:root {
  --bg: #eef2f4;
  --ink: #152028;
  --muted: #5a6872;
  --line: #cfd8de;
  --panel: #ffffff;
  --accent: #1f5f8b;
  --accent-ink: #f5fbff;
  --warn: #8a3b12;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #f7fafb, var(--bg));
  line-height: 1.45;
}

header,
main {
  width: min(900px, calc(100% - 2rem));
  margin: 0 auto;
}

header {
  padding: 2rem 0 1rem;
}

h1 {
  margin: 0 0 0.25rem;
  font-size: 1.75rem;
}

h2 {
  margin: 0;
  font-size: 1.1rem;
}

header p {
  margin: 0.2rem 0;
  color: var(--muted);
}

.status {
  display: inline-block;
  margin-top: 0.75rem;
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--line);
  background: var(--panel);
  font-size: 0.9rem;
}

.status.ok {
  border-color: #9ec9b8;
  color: var(--accent);
}

.status.bad {
  border-color: #e0b39a;
  color: var(--warn);
}

section {
  margin-bottom: 1.25rem;
  padding: 1rem;
  border: 1px solid var(--line);
  background: var(--panel);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.panel {
  white-space: pre-wrap;
  word-break: break-word;
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.85rem;
  background: #f4f7f9;
  border: 1px solid var(--line);
  padding: 0.75rem;
  max-height: 320px;
  overflow: auto;
}

button,
input {
  font: inherit;
}

button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.4rem 0.7rem;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.05);
}

button[hidden] {
  display: none;
}

#pass-step {
  margin-top: 0.75rem;
}

#buddy-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.6rem;
  margin-bottom: 0.75rem;
}

#buddy-form label {
  display: grid;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}

#buddy-form input {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  padding: 0.4rem 0.5rem;
  color: var(--ink);
}

ul.plain {
  margin: 0;
  padding-left: 1.1rem;
  white-space: normal;
  font-family: inherit;
  font-size: 0.95rem;
}

ul.plain li + li {
  margin-top: 0.55rem;
}

.meta {
  color: var(--muted);
  font-size: 0.85rem;
}