/* DCS Designer Specific Styles */

.designer-body {
    height: 100vh;
    overflow: hidden; /* Prevent body scroll, layout handles it */
    display: flex;
    flex-direction: column;
}

.designer-header {
    flex-shrink: 0;
    border-bottom: 1px solid var(--clr-gray-200);
}

.designer-title {
    font-size: 1.5rem;
    color: var(--clr-white);
    margin: 0;
    flex-grow: 1;
    margin-left: 2rem;
}

.designer-layout {
    display: flex;
    flex-grow: 1;
    height: calc(100vh - 80px); /* rough header height */
    overflow: hidden;
    background: #f4f4f4;
}

/* Sidebar Component Palette */
.component-palette {
    width: 300px;
    background: #fff;
    border-right: 1px solid var(--clr-gray-200);
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 10px rgba(0,0,0,0.05);
    z-index: 10;
}

.palette-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--clr-gray-200);
    background: #fafafa;
}

.palette-header h3 {
    margin: 0 0 1rem;
    font-size: 1.2rem;
    color: var(--clr-black);
}

#palette-search {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--clr-gray-200);
    border-radius: 4px;
    font-size: 0.9rem;
}

.palette-tools {
    display: flex;
    padding: 1rem;
    gap: 0.5rem;
    border-bottom: 1px solid var(--clr-gray-200);
    background: #fff;
    justify-content: space-between;
}

.tool-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: #fcfcfc;
    border: 1px solid var(--clr-gray-200);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--clr-gray-800);
    transition: all 0.2s;
}

.tool-btn-small {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    background: #fcfcfc;
    border: 1px solid var(--clr-gray-200);
    border-radius: 4px;
    cursor: pointer;
    color: var(--clr-gray-800);
    transition: all 0.2s;
}

.tool-btn:hover, .tool-btn-small:hover {
    background: #f0f0f0;
}

.tool-btn.active, .tool-btn-small.active {
    background: rgba(232, 140, 0, 0.1);
    color: var(--clr-accent);
}

.tool-btn-small.danger:hover {
    background: #fff0f0;
    color: #ff4444;
}

.palette-items {
    flex-grow: 1;
    overflow-y: auto;
    padding: 1rem;
}

.palette-loading {
    text-align: center;
    color: var(--clr-gray-500);
    padding: 2rem;
}

.palette-item {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    background: #fff;
    border: 1px solid var(--clr-gray-200);
    border-radius: 6px;
    margin-bottom: 0.75rem;
    cursor: grab;
    transition: transform 0.2s, box-shadow 0.2s;
    user-select: none;
}

.palette-item:active {
    cursor: grabbing;
}

.palette-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    border-color: var(--clr-accent);
}

.palette-item img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    margin-right: 1rem;
}

.palette-item-info h4 {
    margin: 0 0 0.2rem;
    font-size: 0.9rem;
    color: var(--clr-black);
}

.palette-item-info p {
    margin: 0;
    font-size: 0.75rem;
    color: var(--clr-gray-500);
}

.palette-footer {
    padding: 1rem;
    border-top: 1px solid var(--clr-gray-200);
    background: #fafafa;
}

.wire-selector label {
    display: block;
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    color: var(--clr-gray-800);
    font-weight: bold;
}

.wire-selector select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--clr-gray-200);
    border-radius: 4px;
}

/* Canvas Area */
.designer-canvas-container {
    flex-grow: 1;
    position: relative;
    overflow: auto;
    background-image: 
        linear-gradient(to right, rgba(0,0,0,0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0,0,0,0.05) 1px, transparent 1px);
    background-size: 20px 20px;
    background-color: #f9f9f9;
}

.canvas-wrapper {
    min-width: 2000px;
    min-height: 2000px;
    position: relative;
}

.designer-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* Move background to canvas container to prevent zoom gap */
    background-color: transparent;
}

.canvas-instructions {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: rgba(255, 255, 255, 0.9);
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-left: 4px solid var(--clr-accent);
    pointer-events: none;
    z-index: 50;
}

.canvas-instructions p {
    margin: 0 0 0.5rem;
    font-size: 0.9rem;
    color: var(--clr-black);
}

.canvas-instructions p:last-child {
    margin-bottom: 0;
}

/* Placed Nodes */
.canvas-node {
    position: absolute;
    width: 120px;
    background: #fff;
    border: 2px solid var(--clr-gray-300);
    border-radius: 8px;
    padding: 10px;
    text-align: center;
    cursor: grab;
    user-select: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: border-color 0.2s, box-shadow 0.2s;
    z-index: 20;
}

.canvas-node:active {
    cursor: grabbing;
}

.canvas-node.selected {
    border-color: var(--clr-accent);
    box-shadow: 0 0 0 4px rgba(232, 140, 0, 0.2);
}

.canvas-node.wire-target:hover {
    border-color: #4a90e2;
    box-shadow: 0 0 0 4px rgba(74, 144, 226, 0.2);
    cursor: crosshair;
}

.canvas-node img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    margin-bottom: 5px;
    pointer-events: none;
}

.canvas-node .node-name {
    font-size: 0.75rem;
    font-weight: bold;
    color: var(--clr-black);
    line-height: 1.2;
    pointer-events: none;
    word-wrap: break-word;
}

.canvas-node .node-delete {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 20px;
    height: 20px;
    background: #ff4444;
    color: white;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    cursor: pointer;
    font-weight: bold;
    border: 2px solid #fff;
}

.canvas-node:hover .node-delete {
    display: flex;
}

/* Wires */
.wire-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 15;
}

.circuit-wire {
    stroke: var(--clr-accent);
    stroke-width: 4;
    stroke-linecap: round;
    fill: none;
    pointer-events: stroke;
    cursor: pointer;
    transition: stroke 0.2s;
}

.circuit-wire:hover {
    stroke: #ff4444;
}

.circuit-wire.drawing {
    stroke: #4a90e2;
    stroke-dasharray: 5, 5;
}

/* Accordion Categories */
.palette-category {
    border: 1px solid var(--clr-gray-200);
    border-radius: 6px;
    margin-bottom: 0.5rem;
    background: #fff;
    overflow: hidden;
}

.palette-category-header {
    padding: 0.75rem 1rem;
    background: #fdfdfd;
    cursor: pointer;
    font-weight: bold;
    font-size: 0.85rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.palette-category-header:hover {
    background: #f4f4f4;
}

.palette-category-content {
    display: none;
    padding: 0.5rem;
    border-top: 1px solid var(--clr-gray-200);
}

.palette-category.active .palette-category-content {
    display: block;
}

.palette-category-icon {
    transition: transform 0.2s;
}

.palette-category.active .palette-category-icon {
    transform: rotate(180deg);
}

/* Cable Inputs */
.node-cable-length {
    margin-top: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.node-cable-length input {
    width: 50px;
    padding: 2px 4px;
    font-size: 0.8rem;
    text-align: center;
    border: 1px solid var(--clr-gray-300);
    border-radius: 4px;
}

.node-cable-length span {
    font-size: 0.8rem;
    font-weight: bold;
    color: var(--clr-gray-800);
}

/* Region Boxes */
.region-box {
    position: absolute;
    border: 2px dashed #4a90e2;
    background: rgba(74, 144, 226, 0.05);
    border-radius: 12px;
    z-index: 5;
    pointer-events: auto; /* Allow interaction with resize/header */
}

.region-box.selected {
    box-shadow: 0 0 0 4px rgba(74, 144, 226, 0.2);
}

.region-header {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    padding: 2px 10px;
    border-radius: 10px;
    font-size: 0.8rem;
    font-weight: bold;
    color: #4a90e2;
    border: 2px solid #4a90e2;
    cursor: text;
    white-space: nowrap;
    min-width: 60px;
    text-align: center;
}

.region-header:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.5);
}

.region-resize {
    position: absolute;
    bottom: -6px;
    right: -6px;
    width: 12px;
    height: 12px;
    background: #fff;
    border: 2px solid #4a90e2;
    border-radius: 50%;
    cursor: se-resize;
}

.region-color-picker {
    position: absolute;
    top: 5px;
    right: 5px;
    display: none;
}
.region-box:hover .region-color-picker,
.region-box.selected .region-color-picker {
    display: flex;
    gap: 4px;
}

.color-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

/* Delete for regions */
.region-delete {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 20px;
    height: 20px;
    background: #ff4444;
    color: white;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    cursor: pointer;
    font-weight: bold;
    border: 2px solid #fff;
    z-index: 10;
}

.region-box:hover .region-delete,
.region-box.selected .region-delete {
    display: flex;
/* Header Tools Group */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-tools-group {
    display: flex;
    gap: 0.25rem;
    background: #fff;
    padding: 0.25rem;
    border-radius: 6px;
    border: 1px solid var(--clr-gray-200);
}

.header-divider {
    width: 1px;
    height: 24px;
    background: var(--clr-gray-300);
    margin: 0 0.5rem;
}

.tool-btn-small {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.4rem;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    color: var(--clr-gray-800);
    transition: all 0.2s;
}

.tool-btn-small:hover {
    background: #f0f0f0;
}

.tool-btn-small.active {
    background: rgba(232, 140, 0, 0.1);
    color: var(--clr-accent);
}

.tool-btn-small.danger:hover {
    background: #fff0f0;
    color: #ff4444;
}

.canvas-instructions h4 {
    margin: 0 0 10px 0;
    color: var(--clr-accent);
}

.canvas-instructions ol {
    margin: 0;
    padding-left: 20px;
}

.canvas-instructions li {
    margin-bottom: 5px;
}

@media (min-width: 901px) {
    #close-palette-btn {
        display: none !important;
    }
}

/* Mobile Responsiveness */
@media (max-width: 1024px) {
    .designer-title {
        display: none; /* Hide title to make room for buttons */
    }
    
    .hide-mobile-text {
        display: none;
    }
    
    .header-actions .btn {
        padding: 0.5rem; /* Shrink padding for icon-only buttons */
    }
    
    .header-actions .btn svg {
        margin-right: 0 !important;
    }
    
    #mobile-sidebar-toggle {
        display: block !important;
    }
    
    .designer-layout {
        position: relative;
    }
    
    .component-palette {
        position: fixed;
        top: 0;
        right: -340px;
        left: auto;
        height: 100%;
        width: 320px;
        max-width: 85vw;
        visibility: hidden;
        transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s;
        z-index: 2000;
        box-shadow: -10px 0 30px rgba(0,0,0,0.3);
        border-left: 1px solid var(--clr-gray-300);
    }
    
    .component-palette.open {
        right: 0;
        visibility: visible;
    }

    .floating-palette-toggle {
        display: flex !important;
        position: fixed;
        right: 0;
        top: 50%;
        transform: translateY(-50%);
        background: #fff;
        border: 2px solid var(--clr-accent);
        border-right: none;
        padding: 12px 16px;
        border-radius: 20px 0 0 20px;
        z-index: 1000;
        font-weight: bold;
        color: var(--clr-accent);
        box-shadow: -4px 0 15px rgba(0,0,0,0.2);
        cursor: pointer;
        align-items: center;
        gap: 5px;
    }

    /* Dim background when menu is open */
    .designer-layout::after {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.5);
        z-index: 1500;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
    }
    
    .designer-layout.menu-open::after {
        opacity: 1;
        pointer-events: auto;
    }
    
    .header-container {
        display: flex;
        flex-direction: row;
        align-items: center;
        padding: 5px 10px;
        gap: 5px;
        overflow-x: auto;
    }
    
    .header-actions {
        width: auto;
        display: flex;
        flex-wrap: nowrap;
        gap: 5px;
        align-items: center;
    }

    .header-divider {
        display: none;
    }

    .header-tools-group {
        display: contents; /* unwrap */
    }
    
    .header-tool-btn {
        flex: 0 0 auto;
    }
    
    .canvas-instructions {
        display: none !important;
    }
    
    .close-palette-btn {
        position: absolute;
        right: 15px;
        top: 15px;
        background: none;
        border: none;
        font-size: 1.5rem;
        line-height: 1;
        cursor: pointer;
        color: var(--clr-gray-600);
        display: block !important;
    }
}
body { overflow-x: hidden !important; }