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46 changes: 46 additions & 0 deletions docs/design-tokens/README.md
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# Design Tokens

*Anexo técnico da proposta de [identidade visual](../identidade-visual.md) (v0.1, aguardando decisão do grupo). Camadas primitiva e semântica da fundação; a camada de componente nasce na Fase 4, junto das primeiras telas.*

## Arquivos

| Arquivo | Papel |
| :--- | :--- |
| [`tokens.json`](./tokens.json) | **Fonte da verdade.** Formato [W3C Design Tokens](https://design-tokens.github.io/community-group/format/) — padrão neutro, legível por qualquer ferramenta, sem apostar na biblioteca de estilos que o time de front escolherá ([decisão 0009](../decisions/0009-react-e-vite-no-front-end.md)). |
| [`tokens.css`](./tokens.css) | CSS custom properties (`--oc-*`) geradas a partir do JSON. É o que uma página ou app consome diretamente. |

Edite **sempre o JSON**; o CSS é derivado. Nomes de token em inglês, seguindo a convenção do repositório.

## Como consumir

```css
@import "tokens.css";

.button-primary {
background: var(--oc-action-primary);
color: var(--oc-action-on-primary);
border-radius: var(--oc-radius-md);
font: var(--oc-font-weight-semibold) var(--oc-font-size-md) var(--oc-font-sans);
transition: background var(--oc-duration-fast) var(--oc-easing-linear);
}
.button-primary:hover { background: var(--oc-action-primary-hover); }
```

Regra de consumo: **componente usa token semântico** (`--oc-text-accent`), nunca primitivo (`--oc-teal-600`) — é a camada semântica que troca de valor entre temas.

## Temas

- `:root` sem marcação = tema claro.
- Escuro entra por `prefers-color-scheme: dark` (com guarda: `data-theme="light"` explícito vence o sistema) e por `data-theme="dark"` explícito.
- `prefers-reduced-motion: reduce` zera as durações de movimento — acessibilidade, não cortesia.

## Decisões codificadas (resumo)

- **Raio**: controles `8px`, cartões `12px`, chips/busca/avatares em pílula — centro de gravidade extraído de referências visuais fornecidas pelo fundador.
- **Sombra**: elevação por contraste de superfície + borda; sombra real (`--oc-shadow-overlay`) **só no que flutua** (menu, popover, diálogo).
- **Movimento**: dois ritmos — `100ms` para micro-interação de alta frequência, `160ms` para mudança espacial, teto de `220ms`.
- **Barra lateral escura nos dois temas** (`--oc-surface-rail`): assinatura estrutural extraída das referências.
- **Vermelho é exclusivo de perigo**; verde de marca não existe (verde pertence ao estado de sucesso).
- Fontes **Lexend** (interface) e **Atkinson Hyperlegible Mono** (código/identificadores), ambas SIL OFL, **empacotadas com a aplicação** — sem CDN.

O porquê de cada escolha, com as alternativas descartadas, vive em [`../identidade-visual.md`](../identidade-visual.md).
260 changes: 260 additions & 0 deletions docs/design-tokens/tokens.css
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/**
* OpenClinic design tokens — generated from tokens.json (source of truth).
* Do not edit values here; edit tokens.json and regenerate.
*
* Themes: bare :root = light. Dark applies via prefers-color-scheme
* (guarded so an explicit data-theme="light" wins) and via data-theme="dark".
* Reduced motion: durations collapse to 0 for users who disable animation.
*/

:root {
/* ---- Primitives: color ---- */
--oc-neutral-0: #FFFFFF;
--oc-neutral-50: #F6FAFA; /* calm paper — never pure white */
--oc-neutral-100: #E9F2F3;
--oc-neutral-150: #E4EDF0;
--oc-neutral-200: #D6E2E4;
--oc-neutral-300: #B9CCD1;
--oc-neutral-400: #93A8AF;
--oc-neutral-500: #52646B;
--oc-neutral-700: #263A42;
--oc-neutral-800: #1B2E35;
--oc-neutral-850: #16292F; /* ink */
--oc-neutral-900: #16262C;
--oc-neutral-950: #0F1D22; /* dark ground — never pure black */

--oc-teal-300: #7FBFD6;
--oc-teal-400: #55A5C2;
--oc-teal-600: #23768A; /* brand primary */
--oc-teal-700: #1B5D6E;

--oc-blue-100: #E8EEF7;
--oc-blue-400: #7AA3D8;
--oc-blue-500: #185795; /* logo blue — canonical (pixel-extracted) */
--oc-blue-600: #2C5F9E; /* support */
--oc-blue-900: #1E2C40;

--oc-green-100: #E5F2EC;
--oc-green-300: #8FD0AE;
--oc-green-400: #5DC289; /* logo green — canonical (pixel-extracted), decorative only */
--oc-green-600: #1E7A56;
--oc-green-900: #17352A;

--oc-amber-100: #FAF0DC;
--oc-amber-300: #E8C27A;
--oc-amber-700: #8F5F00;
--oc-amber-900: #3A2F1B;

--oc-red-100: #F9E9E7;
--oc-red-300: #E2A2A2;
--oc-red-600: #B42318; /* the ONLY red in the system */
--oc-red-900: #3A2222;

--oc-terracotta-100: #F5D3C8;
--oc-terracotta-300: #E8907A;
--oc-terracotta-500: #DE6A4E; /* warm accent — never small text on light */
--oc-terracotta-900: #3A2A26;

/* ---- Semantic: color (light) ---- */
--oc-surface-bg: var(--oc-neutral-50);
--oc-surface-card: var(--oc-neutral-0);
--oc-surface-sunken: var(--oc-neutral-100);
--oc-surface-rail: var(--oc-neutral-950); /* sidebar: dark in BOTH themes */
--oc-surface-on-rail: var(--oc-neutral-150);
--oc-surface-on-rail-muted: var(--oc-neutral-400);

--oc-border-default: var(--oc-neutral-200);
--oc-border-strong: var(--oc-neutral-300);

--oc-text-primary: var(--oc-neutral-850); /* continuous reading — AAA */
--oc-text-muted: var(--oc-neutral-500);
--oc-text-accent: var(--oc-teal-600);
--oc-text-link: var(--oc-blue-600);

--oc-action-primary: var(--oc-teal-600);
--oc-action-primary-hover: var(--oc-teal-700);
--oc-action-on-primary: var(--oc-neutral-0);

--oc-warm-accent: var(--oc-terracotta-500);
--oc-warm-tint: var(--oc-terracotta-100);

--oc-feedback-success: var(--oc-green-600);
--oc-feedback-success-tint: var(--oc-green-100);
--oc-feedback-warning: var(--oc-amber-700);
--oc-feedback-warning-tint: var(--oc-amber-100);
--oc-feedback-danger: var(--oc-red-600);
--oc-feedback-danger-tint: var(--oc-red-100);
--oc-feedback-info: var(--oc-blue-600);
--oc-feedback-info-tint: var(--oc-blue-100);

--oc-gradient-brand: linear-gradient(120deg, var(--oc-green-400), var(--oc-teal-600), var(--oc-blue-500));

/* ---- Typography ---- */
--oc-font-sans: "Lexend", system-ui, sans-serif;
--oc-font-mono: "Atkinson Hyperlegible Mono", ui-monospace, Consolas, monospace;

--oc-font-size-2xs: 11px;
--oc-font-size-xs: 12px;
--oc-font-size-sm: 13px;
--oc-font-size-md: 14px; /* UI default — dense product */
--oc-font-size-lg: 16px; /* continuous reading */
--oc-font-size-xl: 18px;
--oc-font-size-2xl: 22px;
--oc-font-size-3xl: 28px;
--oc-font-size-4xl: 36px;

--oc-font-weight-regular: 400;
--oc-font-weight-medium: 500;
--oc-font-weight-semibold: 600;
--oc-font-weight-bold: 700;

--oc-line-height-tight: 1.2;
--oc-line-height-snug: 1.4;
--oc-line-height-normal: 1.55;
--oc-line-height-relaxed: 1.65;

--oc-letter-spacing-caps: 0.08em;

/* ---- Spacing (4px base) ---- */
--oc-space-0: 0px;
--oc-space-1: 4px;
--oc-space-2: 8px;
--oc-space-3: 12px;
--oc-space-4: 16px;
--oc-space-5: 20px;
--oc-space-6: 24px;
--oc-space-8: 32px;
--oc-space-10: 40px;
--oc-space-12: 48px;
--oc-space-16: 64px;

/* ---- Radius (controls 8 / cards 12 / chips pill) ---- */
--oc-radius-xs: 4px;
--oc-radius-sm: 6px;
--oc-radius-md: 8px;
--oc-radius-lg: 12px;
--oc-radius-xl: 16px;
--oc-radius-full: 999px;

/* ---- Shadow (elevation = surface contrast + border; shadow only floats) ---- */
--oc-shadow-none: none;
--oc-shadow-raised: 0 1px 2px rgba(22, 41, 47, 0.06);
--oc-shadow-overlay: 0 8px 24px rgba(22, 41, 47, 0.16);

/* ---- Motion ---- */
--oc-duration-fast: 100ms;
--oc-duration-base: 160ms;
--oc-duration-slow: 220ms;
--oc-easing-standard: cubic-bezier(0.2, 0, 0, 1);
--oc-easing-linear: linear;
}

/* Dark theme via OS preference (explicit light choice wins) */
@media (prefers-color-scheme: dark) {
:root:not([data-theme="light"]) {
--oc-surface-bg: var(--oc-neutral-950);
--oc-surface-card: var(--oc-neutral-900);
--oc-surface-sunken: var(--oc-neutral-800);

--oc-border-default: var(--oc-neutral-700);
--oc-border-strong: var(--oc-neutral-500);

--oc-text-primary: var(--oc-neutral-150);
--oc-text-muted: var(--oc-neutral-400);
--oc-text-accent: var(--oc-teal-400);
--oc-text-link: var(--oc-blue-400);

--oc-warm-accent: var(--oc-terracotta-300);
--oc-warm-tint: var(--oc-terracotta-900);

--oc-feedback-success: var(--oc-green-300);
--oc-feedback-success-tint: var(--oc-green-900);
--oc-feedback-warning: var(--oc-amber-300);
--oc-feedback-warning-tint: var(--oc-amber-900);
--oc-feedback-danger: var(--oc-red-300);
--oc-feedback-danger-tint: var(--oc-red-900);
--oc-feedback-info: var(--oc-blue-400);
--oc-feedback-info-tint: var(--oc-blue-900);

--oc-shadow-raised: none; /* dark elevation is surface-only */
}
}

/* Dark theme via explicit choice */
:root[data-theme="dark"] {
--oc-surface-bg: var(--oc-neutral-950);
--oc-surface-card: var(--oc-neutral-900);
--oc-surface-sunken: var(--oc-neutral-800);

--oc-border-default: var(--oc-neutral-700);
--oc-border-strong: var(--oc-neutral-500);

--oc-text-primary: var(--oc-neutral-150);
--oc-text-muted: var(--oc-neutral-400);
--oc-text-accent: var(--oc-teal-400);
--oc-text-link: var(--oc-blue-400);

--oc-warm-accent: var(--oc-terracotta-300);
--oc-warm-tint: var(--oc-terracotta-900);

--oc-feedback-success: var(--oc-green-300);
--oc-feedback-success-tint: var(--oc-green-900);
--oc-feedback-warning: var(--oc-amber-300);
--oc-feedback-warning-tint: var(--oc-amber-900);
--oc-feedback-danger: var(--oc-red-300);
--oc-feedback-danger-tint: var(--oc-red-900);
--oc-feedback-info: var(--oc-blue-400);
--oc-feedback-info-tint: var(--oc-blue-900);

--oc-shadow-raised: none;
}

/* Accessibility: users who disable animation get none */
@media (prefers-reduced-motion: reduce) {
:root {
--oc-duration-fast: 0ms;
--oc-duration-base: 0ms;
--oc-duration-slow: 0ms;
}
}

/* ---- Component layer — canonical MVP values (form direction A, sealed 2026-08-30) ---- */
:root {
--oc-btn-pad-y: 9px; --oc-btn-pad-x: 15px;
--oc-btn-radius: var(--oc-radius-md);
--oc-btn-font-size: 13px; --oc-btn-min-height: 36px; /* 44px on touch viewports */
--oc-btn-sm-pad-y: 6px; --oc-btn-sm-pad-x: 11px;
--oc-btn-sm-font-size: 12.5px; --oc-btn-sm-min-height: 30px;

--oc-field-label-size: 12px; --oc-field-label-gap: 5px;
--oc-field-pad-y: 9px; --oc-field-pad-x: 12px;
--oc-field-font-size: 13.5px; --oc-field-radius: var(--oc-radius-md);
--oc-field-border: var(--oc-border-strong);
--oc-field-border-focus: var(--oc-teal-400);
--oc-field-hint-size: 11.5px;

--oc-pill-font-size: 11px; --oc-pill-pad: 2px 10px;
--oc-pill-radius: var(--oc-radius-full);

--oc-card-padding: 18px 20px; --oc-card-radius: var(--oc-radius-lg);
--oc-card-gap-below: 14px;

--oc-table-head-size: 11px; --oc-table-head-tracking: 0.07em;
--oc-table-cell-pad: 9px 10px;

--oc-tabs-pad: 6px 14px; --oc-tabs-font-size: 12.5px;
--oc-tabs-radius: var(--oc-radius-md);

--oc-toast-pad: 11px 16px; --oc-toast-radius: var(--oc-radius-lg);
--oc-toast-max-width: 340px;

--oc-appt-pad: 5px 8px; --oc-appt-radius: var(--oc-radius-sm);
--oc-appt-accent-bar: 3px; --oc-appt-font-size: 11.5px;

--oc-modal-padding: 22px 24px; --oc-modal-radius: var(--oc-radius-xl);
--oc-modal-max-width: 480px;
--oc-modal-scrim: rgba(15, 29, 34, 0.45);

--oc-rail-width: 216px; --oc-rail-width-collapsed: 64px;
--oc-rail-brand-logo: 36px; --oc-rail-seam: var(--oc-neutral-800);
}
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