/* 灵机易动 AI 助手 — 独立样式（不依赖 lingji.css）
   硬约束：10px 圆角、柔和阴影、无硬边框、浅色冷调、紧凑布局
   夜间模式：复用 AeroCore 主题变量（--bg-card / --text-primary / --border-primary / --color-link 等），
            自动跟随网页深色；系统级深色与常见 .dark 切换类做兜底。 */

/* ===== 颜色变量：跟随主题变量 + 浅色兜底（组件根定义，子元素继承） ===== */
.ljyi-ai-fab,
.ljyi-ai-overlay {
    --ljyi-bg: var(--bg-card, #ffffff);
    --ljyi-bg-soft: var(--bg-hover, #f5f7fa);
    --ljyi-text: var(--text-primary, #1f2937);
    --ljyi-text-2: var(--text-secondary, #64748b);
    --ljyi-border: var(--border-primary, #e5e9f0);
    --ljyi-primary: var(--color-link, #2563eb);
    --ljyi-primary-soft: var(--bg-hover, #eef3ff);
}

/* 系统级深色兜底 */
@media (prefers-color-scheme: dark) {
    .ljyi-ai-fab,
    .ljyi-ai-overlay {
        --ljyi-bg: var(--bg-card, #111827);
        --ljyi-bg-soft: var(--bg-hover, #1e293b);
        --ljyi-text: var(--text-primary, #e5e7eb);
        --ljyi-text-2: var(--text-secondary, #94a3b8);
        --ljyi-border: var(--border-primary, #2b3a4f);
        --ljyi-primary: var(--color-link, #60a5fa);
        --ljyi-primary-soft: var(--bg-hover, #1e2a44);
    }
}

/* 主题手动切换深色（常见 class 形式）兜底 */
html.dark .ljyi-ai-fab,
html[data-theme="dark"] .ljyi-ai-fab,
body.dark .ljyi-ai-fab,
.dark .ljyi-ai-fab,
html.dark .ljyi-ai-overlay,
html[data-theme="dark"] .ljyi-ai-overlay,
body.dark .ljyi-ai-overlay,
.dark .ljyi-ai-overlay {
    --ljyi-bg: var(--bg-card, #111827);
    --ljyi-bg-soft: var(--bg-hover, #1e293b);
    --ljyi-text: var(--text-primary, #e5e7eb);
    --ljyi-text-2: var(--text-secondary, #94a3b8);
    --ljyi-border: var(--border-primary, #2b3a4f);
    --ljyi-primary: var(--color-link, #60a5fa);
    --ljyi-primary-soft: var(--bg-hover, #1e2a44);
}

.ljyi-ai-fab {
    position: fixed;
    right: 24px;
    top: 150px;
    z-index: 99998;
    display: flex;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    padding: 0;
    background: var(--ljyi-bg);
    color: var(--ljyi-primary);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    cursor: pointer;
    white-space: nowrap !important;
    user-select: none;
    animation: ljyi-ai-float 3s ease-in-out infinite, ljyi-ai-pulse 3s ease-in-out infinite;
}

.ljyi-ai-fab:hover {
    background: var(--ljyi-primary-soft);
    animation-play-state: paused;
}

/* 循环动效：轻微上下浮动 + 呼吸缩放 */
@keyframes ljyi-ai-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes ljyi-ai-pulse {
    0%, 100% { box-shadow: 0 8px 24px rgba(37, 99, 235, 0.10); }
    50% { box-shadow: 0 12px 28px rgba(37, 99, 235, 0.22); }
}

.ljyi-ai-robot {
    display: block;
    width: 42px !important;
    height: 42px !important;
    min-width: 42px !important;
    min-height: 42px !important;
    flex: 0 0 auto;
}

.ljyi-ai-head-left .ljyi-ai-robot {
    width: 34px !important;
    height: 34px !important;
    min-width: 34px !important;
    min-height: 34px !important;
}

.ljyi-ai-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #22c55e;
}

.ljyi-ai-overlay {
    position: fixed;
    inset: 0;
    background: radial-gradient(circle at center, rgba(37, 99, 235, 0.12) 0%, rgba(15, 23, 42, 0.48) 70%);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 99999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.ljyi-ai-overlay.open {
    display: flex;
}

.ljyi-ai-modal {
    width: 660px;
    max-width: 92vw;
    height: 560px;
    max-height: 84vh;
    background: var(--ljyi-bg);
    border-radius: 10px;
    box-shadow:
        0 0 0 1px rgba(37, 99, 235, 0.08),
        0 24px 60px rgba(0, 0, 0, 0.18),
        0 0 40px rgba(37, 99, 235, 0.12);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.ljyi-ai-head {
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--ljyi-border);
    background: var(--ljyi-bg);
}

.ljyi-ai-head-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ljyi-ai-head-text {
    display: flex;
    flex-direction: column;
}

.ljyi-ai-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--ljyi-text);
}

.ljyi-ai-sub {
    font-size: 12px;
    color: var(--ljyi-text-2);
    margin-top: 2px;
}

.ljyi-ai-close {
    border: none;
    background: transparent;
    font-size: 20px;
    color: var(--ljyi-text-2);
    cursor: pointer;
    line-height: 1;
}

.ljyi-ai-body {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    padding: 16px;
    background: var(--ljyi-bg-soft);
}

.ljyi-ai-bubble {
    margin-bottom: 12px;
    display: flex;
}

.ljyi-ai-bubble.user {
    justify-content: flex-end;
}

.ljyi-ai-msg {
    max-width: 80%;
    padding: 9px 13px;
    border-radius: 10px;
    font-size: 14px;
    line-height: 1.6;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
    white-space: pre-wrap;
    word-break: break-word;
}

.ljyi-ai-caret {
    display: inline-block;
    width: 7px;
    height: 1em;
    margin-left: 2px;
    vertical-align: -2px;
    background: var(--ljyi-primary);
    border-radius: 1px;
    animation: ljyi-ai-blink 1s steps(1, end) infinite;
}

@keyframes ljyi-ai-blink {
    0%, 50% { opacity: 1; }
    50.01%, 100% { opacity: 0; }
}

.ljyi-ai-bubble.ai .ljyi-ai-msg {
    background: var(--ljyi-bg);
    color: var(--ljyi-text);
    border: 1px solid var(--ljyi-border);
}

.ljyi-ai-bubble.user .ljyi-ai-msg {
    background: var(--ljyi-primary);
    color: #ffffff;
}

.ljyi-ai-typing {
    font-size: 13px;
    color: var(--ljyi-text-2);
    padding: 4px 2px;
}

.ljyi-ai-foot {
    padding: 12px 16px;
    border-top: 1px solid var(--ljyi-border);
    background: var(--ljyi-bg);
    display: flex;
    gap: 8px;
}

.ljyi-ai-foot textarea {
    flex: 1;
    resize: none;
    height: 42px;
    padding: 10px 12px;
    border: 1px solid var(--ljyi-border);
    border-radius: 10px;
    font-size: 14px;
    color: var(--ljyi-text);
    outline: none;
    font-family: inherit;
    background: var(--ljyi-bg);
}

.ljyi-ai-foot textarea:focus {
    border-color: var(--ljyi-primary);
}

.ljyi-ai-send {
    align-self: flex-end;
    background: var(--ljyi-primary);
    color: #ffffff;
    border: none;
    padding: 0 18px;
    height: 42px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.ljyi-ai-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

@media (max-width: 768px) {
    .ljyi-ai-fab {
        right: 16px;
        top: auto;
        bottom: 16px;
    }

    .ljyi-ai-modal {
        width: 92vw;
        height: 80vh;
    }
}