/* Minimal, clean styling. No framework. */
:root {
  --bg: #fafafa;
  --card: #ffffff;
  --text: #0d1f3c;
  --muted: #6b7280;
  --border: #e5e7eb;
  --accent: #2c5aa0;
  --accent-text: #ffffff;
  --ok: #117a33;
  --err: #b71c1c;
  --warn: #b45309;
  --mono: 'RobotoMono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

header {
  max-width: 800px;
  margin: 40px auto 24px;
  padding: 0 24px;
}
header h1 {
  font-size: 28px;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}
header .sub {
  color: var(--muted);
  margin: 0;
  max-width: 600px;
}

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px 80px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  margin: 16px 0;
}
.card.hidden { display: none; }

h2 {
  font-size: 18px;
  margin: 0 0 4px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--accent);
  color: var(--accent-text);
  border-radius: 50%;
  font-size: 14px;
  font-weight: 600;
}

.muted { color: var(--muted); }
.muted.small { font-size: 13px; }

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 12px;
}
@media (max-width: 600px) { .grid { grid-template-columns: 1fr; } }

label {
  display: block;
  margin: 14px 0 0;
}
label > span {
  display: block;
  font-size: 14px;
  margin-bottom: 6px;
}
label > span em {
  font-style: normal;
  color: var(--muted);
  font-size: 12px;
  margin-left: 6px;
}
input[type="text"],
input[type="url"],
input[type="password"] {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
}
input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.15);
}

.actions {
  margin-top: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}
button, a.primary {
  padding: 9px 18px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
button:hover, a.primary:hover { background: #f4f6fa; }
button.primary, a.primary {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}
button.primary:hover, a.primary:hover {
  background: #224580;
  color: var(--accent-text);
}
button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.result {
  margin-top: 14px;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 13px;
  background: #f4f6fa;
}
.result.hidden { display: none; }
.result-row {
  display: flex;
  gap: 10px;
  padding: 4px 0;
  align-items: baseline;
}
.result-row .label {
  width: 90px;
  font-weight: 600;
}
.result-row.ok .label { color: var(--ok); }
.result-row.err .label { color: var(--err); }

pre#log {
  background: #0d1f3c;
  color: #d4e3ff;
  padding: 14px;
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 13px;
  max-height: 360px;
  overflow-y: auto;
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

ul#file-list {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
}
ul#file-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  font-size: 14px;
}
ul#file-list li a { color: var(--accent); text-decoration: none; }
ul#file-list li a:hover { text-decoration: underline; }
ul#file-list li .size {
  color: var(--muted);
  font-size: 12px;
  font-family: var(--mono);
}

footer {
  max-width: 800px;
  margin: 40px auto;
  padding: 0 24px;
  border-top: 1px solid var(--border);
  padding-top: 24px;
}
footer code {
  background: #f4f6fa;
  padding: 1px 5px;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 12px;
}