.post-share-modal {
    position: fixed;
    inset: 0;
    z-index: 2600;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 1rem;
    background: rgba(10, 14, 12, 0.72);
    backdrop-filter: blur(8px);
}

.post-share-dialog {
    width: min(100%, 520px);
    max-height: min(720px, calc(100vh - 2rem));
    overflow-y: auto;
    padding: 1.25rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    background: var(--surface, #fff);
    color: var(--text, #222);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
    animation: postShareIn 0.22s ease-out;
}

.post-share-dialog-header {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding-right: 2.25rem;
}

.post-share-dialog-title {
    flex: 1;
    min-width: 0;
    margin: 0;
    font-size: 1.12rem;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

.post-share-dialog-subtitle {
    margin: 0.35rem 0 0;
    color: var(--text-light, #777);
    font-size: 0.82rem;
}

.post-share-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 2rem;
    height: 2rem;
    border: 1px solid var(--border, #ddd);
    border-radius: 50%;
    background: transparent;
    color: var(--text-light, #777);
    cursor: pointer;
}

.post-share-close:hover,
.post-share-close:focus-visible {
    border-color: var(--primary, #f0c400);
    color: var(--primary, #f0c400);
}

.post-share-options {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.7rem;
    margin-top: 1.2rem;
}

.post-share-option {
    min-width: 0;
    min-height: 76px;
    padding: 0.65rem 0.35rem;
    border: 1px solid var(--border, #ddd);
    border-radius: 10px;
    background: var(--bg, #f7f7f7);
    color: var(--text, #222);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    font-size: 0.74rem;
    transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
}

.post-share-option:hover,
.post-share-option:focus-visible {
    border-color: var(--primary, #f0c400);
    background: color-mix(in srgb, var(--primary, #f0c400) 10%, var(--bg, #f7f7f7));
    transform: translateY(-2px);
}

.post-share-option i {
    font-size: 1.35rem;
}

.post-share-option[data-share-kind="weibo"] i { color: #e6162d; }
.post-share-option[data-share-kind="qq"] i { color: #1296db; }
.post-share-option[data-share-kind="qzone"] i { color: #ffb400; }
.post-share-option[data-share-kind="telegram"] i { color: #229ed9; }
.post-share-option[data-share-kind="x"] i { color: var(--text, #222); }
.post-share-option[data-share-kind="facebook"] i { color: #1877f2; }
.post-share-option[data-share-kind="qr"] i { color: #4b5563; }

.post-share-link-row {
    display: flex;
    gap: 0.55rem;
    margin-top: 1rem;
}

.post-share-link {
    min-width: 0;
    flex: 1;
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--border, #ddd);
    border-radius: 8px;
    background: var(--bg, #f7f7f7);
    color: var(--text-light, #777);
    font-size: 0.78rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.post-share-copy {
    flex: 0 0 auto;
    padding: 0.7rem 0.85rem;
    border: 0;
    border-radius: 8px;
    background: var(--primary, #f0c400);
    color: #111;
    cursor: pointer;
    font-weight: 600;
}

.post-share-qr {
    display: none;
    margin-top: 1rem;
    padding: 1rem;
    border: 1px solid var(--border, #ddd);
    border-radius: 10px;
    text-align: center;
    background: var(--bg, #f7f7f7);
}

.post-share-qr.is-visible { display: block; }
.post-share-qr img { width: 210px; max-width: 100%; height: auto; background: #fff; }
.post-share-qr p { margin: 0.55rem 0 0; color: var(--text-light, #777); font-size: 0.78rem; }

.post-share-toast {
    position: fixed;
    left: 50%;
    bottom: 1.5rem;
    z-index: 2700;
    max-width: calc(100vw - 2rem);
    padding: 0.7rem 1rem;
    border-radius: 8px;
    background: rgba(20, 24, 22, 0.92);
    color: #fff;
    font-size: 0.86rem;
    transform: translate(-50%, 1rem);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
}

.post-share-toast.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

.post-share-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 38px;
    padding: 0.55rem 0.85rem;
    border: 1px solid var(--border, #ddd);
    border-radius: 8px;
    background: transparent;
    color: var(--text-light, #777);
    cursor: pointer;
}

.post-share-trigger:hover,
.post-share-trigger:focus-visible {
    border-color: var(--primary, #f0c400);
    color: var(--primary, #f0c400);
}

.post-detail-share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 36px;
    padding: 0 0.8rem;
    border: 1px solid var(--border-light, var(--border, #ddd));
    border-radius: 999px;
    background: transparent;
    color: var(--text-secondary, var(--text-light, #777));
    cursor: pointer;
    font: inherit;
    font-size: 0.85rem;
    transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease;
}

.post-detail-share-btn:hover,
.post-detail-share-btn:focus-visible {
    border-color: var(--primary, #f0c400);
    color: var(--primary, #f0c400);
    background: rgba(255, 215, 0, 0.08);
}

@keyframes postShareIn {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (min-width: 600px) {
    .post-share-modal { align-items: center; }
}

@media (max-width: 420px) {
    .post-share-dialog { padding: 1rem; }
    .post-share-options { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
    .post-share-dialog,
    .post-share-option,
    .post-share-toast { animation: none; transition: none; }
}