:root{
  --primary:#4f46e5;
  --primary-dark:#4338ca;
  --bg:#f5f6fb;
  --card:#ffffff;
  --border:#e3e5ef;
  --text:#1f2333;
  --muted:#6b7280;
  --success:#16a34a;
  --danger:#dc2626;
  --radius:12px;
}
*{box-sizing:border-box;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
}
.hidden{display:none !important;}

.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  background:var(--card);
  padding:14px 24px;
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:10;
}
.brand{font-weight:700;font-size:1.2rem;color:var(--primary);}
.user-nav{display:flex;align-items:center;gap:12px;}
#userLabel{color:var(--muted);font-size:.9rem;}

.container{max-width:1100px;margin:0 auto;padding:24px;}

.auth-card{
  max-width:480px;
  margin:40px auto;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:28px;
}
.tabs{display:flex;gap:8px;margin-bottom:20px;border-bottom:1px solid var(--border);}
.tab-btn{
  background:none;border:none;padding:10px 16px;font-size:.95rem;cursor:pointer;
  color:var(--muted);border-bottom:2px solid transparent;
}
.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600;}
.tab-panel{display:none;flex-direction:column;gap:12px;}
.tab-panel.active{display:flex;}

label{display:flex;flex-direction:column;gap:4px;font-size:.85rem;color:var(--muted);font-weight:500;}
input,select,textarea{
  padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:.95rem;
  font-family:inherit;color:var(--text);background:#fff;
}
textarea{min-height:70px;resize:vertical;}

.btn{
  padding:10px 18px;border-radius:8px;border:1px solid transparent;font-size:.9rem;
  font-weight:600;cursor:pointer;
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dark);}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--text);}
.btn-ghost:hover{background:#f0f1f7;}
.btn-danger{background:var(--danger);color:#fff;}
.btn-small{padding:6px 12px;font-size:.8rem;}

.form-msg{font-size:.85rem;min-height:1em;}
.form-msg.error{color:var(--danger);}
.form-msg.success{color:var(--success);}

.role-fields{display:flex;flex-direction:column;gap:12px;border-top:1px dashed var(--border);padding-top:12px;margin-top:4px;}

h1{margin-top:0;}

.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-top:16px;}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;
}
.card h3{margin:0 0 6px;}
.card .meta{font-size:.8rem;color:var(--muted);margin-bottom:10px;}
.badge{
  display:inline-block;padding:2px 8px;border-radius:20px;font-size:.72rem;font-weight:600;
  background:#eef2ff;color:var(--primary);
}
.badge.pending{background:#fff7ed;color:#c2410c;}
.badge.approved{background:#ecfdf5;color:#047857;}
.badge.rejected{background:#fef2f2;color:#b91c1c;}
.badge.published{background:#ecfdf5;color:#047857;}
.badge.draft{background:#f1f5f9;color:#475569;}

.form-card{max-width:640px;}
.form-card label{margin-bottom:2px;}

.question-block{border:1px solid var(--border);border-radius:8px;padding:12px;margin-bottom:12px;background:#fafbff;}
.question-block .opt-row{display:flex;align-items:center;gap:8px;margin-top:6px;}
.question-block .opt-row input[type="text"]{flex:1;}

.summary-bar{
  display:flex;gap:24px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:16px 20px;margin-top:16px;
}
.summary-bar .stat{display:flex;flex-direction:column;}
.summary-bar .stat .num{font-size:1.4rem;font-weight:700;color:var(--primary);}
.summary-bar .stat .label{font-size:.78rem;color:var(--muted);}

.modal{
  position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center;z-index:50;
}
.modal-box{
  background:#fff;border-radius:var(--radius);padding:24px;max-width:600px;width:90%;max-height:85vh;overflow-y:auto;
}
.modal-actions{display:flex;gap:10px;margin-top:16px;}

.toast{
  position:fixed;bottom:20px;right:20px;background:var(--text);color:#fff;padding:12px 18px;
  border-radius:8px;font-size:.9rem;z-index:100;box-shadow:0 6px 16px rgba(0,0,0,.2);
}
.toast.error{background:var(--danger);}
.toast.success{background:var(--success);}

@media (max-width:600px){
  .container{padding:14px;}
  .auth-card{margin:16px auto;padding:20px;}
}