:root {
  --bg: #eef2f5;
  --surface: #ffffff;
  --surface-2: #f7fafc;
  --line: #d7e0e7;
  --text: #172331;
  --muted: #627489;
  --blue: #1f6ea8;
  --blue-soft: #e5f1fa;
  --green: #1d8a59;
  --green-soft: #e4f5ec;
  --amber: #a96d00;
  --amber-soft: #fff1cf;
  --red: #b03a32;
  --red-soft: #fde8e5;
  --shadow: 0 10px 30px rgba(30, 48, 70, 0.10);
  font-family: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: 0.55; }

.login-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(360px, 520px) 1fr;
  background: linear-gradient(90deg, #f8fbfd 0%, #eef3f7 58%, #dfe8ee 100%);
}
.login-card {
  align-self: center;
  margin-left: max(36px, 8vw);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  box-shadow: var(--shadow);
}
.login-side {
  display: flex;
  align-items: center;
  padding: 48px;
}
.login-side-inner {
  width: min(720px, 100%);
  border-left: 4px solid var(--blue);
  padding-left: 28px;
}
.login-title { font-size: 30px; line-height: 1.15; margin: 0 0 10px; }
.login-note { color: var(--muted); line-height: 1.55; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 244px 1fr; }
.sidebar {
  background: #152636;
  color: #e7eef4;
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.brand { padding: 8px 10px 14px; border-bottom: 1px solid rgba(255,255,255,0.14); }
.brand strong { display: block; font-size: 20px; }
.brand span { display: block; margin-top: 4px; color: #9fb4c6; font-size: 12px; }
.nav { display: grid; gap: 6px; }
.nav button {
  width: 100%;
  text-align: left;
  border: 0;
  border-radius: 7px;
  padding: 10px;
  background: transparent;
  color: #d8e4ed;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav button.active { background: #23445d; color: #fff; }
.nav button:hover { background: #20384d; }
.sidebar-footer { margin-top: auto; color: #9fb4c6; font-size: 12px; line-height: 1.45; padding: 8px 10px; }

.main { min-width: 0; display: grid; grid-template-rows: auto 1fr; }
.topbar {
  min-height: 68px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 24px;
  position: sticky;
  top: 0;
  z-index: 5;
}
.topbar h1 { margin: 0; font-size: 22px; }
.topbar-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.content { padding: 22px 24px 34px; }

.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: minmax(0, 1.45fr) minmax(320px, 0.8fr); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.dashboard { grid-template-columns: minmax(0, 1.4fr) minmax(340px, 0.8fr); align-items: start; }

.panel, .card, .table-panel, .form-panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(28, 45, 63, 0.04);
}
.panel, .form-panel { padding: 16px; }
.table-panel { overflow: hidden; }
.card { padding: 14px; }
.section-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 12px; }
.section-head h2, .panel h2, .form-panel h2 { margin: 0; font-size: 18px; }
.subtle { color: var(--muted); font-size: 13px; line-height: 1.45; }
.small { font-size: 12px; }
.strong { font-weight: 700; }

.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 14px; }
.kpi strong { display: block; font-size: 26px; }
.kpi span { color: var(--muted); font-size: 13px; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 11px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: #53687c; background: #f8fafc; font-size: 12px; text-transform: uppercase; letter-spacing: 0; }
tr:last-child td { border-bottom: 0; }
.table-scroll { overflow: auto; }

label { display: grid; gap: 6px; color: #30465a; font-size: 13px; font-weight: 700; }
input, select, textarea {
  width: 100%;
  border: 1px solid #cbd7e2;
  border-radius: 6px;
  padding: 9px 10px;
  color: var(--text);
  background: #fff;
  min-height: 38px;
}
textarea { min-height: 90px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.form-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

.btn, .btn-secondary, .btn-ghost, .btn-danger, .btn-small {
  border: 1px solid transparent;
  border-radius: 6px;
  min-height: 38px;
  padding: 8px 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  white-space: nowrap;
}
.btn { background: var(--blue); color: #fff; }
.btn-secondary { background: var(--green-soft); color: #146842; border-color: #bfe4cf; }
.btn-ghost { background: #f4f7fa; color: #29475f; border-color: var(--line); }
.btn-danger { background: var(--red-soft); color: var(--red); border-color: #f3c7c1; }
.btn-small { min-height: 30px; padding: 5px 8px; font-size: 12px; background: #eef4f8; color: #27465c; border-color: var(--line); }

.badge { display: inline-flex; align-items: center; min-height: 24px; border-radius: 6px; padding: 2px 8px; font-size: 12px; font-weight: 800; }
.badge.blue { background: var(--blue-soft); color: var(--blue); }
.badge.green { background: var(--green-soft); color: var(--green); }
.badge.amber { background: var(--amber-soft); color: var(--amber); }
.badge.red { background: var(--red-soft); color: var(--red); }
.badge.gray { background: #edf1f5; color: #50677c; }

.list { display: grid; gap: 8px; }
.list-item { border: 1px solid var(--line); border-radius: 7px; padding: 10px; background: #fbfdfe; }
button.list-item { width: 100%; text-align: left; }
.list-item.selected { border-color: #82b6da; background: #f0f7fc; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.row.start { align-items: flex-start; }
.stack { display: grid; gap: 12px; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }

.risk-list { display: grid; gap: 8px; }
.risk { border-left: 4px solid #9fb2c1; background: #f7fafc; padding: 10px; border-radius: 6px; }
.risk.bad { border-color: var(--red); background: var(--red-soft); }
.risk.warn { border-color: var(--amber); background: var(--amber-soft); }
.risk.ok { border-color: var(--green); background: var(--green-soft); }

.timeline { display: grid; gap: 8px; max-height: 460px; overflow: auto; }
.timeline-item { padding: 10px; border: 1px solid var(--line); border-radius: 7px; background: #fbfdfe; }
.timeline-item time { color: var(--muted); font-size: 12px; }

.pdf-pages { display: flex; flex-wrap: wrap; gap: 6px; }
.page-chip { width: 34px; height: 32px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line); border-radius: 6px; background: #f7fafc; font-weight: 700; }
.sync-box { background: #f9fbfc; border: 1px dashed #b6c6d4; border-radius: 8px; padding: 12px; }
.hidden { display: none !important; }
.empty { padding: 18px; color: var(--muted); text-align: center; border: 1px dashed var(--line); border-radius: 8px; background: #fafcfd; }
.file-link { color: var(--blue); font-weight: 700; text-decoration: none; }
.file-link:hover { text-decoration: underline; }

@media (max-width: 1160px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .nav { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .sidebar-footer { display: none; }
  .grid.dashboard, .grid.cols-2 { grid-template-columns: 1fr; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 720px) {
  .login-page { grid-template-columns: 1fr; }
  .login-card { margin: 20px; }
  .login-side { padding: 24px; }
  .topbar { height: auto; padding: 14px; display: grid; gap: 10px; }
  .content { padding: 14px; }
  .nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpis, .grid.cols-3, .form-grid, .form-grid.cols-3 { grid-template-columns: 1fr; }
  .row { align-items: flex-start; flex-direction: column; }
}