.poll-card {
  font-family: system-ui, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  background: #fff;
  padding: 25px;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
  width: 350px;
  margin: 0 auto;
}
.poll-card h3 {
  margin: 0 0 20px 0;
  color: #1f2937;
  font-size: 1.2rem;
}
.option {
  position: relative;
  padding: 12px 15px;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  margin-bottom: 12px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  overflow: hidden;
  transition: border-color 0.2s;
}
.option:hover {
  border-color: #3b82f6;
  background: #f9fafb;
}
.option.selected {
  border-color: #3b82f6;
}
.label {
  position: relative;
  z-index: 2;
  font-weight: 500;
  color: #374151;
}
.percent {
  position: relative;
  z-index: 2;
  font-weight: 700;
  color: #1f2937;
  display: none;
}
.progress {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0;
  background: #dbeafe;
  z-index: 1;
  transition: width 0.5s ease-out;
}
.poll-card.voted .percent {
  display: block;
}
.poll-card.voted .option {
  cursor: default;
  pointer-events: none;
}

function vote(option, percent) {
  const card = option.closest(".poll-card");
  const options = card.querySelectorAll(".option");
  
  // Prevent multiple votes
  if (card.classList.contains("voted")) return;
  
  card.classList.add("voted");
  option.classList.add("selected");
  
  options.forEach(opt => {
    const bar = opt.querySelector(".progress");
    const w = bar.style.getPropertyValue("--w");
    bar.style.width = w;
  });
}