/* Tokens alinhados ao design dos apps internos da Principia (operacoes-app-next: @theme). */
:root {
  --color-blue-600: #083cbc;
  --color-blue-700: #062f94;
  --color-blue-50: #eef2fd;
  --color-green-500: #349a45;
  --color-green-50: #ebf6ed;
  --color-red-600: #dc2626;
  --color-red-50: #fef2f2;
  --color-amber-700: #92400e;
  --color-amber-50: #fffbeb;
  --color-gray-900: #111827;
  --color-gray-700: #374151;
  --color-gray-500: #6b7280;
  --color-gray-300: #d1d5db;
  --color-gray-200: #e5e7eb;
  --color-gray-100: #f3f4f6;
  --color-background: #fafbff;
  --color-surface: #ffffff;

  --accent: var(--color-blue-600);
  --accent-hover: var(--color-blue-700);
  --text: var(--color-gray-900);
  --muted: var(--color-gray-500);
  --border: var(--color-gray-200);
  --focus: 0 0 0 3px rgba(8, 60, 188, 0.25);
  --shadow: 0 1px 2px rgba(17, 24, 39, 0.04), 0 4px 16px rgba(17, 24, 39, 0.04);
  --radius: 8px;
  --radius-lg: 12px;
  --header-h: 64px;

  font-family: var(--font-inter, 'Inter'), system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--color-background);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }

/* ---------------------------------------------------------------- Cabeçalho */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  height: var(--header-h);
  background: var(--color-surface);
  border-bottom: 1px solid var(--border);
}
.topbar__inner {
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: inline-flex; align-items: center; gap: 14px; color: inherit; text-decoration: none; min-width: 0; }
.brand__logo { height: 26px; width: auto; display: block; }
.brand__divider { width: 1px; height: 22px; background: var(--color-gray-300); }
.brand__product { font-weight: 500; color: var(--color-gray-700); white-space: nowrap; }
.who {
  color: var(--color-gray-700);
  font-size: 0.875rem;
  background: var(--color-gray-100);
  border-radius: 999px;
  padding: 6px 12px;
  max-width: 40vw;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------------------------------------------------------------- Estrutura */
.shell { flex: 1; width: 100%; max-width: 1200px; margin: 0 auto; padding: 32px 32px 64px; }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 32px;
  align-items: start;
}
.content { min-width: 0; }

.intro { margin-bottom: 20px; }
.eyebrow { margin: 0 0 4px; color: var(--accent); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }
.intro h1, .success h1 { margin: 0 0 6px; font-size: 1.75rem; line-height: 1.25; letter-spacing: -0.01em; }
.intro p:last-child { margin: 0; color: var(--muted); max-width: 640px; }

.card {
  background: var(--color-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 28px 32px;
}

/* ---------------------------------------------------------------- Formulário */
.group { border: 0; margin: 0 0 8px; padding: 0; min-width: 0; }
/* Divisória na base do grupo anterior: borda no topo de um fieldset cruza a legenda. */
.group:has(+ .group) { border-bottom: 1px solid var(--border); padding-bottom: 6px; margin-bottom: 24px; }
.group legend { display: flex; align-items: center; gap: 10px; font-size: 1rem; font-weight: 600; margin-bottom: 16px; padding: 0; }
.step {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-blue-50);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.grid--subject { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
.field { margin-bottom: 18px; min-width: 0; }
.field--full { grid-column: 1 / -1; }

label, .label { display: block; font-weight: 500; margin-bottom: 6px; font-size: 0.875rem; color: var(--color-gray-700); }

input[type='text'], input[type='email'], select, textarea {
  width: 100%;
  font: inherit;
  color: inherit;
  background: var(--color-surface);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius);
  padding: 10px 12px;
  min-height: 44px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
textarea { resize: vertical; min-height: 168px; }
input:hover, select:hover, textarea:hover { border-color: var(--color-gray-500); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: var(--focus); }
input[readonly] { background: var(--color-gray-100); color: var(--color-gray-700); }
[aria-invalid='true'] { border-color: var(--color-red-600) !important; }
::placeholder { color: var(--color-gray-500); opacity: 0.8; }

.hint { margin: 6px 0 0; color: var(--muted); font-size: 0.8125rem; }
.hint--ok { color: var(--color-green-500); margin: -8px 0 14px; font-weight: 500; }
.error { margin: 6px 0 0; color: var(--color-red-600); font-size: 0.8125rem; font-weight: 500; }
.counter { float: right; font-variant-numeric: tabular-nums; }
.counter--over { color: var(--color-red-600); }
#description-tip { margin: -2px 0 8px; }

.choices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.choice {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius);
  padding: 12px 14px;
  cursor: pointer;
  margin: 0;
  color: var(--text);
  font-weight: 400;
  transition: border-color 0.15s, background 0.15s;
}
.choice:hover { border-color: var(--accent); }
.choice:has(input:checked) { border-color: var(--accent); background: var(--color-blue-50); box-shadow: inset 0 0 0 1px var(--accent); }
.choice:has(input:focus-visible) { box-shadow: var(--focus); }
.choice input { margin: 3px 0 0; accent-color: var(--accent); flex: none; }
.choice strong { display: block; font-size: 0.9rem; font-weight: 600; }
.choice small { display: block; color: var(--muted); font-size: 0.78rem; line-height: 1.35; margin-top: 2px; }
.radiogroup-invalid .choice { border-color: var(--color-red-600); }

.trap { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

.actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-top: 1px solid var(--border);
  margin: 8px -32px -28px;
  padding: 16px 32px;
  background: var(--color-gray-100);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
.actions__note { margin: 0; }

/* ---------------------------------------------------------------- Botões */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font: inherit;
  font-weight: 600;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  padding: 10px 24px;
  min-height: 44px;
  min-width: 180px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s;
}
.button:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.button:focus-visible { outline: none; box-shadow: var(--focus); }
.button[disabled] { opacity: 0.75; cursor: progress; }
.button--ghost { background: var(--color-surface); color: var(--accent); border-color: var(--color-gray-300); }
.button--ghost:hover { background: var(--color-blue-50); border-color: var(--accent); }
.button--small { padding: 6px 12px; min-height: 34px; min-width: 0; font-size: 0.8125rem; }

.spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.button[aria-busy='true'] .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 2s; } }

/* ---------------------------------------------------------------- Avisos */
.banner { border-radius: var(--radius); padding: 12px 16px; margin-bottom: 16px; font-size: 0.875rem; border: 1px solid; }
.banner:focus { outline: none; }
.banner--error { background: var(--color-red-50); color: var(--color-red-600); border-color: rgba(220, 38, 38, 0.3); }
.banner--warn { background: var(--color-amber-50); color: var(--color-amber-700); border-color: rgba(146, 64, 14, 0.25); margin-bottom: 24px; }
.banner small { display: block; margin-top: 4px; opacity: 0.9; }

/* ---------------------------------------------------------------- Painel lateral */
.aside { position: sticky; top: calc(var(--header-h) + 24px); display: grid; gap: 16px; }
.panel {
  background: var(--color-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.panel h2 { margin: 0 0 12px; font-size: 0.9375rem; font-weight: 600; }
.panel p { margin: 0; color: var(--color-gray-700); font-size: 0.875rem; }
.panel--warn { background: var(--color-amber-50); border-color: rgba(146, 64, 14, 0.2); }
.panel--warn h2 { color: var(--color-amber-700); }

.steps { list-style: none; margin: 0; padding: 0; counter-reset: step; display: grid; gap: 14px; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 24px 1fr; column-gap: 12px; font-size: 0.875rem; }
.steps li::before {
  content: counter(step);
  grid-row: span 2;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 700;
}
.steps span { color: var(--muted); }

.tips { margin: 0; padding-left: 18px; color: var(--color-gray-700); font-size: 0.875rem; display: grid; gap: 6px; }
.tips li::marker { color: var(--accent); }

/* ---------------------------------------------------------------- Confirmação */
.success { text-align: center; padding: 48px 32px; }
.success:focus { outline: none; }
.success__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--color-green-50);
  color: var(--color-green-500);
}
.success > p { color: var(--muted); margin: 4px auto; max-width: 480px; }
.protocol {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin: 24px 0 14px;
  padding: 14px 20px;
  background: var(--color-blue-50);
  border: 1px solid rgba(8, 60, 188, 0.2);
  border-radius: var(--radius);
  flex-wrap: wrap;
  justify-content: center;
}
.protocol__label { color: var(--color-gray-700); font-size: 0.8125rem; font-weight: 500; }
.protocol__value { font-size: 1.6rem; font-weight: 700; color: var(--accent); letter-spacing: 0.02em; font-variant-numeric: tabular-nums; }
#new-ticket { margin-top: 24px; }

/* ---------------------------------------------------------------- Rodapé */
.footer { border-top: 1px solid var(--border); background: var(--color-surface); }
.footer__inner { max-width: 1200px; margin: 0 auto; padding: 16px 32px; color: var(--muted); font-size: 0.8125rem; }

/* ---------------------------------------------------------------- Tablet: uma coluna, ajuda abaixo */
@media (max-width: 1023px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .aside { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .panel--warn { grid-column: 1 / -1; }
}

/* ---------------------------------------------------------------- Celular */
@media (max-width: 640px) {
  :root { --header-h: 56px; }
  .topbar__inner, .shell, .footer__inner { padding-left: 16px; padding-right: 16px; }
  .shell { padding-top: 20px; padding-bottom: 32px; }
  .brand { gap: 10px; }
  .brand__logo { height: 22px; }
  .brand__divider { height: 18px; }
  .brand__product { font-size: 0.875rem; }
  .intro h1, .success h1 { font-size: 1.5rem; }

  .card { padding: 20px 16px; border-radius: var(--radius-lg); }
  .grid, .grid--subject, .choices { grid-template-columns: 1fr; }
  .choices { gap: 8px; }

  /* Botão de envio sempre ao alcance do polegar. */
  .actions {
    position: sticky;
    bottom: 0;
    z-index: 5;
    margin: 8px -16px -20px;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    background: var(--color-surface);
    box-shadow: 0 -4px 12px rgba(17, 24, 39, 0.06);
  }
  .actions__note { display: none; }
  .actions .button { width: 100%; }

  .aside { grid-template-columns: 1fr; }
  .success { padding: 36px 16px; }
  .protocol .button { width: auto; }
  #new-ticket { width: 100%; }
}