:root {
  --flash-radius: 14px;
  --flash-padding-y: 0.9rem;
  --flash-padding-x: 1.1rem;
  --flash-gap: 0.75rem;
  --flash-border-width: 1px;
  --flash-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);

  --flash-success-bg: #f0fdf4;
  --flash-success-border: #86efac;
  --flash-success-text: #14532d;

  --flash-info-bg: #eff6ff;
  --flash-info-border: #93c5fd;
  --flash-info-text: #1e3a8a;

  --flash-warning-bg: #fefce8;
  --flash-warning-border: #fcd34d;
  --flash-warning-text: #713f12;

  --flash-error-bg: #fef2f2;
  --flash-error-border: #fda4af;
  --flash-error-text: #7f1d1d;
}

.flash-message-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.flash-message {
  position: relative;
  border-radius: var(--flash-radius);
  padding: var(--flash-padding-y) var(--flash-padding-x);
  border: var(--flash-border-width) solid transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--flash-gap);
  box-shadow: var(--flash-shadow);
  background: #fff;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.flash-message--closing {
  opacity: 0;
  transform: translateY(-4px);
}

.flash-message__content {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  width: 100%;
}

.flash-message__icon {
  font-size: 1.2rem;
}

.flash-message__body {
  flex: 1;
  font-size: 0.95rem;
  line-height: 1.5;
}

.flash-message__close {
  border: none;
  background: transparent;
  color: inherit;
  padding: 0.35rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.flash-message__close:hover,
.flash-message__close:focus-visible {
  background: rgba(15, 23, 42, 0.08);
}

.flash-message--success {
  background: var(--flash-success-bg);
  border-color: var(--flash-success-border);
  color: var(--flash-success-text);
}

.flash-message--info {
  background: var(--flash-info-bg);
  border-color: var(--flash-info-border);
  color: var(--flash-info-text);
}

.flash-message--warning {
  background: var(--flash-warning-bg);
  border-color: var(--flash-warning-border);
  color: var(--flash-warning-text);
}

.flash-message--error {
  background: var(--flash-error-bg);
  border-color: var(--flash-error-border);
  color: var(--flash-error-text);
}

.flash-message--inline {
  box-shadow: none;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
}

.flash-message--compact {
  padding: 0.55rem 0.8rem;
  border-radius: 8px;
  font-size: 0.85rem;
}

.flash-message.is-dismissible {
  padding-right: calc(var(--flash-padding-x) + 1.5rem);
}

.flash-message--inline .flash-message__body {
  font-size: 0.9rem;
}