Type Hierarchy

Every style renders this same screen, so the only thing changing between two of them is the style. The component above is the file below, running.

Design this interface in the Type Hierarchy style. There are no cards, borders or fills — only type at different sizes and weights, separated by space. Everything a container would do is done by rhythm.

Build every surface the Bare way: There is no surface at all — no fill, no line, no tint. Size, weight and distance are the only tools left.

Use exactly these values: background #ffffff, surfaces #ffffff, text #131313, secondary text #5a5a5a, accent #1b4dc1 with #ffffff on it; corner radius 0/0/0px; no borders and no separators at all; no shadows of any kind; Helvetica Neue for body at 15px, line height 1.5; 8px spacing grid, regular spacing.

Never: cards, borders or fills; background tints; shadows; icon decoration.

Dark mode uses background #0a0a0a, surfaces #0a0a0a, text #f4f4f4, accent #82a6ff — the same style, not an inverted one.

The numbers in this prompt are printed from the tokens below, so it cannot drift from what the specimen renders.

Measured contrast — body 18.58:1 light, 18:1 dark; secondary text 6.9:1 and 7.12:1. Every pair clears WCAG AA in both themes, checked on each build.

import type { CSSProperties } from "react";

/**
 * Vibary · Type Hierarchy
 *
 * No surfaces at all. Size, weight and space are the only structure.
 *
 * One complete product screen, rendered from the token object below —
 * the same screen every other Vibary specimen renders, so the style
 * is the only variable. Self-contained: React only, no CSS file, no
 * assets, no chart library.
 *
 * `theme` defaults to following the system setting; pass "light" or
 * "dark" to pin one.
 */

export const TOKENS = {
  "material": "bare",
  "color": {
    "light": {
      "bg": "#ffffff",
      "surface": "#ffffff",
      "border": "#eaeaea",
      "text": "#131313",
      "muted": "#5a5a5a",
      "accent": "#1b4dc1",
      "accentText": "#ffffff"
    },
    "dark": {
      "bg": "#0a0a0a",
      "surface": "#0a0a0a",
      "border": "#232323",
      "text": "#f4f4f4",
      "muted": "#9b9b9b",
      "accent": "#82a6ff",
      "accentText": "#050c22"
    }
  },
  "radius": {
    "sm": 0,
    "md": 0,
    "lg": 0,
    "pill": 999
  },
  "border": {
    "width": 0,
    "style": "none"
  },
  "shadow": {
    "level": "none",
    "value": "none"
  },
  "type": {
    "family": {
      "display": "\"Helvetica Neue\", Helvetica, Arial, \"Liberation Sans\", sans-serif",
      "body": "\"Helvetica Neue\", Helvetica, Arial, \"Liberation Sans\", sans-serif",
      "mono": "ui-monospace, \"SF Mono\", Menlo, Consolas, \"Liberation Mono\", monospace"
    },
    "scale": [
      11,
      13,
      15,
      18,
      26,
      40
    ],
    "weight": {
      "body": 400,
      "strong": 700,
      "display": 700
    },
    "lineHeight": 1.5,
    "tracking": -0.02
  },
  "space": {
    "unit": 8,
    "density": "regular"
  },
  "effects": {
    "surface": "flat",
    "accentStyle": "underline",
    "separator": "none",
    "labelCase": "none",
    "blur": 0
  }
};

type Palette = typeof TOKENS.color.light;

export type TypeHierarchySpecimenProps = {
  theme?: "system" | "light" | "dark";
  /** Scopes the custom properties; only matters if you render two. */
  scope?: string;
};

function vars(palette: Palette): string {
  return [
    `--sp-bg: ${palette.bg}`,
    `--sp-surface: ${palette.surface}`,
    `--sp-border: ${palette.border}`,
    `--sp-text: ${palette.text}`,
    `--sp-muted: ${palette.muted}`,
    `--sp-accent: ${palette.accent}`,
    `--sp-accent-text: ${palette.accentText}`,
  ].join("; ");
}

/** Fixed content: identical in every specimen, on purpose. */
const NAV: readonly { label: string; path: string }[] = [
  { label: "Overview", path: "M3 9.5 9 4.5l6 5V15a1 1 0 0 1-1 1h-2.5v-4h-5v4H4a1 1 0 0 1-1-1z" },
  { label: "Orders", path: "M4 5h10l-1 9H5zM7 5V3.5h4V5" },
  { label: "Customers", path: "M9 9a2.6 2.6 0 1 0 0-5.2A2.6 2.6 0 0 0 9 9M3.6 15.4c0-2.4 2.4-3.8 5.4-3.8s5.4 1.4 5.4 3.8" },
  { label: "Reports", path: "M4.5 15V8M9 15V4.5M13.5 15v-4.5" },
  { label: "Settings", path: "M9 11.4A2.4 2.4 0 1 0 9 6.6a2.4 2.4 0 0 0 0 4.8M9 2.6v1.4M9 14v1.4M15.4 9H14M4 9H2.6M13.5 4.5l-1 1M5.5 12.5l-1 1M13.5 13.5l-1-1M5.5 5.5l-1-1" },
];

const STATS: readonly { label: string; value: string; delta: string; up: boolean }[] = [
  { label: "Revenue", value: "$48,290", delta: "+12.4%", up: true },
  { label: "Orders", value: "1,284", delta: "+3.1%", up: true },
  { label: "Refunds", value: "42", delta: "-1.8%", up: false },
];

const BARS: readonly { day: string; value: number }[] = [
  { day: "M", value: 0.42 },
  { day: "T", value: 0.61 },
  { day: "W", value: 0.38 },
  { day: "T", value: 0.74 },
  { day: "F", value: 0.93 },
  { day: "S", value: 0.55 },
  { day: "S", value: 0.29 },
];

const ROWS: readonly { name: string; meta: string; state: string; amount: string }[] = [
  { name: "Kyoto Print Co.", meta: "Invoice 2841", state: "Paid", amount: "420.00" },
  { name: "Aurora Supply", meta: "Invoice 2839", state: "Pending", amount: "186.50" },
  { name: "Northwind Studio", meta: "Invoice 2836", state: "Overdue", amount: "678.00" },
];

const SWITCHES: readonly { label: string; on: boolean }[] = [
  { label: "Auto-pay invoices", on: true },
  { label: "Email receipts", on: false },
];

/**
 * The material: how this style paints an element, as opposed to what
 * color it paints it. This is the part that makes Bare
 * a different design language rather than a different theme —
 * There is no surface at all — no fill, no line, no tint. Size, weight and distance are the only tools left.
 */
const MATERIAL = {
  "surface": {
    "background": "transparent",
    "boxShadow": "none",
    "border": "none"
  },
  "button": {
    "background": "transparent",
    "color": "var(--sp-accent)",
    "boxShadow": "none",
    "border": "none",
    "borderBottom": "2px solid var(--sp-accent)"
  },
  "switchOn": {
    "background": "var(--sp-accent)",
    "boxShadow": "none",
    "border": "none"
  },
  "switchOff": {
    "background": "color-mix(in srgb, var(--sp-text) 20%, transparent)",
    "boxShadow": "none",
    "border": "none"
  },
  "knob": {
    "background": "var(--sp-bg)",
    "boxShadow": "none"
  },
  "navActive": {
    "background": "transparent",
    "boxShadow": "none"
  },
  "bar": {
    "background": "var(--sp-accent)",
    "boxShadow": "none",
    "border": "none"
  }
};

const SURFACE_BORDER = "none";
const ROW_SEPARATOR = "none";
const RING = 0.68;

export function TypeHierarchySpecimen({ theme = "system", scope = "sp-type-hierarchy" }: TypeHierarchySpecimenProps) {
  const css =
    theme === "light"
      ? `.${scope}{${vars(TOKENS.color.light)}}`
      : theme === "dark"
        ? `.${scope}{${vars(TOKENS.color.dark)}}`
        : `.${scope}{${vars(TOKENS.color.light)}}@media(prefers-color-scheme:dark){.${scope}{${vars(TOKENS.color.dark)}}}`;

  const label: CSSProperties = {
    font: `${TOKENS.type.weight.strong} ${TOKENS.type.scale[0]}px ${TOKENS.type.family.body}`,
    letterSpacing: `${TOKENS.type.tracking}em`,
    textTransform: "none",
    color: "var(--sp-muted)",
  };

  const meta: CSSProperties = {
    font: `${TOKENS.type.weight.body} ${TOKENS.type.scale[0]}px ${TOKENS.type.family.body}`,
    color: "var(--sp-muted)",
  };

  const card: CSSProperties = {
    ...MATERIAL.surface,
    borderRadius: TOKENS.radius.md,
    padding: 15,
  };

  const heading: CSSProperties = {
    font: `${TOKENS.type.weight.strong} ${TOKENS.type.scale[2]}px ${TOKENS.type.family.display}`,
    textTransform: "none",
    letterSpacing: "0",
  };

  const primary: CSSProperties = { ...MATERIAL.button, borderRadius: TOKENS.radius.sm };

  const pill = (active: boolean): CSSProperties => ({
    padding: "2px 8px",
    borderRadius: TOKENS.radius.pill,
    background: active
      ? "var(--sp-accent)"
      : "color-mix(in srgb, var(--sp-text) 10%, transparent)",
    color: active ? "var(--sp-accent-text)" : "var(--sp-muted)",
    font: `${TOKENS.type.weight.strong} ${TOKENS.type.scale[0]}px ${TOKENS.type.family.body}`,
    textTransform: "none",
    letterSpacing: "0",
  });

  return (
    <div
      className={scope}
      style={{
        width: 760,
        display: "flex",
        background: "var(--sp-bg)",
        color: "var(--sp-text)",
        font: `${TOKENS.type.weight.body} ${TOKENS.type.scale[1]}px/${TOKENS.type.lineHeight} ${TOKENS.type.family.body}`,
        letterSpacing: `${TOKENS.type.tracking}em`,
        overflow: "hidden",
        position: "relative",
      }}
    >
      <style>{css}</style>

      {/* Sidebar */}
      <div
        style={{
          width: 176,
          flex: "none",
          display: "flex",
          flexDirection: "column",
          gap: 4,
          padding: 18,
          borderRight: "1px solid var(--sp-border)",
          background: "color-mix(in srgb, var(--sp-surface) 70%, transparent)",
        }}
      >
        <div style={{ display: "flex", alignItems: "center", gap: 8, marginBottom: 14 }}>
          <span
            style={{
              width: 22,
              height: 22,
              borderRadius: TOKENS.radius.sm,
              background: "var(--sp-accent)",
              display: "grid",
              placeItems: "center",
              color: "var(--sp-accent-text)",
              font: `${TOKENS.type.weight.display} ${TOKENS.type.scale[0]}px ${TOKENS.type.family.display}`,
            }}
          >
            N
          </span>
          <span
            style={{
              font: `${TOKENS.type.weight.display} ${TOKENS.type.scale[2]}px ${TOKENS.type.family.display}`,
              textTransform: "none",
              letterSpacing: "0",
            }}
          >
            Northwind
          </span>
        </div>

        {NAV.map((item, index) => (
          <span
            key={item.label}
            style={{
              display: "flex",
              alignItems: "center",
              gap: 9,
              height: 34,
              padding: "0 9px",
              borderRadius: TOKENS.radius.sm,
              ...(index === 0 ? MATERIAL.navActive : null),
              color: index === 0 ? "var(--sp-accent)" : "var(--sp-muted)",
              font: `${index === 0 ? TOKENS.type.weight.strong : TOKENS.type.weight.body} ${TOKENS.type.scale[1]}px ${TOKENS.type.family.body}`,
              textTransform: "none",
              letterSpacing: "0",
            }}
          >
            <svg width="17" height="17" viewBox="0 0 18 18" fill="none" aria-hidden="true">
              <path
                d={item.path}
                stroke="currentColor"
                strokeWidth={index === 0 ? 1.7 : 1.3}
                strokeLinecap="round"
                strokeLinejoin="round"
              />
            </svg>
            {item.label}
          </span>
        ))}

        <span style={{ flex: 1 }} />

        <span
          style={{
            display: "flex",
            alignItems: "center",
            gap: 8,
            paddingTop: 14,
            borderTop: "1px solid var(--sp-border)",
          }}
        >
          <span
            style={{
              width: 26,
              height: 26,
              flex: "none",
              display: "grid",
              placeItems: "center",
              borderRadius: TOKENS.radius.pill,
              background: "color-mix(in srgb, var(--sp-text) 12%, transparent)",
              font: `${TOKENS.type.weight.strong} ${TOKENS.type.scale[0]}px ${TOKENS.type.family.body}`,
            }}
          >
            MK
          </span>
          <span style={{ minWidth: 0 }}>
            <span style={{ display: "block", font: `${TOKENS.type.weight.strong} ${TOKENS.type.scale[0]}px ${TOKENS.type.family.body}` }}>
              Mika Ito
            </span>
            <span style={{ ...meta, display: "block" }}>Finance</span>
          </span>
        </span>
      </div>

      {/* Main */}
      <div
        style={{
          flex: 1,
          minWidth: 0,
          display: "flex",
          flexDirection: "column",
          gap: 14,
          padding: 18,
        }}
      >
        {/* Header */}
        <div style={{ display: "flex", alignItems: "center", gap: 10 }}>
          <span style={{ flex: 1, minWidth: 0 }}>
            <span style={{ ...label, display: "block" }}>March 2026</span>
            <span
              style={{
                display: "block",
                font: `${TOKENS.type.weight.display} ${TOKENS.type.scale[4]}px ${TOKENS.type.family.display}`,
                textTransform: "none",
                letterSpacing: `${TOKENS.type.tracking}em`,
              }}
            >
              Overview
            </span>
          </span>
          <span
            style={{
              display: "flex",
              alignItems: "center",
              gap: 7,
              padding: "7px 11px",
              background: "var(--sp-surface)",
              border: "1px solid var(--sp-border)",
              borderRadius: TOKENS.radius.sm,
              color: "var(--sp-muted)",
              font: `${TOKENS.type.weight.body} ${TOKENS.type.scale[0]}px ${TOKENS.type.family.body}`,
            }}
          >
            <svg width="13" height="13" viewBox="0 0 18 18" fill="none" aria-hidden="true">
              <circle cx="8" cy="8" r="5.4" stroke="currentColor" strokeWidth="1.5" />
              <path d="M12.4 12.4 16 16" stroke="currentColor" strokeWidth="1.5" strokeLinecap="round" />
            </svg>
            Search
          </span>
          <span
            style={{
              ...primary,
              padding: "8px 13px",
              font: `${TOKENS.type.weight.strong} ${TOKENS.type.scale[0]}px ${TOKENS.type.family.body}`,
              textTransform: "none",
              letterSpacing: "0",
            }}
          >
            New report
          </span>
        </div>

        {/* Stats */}
        <div style={{ display: "flex", gap: 14 }}>
          {STATS.map((stat) => (
            <div key={stat.label} style={{ ...card, flex: 1, minWidth: 0 }}>
              <span style={{ ...label, display: "block" }}>{stat.label}</span>
              <span
                style={{
                  display: "block",
                  marginTop: 3,
                  fontVariantNumeric: "tabular-nums",
                  font: `${TOKENS.type.weight.display} ${TOKENS.type.scale[4]}px ${TOKENS.type.family.display}`,
                }}
              >
                {stat.value}
              </span>
              <span style={{ display: "inline-flex", marginTop: 6, ...pill(stat.up) }}>
                {stat.delta}
              </span>
            </div>
          ))}
        </div>

        {/* Chart + ring */}
        <div style={{ display: "flex", gap: 14 }}>
          <div style={{ ...card, flex: 1.6, minWidth: 0 }}>
            <div style={{ display: "flex", alignItems: "baseline", justifyContent: "space-between" }}>
              <span style={heading}>Revenue by day</span>
              <span style={meta}>7 days</span>
            </div>
            <div
              style={{
                display: "flex",
                alignItems: "flex-end",
                gap: 7,
                height: 92,
                marginTop: 10,
              }}
            >
              {BARS.map((bar, index) => (
                <span key={index} style={{ flex: 1, display: "flex", flexDirection: "column", alignItems: "center", gap: 5 }}>
                  <span
                    style={{
                      width: "100%",
                      height: bar.value * 74,
                      borderRadius: `${TOKENS.radius.sm}px ${TOKENS.radius.sm}px 0 0`,
                      ...(index === 4
                        ? MATERIAL.bar
                        : {
                            background: "color-mix(in srgb, var(--sp-accent) 32%, var(--sp-surface))",
                            border: SURFACE_BORDER,
                          }),
                    }}
                  />
                  <span style={meta}>{bar.day}</span>
                </span>
              ))}
            </div>
          </div>

          <div style={{ ...card, flex: 1, minWidth: 0, display: "flex", alignItems: "center", gap: 12 }}>
            <span
              style={{
                width: 74,
                height: 74,
                flex: "none",
                borderRadius: TOKENS.radius.pill,
                display: "grid",
                placeItems: "center",
                background: `conic-gradient(var(--sp-accent) 0turn ${RING}turn, color-mix(in srgb, var(--sp-text) 12%, transparent) ${RING}turn 1turn)`,
              }}
            >
              <span
                style={{
                  width: 52,
                  height: 52,
                  borderRadius: TOKENS.radius.pill,
                  background: "var(--sp-surface)",
                  display: "grid",
                  placeItems: "center",
                  fontVariantNumeric: "tabular-nums",
                  font: `${TOKENS.type.weight.strong} ${TOKENS.type.scale[2]}px ${TOKENS.type.family.mono}`,
                }}
              >
                68%
              </span>
            </span>
            <span style={{ minWidth: 0 }}>
              <span style={{ ...heading, display: "block" }}>Budget</span>
              <span style={{ ...meta, display: "block", marginTop: 4 }}>Spent $34,120</span>
              <span style={{ ...meta, display: "block" }}>Left $16,170</span>
            </span>
          </div>
        </div>

        {/* Table + controls */}
        <div style={{ display: "flex", gap: 14 }}>
          <div style={{ ...card, flex: 1.6, minWidth: 0, padding: 0, overflow: "hidden" }}>
            <div
              style={{
                display: "flex",
                alignItems: "center",
                justifyContent: "space-between",
                padding: `${15}px ${15}px 8px`,
              }}
            >
              <span style={heading}>Recent orders</span>
              <span style={{ color: "var(--sp-accent)", font: `${TOKENS.type.weight.strong} ${TOKENS.type.scale[0]}px ${TOKENS.type.family.body}` }}>
                View all
              </span>
            </div>
            {ROWS.map((row, index) => (
              <div
                key={row.name}
                style={{
                  display: "flex",
                  alignItems: "center",
                  gap: 10,
                  height: 44,
                  padding: `0 ${15}px`,
                  borderTop: ROW_SEPARATOR,
                }}
              >
                <span
                  style={{
                    width: 24,
                    height: 24,
                    flex: "none",
                    display: "grid",
                    placeItems: "center",
                    borderRadius: TOKENS.radius.sm,
                    background: "color-mix(in srgb, var(--sp-text) 9%, transparent)",
                    font: `${TOKENS.type.weight.strong} ${TOKENS.type.scale[0]}px ${TOKENS.type.family.mono}`,
                  }}
                >
                  {row.name.slice(0, 1)}
                </span>
                <span style={{ flex: 1, minWidth: 0 }}>
                  <span style={{ display: "block", font: `${TOKENS.type.weight.strong} ${TOKENS.type.scale[1]}px ${TOKENS.type.family.body}` }}>
                    {row.name}
                  </span>
                  <span style={{ ...meta, display: "block" }}>{row.meta}</span>
                </span>
                <span style={pill(index === 0)}>{row.state}</span>
                <span
                  style={{
                    width: 66,
                    textAlign: "right",
                    fontVariantNumeric: "tabular-nums",
                    font: `${TOKENS.type.weight.strong} ${TOKENS.type.scale[1]}px ${TOKENS.type.family.mono}`,
                  }}
                >
                  {row.amount}
                </span>
              </div>
            ))}
          </div>

          <div style={{ ...card, flex: 1, minWidth: 0, display: "flex", flexDirection: "column", gap: 10 }}>
            <span style={heading}>Preferences</span>
            {SWITCHES.map((item) => (
              <span key={item.label} style={{ display: "flex", alignItems: "center", gap: 10 }}>
                <span style={{ flex: 1, minWidth: 0, font: `${TOKENS.type.weight.body} ${TOKENS.type.scale[0]}px ${TOKENS.type.family.body}` }}>
                  {item.label}
                </span>
                <span
                  style={{
                    width: 34,
                    height: 20,
                    flex: "none",
                    position: "relative",
                    borderRadius: TOKENS.radius.pill,
                    ...(item.on ? MATERIAL.switchOn : MATERIAL.switchOff),
                  }}
                >
                  <span
                    style={{
                      position: "absolute",
                      top: 3,
                      left: item.on ? 17 : 3,
                      width: 14,
                      height: 14,
                      borderRadius: TOKENS.radius.pill,
                      ...MATERIAL.knob,
                    }}
                  />
                </span>
              </span>
            ))}
            <span style={{ marginTop: 2 }}>
              <span style={{ display: "flex", justifyContent: "space-between" }}>
                <span style={meta}>Alert threshold</span>
                <span style={{ ...meta, fontVariantNumeric: "tabular-nums" }}>62%</span>
              </span>
              <span
                style={{
                  display: "block",
                  position: "relative",
                  height: 5,
                  marginTop: 7,
                  borderRadius: TOKENS.radius.pill,
                  background: "color-mix(in srgb, var(--sp-text) 14%, transparent)",
                }}
              >
                <span
                  style={{
                    position: "absolute",
                    inset: "0 38% 0 0",
                    borderRadius: TOKENS.radius.pill,
                    background: "var(--sp-accent)",
                  }}
                />
                <span
                  style={{
                    position: "absolute",
                    top: -5,
                    left: "62%",
                    width: 15,
                    height: 15,
                    marginLeft: -7,
                    borderRadius: TOKENS.radius.pill,
                    background: "var(--sp-surface)",
                    border: `2px solid var(--sp-accent)`,
                  }}
                />
              </span>
            </span>
          </div>
        </div>
      </div>
    </div>
  );
}

export default TypeHierarchySpecimen;