/* Modern, clean UI */
:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,.06);
  --card: rgba(255,255,255,.10);
  --border: rgba(255,255,255,.14);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);
  --muted2: rgba(255,255,255,.50);
  --accent: #f8c019;
  --shadow: 0 18px 60px rgba(0,0,0,.45);
  --radius: 18px;
  --radius-sm: 12px;
}

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

body{
  margin: 0;
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background:
    radial-gradient(1000px 520px at 15% -10%, rgba(248,192,25,.20), transparent 55%),
    radial-gradient(900px 520px at 90% 0%, rgba(56,189,248,.16), transparent 60%),
    radial-gradient(900px 650px at 40% 110%, rgba(168,85,247,.14), transparent 60%),
    var(--bg);
  overflow-x: hidden;
}

.app-header{
  position: sticky;
  top: 0;
  z-index: 5;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  backdrop-filter: blur(14px);
  background: linear-gradient(to bottom, rgba(11,18,32,.86), rgba(11,18,32,.35));
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.brand{
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-logo{
  width: 34px;
  height: 34px;
  border-radius: 10px;
  box-shadow: 0 10px 26px rgba(0,0,0,.35);
}

.brand-text{ min-width: 0; }
.brand-title{
  font-weight: 700;
  letter-spacing: .2px;
  font-size: 16px;
  line-height: 1.1;
}
.brand-subtitle{
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 42vw;
}

.controls{
  display: flex;
  align-items: center;
  gap: 10px;
}

.select-wrap{
  display: grid;
  gap: 4px;
}
.select-label{
  font-size: 11px;
  color: var(--muted2);
  text-align: right;
}

select{
  appearance: none;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.07);
  color: var(--text);
  padding: 10px 34px 10px 12px;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.2;
  outline: none;
  min-width: 170px;
  box-shadow: 0 10px 22px rgba(0,0,0,.22);
  background-image:
    linear-gradient(45deg, transparent 50%, rgba(255,255,255,.80) 50%),
    linear-gradient(135deg, rgba(255,255,255,.80) 50%, transparent 50%);
  background-position:
    calc(100% - 16px) calc(50% - 2px),
    calc(100% - 11px) calc(50% - 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

select:focus{
  border-color: rgba(248,192,25,.55);
  box-shadow: 0 0 0 4px rgba(248,192,25,.16);
}

.app-main{
  padding: 26px 18px 40px;
  display: grid;
  place-items: center;
  gap: 14px;
}

.card{
  width: min(720px, 92vw);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(to bottom right, rgba(255,255,255,.12), rgba(255,255,255,.06));
  box-shadow: var(--shadow);
  padding: 18px;
}

.card-top{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.pill{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text);
  background: rgba(248,192,25,.14);
  border: 1px solid rgba(248,192,25,.22);
  padding: 7px 10px;
  border-radius: 999px;
}

.counter{
  font-size: 12px;
  color: var(--muted);
}

.question{
  font-size: clamp(18px, 3.6vw, 30px);
  line-height: 1.25;
  letter-spacing: .1px;
  padding: 8px 2px 16px;
}

.card-actions{
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 8px;
}

.btn{
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 14px;
  padding: 11px 14px;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  user-select: none;
  transition: transform .06s ease, border-color .16s ease, background-color .16s ease, box-shadow .16s ease;
}

.btn:active{ transform: translateY(1px); }

.btn-ghost{
  background: rgba(255,255,255,.06);
  color: var(--text);
}

.btn-ghost:hover{
  background: rgba(255,255,255,.09);
  border-color: rgba(255,255,255,.22);
}

.btn-primary{
  background: rgba(248,192,25,.92);
  border-color: rgba(248,192,25,.70);
  color: rgba(14,18,28,.96);
  box-shadow: 0 16px 30px rgba(248,192,25,.18);
}

.btn-primary:hover{
  background: rgba(248,192,25,1);
  border-color: rgba(248,192,25,.88);
}

.hint{
  margin: 0;
  font-size: 12px;
  color: var(--muted2);
  text-align: center;
  width: min(720px, 92vw);
}

@media (max-width: 520px){
  select{ min-width: 150px; }
  .brand-subtitle{ max-width: 44vw; }
  .card{ padding: 16px; }
  .card-actions{ justify-content: space-between; }
}