- */
.vcard-hero {
  padding: 32px 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}

.hero-profile-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  width: 100%;
}

.avatar-frame {
  position: relative;
  width: 112px;
  height: 112px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
  border: 3px solid var(--color-bg-surface);
  box-shadow: 0 0 0 1px var(--color-border-subtle), var(--shadow-card);
  background-color: var(--color-bg-surface);
}

@media (min-width: 480px) {
  .avatar-frame {
    width: 124px;
    height: 124px;
  }
}

.avatar-image {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  object-fit: cover;
  display: block;
  transition: transform var(--transition-smooth);
}

.avatar-frame:hover .avatar-image {
  transform: scale(1.04);
}

.verified-badge {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 22px;
  height: 22px;
  background-color: var(--color-accent-ink);
  color: var(--color-text-inverse);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-bg-surface);
  box-shadow: var(--shadow-subtle);
  z-index: 2;
}

.verified-icon {
  width: 12px;
  height: 12px;
}

.hero-identity {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  width: 100%;
}

.handle-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent-primary);
  font-weight: 500;
}

.name-heading {
  font-family: var(--font-serif);
  font-size: 2.1rem;
  font-weight: 600;
  line-height: 1.15;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

@media (min-width: 480px) {
  .name-heading {
    font-size: 2.4rem;
  }
}

.role-title {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.35;
  padding: 0 20px;
}

.role-emphasis {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-text-primary);
  font-weight: 500;
}

.location-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 8px;
  font-family: var(--font-raleway);
  font-size: 17px;
  color: var(--color-text-tertiary);
}

.location-icon {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

.hero-divider {
  width: 75px;
  height: 1px;
  background-color: var(--color-border-subtle);
  margin: 6px auto 0;
}

.hero-identity .hero-divider {
  margin-top: 12px;
}

.hero-profile-row + .hero-divider {
  margin-top: -4px;
}

.hero-bio {
  font-family: "Lato", var(--font-sans);
  font-style: italic;
  font-weight: 300;
  font-size: 22px;
  line-height: 1.4;
  text-align: center;
  color: var(--color-text-secondary);
  padding: 8px 12px 0;
  margin-top: 4px;
  max-width: 440px;
}

@media (min-width: 480px) {
  .hero-bio {
    padding: 8px 12px 0;
  }
}

/* --------------------------------------------------------------------------
   Quick Action Buttons (Primary CTAs)
   -------------------------------------------------------------------------- */
.action-buttons-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  padding: 28px 24px;
}

.btn-primary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--color-accent-ink);
  color: var(--color-text-inverse);
  padding: 13px 22px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.01em;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-subtle);
}

.btn-primary-action:hover {
  opacity: 0.92;
  transform: translateY(-1px);
  box-shadow: var(--shadow-card);
}

.btn-primary-action:active {
  transform: translateY(0);
}

.action-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Direct Connect Section (Round Icon-Only Buttons with Let's connect Header)
   -------------------------------------------------------------------------- */
.connect-section {
  padding: 20px 24px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.connect-heading {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  font-style: italic;
  color: var(--color-text-secondary);
  letter-spacing: -0.01em;
}

.connect-buttons-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
}

.connect-circle-btn {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-subtle);
  text-decoration: none;
}

.connect-circle-btn:hover {
  background-color: var(--color-bg-hover);
  border-color: var(--color-border-strong);
  color: var(--color-accent-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
}

.connect-circle-btn:active {
  transform: translateY(0);
}

.connect-circle-icon {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
  display: block;
}


/* --------------------------------------------------------------------------
   Showcase Toggle Drawer (Clean Impact on Initial Screen)
   -------------------------------------------------------------------------- */
.btn-toggle-showcase {
  width: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  color: var(--color-text-primary);
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-subtle);
}


.btn-toggle-showcase:hover {
  background-color: var(--color-bg-hover);
  border-color: var(--color-border-strong);
  transform: translateY(-1px);
}

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

.showcase-collapsible {

  display: flex;
  flex-direction: column;
  animation: fadeInDrawer var(--transition-smooth);
}

.showcase-collapsible[hidden] {
  display: none;
}

@keyframes fadeInDrawer {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --------------------------------------------------------------------------
   Segmented Tab Navigation
   -------------------------------------------------------------------------- */
.showcase-nav-section {
  padding: 18px 24px 0;
}

.tabs-segmented-bar {
  display: flex;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 4px;
  position: relative;
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs-segmented-bar::-webkit-scrollbar {
  display: none;
}

.tab-nav-button {
  flex: 1;
  min-width: fit-content;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-align: center;
}

.tab-nav-button:hover {
  color: var(--color-text-primary);
}

.tab-nav-button.is-active {
  background-color: var(--color-bg-base);
  color: var(--color-text-primary);
  font-weight: 600;
  box-shadow: var(--shadow-subtle);
}

[data-theme="dark"] .tab-nav-button.is-active {
  background-color: var(--color-bg-active);
}

/* --------------------------------------------------------------------------
   Tab Panels & Showcase Content
   -------------------------------------------------------------------------- */
.tab-content-area {
  padding: 20px 24px 32px;
  display: flex;
  flex-direction: column;
}

.tab-pane {
  display: none;
  flex-direction: column;
  gap: 20px;
  animation: fadeInPane var(--transition-smooth);
}

.tab-pane.is-active {
  display: flex;
}

@keyframes fadeInPane {
  from {
    opacity: 0;
    transform: translateY(6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --------------------------------------------------------------------------
   Project Cards
   -------------------------------------------------------------------------- */
.project-card {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition-smooth);
}

.project-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.project-banner-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--color-bg-subtle);
  position: relative;
}

.project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

.project-card:hover .project-image {
  transform: scale(1.03);
}

.project-details {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.project-header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.project-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.25;
}

.project-status-chip {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--color-accent-primary);
  background-color: var(--color-accent-subtle);
  padding: 3px 8px;
  border-radius: var(--radius-full);
}

.project-description {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

.tags-cluster {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tech-tag {
  font-size: 0.74rem;
  font-weight: 500;
  background-color: var(--color-bg-tag);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-secondary);
  padding: 3px 9px;
  border-radius: var(--radius-full);
}

.project-links-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 4px;
}

.project-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-primary);
  transition: color var(--transition-fast);
}

.project-link-btn:hover {
  color: var(--color-accent-primary);
}

.link-arrow-icon {
  width: 14px;
  height: 14px;
}

/* --------------------------------------------------------------------------
   Experience Timeline
   -------------------------------------------------------------------------- */
.experience-timeline {
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
}

.experience-timeline::before {
  content: "";
  position: absolute;
  top: 14px;
  bottom: 14px;
  left: 15px;
  width: 1px;
  background-color: var(--color-border-subtle);
}

.timeline-item {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 18px;
}

.timeline-marker {
  width: 31px;
  height: 31px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 2;
  box-shadow: var(--shadow-subtle);
}

.timeline-dot {
  width: 9px;
  height: 9px;
  border-radius: var(--radius-full);
  background-color: var(--color-accent-primary);
}

.timeline-card {
  flex: 1;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: var(--shadow-subtle);
}

.timeline-header {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.timeline-role {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.25;
}

.timeline-company-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-text-tertiary);
}

.timeline-company {
  font-weight: 600;
  color: var(--color-accent-primary);
}

.timeline-period {
  font-family: var(--font-mono);
}

.timeline-body {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Skills & Stack Grid
   -------------------------------------------------------------------------- */
.skills-category-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.skills-category-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.skills-category-icon {
  width: 16px;
  height: 16px;
  color: var(--color-accent-primary);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 8px;
}

.skill-tile {
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all var(--transition-fast);
}

.skill-tile:hover {
  border-color: var(--color-border-strong);
  background-color: var(--color-bg-hover);
}

.skill-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.skill-descriptor {
  font-size: 0.72rem;
  color: var(--color-text-tertiary);
}

/* --------------------------------------------------------------------------
   Footer & Editorial Stamp
   -------------------------------------------------------------------------- */
.vcard-footer {
  margin-top: auto;
  padding: 24px;
  border-top: 1px solid var(--color-border-hairline);
  background-color: var(--color-bg-base);
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  text-align: center;
}

.footer-social-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.social-round-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
}

.social-round-btn:hover {
  color: var(--color-text-primary);
  border-color: var(--color-border-strong);
  background-color: var(--color-bg-hover);
  transform: translateY(-2px);
}

.social-svg {
  width: 17px;
  height: 17px;
}

.footer-stamp {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  letter-spacing: 0.02em;
}

.footer-stamp-accent {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   QR Code Dialog / Modal
   -------------------------------------------------------------------------- */
.qr-modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(17, 17, 16, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

.qr-modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.qr-modal-card {
  width: 100%;
  max-width: 360px;
  background-color: var(--color-bg-surface);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: var(--shadow-floating);
  position: relative;
  transform: scale(0.94) translateY(10px);
  transition: transform var(--transition-smooth);
}

.qr-modal-backdrop.is-open .qr-modal-card {
  transform: scale(1) translateY(0);
}

.qr-modal-close-btn {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  background-color: var(--color-bg-subtle);
  transition: all var(--transition-fast);
}

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

.close-svg {
  width: 16px;
  height: 16px;
}

.qr-avatar-badge {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-full);
  overflow: hidden;
  border: 2px solid var(--color-bg-surface);
  box-shadow: var(--shadow-card);
  margin-bottom: 12px;
}

.qr-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qr-modal-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 20px;
}


.qr-render-box {
  width: 210px;
  height: 210px;
  background-color: #ffffff;
  border-radius: var(--radius-md);
  padding: 14px;
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.qr-svg-matrix {
  width: 100%;
  height: 100%;
  display: block;
}

.qr-actions-row {
  display: flex;
  width: 100%;
  gap: 10px;
}

.qr-copy-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background-color: var(--color-bg-subtle);
  border: 1px solid var(--color-border-subtle);
  color: var(--color-text-primary);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.qr-copy-btn:hover {
  background-color: var(--color-bg-hover);
  border-color: var(--color-border-strong);
}

.qr-open-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background-color: var(--color-accent-ink);
  color: var(--color-text-inverse);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.qr-open-btn:hover {
  opacity: 0.92;
}

/* --------------------------------------------------------------------------
   Toast Notification Pill
   -------------------------------------------------------------------------- */
.toast-notification {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(30px);
  background-color: var(--color-accent-ink);
  color: var(--color-text-inverse);
  padding: 10px 18px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 500;
  box-shadow: var(--shadow-floating);
  z-index: 120;
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-smooth), opacity var(--transition-smooth);
}

.toast-notification.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.toast-check-icon {
  width: 15px;
  height: 15px;
  color: #22c55e;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Utility Classes (No inline styles)
   -------------------------------------------------------------------------- */
body.modal-lock {
  overflow: hidden;
}

.visually-hidden-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  opacity: 0;
  pointer-events: none;
}
/* --------------------------------------------------------------------------
   Published cards: empty slots are hidden, and a missing photo shows initials
   -------------------------------------------------------------------------- */
[hidden] {
  display: none !important;
}

.avatar-initials {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif, Georgia, serif);
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.5px;
  color: var(--color-text-primary);
  background-color: var(--color-bg-subtle, var(--color-bg-surface));
}