/* 端口容器 */
.port-container {
    position: absolute;
    bottom: var(--spacing-xs);
    right: var(--spacing-md);
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-sm);
    align-items: flex-end;
}

/* 连接端口 */
.connection-port {
    width: 20px;
    height: 20px;
    position: relative;
    margin-top: var(--spacing-xl);
    cursor: crosshair;
    transition: all 0.2s;
}

.connection-port svg {
    width: 100%;
    height: 100%;
    fill: var(--color-orange);
    transform: rotate(90deg);
    transition: all 0.2s;
}

.connection-port:hover svg {
    transform: rotate(90deg) scale(1.3);
    filter: brightness(1.2);
}

/* 连接线容器 */
.connections-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 10000;
}

/* SVG连接线 */
.connection-line {
    stroke: var(--color-success);
    stroke-width: 2;
    fill: none;
    pointer-events: none;
}

.connection-line.temp {
    stroke-dasharray: 4;
    animation: dash 1s linear infinite;
}

@keyframes dash {
    to {
        stroke-dashoffset: -8;
    }
}

/* 文本卡片端口 */
.text-card-port {
    position: absolute;
    top: var(--spacing-sm);
    left: var(--spacing-sm);
    width: 20px;
    height: 20px;
    cursor: crosshair;
    transition: all 0.2s;
    z-index: 2;
    pointer-events: auto;
}

.text-card-port svg {
    width: 100%;
    height: 100%;
    fill: var(--color-primary);
    transition: all 0.2s;
}

/* 链式端口 */
.text-card-chain-port {
    position: absolute;
    bottom: var(--spacing-sm);
    left: var(--spacing-sm);
    width: 20px;
    height: 20px;
    cursor: crosshair;
    transition: all 0.2s;
    z-index: 10;
    pointer-events: auto;
}

.text-card-chain-port svg {
    width: 100%;
    height: 100%;
    fill: var(--color-purple);
    transform: rotate(180deg);
    transition: all 0.2s;
}

.text-card-chain-port:hover svg {
    transform: rotate(180deg) scale(1.3);
    filter: brightness(1.2);
}

/* 连接状态 */
.text-card-port.prompt-connected svg {
    transform: rotate(-90deg);
}

.text-card-port.chain-connected svg {
    transform: rotate(0deg);
}

.text-card-chain-port.connected svg {
    transform: rotate(0deg);
}

.text-card-port.connected svg path,
.text-card-chain-port.connected svg path,
.connection-port.connected svg path {
    fill: var(--color-success);
}

/* 连接动画 */
@keyframes pulse-socket {
    0%, 100% {
        transform: scale(1);
        filter: brightness(1);
    }
    70% {
        transform: scale(1.2);
        filter: brightness(1.2);
    }
}

@keyframes pulse-chain {
    0%, 100% {
        transform: rotate(180deg) scale(1);
        filter: brightness(1);
    }
    70% {
        transform: rotate(180deg) scale(1.2);
        filter: brightness(1.2);
    }
}

.text-card-port.connecting svg {
    animation: pulse-socket 1.5s infinite;
}

.text-card-chain-port.connecting svg {
    animation: pulse-chain 1.5s infinite;
}

/* 连接模式 */
.connecting-mode {
    user-select: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
}

.connecting-mode * {
    user-select: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    cursor: crosshair !important;
}

/* 端口标签 */
.port-label {
    position: absolute;
    left: 50%;
    bottom: 100%;
    transform: translateX(-50%);
    font-size: 10px;
    white-space: nowrap;
    color: var(--color-text-secondary);
    background: rgba(255, 255, 255, 0.9);
    padding: var(--spacing-xs) var(--spacing-xs);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-xs);
    pointer-events: none;
    opacity: 1;
    transition: all 0.2s;
}

.connection-port:hover .port-label {
    transform: translateX(-50%) scale(1.1);
    color: var(--color-text-primary);
}