/* 邮件模拟进度浮层 · 全站右上角 */
.mail-demo-toast-host {
    position: fixed;
    top: calc(var(--header-height, 60px) + 14px);
    right: 18px;
    z-index: 100500;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
    pointer-events: none;
    max-width: min(380px, calc(100vw - 24px));
}

.mail-demo-toast {
    --toast-ease-enter: cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    width: min(360px, calc(100vw - 32px));
    padding: 14px 16px 16px;
    pointer-events: auto;
    border-radius: 16px;
    background: var(--surface);
    border: 1px solid color-mix(in srgb, var(--primary) 24%, var(--border));
    box-shadow:
        0 1px 0 color-mix(in srgb, #fff 60%, transparent) inset,
        0 20px 44px -18px color-mix(in srgb, var(--primary) 22%, transparent),
        0 12px 32px -12px rgba(15, 23, 42, 0.12);
    transform: translate3d(28px, -10px, 0) scale(0.97);
    opacity: 0;
    filter: blur(4px);
    transition: filter 0.3s;
}

.mail-demo-toast.is-visible {
    animation: mail-demo-toast-in 0.65s var(--toast-ease-enter) forwards;
}

.mail-demo-toast.is-leaving {
    animation: mail-demo-toast-out 0.42s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    pointer-events: none;
}

@keyframes mail-demo-toast-in {
    to {
        transform: translate3d(0, 0, 0) scale(1);
        opacity: 1;
        filter: blur(0);
    }
}

@keyframes mail-demo-toast-out {
    to {
        transform: translate3d(28px, -10px, 0) scale(0.98);
        opacity: 0;
        filter: blur(3px);
    }
}

.mail-demo-toast__close {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 26px;
    height: 26px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-tertiary);
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.mail-demo-toast__close:hover {
    background: var(--bg);
    color: var(--text);
}

.mail-demo-toast__head {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-right: 24px;
    margin-bottom: 12px;
}

.mail-demo-toast__icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: var(--primary);
    box-shadow: 0 4px 12px -4px color-mix(in srgb, var(--primary) 50%, transparent);
}

.mail-demo-toast__icon--ok {
    font-size: 1rem;
    font-weight: 800;
    background: var(--success, #22c55e);
    box-shadow: 0 4px 12px -4px color-mix(in srgb, var(--success, #22c55e) 45%, transparent);
}

.mail-demo-toast__titles strong {
    display: block;
    font-size: 0.84rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
}

.mail-demo-toast__titles span {
    display: block;
    margin-top: 2px;
    font-size: 0.72rem;
    color: var(--text-tertiary);
}

.mail-demo-toast__steps {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.mail-demo-toast__step {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 10px;
    border-radius: 10px;
    border: 1px solid var(--border-light);
    background: var(--bg);
    opacity: 0.42;
    transform: translateX(-4px);
    transition:
        opacity 0.28s,
        transform 0.28s var(--ease-expo-out),
        border-color 0.28s,
        background 0.28s;
}

.mail-demo-toast__step.is-active {
    opacity: 1;
    transform: translateX(0);
    border-color: color-mix(in srgb, var(--primary) 28%, var(--border));
    background: color-mix(in srgb, var(--primary) 5%, var(--surface));
}

.mail-demo-toast__step.is-done {
    opacity: 1;
    transform: translateX(0);
    border-color: color-mix(in srgb, var(--success, #22c55e) 22%, var(--border));
}

.mail-demo-toast__step-dot {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 800;
    color: var(--text-tertiary);
    background: var(--surface);
    border: 1.5px solid var(--border);
    transition: all 0.28s;
}

.mail-demo-toast__step.is-active .mail-demo-toast__step-dot {
    color: var(--primary);
    border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
}

.mail-demo-toast__step.is-done .mail-demo-toast__step-dot {
    color: #fff;
    background: var(--success, #22c55e);
    border-color: transparent;
    font-size: 0;
}

.mail-demo-toast__step.is-done .mail-demo-toast__step-dot::after {
    content: "✓";
    font-size: 0.65rem;
}

.mail-demo-toast__step-text strong {
    display: block;
    font-size: 0.74rem;
    font-weight: 700;
    line-height: 1.3;
}

.mail-demo-toast__step-text span {
    font-size: 0.64rem;
    color: var(--text-tertiary);
}

.mail-demo-toast__summary {
    margin: 0 0 10px;
    font-size: 0.76rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.mail-demo-toast__links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.mail-demo-toast__links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.72rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--primary);
    background: color-mix(in srgb, var(--primary) 8%, var(--surface));
    border: 1px solid color-mix(in srgb, var(--primary) 18%, transparent);
    transition: background 0.2s, border-color 0.2s;
}

.mail-demo-toast__links a:hover {
    background: color-mix(in srgb, var(--primary) 14%, var(--surface));
}

@media (max-width: 640px) {
    .mail-demo-toast-host {
        top: calc(var(--header-height, 60px) + 8px);
        right: 10px;
        left: 10px;
        max-width: none;
        align-items: stretch;
    }

    .mail-demo-toast {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .mail-demo-toast,
    .mail-demo-toast__step {
        transition: none;
        animation: none;
        filter: none;
        transform: none;
        opacity: 1;
    }
}