:root {
  --qs-blue: #0b3d63;
  --qs-blue-dark: #072a45;
  --qs-accent: #2e9e63;
  --qs-accent-dark: #23824f;
  --qs-bg: #eef2f6;
  --qs-card: #ffffff;
  --qs-text: #1f2a37;
  --qs-muted: #6b7684;
  --qs-danger: #c0392b;
  --qs-warning: #d68910;
  --qs-radius: 12px;
  --qs-shadow: 0 2px 10px rgba(11, 61, 99, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background: var(--qs-bg);
  color: var(--qs-text);
  line-height: 1.5;
}

.qs-header {
  background: linear-gradient(135deg, var(--qs-blue) 0%, var(--qs-blue-dark) 100%);
  color: #fff;
  padding: 28px 20px;
  text-align: center;
}

.qs-header h1 {
  margin: 0 0 6px;
  font-size: 1.6rem;
}

.qs-header p {
  margin: 0;
  opacity: 0.9;
  font-size: 0.95rem;
}

.qs-container {
  max-width: 760px;
  margin: -20px auto 40px;
  padding: 0 16px;
}

.qs-card {
  background: var(--qs-card);
  border-radius: var(--qs-radius);
  box-shadow: var(--qs-shadow);
  padding: 28px;
  margin-bottom: 22px;
}

.qs-intro {
  font-size: 0.95rem;
  color: var(--qs-muted);
}

.qs-field {
  margin-bottom: 26px;
}

.qs-field label.qs-question {
  display: block;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--qs-text);
}

.qs-required { color: var(--qs-danger); margin-left: 3px; }

.qs-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #cbd5e0;
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
}

.qs-input:focus {
  outline: none;
  border-color: var(--qs-blue);
  box-shadow: 0 0 0 3px rgba(11, 61, 99, 0.15);
}

textarea.qs-input { resize: vertical; min-height: 90px; }

.qs-scale {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.qs-scale label {
  flex: 1;
  min-width: 55px;
  text-align: center;
  border: 1px solid #cbd5e0;
  border-radius: 8px;
  padding: 10px 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  font-weight: 600;
  color: var(--qs-muted);
  background: #f8fafc;
}

.qs-scale input { display: none; }

.qs-scale input:checked + span {
  color: #fff;
}

.qs-scale label:has(input:checked) {
  background: var(--qs-blue);
  border-color: var(--qs-blue);
  color: #fff;
}

.qs-scale-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--qs-muted);
  margin-top: 6px;
}

.qs-btn {
  display: inline-block;
  background: var(--qs-accent);
  color: #fff;
  border: none;
  padding: 13px 28px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease;
  text-decoration: none;
}

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

.qs-btn.qs-btn-secondary {
  background: transparent;
  color: var(--qs-blue);
  border: 1px solid var(--qs-blue);
}

.qs-btn.qs-btn-danger { background: var(--qs-danger); }
.qs-btn.qs-btn-danger:hover { background: #a5311f; }

.qs-alert {
  padding: 14px 16px;
  border-radius: 8px;
  margin-bottom: 18px;
  font-size: 0.92rem;
}

.qs-alert-error { background: #fdecea; color: var(--qs-danger); border: 1px solid #f5c6cb; }
.qs-alert-success { background: #e8f7ee; color: var(--qs-accent-dark); border: 1px solid #b7e4c7; }
.qs-alert-warning { background: #fef6e7; color: var(--qs-warning); border: 1px solid #fbe4b0; }

.qs-footer {
  text-align: center;
  color: var(--qs-muted);
  font-size: 0.8rem;
  padding: 20px;
}

/* -------- Admin -------- */
.qs-admin-wrap { display: flex; min-height: 100vh; }

.qs-sidebar {
  width: 230px;
  background: var(--qs-blue-dark);
  color: #fff;
  padding: 20px 0;
  flex-shrink: 0;
}

.qs-sidebar h2 {
  font-size: 1.05rem;
  padding: 0 20px 16px;
  margin: 0 0 12px;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.qs-sidebar a {
  display: block;
  color: #d7e3ee;
  text-decoration: none;
  padding: 11px 20px;
  font-size: 0.92rem;
}

.qs-sidebar a:hover, .qs-sidebar a.active {
  background: rgba(255,255,255,0.1);
  color: #fff;
}

.qs-main {
  flex: 1;
  padding: 26px 32px;
  max-width: 1200px;
}

.qs-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
  flex-wrap: wrap;
  gap: 10px;
}

.qs-topbar h1 { margin: 0; font-size: 1.4rem; }

.qs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.qs-stat {
  background: #fff;
  border-radius: var(--qs-radius);
  box-shadow: var(--qs-shadow);
  padding: 18px 20px;
}

.qs-stat .qs-stat-label { color: var(--qs-muted); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; }
.qs-stat .qs-stat-value { font-size: 1.9rem; font-weight: 700; margin-top: 6px; color: var(--qs-blue); }
.qs-stat.qs-stat-ok .qs-stat-value { color: var(--qs-accent-dark); }
.qs-stat.qs-stat-bad .qs-stat-value { color: var(--qs-danger); }

table.qs-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: var(--qs-radius);
  overflow: hidden;
  box-shadow: var(--qs-shadow);
}

table.qs-table th, table.qs-table td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid #edf1f5;
  font-size: 0.9rem;
}

table.qs-table th {
  background: #f4f7fa;
  color: var(--qs-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

table.qs-table tr:last-child td { border-bottom: none; }

.qs-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.qs-badge-ok { background: #e8f7ee; color: var(--qs-accent-dark); }
.qs-badge-off { background: #f1f2f4; color: var(--qs-muted); }
.qs-badge-warn { background: #fef6e7; color: var(--qs-warning); }

.qs-login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--qs-blue) 0%, var(--qs-blue-dark) 100%);
}

.qs-login-card {
  background: #fff;
  padding: 36px;
  border-radius: var(--qs-radius);
  width: 100%;
  max-width: 380px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.25);
}

.qs-login-card h1 { font-size: 1.3rem; margin-top: 0; text-align: center; color: var(--qs-blue); }

.qs-form-row { margin-bottom: 16px; }
.qs-form-row label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.9rem; }

.qs-inline-form { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

.qs-chart-card {
  background: #fff;
  border-radius: var(--qs-radius);
  box-shadow: var(--qs-shadow);
  padding: 20px;
  margin-bottom: 20px;
}

.qs-progress {
  width: 100%;
  height: 22px;
  background: #edf1f5;
  border-radius: 999px;
  overflow: hidden;
}

.qs-progress-bar {
  height: 100%;
  background: var(--qs-accent);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding-right: 8px;
  transition: width 0.4s ease;
}

.qs-progress-bar.qs-progress-bad { background: var(--qs-danger); }

.qs-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 900px) {
  .qs-admin-wrap { flex-direction: column; }
  .qs-sidebar { width: 100%; }
  .qs-two-col { grid-template-columns: 1fr; }
}

.qs-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.qs-actions form { display: inline; }

a.qs-link { color: var(--qs-blue); }

.qs-muted { color: var(--qs-muted); font-size: 0.85rem; }