/* Z.Blazor.Diagrams required styles (minimal) */
.diagram-canvas {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 400px;
    overflow: hidden;
    /* Faded parchment / aged paper look */
    background-color: #f5f0e8;
    background-image:
        radial-gradient(circle, #c8bfaa 1px, transparent 1px);
    background-size: 28px 28px;
}

/* Dark mode canvas */
.dark .diagram-canvas {
    background-color: #1a1d23;
    background-image:
        radial-gradient(circle, #2e3340 1px, transparent 1px);
}

/* START: Improved Node Visualization */

/* Generic support for default node classes */
.diagram-node,
.default-node {
    background-color: #ffffff;
    border: 1px solid #b0b8c4;
    /* Subtle gray border */
    border-radius: 8px;
    /* Rounded corners */
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    /* Soft shadow */
    min-width: 140px;
    padding: 10px;
    text-align: center;
    font-family: 'Segoe UI', system-ui, sans-serif;
    font-weight: 600;
    color: #374151;
    transition: all 0.2s ease-in-out;
}

/* Selected state for nodes */
.diagram-node.selected,
.default-node.selected {
    border-color: #1E2A78;
    /* Brand primary */
    box-shadow: 0 0 0 3px rgba(30, 42, 120, 0.3);
    /* Brand glow ring */
}

/* Override outer container for custom workflow nodes (old class) */
.diagram-node:has(.workflow-node) {
    background-color: transparent;
    border: none;
    box-shadow: none;
    padding: 0;
    min-width: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.diagram-node:has(.workflow-node).selected {
    border: none;
    box-shadow: none;
}


/* Port Base Styles */
/* Port Base Styles */
.diagram-port,
.port {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 2px solid #ffffff;
    /* White border */
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    cursor: crosshair;
    z-index: 20;
    /* Ensure on top */
    transition: transform 0.2s;
    position: absolute;
    /* Force absolute positioning relative to node */
}

/* INPUT Ports (Left) -> Green */
.diagram-port.left,
.port.left {
    background-color: #10b981;
    /* Emerald Green */
    left: -8px;
    /* Half width off the edge */
    top: 50%;
    transform: translateY(-50%);
}

/* OUTPUT Ports (Right) -> Red */
.diagram-port.right,
.port.right {
    background-color: #ef4444;
    /* Red */
    right: -8px;
    /* Half width off the edge */
    top: 50%;
    transform: translateY(-50%);
}

/* Hover effect on ports */
.diagram-port:hover,
.port:hover {
    transform: translateY(-50%) scale(1.4);
}

/* Fallback if classes are simple 'left' / 'right' combined with port */
.port-left {
    background-color: #10b981;
}

.port-right {
    background-color: #ef4444;
}

/* Link Styling */
.diagram-link path {
    fill: none;
    stroke: #6b7280;
    stroke-width: 3px;
    transition: stroke-width 0.2s, stroke 0.2s;
}

/* Link being dragged (pending) */
.diagram-link.pending path {
    fill: none;
    stroke: #d1ef64;
    stroke-width: 2.5px;
    stroke-dasharray: 6 4;
    opacity: 0.85;
}

.diagram-link:hover path {
    fill: none;
    stroke: #d1ef64;
    stroke-width: 5px;
    cursor: pointer;
}

.diagram-link.selected path {
    fill: none;
    stroke: #d1ef64;
    stroke-width: 4px;
    filter: drop-shadow(0 0 4px rgba(209,239,100,0.6));
}

/* Ensure SVG link layer renders above nodes */
.diagram-svg-layer {
    z-index: 5;
}

/* END: Improved Node Visualization */

/* Viewer Status Colors */
.node-success {
    border-color: #28a745 !important;
    background-color: #d4edda !important;
}

.node-active {
    border-color: #c4f55a !important;
    background-color: #f4ffe6 !important;
    box-shadow: 0 0 10px #c4f55a;
}

.node-error {
    border-color: #dc3545 !important;
    background-color: #f8d7da !important;
}

/* Link Label Styling */
.diagram-link div.default-link-label {
    display: inline-block;
    color: #ffffff;
    background: linear-gradient(135deg, #1E2A78 0%, #3949AB 100%);
    border-radius: 12px;
    padding: 4px 12px;
    text-align: center;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: 'Segoe UI', system-ui, sans-serif;
    letter-spacing: 0.3px;
    user-select: none;
    min-width: 3rem;
    transform: translate(-50%, -50%);
    box-shadow: 0 2px 8px rgba(30, 42, 120, 0.35), 0 1px 3px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    white-space: nowrap;
}

/* ═══════════════════════════════════════════════════════ */
/*  WORKFLOW NODE – Type-Specific Styles                  */
/* ═══════════════════════════════════════════════════════ */

.workflow-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 116px;
    min-height: 74px;
    padding: 12px 16px 10px;
    border-radius: 14px;
    font-family: 'Inter', 'Segoe UI', system-ui, sans-serif;
    font-weight: 600;
    color: #fff;
    text-align: center;
    position: relative;
    transition: filter 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
    border: 1px solid rgba(255, 255, 255, 0.18);
    cursor: grab;
    user-select: none;
    backdrop-filter: none;
}

.workflow-node:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(0,0,0,0.22);
}

.workflow-node.selected {
    outline: 3px solid #d1ef64;
    outline-offset: 3px;
    filter: brightness(1.08);
    box-shadow: 0 0 0 6px rgba(209,239,100,0.2);
}

.workflow-node__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    margin-bottom: 6px;
    background: rgba(255,255,255,0.15);
    border-radius: 8px;
    color: #fff;
}

.workflow-node__label {
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.2px;
    text-shadow: 0 1px 3px rgba(0,0,0,0.25);
    white-space: nowrap;
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.workflow-node__type {
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    opacity: 0.55;
    margin-top: 2px;
}

/* ─── Ports inside custom workflow nodes ─── */
.workflow-port {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.85);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
    cursor: crosshair;
    z-index: 20;
    position: absolute;
    transition: transform 0.2s;
    background-color: rgba(255, 255, 255, 0.4);
}

.workflow-port:hover {
    transform: scale(1.5);
    background-color: rgba(255, 255, 255, 0.9);
}

.workflow-port--left {
    left: -7px;
    top: 50%;
}

.workflow-port--right {
    right: -7px;
    top: 50%;
}

.workflow-port--top {
    top: -7px;
    left: 50%;
    margin-left: -7px;
}

.workflow-port--bottom {
    bottom: -7px;
    left: 50%;
    margin-left: -7px;
}

/* ─── Start ─── */
.workflow-node--start {
    background: linear-gradient(135deg, #43a047 0%, #66bb6a 100%);
    box-shadow: 0 4px 15px rgba(67, 160, 71, 0.4), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ─── End ─── */
.workflow-node--end {
    background: linear-gradient(135deg, #e53935 0%, #ef5350 100%);
    box-shadow: 0 4px 15px rgba(229, 57, 53, 0.4), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ─── Approval ─── */
.workflow-node--approval {
    background: linear-gradient(135deg, #1565c0 0%, #42a5f5 100%);
    box-shadow: 0 4px 15px rgba(21, 101, 192, 0.35), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ─── User Task ─── */
.workflow-node--user-task {
    background: linear-gradient(135deg, #e65100 0%, #ff9800 100%);
    box-shadow: 0 4px 15px rgba(230, 81, 0, 0.35), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ─── Timer ─── */
.workflow-node--timer {
    background: linear-gradient(135deg, #00838f 0%, #26c6da 100%);
    box-shadow: 0 4px 15px rgba(0, 131, 143, 0.35), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ─── HTTP Request ─── */
.workflow-node--http-request {
    background: linear-gradient(135deg, #6a1b9a 0%, #ab47bc 100%);
    box-shadow: 0 4px 15px rgba(106, 27, 154, 0.35), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ─── Condition (Diamond shape removed, now standard rectangle) ─── */
.workflow-node--condition {
    background: linear-gradient(135deg, #f57f17 0%, #ffca28 100%);
    color: #3e2723;
    box-shadow: 0 4px 15px rgba(245, 127, 23, 0.4), 0 2px 4px rgba(0, 0, 0, 0.1);
}

.workflow-node--condition .workflow-node__label {
    font-size: 0.7rem;
}

.workflow-node--condition .workflow-node__icon {
    width: 22px;
    height: 22px;
}

/* ─── Form ─── */
.workflow-node--form {
    background: linear-gradient(135deg, #283593 0%, #5c6bc0 100%);
    box-shadow: 0 4px 15px rgba(40, 53, 147, 0.35), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ─── Sub-workflow ─── */
.workflow-node--sub-workflow {
    background: linear-gradient(135deg, #00695c 0%, #26a69a 100%);
    box-shadow: 0 4px 15px rgba(0, 105, 92, 0.35), 0 2px 4px rgba(0, 0, 0, 0.1);
    border: 2px dashed rgba(255, 255, 255, 0.4);
}

/* ─── Fork ─── */
.workflow-node--fork {
    background: linear-gradient(135deg, #37474f 0%, #78909c 100%);
    box-shadow: 0 4px 15px rgba(55, 71, 79, 0.35), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ─── Join ─── */
.workflow-node--join {
    background: linear-gradient(135deg, #455a64 0%, #90a4ae 100%);
    box-shadow: 0 4px 15px rgba(69, 90, 100, 0.35), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ─── SendEmail ─── */
.workflow-node--sendemail {
    background: linear-gradient(135deg, #546e7a 0%, #90a4ae 100%);
    box-shadow: 0 4px 15px rgba(84, 110, 122, 0.35), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ─── Notification ─── */
.workflow-node--notification {
    background: linear-gradient(135deg, #ff8f00 0%, #ffca28 100%);
    color: #3e2723;
    box-shadow: 0 4px 15px rgba(255, 143, 0, 0.35), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ─── GeneratePDF ─── */
.workflow-node--generatepdf {
    background: linear-gradient(135deg, #bf360c 0%, #ff7043 100%);
    box-shadow: 0 4px 15px rgba(191, 54, 12, 0.35), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ─── Log ─── */
.workflow-node--log {
    background: linear-gradient(135deg, #0277bd 0%, #4fc3f7 100%);
    box-shadow: 0 4px 15px rgba(2, 119, 189, 0.35), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ─── SetVariable ─── */
.workflow-node--setvariable {
    background: linear-gradient(135deg, #1a237e 0%, #5c6bc0 100%);
    box-shadow: 0 4px 15px rgba(26, 35, 126, 0.35), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ─── DatabaseQuery ─── */
.workflow-node--databasequery {
    background: linear-gradient(135deg, #004d40 0%, #4db6ac 100%);
    box-shadow: 0 4px 15px rgba(0, 77, 64, 0.35), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ─── AiTask ─── */
.workflow-node--aitask {
    background: linear-gradient(135deg, #880e4f 0%, #f06292 100%);
    box-shadow: 0 4px 15px rgba(136, 14, 79, 0.35), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ─── Webhook ─── */
.workflow-node--webhook {
    background: linear-gradient(135deg, #e65100 0%, #ffa726 100%);
    box-shadow: 0 4px 15px rgba(230, 81, 0, 0.35), 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* ─── Terminate ─── */
.workflow-node--terminate {
    background: linear-gradient(135deg, #b71c1c 0%, #e53935 100%);
    border-radius: 50%;
    min-width: 80px;
    min-height: 80px;
    width: 80px;
    height: 80px;
    box-shadow: 0 4px 15px rgba(183, 28, 28, 0.4), 0 2px 4px rgba(0, 0, 0, 0.1);
}