/* SAF_STUDY1: Genre Element Generation and Expectedness Rating Study */
:root{--primary:#2c3e50;--accent:#3498db;--bg:#f8f9fa;--card:#fff;--border:#dee2e6;--text:#212529;--muted:#6c757d;--error:#dc3545;--success:#16a34a}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Georgia','Times New Roman',serif;background:var(--bg);color:var(--text);line-height:1.7;min-height:100vh}
.container{max-width:780px;margin:0 auto;padding:40px 24px}
.page{display:none;background:var(--card);border:1px solid var(--border);border-radius:8px;padding:40px 36px;box-shadow:0 2px 8px rgba(0,0,0,.06)}
.page.active{display:block}
h1{font-size:1.5rem;color:var(--primary);margin-bottom:20px;border-bottom:2px solid var(--accent);padding-bottom:10px}
h2{font-size:1.2rem;color:var(--primary);margin-bottom:16px}
p{margin-bottom:14px}
.question-text{font-weight:bold;margin-bottom:12px;color:var(--primary)}
.radio-group{margin:16px 0}
.radio-option{display:block;padding:12px 16px;margin:8px 0;border:1px solid var(--border);border-radius:6px;cursor:pointer;transition:all .15s;line-height:1.6}
.radio-option:hover{background:#f0f4ff;border-color:var(--accent)}
.radio-option.selected{background:#e8f0fe;border-color:var(--accent)}
.radio-option input[type="radio"],.radio-option input[type="checkbox"]{margin-right:10px;transform:scale(1.1)}
.scale-group{display:flex;justify-content:space-between;margin:20px 0;gap:6px}
.scale-option{flex:1;text-align:center;padding:10px 4px;border:1px solid var(--border);border-radius:6px;cursor:pointer;transition:all .15s;font-size:.85rem}
.scale-option:hover{background:#f0f4ff;border-color:var(--accent)}
.scale-option.selected{background:#e8f0fe;border-color:var(--accent);font-weight:bold}
.scale-option input{display:none}
.scale-anchors{display:flex;justify-content:space-between;font-size:.8rem;color:var(--muted);margin-top:-12px;margin-bottom:8px}
textarea,input[type="text"],input[type="number"]{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:6px;font-family:inherit;font-size:1rem;line-height:1.6;resize:vertical;transition:border-color .15s}
textarea:focus,input[type="text"]:focus,input[type="number"]:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(52,152,219,.15)}
textarea{min-height:120px}
.btn{display:inline-block;padding:12px 32px;background:var(--accent);color:#fff;border:none;border-radius:6px;font-size:1rem;cursor:pointer;transition:all .15s;margin-top:20px}
.btn:hover{background:#2980b9}
.btn:disabled{background:#bdc3c7;cursor:not-allowed}
.btn-row{display:flex;justify-content:flex-end;margin-top:24px}
.error-msg{color:var(--error);font-size:.9rem;margin-top:8px;display:none}
.instruction-box{background:#eff6ff;border:1px solid #bfdbfe;border-radius:6px;padding:16px 20px;margin:16px 0;font-size:.95rem}
.progress-bar{width:100%;height:6px;background:#e9ecef;border-radius:3px;margin-bottom:20px;overflow:hidden}
.progress-fill{height:100%;background:var(--accent);border-radius:3px;transition:width .3s ease}
.form-group{margin-bottom:20px}
.debrief-text{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:6px;padding:20px;margin:16px 0}
.center-text{text-align:center}
#loading-screen{position:fixed;top:0;left:0;width:100%;height:100%;background:#f8f9fa;display:flex;align-items:center;justify-content:center;z-index:9999;flex-direction:column;gap:16px}
.spinner{width:40px;height:40px;border:4px solid #e9ecef;border-top-color:#3498db;border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ------------------------------------------
   GENRE HEADER
   ------------------------------------------ */
.genre-header{background:linear-gradient(135deg,#1e3a5f,#2c5282);color:#fff;padding:18px 24px;border-radius:8px;margin-bottom:24px;text-align:center}
.genre-header .genre-label{font-size:.85rem;text-transform:uppercase;letter-spacing:.12em;opacity:.8;margin-bottom:4px}
.genre-header .genre-name{font-size:1.6rem;font-weight:bold;letter-spacing:.02em}

/* ------------------------------------------
   GENERATION TASK
   ------------------------------------------ */
.gen-counter{background:#f0f4f8;border:1px solid var(--border);border-radius:8px;padding:14px 20px;margin-bottom:24px;display:flex;align-items:center;justify-content:space-between}
.gen-counter .count{font-size:1.3rem;font-weight:bold;color:var(--primary)}
.gen-counter .count.met{color:var(--success)}
.gen-counter .hint{font-size:.85rem;color:var(--muted)}

.gen-category{background:#fff;border:1px solid var(--border);border-radius:8px;padding:20px;margin-bottom:16px}
.gen-category-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.gen-category-title{font-weight:bold;color:var(--primary);font-size:1.05rem}
.gen-optional{font-weight:normal;font-size:.85rem;color:var(--muted)}
.gen-category-count{font-size:.85rem;color:var(--muted);background:#f0f4f8;padding:2px 10px;border-radius:12px}
.gen-category-count.met{background:#dcfce7;color:var(--success)}
.gen-category-hint{font-size:.88rem;color:var(--muted);margin-bottom:12px;font-style:italic}

.gen-input-row{display:flex;gap:8px;margin-bottom:10px}
.gen-input-row input[type="text"]{flex:1}
.gen-add-btn{padding:10px 20px;background:var(--accent);color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:.95rem;white-space:nowrap;transition:background .15s}
.gen-add-btn:hover{background:#2980b9}
.gen-add-btn:disabled{background:#bdc3c7;cursor:not-allowed}

.gen-chips{display:flex;flex-wrap:wrap;gap:8px;min-height:20px}
.gen-chip{display:inline-flex;align-items:center;gap:6px;background:#e8f0fe;border:1px solid #bfdbfe;padding:6px 12px;border-radius:20px;font-size:.9rem;line-height:1.4;animation:chipIn .2s ease}
.gen-chip .chip-remove{background:none;border:none;color:#6b7280;cursor:pointer;font-size:1.1rem;line-height:1;padding:0 2px;transition:color .15s}
.gen-chip .chip-remove:hover{color:var(--error)}
@keyframes chipIn{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}

/* ------------------------------------------
   RATING BLOCK
   ------------------------------------------ */
.rate-instr{background:#eff6ff;border:1px solid #bfdbfe;border-radius:6px;padding:12px 16px;margin-bottom:20px;font-size:.95rem}
.rate-item{background:#fff;border:1px solid var(--border);border-radius:8px;padding:18px 20px 10px;margin-bottom:14px;transition:border-color .15s,box-shadow .15s}
.rate-item.unanswered{border-color:var(--error);box-shadow:0 0 0 3px rgba(220,53,69,.12)}
.rate-text{font-size:1.25rem;font-weight:bold;color:var(--primary);margin-bottom:4px}
.rate-q{font-size:.92rem;color:var(--muted);margin-bottom:6px}
.rate-scale{margin:12px 0 18px}
.rate-scale .scale-option{padding:12px 4px;font-size:1rem}

/* ------------------------------------------
   FAMILIARITY SCALE
   ------------------------------------------ */
.fam-scale{display:flex;justify-content:space-between;margin:20px 0;gap:6px}
.fam-option{flex:1;text-align:center;padding:12px 4px;border:1px solid var(--border);border-radius:6px;cursor:pointer;transition:all .15s;font-size:.82rem}
.fam-option:hover{background:#f0f4ff;border-color:var(--accent)}
.fam-option.selected{background:#e8f0fe;border-color:var(--accent);font-weight:bold}
.fam-option input{display:none}

/* ------------------------------------------
   COMPLETION
   ------------------------------------------ */
.completion-code{display:inline-block;font-family:'Courier New',monospace;font-size:1.6rem;font-weight:bold;letter-spacing:.12em;background:#f0f4f8;border:2px dashed var(--accent);border-radius:8px;padding:12px 28px;margin:12px 0;color:var(--primary);user-select:text}

/* ------------------------------------------
   RESPONSIVE
   ------------------------------------------ */
@media(max-width:600px){
  .container{padding:16px 12px}
  .page{padding:24px 18px}
  .scale-group,.fam-scale{flex-wrap:wrap}
  .scale-option,.fam-option{flex:0 0 calc(33% - 4px)}
  .gen-input-row{flex-direction:column}
  .gen-add-btn{width:100%}
}
/* Reading task (moving-window self-paced reading) */
.spr-display{font-family:'Courier New',Courier,monospace;font-size:1.4rem;color:var(--primary);min-height:80px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:8px;padding:30px 24px;background:var(--card);margin:20px 40px;line-height:1.8;text-align:center;letter-spacing:.02em;user-select:none;-webkit-user-select:none}