/* UI do Sistema A (S1.6): legível no projetor, sem dependências. */
:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #16181d;
  --muted: #5a6170;
  --line: #d6d9e0;
  --accent: #1d4ed8;
  --accent-text: #ffffff;
  --danger-bg: #fde8e8;
  --danger: #9b1c1c;
  --warn-bg: #fff4d6;
  --warn: #7a4b00;
  --notice-bg: #eceef2;
  --s1: #1d4ed8;
  --s2: #0f766e;
  --s3: #6d28d9;
  --s4: #b45309;
  --s5: #15803d;
  --s6: #4b5563;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

[hidden] {
  display: none !important;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: #111827;
  color: #fff;
}

.brand {
  color: #fff;
  font-weight: 700;
  text-decoration: none;
}

.brand span {
  font-weight: 400;
  opacity: 0.75;
}

.who {
  display: flex;
  align-items: center;
  gap: 12px;
}

.who .ghost {
  color: #fff;
  border-color: #fff;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px;
}

h1 {
  font-size: 1.5rem;
  margin: 0 0 12px;
}

h2 {
  font-size: 1.15rem;
  margin: 0 0 12px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 16px;
}

.narrow {
  max-width: 420px;
  margin: 40px auto;
}

label {
  display: block;
  margin-bottom: 12px;
  font-weight: 600;
}

input,
select,
textarea {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 8px 10px;
  font: inherit;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
}

button {
  font: inherit;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-text);
  cursor: pointer;
}

button.ghost {
  background: transparent;
  color: var(--accent);
}

button.danger {
  background: var(--danger);
  border-color: var(--danger);
}

button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.row-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.banner {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 12px;
  font-weight: 600;
}

.banner.error {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger);
}

#global-error {
  margin: 12px 16px 0;
}

.notice {
  background: var(--notice-bg);
  color: var(--muted);
  padding: 10px 14px;
  border-radius: 6px;
}

.hint,
.meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.content {
  white-space: pre-wrap;
}

.table-wrap {
  overflow-x: auto;
  padding: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}

tbody tr {
  cursor: pointer;
}

tbody tr:hover {
  background: #eef2ff;
}

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  white-space: nowrap;
}

.status-1 { background: var(--s1); }
.status-2 { background: var(--s2); }
.status-3 { background: var(--s3); }
.status-4 { background: var(--s4); }
.status-5 { background: var(--s5); }
.status-6 { background: var(--s6); }

.pending {
  background: var(--warn-bg);
  border-color: var(--warn);
  color: var(--warn);
}

.pending p {
  color: var(--text);
  white-space: pre-wrap;
}

.timeline {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.bubble {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 12px;
  background: #eef2ff;
}

.bubble.from-b {
  background: #ecfdf5;
  align-self: flex-end;
}

.bubble.bot {
  background: var(--notice-bg);
}

.bubble.event {
  align-self: center;
  background: var(--warn-bg);
  font-size: 0.9rem;
}

.bubble .who-line {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 4px;
}

.bubble .text {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

@media (max-width: 640px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .bubble {
    max-width: 100%;
  }

  .brand span {
    display: none;
  }

  th:nth-child(5),
  td:nth-child(5) {
    display: none;
  }
}