/* ── Design tokens ─────────────────────────────────────────── */
:root {
  --page-bg:      #f5f5f7;
  --card-bg:      #ffffff;
  --card-border:  rgba(0, 0, 0, 0.08);
  --accent:       #c9a84c;
  --accent-dark:  #a8882e;
  --text:         #000000;
  --text-muted:   #111111;
  --radius:       18px;
  --shadow:       0 4px 24px rgba(0,0,0,0.07), 0 1px 4px rgba(0,0,0,0.05);
  --shadow-lg:    0 12px 48px rgba(0,0,0,0.10), 0 2px 8px rgba(0,0,0,0.06);
  --amp-bg:       #ffffff;
}

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

body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: 'Inter', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  background: var(--page-bg);
  color: var(--text);
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 2px; }

/* ── Animations ────────────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Card (welcome / instructions / debrief / break) ───────── */
.welcome-box {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text);
  padding: 52px 60px;
  max-width: 860px;
  margin: 10vh auto;
  border-radius: var(--radius);
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: fadeUp 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.welcome-box h1 {
  font-size: 2.1rem;
  font-weight: 700;
  letter-spacing: -0.028em;
  line-height: 1.15;
  margin: 6px 0 22px;
  color: var(--text);
}

.welcome-box h2 {
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 6px 0 18px;
  color: var(--text);
}

.welcome-box h3 {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin: 0 0 6px;
}

.welcome-box p {
  text-align: left;
  line-height: 1.78;
  color: var(--text-muted);
  margin: 10px 0;
  font-size: 15px;
}

/* ── Badge ─────────────────────────────────────────────────── */
.exp-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dark);
  border: 1px solid rgba(168, 136, 46, 0.35);
  border-radius: 100px;
  padding: 5px 16px;
  margin-bottom: 22px;
  background: rgba(201, 168, 76, 0.07);
}

/* ── Divider ───────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--card-border);
  margin: 28px 0;
}

/* ── Consent area ──────────────────────────────────────────── */
.consent-area {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: #f9f9fb;
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 17px 20px;
  margin-top: 28px;
  text-align: left;
  cursor: pointer;
  transition: background 0.18s, border-color 0.18s;
}
.consent-area:hover {
  background: #f0f0f5;
  border-color: rgba(0,0,0,0.14);
}
.consent-area input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--accent-dark);
  flex-shrink: 0;
  cursor: pointer;
}
.consent-area span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ── Warning banner ────────────────────────────────────────── */
.warning-banner {
  background: #fffbf0;
  border: 1px solid rgba(201, 168, 76, 0.35);
  border-radius: 11px;
  padding: 13px 18px;
  color: #7a6020;
  font-size: 13.5px;
  line-height: 1.65;
  text-align: left;
  margin: 18px 0 6px;
}

/* ── Instructions list ─────────────────────────────────────── */
.instructions-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
  text-align: left;
}
.instructions-list li {
  position: relative;
  padding: 12px 0 12px 22px;
  border-bottom: 1px solid var(--card-border);
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.65;
}
.instructions-list li:last-child { border-bottom: none; }
.instructions-list li::before {
  content: '•';
  color: var(--text-muted);
  font-size: 1em;
  position: absolute;
  left: 4px;
  top: 12px;
}

/* ── CTA / Start button ────────────────────────────────────── */
.start-btn {
  display: block;
  margin: 30px auto 0;
  padding: 14px 44px;
  font-family: 'Inter', Arial, sans-serif;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  border-radius: 11px;
  background: var(--text);
  color: #ffffff;
  cursor: pointer;
  transition: background 0.22s, transform 0.18s, box-shadow 0.22s;
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
}
.start-btn:hover:not(:disabled) {
  background: #2c2c3a;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.22);
}
.start-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* ── Global jsPsych button override ───────────────────────── */
.jspsych-btn {
  font-family: 'Inter', Arial, sans-serif !important;
  font-size: 12.5px !important;
  font-weight: 700 !important;
  letter-spacing: 0.1em !important;
  text-transform: uppercase !important;
  padding: 13px 36px !important;
  border-radius: 11px !important;
  border: 1.5px solid rgba(0,0,0,0.15) !important;
  background: var(--card-bg) !important;
  color: var(--text) !important;
  cursor: pointer !important;
  transition: background 0.2s, border-color 0.2s, transform 0.18s, box-shadow 0.2s !important;
  box-shadow: 0 2px 6px rgba(0,0,0,0.07) !important;
}
.jspsych-btn:hover {
  background: #f0f0f5 !important;
  border-color: rgba(0,0,0,0.25) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 18px rgba(0,0,0,0.12) !important;
}

/* ── AMP response buttons ──────────────────────────────────── */
.amp-response-btn {
  font-family: 'Inter', Arial, sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 44px;
  border-radius: 11px;
  border: 1.5px solid rgba(0,0,0,0.15);
  background: #ffffff;
  color: var(--text);
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  transition: background 0.2s, border-color 0.2s, transform 0.18s, box-shadow 0.2s;
}
.amp-response-btn:hover {
  background: #f5f5f7;
  border-color: rgba(0,0,0,0.28);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.13);
}

/* ── Questionnaire form submit ─────────────────────────────── */
#jspsych-survey-html-form-next {
  font-family: 'Inter', Arial, sans-serif !important;
  font-size: 12.5px !important;
  font-weight: 700 !important;
  letter-spacing: 0.1em !important;
  text-transform: uppercase !important;
  padding: 13px 42px !important;
  border-radius: 11px !important;
  border: none !important;
  background: var(--text) !important;
  color: #ffffff !important;
  cursor: pointer !important;
  transition: background 0.22s, transform 0.18s, box-shadow 0.22s !important;
  box-shadow: 0 2px 8px rgba(0,0,0,0.18) !important;
  margin: 28px auto 0 !important;
  display: block !important;
  width: fit-content !important;
}
#jspsych-survey-html-form-next:hover {
  background: #2c2c3a !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 20px rgba(0,0,0,0.22) !important;
}

/* ── Questionnaire card ────────────────────────────────────── */
.questionnaire {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  color: var(--text);
  padding: 44px 52px;
  max-width: 680px;
  margin: 5vh auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  animation: fadeUp 0.55s cubic-bezier(0.22, 1, 0.36, 1) both;
  text-align: left;
}
.questionnaire h2 {
  margin-top: 0;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  margin-bottom: 6px;
  color: var(--text);
}
.questionnaire p {
  margin: 16px 0 6px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
}
.questionnaire input[type="number"] {
  background: #f9f9fb;
  border: 1.5px solid rgba(0,0,0,0.12);
  border-radius: 9px;
  color: var(--text);
  padding: 10px 14px;
  font-size: 15px;
  width: 115px;
  margin-top: 6px;
  font-family: 'Inter', Arial, sans-serif;
  transition: border-color 0.2s, background 0.2s;
}
.questionnaire select {
  background: #f9f9fb;
  border: 1.5px solid rgba(0,0,0,0.12);
  border-radius: 9px;
  color: var(--text);
  padding: 10px 14px;
  font-size: 14px;
  margin-top: 6px;
  font-family: 'Inter', Arial, sans-serif;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  min-width: 210px;
}
.questionnaire select option { background: #ffffff; color: var(--text); }
.questionnaire input[type="radio"] {
  accent-color: var(--accent-dark);
  margin-right: 8px;
  width: 15px;
  height: 15px;
  cursor: pointer;
}
.questionnaire label {
  display: inline-flex;
  align-items: center;
  margin: 5px 18px 5px 0;
  font-size: 14px;
  cursor: pointer;
  color: var(--text-muted);
  transition: color 0.18s;
}
.questionnaire label:hover { color: var(--text); }
.questionnaire input[type="number"]:focus,
.questionnaire select:focus {
  outline: none;
  border-color: var(--accent);
  background: #ffffff;
}

/* ── Tab-bar selector (gender, dog owner) ──────────────────── */
.tab-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 4px;
}
.tab-group label {
  display: inline-flex;
  align-items: center;
  padding: 9px 20px;
  border-radius: 100px;
  border: 1.5px solid rgba(0,0,0,0.15);
  background: #f9f9fb;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: border-color 0.18s, background 0.18s;
  margin: 0;
}
.tab-group label:hover {
  border-color: rgba(0,0,0,0.3);
  background: #ebebf0;
}
.tab-group input[type="radio"] {
  display: none;
}
.tab-group label:has(input:checked) {
  background: var(--text);
  color: #ffffff;
  border-color: var(--text);
}

/* ── AMP container ─────────────────────────────────────────── */
.amp-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  width: 100vw;
  background: var(--amp-bg);
}

/* ── Fixation cross ────────────────────────────────────────── */
.fixation-cross {
  font-size: 68px;
  font-weight: 300;
  color: rgba(0, 0, 0, 0.75);
  line-height: 1;
  user-select: none;
}

/* ── Stimulus images ───────────────────────────────────────── */
.prime-img  { max-width: 70vw; max-height: 70vh; object-fit: contain; }
.inkblot-img { max-width: 76vw; max-height: 76vh; object-fit: contain; }
.mask-image  { max-width: 76vw; max-height: 76vh; object-fit: contain; }

/* ── Response button group ─────────────────────────────────── */
.mask-response-trial #jspsych-html-button-response-btngroup {
  display: flex !important;
  grid-template-columns: unset !important;
  position: absolute !important;
  bottom: 44%;
  left: 50%;
  transform: translateX(-50%);
  justify-content: center;
  gap: 20px;
  z-index: 10;
}

/* ── Break screen ──────────────────────────────────────────── */
.break-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--page-bg);
}
.break-box {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 52px 68px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: fadeUp 0.5s ease both;
  max-width: 520px;
  width: 90%;
}
.break-box h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 12px;
  color: var(--text);
  letter-spacing: -0.02em;
}
.break-box p {
  color: var(--text-muted);
  font-size: 14px;
  margin: 0 0 28px;
  line-height: 1.65;
}

/* ── jsPsych layout ────────────────────────────────────────── */
.jspsych-content { max-width: 100% !important; }
.jspsych-content-wrapper { background: transparent !important; }

/* ── jsPsych progress bar ──────────────────────────────────── */
#jspsych-progressbar-container {
  background: rgba(0,0,0,0.05) !important;
  border-bottom: 1px solid rgba(0,0,0,0.08) !important;
  padding: 6px 0 !important;
}
#jspsych-progressbar-inner {
  background: var(--text) !important;
  border-radius: 2px !important;
  transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1) !important;
}