Design a light-mode web interface screen: deep midnight navigation anchoring luminous porcelain cards punctuated by electric cobalt milestones.
LAYOUT
The page utilizes an asymmetrical two-column framework: a fixed ~240px dark navy sidebar on the left and a fluid dashboard canvas on the right. The canvas begins with a top utility bar housing page headers on the left and search/calendar filters on the right. Below, a 12-column responsive grid breaks into an 8:4 top row for primary chart and activity lists, followed by a 6:6 metric row, and finishes with a three-card status row.
PALETTE (use these exact hex values)
- #131c2d — Midnight Sidebar: Background for the persistent vertical left-hand navigation bar and branding area.
- #f5f7fb — Canvas Ice: Primary light workspace background underlying all content cards and top navigation.
- #ffffff — Surface White: Base fill for dashboard modular panels, search input, and filter controls.
- #1665f5 — Electric Cobalt: Primary interactive accent for active sidebar tabs, key metric cards, line strokes, and tooltips.
- #10b981 — Success Emerald: Indicator fill for positive rate tags, completed progress bars, and active user badges.
- #0f172a — Charcoal Slate: High-contrast text color for page titles, card headers, and primary KPI figures.
- #94a3b8 — Subdued Gray: Secondary labels, inactive navigation links, axis markings, and subtle card metadata.
- #ede9fe — Soft Lavender Tint: Background circle fill for user avatars and circular icon badges.
TYPOGRAPHY
Typeface Plus Jakarta Sans (or Inter, DM Sans, Public Sans), weights 400/500/600/700. Sizes 11px caption, 12px body-sm, 14px body, 16px subheading, 20px heading, 28px display. Tracking -0.02em on headings, 0 on body. The voice is analytical, precise, and approachable, conveyed through clean neo-grotesque proportions. Plus Jakarta Sans provides crisp legibility at 11px micro-labels while remaining sturdy and modern in 28px KPI totals. If substituted with Inter or Public Sans, ensure tracking at display sizes is kept tight (-0.02em) to maintain compact authority.
GEOMETRY & SPACING
Corner radii — cards 16px, links 8px, inputs 12px, buttons 10px. Spacing on a 8px unit, 20px gaps, 24px between sections, 1440px container, comfortable density.
DEPTH
Depth is rendered flat-to-atmospheric rather than heavily layered. The white cards use an imperceptible multi-stop drop shadow (0 4px 20px rgba(0,0,0,0.03)) to separate them from the #f5f7fb canvas. Floating elements like the chart tooltip leverage solid blue with tiny drop shadows to hover decisively over the chart data.
IMAGERY
Imagery is virtually absent, replaced by abstract iconography enclosed in soft pastel circular backgrounds and clean line charts. Avatars are strictly text initials inside softly tinted monochrome circles (mint, lavender, amber, periwinkle). Avoid realistic photographic cutouts or hyper-detailed 3D illustrations.
SIGNATURE DETAIL — the thing that makes this design itself
The standout signature is the asymmetric 'hero card inversion'—placing a single fully saturated electric blue card alongside two neutral white cards in the bottom tier. This immediately commands user attention to terminal project completion while breaking the monotony of the white card grid. Misusing it across multiple neighboring cards completely degrades its focal utility.
MUST
- Anchor primary dashboard sections using white (#ffffff) cards on top of pale slate (#f5f7fb).
- Reserve the saturated electric blue (#1665f5) exclusively for primary interactions, active tabs, and key focus milestones.
- Use pastel fills with low opacity for circular avatar badges to keep list views calm.
- Maintain uniform 16px border radii on all content panels for visual cohesion.
AVOID
- Do not introduce secondary brand colors into the dark sidebar beyond the designated electric blue.
- Never use sharp 0px or square corners; everything adheres to a minimum 8px to 16px radius.
- Avoid heavy dark borders on cards; depth must be rendered via delicate background contrast and soft shadows.
- Do not clutter metric cards with multi-colored line graphs; stick to single-hue blue progressions.
OUTPUT
Render as a clean, pixel-crisp UI design at roughly 3120:2656. Flat vector rendering, real legible text, no browser chrome, no device mockup frame, no watermark, no lorem ipsum placeholder blocks. 在 DraPub 中尝试 
