:root {
  --bg: #0f0f14;
  --bg-card: #1a1a24;
  --bg-hover: #242433;
  --text: #e8e8f0;
  --text-muted: #9898b0;
  --accent: #7c5cfc;
  --accent-light: #9d85ff;
  --accent-glow: rgba(124, 92, 252, 0.25);
  --border: #2e2e42;
  --success: #3dd68c;
  --warning: #f5a623;
  --danger: #ff5c7a;
  --radius: 12px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, var(--accent-glow), transparent),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(61, 214, 140, 0.06), transparent);
  pointer-events: none;
  z-index: -1;
}

a {
  color: var(--accent-light);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

header.site-header {
  text-align: center;
  padding: 3rem 1.5rem 2rem;
}

header.site-header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

header.site-header p {
  color: var(--text-muted);
  margin-top: 0.75rem;
  max-width: 600px;
  margin-inline: auto;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.card + .card {
  margin-top: 1.25rem;
}

.card h2 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.survey-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
  margin-top: 2rem;
}

.survey-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
  color: inherit;
  display: block;
}

.survey-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px var(--accent-glow);
}

.survey-card .badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: var(--accent-glow);
  color: var(--accent-light);
  margin-bottom: 0.75rem;
}

.survey-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.survey-card .meta {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

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

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--accent);
}

.progress-bar {
  height: 6px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.progress-bar .fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: 999px;
  transition: width 0.3s ease;
}

.quiz-header {
  margin-bottom: 2rem;
}

.quiz-header h2 {
  font-size: 1.5rem;
}

.quiz-header .progress-text {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 0.25rem;
}

.question-block {
  margin-bottom: 2rem;
}

.question-block .q-number {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.question-block .q-text {
  font-size: 1.05rem;
  margin: 0.5rem 0 1rem;
  line-height: 1.55;
}

.scale-options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.scale-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.scale-option:hover {
  border-color: var(--accent);
  background: var(--bg-hover);
}

.scale-option.selected {
  border-color: var(--accent);
  background: var(--accent-glow);
}

.scale-option input {
  accent-color: var(--accent);
  width: 18px;
  height: 18px;
}

.scale-option label {
  cursor: pointer;
  flex: 1;
  font-size: 0.95rem;
}

.quiz-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.result-dimension {
  margin-bottom: 1.5rem;
}

.result-dimension h3 {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.score-badge {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-light);
}

.score-bar {
  height: 10px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin: 0.5rem 0 0.75rem;
}

.score-bar .fill {
  height: 100%;
  border-radius: 999px;
  transition: width 0.6s ease;
}

.score-bar .fill.low { background: var(--success); }
.score-bar .fill.moderate { background: var(--warning); }
.score-bar .fill.high { background: var(--danger); }

.level-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  margin-bottom: 0.5rem;
}

.level-tag.low { background: rgba(61, 214, 140, 0.15); color: var(--success); }
.level-tag.moderate { background: rgba(245, 166, 35, 0.15); color: var(--warning); }
.level-tag.high { background: rgba(255, 92, 122, 0.15); color: var(--danger); }

.interpretation {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.disclaimer {
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  background: rgba(245, 166, 35, 0.08);
  border: 1px solid rgba(245, 166, 35, 0.2);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.admin-login {
  max-width: 400px;
  margin: 4rem auto;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--text-muted);
}

.form-group input {
  width: 100%;
  padding: 0.7rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent);
}

.table-wrap {
  overflow-x: auto;
  margin-top: 1.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

th, td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

tr:hover td {
  background: var(--bg-hover);
}

.error-msg {
  color: var(--danger);
  font-size: 0.9rem;
  margin-top: 0.5rem;
}

.loading {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}

.footer-nav {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
}

.footer-nav a {
  margin: 0 1rem;
  font-size: 0.9rem;
}

.hidden {
  display: none !important;
}

@media (max-width: 600px) {
  header.site-header h1 {
    font-size: 1.6rem;
  }

  .quiz-actions {
    flex-direction: column;
    gap: 0.75rem;
  }

  .quiz-actions .btn {
    width: 100%;
  }
}