/* ==========================================================================
   DS 点赞 — 心形 + 飞入数字动效
   ========================================================================== */

/* 1. 点赞按钮条(资源正文末尾) */
.ds-like-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(255, 77, 79, 0.04) 0%, rgba(245, 63, 63, 0.04) 100%);
    border-radius: 12px;
    position: relative;
    overflow: visible;
}

/* 2. 点赞按钮 */
.ds-like-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--ds-color-white);
    color: var(--ds-color-text-2);
    border: 2px solid var(--ds-color-border);
    border-radius: 30px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s;
    font-family: inherit;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    overflow: visible;
}
.ds-like-btn:hover {
    color: var(--ds-color-danger);
    border-color: var(--ds-color-danger);
    background: rgba(245, 63, 63, 0.04);
    transform: translateY(-1px);
}
.ds-like-btn .ds-like-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s;
    color: var(--ds-color-text-3);
}
.ds-like-btn:hover .ds-like-icon {
    color: var(--ds-color-danger);
    transform: scale(1.1);
}
.ds-like-btn.is-liked {
    color: var(--ds-color-danger);
    border-color: var(--ds-color-danger);
    background: rgba(245, 63, 63, 0.06);
}
.ds-like-btn.is-liked .ds-like-icon {
    color: var(--ds-color-danger);
    fill: var(--ds-color-danger);
    animation: ds-like-pop 0.4s ease;
}
.ds-like-btn .ds-like-text { white-space: nowrap; }
.ds-like-btn .ds-like-count {
    padding: 2px 8px;
    background: var(--ds-color-bg);
    color: var(--ds-color-text-2);
    border-radius: 10px;
    font-size: 13px;
    font-family: var(--ds-font-mono);
    min-width: 24px;
    text-align: center;
    transition: all 0.25s;
}
.ds-like-btn.is-liked .ds-like-count {
    background: var(--ds-color-danger);
    color: #fff;
}
.ds-like-btn.is-loading {
    opacity: 0.6;
    pointer-events: none;
}

/* 3. 数字飞入动效(+1 / -1) */
.ds-like-fly {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--ds-color-danger);
    font-size: 18px;
    font-weight: 700;
    pointer-events: none;
    animation: ds-like-fly 1.2s ease-out forwards;
}
.ds-like-fly.is-minus {
    color: var(--ds-color-text-3);
}
@keyframes ds-like-fly {
    0%   { opacity: 0; transform: translate(-50%, -50%) scale(0.5); }
    20%  { opacity: 1; transform: translate(-50%, -100%) scale(1.2); }
    100% { opacity: 0; transform: translate(-50%, -200%) scale(1); }
}

/* 4. 脉冲(点击瞬间) */
.ds-like-btn.is-pulse {
    animation: ds-like-pulse 0.6s ease;
}
@keyframes ds-like-pulse {
    0%   { transform: scale(1); }
    30%  { transform: scale(1.15); }
    60%  { transform: scale(0.95); }
    100% { transform: scale(1); }
}
@keyframes ds-like-pop {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.4); }
    100% { transform: scale(1); }
}

/* 5. 暗色模式 */
.ds-dark .ds-like-btn { background: var(--ds-color-white); }
.ds-dark .ds-like-bar { background: linear-gradient(135deg, rgba(255, 77, 79, 0.08) 0%, rgba(245, 63, 63, 0.08) 100%); }

/* 6. 移动端 */
@media (max-width: 480px) {
    .ds-like-btn { padding: 8px 18px; font-size: 14px; }
    .ds-like-btn .ds-like-icon { width: 18px; height: 18px; }
}