:root {
  --blue: #0b5ed7;
  --bg: #f4f6f9;
  --card: #ffffff;
  --line: #e2e8f0;
  --text: #1f2933;
  --muted: #7b8794;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  background: #102a43; color: #fff; padding: 10px 24px;
}
.topbar .brand { color: #fff; font-weight: 700; font-size: 1.1rem; }
.topbar nav { display: flex; gap: 14px; align-items: center; }
.topbar nav a { color: #bcd5ea; }
.topbar nav a.on, .topbar nav a:hover { color: #fff; text-decoration: none; }

main { max-width: 1100px; margin: 24px auto; padding: 0 16px; }
h1 { font-size: 1.4rem; }
.crumbs { margin: -8px 0 8px; }

.filters {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  background: var(--card); border: 1px solid var(--line);
  padding: 12px; border-radius: 8px; margin-bottom: 16px;
}
.filters input, .filters select, .filters label {
  font-size: .9rem; padding: 6px 8px; border: 1px solid var(--line); border-radius: 6px; background: #fff;
}
.filters input[name=q] { flex: 1; min-width: 200px; }

.btn {
  background: var(--blue); color: #fff; border: 0; border-radius: 6px;
  padding: 8px 14px; font-size: .9rem; cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn.small { padding: 5px 10px; font-size: .82rem; }
.btn.ghost { background: transparent; color: var(--blue); border: 1px solid var(--blue); }
.block { width: 100%; }

table.list {
  width: 100%; border-collapse: collapse; background: var(--card);
  border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
}
table.list th, table.list td {
  text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); font-size: .92rem;
}
table.list th { background: #eef2f7; font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
table.list td.num { text-align: right; }
td.empty { text-align: center; color: var(--muted); padding: 28px; }

.badge {
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  font-size: .78rem; background: #e3e8ef; color: #334;
}
tr.status-aberto .badge { background: #fdecea; color: #b3261e; }
tr.status-em-andamento .badge { background: #fff4d6; color: #8a5a00; }
tr.status-resolvido .badge { background: #dff5e3; color: #1e6b2e; }

.ticket-head { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.ticket-head .meta { color: var(--muted); margin: 6px 0 12px; }

.thread { display: flex; flex-direction: column; gap: 12px; }
.msg { background: var(--card); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.msg.out { border-left: 4px solid var(--blue); }
.msg.in { border-left: 4px solid #9aa5b1; }
.msg header { padding: 8px 14px; background: #f7fafc; display: flex; justify-content: space-between; gap: 10px; font-size: .88rem; }
.msg .when { color: var(--muted); font-size: .8rem; white-space: nowrap; }
.msg .body {
  margin: 0; padding: 12px 14px; white-space: pre-wrap; word-wrap: break-word;
  font-family: inherit; font-size: .95rem;
}

.attachments { margin-top: 20px; background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px 18px; }
.attachments ul { list-style: none; padding: 0; }
.attachments .size { color: var(--muted); font-size: .85rem; }

.reply-box { margin-top: 20px; background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 14px 18px; }
.reply-box textarea { width: 100%; font-family: inherit; font-size: .95rem; padding: 10px; border: 1px solid var(--line); border-radius: 6px; }

.alert { padding: 10px 14px; border-radius: 8px; }
.alert.ok { background: #dff5e3; color: #1e6b2e; }
.alert.error { background: #fdecea; color: #b3261e; }

.note { color: var(--muted); }
.inline { display: inline; }

/* login */
.login-page { display: flex; min-height: 100vh; align-items: center; justify-content: center; }
.login-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px;
  padding: 36px; width: 340px; box-shadow: 0 8px 30px rgba(16,42,67,.08);
}
.login-card h1 { text-align: center; font-size: 1.2rem; }
.login-card label { display: block; margin-bottom: 14px; font-size: .88rem; color: var(--muted); }
.login-card input { display: block; width: 100%; margin-top: 4px; padding: 9px; border: 1px solid var(--line); border-radius: 6px; font-size: 1rem; }

footer { text-align: center; color: var(--muted); font-size: .8rem; padding: 24px; }