:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #dde1e6;
  --text: #1f2328;
  --muted: #6a737d;
  --primary: #5b3cc4;
  --primary-hover: #4a2fa6;
  --error-bg: #fdecec;
  --error-text: #a12622;
  --success-bg: #e8f6ec;
  --success-text: #1d6b35;
  --readonly-bg: #eef0f3;
  --radius: 6px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

[hidden] { display: none !important; }

h1, h2 { margin: 0; font-weight: 600; }
h1 { font-size: 22px; }
h2 { font-size: 18px; }
.muted { color: var(--muted); font-weight: 400; }
.hint { color: var(--muted); margin: 0 0 12px; font-size: 13px; }

/* ---------- Botões e inputs ---------- */
.btn {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 7px 14px;
  border-radius: var(--radius);
  font: inherit;
  cursor: pointer;
}
.btn:hover:not(:disabled) { background: #f0f1f4; }
.btn:disabled { opacity: .5; cursor: default; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }
.btn-small { padding: 4px 10px; font-size: 13px; }

input, select, textarea {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font: inherit;
  background: var(--surface);
  color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
textarea { resize: vertical; min-height: 60px; }
input.invalid { border-color: var(--error-text); background: var(--error-bg); }

label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; font-weight: 500; }
.required::after { content: " *"; color: var(--error-text); }

/* ---------- Alertas e status ---------- */
.alert { padding: 10px 12px; border-radius: var(--radius); margin-bottom: 12px; }
.alert-error { background: var(--error-bg); color: var(--error-text); }
.alert-success { background: var(--success-bg); color: var(--success-text); }
.status { color: var(--muted); min-height: 20px; margin-bottom: 8px; }
.status.error { color: var(--error-text); }

/* ---------- Login ---------- */
.login-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card {
  width: 340px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.login-card .alert { margin: 0; }

/* ---------- Topo / navegação ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 600; font-size: 16px; }
.tabs { display: flex; gap: 4px; flex: 1; }
.tab {
  border: none;
  background: none;
  padding: 8px 14px;
  border-radius: var(--radius);
  font: inherit;
  color: var(--muted);
  cursor: pointer;
}
.tab:hover { background: #f0f1f4; }
.tab.active { color: var(--primary); background: #efeafd; font-weight: 600; }
.user-box { display: flex; align-items: center; gap: 12px; }

.content { max-width: 1200px; margin: 0 auto; padding: 24px; }

.toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.toolbar h2 { margin-right: auto; }
.toolbar input[type="search"] { width: 320px; }

/* ---------- Tabelas ---------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.data-table th, .data-table td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.data-table th { background: #fafbfc; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: #fafbfc; }
.data-table .num { text-align: right; }
.data-table td.actions { text-align: right; white-space: nowrap; }

.badge { display: inline-block; padding: 1px 8px; border-radius: 10px; font-size: 12px; }
.badge-yes { background: var(--success-bg); color: var(--success-text); }
.badge-no { background: var(--readonly-bg); color: var(--muted); }

.pagination { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 14px; }

/* ---------- Formulário ---------- */
fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 14px 16px 16px;
  margin: 0 0 16px;
}
legend { font-weight: 600; padding: 0 6px; }
.field-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px 16px; }
.field-wide { grid-column: 1 / -1; }

.readonly-fieldset { background: var(--readonly-bg); border-style: dashed; }
.readonly-fieldset input { background: var(--readonly-bg); color: var(--muted); cursor: not-allowed; }

.form-actions { display: flex; justify-content: flex-end; gap: 10px; }