/* =========================================================
   MacroMind AI Assistant 视觉升级层（覆盖 style.css）
   主题：深蓝学术 + 金色点缀，专注、专业、有质感
   ========================================================= */

/* ---------- 聊天输入区（新两行结构） ---------- */
.chat-input-area {
    flex-direction: column;
    gap: 8px;
    padding: 10px 14px 14px;
}
.chat-toolbar {
    display: flex;
    gap: 6px;
    align-items: center;
}
.chat-tool {
    width: 32px;
    height: 32px;
    border-radius: 9px;
    border: 1px solid #dfe6f2;
    background: #f5f8ff;
    color: #34466b;
    font-size: 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .18s;
    line-height: 1;
}
.chat-tool:hover {
    background: #e9f0ff;
    border-color: #b9cdf5;
    transform: translateY(-1px);
}
.chat-tool.active {
    background: #1f3a5f;
    border-color: #1f3a5f;
    box-shadow: 0 0 0 3px rgba(31, 58, 95, .18);
    animation: mmPulse 1.1s ease-in-out infinite;
}
.chat-input-row {
    display: flex;
    gap: 10px;
}
@keyframes mmPulse {
    0%, 100% { box-shadow: 0 0 0 3px rgba(31, 58, 95, .18); }
    50% { box-shadow: 0 0 0 6px rgba(31, 58, 95, .28); }
}

/* ---------- 聊天窗口 ---------- */
.chat-window {
    border: 1px solid #dbe4f2;
    border-radius: 20px;
    box-shadow: 0 18px 44px rgba(23, 43, 77, .10);
    height: 660px;
    background: #ffffff;
}
.chat-header {
    background: linear-gradient(90deg, #16304f, #274b74 55%, #3a5f8f);
    border-bottom: none;
    padding: 14px 20px;
}
.chat-header-info strong { color: #ffffff; }
.chat-header-info span { color: #cfe0f5; }
.chat-avatar {
    background: linear-gradient(135deg, #c9a227, #e8c766);
    color: #1f3a5f;
    font-size: 18px;
    box-shadow: 0 4px 14px rgba(201, 162, 39, .35);
}
.mini-button {
    border-color: rgba(255, 255, 255, .35);
    color: #eaf1fb;
    background: rgba(255, 255, 255, .08);
}
.mini-button:hover { background: rgba(255, 255, 255, .18); }

/* ---------- 消息气泡 ---------- */
.chat-body { padding: 18px 18px 6px; }
.ai-message .message-content {
    background: #f2f6fd;
    border: 1px solid #dbe6f7;
    color: #25374f;
    border-radius: 14px 14px 14px 4px;
}
.user-message .message-content {
    background: linear-gradient(135deg, #274b74, #355f92);
    border-color: transparent;
    color: #ffffff;
    border-radius: 14px 14px 4px 14px;
    box-shadow: 0 4px 14px rgba(39, 75, 116, .22);
}
.message-avatar {
    background: linear-gradient(135deg, #c9a227, #e8c766);
    color: #1f3a5f;
}
.typing-indicator span { background: #7a93bd; }

/* ---------- 输入框与发送 ---------- */
.chat-input {
    border: 1px solid #cfdaea;
    border-radius: 12px;
    background: #f6f9ff;
    padding: 13px 16px;
}
.chat-input:focus {
    border-color: #2f5a8f;
    box-shadow: 0 0 0 3px rgba(47, 90, 143, .13);
    background: #ffffff;
}
.send-button {
    background: linear-gradient(135deg, #274b74, #3a6ea5);
    color: #fff;
    border-radius: 12px;
    box-shadow: 0 5px 16px rgba(39, 75, 116, .3);
}
.send-button:hover {
    background: linear-gradient(135deg, #1f3a5f, #2f5a8f);
}
.chat-footnote {
    color: #8a9bb8;
    font-size: 11px;
}

/* ---------- 数字人卡片（深蓝学术舞台） ---------- */
.digital-human-card {
    background: linear-gradient(165deg, #10243e 0%, #1c3a60 55%, #274b74 100%);
    border: 1px solid #33598a;
    border-radius: 22px;
    padding: 20px;
    box-shadow: 0 20px 50px rgba(13, 33, 58, .30);
    position: sticky;
    top: 84px;
}
.dh-stage {
    aspect-ratio: 3/4;
    border-radius: 16px;
    background: radial-gradient(120% 90% at 50% 0%, #2a5282 0%, #16304f 58%, #0e2138 100%);
    border: 1px solid rgba(140, 175, 220, .25);
    box-shadow: inset 0 0 60px rgba(20, 60, 110, .5), 0 0 40px rgba(47, 90, 143, .25);
}
.dh-stage::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(1px 1px at 20% 25%, rgba(255,255,255,.5) 50%, transparent 51%),
        radial-gradient(1px 1px at 70% 15%, rgba(255,255,255,.4) 50%, transparent 51%),
        radial-gradient(1.5px 1.5px at 82% 45%, rgba(255,255,255,.35) 50%, transparent 51%),
        radial-gradient(1px 1px at 35% 60%, rgba(255,255,255,.35) 50%, transparent 51%),
        radial-gradient(1px 1px at 60% 78%, rgba(255,255,255,.3) 50%, transparent 51%);
    pointer-events: none;
    border-radius: 16px;
}
.dh-ring {
    border: 2px solid rgba(200, 170, 70, .35);
    box-shadow: 0 0 24px rgba(200, 170, 70, .2);
}
.digital-human-card.speaking .dh-ring {
    border-color: rgba(232, 199, 102, .85);
    box-shadow: 0 0 34px rgba(232, 199, 102, .4);
}
.digital-human-card .dh-info .dh-name {
    color: #f2f6fd;
}
.digital-human-card .dh-info .dh-status {
    color: #b7cce8;
}
.digital-human-card .dh-status .status-dot { background: #4cd6a0; }
.dh-speech {
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .16);
    color: #e8f0fb;
    backdrop-filter: blur(6px);
    border-radius: 14px;
}
.dh-speech::before {
    background: rgba(255, 255, 255, .08);
    border-left: 1px solid rgba(255, 255, 255, .16);
    border-top: 1px solid rgba(255, 255, 255, .16);
}
.dh-tips .dh-tips-title { color: #cfe0f5; }
.digital-human-card .dh-tips .quick-question {
    background: rgba(255, 255, 255, .07);
    border: 1px solid rgba(255, 255, 255, .14);
    color: #dbe9fb;
}
.digital-human-card .dh-tips .quick-question:hover {
    background: rgba(255, 255, 255, .16);
    border-color: rgba(232, 199, 102, .5);
    color: #ffffff;
}

/* ---------- AI 顾问浮窗 ---------- */
.advisor-panel {
    border-radius: 18px;
    border: 1px solid #d8e2f2;
    box-shadow: 0 22px 60px rgba(15, 35, 62, .28);
    overflow: hidden;
}
.advisor-head {
    background: linear-gradient(90deg, #16304f, #2f5480);
    color: #fff;
}
.advisor-head span { color: #cfe0f5; }
.advisor-bubble { border-radius: 12px 12px 12px 4px; }
.advisor-msg.user .advisor-bubble {
    background: linear-gradient(135deg, #274b74, #355f92);
    color: #fff;
    border-radius: 12px 12px 4px 12px;
}
.advisor-fab {
    box-shadow: 0 12px 32px rgba(23, 43, 77, .35);
    border: 2px solid #e8c766;
}
.advisor-input input {
    border: 1px solid #cfdaea;
    border-radius: 10px;
    background: #f6f9ff;
}
.advisor-input button {
    background: linear-gradient(135deg, #274b74, #3a6ea5);
    color: #fff;
    border-radius: 10px;
}

/* ---------- 全局微调 ---------- */
.status-dot { box-shadow: 0 0 8px rgba(76, 214, 160, .6); }
.chat-body::-webkit-scrollbar, .advisor-msgs::-webkit-scrollbar { width: 6px; }
.chat-body::-webkit-scrollbar-thumb, .advisor-msgs::-webkit-scrollbar-thumb { background: #b9c9e2; border-radius: 6px; }

/* 移动端适配 */
@media (max-width: 720px) {
    .chat-window { height: 66vh; }
    .digital-human-card { position: static; grid-template-columns: 96px 1fr; gap: 12px; }
}

/* ---------- 代码块与运行预览 ---------- */
.code-block {
    position: relative;
    margin: 8px 0;
    border: 1px solid #dbe4f2;
    border-radius: 12px;
    overflow: hidden;
    background: #0f1f35;
}
.code-block .code-lang {
    font-size: 10.5px;
    letter-spacing: .5px;
    color: #8fb3dd;
    background: #16283f;
    padding: 4px 12px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    text-transform: uppercase;
}
.code-block pre {
    margin: 0;
    padding: 12px 14px;
    max-height: 300px;
    overflow: auto;
}
.code-block code {
    color: #d7e4f7;
    font-size: 12.5px;
    line-height: 1.55;
    font-family: Consolas, "Courier New", monospace;
    background: transparent;
    white-space: pre;
}
.code-run {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin: 10px 12px;
    padding: 6px 14px;
    border-radius: 8px;
    border: 1px solid rgba(232, 199, 102, .45);
    background: rgba(201, 162, 39, .14);
    color: #e8c766;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all .18s;
}
.code-run:hover {
    background: rgba(201, 162, 39, .28);
    transform: translateY(-1px);
}

/* ---------- AI 生成图片 ---------- */
.ai-gen-img {
    max-width: 100%;
    max-height: 340px;
    border-radius: 12px;
    margin: 8px 0 4px;
    border: 1px solid #dbe4f2;
    box-shadow: 0 8px 22px rgba(20, 40, 70, .15);
    cursor: zoom-in;
    transition: transform .2s;
}
.ai-gen-img:hover { transform: scale(1.01); }

/* ---------- 代码预览弹窗 ---------- */
.preview-modal { width: min(880px, 94vw); height: min(78vh, 700px); padding: 0; overflow: hidden; display: flex; flex-direction: column; }
.preview-modal .modal-header { padding: 12px 18px; background: linear-gradient(90deg, #16304f, #2f5480); border-bottom: none; }
.preview-modal .modal-header h2 { color: #fff; font-size: 15px; }
.preview-modal .modal-close { color: #fff; }
#preview-frame {
    flex: 1;
    width: 100%;
    border: none;
    background: #fff;
}
/* ===== 个性化推荐 ===== */
.rec-section{margin:28px 0;padding:22px;background:#fff;border:1px solid #e3e9f2;border-radius:14px;}
.rec-empty{padding:24px;text-align:center;color:#8a97ab;font-size:14px;background:#f6f8fc;border-radius:10px;}
.rec-card{border:1px solid #e3e9f2;border-radius:12px;padding:16px;margin-bottom:14px;background:#fafcff;}
.rec-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;}
.rec-head b{color:#274b74;font-size:15px;}
.rec-pct{font-size:12.5px;color:#c0392b;background:#fdecea;padding:3px 10px;border-radius:20px;}
.rec-actions{display:flex;gap:10px;margin-bottom:12px;}
.rec-btn{padding:7px 16px;border:1px solid #4f7cff;background:#fff;color:#4f7cff;border-radius:8px;cursor:pointer;font-size:13px;}
.rec-btn:hover{background:#eaf1ff;}
.rec-primary{background:#4f7cff;color:#fff;}
.rec-primary:hover{background:#3a63e0;}
.rec-vlabel{font-size:12px;color:#8a97ab;margin-bottom:6px;}
.rec-video{padding:8px 12px;background:#fff;border:1px solid #e3e9f2;border-radius:8px;margin-bottom:6px;cursor:pointer;font-size:13px;color:#274b74;}
.rec-video:hover{border-color:#4f7cff;background:#f0f5ff;}
.rec-src{color:#8a97ab;font-size:11.5px;margin-left:8px;}