/* ============================================
   🌟 泡浮聊天组件 CSS
   星辰风铃入口 + AI 问答弹窗
   ============================================ */

/* --- 泡浮面板专属 CSS 变量（继承日/夜模式） --- */
/* 日间模式（默认） */
:root {
    --paofu-chat-panel-bg: #fdfbfb;
    --paofu-bubble-ai: rgba(255, 255, 255, 0.9);
    --paofu-input-bg: rgba(255, 255, 255, 0.8);
    --paofu-border: rgba(255, 255, 255, 0.9);
    --paofu-chip-bg: #fff;
    --paofu-glass: rgba(255, 255, 255, 0.45);
    --paofu-shadow: 0 6px 15px rgba(149, 117, 205, 0.15), inset 0 4px 10px rgba(255,255,255,0.8);
    --paofu-text-dark: #5c5456;
    --paofu-text-light: #a3999b;
    --paofu-accent-pink: #f48fb1;
}

/* 夜间模式 — 直接用 body.dark-mode / body.night 触发，无需额外 wrapper class */
body.dark-mode,
body.night {
    --paofu-chat-panel-bg: #1e1a1c;
    --paofu-bubble-ai: rgba(255, 255, 255, 0.08);
    --paofu-input-bg: rgba(0, 0, 0, 0.2);
    --paofu-border: rgba(255, 255, 255, 0.1);
    --paofu-chip-bg: rgba(255, 255, 255, 0.05);
    --paofu-glass: rgba(40, 35, 37, 0.6);
    --paofu-shadow: 0 6px 15px rgba(0, 0, 0, 0.4), inset 0 4px 10px rgba(255,255,255,0.05);
    --paofu-text-dark: #e8e2e4;
    --paofu-text-light: #7a6e72;
}

/* ============================================
   🌟 核心组件 1：星辰风铃 (悬浮入口)
   ============================================ */
.paofu-chime {
    position: fixed;
    top: 16px;
    right: 26px;
    z-index: 900;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    transform-origin: top center;
    animation: paofu-sway 4.5s ease-in-out infinite alternate;
    will-change: transform;
    pointer-events: auto;
}

.paofu-chime .chime-line-top {
    width: 1.5px;
    height: 25px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.9), rgba(255,255,255,0.5));
}
body.dark-mode .paofu-chime .chime-line-top,
body.night .paofu-chime .chime-line-top {
    background: linear-gradient(to bottom, rgba(255,255,255,0.3), rgba(255,255,255,0.1));
}

.paofu-chime .chime-bead {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 4px rgba(255,255,255,0.8);
    border: 1px solid rgba(200,200,200,0.3);
    margin: 2px 0;
}
body.dark-mode .paofu-chime .chime-bead,
body.night .paofu-chime .chime-bead {
    background: var(--paofu-text-light);
    box-shadow: none;
    border: none;
}

.paofu-chime .chime-line-bottom {
    width: 1.5px;
    height: 20px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5), rgba(255,255,255,0.1));
}
body.dark-mode .paofu-chime .chime-line-bottom,
body.night .paofu-chime .chime-line-bottom {
    background: linear-gradient(to bottom, rgba(255,255,255,0.1), transparent);
}

.paofu-chime .chime-charm {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--paofu-glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1.5px solid var(--paofu-border);
    box-shadow: var(--paofu-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: -2px;
    transition: background 0.3s, border-color 0.3s, box-shadow 0.3s;
    position: relative;
}

.paofu-chime .chime-charm i {
    font-size: 24px;
    color: var(--paofu-accent-pink);
    filter: drop-shadow(0 0 4px rgba(244,143,177,0.4));
    animation: paofu-star-pulse 2.5s infinite alternate;
    will-change: transform, opacity;
}

body.dark-mode .paofu-chime .chime-charm,
body.night .paofu-chime .chime-charm {
    box-shadow:
        0 6px 15px rgba(0,0,0,0.4),
        inset 0 4px 10px rgba(255,255,255,0.05),
        0 0 12px rgba(244,143,177,0.2);
}

@keyframes paofu-sway {
    0% { transform: rotate(-5deg); }
    100% { transform: rotate(5deg); }
}

@keyframes paofu-star-pulse {
    0% { transform: scale(0.9); opacity: 0.8; }
    100% { transform: scale(1.1); opacity: 1; }
}

/* ============================================
   🌟 核心组件 2：AI 智能体问答弹窗
   ============================================ */
.paofu-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.2);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 950;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.paofu-modal.open {
    opacity: 1;
    pointer-events: auto;
}

.paofu-panel {
    width: 100%;
    height: 82%;
    background: var(--paofu-chat-panel-bg);
    border-radius: 40px 40px 0 0;
    display: flex;
    flex-direction: column;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), background 0.3s;
    box-shadow: 0 -10px 40px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.paofu-modal.open .paofu-panel {
    transform: translateY(0);
}

/* 弹窗内的氛围光晕 */
.paofu-panel::before {
    content: '';
    position: absolute;
    top: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(244,143,177,0.15), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.paofu-panel::after {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(149,117,205,0.1), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

/* --- 头部 --- */
.paofu-header {
    padding: 24px 24px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--paofu-border);
    z-index: 2;
}

.paofu-title-box {
    display: flex;
    align-items: center;
    gap: 10px;
}

.paofu-title-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: #fce4ec;
    border: 1.5px solid var(--paofu-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--paofu-accent-pink);
    font-size: 20px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    overflow: hidden;
}

body.dark-mode .paofu-title-avatar,
body.night .paofu-title-avatar {
    background: rgba(244,143,177,0.1);
}

.paofu-title-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.paofu-title {
    font-family: 'Playfair Display', serif;
    font-size: 22px;
    font-weight: 800;
    color: var(--paofu-text-dark);
    transition: color 0.3s;
}

.paofu-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--paofu-input-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--paofu-text-dark);
    cursor: pointer;
    border: 1px solid var(--paofu-border);
    transition: background 0.3s, color 0.3s;
}

/* --- 聊天滚动区 --- */
.paofu-body {
    flex: 1;
    padding: 20px 20px 10px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
    z-index: 2;
    scroll-behavior: smooth;
}

.paofu-body::-webkit-scrollbar {
    display: none;
}

/* --- 消息气泡 --- */
.paofu-msg {
    display: flex;
    gap: 12px;
    max-width: 90%;
    animation: paofu-msg-pop 0.3s ease-out forwards;
}

@keyframes paofu-msg-pop {
    0% { opacity: 0; transform: translateY(10px); }
    100% { opacity: 1; transform: translateY(0); }
}

.paofu-msg.ai {
    align-self: flex-start;
}

.paofu-msg.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.paofu-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.03);
    border: 1.5px solid var(--paofu-border);
    overflow: hidden;
    background: #fce4ec;
}

.paofu-msg.ai .paofu-avatar {
    background: #fce4ec;
    color: var(--paofu-accent-pink);
    font-size: 22px;
}

body.dark-mode .paofu-msg.ai .paofu-avatar,
body.night .paofu-msg.ai .paofu-avatar {
    background: rgba(244,143,177,0.1);
}

.paofu-msg.ai .paofu-avatar img,
.paofu-msg.ai .paofu-avatar .paofu-icon {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.paofu-msg.user .paofu-avatar {
    background-color: #fff;
    box-shadow: 0 4px 10px rgba(149,117,205,0.15);
}

body.dark-mode .paofu-msg.user .paofu-avatar,
body.night .paofu-msg.user .paofu-avatar {
    border-color: rgba(255,255,255,0.2);
}

.paofu-msg.user .paofu-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.paofu-msg-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.paofu-msg.user .paofu-msg-content {
    align-items: flex-end;
}

/* 气泡 */
.paofu-bubble {
    padding: 14px 18px;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.6;
    word-wrap: break-word;
    transition: background 0.3s, color 0.3s, border-color 0.3s;
}

.paofu-msg.ai .paofu-bubble {
    background: var(--paofu-bubble-ai);
    color: var(--paofu-text-dark);
    border-radius: 4px 20px 20px 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    border: 1px solid var(--paofu-border);
}

.paofu-msg.user .paofu-bubble {
    background: linear-gradient(135deg, #9575cd 0%, #f48fb1 100%);
    color: #fff;
    border-radius: 20px 4px 20px 20px;
    box-shadow: 0 6px 15px rgba(149,117,205,0.2);
    border: 1px solid transparent;
}

.paofu-msg-time {
    font-size: 9px;
    opacity: 0.4;
    font-weight: 800;
    margin-top: 2px;
    padding: 0 4px;
    color: var(--paofu-text-dark);
    transition: color 0.3s;
}

/* --- 底部操作区 --- */
.paofu-footer {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 12px 0 30px;
    background: rgba(255,255,255,0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--paofu-border);
    z-index: 2;
    transition: background 0.3s, border-color 0.3s;
}

body.dark-mode .paofu-footer,
body.night .paofu-footer {
    background: rgba(30,26,28,0.6);
}

/* 快捷指令 */
.paofu-suggestions {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 0 20px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
}

.paofu-suggestions::-webkit-scrollbar {
    display: none;
}

.paofu-chip {
    padding: 8px 16px;
    border-radius: 20px;
    background: var(--paofu-chip-bg);
    border: 1px solid rgba(244,143,177,0.3);
    font-size: 12px;
    font-weight: 800;
    color: var(--paofu-text-dark);
    white-space: nowrap;
    flex-shrink: 0;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(244,143,177,0.08);
    transition: transform 0.2s, background 0.3s, color 0.3s;
    font-family: 'Nunito', sans-serif;
}

.paofu-chip:active {
    transform: scale(0.95);
    opacity: 0.8;
}

/* 输入框 */
.paofu-input-wrapper {
    padding: 0 20px;
}

.paofu-input-box {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--paofu-input-bg);
    border: 1.5px solid var(--paofu-border);
    border-radius: 26px;
    padding: 6px 6px 6px 18px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    transition: background 0.3s, border-color 0.3s;
}

.paofu-input-box input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    font-family: 'Nunito', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: var(--paofu-text-dark);
    transition: color 0.3s;
}

.paofu-input-box input::placeholder {
    color: var(--paofu-text-light);
    opacity: 0.6;
    font-weight: 600;
    transition: color 0.3s;
}

.paofu-send-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--paofu-text-dark);
    color: var(--paofu-chat-panel-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    font-size: 16px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: transform 0.2s, background 0.3s, color 0.3s;
}

.paofu-send-btn:active {
    transform: scale(0.9);
}

/* 加载指示器 */
.paofu-typing {
    display: flex;
    gap: 5px;
    padding: 4px 0;
    align-items: center;
}

.paofu-typing span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--paofu-text-light);
    animation: paofu-typing-bounce 1.4s infinite ease-in-out both;
    opacity: 0.6;
}

.paofu-typing span:nth-child(1) { animation-delay: -0.32s; }
.paofu-typing span:nth-child(2) { animation-delay: -0.16s; }
.paofu-typing span:nth-child(3) { animation-delay: 0s; }

@keyframes paofu-typing-bounce {
    0%, 80%, 100% { transform: scale(0.6); }
    40% { transform: scale(1); }
}