:root{--bp-bg-deep: #f0f4f8;--bp-bg: #ffffff;--bp-bg-surface: #ffffff;--bp-bg-elevated: #f7f9fc;--bp-border: #d0dbe8;--bp-border-light: #b8c9dc;--bp-grid: rgba(30, 80, 150, .06);--bp-sidebar-bg: #102a4a;--bp-sidebar-hover: #183558;--bp-sidebar-text: #a0b8d0;--bp-sidebar-bright:#e8f1fa;--bp-text: #2c3e50;--bp-text-muted: #7a8fa3;--bp-text-bright: #1a2b3c;--bp-text-heading: #0f2440;--bp-accent: #1a6fc4;--bp-accent-hover: #1480e0;--bp-accent-dim: rgba(26, 111, 196, .08);--bp-accent-light: rgba(26, 111, 196, .12);--bp-success: #16a34a;--bp-success-bg: rgba(22, 163, 74, .08);--bp-warning: #ca8a04;--bp-warning-bg: rgba(202, 138, 4, .08);--bp-error: #dc2626;--bp-error-bg: rgba(220, 38, 38, .08);--bp-info: #1a6fc4;--bp-info-bg: rgba(26, 111, 196, .08);--bp-sidebar-w: 240px;--bp-radius: 6px;--bp-radius-lg: 10px;--bp-font: "IBM Plex Mono", "Fira Code", "Consolas", monospace;--bp-font-sans: "Inter", "IBM Plex Sans", -apple-system, sans-serif;--bp-font-size-xs: .7rem;--bp-font-size-sm: .8rem;--bp-font-size-md: .875rem;--bp-font-size-lg: 1.1rem;--bp-font-size-xl: 1.4rem;--bp-font-size-2xl: 1.8rem;--bp-grid-size: 24px;--bp-grid-color: rgba(26, 111, 196, .05);--bp-grid-color-major: rgba(26, 111, 196, .1);--bp-shadow-sm: 0 1px 3px rgba(0,0,0,.06);--bp-shadow-md: 0 2px 8px rgba(0,0,0,.08);--bp-shadow-lg: 0 4px 16px rgba(0,0,0,.1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;width:100%}body{font-family:var(--bp-font-sans);font-size:var(--bp-font-size-md);color:var(--bp-text);background:var(--bp-bg-deep);-webkit-font-smoothing:antialiased}.bp-grid-bg{background-color:var(--bp-bg-deep);background-image:linear-gradient(var(--bp-grid-color) 1px,transparent 1px),linear-gradient(90deg,var(--bp-grid-color) 1px,transparent 1px),linear-gradient(var(--bp-grid-color-major) 1px,transparent 1px),linear-gradient(90deg,var(--bp-grid-color-major) 1px,transparent 1px);background-size:var(--bp-grid-size) var(--bp-grid-size),var(--bp-grid-size) 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var(--bp-border);background:var(--bp-bg);display:flex;flex-direction:column;overflow:hidden;margin-left:16px;border-radius:var(--bp-radius-lg);box-shadow:var(--bp-shadow-md);position:relative}.pm-resize-handle{position:absolute;top:0;left:-4px;width:8px;height:100%;cursor:col-resize;z-index:10;background:transparent;transition:background .15s}.pm-resize-handle:hover,.pm-resize-handle:active{background:var(--bp-accent);opacity:.4}.piece-manager-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:2px solid var(--bp-border);background:var(--bp-bg-elevated)}.piece-manager-title{font-size:var(--bp-font-size-sm);font-weight:700;color:var(--bp-text-heading);text-transform:uppercase;letter-spacing:.5px}.piece-manager-tree{flex:1;overflow-y:auto;padding:8px 0}.pm-tree-item{display:flex;align-items:center;gap:6px;padding:6px 12px;font-size:var(--bp-font-size-sm)}.pm-tree-root{font-weight:700;color:var(--bp-text-heading);padding-bottom:8px;border-bottom:1px solid var(--bp-border);margin-bottom:4px}.pm-tree-material{padding-left:20px;font-weight:600;color:var(--bp-text-bright)}.pm-tree-material:hover{background:var(--bp-accent-dim)}.pm-tree-icon{font-size:10px;color:var(--bp-accent)}.pm-tree-toggle{width:12px;font-size:12px;color:var(--bp-text-muted)}.pm-tree-label{flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pm-tree-count{font-size:var(--bp-font-size-xs);color:var(--bp-text-muted);background:var(--bp-bg-elevated);padding:1px 6px;border-radius:99px;border:1px solid var(--bp-border)}.pm-piece-table-wrap{overflow-x:auto;margin:4px 0 8px;padding:0 8px}.pm-piece-table{width:100%;border-collapse:collapse;font-size:var(--bp-font-size-xs)}.pm-piece-table th{text-align:center;padding:4px 3px;color:var(--bp-text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.3px;font-size:9px;border-bottom:1px solid var(--bp-border);white-space:nowrap}.pm-piece-table td{text-align:center;padding:4px 3px;border-bottom:1px solid rgba(208,219,232,.5);vertical-align:middle}.pm-piece-table tr:hover td{background:var(--bp-accent-dim)}.pm-cell-img{padding:2px!important}.pm-cell-name{text-align:left!important;font-weight:500;color:var(--bp-text-bright);max-width:80px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pm-num-input{width:40px;padding:2px 4px;font-size:var(--bp-font-size-xs);font-family:var(--bp-font);text-align:center;border:1px solid var(--bp-border);border-radius:3px;background:var(--bp-bg);color:var(--bp-text)}.pm-num-input:focus{outline:none;border-color:var(--bp-accent);box-shadow:0 0 0 2px var(--bp-accent-dim)}.pm-empty{padding:8px 28px;font-size:var(--bp-font-size-xs);color:var(--bp-text-muted);font-style:italic}.pm-row-selected td{background:var(--bp-accent-dim)!important}.pm-bulk-bar{padding:10px 12px;border-bottom:1px solid var(--bp-border);background:linear-gradient(180deg,var(--bp-accent-dim),var(--bp-bg-elevated))}.pm-bulk-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.pm-bulk-item{display:flex;align-items:center;gap:4px;font-size:var(--bp-font-size-xs);color:var(--bp-text);cursor:pointer}.pm-bulk-item span{white-space:nowrap}.layer-legend{display:flex;gap:12px;flex-wrap:wrap;padding:8px 0;font-size:var(--bp-font-size-xs)}.layer-legend-item{display:flex;align-items:center;gap:4px}.layer-legend-swatch{width:16px;height:3px;border-radius:1px}.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(var(--bp-grid-color) 1px,transparent 1px),linear-gradient(90deg,var(--bp-grid-color) 1px,transparent 1px),var(--bp-bg-deep);background-size:var(--bp-grid-size) var(--bp-grid-size);padding:24px}.auth-card{width:100%;max-width:400px;background:var(--bp-bg-surface);border:1px solid var(--bp-border);border-radius:var(--bp-radius-lg);padding:40px 36px 32px;box-shadow:var(--bp-shadow-lg)}.auth-logo{font-family:var(--bp-font);font-size:var(--bp-font-size-2xl);font-weight:700;color:var(--bp-text-heading);text-align:center;letter-spacing:-.5px}.auth-logo span{color:var(--bp-accent)}.auth-subtitle{text-align:center;color:var(--bp-text-muted);font-size:var(--bp-font-size-sm);margin:4px 0 28px;letter-spacing:.5px;text-transform:uppercase}.auth-error{background:var(--bp-error-bg);color:var(--bp-error);border:1px solid rgba(220,38,38,.2);border-radius:var(--bp-radius);padding:10px 14px;font-size:var(--bp-font-size-sm);margin-bottom:20px}.auth-success{text-align:center;padding:20px 0;color:var(--bp-text);font-size:var(--bp-font-size-sm)}.auth-success p{margin-bottom:16px;color:var(--bp-success)}.auth-tabs{display:flex;border:1px solid var(--bp-border);border-radius:var(--bp-radius);overflow:hidden;margin-bottom:24px}.auth-tab{flex:1;padding:8px;border:none;background:var(--bp-bg-elevated);color:var(--bp-text-muted);font-family:var(--bp-font-sans);font-size:var(--bp-font-size-sm);cursor:pointer;transition:all .15s ease}.auth-tab:not(:last-child){border-right:1px solid var(--bp-border)}.auth-tab.active{background:var(--bp-accent);color:#fff;font-weight:600}.auth-tab:not(.active):hover{background:var(--bp-accent-dim);color:var(--bp-text)}.auth-card .bp-form-group{margin-bottom:16px}.auth-card .bp-form-label{font-size:var(--bp-font-size-sm);font-weight:600;margin-bottom:6px}.auth-card .bp-form-input{width:100%;padding:10px 12px;font-size:var(--bp-font-size-md)}.auth-submit{width:100%;padding:11px;margin-top:8px;font-size:var(--bp-font-size-md);font-weight:600;letter-spacing:.3px}.auth-section-label{font-family:var(--bp-font);font-size:var(--bp-font-size-xs);color:var(--bp-text-muted);text-transform:uppercase;letter-spacing:1.5px;margin-bottom:12px;padding-bottom:6px;border-bottom:1px solid var(--bp-border)}.auth-input-error{border-color:var(--bp-error)!important}.auth-footer{text-align:center;margin-top:24px;padding-top:20px;border-top:1px solid var(--bp-border);font-size:var(--bp-font-size-sm);color:var(--bp-text-muted);display:flex;align-items:center;justify-content:center;gap:8px}.auth-link{color:var(--bp-accent);text-decoration:none;font-weight:600}.auth-link:hover{text-decoration:underline}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bp-bg-deep)}::-webkit-scrollbar-thumb{background:var(--bp-border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--bp-border-light)}