:root {
  --green: #128C7E;
  --green-dark: #075E54;
  --bg: #f4f6f7;
  --card-bg: #ffffff;
  --border: #dfe3e6;
  --text: #1f2937;
  --muted: #6b7280;
  --error: #d92d20;
  --ok: #067647;
}

* { 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);
}

.hidden { display: none !important; }

/* Login */
.center-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--green-dark), var(--green));
}
.login-card {
  width: 320px;
}
.login-card h1 {
  font-size: 20px;
  margin: 0 0 20px;
  text-align: center;
  color: var(--green-dark);
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
  margin-bottom: 20px;
}

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  margin: 12px 0 4px;
}
label.mt { margin-top: 20px; }

input[type="text"],
input[type="password"],
input[type="file"],
textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}
textarea { resize: vertical; }

button {
  cursor: pointer;
  font-family: inherit;
}

.primary-btn {
  background: var(--green);
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  margin-top: 14px;
}
.primary-btn:hover { background: var(--green-dark); }

.secondary-btn {
  background: white;
  color: var(--green-dark);
  border: 1px solid var(--green);
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  margin-top: 8px;
}

.link-btn {
  background: none;
  border: none;
  color: white;
  text-decoration: underline;
  font-size: 13px;
}

.error-text {
  color: var(--error);
  font-size: 13px;
  min-height: 16px;
  margin-top: 10px;
}

/* Top bar / tabs */
.topbar {
  background: var(--green-dark);
  color: white;
  padding: 14px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand { font-weight: 700; font-size: 16px; }
.user-info { display: flex; gap: 14px; align-items: center; font-size: 13px; }

.tabs {
  display: flex;
  gap: 4px;
  background: white;
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
}
.tab-btn {
  background: none;
  border: none;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  border-bottom: 3px solid transparent;
}
.tab-btn.active {
  color: var(--green-dark);
  border-bottom-color: var(--green);
}

.content {
  max-width: 780px;
  margin: 24px auto;
  padding: 0 20px;
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.variables-list { display: flex; flex-direction: column; gap: 8px; margin-top: 6px; }
.variables-list .var-row { display: flex; gap: 8px; align-items: center; }
.variables-list .var-row input { flex: 1; }
.variables-list .var-row button {
  background: #fee4e2;
  color: var(--error);
  border: none;
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 12px;
}

.radio-row { display: flex; gap: 20px; font-size: 14px; margin-top: 6px; }
.radio-row label { display: flex; align-items: center; gap: 6px; font-weight: 400; color: var(--text); margin: 0; }

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

.status-box {
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 13px;
}
.status-box.info { background: #eef6ff; color: #1849a9; }
.status-box.success { background: #ecfdf3; color: var(--ok); }
.status-box.error { background: #fee4e2; color: var(--error); }

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
  font-size: 13px;
}
th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th { color: var(--muted); font-weight: 600; }

.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}
.pill.ok { background: #ecfdf3; color: var(--ok); }
.pill.fail { background: #fee4e2; color: var(--error); }

.results-list { margin-top: 12px; font-size: 13px; }
.results-list .res-row {
  padding: 8px 10px;
  border-radius: 6px;
  margin-bottom: 6px;
  background: #f9fafb;
  border: 1px solid var(--border);
}