:root {
  color-scheme: only light;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f6f8ff;
  color: #1e293b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: #f6f8ff;
  color: #1e293b;
}

.container {
  width: min(100%, 760px);
  background: #ffffff;
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 24px;
  box-shadow: 0 28px 80px rgba(15, 23, 42, 0.08);
  padding: 32px;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 2.3vw, 2.5rem);
  letter-spacing: -0.04em;
}

p {
  margin: 0 0 24px;
  line-height: 1.65;
  color: #475569;
}

.form-card {
  display: grid;
  gap: 20px;
  padding: 24px;
  border-radius: 18px;
  background: #f8fafc;
  border: 1px solid rgba(148, 163, 184, 0.18);
}

label {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #334155;
}

input {
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 1rem;
  background: #ffffff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus {
  outline: none;
  border-color: #3b82f6;
  box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
}

button,
.link-button {
  border: none;
  cursor: pointer;
  border-radius: 999px;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 700;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

button:hover,
.link-button:hover {
  transform: translateY(-1px);
}

button:active,
.link-button:active {
  transform: translateY(0);
}

.primary {
  background: #2563eb;
  color: #ffffff;
  box-shadow: 0 14px 30px rgba(37, 99, 235, 0.18);
}

.secondary {
  background: #e2e8f0;
  color: #0f172a;
}

.placeholder-note {
  margin-top: 14px;
  font-size: 0.95rem;
  color: #64748b;
  background: #f1f5f9;
  border-left: 4px solid #3b82f6;
  padding: 14px 18px;
  border-radius: 12px;
}

.action-field {
  width: 100%;
  padding: 12px 14px;
  border: 1px dashed #94a3b8;
  border-radius: 12px;
  background: #f8fafc;
  color: #334155;
  font-family: inherit;
  font-size: 0.95rem;
  resize: vertical;
}

.content-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 0 -8px;
}

.split-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card-title {
  margin: 0 0 12px;
  font-size: 1.05rem;
  font-weight: 700;
  color: #0f172a;
}

.hint {
  margin: 0;
  font-size: 0.92rem;
  color: #64748b;
}

.guide-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 24px;
  border-radius: 18px;
  background: #f8fafc;
  border: 1px solid rgba(148, 163, 184, 0.18);
}

.steps-list {
  margin: 0;
  padding-left: 24px;
  color: #334155;
  line-height: 1.8;
}

.steps-list li {
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.step-placeholder {
  color: #64748b;
  font-style: italic;
}

.guide-footer {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
  font-size: 0.92rem;
  color: #64748b;
  line-height: 1.6;
}

.guide-footer a {
  color: #3b82f6;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.guide-footer a:hover {
  color: #2563eb;
}

@media (max-width: 560px) {
  .container {
    padding: 24px 18px;
  }
}