export function injectStyles() {
    if (document.getElementById("comfy-sidebar-styles")) return;
    const style = document.createElement("style");
    style.id = "comfy-sidebar-styles";
    style.textContent = `
        .comfy-sidebar-card {
            background: var(--comfy-input-bg, #181818);
            border-radius: 4px; padding: 8px; position: relative;
            min-height: 80px; margin-bottom: 12px; break-inside: avoid;
            user-select: none; -webkit-user-select: none;
            border: 2px solid var(--border-color, #333);
            color: var(--comfy-input-color, var(--fg-color, #eee));
        }
        .comfy-sidebar-card:hover { 
            border-color: var(--p-primary-color, var(--primary-color, #555)) !important; 
            transition: border-color 0.2s, background-color 0.2s;
        }
        .comfy-sidebar-card.active { --border-color: #3b82f6; --hover-color: #60a5fa; }
        .comfy-sidebar-card.pending { --border-color: #6c757d; --hover-color: #adb5bd; }
        .comfy-sidebar-card.cancelled { --border-color: #ffc107; --hover-color: #ffe082; }
        .comfy-sidebar-card.error { --border-color: #dc3545; --hover-color: #f87171; }
        
        .comfy-sidebar-card.pending .comfy-sidebar-queue-cancel-btn,
        .comfy-sidebar-card.active .comfy-sidebar-queue-cancel-btn { 
            display: none !important; 
        }

        .comfy-sidebar-card.pending:hover .comfy-sidebar-queue-cancel-btn,
        .comfy-sidebar-card.active:hover .comfy-sidebar-queue-cancel-btn { 
            display: flex !important; 
        }

        /* Prevent action hover buttons (Delete/JSON/Node) from showing on pending & running cards */
        .comfy-sidebar-card.pending .comfy-sidebar-hover-panel,
        .comfy-sidebar-card.active .comfy-sidebar-hover-panel,
        .comfy-sidebar-card.pending .comfy-sidebar-left-hover-panel,
        .comfy-sidebar-card.active .comfy-sidebar-left-hover-panel {
            display: none !important;
        }
        
        .comfy-sidebar-card-timer {
            position: absolute; top: 6px; left: 8px; font-size: 10px;
            font-family: monospace; opacity: 0.7; background: rgba(0, 0, 0, 0.6);
            padding: 2px 4px; border-radius: 3px; pointer-events: none; z-index: 5; color: #fff;
        }

        .comfy-sidebar-queue-cancel-btn {
            display: none;
            align-items: center !important;
            justify-content: center !important;
            width: 32px !important;
            height: 32px !important;
            background-color: #7f1d1d !important;
            color: #e2e8f0 !important;
            font-size: 11px !important;
            border-radius: 6px !important;
            cursor: pointer !important;
            transition: background-color 0.15s ease, color 0.15s ease !important;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3) !important;
        }

        .comfy-sidebar-queue-cancel-btn:hover {
            background-color: #991b1b !important;
            color: #ffffff !important;
        }

        .comfy-sidebar-hover-panel,
        .comfy-sidebar-left-hover-panel {
            display: none !important;
        }

        .comfy-sidebar-card:not(.pending):not(.active):hover .comfy-sidebar-hover-panel,
        .comfy-sidebar-card:not(.pending):not(.active):hover .comfy-sidebar-left-hover-panel {
            display: flex !important;
        }

        /* Card Action Buttons */
        .comfy-sidebar-card-action-btn {
            display: inline-flex;
            align-items: center !important;
            justify-content: center !important;
            width: 30px !important;
            height: 30px !important;
            background-color: rgba(0, 0, 0, 0.75) !important;
            color: #e2e8f0 !important;
            font-size: 13px !important;
            border-radius: 6px !important;
            cursor: pointer !important;
            transition: all 0.15s ease !important;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3) !important;
            z-index: 20 !important;
            transform: translateZ(0);
        }

        .comfy-sidebar-card-action-btn:hover {
            background-color: rgba(0, 0, 0, 0.95) !important;
            color: #ffffff !important;
        }

        /* Delete Confirmation Active State */
        .comfy-sidebar-card-action-btn.confirm-delete,
        .comfy-sidebar-card-action-btn.confirm-delete:hover {
            background-color: #dc3545 !important;
            color: #ffffff !important;
            box-shadow: 0 0 8px rgba(220, 53, 69, 0.6) !important;
        }

        /* Disk Delete Confirmation */
        .comfy-sidebar-card-action-btn.confirm-delete-disk,
        .comfy-sidebar-card-action-btn.confirm-delete-disk:hover {
            background-color: #7f1d1d !important;
            color: #ffc9c9 !important;
            box-shadow: 0 0 10px rgba(220, 38, 38, 0.85) !important;
            border: 1px solid #ef4444 !important;
        }

        /* Dynamic Ctrl Key Hover State */
        .comfy-sidebar-del-label {
            display: none;
            margin-left: 5px;
            font-size: 10px;
            font-weight: bold;
            white-space: nowrap;
            font-family: sans-serif;
            letter-spacing: 0.3px;
        }

        body.comfy-sidebar-ctrl-active .comfy-sidebar-card-action-btn:not(.comfy-sidebar-btn-del) {
            display: none !important;
        }

        body.comfy-sidebar-ctrl-active .comfy-sidebar-left-hover-panel {
            display: none !important;
        }

        body.comfy-sidebar-ctrl-active .comfy-sidebar-btn-del {
            background-color: #991b1b !important;
            color: #ffffff !important;
            border: 1px solid #ef4444 !important;
            width: auto !important;
            padding: 0 8px !important;
            border-radius: 6px !important;
            box-shadow: 0 0 10px rgba(239, 68, 68, 0.6) !important;
        }

        body.comfy-sidebar-ctrl-active .comfy-sidebar-btn-del .comfy-sidebar-del-label {
            display: inline;
        }

        /* Translucent Folder Indicator on Ctrl Press */
        .comfy-sidebar-ctrl-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15, 23, 42, 0.75);
            backdrop-filter: blur(2px);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 6px;
            color: #38bdf8;
            z-index: 15;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.15s ease;
            border-radius: 4px;
        }

        .comfy-sidebar-ctrl-overlay i {
            font-size: 26px;
            filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.6));
        }

        .comfy-sidebar-ctrl-overlay span {
            font-size: 11px;
            font-weight: bold;
            color: #f1f5f9;
            font-family: sans-serif;
            letter-spacing: 0.5px;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.8);
        }

        body.comfy-sidebar-ctrl-active .comfy-sidebar-card:not(.pending):not(.active):hover .comfy-sidebar-ctrl-overlay {
            opacity: 1;
        }

        .comfy-sidebar-header-btn {
            background: transparent;
            color: var(--desc-color, #aaa);
            border: 1px solid var(--border-color, #555);
            border-radius: 3px;
            padding: 4px 8px;
            cursor: pointer;
            font-size: 13px;
            transition: all 0.15s ease-in-out;
        }

        .comfy-sidebar-header-btn:hover {
            border-color: var(--fg-color, #eee);
            color: var(--fg-color, #eee);
        }

        .comfy-sidebar-icon-btn {
            cursor: pointer;
            font-size: 13px;
            opacity: 0.6;
            transition: opacity 0.15s ease-in-out;
        }

        .comfy-sidebar-icon-btn:hover {
            opacity: 1;
        }

        .comfy-sidebar-scroll-top-btn {
            position: absolute;
            bottom: 14px;
            right: 28px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(30, 30, 30, 0.9);
            color: #eee;
            border: 1px solid var(--border-color, #555);
            cursor: pointer;
            font-size: 13px;
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 999;
            box-shadow: 0 4px 12px rgba(0,0,0,0.6);
            transition: all 0.15s ease-in-out;
            opacity: 0.85;
        }

        .comfy-sidebar-scroll-top-btn:hover {
            opacity: 1;
            background: var(--p-primary-color, #3b82f6);
            color: #fff;
            border-color: var(--p-primary-color, #3b82f6);
        }

        /* 3D Preview Cards */
        .comfy-sidebar-3d-wrapper {
            width: 100%;
            height: 160px;
            background: linear-gradient(135deg, #1e1e2e 0%, #0f172a 100%);
            border-radius: 4px;
            display: flex;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: all 0.2s ease-in-out;
            user-select: none;
            cursor: pointer;
        }

        .comfy-sidebar-3d-wrapper:hover {
            border-color: #3b82f6;
            box-shadow: 0 0 12px rgba(59, 130, 246, 0.35);
        }

        .comfy-sidebar-3d-preview-img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: brightness(0.45);
            transition: filter 0.2s ease, transform 0.2s ease;
            pointer-events: none;
            z-index: 1;
        }

        .comfy-sidebar-3d-wrapper:hover .comfy-sidebar-3d-preview-img {
            filter: brightness(0.6);
            transform: scale(1.03);
        }

        .comfy-sidebar-3d-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            z-index: 2;
            pointer-events: none;
        }

        .comfy-sidebar-3d-icon {
            font-size: 38px;
            color: #60a5fa;
            margin-bottom: 6px;
            filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.8));
            transition: transform 0.2s ease;
        }

        .comfy-sidebar-3d-wrapper:hover .comfy-sidebar-3d-icon {
            transform: scale(1.1) rotate(6deg);
        }

        .comfy-sidebar-3d-badge {
            position: absolute;
            top: 6px;
            right: 6px;
            background: rgba(59, 130, 246, 0.9);
            color: #fff;
            font-size: 9px;
            font-weight: bold;
            padding: 2px 6px;
            border-radius: 3px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
            z-index: 3;
        }

        .comfy-sidebar-3d-title {
            font-size: 10px;
            color: #f1f5f9;
            font-family: monospace;
            max-width: 85%;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            background: rgba(0, 0, 0, 0.65);
            padding: 2px 6px;
            border-radius: 3px;
            backdrop-filter: blur(2px);
            z-index: 3;
        }

        /* Audio Preview Cards */
        .comfy-sidebar-audio-wrapper {
            width: 100%;
            min-height: 110px;
            background: linear-gradient(135deg, #1e1333 0%, #0f172a 100%);
            border-radius: 4px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 10px 12px 12px 12px;
            box-sizing: border-box;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: all 0.2s ease-in-out;
            user-select: none;
            cursor: pointer;
        }

        .comfy-sidebar-audio-wrapper:hover {
            border-color: #a855f7;
            box-shadow: 0 0 12px rgba(168, 85, 247, 0.35);
        }

        .comfy-sidebar-audio-badge {
            background: rgba(168, 85, 247, 0.9);
            color: #fff;
            font-size: 9px;
            font-weight: bold;
            padding: 2px 6px;
            border-radius: 3px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
            z-index: 3;
        }

        .comfy-sidebar-audio-title {
            font-size: 10px;
            color: #f1f5f9;
            font-family: monospace;
            max-width: 65%;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            z-index: 3;
        }

        .comfy-sidebar-soundwave-container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 3px;
            height: 36px;
            margin: 4px 0;
        }

        .comfy-sidebar-soundwave-bar {
            width: 3px;
            background: #a855f7;
            border-radius: 2px;
            height: 8px;
            transition: height 0.1s ease, background-color 0.2s ease;
        }

        .comfy-sidebar-audio-wrapper.playing .comfy-sidebar-soundwave-bar {
            background: #c084fc;
            animation: comfySidebarWave 1s ease-in-out infinite alternate;
        }

        @keyframes comfySidebarWave {
            0% { transform: scaleY(0.4); }
            100% { transform: scaleY(1.3); }
        }

        /* Generic / Unknown File Preview Cards (LoRA, Checkpoint, Latent, etc.) */
        .comfy-sidebar-file-wrapper {
            width: 100%;
            min-height: 88px;
            background: linear-gradient(135deg, #131d2e 0%, #0b1120 100%);
            border-radius: 4px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 8px 10px;
            box-sizing: border-box;
            position: relative;
            border: 1px solid rgba(255, 255, 255, 0.12);
            transition: all 0.2s ease-in-out;
            user-select: none;
            cursor: pointer;
            gap: 8px;
        }

        .comfy-sidebar-file-wrapper:hover {
            border-color: #0ea5e9;
            box-shadow: 0 0 14px rgba(14, 165, 233, 0.35);
            transform: translateY(-1px);
        }

        .comfy-sidebar-file-badge {
            background: rgba(14, 165, 233, 0.9);
            color: #fff;
            font-size: 9px;
            font-weight: bold;
            padding: 0 6px;
            height: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
            border-radius: 3px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
            flex-shrink: 0;
            white-space: nowrap;
        }

        .comfy-sidebar-file-title {
            font-size: 11px;
            color: #f1f5f9;
            font-family: monospace;
            font-weight: 600;
            word-break: break-all;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .comfy-sidebar-file-icon {
            font-size: 14px;
            color: #38bdf8;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transform: translateY(-3px);
        }

        .comfy-sidebar-file-subtext {
            font-size: 9px;
            color: #94a3b8;
            font-family: sans-serif;
            display: flex;
            align-items: center;
            gap: 4px;
            opacity: 0.9;
        }

        .comfy-sidebar-text-clamp {
            font-size: 11px;
            line-height: 1.45;
            color: #cbd5e1;
            max-height: 84px;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 4;
            -webkit-box-orient: vertical;
            cursor: pointer;
            padding: 8px 10px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 4px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 18px;
            word-break: break-word;
            transition: all 0.15s ease-in-out;
        }

        .comfy-sidebar-text-clamp:hover {
            border-color: #3b82f6;
            background: rgba(59, 130, 246, 0.08);
        }
    `;
    document.head.appendChild(style);
}