/* 登入後歡迎動畫 overlay */
body.welcome-overlay-open {
  overflow: hidden;
}

.welcome-overlay {
  position: fixed;
  inset: 0;
  z-index: 10050;
  display: grid;
  place-items: center;
  padding: 1.25rem;
  background: rgb(15 20 40 / 52%);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  cursor: pointer;
  opacity: 0;
}

.welcome-overlay--in {
  animation: welcomeFadeIn 0.28s var(--ease-out, cubic-bezier(0.22, 1, 0.36, 1)) forwards;
}

.welcome-overlay--out {
  animation: welcomeFadeOut 0.32s var(--ease-out, cubic-bezier(0.22, 1, 0.36, 1)) forwards;
}

.welcome-overlay-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 2rem 2.25rem 1.75rem;
  border-radius: var(--radius-lg, 16px);
  background: var(--color-surface, #fff);
  box-shadow: var(--shadow-lg, 0 20px 50px rgb(15 20 40 / 18%));
  text-align: center;
  max-width: min(100%, 320px);
  cursor: default;
  transform: scale(0.94) translateY(10px);
  animation: welcomeCardIn 0.38s var(--ease-out, cubic-bezier(0.22, 1, 0.36, 1)) 0.05s forwards;
}

.welcome-overlay--out .welcome-overlay-card {
  animation: welcomeCardOut 0.28s var(--ease-out, cubic-bezier(0.22, 1, 0.36, 1)) forwards;
}

.welcome-overlay-visual {
  flex-shrink: 0;
  width: 120px;
  height: 120px;
  overflow: visible;
}

.welcome-overlay-visual--image {
  width: auto;
  height: auto;
  max-width: 200px;
  max-height: 160px;
}

.welcome-overlay-image {
  display: block;
  max-width: 100%;
  max-height: 160px;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-md, 12px);
}

.welcome-overlay-visual--logo .welcome-overlay-image {
  border-radius: var(--radius-md, 12px);
}

.welcome-overlay-card--text {
  max-width: min(100%, 380px);
  padding-top: 1.75rem;
}

.welcome-overlay-card--text .welcome-overlay-title {
  margin-top: 0;
}

.welcome-svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

.welcome-svg-ring,
.welcome-svg-pulse,
.welcome-svg-wave path {
  transform-box: fill-box;
  transform-origin: center;
}

.welcome-svg-ring {
  stroke: var(--color-primary-light, rgb(91 127 255 / 18%));
  animation: welcomeRingPulse 2s ease-in-out infinite;
}

.welcome-svg-pulse {
  stroke: var(--color-primary, #5b7fff);
  opacity: 0.35;
  animation: welcomePulse 1.8s ease-out infinite;
}

.welcome-svg-check {
  stroke: var(--color-primary, #5b7fff);
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: welcomeCheckDraw 0.65s cubic-bezier(0.65, 0, 0.35, 1) 0.2s forwards;
}

.welcome-svg-wave path {
  stroke: var(--color-primary, #5b7fff);
  opacity: 0.55;
  animation: welcomeWave 1.4s ease-in-out infinite;
}

.welcome-svg-wave path:last-child {
  animation-delay: 0.25s;
}

.welcome-overlay-title {
  margin: 0.25rem 0 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text, #1a1f36);
  animation: welcomeTextIn 0.5s ease 0.35s both;
}

.welcome-overlay-sub {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-muted, #5c6478);
  animation: welcomeTextIn 0.5s ease 0.48s both;
}

[data-theme='dark'] .welcome-overlay {
  background: rgb(8 10 18 / 72%);
}

[data-theme='dark'] .welcome-overlay-card {
  background: var(--color-surface, #1c2133);
  box-shadow: 0 24px 60px rgb(0 0 0 / 45%);
}

@keyframes welcomeFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes welcomeFadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

@keyframes welcomeCardIn {
  from {
    opacity: 0;
    transform: scale(0.94) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes welcomeCardOut {
  from {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
  to {
    opacity: 0;
    transform: scale(0.96) translateY(6px);
  }
}

@keyframes welcomeCheckDraw {
  to { stroke-dashoffset: 0; }
}

@media (min-width: 769px) {
  .welcome-overlay-card {
    max-width: min(100%, 360px);
    gap: 0.875rem;
  }

  .welcome-overlay-visual {
    width: 136px;
    height: 136px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .welcome-overlay--in,
  .welcome-overlay--out,
  .welcome-overlay-card,
  .welcome-overlay-title,
  .welcome-overlay-sub,
  .welcome-svg-ring,
  .welcome-svg-pulse,
  .welcome-svg-check,
  .welcome-svg-wave path {
    animation: none !important;
  }

  .welcome-overlay {
    opacity: 1;
  }

  .welcome-overlay-card {
    opacity: 1;
    transform: none;
  }

  .welcome-svg-check {
    stroke-dashoffset: 0;
  }
}

@keyframes welcomeRingPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.04); opacity: 0.85; }
}

@keyframes welcomePulse {
  0% { transform: scale(0.92); opacity: 0.5; }
  70% { transform: scale(1.12); opacity: 0; }
  100% { transform: scale(1.12); opacity: 0; }
}

@keyframes welcomeWave {
  0%, 100% { transform: translateY(0); opacity: 0.45; }
  50% { transform: translateY(-3px); opacity: 0.85; }
}

@keyframes welcomeTextIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .welcome-overlay {
    padding: 1rem;
    align-items: flex-end;
  }

  .welcome-overlay-card {
    width: 100%;
    max-width: none;
    border-radius: var(--radius-lg, 16px) var(--radius-lg, 16px) 0 0;
    padding: 1.75rem 1.5rem calc(1.5rem + var(--safe-bottom, 0px));
  }
}

@media (min-width: 1025px) {
  .welcome-overlay {
    padding: 2rem;
  }

  .welcome-overlay-card {
    max-width: 440px;
    padding: 2rem 2.25rem;
  }
}

@media (min-width: 1280px) {
  .welcome-overlay-card {
    max-width: 480px;
    padding: 2.25rem 2.5rem;
  }
}