* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: #f2f5f9;
  color: #1c2530;
}

.container {
  width: min(760px, 92vw);
  margin: 40px auto;
  padding: 20px;
}

h1 {
  margin: 0 0 10px;
}

.intro {
  margin: 0 0 20px;
  font-size: 1.05rem;
}

.instructions {
  background: #ffffff;
  border-radius: 12px;
  padding: 16px 18px;
  border: 1px solid #d7e0ea;
  margin-bottom: 18px;
}

.instructions h2 {
  margin-top: 0;
}

.instructions ul {
  margin-bottom: 0;
}

.card {
  display: grid;
  gap: 10px;
  background: #ffffff;
  border-radius: 12px;
  padding: 18px;
  border: 1px solid #d7e0ea;
}

label {
  font-weight: 600;
}

input[type="text"],
input[type="file"] {
  width: 100%;
  padding: 10px;
  border: 1px solid #c5d0dc;
  border-radius: 8px;
  background: #fff;
}

button {
  border: none;
  border-radius: 9px;
  padding: 12px 14px;
  background: #1063f3;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.status {
  min-height: 24px;
  margin-top: 12px;
  font-weight: 600;
}

.status.error {
  color: #b42318;
}

.status.success {
  color: #027a48;
}

.progress {
  margin-top: 8px;
  background: #ffffff;
  border: 1px solid #d7e0ea;
  border-radius: 12px;
  padding: 12px;
}

.progress-track {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  background: #e8edf3;
  overflow: hidden;
}

.progress-fill {
  width: 0%;
  height: 100%;
  border-radius: 999px;
  background: #1063f3;
  transition: width 0.2s ease;
}

.progress-text {
  margin: 8px 0 0;
  font-weight: 600;
  font-size: 0.95rem;
}

.links {
  margin-top: 12px;
  background: #ffffff;
  border-radius: 12px;
  padding: 14px 18px;
  border: 1px solid #d7e0ea;
}

.links ul {
  padding-left: 18px;
}

.hidden {
  display: none;
}