:root{
  --bg:#f8fafc;
  --card:#ffffff;
  --card2:#f1f5f9;
  --text:#1e293b;
  --muted:#64748b;
  --line:rgba(148,163,184,.2);
  --primary:#6366f1;
  --primary2:#4f46e5;
  --primary-rgb:99,102,241;
  --danger:#ef4444;
  --ok:#10b981;
  --warn:#f59e0b;
  --shadow: 0 10px 40px rgba(0,0,0,.08), 0 4px 20px rgba(0,0,0,.04);
  --shadow-sm: 0 4px 20px rgba(0,0,0,.06);
  --radius: 16px;
  --radius-sm: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: 
    radial-gradient(ellipse 1200px 600px at 10% 20%, rgba(var(--primary-rgb), 0.08) 0%, transparent 50%),
    radial-gradient(ellipse 800px 400px at 90% 80%, rgba(16,185,129, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse 600px 300px at 50% 50%, rgba(var(--primary-rgb), 0.03) 0%, transparent 50%),
    var(--bg);
  color:var(--text);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app{min-height:100vh; display:flex; flex-direction:column;}

.topbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:24px 32px;
  border-bottom:1px solid var(--line);
  backdrop-filter: blur(20px);
  background: rgba(248,250,252,0.9);
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand{display:flex; gap:16px; align-items:center;}
.logo{
  width:48px; height:48px; border-radius:var(--radius-sm);
  display:grid; place-items:center;
  background: linear-gradient(135deg, var(--primary), var(--ok));
  font-weight:700;
  font-size: 18px;
  color: white;
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(var(--primary-rgb), 0.3);
}
.title{font-weight:600; letter-spacing:-0.02em; font-size: 20px; line-height: 1.2;}
.subtitle{color:var(--muted); font-size:14px; margin-top:4px; font-weight: 500;}

.stats{display:flex; gap:16px}
.stat{
  padding:14px 18px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.8);
  backdrop-filter: blur(10px);
  border-radius:var(--radius-sm);
  min-width:100px;
  text-align: center;
  transition: var(--transition);
}
.stat:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  border-color: rgba(var(--primary-rgb), 0.4);
  animation: bounce 0.3s ease-out;
}

@keyframes bounce {
  0%, 100% { transform: translateY(-2px); }
  50% { transform: translateY(-4px); }
}
.stat-label{color:var(--muted); font-size:12px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px;}
.stat-value{font-size:20px; font-weight:600; margin-top:4px; color: var(--primary);}

.content{
  width:min(1200px, 92vw);
  margin:32px auto;
  display:grid;
  gap:24px;
  grid-template-columns: 1.3fr .7fr;
}
@media (max-width: 1024px){
  .content{grid-template-columns:1fr; gap: 20px;}
  .topbar{padding: 20px 24px;}
}

@media (max-width: 768px){
  .content{width:min(600px, 96vw); margin: 24px auto;}
  .card{padding: 24px;}
  .topbar{padding: 16px 20px; flex-direction: column; gap: 16px; text-align: center;}
  .stats{width: 100%; justify-content: center;}
  .category-grid{grid-template-columns:1fr;}
  .modal-card{margin: 4vh auto; width:94vw;}
  .modal-header, .modal-body{padding: 20px;}
  .form-section{margin-bottom: 24px; padding-bottom: 20px;}
  
  /* Multi-step responsive */
  .progress-indicator{
    padding: 0;
    gap: 8px;
  }
  .progress-step:not(:last-child)::after{
    left: 50%;
    width: 60%;
  }
  .step-number{
    width: 32px;
    height: 32px;
    font-size: 12px;
  }
  .step-label{
    font-size: 10px;
  }
  .selection-cards{
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .selection-card{
    padding: 16px;
  }
  .card-icon{
    font-size: 28px;
  }
  .card-title{
    font-size: 16px;
  }
}

@media (max-width: 480px){
  .content{width:95vw; margin: 20px auto;}
  .card{padding: 20px;}
  .topbar{padding: 12px 16px;}
  .logo{width: 40px; height: 40px; font-size: 16px;}
  .title{font-size: 18px;}
  .subtitle{font-size: 13px;}
  .stats{gap: 12px;}
  .stat{padding: 12px 16px; min-width: 85px;}
  .modal-card{margin: 2vh auto; width:96vw;}
  .modal-header, .modal-body{padding: 16px;}
  .btn{padding: 12px 20px; font-size: 14px;}
}

.card{
  background: rgba(255,255,255,.95);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding:28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px);
  transition: var(--transition);
}
.card.soft{
  background: rgba(241,245,249,.9);
  border: 1px solid rgba(var(--primary-rgb), 0.15);
}

h2{
  margin:0 0 12px;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}
h3{
  margin:0 0 8px;
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text);
}
.muted{
  color:var(--muted); 
  margin:0 0 16px;
  font-size: 15px;
  line-height: 1.6;
}

.progress-indicator{
  display: flex;
  justify-content: space-between;
  margin-bottom: 32px;
  padding: 0 8px;
}

.progress-step{
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  position: relative;
  transition: var(--transition);
}

.progress-step:not(:last-child)::after{
  content: '';
  position: absolute;
  top: 20px;
  left: 60%;
  width: 80%;
  height: 2px;
  background: var(--line);
  transition: var(--transition);
}

.progress-step.active:not(:last-child)::after{
  background: var(--primary);
}

.step-number{
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--card);
  border: 2px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  color: var(--muted);
  transition: var(--transition);
  margin-bottom: 8px;
  position: relative;
  z-index: 2;
}

.progress-step.active .step-number{
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.2);
}

.step-label{
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  text-align: center;
  transition: var(--transition);
}

.progress-step.active .step-label{
  color: var(--text);
  font-weight: 600;
}

.form-step{
  display: none;
  opacity: 0;
  transform: translateX(20px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-step.active{
  display: block;
  opacity: 1;
  transform: translateX(0);
}

.form-step.exit-left{
  opacity: 0;
  transform: translateX(-20px);
}

.form-step.exit-right{
  opacity: 0;
  transform: translateX(20px);
}

.step-header{
  margin-bottom: 24px;
  text-align: center;
}

.step-header h3{
  margin: 0 0 8px 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
}

.step-desc{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.selection-cards{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.selection-card{
  background: rgba(255,255,255,.7);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.selection-card::before{
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent, rgba(var(--primary-rgb), 0.05));
  opacity: 0;
  transition: var(--transition);
}

.selection-card:hover{
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
  border-color: rgba(var(--primary-rgb), 0.3);
}

.selection-card:hover::before{
  opacity: 1;
}

.selection-card.selected{
  border-color: var(--primary);
  background: rgba(var(--primary-rgb), 0.1);
  transform: translateY(-2px);
}

.selection-card.selected::before{
  opacity: 1;
}

.card-icon{
  font-size: 32px;
  margin-bottom: 12px;
}

.card-title{
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.card-desc{
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 8px;
}

.card-chapters{
  font-size: 12px;
  color: var(--muted);
  font-weight: 500;
}

.category-grid{
  display:grid;
  gap:16px;
  grid-template-columns: 1fr 1fr;
}
@media (max-width: 700px){
  .category-grid{grid-template-columns:1fr}
}
.field label{
  display:block; 
  font-size:14px; 
  color:var(--text); 
  margin:0 0 8px;
  font-weight: 500;
}
.field input,.field select, .field textarea{
  width:100%;
  padding:14px 16px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background: rgba(255,255,255,.8);
  color:var(--text);
  outline:none;
  font-size: 15px;
  font-family: inherit;
  transition: var(--transition);
  resize: vertical;
}
.field input:focus,.field select:focus, .field textarea:focus{
  border-color: var(--primary);
  background: rgba(255,255,255,1);
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
}

.field input.error,.field select.error, .field textarea.error{
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(239,68,68, 0.15);
}
.field input.success,.field select.success, .field textarea.success{
  border-color: var(--ok);
  box-shadow: 0 0 0 3px rgba(16,185,129, 0.15);
}

.field-error {
  color: var(--danger);
  font-size: 13px;
  margin-top: 6px;
  display: none;
}
.field-error.show {
  display: block;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.field input::placeholder,.field select::placeholder{
  color: var(--muted);
}
.hint{
  color:var(--muted); 
  font-size:13px; 
  margin-top:8px;
  line-height: 1.4;
}

.actions{
  display:flex; 
  gap:12px; 
  margin-top:24px;
  justify-content: flex-start;
}
.btn{
  appearance:none;
  border:1px solid var(--line);
  background: rgba(255,255,255,.7);
  color:var(--text);
  padding:14px 24px;
  border-radius:var(--radius-sm);
  cursor:pointer;
  font-weight:600;
  font-size: 15px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn:hover{
  background: rgba(255,255,255,1);
  border-color: rgba(var(--primary-rgb), 0.3);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.btn:active{
  transform: translateY(0);
}
.btn.primary{
  border-color: var(--primary);
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  color: white;
  box-shadow: 0 4px 20px rgba(var(--primary-rgb), 0.3);
}
.btn.primary:hover{
  box-shadow: 0 6px 25px rgba(var(--primary-rgb), 0.4);
}
.btn.primary:disabled{
  opacity:.5; 
  cursor:not-allowed;
  transform: none;
  box-shadow: none;
}

.btn.loading {
  position: relative;
  color: transparent;
  pointer-events: none;
}

.btn.loading::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 16px;
  height: 16px;
  margin: -8px 0 0 -8px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.char-counter {
  font-size: 12px;
  color: var(--muted);
  text-align: right;
  margin-top: 4px;
}

.char-counter.warning {
  color: var(--warn);
}

.char-counter.error {
  color: var(--danger);
}
.list{margin:10px 0 0; color:var(--muted); line-height:1.7}

.modal{position:fixed; inset:0; display:none; z-index: 1000;}
.modal.show{display:block; animation: fadeIn 0.3s ease-out;}

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

.modal-backdrop{
  position:absolute;
  inset:0;
  background: linear-gradient(135deg, rgba(30,41,59,.85), rgba(15,23,42,.9));
  backdrop-filter: blur(8px);
}
.modal-card{
  position:relative;
  width:min(680px, 92vw);
  margin: 6vh auto;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  border: none;
  border-radius: 24px;
  box-shadow:
    0 25px 50px -12px rgba(0,0,0,.25),
    0 0 0 1px rgba(255,255,255,.1),
    inset 0 1px 0 rgba(255,255,255,.8);
  overflow:hidden;
  animation: slideInUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-header{
  display:flex; justify-content:space-between; align-items:flex-start;
  padding: 28px 28px 20px;
  border-bottom: 1px solid rgba(148,163,184,.15);
  background: linear-gradient(180deg, rgba(248,250,252,.8) 0%, rgba(241,245,249,.4) 100%);
}
.modal-kicker{
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.modal-kicker::before{
  content: '';
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.modal-title{
  margin: 8px 0 0;
  font-size: 24px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--text);
  max-width: 500px;
}
.iconbtn{
  background: rgba(255,255,255,.8);
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 12px;
  width: 40px; height: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: var(--transition);
}
.iconbtn:hover{
  background: rgba(239,68,68,.1);
  border-color: var(--danger);
  color: var(--danger);
  transform: rotate(90deg);
}
.modal-body{
  padding: 28px;
  background: #ffffff;
}
.options{
  display: grid;
  gap: 14px;
  margin-top: 20px;
}
.option{
  display: flex;
  gap: 16px;
  align-items: center;
  border: 2px solid transparent;
  border-radius: 16px;
  padding: 18px 20px;
  background: linear-gradient(135deg, #f8fafc, #f1f5f9);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
}
.option::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.08), rgba(var(--primary-rgb), 0.02));
  opacity: 0;
  transition: opacity 0.3s;
}
.option:hover{
  border-color: rgba(var(--primary-rgb), 0.3);
  background: linear-gradient(135deg, #ffffff, #f8fafc);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.15);
}
.option:hover::before {
  opacity: 1;
}
.option.selected{
  border-color: var(--primary);
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.12), rgba(var(--primary-rgb), 0.06));
  box-shadow: 0 4px 16px rgba(var(--primary-rgb), 0.2);
}
.option.selected::after {
  content: '✓';
  position: absolute;
  right: 18px;
  font-size: 18px;
  color: var(--primary);
  font-weight: 700;
}
.option input[type="radio"]{
  appearance: none;
  -webkit-appearance: none;
  width: 22px;
  height: 22px;
  min-width: 22px;
  border: 2px solid var(--line);
  border-radius: 50%;
  background: #fff;
  position: relative;
  transition: var(--transition);
}
.option input[type="radio"]:checked{
  border-color: var(--primary);
  background: var(--primary);
}
.option input[type="radio"]:checked::after{
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: white;
  border-radius: 50%;
}
.feedback{
  margin-top: 24px;
  padding: 20px;
  border-radius: 16px;
  border: none;
  color: var(--text);
  font-size: 15px;
  line-height: 1.7;
  background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
  box-shadow: inset 0 2px 4px rgba(0,0,0,.04);
}
.feedback.ok{
  background: linear-gradient(135deg, rgba(16,185,129, 0.15), rgba(16,185,129, 0.08));
  box-shadow: 0 4px 16px rgba(16,185,129, 0.2), inset 0 1px 0 rgba(255,255,255,.5);
}
.feedback.bad{
  background: linear-gradient(135deg, rgba(239,68,68, 0.12), rgba(239,68,68, 0.06));
  box-shadow: 0 4px 16px rgba(239,68,68, 0.15), inset 0 1px 0 rgba(255,255,255,.5);
}

.modal-footer{
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 20px 28px;
  border-top: 1px solid rgba(148,163,184,.1);
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}
.spacer{flex:1}

.toast{
  position:fixed;
  bottom:24px; left:50%;
  transform:translateX(-50%);
  background: rgba(255,255,255,.95);
  border:1px solid var(--line);
  color:var(--text);
  padding:14px 20px;
  border-radius:var(--radius-sm);
  box-shadow: var(--shadow);
  display:none;
  backdrop-filter: blur(20px);
  font-size: 14px;
  font-weight: 500;
  z-index: 1000;
  transition: var(--transition);
}
.toast.show{
  display:block;
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.btn {
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:active::before {
  width: 300px;
  height: 300px;
}

/* Random button special styling */
.btn.random {
  border-color: var(--ok);
  background: linear-gradient(135deg, var(--ok), #059669);
  color: white;
  box-shadow: 0 4px 20px rgba(16,185,129, 0.3);
}
.btn.random:hover {
  box-shadow: 0 6px 25px rgba(16,185,129, 0.4);
}

/* Question progress in modal */
.quiz-progress {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.08), rgba(var(--primary-rgb), 0.04));
  border-radius: 12px;
  margin-bottom: 20px;
}
.quiz-progress-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.quiz-progress-bar {
  flex: 1;
  height: 8px;
  background: rgba(var(--primary-rgb), 0.15);
  border-radius: 4px;
  overflow: hidden;
}
.quiz-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary2));
  border-radius: 4px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.quiz-progress-count {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  min-width: 50px;
  text-align: right;
}

/* Random mode badge */
.mode-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: linear-gradient(135deg, var(--ok), #059669);
  color: white;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 6px;
  margin-left: 10px;
}

/* Source type badges (Bible/EGW) */
.source-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  color: white;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-radius: 4px;
  margin-left: 8px;
}

.source-bible {
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.source-egw {
  background: linear-gradient(135deg, #8b5cf6, #6d28d9);
}

/* Footer */
/* .site-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  padding: 16px;
  color: var(--muted);
  font-size: 11px;
  opacity: 0.7;
}

.site-footer:hover {
  opacity: 1;
}

.footer-divider {
  color: var(--line);
}

.site-footer a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.site-footer a:hover {
  color: var(--primary);
} */
.site-footer {
  margin-top: 4rem;
  padding: 1.25rem 1rem;
  text-align: center;

  font-size: 0.875rem;
  color: #6b7280; /* soft gray */

  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;

  background: transparent;
}

.site-footer a {
  color: #6366f1; /* matches primary indigo button */
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease, text-decoration 0.2s ease;
}

.site-footer a:hover {
  color: #4f46e5;
  text-decoration: underline;
}

.footer-divider {
  color: #d1d5db; /* very light gray */
}

/* Optional: subtle top separator on large screens */
@media (min-width: 768px) {
  .site-footer {
    border-top: 1px solid rgba(229, 231, 235, 0.6);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
  }
}

.site-footer {
  animation: footerFade 0.6s ease-out;
}

@keyframes footerFade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}