/* Deep-space blue / gold theme for Millionaire
   Responsive layout, animations, and component styles
*/

:root{
  --bg-1: #020617; /* almost black */
  --bg-2: #081235; /* deep space blue */
  --gold: #d4af37;
  --gold-2: #f0c85a;
  --muted: #9aa9c2;
  --accent: #2fd0ff;
  --card: linear-gradient(135deg, rgba(8,18,53,0.95), rgba(2,6,23,0.9));
  --glass: rgba(255,255,255,0.03);
}

*{box-sizing:border-box}
html,body,#app{height:100%;}
body{
  margin:0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  color:var(--muted);
  background:radial-gradient(1200px 600px at 10% 10%, #04204a 0%, transparent 20%),
             radial-gradient(1000px 500px at 90% 90%, rgba(12,6,30,0.6) 0%, transparent 20%),
             linear-gradient(180deg, var(--bg-2) 0%, var(--bg-1) 100%);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  padding:20px;
}

.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  padding:10px 20px;
  background:transparent;
  border-radius:12px;
}
.brand h1{ margin:0; color:var(--gold-2); letter-spacing:0.6px; }
.brand .subtitle{ margin:0; color:var(--muted); font-size:13px }

.main{ display:flex; gap:20px; align-items:start; }

.ladder{
  width:220px;
  background:var(--glass);
  padding:10px;
  border-radius:12px;
  box-shadow: 0 6px 30px rgba(2,6,23,0.6);
  height:calc(100vh - 160px);
  overflow:auto;
}
.ladder .step{ display:flex; justify-content:space-between; padding:8px; border-radius:6px; margin:4px 0; }
.ladder .step.current{ background:linear-gradient(90deg, rgba(212,175,55,0.12), rgba(240,200,90,0.08)); color:var(--gold-2); font-weight:700; box-shadow:0 6px 18px rgba(212,175,55,0.06); animation: ladderGlow 2s ease-in-out infinite; }
.ladder .step.safe{ border-left:3px solid rgba(47,208,255,0.08); }

.game-area{ display:flex; flex:1; gap:20px; align-items:flex-start; }
.question-card{ flex:1; background:var(--card); padding:24px; border-radius:12px; box-shadow: 0 10px 40px rgba(2,6,23,0.7); }
.question-header{ display:flex; justify-content:space-between; align-items:center; margin-bottom:12px; }
.question{ font-size:20px; color:#e7f7ff; padding:18px; border-radius:8px; background:linear-gradient(180deg, rgba(255,255,255,0.01), rgba(0,0,0,0.05)); }

.answers{ display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-top:14px; }
.answer{ padding:14px 12px; border-radius:8px; background:transparent; border:1px solid rgba(255,255,255,0.04); color:var(--muted); cursor:pointer; transition:transform .18s ease, box-shadow .18s ease; }
.answer{ opacity:0; transform: translateY(8px) scale(.995); transition: transform .28s ease, opacity .28s ease; }
.answer.enter{ opacity:1; transform:none; }
.answer:hover{ transform:translateY(-4px); box-shadow:0 10px 30px rgba(2,6,23,0.6); }
.answer.correct{ outline:2px solid rgba(212,175,55,0.9); box-shadow:0 12px 30px rgba(212,175,55,0.06); color:#fff; }
.answer.wrong{ outline:2px solid rgba(255,40,40,0.18); color:#fff; }

.lifelines{ display:flex; gap:10px; margin-top:18px; }
.lifeline{ background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(0,0,0,0.04)); color:var(--gold-2); border:1px solid rgba(212,175,55,0.08); padding:8px 12px; border-radius:8px; cursor:pointer }
.lifeline.disabled{ opacity:0.35; cursor:not-allowed }

.panel{ width:340px; display:flex; flex-direction:column; gap:16px; }
.audience, .phone{ background:var(--glass); border-radius:10px; padding:12px; min-height:120px }
.bars{ display:flex; gap:8px; align-items:end; height:120px; }
.bar{ flex:1; background:linear-gradient(180deg, rgba(47,208,255,0.12), rgba(212,175,55,0.06)); border-radius:6px; display:flex; align-items:flex-end; justify-content:center; color:var(--muted); font-size:12px; padding-bottom:6px; position:relative; }
.bar .label{ position:absolute; top:-22px; font-size:12px; color:var(--muted); }

.actions{ display:flex; gap:12px; justify-content:center; margin-top:6px; }
.btn{ padding:8px 12px; border-radius:8px; background:transparent; border:1px solid rgba(255,255,255,0.06); color:var(--muted); cursor:pointer }
.btn.primary{ background:linear-gradient(90deg, rgba(47,208,255,0.06), rgba(212,175,55,0.04)); color:var(--gold-2); border-color:rgba(212,175,55,0.12) }
.btn.danger{ border-color:rgba(255,40,40,0.08); color:#ff9a9a }
.btn.small{ padding:6px 8px; font-size:13px }

.feedback{ margin-top:10px; height:28px; color:var(--gold-2); font-weight:600 }

.footer{ text-align:center; margin-top:20px; color:var(--muted); }

/* Animations */
@keyframes fadeSlideIn{
  from{ opacity:0; transform:translateY(10px) scale(.995) }
  to{ opacity:1; transform:none }
}
@keyframes pulseCorrect{
  0%{ box-shadow:0 0 0 0 rgba(212,175,55,0.5) }
  70%{ box-shadow:0 0 0 18px rgba(212,175,55,0) }
  100%{ box-shadow:0 0 0 0 rgba(212,175,55,0) }
}
@keyframes pulseWrong{
  0%{ box-shadow:0 0 0 0 rgba(255,40,40,0.5) }
  70%{ box-shadow:0 0 0 18px rgba(255,40,40,0) }
  100%{ box-shadow:0 0 0 0 rgba(255,40,40,0) }
}

.answer.animate-correct{ animation: pulseCorrect 1.4s ease forwards }
.answer.animate-wrong{ animation: pulseWrong 1.4s ease forwards }

/* Ladder glow */
@keyframes ladderGlow{
  0%{ box-shadow:0 6px 14px rgba(212,175,55,0.06); transform:translateX(0); }
  50%{ box-shadow:0 14px 34px rgba(212,175,55,0.14); transform:translateX(2px); }
  100%{ box-shadow:0 6px 14px rgba(212,175,55,0.06); transform:translateX(0); }
}

/* Answer entrance */
@keyframes answerIn{
  from{ opacity:0; transform:translateY(12px) scale(.995); }
  to{ opacity:1; transform:none; }
}

/* Audience bars animate up */
.bar{ transition: height .9s cubic-bezier(.2,.9,.2,1), background .3s ease; }
.bar .val{ margin-top:6px; font-weight:700; color:#eaf6ff }

/* Starfield subtle background */
body:before{
  content:''; position:fixed; inset:0; pointer-events:none; z-index:0;
  background-image: radial-gradient(rgba(255,255,255,0.02) 1px, transparent 1px), radial-gradient(rgba(255,255,255,0.012) 1px, transparent 1px);
  background-size: 1200px 1200px, 800px 800px;
  opacity:0.6; animation: starfield 60s linear infinite; mix-blend-mode:screen;
}
@keyframes starfield{ from{ transform:translateY(0) } to{ transform:translateY(-400px) } }

/* Phone panel fade */
.phone{ transition: transform .36s ease, opacity .36s ease; }
.phone.active{ transform:translateY(-6px); opacity:1 }

/* Responsive */
@media (max-width:1000px){
  .main{ flex-direction:column }
  .ladder{ width:100%; height:auto; order:2 }
  .panel{ width:100%; flex-direction:row; justify-content:space-between }
  .game-area{ gap:8px }
}

@media (max-width:600px){
  .answers{ grid-template-columns:1fr }
  .ladder{ order:3 }
  .brand h1{ font-size:18px }
  .question{ font-size:18px }
}