:root{--color-bg-primary: #F5F4EE;--color-bg-secondary: #EFEDE3;--color-bg-surface: #FFFFFF;--color-bg-hover: #EBE8DC;--color-bg-active: #E0DCCC;--color-border: #E5E2D8;--color-border-light: #EFEDE3;--color-border-strong: #D4D0C2;--color-text-primary: #1F1E1D;--color-text-secondary: #5C5B57;--color-text-muted: #8A8881;--color-accent: #C96342;--color-accent-hover: #B85530;--color-accent-soft: rgba(201, 99, 66, .1);--color-accent-muted: rgba(201, 99, 66, .14);--color-success: #6F8A60;--color-warning: #C9962E;--color-danger: #B84A3F;--color-info: #5B7DA8;--tag-floor: #6F8A60;--tag-wall: #5B7DA8;--tag-obstacle: #B84A3F;--tag-surface: #C9962E;--tag-target: #8A6FA8;--sidebar-width: 260px;--header-height: 0px;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 10px;--transition-fast: .12s ease;--transition-normal: .2s ease;--shadow-card: 0 1px 2px rgba(31, 30, 29, .04);--shadow-elevated: 0 8px 24px rgba(31, 30, 29, .06);--shadow-modal: 0 24px 80px rgba(31, 30, 29, .18);--font-sans: "Inter", 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