:root{
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;

  --primary: #2563eb;      /* أزرق عملي */
  --primary-2: #1d4ed8;
  --ok: #16a34a;
  --bad: #dc2626;

  --radius: 16px;
  --shadow: 0 14px 40px rgba(15, 23, 42, .08);
}

*{ box-sizing: border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font-family: "Tajawal", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 450px at 15% 0%, rgba(37,99,235,.18), transparent 55%),
    radial-gradient(800px 420px at 85% 10%, rgba(29,78,216,.12), transparent 55%),
    var(--bg);
}

/* Topbar */
.topbar{
  position: sticky;
  top:0;
  z-index: 10;
  background: rgba(245,247,251,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.topbar-inner{
  max-width: 820px;
  margin: 0 auto;
  padding: 14px 16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
}

.title{
  font-weight: 800;
  font-size: 18px;
  letter-spacing: .2px;
}

.subtitle{
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.health{
  font-size: 12px;
  text-decoration: none;
  color: var(--muted);
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
}

/* Layout */
.container{
  max-width: 820px;
  margin: 0 auto;
  padding: 16px;
  display: grid;
  gap: 12px;
}

/* Main panel */
.panel{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}

.meta{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.tag{
  font-size: 12px;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fbfdff;
}

.question{
  margin: 8px 0 12px;
  font-size: 18px;
  line-height: 1.7;
  font-weight: 800;
}

/* Choices as buttons */
.choices{
  display: grid;
  gap: 10px;
  margin: 12px 0 10px;
}

.choice{
  width: 100%;
  text-align: right;
  padding: 14px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s ease, border-color .15s ease, transform .05s ease;
}

.choice:hover{ background: #f8fafc; }
.choice:active{ transform: scale(.99); }

.choice.selected{
  border-color: rgba(37,99,235,.55);
  background: rgba(37,99,235,.08);
}

/* Actions */
.actions{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}

.btn{
  width:100%;
  padding: 14px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font-weight: 800;
  font-size: 15px;
  cursor: pointer;
}

.btn:disabled{
  opacity:.55;
  cursor: not-allowed;
}

.btn-primary{
  border-color: rgba(37,99,235,.30);
  background: linear-gradient(180deg, var(--primary), var(--primary-2));
  color: #fff;
}

.btn-outline{
  background: #fff;
}

/* Result box */
.result{
  margin-top: 12px;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #f8fafc;
  white-space: pre-wrap;
  font-size: 14px;
  line-height: 1.7;
}

.result.ok{
  border-color: rgba(22,163,74,.25);
  background: rgba(22,163,74,.08);
}

.result.bad{
  border-color: rgba(220,38,38,.25);
  background: rgba(220,38,38,.08);
}

/* Stats */
.stats{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.stat{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 10px 24px rgba(15,23,42,.05);
  padding: 12px 14px;
  display:flex;
  align-items: center;
  justify-content: space-between;
}

.stat-label{
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.stat-value{
  font-size: 18px;
  font-weight: 900;
  color: var(--text);
}

/* Mobile */
@media (max-width: 520px){
  .actions{ grid-template-columns: 1fr; }
  .stats{ grid-template-columns: 1fr; }
  .question{ font-size: 17px; }
}

.made-by-z{
  position: fixed;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%); /* يخليها بالنص */

  font-size: 14px;
  color: #475569;

  padding: 10px 14px;
  border-radius: 999px;

  background: #f1f5f9;
  border: 1px solid rgba(0,0,0,.08);
  box-shadow: 0 10px 30px rgba(0,0,0,.08);

  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);

  z-index: 9999;
  user-select: none;
}

.made-by-z a{
  color: rgba(13,110,253,.9);
  text-decoration: none;
  font-weight: 600;
}

.made-by-z a:hover{
  text-decoration: underline;
}

.btns-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.btns-grid .btn {
  padding: 14px 10px;
  font-size: 14px;
  border-radius: 12px;
}