/* ============================================================
   da-components.css — 意图面板 + 搜索面板 + 历史浮层 + 语音
   ============================================================ */

.intent-understanding {
    display: none;
    padding: 8px 12px;
    margin: 0 14px 6px;
    background: var(--da-bg-secondary);
    border: 1px solid var(--da-border);
    border-radius: 8px;
    flex-shrink: 0;
    max-height: 110px;
    overflow-y: auto;
}

.intent-understanding.show { display: block; }

.intent-header {
    display: flex; align-items: center; gap: 6px; margin-bottom: 4px;
}

.intent-icon { font-size: 16px; }
.intent-title { font-size: 12px; font-weight: 600; color: var(--da-text-primary); }
.intent-subtitle { font-size: 10px; color: var(--da-text-secondary); margin-left: auto; }

.intent-content {
    padding: 4px 8px;
    background: var(--da-bg-primary);
    border-radius: 6px;
    font-size: 11px;
    color: var(--da-text-secondary);
    margin-bottom: 4px;
}

.intent-tags { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }

.intent-tag {
    padding: 2px 6px; font-size: 10px; border-radius: 5px;
    background: rgba(99,102,241,0.1); color: var(--da-accent-indigo); font-weight: 500;
}

.intent-tag-sep { color: var(--da-text-secondary); font-size: 10px; }

.intent-mode-tag { padding: 2px 6px; font-size: 10px; border-radius: 5px; font-weight: 500; }
.intent-mode-tag.chat { background: rgba(88,166,255,0.1); color: var(--da-accent-blue); }
.intent-mode-tag.execute { background: rgba(63,185,80,0.1); color: var(--da-accent-green); }
.intent-mode-tag.agent { background: rgba(163,113,247,0.1); color: var(--da-accent-purple); }

/* --- 联网搜索面板 --- */
.web-search-panel {
    display: none;
    padding: 8px 12px;
    margin: 0 14px 6px;
    background: var(--da-bg-secondary);
    border: 1px solid var(--da-border);
    border-radius: 8px;
    flex-shrink: 0;
    max-height: 160px;
    overflow-y: auto;
}

.web-search-panel.show { display: block; }

.web-search-status {
    display: flex; align-items: center; gap: 6px;
    font-size: 11px; color: var(--da-text-secondary); margin-bottom: 4px;
}

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.web-search-status .spinner {
    width: 12px; height: 12px;
    border: 2px solid var(--da-border);
    border-top-color: var(--da-accent-indigo);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.web-search-results { margin-top: 4px; }

.web-search-result-item {
    padding: 4px 0;
    border-bottom: 1px solid rgba(148,163,184,0.06);
}

.web-search-result-item:last-child { border: none; }

.web-search-result-title {
    font-size: 11px; color: var(--da-accent-blue); text-decoration: none; font-weight: 500;
}

.web-search-result-title:hover { text-decoration: underline; }

.web-search-result-snippet { font-size: 10px; color: var(--da-text-secondary); margin-top: 1px; }

.web-search-summary {
    margin-top: 6px; padding: 6px 8px;
    background: rgba(99,102,241,0.06); border-radius: 6px;
    font-size: 11px; color: var(--da-text-secondary); line-height: 1.4;
}

/* --- 历史浮层 --- */
.history-panel-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5); z-index: 100;
    display: none; opacity: 0; transition: opacity 0.15s;
}

.history-panel-overlay.show { display: block; opacity: 1; }

.history-panel {
    position: fixed; top: 50%; left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    width: 90%; max-width: 480px; max-height: 65vh;
    background: var(--da-bg-secondary);
    border: 1px solid var(--da-border);
    border-radius: 14px; z-index: 101;
    display: none; flex-direction: column; overflow: hidden;
    box-shadow: var(--da-shadow-md);
}

.history-panel.show {
    display: flex; opacity: 1; transform: translate(-50%, -50%) scale(1);
}

.history-panel-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px; border-bottom: 1px solid var(--da-border);
    background: var(--da-bg-tertiary); flex-shrink: 0;
}

.history-panel-title { font-size: 14px; font-weight: 600; color: var(--da-text-primary); display: flex; align-items: center; gap: 6px; }

.history-panel-actions { display: flex; gap: 4px; }

.panel-action-btn {
    padding: 4px 8px; font-size: 11px; color: var(--da-text-secondary);
    background: var(--da-bg-secondary); border: 1px solid var(--da-border);
    border-radius: 6px; cursor: pointer; transition: all 0.15s;
}

.panel-action-btn:hover { color: var(--da-accent-red); border-color: var(--da-accent-red); }

.panel-close-btn { background: none; border: none; color: var(--da-text-secondary); cursor: pointer; padding: 4px; font-size: 16px; }
.panel-close-btn:hover { color: var(--da-text-primary); }

.history-panel-body { flex: 1; overflow-y: auto; padding: 6px; }

.conversation-group { margin-bottom: 2px; }

.conversation-group-header {
    font-size: 10px; font-weight: 600; color: var(--da-text-secondary);
    text-transform: uppercase; letter-spacing: 0.3px; padding: 6px 10px 2px;
}

.conversation-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 12px; border-radius: 6px; cursor: pointer;
    transition: background 0.15s; gap: 8px;
}

.conversation-item:hover { background: var(--da-bg-tertiary); }

.conversation-item.active {
    background: rgba(99,102,241,0.08); border: 1px solid rgba(99,102,241,0.2);
}

.conversation-item-title {
    font-size: 12px; color: var(--da-text-primary); flex: 1;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.conversation-item-time { font-size: 10px; color: var(--da-text-secondary); flex-shrink: 0; }

.conversation-item-delete {
    background: none; border: none; color: var(--da-text-secondary);
    cursor: pointer; padding: 2px; font-size: 13px;
    opacity: 0; transition: opacity 0.15s;
}

.conversation-item:hover .conversation-item-delete { opacity: 1; }
.conversation-item-delete:hover { color: var(--da-accent-red); }

/* --- 语音波形 --- */
.voice-wave-container {
    display: none;
    position: fixed; bottom: 100px; left: 50%;
    transform: translateX(-50%); z-index: 1000;
    padding: 14px 20px;
    background: rgba(30,30,46,0.96);
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: 18px;
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    flex-direction: column; align-items: center; gap: 8px;
    min-width: 140px;
}

.voice-wave-container.show { display: flex; }

.voice-wave-container .wave-hint { font-size: 11px; color: #8b8fa3; }
.voice-wave-container .wave-hint.cancel { color: #ef4444; display: none; }

.voice-wave-container .wave-bars { display: flex; align-items: center; gap: 2px; height: 32px; }

@keyframes waveAnim {
    0%, 100% { height: 6px; }
    50% { height: 30px; }
}

.voice-wave-container .wave-bar {
    width: 3px; background: var(--da-accent-indigo); border-radius: 2px;
    animation: waveAnim 0.8s ease-in-out infinite;
}

/* --- 语音按钮 --- */
.voice-btn {
    background: none; border: 1px solid var(--da-border);
    border-radius: 8px; padding: 6px; cursor: pointer;
    color: var(--da-text-secondary); transition: all 0.15s;
    display: flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; flex-shrink: 0;
    user-select: none; -webkit-user-select: none; touch-action: none;
}

.voice-btn:hover { color: var(--da-accent-indigo); border-color: var(--da-accent-indigo); }

@keyframes voicePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(239,68,68,0.4); }
    50% { box-shadow: 0 0 0 8px rgba(239,68,68,0); }
}

.voice-btn.recording {
    color: #ef4444; border-color: #ef4444;
    background: rgba(239,68,68,0.12);
    animation: voicePulse 1.0s infinite; transform: scale(1.06);
}