/* ============================================================
   Portfolio Chrome — shared top bar + onboarding overlay
   Used by: TWAC / Scheduler / Flight Notify demos
   ============================================================ */

:root {
  --pc-bg: rgba(11, 15, 25, 0.78);
  --pc-bg-solid: #0b0f19;
  --pc-fg: #f0f4f8;
  --pc-fg-dim: rgba(240, 244, 248, 0.65);
  --pc-border: rgba(255, 255, 255, 0.08);
  --pc-accent: #4ECDC4;
  --pc-line-green: #06C755;
  --pc-email-blue: #2563eb;
  --pc-radius: 12px;
  --pc-radius-sm: 8px;
  --pc-shadow: 0 8px 32px rgba(0, 0, 0, 0.32);
  --pc-bar-h: 52px;
  --pc-bar-h-mobile: 48px;
  --pc-z-bar: 9000;
  --pc-z-overlay: 9500;
  --pc-font: 'Inter', 'Sora', -apple-system, BlinkMacSystemFont, 'PingFang TC',
             'Noto Sans TC', system-ui, sans-serif;
}

/* ---------- Top Bar ---------- */
.pc-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--pc-bar-h);
  background: var(--pc-bg);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--pc-border);
  color: var(--pc-fg);
  font-family: var(--pc-font);
  z-index: var(--pc-z-bar);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  transform: translateY(0);
  transition: transform 240ms ease;
  padding-top: env(safe-area-inset-top, 0);
  height: calc(var(--pc-bar-h) + env(safe-area-inset-top, 0px));
}

.pc-bar--hidden {
  transform: translateY(-100%);
}

.pc-bar__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border-radius: var(--pc-radius-sm);
  color: var(--pc-fg);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  background: transparent;
  border: 1px solid transparent;
  transition: background 160ms ease, border-color 160ms ease;
  cursor: pointer;
}

.pc-bar__back:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--pc-border);
}

.pc-bar__back svg {
  width: 14px;
  height: 14px;
}

.pc-bar__title {
  flex: 1;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--pc-fg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: center;
}

.pc-bar__title-tag {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 7px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pc-accent);
  background: rgba(78, 205, 196, 0.12);
  border: 1px solid rgba(78, 205, 196, 0.32);
  border-radius: 999px;
  vertical-align: middle;
}

.pc-bar__spacer {
  /* Symmetric spacer balancing the back link on the left so the
     centered title stays optically centered. */
  width: 110px;
  flex-shrink: 0;
}
@media (max-width: 640px) {
  .pc-bar__spacer { width: 32px; }
}

/* push down host content to avoid bar overlap */
.pc-host-padding {
  padding-top: calc(var(--pc-bar-h) + env(safe-area-inset-top, 0px));
}

@media (max-width: 640px) {
  .pc-bar {
    height: calc(var(--pc-bar-h-mobile) + env(safe-area-inset-top, 0px));
    padding: 0 10px;
    gap: 8px;
  }
  .pc-host-padding {
    padding-top: calc(var(--pc-bar-h-mobile) + env(safe-area-inset-top, 0px));
  }
  .pc-bar__title {
    font-size: 13px;
  }
  .pc-bar__title-tag {
    display: none;
  }
  .pc-bar__btn {
    padding: 6px 10px;
    font-size: 11px;
  }
  /* on mobile, only show icons for LINE / Email to save space */
  .pc-bar__btn-label {
    display: none;
  }
}

/* ---------- Onboarding Overlay ---------- */
.pc-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 14, 0.72);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  z-index: var(--pc-z-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  font-family: var(--pc-font);
  color: var(--pc-fg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 280ms ease;
}

.pc-overlay--visible {
  opacity: 1;
  pointer-events: auto;
}

.pc-card {
  background: linear-gradient(180deg, #131826 0%, #0d111c 100%);
  border: 1px solid var(--pc-border);
  border-radius: 20px;
  box-shadow: var(--pc-shadow);
  padding: 32px 28px;
  max-width: 460px;
  width: 100%;
  transform: translateY(12px) scale(0.98);
  transition: transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.pc-overlay--visible .pc-card {
  transform: translateY(0) scale(1);
}

.pc-card__badge {
  display: inline-block;
  padding: 4px 10px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pc-accent);
  background: rgba(78, 205, 196, 0.1);
  border: 1px solid rgba(78, 205, 196, 0.3);
  border-radius: 999px;
  margin-bottom: 16px;
}

.pc-card__title {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  color: var(--pc-fg);
}

.pc-card__lede {
  font-size: 14px;
  line-height: 1.6;
  color: var(--pc-fg-dim);
  margin: 0 0 18px;
}

.pc-card__lede strong {
  color: var(--pc-fg);
  font-weight: 600;
}

.pc-card__pitch {
  background: rgba(78, 205, 196, 0.06);
  border: 1px solid rgba(78, 205, 196, 0.18);
  border-radius: var(--pc-radius);
  padding: 14px 16px;
  margin: 0 0 22px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--pc-fg);
}

.pc-card__pitch-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--pc-accent);
  margin-bottom: 6px;
}

.pc-card__actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pc-card__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 16px;
  border-radius: var(--pc-radius-sm);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--pc-border);
  cursor: pointer;
  transition: transform 120ms ease, background 160ms ease;
  font-family: inherit;
}

.pc-card__btn--primary {
  background: var(--pc-fg);
  color: var(--pc-bg-solid);
  border-color: var(--pc-fg);
}
.pc-card__btn--primary:hover {
  transform: translateY(-1px);
  background: #fff;
}

.pc-card__btn svg {
  width: 16px;
  height: 16px;
}

.pc-card__footnote {
  margin-top: 16px;
  text-align: center;
  font-size: 11px;
  color: var(--pc-fg-dim);
  letter-spacing: 0.02em;
}

@media (max-width: 480px) {
  .pc-card {
    padding: 26px 20px;
  }
  .pc-card__title {
    font-size: 19px;
  }
  .pc-card__lede {
    font-size: 13px;
  }
}