/* ── CSS Variables ─────────────────────────────────────────────────────────── */
:root {
  --color-primary: #1a365d;
  --color-primary-dark: #0f2444;
  --color-accent: #3182ce;
  --color-accent-hover: #2b6cb0;
  --color-bg: #f7fafc;
  --color-white: #ffffff;
  --color-text: #2d3748;
  --color-text-light: #718096;
  --color-border: #e2e8f0;
  --color-border-focus: #3182ce;
  --color-success: #38a169;
  --color-success-light: #f0fff4;
  --color-error: #e53e3e;
  --color-error-light: #fff5f5;
  --color-warning: #d69e2e;
  --color-card: #ffffff;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-lg: 0 10px 30px rgba(0,0,0,0.10), 0 4px 10px rgba(0,0,0,0.05);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: 0.2s ease;
}

/* ── Reset & Base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

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

/* ── Typography ────────────────────────────────────────────────────────────── */
h1, h2, h3, h4 { line-height: 1.3; font-weight: 700; }
h1 { font-size: clamp(1.5rem, 4vw, 2rem); }
h2 { font-size: clamp(1.2rem, 3vw, 1.5rem); }
h3 { font-size: 1.1rem; }

/* ── Layout ────────────────────────────────────────────────────────────────── */
.page-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, #2c5282 100%);
  color: var(--color-white);
  padding: 20px 24px;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.page-header h1 {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-header .subtitle {
  max-width: 900px;
  margin: 4px auto 0;
  font-size: 0.85rem;
  opacity: 0.8;
}

.main-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 16px 64px;
}

/* ── Cards ─────────────────────────────────────────────────────────────────── */
.card {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: 28px 28px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  margin-bottom: 20px;
  transition: box-shadow var(--transition);
}

.card:hover { box-shadow: var(--shadow-lg); }

/* ── Buttons ───────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-primary:not(:disabled):hover { background: var(--color-accent-hover); transform: translateY(-1px); }

.btn-success {
  background: var(--color-success);
  color: var(--color-white);
}
.btn-success:not(:disabled):hover { background: #276749; transform: translateY(-1px); }

.btn-danger {
  background: var(--color-error);
  color: var(--color-white);
}
.btn-danger:not(:disabled):hover { background: #c53030; transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}
.btn-outline:not(:disabled):hover { background: var(--color-accent); color: var(--color-white); }

.btn-sm { padding: 6px 14px; font-size: 0.82rem; }

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
  width: 100%;
  justify-content: center;
  border-radius: var(--radius-md);
}

/* ── Form Elements ─────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
  font-size: 0.9rem;
}

.form-input, .form-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-white);
  transition: border-color var(--transition);
  resize: vertical;
}

.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(49,130,206,0.15);
}

.form-textarea {
  min-height: 120px;
}

.char-count {
  text-align: right;
  font-size: 0.78rem;
  color: var(--color-text-light);
  margin-top: 4px;
}

/* ── Waiting State ─────────────────────────────────────────────────────────── */
.waiting-state {
  text-align: center;
  padding: 64px 24px;
  animation: fadeIn 0.5s ease;
}

.waiting-state h2 {
  color: var(--color-text-light);
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.pulse-dot {
  display: inline-flex;
  gap: 8px;
  margin-top: 16px;
}

.pulse-dot span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 1.4s ease-in-out infinite;
}

.pulse-dot span:nth-child(2) { animation-delay: 0.2s; }
.pulse-dot span:nth-child(3) { animation-delay: 0.4s; }

@keyframes pulse {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* ── Question Form ─────────────────────────────────────────────────────────── */
.question-card {
  animation: slideIn 0.4s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.question-text {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 24px;
  line-height: 1.5;
}

/* ── Scale Multi ───────────────────────────────────────────────────────────── */
.scale-label {
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
  padding: 10px 14px;
  background: #ebf4ff;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-accent);
  line-height: 1.5;
}

.scale-item {
  margin-bottom: 24px;
  padding: 16px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.scale-item-text {
  font-weight: 600;
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.scale-item-other-input {
  margin-top: 10px;
}

.scale-buttons {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.scale-btn {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: var(--color-white);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--color-text);
}

.scale-btn:hover {
  border-color: var(--color-accent);
  background: #ebf4ff;
  color: var(--color-accent);
}

.scale-btn.selected {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
  transform: scale(1.1);
}

/* ── Matrix ────────────────────────────────────────────────────────────────── */
.matrix-description {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 20px;
  padding: 10px 14px;
  background: #ebf4ff;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-accent);
}

.matrix-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 16px;
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 500px;
  font-size: 0.88rem;
}

.matrix-table th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 10px 12px;
  text-align: center;
  font-weight: 600;
  border: 1px solid #2c5282;
}

.matrix-table th:first-child { text-align: left; }

.matrix-table td {
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  text-align: center;
  vertical-align: middle;
}

.matrix-table td:first-child {
  text-align: left;
  font-weight: 500;
  background: #f0f4f8;
  max-width: 200px;
}

.matrix-table tbody tr:nth-child(even) td:first-child { background: #e8edf3; }

.matrix-cell {
  cursor: pointer;
  min-width: 80px;
  position: relative;
  transition: background-color var(--transition);
  border-radius: 4px;
}

.matrix-cell:hover { background: #ebf4ff !important; }

.matrix-cell.filled {
  font-weight: 700;
  color: var(--color-accent);
}

.matrix-cell-value {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  font-size: 0.9rem;
  transition: all var(--transition);
}

.matrix-cell.filled .matrix-cell-value {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

/* Matrix popup */
.matrix-popup {
  position: fixed;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  padding: 12px;
  z-index: 1000;
  display: none;
  animation: popupIn 0.15s ease;
}

.matrix-popup.visible { display: block; }

@keyframes popupIn {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}

.matrix-popup-title {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-bottom: 8px;
  text-align: center;
}

.matrix-popup-values {
  display: flex;
  gap: 6px;
}

.matrix-popup-value {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background: var(--color-white);
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.matrix-popup-value:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
}

.popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: none;
}
.popup-overlay.visible { display: block; }

/* ── Status Messages ───────────────────────────────────────────────────────── */
.status-message {
  text-align: center;
  padding: 32px 24px;
  animation: fadeIn 0.4s ease;
}

.status-message .status-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.status-message h2 {
  color: var(--color-primary);
  margin-bottom: 8px;
}

.status-message p {
  color: var(--color-text-light);
}

/* ── Results ───────────────────────────────────────────────────────────────── */
.results-card {
  animation: slideIn 0.4s ease;
}

.results-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.results-header h2 {
  color: var(--color-primary);
}

.results-count {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

/* Bar charts for scale_multi */
.result-item-section {
  margin-bottom: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}

.result-item-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.result-item-title {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.result-average {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.bar-chart { display: flex; flex-direction: column; gap: 6px; }

.bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.bar-label {
  width: 20px;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-light);
  flex-shrink: 0;
}

.bar-track {
  flex: 1;
  height: 22px;
  background: var(--color-bg);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent), #63b3ed);
  border-radius: 4px;
  transition: width 0.8s ease;
  min-width: 2px;
}

.bar-count {
  width: 32px;
  text-align: right;
  font-size: 0.78rem;
  color: var(--color-text-light);
  flex-shrink: 0;
}

/* Text entries for "other" items */
.text-entries { margin-top: 12px; }
.text-entries-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-light);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.text-entry {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 8px 12px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  border: 1px solid var(--color-border);
}

.text-entry-text { font-size: 0.88rem; flex: 1; }
.text-entry-score {
  font-weight: 700;
  color: var(--color-accent);
  font-size: 0.85rem;
  white-space: nowrap;
}

/* Open text results */
.open-text-answer {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 10px;
  font-size: 0.9rem;
  line-height: 1.6;
  animation: fadeIn 0.3s ease;
}

/* Matrix results */
.matrix-results-section { margin-bottom: 32px; }

.matrix-results-section h3 {
  color: var(--color-primary);
  margin-bottom: 14px;
  font-size: 1rem;
}

.results-matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  overflow: hidden;
  border-radius: var(--radius-md);
  min-width: 400px;
}

.results-matrix-table th {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 10px 12px;
  text-align: center;
  font-weight: 600;
  border: 1px solid #2c5282;
  font-size: 0.82rem;
}

.results-matrix-table th:first-child { text-align: left; }

.results-matrix-table td {
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  text-align: center;
  font-weight: 700;
  font-size: 0.95rem;
  transition: background-color 0.3s;
}

.results-matrix-table td:first-child {
  text-align: left;
  font-weight: 500;
  font-size: 0.83rem;
  background: #f0f4f8 !important;
}

/* ── Admin Styles ──────────────────────────────────────────────────────────── */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 400px;
  animation: slideIn 0.4s ease;
}

.login-card h2 { color: var(--color-primary); margin-bottom: 8px; }
.login-card .login-subtitle { color: var(--color-text-light); margin-bottom: 28px; font-size: 0.9rem; }

.admin-layout { min-height: 100vh; }

.admin-main { max-width: 1100px; margin: 0 auto; padding: 24px 16px 64px; }

.admin-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.admin-toolbar h2 { color: var(--color-primary); }

.question-admin-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-border);
  margin-bottom: 16px;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.question-admin-card.active {
  border-color: var(--color-success);
  box-shadow: 0 0 0 3px rgba(56,161,105,0.15);
}

.question-admin-card.closed {
  border-color: var(--color-border);
  opacity: 0.85;
}

.question-admin-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  flex-wrap: wrap;
}

.question-admin-meta { flex: 1; min-width: 200px; }

.question-admin-type {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 2px 8px;
  border-radius: 4px;
  background: #ebf4ff;
  color: var(--color-accent);
  margin-bottom: 6px;
}

.question-admin-text {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
}

.question-admin-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
  flex-shrink: 0;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 700;
}

.status-badge.inactive {
  background: #f7fafc;
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
}

.status-badge.active {
  background: #f0fff4;
  color: var(--color-success);
  border: 1px solid #9ae6b4;
}

.status-badge.closed {
  background: #f7fafc;
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.status-badge.active .status-dot {
  animation: blink 1s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.vote-counter {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ebf4ff;
  color: var(--color-accent);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 700;
}

/* Admin results panel */
.admin-results {
  padding: 0 20px 20px;
  border-top: 1px solid var(--color-border);
  margin-top: 0;
}

.admin-results-toggle {
  padding: 10px 20px;
  border-top: 1px solid var(--color-border);
  display: flex;
  gap: 8px;
}

/* Error toast */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--color-error);
  color: var(--color-white);
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 2000;
  animation: slideIn 0.3s ease;
  max-width: 320px;
}

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
  .card { padding: 20px 16px; }
  .scale-buttons { gap: 4px; }
  .scale-btn { width: 36px; height: 36px; font-size: 0.82rem; }
  .question-admin-header { flex-direction: column; }
  .question-admin-actions { width: 100%; }
  .admin-toolbar { flex-direction: column; align-items: flex-start; }
  .matrix-table { font-size: 0.78rem; }
  .matrix-table th, .matrix-table td { padding: 8px; }
}

/* ── Utility ───────────────────────────────────────────────────────────────── */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-muted { color: var(--color-text-light); font-size: 0.88rem; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.divider { height: 1px; background: var(--color-border); margin: 20px 0; }