/* OfferFlow Toast — 主题色统一 · 丝滑动效 */

.toast-container {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 10000;
  display: flex;
  flex-direction: column-reverse;
  align-items: flex-end;
  gap: 10px;
  pointer-events: none;
  max-width: min(400px, calc(100vw - 32px));
}

.toast {
  --toast-ease-enter: cubic-bezier(0.22, 1, 0.36, 1);
  --toast-ease-leave: cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: min(300px, calc(100vw - 48px));
  max-width: 100%;
  padding: 15px 18px 18px;
  pointer-events: auto;
  border-radius: 16px;
  background: linear-gradient(
    145deg,
    color-mix(in srgb, var(--surface) 96%, var(--primary-light)) 0%,
    color-mix(in srgb, var(--surface) 90%, transparent) 55%,
    color-mix(in srgb, var(--surface) 92%, var(--primary-light)) 100%
  );
  backdrop-filter: blur(20px) saturate(1.35);
  -webkit-backdrop-filter: blur(20px) saturate(1.35);
  border: 1px solid color-mix(in srgb, var(--primary) 24%, var(--border));
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 80%, transparent) inset,
    0 20px 44px -18px color-mix(in srgb, var(--primary) 28%, transparent),
    0 12px 32px -12px rgba(15, 23, 42, 0.14),
    0 0 0 1px color-mix(in srgb, var(--primary) 10%, transparent);
  overflow: hidden;
  cursor: default;
  user-select: none;
  will-change: transform, opacity, filter;
  transform: translate3d(40px, 10px, 0) scale(0.97);
  opacity: 0;
  filter: blur(6px);
}

.toast.is-visible {
  animation: toast-enter 0.72s var(--toast-ease-enter) forwards;
}

.toast.is-leaving {
  animation: toast-leave 0.48s var(--toast-ease-leave) forwards;
  pointer-events: none;
}

/* 单次缓出，无回弹，更丝滑 */
@keyframes toast-enter {
  0% {
    transform: translate3d(40px, 10px, 0) scale(0.97);
    opacity: 0;
    filter: blur(6px);
  }
  100% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 1;
    filter: blur(0);
  }
}

@keyframes toast-leave {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
    opacity: 1;
    filter: blur(0);
  }
  100% {
    transform: translate3d(32px, 6px, 0) scale(0.98);
    opacity: 0;
    filter: blur(4px);
  }
}

.toast__glow {
  position: absolute;
  inset: -30% -15% auto -15%;
  height: 110%;
  background: radial-gradient(
    ellipse 85% 70% at 18% 0%,
    color-mix(in srgb, var(--primary) 20%, transparent) 0%,
    color-mix(in srgb, var(--primary-light) 12%, transparent) 40%,
    transparent 72%
  );
  pointer-events: none;
  opacity: 0;
  animation: toast-glow-in 0.85s var(--toast-ease-enter) 0.04s forwards;
}

@keyframes toast-glow-in {
  to { opacity: 1; }
}

.toast__icon-wrap {
  position: relative;
  z-index: 1;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
  background: linear-gradient(145deg, var(--primary) 0%, var(--primary-hover) 100%);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--primary-active) 35%, transparent),
    0 6px 16px -6px color-mix(in srgb, var(--primary) 50%, transparent);
  transform: scale(0.88);
  opacity: 0;
  animation: toast-icon-in 0.65s var(--toast-ease-enter) 0.08s forwards;
}

@keyframes toast-icon-in {
  0% {
    transform: scale(0.88);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.toast__icon-wrap svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
}

.toast__body {
  position: relative;
  z-index: 1;
  flex: 1;
  min-width: 0;
  transform: translateY(4px);
  opacity: 0;
  animation: toast-text-in 0.6s var(--toast-ease-enter) 0.1s forwards;
}

@keyframes toast-text-in {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.toast__message {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--text);
}

.toast-undo {
  position: relative;
  z-index: 1;
  margin-left: 4px;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-active);
  background: color-mix(in srgb, var(--primary-light) 65%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--primary) 18%, transparent);
  border-radius: var(--radius-full);
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--duration-fast) var(--ease), transform var(--duration-fast) var(--ease-spring);
}

.toast-undo:hover {
  background: var(--primary-light);
  transform: scale(1.03);
}

.toast__progress {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 3px;
  border-radius: 0 0 12px 12px;
  overflow: hidden;
  background: color-mix(in srgb, var(--primary) 12%, var(--border-light));
}

.toast__progress > span {
  display: block;
  height: 100%;
  width: 100%;
  transform-origin: left center;
  background: linear-gradient(
    90deg,
    var(--primary-active),
    var(--primary),
    color-mix(in srgb, var(--primary) 65%, var(--primary-light))
  );
  border-radius: inherit;
  box-shadow: 0 0 12px color-mix(in srgb, var(--primary) 40%, transparent);
  animation: toast-progress linear forwards;
  animation-timing-function: cubic-bezier(0.4, 0, 0.6, 1);
}

@keyframes toast-progress {
  from { transform: scaleX(1); }
  to { transform: scaleX(0); }
}

/* 各类型仅区分图标图形，配色统一主题色 */
.toast.toast-success,
.toast.toast-error,
.toast.toast-warning,
.toast.toast-info {
  /* 继承 .toast 主题样式，无额外色板 */
}

@media (max-width: 480px) {
  .toast-container {
    right: 16px;
    left: 16px;
    bottom: 20px;
    align-items: stretch;
    max-width: none;
  }

  .toast {
    min-width: 0;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .toast,
  .toast.is-visible,
  .toast.is-leaving,
  .toast__icon-wrap,
  .toast__glow,
  .toast__body,
  .toast__progress > span {
    animation: none;
    filter: none;
    transition: none;
  }

  .toast {
    transform: none;
    opacity: 1;
  }

  .toast__icon-wrap,
  .toast__body {
    transform: none;
    opacity: 1;
  }

  .toast.is-leaving {
    opacity: 0;
    transition: opacity 0.2s ease;
  }
}