/* ============================================
   Drawflow Custom Styles for Behavior Tree
   ============================================ */

/* ========== Drawflow Base Overrides ========== */
#drawflow {
    width: 100%;
    height: 100%;
    position: relative;
    background-color: #252525;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
}

#drawflow .drawflow {
    transform-origin: 0 0;
}

.drawflow .parent-drawflow {
    position: relative;
}

.drawflow .drawflow-node {
    background: #2d2d2d;
    border: 2px solid #444;
    border-radius: 8px;
    color: #e0e0e0;
    padding: 0;
    min-width: 200px;
    max-width: 280px;
    min-height: 80px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    transition: box-shadow 0.2s ease;
    /* 性能优化 */
    will-change: transform;
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-font-smoothing: subpixel-antialiased;
    overflow: visible;
}

.drawflow .drawflow-node:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.7);
}

.drawflow .drawflow-node.selected {
    border-color: #4a90e2;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.5);
    background: #3a3a3a;
}

/* ========== Node Header ========== */
.drawflow-node-header {
    padding: 10px 12px;
    border-bottom: 1px solid #444;
    border-radius: 6px 6px 0 0;
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.drawflow-node-header .node-icon {
    font-size: 18px;
}

.drawflow-node-header .node-title {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.drawflow-node-header .node-status {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* 折叠/展开按钮样式 */
.drawflow-node-header .btn-collapse {
    width: 20px;
    height: 20px;
    padding: 0;
    margin-left: 6px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(0, 0, 0, 0.25);
    color: #ffffff;
    border-radius: 4px;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    flex-shrink: 0;
    user-select: none;
    -webkit-appearance: none;
    appearance: none;
}

.drawflow-node-header .btn-collapse:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.35);
    transform: translateZ(0) scale(1.05);
    transition: all 0.15s ease;
}

.drawflow-node-header .btn-collapse:active {
    transform: translateZ(0) scale(0.96);
}

.drawflow-node-header .btn-collapse:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.35);
    border-color: #4a90e2;
}

/* Node Status Colors */
.node-status.status-0 {
    background-color: #808080;
} /* Unknown/Idle */
.node-status.status-1 {
    background-color: #ffc107;
} /* Running */
.node-status.status-2 {
    background-color: #28a745;
} /* Success */
.node-status.status-3 {
    background-color: #dc3545;
} /* Failure */

/* ========== Node Type Specific Styles ========== */
.drawflow-node.node-composite .drawflow-node-header {
    background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
    color: white;
}

.drawflow-node.node-action .drawflow-node-header {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
}

.drawflow-node.node-decorator .drawflow-node-header {
    background: linear-gradient(135deg, #e67e22 0%, #d35400 100%);
    color: white;
}

/* ========== Node Body ========== */
.drawflow-node-body {
    padding: 12px;
    font-size: 12px;
    min-height: 40px;
    overflow: hidden;
}

.node-description {
    color: #b0b0b0;
    margin-bottom: 8px;
    font-style: italic;
}

.node-ports-list {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
    box-sizing: border-box;
}

.node-port-item {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    border-bottom: 1px solid #3a3a3a;
}

.node-port-item:last-child {
    border-bottom: none;
}

.port-name {
    color: #e0e0e0;
    font-weight: 500;
}

.port-type {
    color: #808080;
    font-size: 11px;
}

.port-value {
    color: #4a90e2;
    font-family: "Courier New", monospace;
}

/* ========== Port Input Styles ========== */
.port-value-input {
    width: 100%;
    max-width: 100%;
    min-width: 60px;
    padding: 3px 6px;
    background-color: #1e1e1e;
    border: 1px solid #555;
    border-radius: 3px;
    color: #4a90e2;
    font-size: 11px;
    font-family: "Courier New", monospace;
    transition: border-color 0.2s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    box-sizing: border-box;
}

.port-value-input:focus {
    outline: none;
    border-color: #4a90e2;
    background-color: #252525;
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
}

.port-value-input:hover {
    border-color: #666;
}

.port-value-input::placeholder {
    color: #666;
    font-style: italic;
}

/* ========== Node Footer ========== */
.drawflow-node-footer {
    padding: 8px 12px;
    border-top: 1px solid #444;
    font-size: 11px;
    color: #808080;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.node-type-badge {
    padding: 2px 6px;
    border-radius: 3px;
    background-color: rgba(255, 255, 255, 0.1);
    font-size: 10px;
}

/* ========== Connection Points (Inputs/Outputs) ========== */
.drawflow .drawflow-node .input,
.drawflow .drawflow-node .output {
    position: absolute;
    width: 16px;
    height: 16px;
    background: #4a90e2;
    border: 3px solid #2d2d2d;
    border-radius: 50%;
    cursor: crosshair;
    z-index: 10;
    transition: all 0.2s ease;
}

.drawflow .drawflow-node .input:hover,
.drawflow .drawflow-node .output:hover {
    background: #357abd;
    width: 20px;
    height: 20px;
    margin-top: -2px;
    margin-left: -2px;
}

.drawflow .drawflow-node .input {
    left: -8px;
    top: 50%;
    transform: translateY(-50%);
}

.drawflow .drawflow-node .output {
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
}

/* ===================================
   Vertical Layout Mode (Top-Bottom)
   =================================== */

/* Vertical layout: input on top, output on bottom */
.layout-vertical .drawflow .drawflow-node .input,
.drawflow.layout-vertical .drawflow-node .input {
    left: 50% !important;
    top: -8px !important;
    right: auto !important;
    bottom: auto !important;
    transform: translateX(-50%) !important;
}

.layout-vertical .drawflow .drawflow-node .output,
.drawflow.layout-vertical .drawflow-node .output {
    left: 50% !important;
    bottom: -8px !important;
    right: auto !important;
    top: auto !important;
    transform: translateX(-50%) !important;
}

/* Hover effect for vertical layout */
.layout-vertical .drawflow .drawflow-node .input:hover,
.drawflow.layout-vertical .drawflow-node .input:hover,
.layout-vertical .drawflow .drawflow-node .output:hover,
.drawflow.layout-vertical .drawflow-node .output:hover {
    margin-top: 0 !important;
    margin-left: -2px !important;
    margin-right: -2px !important;
    margin-bottom: 0 !important;
    width: 20px !important;
    height: 20px !important;
}

.layout-vertical .drawflow .drawflow-node .input:hover,
.drawflow.layout-vertical .drawflow-node .input:hover {
    margin-top: -2px !important;
    margin-bottom: 0 !important;
}

.layout-vertical .drawflow .drawflow-node .output:hover,
.drawflow.layout-vertical .drawflow-node .output:hover {
    margin-bottom: -2px !important;
    margin-top: 0 !important;
}

/* ===================================
   Horizontal Layout Mode (Left-Right) - Default
   =================================== */

/* Horizontal layout: input on left, output on right */
.layout-horizontal .drawflow .drawflow-node .input,
.drawflow.layout-horizontal .drawflow-node .input {
    left: -8px !important;
    top: 50% !important;
    right: auto !important;
    bottom: auto !important;
    transform: translateY(-50%) !important;
}

.layout-horizontal .drawflow .drawflow-node .output,
.drawflow.layout-horizontal .drawflow-node .output {
    right: -8px !important;
    top: 50% !important;
    left: auto !important;
    bottom: auto !important;
    transform: translateY(-50%) !important;
}

/* Hover effect for horizontal layout */
.layout-horizontal .drawflow .drawflow-node .input:hover,
.drawflow.layout-horizontal .drawflow-node .input:hover,
.layout-horizontal .drawflow .drawflow-node .output:hover,
.drawflow.layout-horizontal .drawflow-node .output:hover {
    margin-top: -2px !important;
    margin-left: -2px !important;
    margin-right: -2px !important;
    margin-bottom: 0 !important;
    width: 20px !important;
    height: 20px !important;
}

/* ========== Connection Lines ========== */
.drawflow .connection {
    position: absolute;
    z-index: 1;
    /* 连接线性能优化 */
    will-change: auto;
}

.drawflow .connection .main-path {
    fill: none;
    stroke: #4a90e2;
    stroke-width: 3px;
    transition:
        stroke 0.15s ease,
        stroke-width 0.15s ease;
}

.drawflow .connection .main-path.selected {
    stroke: #28a745;
    stroke-width: 6px;
}

/* Connection points on lines */
.drawflow .connection .point {
    cursor: move;
    fill: #4a90e2;
    stroke: #2d2d2d;
    stroke-width: 2px;
}

.drawflow .connection .point:hover {
    fill: #357abd;
}

/* ========== Delete Button on Nodes ========== */
.drawflow-node .btn-delete {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 24px;
    height: 24px;
    background: #dc3545;
    border: 2px solid #2d2d2d;
    border-radius: 50%;
    color: white;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.2s ease;
    z-index: 20;
}

.drawflow-node:hover .btn-delete {
    opacity: 1;
}

.drawflow-node .btn-delete:hover {
    background: #c82333;
    transform: scale(1.1);
}

/* ========== Context Menu ========== */
.drawflow-context-menu {
    position: fixed;
    background: #2d2d2d;
    border: 1px solid #444;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    padding: 8px 0;
    min-width: 180px;
    z-index: 1000;
    display: none;
}

.drawflow-context-menu.active {
    display: block;
}

.context-menu-item {
    padding: 10px 16px;
    color: #e0e0e0;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.context-menu-item:hover {
    background: #3a3a3a;
}

.context-menu-item.danger:hover {
    background: #dc3545;
    color: white;
}

.context-menu-divider {
    height: 1px;
    background: #444;
    margin: 4px 0;
}

/* ========== Selection Box ========== */
.drawflow .selection-box {
    position: absolute;
    border: 2px dashed #4a90e2;
    background: rgba(74, 144, 226, 0.1);
    pointer-events: none;
    z-index: 100;
}

/* ========== Minimap (Optional Feature) ========== */
.drawflow-minimap {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 200px;
    height: 150px;
    background: rgba(45, 45, 45, 0.9);
    border: 2px solid #444;
    border-radius: 6px;
    overflow: hidden;
    z-index: 50;
}

/* ========== Node Templates (for drag preview) ========== */
.node-drag-preview {
    position: fixed;
    pointer-events: none;
    z-index: 10000;
    opacity: 0.7;
    transform: translate(-50%, -50%);
}

/* ========== Loading Overlay ========== */
.drawflow-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
}

.drawflow-loading .spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(74, 144, 226, 0.3);
    border-top-color: #4a90e2;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* ========== Node Animations ========== */
@keyframes nodeHighlight {
    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(74, 144, 226, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(74, 144, 226, 0);
    }
}

.drawflow-node.highlight {
    animation: nodeHighlight 1s ease-out;
}

/* ========== Running State Animation ========== */
.drawflow-node.running .drawflow-node-header {
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* ========== Error State ========== */
.drawflow-node.error {
    border-color: #dc3545;
    animation: shake 0.5s ease-in-out;
}

@keyframes shake {
    0%,
    100% {
        transform: translateX(0);
    }
    25% {
        transform: translateX(-5px);
    }
    75% {
        transform: translateX(5px);
    }
}

/* ========== Success State ========== */
.drawflow-node.success {
    border-color: #28a745;
}

/* ========== Zoom Level Indicator ========== */
.zoom-indicator {
    position: absolute;
    bottom: 20px;
    left: 20px;
    background: rgba(45, 45, 45, 0.9);
    border: 1px solid #444;
    border-radius: 4px;
    padding: 8px 12px;
    color: #e0e0e0;
    font-size: 12px;
    z-index: 50;
}

/* ========== Grid Lines Enhancement ========== */
.drawflow.show-grid {
    background-image:
        linear-gradient(rgba(74, 144, 226, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74, 144, 226, 0.1) 1px, transparent 1px);
}

/* ========== Readonly Mode ========== */
.drawflow.readonly .drawflow-node {
    cursor: default;
}

.drawflow.readonly .drawflow-node .input,
.drawflow.readonly .drawflow-node .output {
    cursor: not-allowed;
    pointer-events: none;
}

.drawflow.readonly .btn-delete {
    display: none !important;
}

/* ========== 拖拽优化 ========== */
.drawflow .drawflow-node.dragging {
    opacity: 0.8;
    cursor: move !important;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.8);
}

/* 拖拽时禁用过渡效果以提高性能 */
.drawflow .parent-drawflow.dragging .drawflow-node {
    transition: none !important;
}

.drawflow .parent-drawflow.dragging .connection {
    transition: none !important;
}

/* 布局重排时禁用所有过渡，确保 getBoundingClientRect 立即获得最终位置 */
.no-transition .drawflow-node,
.no-transition .drawflow-node .input,
.no-transition .drawflow-node .output,
.no-transition .drawflow-node * {
    transition: none !important;
}

/* 防止拖拽时文本选中 */
.drawflow .drawflow-node * {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* 提高连接点的点击区域 */
.drawflow .drawflow-node .input,
.drawflow .drawflow-node .output {
    cursor: crosshair !important;
    z-index: 20;
}

/* 连接点悬停时放大效果优化 */
.drawflow .drawflow-node .input:hover,
.drawflow .drawflow-node .output:hover {
    transition: all 0.1s ease;
}

/* 确保输入框不会触发节点拖拽 */
.port-value-input {
    cursor: text !important;
}

/* 调整节点端口列表样式 */
.node-port-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    border-bottom: 1px solid #3a3a3a;
    gap: 6px;
    min-height: 24px;
}

.node-port-item:last-child {
    border-bottom: none;
}

.node-port-item .port-name {
    color: #e0e0e0;
    font-weight: 500;
    font-size: 11px;
    flex-shrink: 0;
    white-space: nowrap;
}

/* 端口输入框容器 */
.port-input-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
}

/* ========== Replay Status — Whole-Node Visual Override ========== */

/* Idle: dim the node to make active nodes stand out */
.drawflow-node.replay-idle {
    opacity: 0.45;
    filter: saturate(0.3);
    border-color: #555 !important;
    transition: opacity 0.3s, filter 0.3s, border-color 0.3s, box-shadow 0.3s, background 0.3s;
}

/* Running: vivid blue glow + full opacity */
.drawflow-node.replay-running {
    opacity: 1;
    filter: none;
    border: 2.5px solid #42a5f5 !important;
    background: linear-gradient(135deg, #1a237e 0%, #1e3a5f 100%) !important;
    box-shadow: 0 0 18px 4px rgba(66, 165, 245, 0.55), inset 0 0 8px rgba(66, 165, 245, 0.15);
    animation: replayPulse 1.4s ease-in-out infinite;
    transition: opacity 0.2s, filter 0.2s, border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

/* Success: green fill */
.drawflow-node.replay-success {
    opacity: 1;
    filter: none;
    border: 2.5px solid #66bb6a !important;
    background: linear-gradient(135deg, #1b3d1e 0%, #2e4a30 100%) !important;
    box-shadow: 0 0 12px 2px rgba(102, 187, 106, 0.45);
    transition: opacity 0.3s, filter 0.3s, border-color 0.3s, box-shadow 0.3s, background 0.3s;
}

/* Failure: red fill */
.drawflow-node.replay-failure {
    opacity: 1;
    filter: none;
    border: 2.5px solid #ef5350 !important;
    background: linear-gradient(135deg, #4a1414 0%, #5c2020 100%) !important;
    box-shadow: 0 0 12px 2px rgba(239, 83, 80, 0.45);
    transition: opacity 0.3s, filter 0.3s, border-color 0.3s, box-shadow 0.3s, background 0.3s;
}

/* Header overrides — keep header legible on new backgrounds */
.drawflow-node.replay-running .drawflow-node-header {
    background: rgba(33, 150, 243, 0.25) !important;
}
.drawflow-node.replay-success .drawflow-node-header {
    background: rgba(76, 175, 80, 0.25) !important;
}
.drawflow-node.replay-failure .drawflow-node-header {
    background: rgba(244, 67, 54, 0.25) !important;
}

/* Pulsing glow for running nodes */
@keyframes replayPulse {
    0%, 100% {
        box-shadow: 0 0 18px 4px rgba(66, 165, 245, 0.55), inset 0 0 8px rgba(66, 165, 245, 0.15);
    }
    50% {
        box-shadow: 0 0 30px 8px rgba(66, 165, 245, 0.75), inset 0 0 12px rgba(66, 165, 245, 0.25);
    }
}

/* Status dot: bigger + glow */
.replay-running .node-status {
    width: 14px !important;
    height: 14px !important;
    background-color: #42a5f5 !important;
    box-shadow: 0 0 8px #42a5f5;
}
.replay-success .node-status {
    width: 14px !important;
    height: 14px !important;
    background-color: #66bb6a !important;
    box-shadow: 0 0 8px #66bb6a;
}
.replay-failure .node-status {
    width: 14px !important;
    height: 14px !important;
    background-color: #ef5350 !important;
    box-shadow: 0 0 8px #ef5350;
}