:root {
  --primary: #1a73e8;
  --bg: #f4f6f9;
  --card-bg: #ffffff;
  --border: #e0e3e8;
  --text: #222;
  --muted: #777;
}

* { 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);
}

.navbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.navbar-brand a { font-weight: 700; font-size: 18px; color: var(--primary); text-decoration: none; }
.navbar-links { display: flex; align-items: center; gap: 16px; }
.navbar-links a { color: var(--text); text-decoration: none; font-size: 14px; }
.navbar-links a:hover { color: var(--primary); }
.navbar-user { font-size: 14px; color: var(--muted); }

.link-btn {
  background: none; border: none; color: var(--text); cursor: pointer; font-size: 14px; padding: 0;
}
.link-btn:hover { color: var(--primary); }

.container { max-width: 1000px; margin: 0 auto; padding: 24px; }
.public-container { max-width: 800px; padding-top: 40px; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 20px;
}

h1, h2, h3 { margin-top: 0; }

.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  text-decoration: none;
}
.btn:hover { opacity: 0.9; }
.btn-secondary { background: #6c757d; }
.btn-danger { background: #dc3545; }
.btn-sm { padding: 6px 12px; font-size: 13px; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 600; font-size: 14px; }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }

input[type=text], input[type=email], input[type=password], input[type=number], input[type=date],
input[type=file], select, textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}
textarea { resize: vertical; }

.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--muted); font-weight: 600; font-size: 13px; text-transform: uppercase; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: capitalize;
}
.badge-draft { background: #e9ecef; color: #495057; }
.badge-sent { background: #fff3cd; color: #856404; }
.badge-customer_signed { background: #cce5ff; color: #004085; }
.badge-completed { background: #d4edda; color: #155724; }

.error { background: #f8d7da; color: #721c24; padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; }
.success { background: #d4edda; color: #155724; padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; }

.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }

.sig-pad-wrap {
  border: 2px dashed var(--border);
  border-radius: 8px;
  background: #fff;
  margin-bottom: 8px;
}
.sig-pad-wrap canvas { display: block; width: 100%; height: 200px; touch-action: none; }

.agreement-content {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 16px;
  background: #fdfdfd;
}

.logo-preview { max-height: 60px; margin-bottom: 12px; display: block; }

.section-title {
  font-size: 13px; text-transform: uppercase; color: var(--muted);
  margin: 24px 0 8px; border-bottom: 1px solid var(--border); padding-bottom: 4px;
}

.muted { color: var(--muted); font-size: 13px; }