@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg: #f7f9fb;
  --bg2: #eef2f6;
  --surface: #ffffff;
  --border: #e2e8f0;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #0e7c86;
  --accent-dark: #0a5a62;
  --accent-soft: rgba(14, 124, 134, 0.1);
  --danger: #b91c1c;
  --danger-soft: rgba(185, 28, 28, 0.08);
  --radius: 10px;
  --font-ui: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.5;
}

h1 { font-size: 22px; font-weight: 700; margin: 0 0 4px; letter-spacing: -0.3px; }
.muted { color: var(--muted); }

/* ---------- topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 12px 28px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar[hidden] { display: none; }
.topbar-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; }
.brand-mark {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-weight: 700; font-size: 14px;
}
.brand-name { font-size: 16px; }
.topbar-nav { flex: 1; display: flex; gap: 20px; }
.topbar-nav a { color: var(--muted); text-decoration: none; font-weight: 500; font-size: 14px; }
.topbar-nav a.active, .topbar-nav a:hover { color: var(--text); }
.topbar-user { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--muted); }

/* ---------- layout ---------- */
.view { max-width: 1080px; margin: 0 auto; padding: 32px 24px 80px; }
.view-center { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }
.view-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 20px; gap: 16px; flex-wrap: wrap; }
.view-header-actions { display: flex; gap: 10px; }
.back-link { color: var(--muted); text-decoration: none; font-size: 13px; }

/* ---------- card / form ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.card-form { width: 100%; max-width: 360px; display: flex; flex-direction: column; gap: 14px; text-align: center; }
.brand-mark-lg {
  width: 48px; height: 48px; margin: 0 auto 4px; border-radius: 12px;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-weight: 700; font-size: 22px;
}
label {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 13px; font-weight: 500; color: var(--muted); text-align: left;
}
input, select {
  font-family: var(--font-ui);
  font-size: 14px;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
}
input:focus, select:focus { outline: none; border-color: var(--accent); background: var(--surface); }
.checkbox { flex-direction: row; align-items: center; gap: 8px; }
.checkbox input { width: 16px; height: 16px; }

.grid-2 { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px; }
.grid-span-2 { grid-column: 1 / -1; }
.grid-trecho { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
@media (max-width: 900px) { .grid-trecho { grid-template-columns: repeat(2, minmax(0, 1fr)); } .grid-2 { grid-template-columns: minmax(0, 1fr); } }
input, select { min-width: 0; }

.readonly-box {
  display: flex; flex-direction: column; gap: 4px;
  padding: 9px 11px; border-radius: 8px; background: var(--accent-soft);
  justify-content: center;
}
.readonly-box strong { font-family: var(--font-mono); font-size: 16px; color: var(--accent-dark); }
.readonly-box-sm { padding: 6px 11px; }
.readonly-box-sm strong { font-size: 14px; }

.conexoes-toggle { display: flex; align-items: center; gap: 12px; margin-top: 14px; flex-wrap: wrap; }
.small { font-size: 12px; }
.conexoes-panel { margin-top: 10px; }
.conexoes-panel .conexao-qtd { width: 64px; padding: 6px 8px; }
.conexoes-panel tfoot td { font-weight: 700; border-top: 2px solid var(--border); border-bottom: none; }
.tbl-foot-label { text-align: right; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.4px; }
.conexao-leq-total.muted { font-weight: 400; }

.form-actions { margin-top: 16px; display: flex; gap: 10px; }
.form-error { color: var(--danger); font-size: 13px; min-height: 18px; white-space: pre-wrap; }

/* ---------- buttons ---------- */
.btn {
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all .15s;
}
.btn-block { width: 100%; }
.btn-sm { font-size: 13px; padding: 7px 13px; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-ghost { background: var(--surface); border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--bg2); }
.file-btn { cursor: pointer; }

/* ---------- table ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.tbl th, .tbl td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.tbl th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.4px; background: var(--bg2); }
.tbl tr:last-child td { border-bottom: none; }
.tbl-mono td { font-family: var(--font-mono); }
.tbl-link { color: var(--accent-dark); text-decoration: none; font-weight: 600; }
.tbl-link:hover { text-decoration: underline; }
.tbl-del { color: var(--danger); background: none; border: none; cursor: pointer; font-size: 12px; font-weight: 600; }
.tbl-dup { color: var(--accent-dark); background: none; border: none; cursor: pointer; font-size: 12px; font-weight: 600; margin-right: 10px; }
.status-pill { display: inline-block; padding: 2px 9px; border-radius: 99px; font-size: 11px; font-weight: 700; text-transform: uppercase; }
.status-em_andamento { background: rgba(217, 119, 6, 0.12); color: #b45309; }
.status-calculado { background: rgba(14, 124, 134, 0.12); color: var(--accent-dark); }
.status-arquivado { background: var(--bg2); color: var(--muted); }

/* ---------- tabs ---------- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab-btn {
  background: none; border: none; padding: 10px 4px; margin-right: 20px;
  font-family: var(--font-ui); font-size: 14px; font-weight: 600; color: var(--muted);
  cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab-btn.active { color: var(--accent-dark); border-bottom-color: var(--accent); }

.card-trecho { margin-bottom: 18px; }
.card-material-projeto { margin-bottom: 18px; }
.card-material-projeto .grid-trecho { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-bottom: 8px; }
.export-actions { flex-wrap: wrap; }