:root {
  --primary: #1a5f4a;
  --primary-dark: #0f4335;
  --accent: #c9a13b;
  --bg: #f6f4ee;
  --card: #ffffff;
  --text: #24302b;
  --muted: #6b7871;
  --border: #dfe3de;
  --error: #b3261e;
  --error-bg: #fdecea;
  --success: #1a5f4a;
  --success-bg: #e8f3ee;
  --info-bg: #fff6e0;
  --info-border: #e0c266;
}

* { 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);
  line-height: 1.5;
}

.form-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}

.page-header h1 {
  font-size: 1.4rem;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.intro {
  background: var(--card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  padding: 14px 16px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.95rem;
}

.section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 16px;
  margin-top: 18px;
}

.section h2 {
  font-size: 1.15rem;
  color: var(--primary-dark);
  margin-top: 0;
  border-bottom: 2px solid var(--border);
  padding-bottom: 10px;
}

.section-note {
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: -4px;
}

.field {
  margin-top: 18px;
}

.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.req { color: var(--error); }

input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
}

input[type="text"]:focus {
  outline: none;
  border-color: var(--primary);
}

.radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.radio-pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 16px;
  font-size: 0.9rem;
  cursor: pointer;
  background: #fff;
  transition: all .15s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.radio-pill:has(input:checked) {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.radio-pill input {
  accent-color: var(--primary);
}

.construct-block {
  margin-top: 26px;
  padding-top: 8px;
}

.construct-block h3 {
  font-size: 1rem;
  color: var(--primary-dark);
  background: var(--bg);
  padding: 8px 12px;
  border-radius: 8px;
}

.likert-item {
  padding: 14px 4px;
  border-bottom: 1px dashed var(--border);
}

.likert-item:last-child { border-bottom: none; }

.likert-statement {
  font-size: 0.95rem;
  margin: 0 0 10px;
}

.likert-scale {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
}

.likert-option {
  cursor: pointer;
  text-align: center;
}

.likert-option input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.likert-box {
  display: block;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 2px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  background: #fff;
}

.likert-box small {
  font-weight: 400;
  color: var(--muted);
}

.likert-option input:checked + .likert-box {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.likert-option input:checked + .likert-box small {
  color: #fff;
}

.btn {
  display: inline-block;
  background: var(--primary);
  color: #fff !important;
  border: none;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
}

.btn:hover { background: var(--primary-dark); }

.btn-submit {
  width: 100%;
  margin-top: 24px;
  padding: 15px;
  font-size: 1.05rem;
}

.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-top: 16px;
  font-size: 0.92rem;
}

.alert-error {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid #f2c1bd;
}

.alert-success {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid #b7dbcb;
}

.alert-info {
  background: var(--info-bg);
  color: #7a5c00;
  border: 1px solid var(--info-border);
}

.checkmark {
  width: 64px;
  height: 64px;
  line-height: 64px;
  border-radius: 50%;
  background: var(--success-bg);
  color: var(--success);
  font-size: 2rem;
  margin: 0 auto 16px;
}

form label { cursor: pointer; }

/* Admin */
.admin-topbar {
  background: var(--primary-dark);
  color: #fff;
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.admin-topbar a { color: #fff; text-decoration: none; }

.admin-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}

.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin: 20px 0;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}

.stat-card .num {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.stat-card .label {
  color: var(--muted);
  font-size: 0.85rem;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  font-size: 0.82rem;
}

table.data-table th, table.data-table td {
  border: 1px solid var(--border);
  padding: 6px 8px;
  text-align: left;
  white-space: nowrap;
}

table.data-table th {
  background: var(--bg);
  position: sticky;
  top: 0;
}

.table-scroll {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-top: 16px;
  max-height: 65vh;
}

.qr-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  margin-top: 20px;
}

.qr-box img { max-width: 220px; }

.login-box {
  max-width: 380px;
  margin: 80px auto;
  background: #fff;
  padding: 28px;
  border-radius: 12px;
  border: 1px solid var(--border);
}