/* =========================================================
   博客宠物"团子"：左下角悬浮团子 + 对话面板
   （配合 js/pet-chat.js 使用；颜色尽量走主题变量，自动适配明暗）
   ========================================================= */

/* —— 锚点：固定在左下角 —— */
.pet-root {
    position: fixed;
    left: 24px;
    bottom: 24px;
    z-index: 950; /* 高于正文，低于音乐播放条(1000)和灯箱(9999) */
    font-family: inherit;
}

/* —— 团子本体：奶油小饭团 —— */
.pet-dango {
    position: relative;
    display: block;
    width: 60px;
    height: 54px;
    border: none;
    padding: 0;
    cursor: pointer;
    background: linear-gradient(160deg, #fffef9 0%, #ffe9c9 68%, #ffd9a8 100%);
    border-radius: 48% 48% 52% 52% / 58% 58% 44% 44%;
    box-shadow:
        0 6px 14px rgba(0, 0, 0, 0.14),
        inset 0 -4px 8px rgba(255, 150, 60, 0.20),
        inset 0 3px 6px rgba(255, 255, 255, 0.9);
    animation: pet-breathe 3.6s ease-in-out infinite;
    transition: filter 0.2s;
    touch-action: none;  /* 触屏上拖团子时不带动页面滚动 */
    cursor: grab;
}
.pet-dango:active {
    cursor: grabbing;
}
.pet-dango:hover {
    filter: brightness(1.04) drop-shadow(0 8px 16px rgba(var(--accent-rgb), 0.35));
}
.pet-dango:active {
    filter: brightness(0.97);
    animation-play-state: paused;
}
@keyframes pet-breathe {
    0%, 100% { transform: scale(1, 1); }
    50%      { transform: scale(1.045, 0.955); }
}

/* —— 脸 —— */
.pet-face {
    position: absolute;
    inset: 0;
}
.pet-eye {
    position: absolute;
    top: 22px;
    width: 6.5px;
    height: 8px;
    border-radius: 50%;
    background: #4b3a2f;
    animation: pet-blink 4.4s infinite;
}
.pet-eye-l { left: 16px; }
.pet-eye-r { right: 16px; }
@keyframes pet-blink {
    0%, 93%, 100% { transform: scaleY(1); }
    96%           { transform: scaleY(0.08); }
}
.pet-blush {
    position: absolute;
    top: 30px;
    width: 9px;
    height: 5.5px;
    border-radius: 50%;
    background: rgba(var(--accent-rgb), 0.32);
}
.pet-blush-l { left: 8px; }
.pet-blush-r { right: 8px; }
.pet-mouth {
    position: absolute;
    top: 32px;
    left: 50%;
    width: 8px;
    height: 5px;
    margin-left: -4px;
    border-bottom: 2px solid #4b3a2f;
    border-radius: 0 0 8px 8px;
}

/* 开心脸（面板打开时）：眼睛变 ^，嘴变大 */
.pet-root.open .pet-eye {
    height: 5px;
    background: transparent;
    border-top: 2.5px solid #4b3a2f;
    border-radius: 8px 8px 0 0;
    animation: none;
}
.pet-root.open .pet-mouth {
    width: 12px;
    height: 7px;
}

/* 思考脸（等模型回话时）：眼睛闭成 – –，嘴变 o */
.pet-root.thinking .pet-eye {
    width: 8px;
    height: 2.5px;
    border-radius: 2px;
    background: #4b3a2f;
    animation: none;
}
.pet-root.thinking .pet-mouth {
    width: 5px;
    height: 5px;
    margin-left: -2.5px;
    border: 2px solid #4b3a2f;
    border-radius: 50%;
    border-bottom-color: transparent;
    border-left-color: transparent;
    transform: rotate(-45deg);
}

/* —— 拖拽中：呼吸暂停、团子绷紧 —— */
.pet-root.pet-dragging {
    z-index: 960;
}
.pet-root.pet-dragging .pet-dango {
    animation: none;
    transform: scale(1.1);
    filter: brightness(1.06);
}

/* —— 拖到屏幕右半边：面板/气泡改为朝左开，避免超出视口 —— */
.pet-root.pet-flip .pet-chat {
    left: auto;
    right: 0;
    transform-origin: calc(100% - 24px) 100%;
}
.pet-root.pet-flip .pet-hint {
    left: auto;
    right: 4px;
}
.pet-root.pet-flip .pet-hint::after {
    left: auto;
    right: 18px;
}

/* —— 拖到屏幕高处：面板/气泡改为朝下开 —— */
.pet-root.pet-top .pet-chat {
    bottom: auto;
    top: 72px;
    transform-origin: 24px 0;
}
.pet-root.pet-top.pet-flip .pet-chat {
    transform-origin: calc(100% - 24px) 0;
}
.pet-root.pet-top .pet-hint {
    bottom: auto;
    top: 72px;
}

/* —— 进场提示气泡 —— */
.pet-hint {
    position: absolute;
    left: 4px;
    bottom: 72px;
    max-width: 190px;
    padding: 7px 12px;
    font-size: 12.5px;
    line-height: 1.5;
    color: var(--text-main);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
    pointer-events: none;
}
.pet-hint::after { /* 小尾巴 */
    content: '';
    position: absolute;
    left: 18px;
    bottom: -5px;
    width: 10px;
    height: 10px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    transform: rotate(45deg);
}
.pet-hint.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* —— 对话面板 —— */
.pet-chat {
    position: absolute;
    left: 0;
    bottom: 72px;
    width: 330px;
    max-height: min(70vh, 480px);
    display: none;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    box-shadow: 0 16px 44px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    transform-origin: 24px 100%;
}
.pet-root.open .pet-chat {
    display: flex;
    animation: pet-pop 0.22s ease-out;
}
@keyframes pet-pop {
    from { opacity: 0; transform: scale(0.72) translateY(10px); }
}

/* 头部 */
.pet-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 12px;
    border-bottom: 1px solid var(--border-color);
}
.pet-title b {
    font-size: 14.5px;
    color: var(--text-strong);
    margin-right: 6px;
}
.pet-title em {
    font-style: normal;
    font-size: 11px;
    color: var(--text-muted);
}
.pet-head-btns {
    display: flex;
    gap: 4px;
}
.pet-icon-btn {
    width: 26px;
    height: 26px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1;
    cursor: pointer;
}
.pet-icon-btn:hover {
    background: var(--bg-button);
    color: var(--text-main);
}

/* 消息区 */
.pet-msgs {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    scrollbar-width: thin;
}
.pet-msg {
    max-width: 84%;
    padding: 8px 12px;
    border-radius: 14px;
    font-size: 13.5px;
    line-height: 1.6;
    word-break: break-word;
    white-space: normal;
}
.pet-msg.u {
    align-self: flex-end;
    background: var(--accent);
    color: #fff;
    border-bottom-right-radius: 4px;
}
.pet-msg.a {
    align-self: flex-start;
    background: var(--bg-button);
    color: var(--text-main);
    border-bottom-left-radius: 4px;
}
.pet-msg .pet-link {
    display: inline-block;
    margin-top: 4px;
    color: var(--accent);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
}

/* 输入中：三个跳动的小点 */
.pet-typing .pet-dots {
    display: inline-flex;
    gap: 4px;
    padding: 2px 0;
}
.pet-dots i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-muted);
    animation: pet-dot 1.2s infinite;
}
.pet-dots i:nth-child(2) { animation-delay: 0.15s; }
.pet-dots i:nth-child(3) { animation-delay: 0.3s; }
@keyframes pet-dot {
    0%, 60%, 100% { transform: translateY(0); }
    30%           { transform: translateY(-5px); }
}

/* 输入行 */
.pet-input-row {
    display: flex;
    gap: 8px;
    padding: 10px 10px 6px;
    border-top: 1px solid var(--border-color);
}
.pet-input-row input {
    flex: 1;
    min-width: 0;
    padding: 8px 10px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-body);
    color: var(--text-main);
    font-size: 13.5px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}
.pet-input-row input:focus {
    border-color: var(--accent);
}
.pet-input-row button {
    min-width: 58px;
    padding: 0 12px;
    border: none;
    border-radius: 10px;
    background: var(--accent);
    color: #fff;
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: filter 0.2s;
}
.pet-input-row button:hover {
    filter: brightness(0.94);
}

.pet-foot {
    padding: 2px 0 7px;
    font-size: 10.5px;
    color: var(--text-muted);
    text-align: center;
    user-select: none;
}

/* —— 移动端 —— */
@media (max-width: 768px) {
    .pet-root {
        left: 14px;
        bottom: 14px;
    }
    .pet-chat {
        width: calc(100vw - 28px);
        max-width: 330px;
    }
    .pet-hint,
    .pet-chat {
        bottom: 66px;
    }
}

/* —— 减少动态效果偏好 —— */
@media (prefers-reduced-motion: reduce) {
    .pet-dango,
    .pet-eye,
    .pet-root.open .pet-chat,
    .pet-dots i {
        animation: none;
    }
}