:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --ink: #1f2933;
  --muted: #6b7785;
  --line: #d9e1e8;
  --accent: #2f6fed;
  --ok: #1f9d55;
  --warn: #b7791f;
  --bad: #c53030;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
}

header {
  border-bottom: 1px solid var(--line);
  background: #fff;
  padding: 14px 24px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}

header h1 {
  margin: 0;
  font-size: 18px;
}

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

main {
  max-width: 860px;
  margin: 24px auto;
  padding: 0 16px;
}

main.narrow {
  max-width: 640px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
}

.panel h2 {
  margin: 0 0 14px;
  font-size: 15px;
}

.row {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

input[type="text"],
input[type="password"],
textarea {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 10px;
  font: inherit;
  color: inherit;
  background: #fff;
}

input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus {
  outline: 2px solid rgba(47, 111, 237, 0.35);
  border-color: var(--accent);
}

textarea {
  width: 100%;
  min-height: 84px;
  resize: vertical;
}

button {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 6px;
  padding: 9px 14px;
  font: inherit;
  cursor: pointer;
}

button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

button.primary:hover {
  filter: brightness(0.96);
}

a.primary {
  display: inline-block;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: #fff;
  border-radius: 6px;
  padding: 9px 14px;
  text-decoration: none;
  cursor: pointer;
}

a.primary:hover {
  filter: brightness(0.96);
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.code-box {
  font-family: var(--mono);
  font-size: 26px;
  letter-spacing: 0;
  padding: 10px 14px;
  border: 1px dashed var(--line);
  border-radius: 6px;
  background: #fafbfc;
  user-select: all;
}

.status {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}

.status.ok {
  color: var(--ok);
  font-weight: 600;
}

.status.err {
  color: var(--bad);
}

.muted {
  color: var(--muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.stat {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  background: #fafbfc;
}

.stat b {
  display: block;
  font-size: 20px;
}

.stat span {
  color: var(--muted);
  font-size: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th,
td {
  text-align: left;
  padding: 7px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  color: var(--muted);
  font-weight: 500;
}

.log {
  font-family: var(--mono);
  font-size: 12px;
  background: #fafbfc;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  max-height: 300px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--line);
  background: #fafbfc;
}

.pill.ok {
  color: var(--ok);
  border-color: rgba(31, 157, 85, 0.4);
}

.pill.err {
  color: var(--bad);
  border-color: rgba(197, 48, 48, 0.4);
}

.hidden {
  display: none;
}

.steps {
  display: grid;
  gap: 14px;
}

.step {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  opacity: 0.65;
}

.step.active {
  opacity: 1;
}

.step-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
}

.step-title {
  font-weight: 600;
  font-size: 15px;
}

.step-body {
  display: grid;
  gap: 10px;
}

.step-body input[type="text"] {
  width: 100%;
}

a.primary.big {
  text-align: center;
  font-size: 15px;
  padding: 12px 16px;
}

.hint {
  color: var(--muted);
  font-size: 12px;
}

.bound-info {
  border: 1px solid rgba(31, 157, 85, 0.4);
  background: #f2faf5;
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 13px;
}

.bound-info b {
  color: var(--ok);
}

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.toolbar input[type="text"] {
  width: 240px;
}

.user-row-check {
  width: 18px;
  height: 18px;
}

.result-list {
  display: grid;
  gap: 6px;
  margin-top: 10px;
}

.result-line {
  font-size: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 6px 10px;
  background: #fafbfc;
  word-break: break-all;
}

.result-line.ok {
  border-color: rgba(31, 157, 85, 0.4);
  color: var(--ok);
}

.result-line.err {
  border-color: rgba(197, 48, 48, 0.4);
  color: var(--bad);
}