/* ===================== typing dots — AI 占位气泡 ===================== */
.typing-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 2px;
}
.typing-indicator .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--color-text-tertiary);
    animation: typingBounce 1.2s ease-in-out infinite;
}
.typing-indicator .dot:nth-child(2) { animation-delay: 0.15s; }
.typing-indicator .dot:nth-child(3) { animation-delay: 0.30s; }
@keyframes typingBounce {
    0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
    40%          { transform: translateY(-4px); opacity: 1; }
}

/* 思考状态条 */
.thinking-status {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    padding: 4px 12px;
    font-size: 0.8rem;
    color: var(--color-primary);
    background: var(--color-primary-soft);
    border-radius: var(--radius-pill);
}
.thinking-status .pulse-icon {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
    animation: breath 1.4s ease-in-out infinite;
}
@keyframes breath {
    0%, 100% { transform: scale(0.85); opacity: 0.7; }
    50%      { transform: scale(1.15); opacity: 1; }
}

/* 流式打字光标 */
.streaming-cursor {
    display: inline-block;
    width: 8px;
    height: 1.05em;
    margin-left: 2px;
    vertical-align: -2px;
    background: var(--color-primary);
    border-radius: 1px;
    animation: caretBlink 1s steps(2, end) infinite;
}
@keyframes caretBlink {
    0%, 50%       { opacity: 1; }
    50.01%, 100%  { opacity: 0; }
}

/* ============================ 弹窗 ============================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 15, 25, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10001;
    animation: fadeIn 0.2s ease;
    padding: 20px;
}
.modal-content {
    background: var(--color-surface);
    width: 100%;
    max-width: 420px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
.modal-header {
    padding: 20px 24px 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.modal-header h5 {
    margin: 0;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text);
}
.modal-body { padding: 14px 24px; }
.modal-body .form-control {
    width: 100%;
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    font-size: 0.97rem;
    font-family: inherit;
    outline: none;
    transition: border-color var(--duration-fast) var(--ease),
        box-shadow var(--duration-fast) var(--ease);
}
.modal-body .form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-soft);
}
.modal-footer {
    padding: 8px 24px 22px;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}
.modal-footer .btn {
    padding: 9px 22px;
    border-radius: var(--radius-md);
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: background var(--duration-fast) var(--ease);
}
.modal-footer .btn-light {
    background: var(--color-surface-hover);
    color: var(--color-text);
}
.modal-footer .btn-light:hover { background: var(--color-border-strong); }
.modal-footer .btn-primary {
    background: var(--color-primary);
    color: var(--color-primary-text);
}
.modal-footer .btn-primary:hover { background: var(--color-primary-hover); }
.modal-footer .btn-danger {
    background: var(--color-danger);
    color: #fff;
}
.modal-footer .btn-danger:hover {
    background: color-mix(in srgb, var(--color-danger) 86%, #000);
}
.modal-body .confirm-message {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ============================ 上下文菜单 ============================ */
.context-menu {
    position: fixed;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    min-width: 140px;
    padding: 6px;
}
.context-menu-item {
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease);
    font-size: 0.9rem;
    color: var(--color-text);
}
.context-menu-item i,
.context-menu-item .lucide { font-size: 1rem; color: var(--color-text-secondary); }
.context-menu-item:hover { background: var(--color-surface-hover); }
.context-menu-item.delete { color: var(--color-danger); }
.context-menu-item.delete i,
.context-menu-item.delete .lucide { color: var(--color-danger); }
.context-menu-item.delete:hover { background: var(--color-danger-soft); }