* { box-sizing: border-box; }

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", sans-serif;
  background: linear-gradient(135deg, #0f1220, #171b2e);
  color: #e7ecf3;
  display: grid;
  place-items: center;
  padding: 24px;
}

.container{
  width: 100%;
  max-width: 760px;
  display: grid;
  gap: 18px;
}

header h1{
  margin: 0 0 6px 0;
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 800;
  letter-spacing: 0.2px;
}

.sub{
  margin: 0;
  color: #a9b1c3;
  font-size: 0.95rem;
}

.card{
  background: #161a2a;
  border-radius: 18px;
  padding: clamp(18px, 3vw, 28px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.06);
  position: relative;
}

.quote{
  margin: 0 0 10px 0;
  font-size: clamp(1.25rem, 2.4vw, 1.8rem);
  line-height: 1.4;
  font-weight: 600;
  opacity: 0;
  transform: translateY(6px);
  animation: fadeIn 300ms ease forwards;
}

.author{
  display: block;
  color: #a9b1c3;
  font-style: normal;
  font-size: 0.98rem;
  margin-top: 4px;
}

.actions{
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn{
  appearance: none;
  border: 1px solid rgba(255,255,255,0.08);
  background: transparent;
  color: #e7ecf3;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 80ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.btn:hover{
  background: rgba(255,255,255,0.06);
}

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

.btn.primary{
  background: #8aa9ff;
  border-color: transparent;
  color: #fff;
}

.btn.primary:hover{ background: #5e86ff; }

.btn.link{ text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }

.btn:focus-visible{
  outline: none;
  box-shadow: 0 0 0 4px rgba(138,169,255,0.35);
}

.footer{
  color: #a9b1c3;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

kbd{
  background: rgba(0,0,0,0.2);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 0.85em;
}

.toast{
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(12px);
  background: #161a2a;
  border: 1px solid rgba(255,255,255,0.08);
  color: #e7ecf3;
  padding: 10px 14px;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.show{
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@keyframes fadeIn{
  to { opacity: 1; transform: translateY(0); }
}