/* ===========================================================================
   SEUSO Assistant — design system
   - BEM strict: no IDs in CSS, no tag selectors for component styling
   - Sala de controle silenciosa: dark, flat-by-default, brasa-foguete pontual
   - WCAG 2.2 AA: :focus-visible, target size, prefers-reduced-motion
   =========================================================================== */

/* ---------------------------------------------------------------------------
   Tokens
   --------------------------------------------------------------------------- */
:root {
  /* Color — fundos quase-pretos em camadas */
  --color-bg-app:        #07070a;   /* ink-bastidor */
  --color-bg-card:       #0f1015;   /* card-noite */
  --color-bg-field:      #050507;   /* field-funda */
  --color-border:        rgba(255, 255, 255, 0.06);   /* hairline */
  --color-border-strong: rgba(255, 255, 255, 0.12);

  /* Color — texto */
  --color-text:          #f3f4f6;   /* papel-claro */
  --color-text-muted:    #9ca3af;   /* cinza-quase */
  --color-text-on-primary: #07070a; /* ink-bastidor — passa AA (7.9:1) sobre brasa */

  /* Color — acento (Regra da Brasa Solitária: ≤10% da tela) */
  --color-primary:       #f97316;   /* brasa-foguete */
  --color-primary-hover: #ea580c;
  --color-primary-soft:  rgba(249, 115, 22, 0.1);
  --color-primary-line:  rgba(249, 115, 22, 0.3);

  /* Color — status */
  --color-success:       #34d399;
  --color-success-bg:    rgba(16, 185, 129, 0.1);
  --color-success-line:  rgba(16, 185, 129, 0.3);
  --color-error:         #f87171;
  --color-error-bg:      rgba(239, 68, 68, 0.1);
  --color-error-line:    rgba(239, 68, 68, 0.3);

  /* Typography */
  --font-stack: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono:  ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --fs-page:        clamp(1.5rem, 1.2rem + 1.2vw, 1.875rem); /* 24-30px */
  --fs-card-title:  1.125rem;
  --fs-body:        1rem;
  --fs-meta:        0.9rem;
  --fs-label:       0.875rem;
  --fs-small:       0.75rem;
  --lh-body: 1.5;
  --lh-tight: 1.25;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;

  /* Spacing — escala 4pt */
  --space-4:  4px;
  --space-8:  8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;

  /* Geometry */
  --radius-md: 8px;
  --target-min: 44px;

  /* Layout */
  --container-max:    1100px;       /* legacy; mantido para .card--narrow chromeless */
  --container-narrow: 420px;        /* login/setup card centralizado */
  --container-form:   480px;        /* largura de uma coluna de campos de formulário */
  --sidebar-w:        260px;
}

html { color-scheme: dark; }

body {
  margin: 0;
  background: var(--color-bg-app);
  color: var(--color-text);
  font: var(--fw-regular) var(--fs-body) / var(--lh-body) var(--font-stack);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Aplicamos box-sizing universalmente escopado pela raiz .app, evitando seletor
   global de tag (BEM proíbe estilizar tag bruta). */
.app,
.app *,
.app *::before,
.app *::after { box-sizing: border-box; }

/* Utility: visually hidden disponível para AT (SC 1.3.1 / SC 4.1.2) */
.u-visually-hidden {
  position: absolute;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  white-space: nowrap;
  border: 0;
}

/* SC 2.3.3 / 2.2.2 — respeita preferência de movimento reduzido */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------------------------------------------------------------------------
   Block: skip-link  (SC 2.4.1)
   --------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-16);
  background: var(--color-primary);
  color: var(--color-text-on-primary);
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-md);
  font-weight: var(--fw-semibold);
  text-decoration: none;
  transition: top 0.15s ease;
  z-index: 1000;
}
.skip-link:focus { top: var(--space-16); }
.skip-link:focus-visible {
  outline: 2px solid var(--color-text-on-primary);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------------------
   Block: app (page shell)
   --------------------------------------------------------------------------- */
.app { display: flex; flex-direction: column; min-height: 100vh; }

/* Shell com sidebar persistente (inspirado em consoles tipo HOMER/Linear) */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  flex: 1 1 auto;
  min-height: 100vh;
}
.app-shell__main {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
@media (max-width: 880px) {
  .app-shell { grid-template-columns: 1fr; }
}

/* Variante chromeless — login/setup sem sidebar/topbar */
.app--chromeless {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-32) var(--space-16);
}
.app--chromeless .app-shell__main {
  width: 100%;
  align-items: center;
  gap: var(--space-24);
}

/* ---------------------------------------------------------------------------
   Block: brand
   --------------------------------------------------------------------------- */
.brand {
  font-size: var(--fs-card-title);
  font-weight: var(--fw-regular);
  letter-spacing: 0.01em;
  color: var(--color-text);
  text-decoration: none;
  display: inline-flex;
  gap: var(--space-4);
  align-items: baseline;
}
.brand__accent { color: var(--color-primary); font-weight: 300; }
.brand:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: var(--radius-md);
}

/* ---------------------------------------------------------------------------
   Block: app-header (usado apenas no chromeless)
   --------------------------------------------------------------------------- */
.app-header {
  padding: var(--space-16) var(--space-24);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-16);
  background: var(--color-bg-app);
}

/* ---------------------------------------------------------------------------
   Block: sidebar
   --------------------------------------------------------------------------- */
/* Overlay do drawer mobile — sempre escondido no desktop. Sem este display:none
   o <button> entra como filho do grid .app-shell e rouba a coluna 1 (260px),
   empurrando a sidebar para 1fr e o main para a linha seguinte. */
.sidebar-overlay { display: none; }

.sidebar {
  background: var(--color-bg-card);
  border-right: 1px solid var(--color-border);
  padding: var(--space-24) var(--space-16);
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
  overflow-y: auto;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar__brand { padding: 0 var(--space-8); }
.sidebar__user {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding: var(--space-12);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-app);
}
.sidebar__user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: var(--color-bg-field);
  border: 1px solid var(--color-border);
  display: grid;
  place-items: center;
  color: var(--color-primary);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-label);
  flex-shrink: 0;
}
.sidebar__user-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.sidebar__user-name {
  font-weight: var(--fw-semibold);
  font-size: var(--fs-label);
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sidebar__user-role {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  text-transform: lowercase;
}
.sidebar__nav { display: flex; flex-direction: column; gap: var(--space-16); flex: 1 1 auto; }
.sidebar__group { display: flex; flex-direction: column; gap: var(--space-4); }
.sidebar__group-label {
  margin: 0;
  padding: 0 var(--space-12);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.sidebar__list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 2px; }
.sidebar__item { margin: 0; }
.sidebar__link {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  min-height: var(--target-min);
  padding: var(--space-8) var(--space-12);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--fs-meta);
  border-radius: var(--radius-md);
  border-left: 2px solid transparent;
  transition: background-color 0.12s ease, color 0.12s ease;
}
.sidebar__link:hover { background: var(--color-bg-field); color: var(--color-primary); }
.sidebar__link:focus-visible { outline: 2px solid var(--color-primary); outline-offset: -2px; }
.sidebar__link--current {
  color: var(--color-primary);
  background: var(--color-primary-soft);
  font-weight: var(--fw-semibold);
}
.sidebar__footer { margin-top: auto; padding-top: var(--space-16); border-top: 1px solid var(--color-border); }

/* Mobile drawer — sidebar overlay */
@media (max-width: 880px) {
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: min(86vw, 320px);
    height: 100vh;
    z-index: 50;
    transform: translateX(-100%);
    transition: transform 0.18s ease;
    box-shadow: 4px 0 24px rgba(0,0,0,0.4);
  }
  .app[data-sidebar="open"] .sidebar { transform: translateX(0); }
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 40;
    border: 0;
    padding: 0;
    cursor: pointer;
  }
  .app[data-sidebar="open"] .sidebar-overlay { display: block; }
}

/* ---------------------------------------------------------------------------
   Block: topbar
   --------------------------------------------------------------------------- */
.topbar {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  padding: var(--space-16) var(--space-24);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-app);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar__toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8) var(--space-12);
  color: var(--color-text);
  cursor: pointer;
  min-height: var(--target-min);
}
.topbar__toggle:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.topbar__title {
  margin: 0;
  font-size: var(--fs-page);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
  flex: 1 1 auto;
}
.topbar__crumb {
  display: block;
  font-size: var(--fs-small);
  font-weight: var(--fw-regular);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 2px;
}
@media (max-width: 880px) {
  .topbar__toggle { display: inline-flex; align-items: center; }
}

/* ---------------------------------------------------------------------------
   Block: stat-display (números proeminentes em cards de painel)
   --------------------------------------------------------------------------- */
.stat-display { display: flex; flex-direction: column; gap: var(--space-8); }
.stat-display__eyebrow {
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.stat-display__value {
  font-size: clamp(2rem, 1.5rem + 2vw, 2.75rem);
  font-weight: var(--fw-semibold);
  line-height: 1;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
}
.stat-display__value--accent { color: var(--color-primary); }
.stat-display__hint { color: var(--color-text-muted); font-size: var(--fs-meta); }

/* Grid de painel — auto-fit que vira coluna em mobile sem media query */
.dashboard-grid {
  display: grid;
  gap: var(--space-24);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

/* ---------------------------------------------------------------------------
   Block: app-nav
   --------------------------------------------------------------------------- */
.app-nav { display: flex; align-items: center; gap: var(--space-16); flex-wrap: wrap; }
.app-nav__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
  align-items: center;
}
.app-nav__item { margin: 0; }
.app-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: var(--target-min);
  padding: var(--space-8) var(--space-12);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--fs-meta);
  border-radius: var(--radius-md);
  transition: color 0.12s ease, background-color 0.12s ease;
}
.app-nav__link:hover { color: var(--color-primary); }
.app-nav__link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.app-nav__link--current { color: var(--color-primary); }
.app-nav__user {
  color: var(--color-text-muted);
  font-size: var(--fs-meta);
  padding: 0 var(--space-8);
}
.app-nav__logout { margin: 0; }

/* ---------------------------------------------------------------------------
   Block: app-main
   --------------------------------------------------------------------------- */
/* Encosta no topbar (mesmo eixo vertical), sem auto-centering. O cap de leitura
   é responsabilidade do .form__field, não do main: lists e tabelas preenchem
   a coluna inteira; forms ficam em coluna de ~480px dentro do card. */
.app-main {
  flex: 1 1 auto;
  width: 100%;
  padding: var(--space-24);
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

/* ---------------------------------------------------------------------------
   Block: page-title
   --------------------------------------------------------------------------- */
.page-title {
  margin: 0;
  font-size: var(--fs-page);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
}
.page-title__lead {
  display: block;
  margin-top: var(--space-8);
  font-size: var(--fs-meta);
  font-weight: var(--fw-regular);
  color: var(--color-text-muted);
}

/* ---------------------------------------------------------------------------
   Block: card
   --------------------------------------------------------------------------- */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-24);
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}
.card__title {
  margin: 0;
  font-size: var(--fs-card-title);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
}
.card__lead { margin: 0; color: var(--color-text-muted); }
.card__body { display: flex; flex-direction: column; gap: var(--space-16); }
.card__footer { display: flex; gap: var(--space-12); flex-wrap: wrap; align-items: center; }
.card--narrow {
  max-width: var(--container-narrow);
  margin: 0 auto;
  width: 100%;
}

/* ---------------------------------------------------------------------------
   Block: modal — usa <dialog> nativo

   Pattern:
     <button onclick="document.getElementById('m-x').showModal()">…</button>
     <dialog class="modal" id="m-x" aria-labelledby="m-x-title">
       <div class="modal__panel">
         <header class="modal__header">
           <h2 class="modal__title" id="m-x-title">…</h2>
           <button class="modal__close" type="button"
                   onclick="this.closest('dialog').close()" aria-label="Fechar">×</button>
         </header>
         <form method="post" action="…" class="form modal__body">
           …form__field…
           <footer class="modal__footer">
             <button class="button button--ghost" type="button"
                     onclick="this.closest('dialog').close()">Cancelar</button>
             <button class="button button--primary" type="submit">Salvar</button>
           </footer>
         </form>
       </div>
     </dialog>

   <dialog> nativo já entrega: role=dialog + aria-modal=true, focus trap,
   ESC fecha, retorno de foco ao opener. Faltam: clique no backdrop fecha
   (inline JS curto na .modal — ver views) e animação de entrada (transition
   + @starting-style abaixo).
   --------------------------------------------------------------------------- */
.modal {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--color-text);
  max-width: min(640px, 92vw);
  max-height: 90vh;
}
.modal__panel {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  max-height: 90vh;
  overflow: hidden;
}
.modal__header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-12);
  padding: var(--space-24) var(--space-24) var(--space-16) var(--space-24);
  border-bottom: 1px solid var(--color-border);
}
.modal__title {
  margin: 0;
  font-size: var(--fs-card-title);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
  flex: 1 1 auto;
}
.modal__close {
  flex: 0 0 auto;
  background: transparent;
  border: 1px solid transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  min-width: var(--target-min);
  min-height: var(--target-min);
  border-radius: var(--radius-md);
  font-size: 1.5rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.modal__close:hover { color: var(--color-text); border-color: var(--color-border); }
.modal__close:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.modal__body {
  padding: var(--space-24);
  overflow-y: auto;
  flex: 1 1 auto;
}
.modal__footer {
  display: flex;
  gap: var(--space-12);
  justify-content: flex-end;
  align-items: center;
  padding-top: var(--space-8);
  margin-top: var(--space-8);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-16);
}
/* Dentro do modal, os campos não precisam da coluna de 480px — o próprio
   panel já tem ~640px, então liberamos o cap. */
.modal__body .form__field { max-width: none; }

/* Animação de entrada — anima APENAS o panel (translateY). A própria dialog
   fica opaca o tempo todo: se animássemos a opacity da dialog, o texto dentro
   teria fundo translúcido durante o transition e axe-core, com timing
   variável, derrubaria o contrast do form__hint. Backdrop tem fade leve.
   Respeita prefers-reduced-motion via guard global (duration:0.01ms). */
.modal::backdrop {
  background: rgba(0, 0, 0, 0.6);
  transition: opacity 0.18s ease-out, overlay 0.18s allow-discrete, display 0.18s allow-discrete;
  opacity: 1;
}
.modal:not([open])::backdrop { opacity: 0; }
@starting-style {
  .modal[open]::backdrop { opacity: 0; }
}
.modal__panel {
  transition: transform 0.18s ease-out;
  transform: translateY(0);
}
@starting-style {
  .modal[open] .modal__panel { transform: translateY(8px); }
}

/* ---------------------------------------------------------------------------
   Block: button
   --------------------------------------------------------------------------- */
.button {
  font: var(--fw-semibold) var(--fs-body) / 1 var(--font-stack);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  min-height: var(--target-min);
  padding: var(--space-12) var(--space-16);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}
.button:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.button:disabled,
.button[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; }
.button--primary {
  background: var(--color-primary);
  color: var(--color-text-on-primary);
}
.button--primary:hover { background: var(--color-primary-hover); }
.button--ghost {
  color: var(--color-text-muted);
  padding: var(--space-8) var(--space-12);
}
.button--ghost:hover { color: var(--color-text); text-decoration: underline; }
.button--danger { color: var(--color-error); }
.button--danger:hover {
  background: var(--color-error-bg);
  border-color: var(--color-error-line);
}
.button--small { min-height: 32px; padding: var(--space-4) var(--space-12); font-size: var(--fs-label); }

/* ---------------------------------------------------------------------------
   Block: form
   --------------------------------------------------------------------------- */
.form { display: flex; flex-direction: column; gap: var(--space-16); }
/* Cada campo é uma coluna ~480px independente do card que o contém.
   Modifier --full libera o cap para textareas longos / inputs colados num grupo. */
.form__field { display: flex; flex-direction: column; gap: var(--space-4); max-width: var(--container-form); width: 100%; }
.form__field--full { max-width: none; }
.form__label {
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
  color: var(--color-text);
}
.form__input,
.form__select,
.form__textarea {
  background: var(--color-bg-field);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-12) var(--space-16);
  font: inherit;
  min-height: var(--target-min);
  width: 100%;
}
.form__textarea {
  min-height: calc(var(--target-min) * 2);
  resize: vertical;
  line-height: var(--lh-body);
}
.form__input::placeholder,
.form__textarea::placeholder { color: var(--color-text-muted); }
.form__input:focus-visible,
.form__select:focus-visible,
.form__textarea:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 0;
  border-color: var(--color-primary);
}
.form__input--invalid,
.form__select--invalid,
.form__textarea--invalid { border-color: var(--color-error); }
.form__hint { font-size: var(--fs-small); color: var(--color-text-muted); }
.form__error-text { font-size: var(--fs-small); color: var(--color-error); }
.form__checkbox-field {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  min-height: var(--target-min);
  cursor: pointer;
  font-size: var(--fs-body);
}
.form__checkbox-field input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  margin: 0;
}
.form__actions {
  display: flex;
  gap: var(--space-12);
  flex-wrap: wrap;
  align-items: center;
}
.form--filters {
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--space-12);
  align-items: flex-end;
}
.form--filters .form__field { min-width: 12ch; max-width: 18rem; }

/* ---------------------------------------------------------------------------
   Block: data-table
   --------------------------------------------------------------------------- */
.data-table { width: 100%; border-collapse: collapse; font-size: var(--fs-body); }
.data-table__caption {
  caption-side: top;
  text-align: left;
  padding-bottom: var(--space-8);
  color: var(--color-text-muted);
  font-size: var(--fs-small);
}
.data-table__head-cell {
  text-align: left;
  padding: var(--space-12);
  border-bottom: 1px solid var(--color-border-strong);
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
}
.data-table__cell {
  text-align: left;
  padding: var(--space-12);
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}
.data-table__cell--code { font-family: var(--font-mono); font-size: var(--fs-small); }
.data-table__cell--actions { white-space: nowrap; }
.data-table__inline-form { display: inline; margin: 0; }

/* ---------------------------------------------------------------------------
   Block: banner  (SC 4.1.3 status messages)
   --------------------------------------------------------------------------- */
.banner {
  padding: var(--space-12) var(--space-16);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: var(--fs-body);
}
.banner--error   { background: var(--color-error-bg);   border-color: var(--color-error-line);   color: var(--color-error); }
.banner--success { background: var(--color-success-bg); border-color: var(--color-success-line); color: var(--color-success); }
.banner--info    { background: var(--color-primary-soft); border-color: var(--color-primary-line); color: var(--color-primary); }

/* ---------------------------------------------------------------------------
   Block: status
   --------------------------------------------------------------------------- */
.status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  font-size: var(--fs-meta);
  font-weight: var(--fw-semibold);
  padding: var(--space-4) var(--space-12);
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
}
.status__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
}
.status--connected    { color: var(--color-success);  background: var(--color-success-bg); border-color: var(--color-success-line); }
.status--disconnected { color: var(--color-error);    background: var(--color-error-bg);   border-color: var(--color-error-line); }
.status--connecting,
.status--qr           { color: var(--color-primary);  background: var(--color-primary-soft); border-color: var(--color-primary-line); }
.status--error        { color: var(--color-error);    background: var(--color-error-bg);   border-color: var(--color-error-line); }

/* ---------------------------------------------------------------------------
   Block: qr
   --------------------------------------------------------------------------- */
.qr { display: flex; flex-direction: column; align-items: center; gap: var(--space-12); }
.qr__frame {
  background: #ffffff;
  padding: var(--space-12);
  border-radius: var(--radius-md);
  width: 240px;
  height: 240px;
  display: grid;
  place-items: center;
}
.qr__image { max-width: 100%; height: auto; display: block; }
.qr__pending { color: #374151; font-size: var(--fs-meta); text-align: center; }
.qr__caption {
  color: var(--color-text-muted);
  font-size: var(--fs-small);
  text-align: center;
  max-width: 300px;
}

/* ---------------------------------------------------------------------------
   Block: chip / chip-list
   --------------------------------------------------------------------------- */
.chip-list { display: flex; flex-wrap: wrap; gap: var(--space-8); align-items: center; }
.chip-list__legend { color: var(--color-text-muted); font-size: var(--fs-small); }
.chip {
  font: var(--fw-medium) var(--fs-small) / 1 var(--font-stack);
  background: var(--color-bg-field);
  color: var(--color-text-muted);
  padding: var(--space-4) var(--space-12);
  border-radius: 999px;
  border: 1px solid var(--color-border);
  cursor: pointer;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
}
.chip:hover { color: var(--color-text); border-color: var(--color-border-strong); }
.chip:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }

/* ---------------------------------------------------------------------------
   Block: stat-list (chave/valor)
   --------------------------------------------------------------------------- */
.stat-list { display: flex; flex-direction: column; gap: var(--space-8); margin: 0; padding: 0; }
.stat-list__item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-16);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--space-8);
}
.stat-list__item:last-child { border-bottom: none; padding-bottom: 0; }
.stat-list__label { color: var(--color-text-muted); font-size: var(--fs-label); }
.stat-list__value { font-weight: var(--fw-semibold); font-variant-numeric: tabular-nums; }

/* ---------------------------------------------------------------------------
   Block: empty
   --------------------------------------------------------------------------- */
.empty {
  padding: var(--space-32);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--fs-meta);
}

/* ---------------------------------------------------------------------------
   Block: code
   --------------------------------------------------------------------------- */
.code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--color-bg-field);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0 var(--space-4);
  word-break: break-all;
}

/* ---------------------------------------------------------------------------
   Block: app-footer
   --------------------------------------------------------------------------- */
.app-footer {
  margin-top: auto;
  padding: var(--space-16) var(--space-24);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-app);
  color: var(--color-text-muted);
  font-size: var(--fs-small);
  text-align: center;
}