/* ═══════════════════════════════════════════════════════════════════════
   WaldemarEdelstein Factory System — Main App Styles
   Extracted from calculator.blade.php 
   ═══════════════════════════════════════════════════════════════════════ */

/* ── CSS Variables (Theme) ── */
html {
    --accent:      #ff9433;
    --accent-dim:  rgba(255,148,51,0.18);
    --accent-glow: rgba(255,148,51,0.55);
    --dot-color:   rgba(255,148,51,0.45);
    --bg:          #080808;
    --bg2:         #0f0f0f;
    --bg3:         #141414;
    --bg4:         #1a1a1a;
    --border:      rgba(255,255,255,0.16);
    --text:        #f5f2ee;
    --text-dim:    #e0d8cc;
    --text-muted:  #b8b0a0;
}
*{margin:0;padding:0;box-sizing:border-box}
body{
    font-family:'Inter',sans-serif;
    background:var(--bg);
    color:var(--text);
    overflow:hidden;
}

/* ── APP LAYOUT ── */
.app{
    display:grid;
    grid-template-rows:56px 1fr;
    grid-template-columns:300px 1fr;
    height:100vh;
    transition:grid-template-columns 0.3s cubic-bezier(0.4,0,0.2,1);
}
.app.sidebar-hidden{
    grid-template-columns:0px 1fr;
}

/* ── HEADER ── */
.header{
    grid-column:1/-1;
    background:var(--bg2);
    border-bottom:1px solid var(--border);
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:0 20px;
    position:relative;
    z-index:100;
}
.header::after{
    content:'';
    position:absolute;
    bottom:0;left:0;right:0;
    height:1px;
    background:linear-gradient(90deg,transparent,var(--accent),transparent);
    opacity:0.3;
}
.logo-section{
    display:flex;
    align-items:center;
    gap:10px;
}
.logo{
    width:28px;height:28px;
    border-radius:6px;
    display:flex;align-items:center;justify-content:center;
    font-size:14px;
    box-shadow:0 0 14px var(--accent-glow),0 0 28px var(--accent-dim);
    animation:logoWave 6s ease-in-out infinite;
    background:linear-gradient(120deg,var(--accent),var(--accent-light,#ffb085),var(--accent),var(--accent-light,#ffb085),var(--accent));
    background-size:300% 300%;
}
@keyframes logoWave{
    0%  {background-position:0% 50%;filter:brightness(0.95)}
    50% {background-position:100% 50%;filter:brightness(1.15)}
    100%{background-position:0% 50%;filter:brightness(0.95)}
}
.logo-text{
    font-weight:700;
    font-size:13px;
    letter-spacing:1.5px;
    text-transform:uppercase;
    color:var(--text);
}
.version-badge{
    background:var(--accent-dim);
    border:1px solid var(--accent);
    color:var(--accent);
    padding:2px 7px;
    border-radius:4px;
    font-size:10px;
    font-weight:700;
    letter-spacing:0.5px;
}
.header-right{
    display:flex;
    align-items:center;
    gap:20px;
}
.status-indicator{
    display:flex;
    align-items:center;
    gap:6px;
    font-size:11px;
    text-transform:uppercase;
    letter-spacing:0.8px;
    color:var(--text-dim);
}
.status-dot{
    width:6px;height:6px;
    background:#22c55e;
    border-radius:50%;
    box-shadow:0 0 6px #22c55e;
    animation:statusPulse 2s ease-in-out infinite;
}
@keyframes statusPulse{
    0%,100%{box-shadow:0 0 6px #22c55e}
    50%{box-shadow:0 0 12px #22c55e,0 0 20px rgba(34,197,94,0.3)}
}

/* ── NAV TABS ── */
.nav-tabs{
    display:flex;
    gap:4px;
    background:var(--bg3);
    border:1px solid var(--border);
    border-radius:8px;
    padding:3px;
}
.nav-tab{
    padding:6px 14px;
    font-size:11px;
    font-weight:600;
    text-transform:uppercase;
    letter-spacing:0.5px;
    cursor:pointer;
    border-radius:6px;
    transition:all 0.2s;
    color:var(--text-dim);
}
.nav-tab:hover{color:var(--text);}
.nav-tab.active{
    background:var(--accent);
    color:#000;
    box-shadow:0 2px 8px var(--accent-dim);
}

/* ── THEME DROPDOWN ── */
.theme-dropdown{
    position:absolute;
    top:44px;
    right:0;
    display:none;
    flex-direction:column;
    gap:2px;
    background:var(--bg3);
    border:1px solid var(--border);
    border-radius:10px;
    padding:6px;
    z-index:999;
    box-shadow:0 16px 40px rgba(0,0,0,0.8),0 0 0 1px var(--border);
    min-width:180px;
    backdrop-filter:blur(20px);
}
.theme-dropdown.open{display:flex;}
.theme-option{
    display:flex;
    align-items:center;
    gap:10px;
    padding:8px 12px;
    border-radius:7px;
    cursor:pointer;
    font-size:11px;
    font-weight:600;
    color:var(--text-dim);
    transition:all 0.15s;
}
.theme-option:hover{background:var(--bg4);color:var(--text);}
.theme-option.active{color:var(--text);background:var(--bg4);}
.theme-swatch{
    width:12px;height:12px;
    border-radius:50%;
    flex-shrink:0;
}

/* ── SIDEBAR ── */
.sidebar{
    background:var(--bg2);
    border-right:1px solid var(--border);
    padding:16px;
    overflow-y:auto;
    overflow-x:hidden;
    position:relative;
    transition:padding 0.3s cubic-bezier(0.4,0,0.2,1);
}
.app.sidebar-hidden .sidebar{
    padding:0;
    border-right-color:transparent;
}
.sidebar-toggle{
    position:fixed;
    top:50%;
    left:300px;
    transform:translateY(-50%);
    width:18px;height:48px;
    background:var(--bg3);
    border:1px solid var(--border);
    border-left:none;
    border-radius:0 6px 6px 0;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:center;
    z-index:400;
    transition:left 0.3s cubic-bezier(0.4,0,0.2,1),background 0.2s,border-color 0.2s;
}
.sidebar-toggle:hover{
    background:var(--bg4);
    border-color:var(--accent);
}
.sidebar-toggle i{
    font-size:9px;
    color:var(--text-dim);
    transition:color 0.2s,transform 0.3s cubic-bezier(0.4,0,0.2,1);
    pointer-events:none;
}
.sidebar-toggle:hover i{color:var(--accent);}
.app.sidebar-hidden .sidebar-toggle{
    left:0;
    border-left:1px solid var(--border);
    border-radius:0 6px 6px 0;
}
.app.sidebar-hidden .sidebar-toggle i{transform:rotate(180deg);}
.search-box{
    position:relative;
    margin-bottom:16px;
}
.search-input{
    width:100%;
    height:38px;
    background:var(--bg3);
    border:1px solid var(--border);
    border-radius:8px;
    padding:0 14px 0 38px;
    color:var(--text);
    font-size:12px;
    transition:border-color 0.2s;
    font-family:'Inter',sans-serif;
}
.search-input::placeholder{color:var(--text-dim);}
.search-input:focus{outline:none;border-color:var(--accent);}
.search-icon{
    position:absolute;
    left:13px;top:50%;
    transform:translateY(-50%);
    color:var(--text-dim);
    font-size:12px;
}

/* ── RESOURCE LIST (Sidebar) ── */
.resource-category{
    background:var(--bg3);
    border:1px solid var(--border);
    border-radius:8px;
    padding:10px 14px;
    margin-bottom:4px;
    cursor:pointer;
    display:flex;
    justify-content:space-between;
    align-items:center;
    font-size:12px;
    font-weight:600;
    color:var(--text-dim);
    transition:all 0.15s;
    letter-spacing:0.3px;
}
.resource-category:hover{
    background:var(--bg4);
    border-color:var(--accent-dim);
    color:var(--text);
}
.resource-category.open{
    color:var(--accent);
    border-color:var(--accent-dim);
    background:var(--accent-dim);
}
.resource-category .count{
    font-size:10px;
    color:var(--text-dim);
    background:transparent;
    padding:0;
}
.unit-list{
    display:flex;
    flex-direction:column;
    gap:3px;
    margin-bottom:8px;
}
.unit-item{
    background:var(--bg3);
    border:1px solid var(--border);
    border-radius:8px;
    padding:10px 14px;
    cursor:pointer;
    transition:all 0.15s;
    position:relative;
    display:flex;
    flex-direction:column;
    justify-content:center;
    gap:3px;
}
.unit-item:hover{
    background:var(--bg4);
    border-color:var(--accent-dim);
    transform:translateX(2px);
}
.unit-item.selected{
    background:var(--accent-dim);
    border-color:var(--accent-dim);
}
.unit-name{
    font-size:12px;
    font-weight:600;
    color:var(--text);
}
.unit-stats{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:10px;
    color:var(--text-dim);
}
.unit-indicator{
    position:absolute;
    right:12px;top:50%;
    transform:translateY(-50%);
    width:6px;height:6px;
    border-radius:50%;
}
.unit-indicator.orange{
    background:var(--accent);
    box-shadow:0 0 6px var(--accent);
}

/* ── CANVAS ── */
.canvas{
    background:var(--bg);
    position:relative;
    overflow:hidden;
}
.canvas::before{
    content:'';
    position:absolute;
    top:-32px;left:-32px;
    width:calc(100% + 32px);
    height:calc(100% + 32px);
    background:radial-gradient(circle,var(--dot-color) 1px,transparent 1px);
    background-size:32px 32px;
    pointer-events:none;
    animation:blueprintDots 6s linear infinite;
    opacity:0.6;
}
@keyframes blueprintDots{
    0%{transform:translate(0,0)}
    100%{transform:translate(32px,32px)}
}
.canvas.drag-over{background-color:var(--accent-dim);}

/* ── PRODUCTION CHAIN ── */
.production-chain{
    width:4000px;height:4000px;
    position:relative;
    overflow:visible;
    cursor:grab;
}
.production-chain.panning{cursor:grabbing;}
.chain-node{
    position:absolute;
    display:flex;
    flex-direction:column;
    align-items:center;
    cursor:move;
    user-select:none;
    z-index:10;
}
.node{
    width:68px;height:68px;
    border-radius:50%;
    border:2px solid var(--accent);
    background:var(--bg3);
    display:flex;
    align-items:center;
    justify-content:center;
    position:relative;
    transition:all 0.2s;
    box-shadow:0 0 0 1px var(--accent),0 0 18px var(--accent-glow),0 4px 16px rgba(0,0,0,0.6);
    z-index:10;
}
.node:hover{
    transform:scale(1.08);
    border-color:var(--accent);
    box-shadow:0 0 0 1px var(--accent),0 0 28px var(--accent-glow),0 8px 24px rgba(0,0,0,0.6);
}
.node.final{
    width:80px;height:80px;
    border-radius:50%;
    border-color:var(--accent);
    box-shadow:0 0 0 2px var(--accent),0 0 36px var(--accent-glow),0 8px 32px rgba(0,0,0,0.6);
}
.node.final .node-icon{width:50px;height:50px;}
.chain-node.final-node .node-label{color:var(--accent);font-weight:700;font-size:12px;}
.node-icon{
    width:42px;height:42px;
    object-fit:contain;
    image-rendering:pixelated;
    filter:drop-shadow(0 2px 4px rgba(0,0,0,0.7));
}
.node-icon-fallback{font-size:22px;color:white;}
.node-label{
    margin-top:7px;
    font-size:10px;
    font-weight:600;
    color:var(--text);
    text-align:center;
    max-width:90px;
    line-height:1.3;
}
.node-info{
    font-size:9px;
    color:var(--text-dim);
    margin-top:2px;
    text-align:center;
}
.chain-node.dragging{z-index:1000;}
.chain-node.dragging .node{
    transform:scale(1.1);
    box-shadow:0 12px 32px rgba(0,0,0,0.7),0 0 24px var(--accent-dim);
}
@keyframes nodeAppear{
    0%{opacity:0;transform:scale(0.5) translateY(16px)}
    60%{transform:scale(1.08) translateY(-3px)}
    100%{opacity:1;transform:scale(1) translateY(0)}
}
@keyframes lineAppear{
    0%{opacity:0;clip-path:inset(0 100% 0 0)}
    100%{opacity:1;clip-path:inset(0 0% 0 0)}
}
.chain-node.appearing{
    opacity:0;
    animation:nodeAppear 0.4s cubic-bezier(0.34,1.56,0.64,1) forwards;
}
.connection-line.appearing{
    animation:lineAppear 0.35s ease forwards;
}

/* ── CONNECTION LINES ── */
.connection-line{
    position:absolute;
    height:2px;
    background:var(--accent);
    opacity:0.35;
    z-index:1;
    pointer-events:none;
    overflow:hidden;
    border-radius:1px;
}
.connection-line::before{
    content:'';
    position:absolute;
    top:0;left:-40px;
    width:40px;height:100%;
    background:linear-gradient(90deg,transparent,rgba(255,255,255,0.55),transparent);
    animation:conveyorFlow 2s linear infinite;
}
@keyframes conveyorFlow{
    0%{left:-40px}
    100%{left:calc(100% + 40px)}
}
.connection-line::after{
    content:'';
    position:absolute;
    right:-5px;top:-3px;
    width:0;height:0;
    border-left:5px solid var(--accent);
    border-top:3px solid transparent;
    border-bottom:3px solid transparent;
    z-index:2;
}
.connection-label{
    position:absolute;
    top:-16px;left:50%;
    transform:translateX(-50%);
    background:var(--bg2);
    color:var(--text);
    padding:2px 7px;
    border-radius:4px;
    font-size:9px;
    white-space:nowrap;
    border:1px solid var(--accent-dim);
    z-index:5;
}

/* ── NODE TOOLTIP ── */
.node-tooltip{
    position:fixed;
    background:var(--bg2);
    border:1px solid var(--accent-dim);
    border-radius:10px;
    padding:12px 14px;
    font-size:11px;
    color:var(--text-dim);
    pointer-events:none;
    z-index:9999;
    opacity:0;
    transition:opacity 0.15s;
    min-width:180px;
    max-width:260px;
    box-shadow:0 8px 32px rgba(0,0,0,0.8),0 0 0 1px var(--accent-dim);
}
.node-tooltip.show{opacity:1;}
.node-tooltip-title{font-size:13px;font-weight:700;color:var(--accent);margin-bottom:8px;padding-bottom:7px;border-bottom:1px solid var(--border);}
.node-tooltip-row{display:flex;justify-content:space-between;gap:16px;padding:2px 0;}
.node-tooltip-row span:last-child{color:var(--text);font-weight:600;}
.node-tooltip-inputs{margin-top:8px;padding-top:7px;border-top:1px solid var(--border);}
.node-tooltip-inputs-label{font-size:8px;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);margin-bottom:6px;font-weight:700;}
.node-tooltip-inputs-list{display:flex;flex-direction:column;gap:4px;}
.node-tooltip-input-row{display:flex;align-items:center;gap:7px;}
.node-tooltip-input-icon{width:20px;height:20px;object-fit:contain;image-rendering:pixelated;flex-shrink:0;opacity:0.9;}
.node-tooltip-input-name{flex:1;font-size:10px;color:var(--text-dim);}
.node-tooltip-input-amt{font-size:10px;font-weight:700;color:var(--text);white-space:nowrap;}

/* ── ALT RECIPE ── */
.alt-recipe{background:var(--bg3);border:1px solid var(--border);border-radius:8px;padding:10px 12px;margin-bottom:6px;cursor:pointer;transition:all 0.2s;}
.alt-recipe:hover{border-color:var(--accent-dim);background:var(--bg4);}
.alt-recipe.selected{border-color:var(--accent-dim);background:var(--accent-dim);}
.alt-recipe-name{font-size:12px;font-weight:600;margin-bottom:3px;color:var(--text);}
.alt-recipe-badge{display:inline-block;font-size:9px;padding:1px 5px;border-radius:3px;background:var(--accent);color:#000;font-weight:700;margin-left:5px;}
.alt-recipe-info{font-size:10px;color:var(--text-dim);}
.node-alt-btn{font-size:9px;color:var(--accent);cursor:pointer;margin-top:2px;opacity:0.6;text-align:center;}
.node-alt-btn:hover{opacity:1;}
.node-alt-badge{
    position:absolute;
    top:-6px;right:-6px;
    background:var(--accent);
    color:#000;
    font-size:8px;
    font-weight:800;
    letter-spacing:0.5px;
    padding:2px 5px;
    border-radius:4px;
    pointer-events:none;
    z-index:20;
    box-shadow:0 0 8px var(--accent-glow);
    animation:badgePop 0.3s cubic-bezier(0.34,1.56,0.64,1) forwards;
}
@keyframes badgePop{
    0%{transform:scale(0);opacity:0}
    100%{transform:scale(1);opacity:1}
}

/* ── BOUNDARY GLOW ── */
.boundary-glow{position:absolute;pointer-events:none;z-index:5;opacity:0;transition:opacity 0.15s ease;}
.boundary-glow.show{opacity:1;}

/* ── CHAIN LANES ── */
.chain-lane{position:absolute;top:0;pointer-events:none;z-index:2;opacity:0;animation:laneAppear 0.6s ease forwards;}
@keyframes laneAppear{from{opacity:0}to{opacity:1}}
.chain-lane-divider{position:absolute;top:0;right:0;width:1px;height:100%;background:linear-gradient(180deg,transparent 0%,var(--accent) 20%,var(--accent) 80%,transparent 100%);opacity:0.18;}
.chain-lane-label{position:absolute;top:16px;left:50%;transform:translateX(-50%);font-size:8px;font-weight:700;text-transform:uppercase;letter-spacing:2px;color:var(--accent);opacity:0.3;white-space:nowrap;pointer-events:none;}

/* ── SCROLLBAR ── */
::-webkit-scrollbar{width:6px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:var(--accent-dim);border-radius:3px;border:1px solid rgba(255,255,255,0.05);}
::-webkit-scrollbar-thumb:hover{background:var(--accent-glow);}

/* ── RESOURCE MODAL ── */
.resource-modal{
    position:fixed;top:0;left:0;
    width:100%;height:100%;
    background:rgba(0,0,0,0);
    display:none;
    align-items:center;
    justify-content:center;
    z-index:1000;
    transition:background 0.3s;
}
.resource-modal.show{background:rgba(0,0,0,0.85);}
.modal-content{
    background:var(--bg2);
    border:1px solid var(--accent-dim);
    border-radius:12px;
    padding:24px;
    width:300px;
    text-align:center;
    box-shadow:0 20px 60px rgba(0,0,0,0.7);
    transform:scale(0.9) translateY(16px);
    opacity:0;
    transition:all 0.25s cubic-bezier(0.34,1.56,0.64,1);
}
.resource-modal.show .modal-content{transform:scale(1) translateY(0);opacity:1;}
.modal-title{
    font-size:14px;
    font-weight:700;
    margin-bottom:16px;
    color:var(--text);
    letter-spacing:0.3px;
}
.modal-buttons{display:flex;gap:8px;}
.modal-btn{
    flex:1;
    padding:10px;
    border:none;
    border-radius:7px;
    cursor:pointer;
    font-weight:700;
    font-size:11px;
    text-transform:uppercase;
    letter-spacing:0.5px;
    transition:all 0.2s;
    font-family:'Inter',sans-serif;
}
.modal-btn.primary{background:var(--accent);color:#000;}
.modal-btn.primary:hover{opacity:0.9;transform:translateY(-1px);}
.modal-btn.secondary{background:var(--bg3);color:var(--text-dim);border:1px solid var(--border);}
.modal-btn.secondary:hover{border-color:var(--accent-dim);color:var(--text);}

/* ── LOADING OVERLAY ── */
.loading-overlay{position:absolute;inset:0;background:rgba(8,8,8,0.85);display:none;align-items:center;justify-content:center;z-index:500;backdrop-filter:blur(4px);}
.loading-overlay.show{display:flex;}
.loading-spinner{display:flex;flex-direction:column;align-items:center;gap:16px;}
.spinner-ring{width:44px;height:44px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 0.7s linear infinite;}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-text{font-size:10px;text-transform:uppercase;letter-spacing:2px;color:var(--accent);animation:loadingPulse 1s ease-in-out infinite;}
@keyframes loadingPulse{0%,100%{opacity:1}50%{opacity:0.3}}

/* ── PLACEHOLDER ── */
.chain-placeholder,.builder-placeholder{
    position:absolute;
    top:50%;left:50%;
    transform:translate(-50%,-50%);
    text-align:center;
    color:var(--text-muted);
    pointer-events:none;
    z-index:10;
}
.chain-placeholder .ph-icon,.builder-placeholder .ph-icon{
    width:60px;height:60px;
    margin:0 auto 18px;
    border:1px solid var(--border);
    border-radius:14px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:26px;
    background:var(--bg3);
    animation:phFloat 3s ease-in-out infinite;
}
@keyframes phFloat{
    0%,100%{transform:translateY(0)}
    50%{transform:translateY(-8px)}
}
.chain-placeholder h3,.builder-placeholder h3{
    font-size:15px;
    font-weight:600;
    color:var(--text-dim);
    margin-bottom:8px;
}
.chain-placeholder p,.builder-placeholder p{
    font-size:11px;
    color:var(--text-muted);
    max-width:240px;
    line-height:1.6;
}
.chain-placeholder .ph-hint{
    margin-top:18px;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    font-size:10px;
    color:var(--text-muted);
}
.chain-placeholder .ph-key{
    background:var(--bg3);
    border:1px solid var(--border);
    border-radius:4px;
    padding:2px 7px;
    font-size:10px;
    color:var(--text-dim);
}

/* ── CONFIG PANEL ── */
.config-panel{
    background:var(--bg2);
    border-left:1px solid var(--border);
    padding:20px;
    overflow-y:auto;
}
.panel-header{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:20px;
    padding-bottom:12px;
    border-bottom:1px solid var(--border);
}
.panel-title{
    font-size:11px;
    text-transform:uppercase;
    letter-spacing:1px;
    color:var(--accent);
    font-weight:700;
}
.close-btn{
    color:var(--text-dim);
    cursor:pointer;
    font-size:14px;
    transition:color 0.2s;
    width:24px;height:24px;
    display:flex;align-items:center;justify-content:center;
    border-radius:4px;
    background:var(--bg3);
}
.close-btn:hover{color:var(--text);background:var(--bg4);}
.config-field{margin-bottom:16px;}
.field-label{
    font-size:10px;
    text-transform:uppercase;
    letter-spacing:0.8px;
    color:var(--text-dim);
    margin-bottom:6px;
    font-weight:600;
}
.dropdown{
    width:100%;
    background:var(--bg3);
    border:1px solid var(--border);
    border-radius:7px;
    padding:9px 12px;
    color:var(--text);
    font-size:12px;
    cursor:pointer;
    font-family:'Inter',sans-serif;
}
.dropdown:focus{outline:none;border-color:var(--accent-dim);}
.config-input{
    width:100%;
    background:var(--bg3);
    border:1px solid var(--border);
    border-radius:7px;
    padding:9px 12px;
    color:var(--text);
    font-size:12px;
    font-family:'Inter',sans-serif;
}
.config-input:focus{outline:none;border-color:var(--accent-dim);}
.unit-label{font-size:11px;color:var(--text-dim);margin-left:6px;}
.calculate-chain-btn{
    width:100%;
    background:var(--accent);
    border:none;
    border-radius:7px;
    padding:11px;
    color:#000;
    font-size:11px;
    text-transform:uppercase;
    letter-spacing:0.5px;
    cursor:pointer;
    transition:all 0.2s;
    font-weight:700;
    margin-bottom:8px;
    font-family:'Inter',sans-serif;
}
.calculate-chain-btn:hover{opacity:0.9;transform:translateY(-1px);}
.delete-btn{
    width:100%;
    background:rgba(220,38,38,0.15);
    border:1px solid rgba(220,38,38,0.3);
    border-radius:7px;
    padding:10px;
    color:#f87171;
    font-size:11px;
    text-transform:uppercase;
    letter-spacing:0.5px;
    cursor:pointer;
    transition:all 0.2s;
    font-weight:600;
    font-family:'Inter',sans-serif;
}
.delete-btn:hover{
    background:rgba(220,38,38,0.25);
    border-color:rgba(220,38,38,0.5);
}

/* ── ZOOM CONTROLS ── */
.zoom-controls{
    position:absolute;
    bottom:16px;left:16px;
    display:flex;
    flex-direction:column;
    gap:3px;
    z-index:200;
}
.zoom-btn{
    width:30px;height:30px;
    background:var(--bg3);
    border:1px solid var(--border);
    border-radius:6px;
    color:var(--text-dim);
    font-size:15px;
    cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    transition:all 0.2s;
    backdrop-filter:blur(10px);
    font-family:'Inter',sans-serif;
}
.zoom-btn:hover{border-color:var(--accent-dim);color:var(--accent);}
.zoom-level{
    width:30px;height:22px;
    background:var(--bg3);
    border:1px solid var(--border);
    border-radius:4px;
    color:var(--text-dim);
    font-size:9px;
    display:flex;align-items:center;justify-content:center;
    backdrop-filter:blur(10px);
}

/* ── NODE COUNTER ── */
.node-counter{
    position:absolute;
    top:16px;left:16px;
    background:var(--bg3);
    border:1px solid var(--border);
    border-radius:6px;
    padding:5px 10px;
    font-size:10px;
    color:var(--text-dim);
    z-index:200;
    backdrop-filter:blur(10px);
    display:none;
}
.node-counter span{color:var(--accent);font-weight:700;}

/* ── SUMMARY ── */
#summary-content{max-height:280px;overflow-y:auto;}

/* ── HOTKEY HINT ── */
.hotkey-hint{
    position:absolute;
    bottom:16px;left:52px;
    font-size:10px;
    color:var(--text-muted);
    z-index:100;
    display:flex;
    gap:12px;
}
.hotkey-hint kbd{
    background:var(--bg3);
    border:1px solid var(--border);
    border-radius:3px;
    padding:1px 5px;
    font-size:9px;
    color:var(--text-dim);
    font-family:inherit;
}

/* ── SUMMARY PANEL ── */
.summary-panel{
    position:absolute;
    bottom:16px;right:16px;
    width:210px;
    background:var(--bg2);
    border:1px solid var(--accent-dim);
    border-radius:10px;
    padding:12px 14px;
    z-index:200;
    box-shadow:0 8px 24px rgba(0,0,0,0.6);
}
.summary-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;}
.summary-title{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--accent);display:flex;align-items:center;gap:7px;}
.summary-icon{width:16px;height:16px;flex-shrink:0;}
.summary-row{display:flex;justify-content:space-between;padding:3px 0;border-bottom:1px solid var(--border);font-size:10px;color:var(--text-dim);}
.summary-row:last-child{border-bottom:none;}
.summary-row .val{font-weight:700;color:var(--accent);}
.summary-section{font-size:9px;text-transform:uppercase;letter-spacing:0.5px;color:var(--text-muted);margin:6px 0 3px;}

/* ── TOOLTIP ── */
.tooltip{
    position:absolute;
    background:var(--bg2);
    color:var(--text);
    padding:10px 14px;
    border-radius:8px;
    font-size:11px;
    pointer-events:none;
    z-index:1000;
    border:1px solid var(--border);
    box-shadow:0 8px 24px rgba(0,0,0,0.5);
    opacity:0;
    transition:opacity 0.2s;
}
.tooltip.show{opacity:1;}

/* ── DRAG AND DROP ── */
.unit-item[draggable="true"]{cursor:grab;}
.unit-item[draggable="true"]:active{cursor:grabbing;}

/* ── HEADER ACTION BTN ── */
.header-action-btn{
    padding:6px 12px;
    background:var(--bg3);
    border:1px solid var(--border);
    border-radius:6px;
    color:var(--text-dim);
    font-size:11px;
    font-weight:600;
    cursor:pointer;
    transition:all 0.2s;
    font-family:'Inter',sans-serif;
}
.header-action-btn:hover{border-color:var(--accent-dim);color:var(--accent);background:var(--accent-dim);}

/* ── CLEAR CANVAS BTN ── */
.clear-canvas-btn{
    position:absolute;
    top:16px;right:16px;
    background:var(--bg3);
    border:1px solid var(--border);
    border-radius:7px;
    padding:8px 14px;
    color:var(--text-dim);
    cursor:pointer;
    font-size:11px;
    font-weight:600;
    text-transform:uppercase;
    letter-spacing:0.5px;
    transition:all 0.2s;
    z-index:100;
    backdrop-filter:blur(10px);
    font-family:'Inter',sans-serif;
}
.clear-canvas-btn:hover{
    border-color:rgba(220,38,38,0.4);
    color:#f87171;
    background:rgba(220,38,38,0.1);
}

/* ── RESET RECIPES BTN ── */
.reset-recipes-btn{
    width:100%;
    background:transparent;
    border:1px solid var(--border);
    border-radius:6px;
    padding:6px;
    color:var(--text-dim);
    font-size:10px;
    text-transform:uppercase;
    letter-spacing:0.5px;
    cursor:pointer;
    transition:all 0.2s;
    margin-top:8px;
    font-family:'Inter',sans-serif;
}
.reset-recipes-btn:hover{border-color:var(--accent);color:var(--accent);}

/* ── MULTI PRODUCT PANEL ── */
.multi-panel{position:absolute;bottom:56px;left:16px;z-index:300;background:var(--bg2);border:1px solid var(--border);border-radius:12px;padding:10px 12px;display:none;flex-direction:column;gap:6px;min-width:300px;max-width:420px;box-shadow:0 8px 32px rgba(0,0,0,.7);backdrop-filter:blur(10px);}
.multi-panel.open{display:flex;}
.multi-panel-arrow{position:absolute;bottom:-6px;left:11px;width:10px;height:10px;background:var(--bg2);border-right:1px solid var(--border);border-bottom:1px solid var(--border);transform:rotate(45deg);}
.multi-row{display:flex;align-items:center;gap:6px;position:relative;}
.multi-trigger{flex:1;background:var(--bg3);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:11px;padding:5px 7px;font-family:Inter,sans-serif;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:4px;min-width:0;transition:border-color .15s;}
.multi-trigger:hover{border-color:var(--accent-dim);}
.multi-trigger-text{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-dim);}
.multi-trigger-text.chosen{color:var(--text);}
.multi-trigger-arrow{font-size:8px;color:var(--text-muted);flex-shrink:0;}
.multi-dropdown{position:absolute;left:0;bottom:calc(100% + 4px);width:280px;background:var(--bg2);border:1px solid var(--accent-dim);border-radius:10px;z-index:400;display:none;flex-direction:column;box-shadow:0 8px 32px rgba(0,0,0,.7);overflow:hidden;}
.multi-dropdown.open{display:flex;}
.multi-search{background:var(--bg3);border:none;border-bottom:1px solid var(--border);color:var(--text);font-size:11px;padding:8px 10px;font-family:Inter,sans-serif;outline:none;width:100%;box-sizing:border-box;}
.multi-search::placeholder{color:var(--text-muted);}
.multi-dropdown-list{overflow-y:auto;max-height:220px;}
.mdd-cat{font-size:8px;text-transform:uppercase;letter-spacing:.6px;color:var(--text-muted);font-weight:700;padding:6px 10px 3px;background:var(--bg2);position:sticky;top:0;}
.mdd-item{padding:6px 10px;font-size:11px;color:var(--text-dim);cursor:pointer;display:flex;align-items:center;gap:6px;transition:background .1s;}
.mdd-item:hover{background:var(--bg3);color:var(--text);}
.mdd-alt{font-size:8px;font-weight:700;padding:1px 4px;border-radius:3px;background:rgba(139,92,246,.2);color:#a78bfa;border:1px solid rgba(139,92,246,.3);margin-left:auto;}
.mdd-empty{padding:10px;font-size:11px;color:var(--text-muted);text-align:center;}
.multi-amount{width:68px;background:var(--bg3);border:1px solid var(--border);border-radius:6px;color:var(--text);font-size:11px;padding:5px 7px;font-family:Inter,sans-serif;text-align:center;}
.multi-amount:focus{outline:none;border-color:var(--accent-dim);}
.multi-remove{width:22px;height:22px;border-radius:5px;background:transparent;border:1px solid var(--border);color:var(--text-dim);cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:all .15s;flex-shrink:0;}
.multi-remove:hover{border-color:#ef4444;color:#ef4444;}
.multi-footer{display:flex;gap:6px;margin-top:2px;}
.multi-add-btn{flex:1;padding:6px;background:var(--bg3);border:1px solid var(--border);border-radius:6px;color:var(--text-dim);cursor:pointer;font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;transition:all .15s;font-family:Inter,sans-serif;}
.multi-add-btn:hover{border-color:var(--accent-dim);color:var(--accent);}
.multi-calc-btn{flex:2;padding:6px;background:var(--accent);border:none;border-radius:6px;color:#000;cursor:pointer;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;transition:all .15s;font-family:Inter,sans-serif;}
.multi-calc-btn:hover{opacity:.9;transform:translateY(-1px);}
.multi-label{font-size:9px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-dim);font-weight:700;margin-bottom:2px;}

/* ── MINER SETTINGS ── */
.miner-settings{margin-bottom:14px;text-align:left;}
.miner-settings-title{font-size:10px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-dim);margin-bottom:6px;font-weight:700;}
.miner-toggle-group{display:flex;gap:4px;margin-bottom:8px;}
.miner-toggle{flex:1;padding:6px 4px;background:var(--bg3);border:1px solid var(--border);border-radius:6px;color:var(--text-dim);cursor:pointer;font-size:11px;font-weight:600;text-align:center;transition:all .15s;font-family:'Inter',sans-serif;}
.miner-toggle:hover{border-color:var(--accent-dim);color:var(--text);}
.miner-toggle.active{background:var(--accent);border-color:var(--accent);color:#000;}
.miner-node-popup{position:absolute;bottom:calc(100% + 10px);left:50%;transform:translateX(-50%) scale(0.85);background:var(--bg2);border:1px solid var(--accent-dim);border-radius:12px;padding:12px;width:190px;z-index:200;opacity:0;pointer-events:none;transition:all .18s cubic-bezier(0.34,1.4,0.64,1);box-shadow:0 8px 32px rgba(0,0,0,.7),0 0 12px var(--accent-glow);}
.miner-node-popup.open{opacity:1;pointer-events:all;transform:translateX(-50%) scale(1);}
.miner-popup-title{font-size:9px;text-transform:uppercase;letter-spacing:.6px;color:var(--accent);font-weight:700;margin-bottom:8px;text-align:center;}
.miner-popup-row{display:flex;gap:4px;margin-bottom:6px;}
.miner-popup-btn{flex:1;padding:5px 2px;background:var(--bg3);border:1px solid var(--border);border-radius:6px;color:var(--text-dim);cursor:pointer;font-size:10px;font-weight:600;text-align:center;transition:all .12s;font-family:Inter,sans-serif;}
.miner-popup-btn:hover{border-color:var(--accent-dim);color:var(--accent);}
.miner-popup-btn.active{background:var(--accent-dim);border-color:var(--accent);color:var(--accent);}
.miner-node-indicator{position:absolute;bottom:-4px;right:-4px;width:18px;height:18px;border-radius:50%;background:var(--accent);display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:700;color:#000;border:2px solid var(--bg3);pointer-events:none;}

/* ── BUILDER VIEW ── */
#builder-view{display:none;grid-column:1/-1;grid-template-columns:220px 1fr;height:100%;overflow:hidden;}
#builder-view.active{display:grid;}
.builder-sidebar{background:var(--bg2);border-right:1px solid var(--border);overflow:hidden;display:flex;flex-direction:column;height:100%;box-sizing:border-box;}
.builder-machine-item{background:var(--bg3);border:1px solid var(--border);border-radius:8px;cursor:grab;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;transition:all .15s;user-select:none;overflow:hidden;position:relative;}
.builder-machine-item::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--accent);opacity:0;transition:opacity .15s;border-radius:8px 8px 0 0;}
.builder-machine-item:hover{border-color:var(--accent-dim);background:var(--bg4);transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,0,0,0.5),0 0 8px var(--accent-dim);}
.builder-machine-item:hover::before{opacity:1;}
.builder-machine-item:active{cursor:grabbing;transform:scale(0.97);}
.builder-machine-name{font-size:9px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.2;}
.builder-machine-power{font-size:8px;color:var(--text-dim);margin-top:1px;}
.builder-cat-title{font-size:9px;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);font-weight:700;padding:6px 0 3px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border);margin-bottom:3px;}
.builder-cat-title:hover{color:var(--text-dim);}

/* ── BUILDER CANVAS ── */
.builder-canvas {
    background: var(--bg);
    position: relative; overflow: hidden; height: 100%;
}
.builder-canvas::before {
    content: '';
    position: absolute; top: -32px; left: -32px;
    width: calc(100% + 64px); height: calc(100% + 64px);
    background: radial-gradient(circle, var(--dot-color) 1px, transparent 1px);
    background-size: 32px 32px;
    pointer-events: none;
    animation: blueprintDots 6s linear infinite;
    opacity: 0.5; z-index: 0;
}
.b-grid-canvas {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none; z-index: 1;
}

/* ── BUILDER NODES ── */
.b-node { position: absolute; user-select: none; z-index: 10; cursor: move; }
.b-node-inner {
    width: 200px;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.04);
    transition: border-color .2s, box-shadow .2s, transform .15s;
    position: relative; overflow: visible;
}
.b-node-inner::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--nc, var(--accent)), transparent);
    border-radius: 12px 12px 0 0; opacity: .9;
}
.b-node-inner:hover {
    border-color: var(--nc, var(--accent));
    box-shadow: 0 0 0 1px var(--nc, var(--accent)), 0 0 24px var(--accent-glow), 0 8px 28px rgba(0,0,0,.7);
    transform: translateY(-1px);
}
.b-node.selected .b-node-inner {
    border-color: var(--nc, var(--accent));
    box-shadow: 0 0 0 2px var(--nc, var(--accent)), 0 0 36px var(--accent-glow), 0 8px 32px rgba(0,0,0,.8);
    transform: translateY(-2px);
}
.b-node-header {
    display: flex; align-items: center; gap: 10px;
    padding: 11px 13px 9px;
    border-bottom: 1px solid var(--border); cursor: move;
}
.b-node-icon-box {
    width: 34px; height: 34px; flex-shrink: 0;
    background: var(--accent-dim);
    border: 1px solid var(--nc, var(--accent)); border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 0 8px var(--accent-glow);
}
.b-node-icon { width: 22px; height: 22px; object-fit: contain; image-rendering: pixelated; filter: drop-shadow(0 1px 3px rgba(0,0,0,.7)); }
.b-node-title { flex: 1; min-width: 0; }
.b-node-name { font-size: 11px; font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; letter-spacing: .2px; }
.b-node-cat  { font-size: 8px; color: var(--nc, var(--accent)); text-transform: uppercase; letter-spacing: .8px; margin-top: 2px; font-weight: 600; opacity: .85; }
.b-node-body { padding: 8px 13px 6px; }
.b-node-recipe {
    display: flex; align-items: center; justify-content: space-between;
    padding: 6px 10px; background: var(--bg3);
    border: 1px solid var(--border); border-radius: 7px; cursor: pointer;
    transition: all .15s;
}
.b-node-recipe:hover { background: var(--bg4); border-color: var(--nc, var(--accent)); box-shadow: 0 0 6px var(--accent-dim); }
.b-node-recipe-label { font-size: 8px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .5px; font-weight: 600; }
.b-node-recipe-val   { font-size: 10px; font-weight: 700; color: var(--nc, var(--accent)); max-width: 100px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.b-node-recipe .fa-chevron-down { font-size: 7px; color: var(--text-dim); }
.b-node-footer {
    display: flex; justify-content: space-between; align-items: center;
    padding: 5px 13px 10px; border-top: 1px solid var(--border);
}
.b-node-power { font-size: 9px; color: var(--text-dim); font-weight: 600; }
.b-node-power i { color: #22d3ee; margin-right: 3px; }
.b-node-rate  { font-size: 10px; font-weight: 700; color: var(--nc, var(--accent)); }

/* ── BUILDER PORTS ── */
.b-ports-left, .b-ports-right {
    position: absolute; top: 50%; transform: translateY(-50%);
    display: flex; flex-direction: column; gap: 10px; z-index: 20;
}
.b-ports-left  { left:  -13px; }
.b-ports-right { right: -13px; }
.b-port {
    width: 13px; height: 13px; border-radius: 50%;
    cursor: crosshair; position: relative;
    transition: transform .12s, box-shadow .12s;
    flex-shrink: 0; border: 2px solid;
}
.b-port:hover { transform: scale(1.7); z-index: 21; }
.b-port-in  { background: var(--bg); border-color: var(--border); }
.b-port-out { background: var(--bg); border-color: var(--nc, var(--accent)); box-shadow: 0 0 8px var(--accent-glow); }
.b-port-in:hover  { border-color: var(--text-dim); box-shadow: 0 0 10px rgba(255,255,255,.2); }
.b-port-out:hover { box-shadow: 0 0 16px var(--nc, var(--accent)); }
.b-port.port-occupied { opacity: .2; cursor: not-allowed; }
.b-port.port-hover-target { border-color: #4ade80 !important; box-shadow: 0 0 18px #4ade80 !important; transform: scale(1.9); }
.b-port::after {
    content: attr(data-label);
    position: absolute; top: 50%; transform: translateY(-50%);
    background: var(--bg2); border: 1px solid var(--border);
    border-radius: 4px; padding: 3px 8px; font-size: 8px;
    color: var(--text-dim); white-space: nowrap;
    pointer-events: none; opacity: 0; transition: opacity .15s; z-index: 100;
}
.b-port-in::after  { left:  18px; }
.b-port-out::after { right: 18px; }
.b-port:hover::after { opacity: 1; }

/* ── BUILDER RECIPE POPUP ── */
.b-recipe-popup {
    position: absolute; top: calc(100% + 8px); left: 0; width: 260px;
    background: var(--bg2); border: 1px solid var(--accent-dim);
    border-radius: 12px; padding: 8px; z-index: 500;
    box-shadow: 0 24px 60px rgba(0,0,0,.95), 0 0 0 1px var(--border);
    display: none; max-height: 340px; overflow-y: auto;
}
.b-recipe-popup.open { display: block; animation: popIn .14s ease; }
@keyframes popIn { from { opacity:0; transform:translateY(-4px) } to { opacity:1; transform:none } }
.b-recipe-opt { display: flex; align-items: center; gap: 9px; padding: 7px 10px; border-radius: 7px; cursor: pointer; transition: all .1s; border-left: 2px solid transparent; }
.b-recipe-opt:hover  { background: var(--bg3); border-left-color: var(--accent); }
.b-recipe-opt.active { background: var(--accent-dim); border: 1px solid var(--accent-dim); }
.b-recipe-opt img { width: 22px; height: 22px; object-fit: contain; image-rendering: pixelated; flex-shrink: 0; }
.b-recipe-opt-name { font-size: 10px; font-weight: 600; color: var(--text); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.b-recipe-opt-rate { font-size: 9px; color: var(--text-dim); white-space: nowrap; }
.b-recipe-opt.active .b-recipe-opt-name { color: var(--accent); }
.b-recipe-search { width: 100%; background: var(--bg3); border: 1px solid var(--border); border-radius: 7px; padding: 6px 10px; color: var(--text); font-size: 10px; outline: none; box-sizing: border-box; margin-bottom: 6px; font-family: inherit; transition: border-color .2s; }
.b-recipe-search:focus { border-color: var(--accent); }
.b-recipe-section { font-size: 8px; text-transform: uppercase; letter-spacing: .4px; color: var(--accent); font-weight: 700; padding: 5px 6px 3px; }

/* ── BUILDER SELECTION ── */
.b-sel-box { position: absolute; border: 1px solid var(--accent); background: var(--accent-dim); pointer-events: none; z-index: 50; border-radius: 4px; }
.b-area { position: absolute; border: 1px solid; border-radius: 8px; z-index: 5; pointer-events: none; }

/* ── BUILDER PROPS PANEL ── */
.b-props-panel {
    position: absolute; top: 0; right: 0; width: 260px; height: 100%;
    background: var(--bg2); border-left: 1px solid var(--border);
    display: flex; flex-direction: column; z-index: 200;
}
.b-props-panel::before {
    content: ''; position: absolute; top: 0; left: 0; bottom: 0; width: 1px;
    background: linear-gradient(180deg, transparent, var(--accent), transparent);
    opacity: .25;
}
.b-props-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 14px 16px 12px; border-bottom: 1px solid var(--border);
    flex-shrink: 0; position: relative;
}
.b-props-header::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: .3;
}
.b-props-title { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.5px; color: var(--accent); display: flex; align-items: center; gap: 7px; }
.b-props-close {
    width: 24px; height: 24px; display: flex; align-items: center; justify-content: center;
    background: var(--bg3); border: 1px solid var(--border); border-radius: 6px;
    cursor: pointer; color: var(--text-dim); font-size: 13px; transition: all .2s;
}
.b-props-close:hover { background: var(--bg4); color: var(--text); border-color: var(--accent-dim); }
.b-props-body { padding: 16px; flex: 1; overflow-y: auto; }
.b-props-machine {
    display: flex; align-items: center; gap: 12px; padding: 12px;
    margin-bottom: 16px; background: var(--accent-dim);
    border: 1px solid var(--accent-dim); border-radius: 10px;
}
.b-props-machine-icon {
    width: 44px; height: 44px; flex-shrink: 0;
    background: var(--bg3); border: 1px solid var(--accent-dim);
    border-radius: 9px; display: flex; align-items: center; justify-content: center;
    box-shadow: 0 0 12px var(--accent-glow);
}
.b-props-machine-icon img { width: 28px; height: 28px; object-fit: contain; image-rendering: pixelated; }
.b-props-machine-name { font-size: 12px; font-weight: 700; color: var(--text); line-height: 1.3; }
.b-props-machine-type { font-size: 9px; color: var(--accent); text-transform: uppercase; letter-spacing: .5px; margin-top: 2px; font-weight: 600; }
.b-props-section { font-size: 9px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-dim); font-weight: 700; margin: 16px 0 8px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.b-props-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 4px; }
.b-props-stat { background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; padding: 10px; text-align: center; transition: border-color .2s; }
.b-props-stat:hover { border-color: var(--accent-dim); }
.b-props-stat-label { font-size: 8px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 4px; }
.b-props-stat-val { font-size: 14px; font-weight: 700; color: var(--accent); }
.b-props-stat-val.blue { color: #22d3ee; }
.b-props-stat-val.dim  { color: var(--text-dim); font-size: 12px; }
.b-props-slider-row { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.b-props-slider-val { font-size: 12px; font-weight: 700; color: var(--accent); min-width: 40px; text-align: right; }
.b-props-notes { width: 100%; background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; padding: 9px; color: var(--text-dim); font-size: 10px; resize: none; height: 64px; font-family: inherit; outline: none; transition: border-color .2s; box-sizing: border-box; }
.b-props-notes:focus { border-color: var(--accent); }
.b-props-actions { padding: 12px 16px 16px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 6px; flex-shrink: 0; }
.b-props-btn { width: 100%; border: none; border-radius: 8px; padding: 10px; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; cursor: pointer; transition: all .2s; font-family: inherit; display: flex; align-items: center; justify-content: center; gap: 6px; }
.b-props-btn.danger    { background: rgba(220,38,38,.12); color: #f87171; border: 1px solid rgba(220,38,38,.2); }
.b-props-btn.danger:hover { background: rgba(220,38,38,.22); border-color: rgba(220,38,38,.4); }
.b-props-btn.secondary { background: var(--bg3); color: var(--text-dim); border: 1px solid var(--border); }
.b-props-btn.secondary:hover { border-color: var(--accent-dim); color: var(--accent); background: var(--accent-dim); }

/* ── BUILDER TOOLBAR ── */
.b-toolbar {
    position: absolute; top: 14px; left: 14px;
    display: flex; align-items: center; gap: 2px; z-index: 200;
    background: var(--bg2); border: 1px solid var(--border);
    border-radius: 10px; padding: 4px;
    backdrop-filter: blur(20px); box-shadow: 0 4px 20px rgba(0,0,0,.5);
}
.b-toolbar-btn { height: 28px; padding: 0 10px; background: transparent; border: none; border-radius: 7px; color: var(--text-dim); font-size: 10px; font-weight: 600; cursor: pointer; display: flex; align-items: center; gap: 5px; transition: all .15s; white-space: nowrap; font-family: inherit; }
.b-toolbar-btn:hover { background: var(--bg3); color: var(--text); }
.b-toolbar-btn.active { background: var(--accent); color: #000; box-shadow: 0 2px 8px var(--accent-dim); }
.b-toolbar-btn.danger-btn:hover { background: rgba(220,38,38,.12); color: #f87171; }
.b-toolbar-sep { width: 1px; height: 16px; background: var(--border); margin: 0 2px; flex-shrink: 0; }

/* ── BUILDER ZOOM ── */
.b-zoom {
    position: absolute; bottom: 14px; right: 14px;
    display: flex; flex-direction: column; gap: 3px; z-index: 200;
}
.b-zoom .zoom-btn { width: 30px; height: 30px; background: var(--bg3); border: 1px solid var(--border); border-radius: 6px; color: var(--text-dim); font-size: 15px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all .2s; backdrop-filter: blur(10px); font-family: inherit; }
.b-zoom .zoom-btn:hover { border-color: var(--accent-dim); color: var(--accent); }
.b-zoom .zoom-level { width: 30px; height: 22px; background: var(--bg3); border: 1px solid var(--border); border-radius: 4px; color: var(--text-dim); font-size: 9px; display: flex; align-items: center; justify-content: center; backdrop-filter: blur(10px); }

/* ── BUILDER STATS ── */
.b-stats {
    position: absolute; bottom: 14px; left: 50%; transform: translateX(-50%);
    background: var(--bg2); border: 1px solid var(--accent-dim);
    border-radius: 10px; padding: 7px 18px; display: none;
    align-items: center; gap: 18px; z-index: 200;
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(0,0,0,.5), 0 0 12px var(--accent-dim);
}
.b-stat { display: flex; align-items: center; gap: 6px; font-size: 10px; color: var(--text-dim); }
.b-stat span { font-weight: 700; color: var(--text); }
.b-stat-sep { width: 1px; height: 14px; background: var(--border); }

/* ── BUILDER HINTS ── */
.b-hints { position: absolute; bottom: 16px; left: 52px; display: flex; gap: 12px; font-size: 10px; color: var(--text-muted); z-index: 100; }
.b-hints kbd { background: var(--bg3); border: 1px solid var(--border); border-radius: 3px; padding: 1px 5px; font-size: 9px; color: var(--text-dim); font-family: inherit; }

/* ── BUILDER SMART DROP ── */
.b-smart-menu { position: fixed; background: var(--bg2); border: 1px solid var(--accent-dim); border-radius: 12px; padding: 8px; z-index: 2000; box-shadow: 0 24px 60px rgba(0,0,0,.95), 0 0 0 1px var(--border); min-width: 260px; max-height: 420px; overflow-y: auto; animation: smartIn .16s cubic-bezier(.34,1.56,.64,1) forwards; }
@keyframes smartIn { from { opacity:0; transform:scale(.92) translateY(-6px) } to { opacity:1; transform:none } }
.b-smart-menu-title { font-size: 9px; text-transform: uppercase; letter-spacing: .8px; color: var(--text-dim); padding: 3px 8px 8px; border-bottom: 1px solid var(--border); margin-bottom: 4px; }
.b-smart-section { font-size: 9px; text-transform: uppercase; letter-spacing: .5px; color: var(--accent); padding: 6px 8px 3px; font-weight: 700; }
.b-smart-item { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; cursor: pointer; transition: all .1s; border-left: 2px solid transparent; }
.b-smart-item:hover { background: var(--bg3); border-left-color: var(--accent); }
.b-smart-item img { width: 24px; height: 24px; object-fit: contain; flex-shrink: 0; image-rendering: pixelated; }
.b-smart-item-info { flex: 1; min-width: 0; }
.b-smart-item-name { font-size: 11px; font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.b-smart-item-sub  { font-size: 9px; color: var(--text-dim); margin-top: 1px; }
.b-smart-item-rate { font-size: 10px; font-weight: 700; color: var(--accent); white-space: nowrap; }

/* ── NODE APPEAR B ── */
@keyframes nodeAppearB {
    0%   { opacity:0; transform:scale(0.7) translateY(12px); }
    60%  { transform:scale(1.04) translateY(-2px); }
    100% { opacity:1; transform:scale(1) translateY(0); }
}
.b-node.appearing { opacity:0; animation: nodeAppearB .35s cubic-bezier(0.34,1.56,0.64,1) forwards; }

/* ── CONTEXT MENU ── */
.ctx-overlay {
    position: fixed; inset: 0;
    z-index: 9998;
    display: none;
}
.ctx-overlay.active {
    display: block;
}
.ctx-menu {
    position: fixed;
    z-index: 9999;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 6px;
    min-width: 190px;
    box-shadow: 0 16px 48px rgba(0,0,0,0.9), 0 0 0 1px var(--border);
    backdrop-filter: blur(24px);
    opacity: 0;
    transform: scale(0.92) translateY(-6px);
    pointer-events: none;
    transition: opacity 0.12s ease, transform 0.18s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.ctx-menu.open {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: all;
}
.ctx-menu-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 7px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dim);
    transition: all 0.12s ease;
    white-space: nowrap;
    position: relative;
}
.ctx-menu-item:hover {
    background: var(--bg4);
    color: var(--text);
}
.ctx-menu-item:active {
    transform: scale(0.97);
}
.ctx-menu-item svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--accent);
    opacity: 0.6;
    transition: opacity 0.12s ease;
}
.ctx-menu-item:hover svg {
    opacity: 1;
}
.ctx-menu-item .ctx-shortcut {
    margin-left: auto;
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.3px;
    padding-left: 16px;
}
.ctx-menu-divider {
    height: 1px;
    background: var(--border);
    margin: 4px 8px;
}
.ctx-menu-item.danger:hover {
    color: #f87171;
}
.ctx-menu-item.danger:hover svg {
    color: #f87171;
}

/* ── THEME TOGGLE (Dark/Light) ── */
.theme-toggle-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    margin: 0 4px;
    display: flex;
    align-items: center;
    outline: none;
    flex-shrink: 0;
}
.toggle-track {
    position: relative;
    width: 44px;
    height: 22px;
    background: var(--bg4);
    border: 1px solid var(--border);
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5px;
    transition: background 0.4s ease, border-color 0.4s ease;
    overflow: hidden;
}
.toggle-track .toggle-icon {
    font-size: 10px;
    z-index: 1;
    transition: color 0.4s ease, transform 0.4s ease;
    position: relative;
}
.toggle-track .moon-icon { color: #a0a0a0; }
.toggle-track .sun-icon { color: #a0a0a0; }
.theme-toggle-btn.light .toggle-track {
    background: #d4d4d4;
    border-color: rgba(0,0,0,0.08);
}
.theme-toggle-btn.light .moon-icon { color: #888; }
.theme-toggle-btn.light .sun-icon { color: #f59e0b; }
.toggle-thumb {
    position: absolute;
    top: 1px;
    left: 1px;
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), background 0.4s ease;
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}
.theme-toggle-btn.light .toggle-thumb {
    transform: translateX(22px);
    background: #f59e0b;
}
.toggle-thumb .thumb-icon {
    font-size: 9px;
    position: absolute;
    transition: opacity 0.3s ease, transform 0.4s ease;
}
.toggle-thumb .moon-thumb { color: #fff; opacity: 1; transform: scale(1); }
.toggle-thumb .sun-thumb { color: #fff; opacity: 0; transform: scale(0) rotate(-90deg); }
.theme-toggle-btn.light .toggle-thumb .moon-thumb { opacity: 0; transform: scale(0) rotate(90deg); }
.theme-toggle-btn.light .toggle-thumb .sun-thumb { opacity: 1; transform: scale(1) rotate(0deg); }
.theme-toggle-btn.pulse .toggle-thumb { animation: togglePulse 0.4s ease; }
@keyframes togglePulse {
    0% { box-shadow: 0 0 0 0 var(--accent-dim); }
    50% { box-shadow: 0 0 0 8px transparent; }
    100% { box-shadow: 0 0 0 0 transparent; }
}
/* ── PRODUCTION GROUPS — user-defined node clusters ───────────── */
.node.cn-selected{background:#6b5a14 !important;border-color:#facc15 !important;box-shadow:0 0 0 3px rgba(250,204,21,.45),0 0 22px rgba(250,204,21,.75),0 4px 16px rgba(0,0,0,.6) !important;}

.chain-group-frame{position:absolute;pointer-events:none;border:1.5px dashed var(--accent);background:rgba(250,149,73,.05);border-radius:14px;z-index:5;}
.chain-group-frame-hdr{position:absolute;top:0;left:0;right:0;height:28px;display:flex;align-items:center;gap:7px;padding:0 10px;background:var(--accent);border-radius:12px 12px 0 0;pointer-events:auto;cursor:default;font-size:11px;font-weight:700;color:#000;}
.cgf-name{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.cgf-collapse-btn{width:18px;height:18px;border:none;border-radius:4px;background:rgba(0,0,0,.2);color:#000;cursor:pointer;font-size:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.cgf-collapse-btn:hover{background:rgba(0,0,0,.35);}

.pgroup{position:absolute;background:var(--bg2);border:1px solid var(--border);border-top:2px solid var(--gc,var(--accent));border-radius:12px;overflow:hidden;box-shadow:0 4px 24px rgba(0,0,0,.55);z-index:10;animation:pgrpIn .3s cubic-bezier(.34,1.4,.64,1) both;user-select:none;cursor:grab;}
@keyframes pgrpIn{from{opacity:0;transform:scale(.92) translateY(8px)}to{opacity:1;transform:none}}
.pgroup:hover{box-shadow:0 6px 32px rgba(0,0,0,.7);}
.pgroup-hdr{display:flex;align-items:center;gap:7px;padding:11px 13px;cursor:pointer;background:rgba(0,0,0,.18);border-bottom:1px solid var(--border);user-select:none;transition:background .12s;}
.pgroup-hdr:hover{background:rgba(255,255,255,.04);}
.pg-name{flex:1;font-size:11.5px;font-weight:700;color:var(--text);letter-spacing:.2px;white-space:nowrap;}
.pg-count{background:var(--bg3);border:1px solid var(--border);border-radius:10px;padding:1px 7px;font-size:9px;font-weight:700;color:var(--text-muted);flex-shrink:0;}
.pg-power{font-size:9px;color:var(--text-muted);flex-shrink:0;white-space:nowrap;display:flex;align-items:center;gap:3px;}
.pg-power .fa-bolt{color:#f0c050;font-size:8px;}
.pgroup-body{padding:4px 0;max-height:248px;overflow-y:auto;}
.pgroup-body::-webkit-scrollbar{width:6px;}
.pgroup-body::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px;}
.pgroup-body::-webkit-scrollbar-thumb:hover{background:var(--text-muted);}
.pg-row{display:flex;align-items:center;gap:7px;padding:5px 13px;border-bottom:1px solid rgba(255,255,255,.04);transition:background .1s;cursor:default;}
.pg-row:last-child{border-bottom:none;}
.pg-row:hover{background:rgba(255,255,255,.03);}
.pg-icon{width:18px;height:18px;object-fit:contain;flex-shrink:0;image-rendering:pixelated;opacity:.85;}
.pg-rname{flex:1;font-size:10.5px;color:var(--text-dim);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.pg-rate{font-size:10px;font-weight:700;color:var(--gc,var(--accent));flex-shrink:0;font-variant-numeric:tabular-nums;}
.pg-mc{font-size:9px;color:var(--text-muted);flex-shrink:0;min-width:30px;text-align:right;font-variant-numeric:tabular-nums;}
.stages-toggle-btn.active{background:var(--accent);color:#000;}

/* Group right-click menu */
.cg-ctx{position:fixed;z-index:900;background:var(--bg2);border:1px solid var(--border);border-radius:8px;padding:5px;min-width:160px;box-shadow:0 12px 32px rgba(0,0,0,.7);opacity:0;transform:scale(.95);transition:opacity .12s,transform .12s;pointer-events:none;}
.cg-ctx.cg-ctx-open{opacity:1;transform:none;pointer-events:auto;}
.cg-ctx-title{font-size:10px;font-weight:700;color:var(--text-dim);padding:6px 10px;text-transform:uppercase;letter-spacing:.5px;}
.cg-ctx-btn{display:flex;align-items:center;gap:8px;width:100%;padding:8px 10px;background:none;border:none;border-radius:6px;color:var(--text);font-size:11px;cursor:pointer;text-align:left;font-family:inherit;}
.cg-ctx-btn:hover{background:var(--bg3);}
.cg-ctx-btn i{width:14px;text-align:center;color:var(--text-dim);}
.cg-ctx-sep{height:1px;background:var(--border);margin:4px 0;}
.cg-ctx-del:hover{background:rgba(220,38,38,.15);color:#f87171;}
.cg-ctx-del:hover i{color:#f87171;}

/* Themed toast — replaces alert() for group notices */
#cg-toast-wrap{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);z-index:2000;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;}
.cg-toast{background:var(--bg2);border:1px solid var(--accent-dim);border-radius:8px;padding:10px 18px;color:var(--text);font-size:12px;font-weight:600;box-shadow:0 8px 24px rgba(0,0,0,.6);opacity:0;transform:translateY(10px);transition:opacity .2s,transform .2s;white-space:nowrap;}
.cg-toast.show{opacity:1;transform:none;}