/* Toast notifications — floating flash messages (mint notice / red alert) */

:root {
  --toast-width: 22rem;
  --toast-surface: #ffffff;
  --toast-text: #0f1b2d;
  --toast-text-soft: #3c4a60;
  --toast-mint: #00c2a8;
  --toast-mint-strong: #02a890;
  --toast-mint-soft: rgba(0, 194, 168, 0.12);
  --toast-red: #b91c1c;
  --toast-red-soft: #fef2f2;
  --toast-red-border: #fecaca;
  --toast-radius: 12px;
  --toast-shadow: 0 12px 34px rgba(15, 27, 45, 0.16), 0 2px 8px rgba(15, 27, 45, 0.06);
}

.toast-region {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 120;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  width: min(var(--toast-width), calc(100vw - 2rem));
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  width: 100%;
  box-sizing: border-box;
  padding: 0.75rem 0.85rem;
  border: 1px solid #e2e9f2;
  border-radius: var(--toast-radius);
  background: var(--toast-surface);
  color: var(--toast-text);
  font-size: 0.8125rem;
  font-weight: 550;
  line-height: 1.45;
  box-shadow: var(--toast-shadow);
  overflow: hidden;
  position: relative;
  pointer-events: auto;
  opacity: 0;
  transform: translateY(-0.5rem) scale(0.98);
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.toast--visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.toast--leaving {
  opacity: 0;
  transform: translateY(-0.75rem) scale(0.98);
}

.toast__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 999px;
}

.toast__message {
  flex: 1;
  min-width: 0;
  margin: 0.1rem 0;
  color: var(--toast-text-soft);
  word-break: break-word;
}

.toast__close {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.35rem;
  height: 1.35rem;
  padding: 0;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: #7c8aa1;
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
}

.toast__close:hover {
  background: rgba(15, 27, 45, 0.06);
  color: var(--toast-text);
}

.toast__timer {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 100%;
  transform-origin: left center;
  transform: scaleX(1);
}

/* Notice — mint */

.toast--notice {
  border-color: rgba(0, 194, 168, 0.32);
  background: linear-gradient(180deg, #ffffff 0%, rgba(0, 194, 168, 0.06) 100%);
}

.toast--notice .toast__icon {
  background: var(--toast-mint-soft);
  color: var(--toast-mint-strong);
}

.toast--notice .toast__timer {
  background: var(--toast-mint);
}

/* Alert — red */

.toast--alert {
  border-color: var(--toast-red-border);
  background: linear-gradient(180deg, #ffffff 0%, var(--toast-red-soft) 100%);
}

.toast--alert .toast__icon {
  background: var(--toast-red-soft);
  color: var(--toast-red);
}

.toast--alert .toast__message {
  color: var(--toast-red);
}

.toast--alert .toast__timer {
  background: #ef4444;
}

@media (max-width: 640px) {
  .toast-region {
    top: max(0.75rem, env(safe-area-inset-top));
    width: calc(100vw - 1.5rem);
    align-items: stretch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .toast {
    transition: opacity 0.01s linear;
    transform: none;
  }

  .toast--visible,
  .toast--leaving {
    transform: none;
  }

  .toast__timer {
    transition: none !important;
  }
}