src/landppt/web/static/css/shared/site_notice.css

.site-notice {
    --notice-accent: var(--ink-strong, var(--ink, #0b0b0d));
    --notice-accent-soft: rgba(11, 11, 13, 0.08);
    --notice-accent-border: rgba(11, 11, 13, 0.16);
    --notice-surface: var(--surface, var(--paper, #ffffff));
    --notice-text: var(--text-primary, var(--ink-2, #111827));
    --notice-text-soft: var(--text-secondary, var(--muted, #6b7280));
    position: relative;
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    align-items: start;
    gap: 14px;
    width: 100%;
    margin: 0 0 18px;
    padding: 16px 18px 16px 22px;
    border-radius: var(--radius-xl, var(--border-radius-xl, 22px));
    border: 1px solid var(--notice-accent-border);
    background:
        radial-gradient(circle at 100% 0, rgba(11, 11, 13, 0.05), transparent 34%),
        linear-gradient(135deg, var(--notice-accent-soft) 0%, rgba(255, 255, 255, 0.98) 56%, var(--notice-surface) 100%);
    box-shadow: 0 18px 40px rgba(11, 11, 13, 0.08);
    overflow: hidden;
}

.site-notice::before {
    content: "";
    position: absolute;
    top: 10px;
    bottom: 10px;
    left: 10px;
    width: 4px;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--notice-accent) 0%, rgba(11, 11, 13, 0.22) 100%);
}

.site-notice::after {
    content: "";
    position: absolute;
    top: 0;
    left: 22px;
    right: 22px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.92), transparent);
}

.site-notice[hidden],
.site-notice--hidden {
    display: none !important;
}

.site-notice__icon {
    position: relative;
    z-index: 1;
    width: 44px;
    height: 44px;
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    line-height: 1;
    color: var(--notice-accent);
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.78);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.site-notice__content {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 6px;
    min-width: 0;
}

.site-notice__title {
    font-size: 1rem;
    font-weight: 900;
    line-height: 1.35;
    letter-spacing: -0.01em;
    color: var(--notice-text);
}

.site-notice__message {
    font-size: 0.93rem;
    line-height: 1.65;
    white-space: pre-wrap;
    word-break: break-word;
    color: var(--notice-text-soft);
}

.site-notice__title + .site-notice__message {
    margin-top: -2px;
}

.site-notice__content > :only-child.site-notice__message {
    color: var(--notice-text);
    font-weight: 600;
}

.site-notice--info {
    --notice-accent: #0f172a;
    --notice-accent-soft: rgba(15, 23, 42, 0.08);
    --notice-accent-border: rgba(15, 23, 42, 0.16);
}

.site-notice--success {
    --notice-accent: #166534;
    --notice-accent-soft: rgba(22, 101, 52, 0.10);
    --notice-accent-border: rgba(22, 101, 52, 0.18);
}

.site-notice--warning {
    --notice-accent: #92400e;
    --notice-accent-soft: rgba(146, 64, 14, 0.10);
    --notice-accent-border: rgba(146, 64, 14, 0.18);
}

.site-notice--danger {
    --notice-accent: #b42318;
    --notice-accent-soft: rgba(180, 35, 24, 0.10);
    --notice-accent-border: rgba(180, 35, 24, 0.18);
}

.container > .site-notice {
    margin-bottom: 22px;
}

body.auth-body .site-notice {
    margin-bottom: 6px;
    padding: 15px 16px 15px 20px;
    border-radius: var(--radius-lg, 18px);
    box-shadow: 0 16px 36px rgba(11, 11, 13, 0.08);
}

body.auth-body .site-notice::before {
    left: 9px;
}

body.auth-body .site-notice::after {
    left: 20px;
    right: 20px;
}

body.auth-body .site-notice__icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
}

body.auth-body .site-notice__title {
    font-size: 0.96rem;
}

body.auth-body .site-notice__message {
    font-size: 0.89rem;
    line-height: 1.58;
}

@media (max-width: 640px) {
    .site-notice {
        grid-template-columns: 38px minmax(0, 1fr);
        gap: 12px;
        padding: 14px 14px 14px 18px;
        border-radius: 18px;
    }

    .site-notice::before {
        top: 8px;
        bottom: 8px;
        left: 8px;
    }

    .site-notice::after {
        left: 18px;
        right: 18px;
    }

    .site-notice__icon {
        width: 38px;
        height: 38px;
        border-radius: 12px;
    }

    .site-notice__title {
        font-size: 0.95rem;
    }

    .site-notice__message {
        font-size: 0.88rem;
        line-height: 1.55;
    }
}

@media (prefers-reduced-motion: no-preference) {
    .site-notice {
        animation: siteNoticeEnter 220ms cubic-bezier(0.16, 1, 0.3, 1) both;
    }
}

@keyframes siteNoticeEnter {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}