:root {
  --bg: #0d0d0e;
  --panel: #151517;
  --panel-2: #1b1b1e;
  --panel-3: #202024;
  --text: #f1eee8;
  --muted: #aaa69f;
  --line: #313136;
  --line-strong: #46464d;
  --accent: #e7d19f;
  --accent-dark: #1f1b12;
  --danger: #e08b8b;
  --success: #9fd3a8;
  --radius: 18px;
  --shadow: 0 24px 70px rgba(0,0,0,.32);
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, #18181b 0, var(--bg) 38rem);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}
button, input, textarea, select { font: inherit; }
a { color: var(--text); }
button, a { -webkit-tap-highlight-color: transparent; }

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 30px 0 56px;
}

h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(2rem, 5vw, 4rem); line-height: .98; letter-spacing: -.045em; margin-bottom: 18px; }
h2 { font-size: clamp(1.35rem, 3vw, 2rem); line-height: 1.1; letter-spacing: -.025em; }
h3 { font-size: 1.1rem; }
.eyebrow { font-size: .72rem; font-weight: 800; letter-spacing: .15em; color: var(--accent); margin-bottom: 10px; }
.muted, .admin-subtitle, .fine-print { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.hidden { display: none !important; }

.flash-stack { position: relative; z-index: 5; display: grid; gap: 8px; margin-bottom: 14px; }
.flash { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: #202024; }
.flash.error { border-color: #653d3d; color: #f4baba; }
.flash.success { border-color: #315139; color: #bce3c3; }
.inline-warning { padding: 14px 16px; border: 1px solid #6b5831; border-radius: 12px; background: #231e13; color: #e8d5a9; }

.panel { background: rgba(21,21,23,.96); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }

.primary-button, .secondary-button, .danger-button {
  min-height: 48px;
  border-radius: 12px;
  border: 1px solid transparent;
  padding: 11px 17px;
  font-weight: 800;
  cursor: pointer;
  transition: transform .12s ease, border-color .12s ease, background .12s ease;
}
.primary-button { background: var(--accent); color: #15130f; }
.secondary-button { background: #202024; color: var(--text); border-color: var(--line-strong); }
.danger-button { background: #2a1818; color: #f3b4b4; border-color: #6c3333; }
.primary-button:hover, .secondary-button:hover, .danger-button:hover { transform: translateY(-1px); }
.link-button { text-decoration: none; display: inline-flex; align-items: center; justify-content: center; }
.compact { min-height: 38px; padding: 8px 11px; font-size: .87rem; }

input, textarea, select {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: #0f0f11;
  color: var(--text);
  padding: 13px 14px;
  outline: none;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(231,209,159,.1); }
textarea { resize: vertical; }
label { font-size: .9rem; font-weight: 700; }
small { color: var(--muted); }

.stack-form { display: grid; gap: 12px; }
.inline-actions { display: flex; gap: 10px; }
.inline-actions > * { flex: 1; }
.inline-form { display: flex; gap: 10px; align-items: center; }
.inline-form input { max-width: 320px; }
.consent-row { display: grid; grid-template-columns: 22px 1fr; gap: 10px; align-items: start; font-weight: 500; color: #c8c3bb; }
.consent-row input { width: 18px; height: 18px; margin-top: 3px; }

/* Login / registration */
.auth-shell { max-width: 1040px; margin: 4vh auto 0; }
.auth-brand { max-width: 760px; margin-bottom: 26px; }
.auth-brand h1 { max-width: 800px; }
.ip-card { display: inline-flex; flex-direction: column; gap: 2px; padding: 12px 15px; margin: 4px 0 14px; background: #151517; border: 1px solid var(--line); border-radius: 12px; }
.ip-card span { font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); }
.ip-card strong { font-size: 1rem; }
.privacy-copy { max-width: 760px; color: var(--muted); font-size: .9rem; }
.auth-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.auth-card { padding: 24px; }
.auth-card h2 { margin-bottom: 20px; }
.register-step { display: grid; gap: 12px; }
.step-summary { padding: 10px 12px; border-radius: 10px; background: var(--panel-2); color: var(--muted); }

/* Participant portal */
.portal-shell { max-width: 960px; margin: 0 auto; }
.portal-shell.narrow { max-width: 820px; }
.portal-header, .admin-topbar { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; margin-bottom: 26px; }
.portal-header h1, .admin-topbar h1 { font-size: clamp(2rem, 4vw, 3.4rem); margin-bottom: 10px; }
.identity-line { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--muted); font-size: .82rem; }
.id-callout { display: grid; gap: 4px; padding: 16px 18px; background: var(--accent-dark); border: 1px solid #5f5338; border-radius: 14px; margin-bottom: 28px; }
.id-callout span { color: #d0c5ab; }
.portal-section { margin-top: 30px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; margin-bottom: 12px; }
.section-heading h2 { margin-bottom: 0; }
.poll-card-list, .history-list, .admin-card-list, .review-list { display: grid; gap: 10px; }
.poll-card { display: flex; gap: 18px; justify-content: space-between; align-items: center; padding: 18px; background: var(--panel); border: 1px solid var(--line); border-radius: 15px; }
.poll-card h3 { margin-bottom: 5px; }
.poll-card p { margin-bottom: 0; color: var(--muted); }
.empty-state { padding: 20px; border: 1px dashed var(--line-strong); border-radius: 14px; color: var(--muted); }
.history-row { display: flex; justify-content: space-between; gap: 18px; align-items: center; padding: 15px 16px; background: var(--panel); border: 1px solid var(--line); border-radius: 13px; text-decoration: none; }
.history-row:hover { border-color: var(--line-strong); }
.history-row span:first-child { display: grid; gap: 3px; }
.history-row small { display: block; }
.history-date { color: var(--muted); font-size: .8rem; text-align: right; }

/* Participant question screen: intentionally minimal */
.question-only-shell { width: min(780px, 100%); min-height: calc(100vh - 90px); margin: 0 auto; display: grid; place-items: center; padding: 20px 0 max(28px, env(safe-area-inset-bottom)); }
.question-form { width: 100%; }
.question-title { font-size: clamp(2rem, 6vw, 3.4rem); margin-bottom: 20px; }
.question-prompt { white-space: pre-wrap; font-size: clamp(1.08rem, 2.5vw, 1.28rem); line-height: 1.62; color: #dedad3; margin-bottom: 26px; }
.choice-list { display: grid; gap: 10px; }
.choice-button {
  width: 100%;
  min-height: 70px;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: center;
  text-align: left;
  border: 1px solid var(--line-strong);
  border-radius: 15px;
  padding: 14px 16px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  font-weight: 620;
}
.choice-button:hover, .choice-button:focus-visible { border-color: var(--accent); background: #1b1915; outline: none; }
.choice-button:disabled { opacity: .7; cursor: wait; }
.choice-key { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--accent); font-weight: 900; }
.text-answer-wrap { display: grid; gap: 12px; }
.text-answer-input, .text-answer-area { font-size: 1rem; background: var(--panel); }
.text-answer-area { min-height: 220px; }
.text-answer-wrap .primary-button { justify-self: end; min-width: 180px; }

/* Participant read-only submission */
.review-card { padding: 20px; background: var(--panel); border: 1px solid var(--line); border-radius: 15px; }
.review-card h2 { font-size: 1.25rem; margin-bottom: 8px; }
.review-card p { white-space: pre-wrap; color: #c9c5bd; }
.your-answer { white-space: pre-wrap; margin-top: 14px; padding: 14px 15px; border-left: 3px solid var(--accent); background: #1d1a14; border-radius: 9px; }

/* Admin */
.admin-shell { max-width: 1180px; margin: 0 auto; }
.admin-login-card { max-width: 460px; margin: 12vh auto 0; padding: 28px; }
.admin-actions, .row-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.admin-actions form, .row-actions form { margin: 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 10px; margin-bottom: 18px; }
.stat-card { padding: 16px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; }
.stat-card span { display: block; color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; }
.stat-card strong { display: block; font-size: 1.8rem; margin-top: 3px; }
.admin-section { margin-top: 18px; padding: 20px; }
.admin-poll-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel-2); }
.row-title { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 3px; }
.status-pill { display: inline-flex; align-items: center; padding: 3px 8px; border-radius: 999px; font-size: .7rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.status-pill.complete { background: #17331e; color: #a8d8b0; border: 1px solid #315a3a; }
.status-pill.incomplete { background: #2b281e; color: #d2c490; border: 1px solid #59503a; }
.table-scroll { overflow-x: auto; }
.admin-table { width: 100%; border-collapse: collapse; min-width: 760px; font-size: .88rem; }
.admin-table th, .admin-table td { padding: 11px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.admin-table th { color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; }
.table-sub { display: block; margin-top: 3px; font-size: .72rem; }
.ua-cell { min-width: 320px; max-width: 560px; overflow-wrap: anywhere; color: var(--muted); }
.response-meta-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 10px; }
.response-meta-grid > div { padding: 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; min-width: 0; }
.response-meta-grid span { display: block; color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .07em; }
.response-meta-grid strong { display: block; margin-top: 5px; overflow-wrap: anywhere; }
.score-chip-grid { display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: 8px; }
.score-chip { padding: 13px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 11px; }
.score-chip span, .score-chip small { display: block; color: var(--muted); }
.score-chip strong { display: block; font-size: 1.25rem; margin: 4px 0; }
.answer-review-list { display: grid; gap: 10px; }
.answer-review-card { padding: 17px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px; }
.answer-review-head { display: flex; justify-content: space-between; color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; }
.answer-review-card h3 { margin: 9px 0 7px; }
.answer-review-card p { white-space: pre-wrap; color: #c9c5bd; }
.selected-answer { white-space: pre-wrap; padding: 12px 13px; border-left: 3px solid var(--accent); background: #211e17; border-radius: 8px; }
.user-agent { padding: 13px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; color: var(--muted); font-family: ui-monospace, monospace; overflow-wrap: anywhere; }
.account-controls { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* Builder */
.builder-shell { max-width: 980px; }
.builder-form { display: grid; gap: 14px; }
.builder-meta { padding: 20px; display: grid; gap: 10px; }
.toggle-row { display: flex; flex-wrap: wrap; gap: 14px 22px; margin-top: 4px; }
.toggle-label { display: inline-flex; gap: 8px; align-items: center; color: #d4d0c8; font-weight: 600; }
.toggle-label input { width: 18px; height: 18px; }
.builder-questions { display: grid; gap: 12px; }
.builder-question { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.builder-question-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 12px 14px; background: var(--panel-2); border-bottom: 1px solid var(--line); }
.builder-question-head strong { font-size: .9rem; }
.builder-question-body { padding: 16px; display: grid; gap: 10px; }
.question-fields { display: grid; grid-template-columns: minmax(0,1fr) 180px; gap: 10px; }
.option-builder-list { display: grid; gap: 8px; }
.option-builder { display: grid; gap: 8px; padding: 11px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 11px; }
.option-main-row { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; }
.icon-button { min-width: 38px; min-height: 38px; border-radius: 9px; border: 1px solid var(--line-strong); background: #242428; color: var(--muted); cursor: pointer; }
.scoring-grid { display: grid; grid-template-columns: repeat(6, minmax(72px,1fr)); gap: 6px; }
.score-field { display: grid; gap: 3px; }
.score-field label { font-size: .62rem; color: var(--muted); }
.score-field input { padding: 8px; }
.builder-row-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.builder-bottom-actions { display: flex; justify-content: center; padding: 4px; }
.save-bar { position: sticky; bottom: 10px; display: flex; justify-content: flex-end; padding: 10px; background: rgba(13,13,14,.92); backdrop-filter: blur(8px); border-radius: 14px; z-index: 3; }
.delete-form { margin-top: 14px; }

@media (max-width: 840px) {
  .page-shell { width: min(100% - 22px, 1180px); padding: 18px 0 40px; }
  .auth-grid { grid-template-columns: 1fr; }
  .portal-header, .admin-topbar { flex-direction: column; }
  .admin-actions { width: 100%; }
  .stats-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .response-meta-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .score-chip-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .admin-poll-row { align-items: flex-start; flex-direction: column; }
  .question-fields { grid-template-columns: 1fr; }
  .scoring-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
}

@media (max-width: 560px) {
  body { background: var(--bg); }
  .page-shell { width: min(100% - 18px, 1180px); padding: 10px 0 max(28px, env(safe-area-inset-bottom)); }
  h1 { font-size: 2.35rem; }
  .auth-shell { margin-top: 0; }
  .auth-brand h1 { font-size: 2.55rem; }
  .auth-card { padding: 18px; border-radius: 15px; }
  .poll-card { align-items: stretch; flex-direction: column; padding: 15px; }
  .poll-card .primary-button { width: 100%; }
  .history-row { align-items: flex-start; flex-direction: column; gap: 7px; }
  .history-date { text-align: left; }
  .identity-line { display: grid; gap: 4px; }
  .question-only-shell { min-height: calc(100dvh - 20px); padding: 12px 2px max(18px, env(safe-area-inset-bottom)); align-items: center; }
  .question-title { font-size: 2.05rem; margin-bottom: 16px; }
  .question-prompt { font-size: 1.03rem; line-height: 1.55; margin-bottom: 20px; }
  .choice-list { gap: 9px; }
  .choice-button { min-height: 72px; padding: 12px; border-radius: 13px; grid-template-columns: 38px 1fr; font-size: .96rem; }
  .choice-key { width: 34px; height: 34px; }
  .text-answer-wrap .primary-button { width: 100%; justify-self: stretch; }
  .inline-actions, .inline-form, .account-controls { flex-direction: column; align-items: stretch; }
  .inline-form input { max-width: none; }
  .stats-grid, .response-meta-grid { grid-template-columns: 1fr 1fr; }
  .score-chip-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .admin-section { padding: 15px; }
  .row-actions { width: 100%; }
  .row-actions > *, .row-actions form, .row-actions button { flex: 1; }
  .scoring-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .builder-question-body { padding: 12px; }
}
.locked-choice-list { display: grid; gap: 5px; color: var(--muted); font-size: .9rem; margin-top: 10px; }
.duplicate-inline-form { margin-top: 14px; }
.option-actions { display: flex; gap: 5px; }