/* =====================================================
   Toast — single toast item (scoped)
   Tokens only: glasstock-design-system.css is the single source.
   ===================================================== */

.gs-toast {
    display: flex;
    align-items: flex-start;
    gap: var(--gs-space-3);
    padding: var(--gs-space-3) var(--gs-space-4);
    background-color: var(--gs-surface);
    border: 1px solid var(--gs-border);
    border-left: 4px solid var(--gs-info);
    border-radius: var(--gs-radius-md);
    box-shadow: var(--gs-shadow-lg);
    color: var(--gs-text);
    min-width: 280px;
    max-width: 420px;
    pointer-events: auto;

    /* Wave 1 polish: slide-in-right + fade at 240ms with ease-out — gives
       toasts a gentle deceleration into place. Stack-aware stagger via
       :nth-child below so multiple toasts cascade rather than land flat. */
    opacity: 0;
    transform: translateX(16px);
    animation: gs-toast-enter var(--gs-duration-base, 240ms)
        var(--gs-ease-out, cubic-bezier(0.16, 1, 0.3, 1)) forwards;
}

/* Stack-aware stagger — when multiple toasts appear together, each one
   starts 50ms after the previous so the eye tracks them top-to-bottom
   instead of flashing as a clump. Capped at 4 toasts (perceptual limit). */
.gs-toast:nth-child(2) {
    animation-delay: 50ms;
}
.gs-toast:nth-child(3) {
    animation-delay: 100ms;
}
.gs-toast:nth-child(4) {
    animation-delay: 150ms;
}
.gs-toast:nth-child(n + 5) {
    animation-delay: 150ms;
}

.gs-toast--leaving {
    /* Exit faster than enter (180ms) with ease-in — sharp acceleration
       reads as "getting out of the way". */
    animation: gs-toast-leave var(--gs-duration-fast, 180ms)
        var(--gs-ease-in, cubic-bezier(0.7, 0, 0.84, 0)) forwards;
}

@keyframes gs-toast-enter {
    from {
        opacity: 0;
        transform: translateX(16px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes gs-toast-leave {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(16px);
    }
}

@media (prefers-reduced-motion: reduce) {
    .gs-toast,
    .gs-toast--leaving {
        animation: none;
        opacity: 1;
        transform: none;
    }
}

.gs-toast__icon {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--gs-info);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.gs-toast__content {
    flex: 1;
    min-width: 0;
}

.gs-toast__message {
    margin: 0;
    font-size: var(--gs-text-base);
    line-height: 1.45;
    color: var(--gs-text);
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.gs-toast__close {
    flex-shrink: 0;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--gs-space-1);
    border-radius: var(--gs-radius-sm);
    color: var(--gs-text-muted);
    opacity: 0.8;
    transition:
        opacity var(--gs-transition-fast),
        background-color var(--gs-transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    /* Touch-friendly target */
    min-width: 32px;
    min-height: 32px;
}

@media (hover: hover) {
    .gs-toast__close:hover {
        opacity: 1;
        background-color: var(--gs-border);
    }
}

.gs-toast__close:focus-visible {
    outline: 2px solid var(--gs-primary);
    outline-offset: 2px;
    opacity: 1;
}

/* Variants — match AlertBox semantics */
.gs-toast--success {
    border-left-color: var(--gs-success);
}

.gs-toast--success .gs-toast__icon {
    color: var(--gs-success);
}

.gs-toast--warning {
    border-left-color: var(--gs-warning);
}

.gs-toast--warning .gs-toast__icon {
    color: var(--gs-warning);
}

.gs-toast--danger {
    border-left-color: var(--gs-danger);
}

.gs-toast--danger .gs-toast__icon {
    color: var(--gs-danger);
}

.gs-toast--info {
    border-left-color: var(--gs-info);
}

.gs-toast--info .gs-toast__icon {
    color: var(--gs-info);
}