/* ─── Design tokens ──────────────────────────────────────────────────────────── */
:root {
  --bg: #f4f7f8;
  --surface: #ffffff;
  --surface-soft: #edf4f3;
  --text: #172326;
  --muted: #637174;
  --line: #d9e3e4;
  --primary: #136f63;
  --primary-dark: #0c4f47;
  --accent: #d95f43;
  --danger: #c0392b;
  --danger-bg: #fff0ed;
  --shadow: 0 4px 24px rgba(26, 48, 54, 0.08);
  --shadow-lg: 0 16px 42px rgba(26, 48, 54, 0.1);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

/* ─── Reset ──────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

h1, h2, h3, p { margin: 0; }

/* ─── Base form elements ─────────────────────────────────────────────────────── */
button, input, select, textarea { font: inherit; }

input, select, textarea {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 11px;
  color: var(--text);
  background: #fff;
  transition: border-color 0.15s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(19, 111, 99, 0.12);
}

textarea { min-height: 84px; resize: vertical; }

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.83rem;
  font-weight: 700;
}

/* ─── Buttons ────────────────────────────────────────────────────────────────── */
button, .btn, .file-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

button:hover, .btn:hover, .file-button:hover { background: var(--primary-dark); }
button:disabled { opacity: 0.4; cursor: not-allowed; }

.btn-secondary, .secondary {
  background: #fff;
  color: var(--primary);
  border-color: #b9d6d1;
}
.btn-secondary:hover, .secondary:hover { background: #e6f3ef; color: var(--primary-dark); }

.btn-danger {
  background: #fff;
  color: var(--danger);
  border-color: #f0c9c0;
}
.btn-danger:hover { background: var(--danger-bg); }

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--surface-soft); color: var(--text); }

.btn-sm { min-height: 32px; padding: 0 10px; font-size: 0.82rem; }

.file-button { background: transparent; border-color: rgba(255,255,255,0.22); }
#importFile { display: none; }

/* ─── Shared layout helpers ──────────────────────────────────────────────────── */
.eyebrow {
  text-transform: uppercase;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--primary);
}

.muted { color: var(--muted); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
}

/* ─── App header (dashboard / builder / results) ─────────────────────────────── */
.app-header {
  background: #102b30;
  color: #fff;
  padding: 0 28px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
  flex-shrink: 0;
}

.app-header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
}

.app-header-brand .brand-name {
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.app-header-brand .eyebrow {
  color: #7ec8bf;
  font-size: 0.65rem;
}

.app-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-badge {
  font-size: 0.83rem;
  color: #b7d5d0;
  font-weight: 600;
}

/* ─── Toast notifications ────────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 999;
}

.toast {
  background: #172326;
  color: #fff;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  animation: toast-in 0.2s ease;
  max-width: 320px;
}

.toast.success { background: var(--primary-dark); }
.toast.error   { background: #8b2212; }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════════════════════════════════════
   AUTH PAGE
═══════════════════════════════════════════════════════════════════════════════ */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: #0c2227;
}

.auth-card {
  background: #fff;
  border-radius: 16px;
  padding: 40px 36px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.28);
}

.auth-logo {
  margin-bottom: 28px;
}

.auth-logo .eyebrow { color: var(--primary); }
.auth-logo h1 { font-size: 1.7rem; margin-top: 4px; color: var(--text); }

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  background: var(--bg);
  border-radius: 8px;
  padding: 4px;
  margin-bottom: 24px;
}

.auth-tab {
  background: transparent;
  color: var(--muted);
  border: none;
  border-radius: 6px;
  font-weight: 600;
  min-height: 36px;
}

.auth-tab.active { background: #fff; color: var(--text); box-shadow: var(--shadow); }

.auth-form { display: grid; gap: 16px; }

.auth-submit {
  width: 100%;
  min-height: 44px;
  margin-top: 4px;
  font-size: 1rem;
}

.auth-error {
  color: var(--danger);
  font-size: 0.85rem;
  font-weight: 600;
  min-height: 20px;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   DASHBOARD PAGE
═══════════════════════════════════════════════════════════════════════════════ */
.dashboard-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.dashboard-body {
  flex: 1;
  padding: 32px 28px;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.dashboard-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.dashboard-title-row h2 { font-size: 1.6rem; }

.surveys-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}

.survey-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: box-shadow 0.15s;
}

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

.survey-card-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.3;
}

.survey-card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  color: var(--muted);
  flex-wrap: wrap;
}

.survey-card-meta span { display: flex; align-items: center; gap: 4px; }

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.73rem;
  font-weight: 700;
}

.status-badge.published { background: #d4f1eb; color: #0b5e53; }
.status-badge.draft     { background: #f0f0f0; color: var(--muted); }

.status-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.survey-card-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 4px;
}

.share-url-row {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 0.78rem;
  color: var(--muted);
  overflow: hidden;
}

.share-url-row span {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.share-url-row button {
  flex-shrink: 0;
  min-height: auto;
  padding: 3px 10px;
  font-size: 0.75rem;
}

.empty-dashboard {
  text-align: center;
  padding: 64px 24px;
  background: var(--surface);
  border: 2px dashed var(--line);
  border-radius: 16px;
  grid-column: 1 / -1;
}

.empty-dashboard h3 { font-size: 1.2rem; margin-bottom: 8px; }
.empty-dashboard p  { color: var(--muted); margin-bottom: 20px; }

/* ═══════════════════════════════════════════════════════════════════════════════
   BUILDER PAGE
═══════════════════════════════════════════════════════════════════════════════ */
.builder-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px 1fr;
}

/* ─── Sidebar ──────────────────────────────────────────────────────────────── */
.sidebar {
  background: #102b30;
  color: #fff;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar .eyebrow { color: #7ec8bf; }

.sidebar h1 {
  font-size: 1.55rem;
  line-height: 1.1;
  margin-top: 6px;
}

.sidebar label { color: #b7d5d0; }

.nav-tabs, .import-export, .language-panel { display: grid; gap: 8px; }

.tab-button {
  justify-content: flex-start;
  background: transparent;
  color: #dcebea;
  border-color: rgba(255,255,255,0.14);
  font-size: 0.9rem;
}

.tab-button.active, .tab-button:hover {
  background: #e8f3ef;
  color: #102b30;
  border-color: transparent;
}

.inline-control { display: grid; grid-template-columns: 1fr 42px; gap: 8px; }

.icon-button { padding: 0; min-width: 42px; font-size: 1.3rem; }

.language-list { display: flex; flex-wrap: wrap; gap: 6px; }

.language-pill {
  border: 1px solid rgba(255,255,255,0.16);
  color: #dcebea;
  padding: 4px 6px 4px 10px;
  border-radius: 999px;
  font-size: 0.77rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.lang-code { opacity: 0.6; }

.remove-language {
  background: transparent;
  border: none;
  color: #b7d5d0;
  min-height: auto;
  padding: 0 3px;
  font-size: 1rem;
  line-height: 1;
  border-radius: 999px;
  font-weight: 400;
}
.remove-language:hover { background: rgba(255,255,255,0.18); color: #fff; }

.sidebar-back {
  background: transparent;
  color: #b7d5d0;
  border-color: rgba(255,255,255,0.14);
  font-size: 0.83rem;
  justify-content: flex-start;
}
.sidebar-back:hover { background: rgba(255,255,255,0.08); color: #fff; }

/* ─── Builder main ─────────────────────────────────────────────────────────── */
.builder-main {
  min-width: 0;
  display: grid;
  grid-template-rows: auto 1fr;
}

.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.topbar-left { flex: 1; max-width: 480px; }
.topbar-left label { font-size: 0.78rem; }
.topbar-left input { font-size: 1rem; font-weight: 700; border: none; padding: 4px 0; border-bottom: 2px solid var(--line); border-radius: 0; }
.topbar-left input:focus { box-shadow: none; border-bottom-color: var(--primary); }

.topbar-right { display: flex; align-items: center; gap: 10px; }

.save-status {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}
.save-status.unsaved { color: var(--accent); }
.save-status.saving  { color: var(--muted); }
.save-status.saved   { color: var(--primary); }
.save-status.error   { color: var(--danger); }

.workspace { padding: 24px; overflow: auto; }

.panel { display: none; }
.panel.active { display: block; }

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 20px;
}
.panel-header h2 { font-size: 1.4rem; margin-top: 4px; }
.panel-header.compact { align-items: center; }

/* ─── Sections panel ─────────────────────────────────────────────────────────── */

.sections-list { display: grid; gap: 20px; }

.section-group {
  border: 2px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--surface-soft);
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.section-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}

.section-badge {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary);
  white-space: nowrap;
  flex-shrink: 0;
}

.section-title-input {
  flex: 1;
  min-height: 36px;
  font-size: 0.98rem;
  font-weight: 700;
  border: 1px solid transparent;
  background: transparent;
  padding: 4px 8px;
  border-radius: 6px;
  color: var(--text);
}

.section-title-input:hover { border-color: var(--line); background: #fff; }
.section-title-input:focus { background: #fff; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(19,111,99,0.1); }

.section-header-actions { display: flex; gap: 6px; align-items: center; }

.section-move-up,
.section-move-down {
  background: #fff;
  color: var(--primary);
  border-color: #b9d6d1;
}
.section-move-up:hover:not(:disabled),
.section-move-down:hover:not(:disabled) { background: #e6f3ef; }

.section-delete { min-height: 32px; }

.section-questions {
  padding: 14px;
  display: grid;
  gap: 12px;
  background: #f6fafa;
  min-height: 24px;
}

.section-empty-hint {
  color: var(--muted);
  font-size: 0.83rem;
  padding: 4px 2px;
  margin: 0;
  font-style: italic;
}

.section-footer {
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  background: var(--surface-soft);
}

.section-add-question {
  background: #fff;
  color: var(--primary);
  border-color: #b9d6d1;
  font-size: 0.85rem;
  min-height: 34px;
}
.section-add-question:hover { background: #e6f3ef; }

.section-questions .question-card {
  box-shadow: none;
  border-color: #d0e6e3;
}

/* ─── Question cards ─────────────────────────────────────────────────────────── */
.question-list, .logic-list { display: grid; gap: 14px; }

.question-card, .logic-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.question-card-header {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.logic-card-header {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.question-number {
  color: var(--muted);
  font-weight: 800;
  font-size: 0.75rem;
  white-space: nowrap;
  margin: 0;
}

.question-actions { display: flex; flex-wrap: wrap; gap: 7px; align-items: center; }

.question-move { display: flex; gap: 3px; }

.move-up, .move-down {
  min-width: 34px;
  padding: 0 7px;
  background: #fff;
  color: var(--primary);
  border-color: #b9d6d1;
  font-size: 1rem;
}
.move-up:hover:not(:disabled), .move-down:hover:not(:disabled) { background: #e6f3ef; }

.question-type { width: auto; min-width: 148px; }

.required-toggle {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--muted);
  white-space: nowrap;
}
.required-toggle input { width: auto; min-height: auto; cursor: pointer; }

.duplicate-question { background: #fff; color: var(--primary); border-color: #b9d6d1; }
.duplicate-question:hover { background: #e6f3ef; }

.remove-question, .remove-option, .remove-rule {
  background: #fff; border-color: #f0c9c0; color: #9d3924;
}
.remove-question:hover, .remove-option:hover, .remove-rule:hover {
  background: var(--danger-bg); color: #7a2717;
}

.translation-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.options-editor {
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  display: grid;
  gap: 9px;
}

.option-row {
  display: grid;
  grid-template-columns: 108px 1fr auto;
  gap: 7px;
  align-items: end;
}

.option-translations {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 7px;
}

.add-option, .add-rule {
  width: fit-content;
  background: #fff;
  color: var(--primary);
  border-color: #b9d6d1;
}
.add-option:hover, .add-rule:hover { background: #e6f3ef; }

.rules { display: grid; gap: 9px; margin-bottom: 10px; }

.rule-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto auto;
  gap: 7px;
  align-items: end;
}

.logic-card h3 { font-size: 0.98rem; }

.empty-state {
  padding: 32px 24px;
  text-align: center;
  background: var(--surface);
  border: 1px dashed var(--line);
  border-radius: 10px;
  display: grid;
  gap: 8px;
}

/* ─── Preview pane ──────────────────────────────────────────────────────────── */
.preview-grid {
  display: grid;
  grid-template-columns: minmax(300px, 1fr) 340px;
  gap: 16px;
  align-items: start;
}

.respondent-pane, .summary-pane {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.preview-controls { display: flex; align-items: center; gap: 8px; }
.preview-controls select { width: auto; min-width: 110px; min-height: 34px; padding: 4px 8px; font-size: 0.83rem; }

.preview-progress { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; min-height: 18px; }

.progress-bar { flex: 1; height: 5px; background: var(--line); border-radius: 999px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--primary); border-radius: 999px; transition: width 0.3s ease; }
.progress-label { font-size: 0.73rem; font-weight: 700; color: var(--muted); white-space: nowrap; }

.preview-stage { min-height: 360px; display: grid; align-content: start; gap: 14px; }

.answer-group { display: grid; gap: 10px; }

.required-mark { color: var(--accent); }

.choice-line { display: flex; gap: 10px; align-items: center; min-height: 34px; }
.choice-line input { width: 18px; min-height: 18px; }

.preview-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.validation-error { color: var(--accent); font-size: 0.84rem; font-weight: 600; margin: 0; }

.finish-box {
  padding: 24px 18px;
  background: #ecf8f5;
  border: 1px solid #b9d6d1;
  border-radius: 10px;
  display: grid;
  gap: 10px;
}

.finish-actions { margin-top: 6px; }

pre {
  white-space: pre-wrap;
  word-break: break-word;
  background: #0f2226;
  color: #dff4ef;
  border-radius: 8px;
  padding: 14px;
  min-height: 300px;
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.65;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   RESPOND PAGE (public survey)
═══════════════════════════════════════════════════════════════════════════════ */
.respond-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

.respond-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.respond-header-brand { display: flex; align-items: center; gap: 8px; font-weight: 800; color: var(--text); }
.respond-header-brand .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); }

.respond-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 20px;
}

.respond-survey-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 24px;
  text-align: center;
  max-width: 640px;
}

.respond-progress { width: 100%; max-width: 640px; display: flex; align-items: center; gap: 10px; margin-bottom: 28px; }
.respond-progress .progress-bar { flex: 1; height: 6px; }
.respond-progress .progress-label { font-size: 0.75rem; font-weight: 700; color: var(--muted); white-space: nowrap; }

.respond-card {
  width: 100%;
  max-width: 640px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-lg);
  padding: 32px 28px;
  display: grid;
  gap: 20px;
}

.respond-question-label {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.4;
}

.respond-answer-area { display: grid; gap: 10px; }

.respond-choice {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  font-size: 0.95rem;
}
.respond-choice:hover { border-color: var(--primary); background: #f0faf8; }
.respond-choice input { width: 18px; min-height: 18px; flex-shrink: 0; }

.respond-choice.selected { border-color: var(--primary); background: #edf8f5; }

.respond-textarea, .respond-select {
  width: 100%;
  border: 1.5px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  font-size: 0.95rem;
  min-height: 100px;
  resize: vertical;
}
.respond-textarea:focus, .respond-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(19,111,99,0.1);
}

.respond-select { min-height: 44px; }

.respond-nav { display: flex; justify-content: space-between; align-items: center; }

.respond-validation { color: var(--accent); font-size: 0.85rem; font-weight: 600; }

.respond-done {
  text-align: center;
  display: grid;
  gap: 12px;
  justify-items: center;
  padding: 24px 0;
}

.respond-done-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #d4f1eb;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.respond-done h2 { font-size: 1.4rem; }
.respond-done p { color: var(--muted); }

.respond-loading {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.95rem;
}

/* ═══════════════════════════════════════════════════════════════════════════════
   RESULTS PAGE
═══════════════════════════════════════════════════════════════════════════════ */
.results-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.results-body {
  flex: 1;
  padding: 32px 28px;
  max-width: 960px;
  margin: 0 auto;
  width: 100%;
}

.results-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.results-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px 20px;
}

.stat-value { font-size: 2rem; font-weight: 800; color: var(--primary); line-height: 1; }
.stat-label { font-size: 0.8rem; color: var(--muted); font-weight: 600; margin-top: 4px; }

.results-section { margin-bottom: 32px; }
.results-section-title { font-size: 1.15rem; font-weight: 800; margin-bottom: 14px; }

.question-result-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 12px;
}

.question-result-title { font-weight: 700; margin-bottom: 4px; }
.question-result-meta  { font-size: 0.78rem; color: var(--muted); margin-bottom: 14px; }

.option-bar-row {
  display: grid;
  grid-template-columns: 160px 1fr 52px;
  gap: 10px;
  align-items: center;
  margin-bottom: 8px;
  font-size: 0.85rem;
}

.option-bar-label { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.option-bar-track { background: var(--line); border-radius: 999px; height: 10px; overflow: hidden; }
.option-bar-fill  { height: 100%; background: var(--primary); border-radius: 999px; transition: width 0.4s ease; }

.option-bar-count { text-align: right; color: var(--muted); font-weight: 600; font-size: 0.78rem; }

.text-responses { display: grid; gap: 6px; }

.text-response-item {
  background: var(--surface-soft);
  border-radius: 6px;
  padding: 9px 12px;
  font-size: 0.87rem;
  color: var(--text);
}

.responses-table-wrap { overflow-x: auto; }

.responses-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.responses-table th {
  text-align: left;
  padding: 10px 12px;
  background: var(--surface-soft);
  border-bottom: 2px solid var(--line);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.responses-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.responses-table tr:last-child td { border-bottom: none; }
.responses-table tr:hover td { background: var(--bg); }

.answer-cell { max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ═══════════════════════════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════════════════════════ */
@media (max-width: 980px) {
  .builder-page { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .preview-grid, .topbar { grid-template-columns: 1fr; }
  .question-card-header, .logic-card-header { flex-direction: column; }
  .rule-row { grid-template-columns: 1fr 1fr; }
  .option-row { grid-template-columns: 1fr auto; }
  .option-row > label:first-child { grid-column: 1 / -1; }
  .option-bar-row { grid-template-columns: 120px 1fr 44px; }
}

@media (max-width: 640px) {
  .dashboard-body, .results-body { padding: 20px 16px; }
  .auth-card { padding: 28px 20px; }
  .respond-card { padding: 20px 16px; }
  .app-header { padding: 0 16px; }
  .rule-row { grid-template-columns: 1fr; }
  .option-bar-row { grid-template-columns: 1fr 40px; }
  .option-bar-label { display: none; }
}