:root {
  --primary: #1b5e4f;
  --primary-dark: #123d33;
  --bg: #f6f7f5;
  --card-bg: #ffffff;
  --border: #dfe3e0;
  --text: #23291f;
  --muted: #6b756a;
  --danger: #b3413a;
  --success: #2f7a4f;
  --warn: #b78103;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  background: var(--primary-dark);
  color: white;
}
.topbar-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.brand {
  color: white;
  font-weight: 700;
  text-decoration: none;
  font-size: 1.05rem;
}
.topnav {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.topnav a {
  color: #e8f0ec;
  text-decoration: none;
  font-size: 0.92rem;
}
.topnav a:hover { text-decoration: underline; }
.user-chip {
  font-size: 0.85rem;
  color: #cfe0d6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

h1 { margin-top: 0; }
h2 { margin-top: 28px; color: var(--primary-dark); border-bottom: 2px solid var(--border); padding-bottom: 6px; }
h3 { margin-top: 20px; color: var(--primary-dark); }
.muted { color: var(--muted); }

.auth-card, .form-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 24px;
}
.auth-card { max-width: 420px; margin: 40px auto; }

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 14px;
}
input, select, textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 8px 10px;
  font-size: 0.95rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
}
textarea { resize: vertical; }
fieldset {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 14px;
}
legend { font-weight: 600; font-size: 0.85rem; }
.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-weight: 400;
  margin-bottom: 8px;
}
.checkbox-row input { width: auto; margin: 2px 0 0; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 20px;
}
@media (max-width: 700px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.form-actions { margin-top: 20px; }

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 6px;
  border: none;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  font-size: 0.9rem;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-sm { padding: 6px 12px; background: var(--border); color: var(--text); }
.btn-danger { background: var(--danger); color: white; }

.signature-field { display: flex; flex-direction: column; gap: 6px; }
.signature-pad {
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  touch-action: none;
  width: 100%;
  max-width: 400px;
  cursor: crosshair;
}

.link-btn {
  background: none;
  border: none;
  color: #cfe0d6;
  text-decoration: underline;
  cursor: pointer;
  font-size: 0.9rem;
  padding: 0;
}
.link-btn.danger { color: var(--danger); text-decoration: underline; }

.alert {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}
.alert-error { background: #fbeceb; color: var(--danger); border: 1px solid #f0c9c5; }
.alert-success { background: #e9f5ec; color: var(--success); border: 1px solid #c6e6cf; }

.app-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.app-table th, .app-table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.app-table th { background: #eef2ef; font-weight: 600; }

.empty-state {
  padding: 40px;
  text-align: center;
  color: var(--muted);
  background: var(--card-bg);
  border: 1px dashed var(--border);
  border-radius: 10px;
}

.status-badge, .role-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: capitalize;
}
.status-pending_sw { background: #fff3cd; color: #8a6300; }
.status-pending_receipt { background: #ffc0d9; color: #c2185b; }
.status-pending_mgmt { background: #dce8fb; color: #1d4e89; }
.status-pending_finance { background: #f3e3fb; color: #6a2ea3; }
.status-approved { background: #dcf1e2; color: var(--success); }
.status-paid { background: #dcf1e2; color: var(--success); }
.status-rejected { background: #fbe0de; color: var(--danger); }

.role-badge { background: #e4e9e5; color: var(--primary-dark); }

.detail-grid {
  display: grid;
  gap: 10px;
  font-size: 0.92rem;
}

.demo-creds { margin-top: 20px; font-size: 0.85rem; color: var(--muted); }
.demo-creds ul { padding-left: 18px; }

.file-list { list-style: none; padding: 0; margin: -4px 0 12px; }
.file-list li { display: flex; align-items: center; gap: 8px; padding: 4px 0; font-size: 0.9em; }