:root {
  --bg: #f3f0ea;
  --ink: #1a1f1c;
  --muted: #5c6560;
  --line: #d4cfc4;
  --accent: #0b5f4b;
  --accent-ink: #f7faf8;
  --ok: #1b5e3b;
  --err: #8b1e1e;
  --warn: #8a5a12;
  --panel: #fffdf8;
  --font: "Segoe UI", "IBM Plex Sans", system-ui, sans-serif;
  --mono: "Cascadia Mono", "Consolas", ui-monospace, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 500px at 10% -10%, #dde8e2 0%, transparent 55%),
    linear-gradient(180deg, #ebe6dc, var(--bg));
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.45;
}

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.wrap.narrow { max-width: 420px; }

.top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.logout { margin: 0; }

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.9rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.field input {
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

header h1 {
  margin: 0 0 0.35rem;
  font-size: 1.75rem;
  letter-spacing: -0.02em;
}

.lead {
  margin: 0 0 1.5rem;
  color: var(--muted);
  max-width: 42rem;
}

.block {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem 1.1rem 1.2rem;
  margin-bottom: 1.25rem;
}

.block h2 {
  margin: 0;
  font-size: 1.05rem;
}

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

.prompt {
  margin: 0;
  max-height: 220px;
  overflow: auto;
  padding: 0.85rem;
  background: #f7f4ee;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 0.78rem;
  white-space: pre-wrap;
}

textarea {
  width: 100%;
  margin: 0.75rem 0 0.9rem;
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 0.85rem;
  resize: vertical;
  background: #fff;
  color: var(--ink);
}

.check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.btn {
  display: inline-block;
  border: none;
  border-radius: 8px;
  padding: 0.65rem 1.1rem;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn.primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn.secondary {
  background: #e8e2d6;
  color: var(--ink);
}

.flash {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.flash li {
  padding: 0.7rem 0.9rem;
  border-radius: 8px;
  margin-bottom: 0.4rem;
}

.flash .ok { background: #e4f3ea; color: var(--ok); }
.flash .error { background: #f8e6e6; color: var(--err); }
.warn { color: var(--warn); }
.muted { color: var(--muted); }

.files {
  margin: 0.5rem 0 0;
  padding-left: 1.1rem;
}

.files a { color: var(--accent); }