:root {
  --bg: #eef3f2;
  --surface: #ffffff;
  --ink: #16262b;
  --muted: #5c7278;
  --accent: #2f7ba3;
  --accent-soft: #e4eef2;
  --border: #c9d6d6;
  --check: #2f8f6b;
  --error: #b3261e;
  --mono-bg: #f4f8f7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
}

.topnav {
  display: flex;
  align-items: center;
  gap: 18px;
  background: #1f3540;
  color: #dfe9ea;
  padding: 10px 20px;
}
.topnav a { color: #cfe0e2; text-decoration: none; font-size: .9rem; }
.topnav a:hover { text-decoration: underline; }
.topnav .brand { font-weight: 600; }
.topnav .spacer { flex: 1; }
.topnav .who { color: var(--accent-soft); font-size: .85rem; }

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

.auth-page {
  max-width: 380px;
  margin: 80px auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 28px 30px;
}
.auth-page h1 { font-size: 1.3rem; margin: 0 0 16px; }
.auth-page label { display: block; font-size: .8rem; color: var(--muted); margin: 12px 0 4px; }
.auth-page input[type=text], .auth-page input[type=password] {
  width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 5px; font-size: .95rem;
}
.auth-page button {
  margin-top: 18px; width: 100%; padding: 10px; background: var(--accent); color: #fff;
  border: none; border-radius: 6px; font-size: .95rem; cursor: pointer;
}
.auth-page .swap { margin-top: 14px; font-size: .85rem; text-align: center; }
.error { color: var(--error); font-size: .85rem; margin-top: 10px; }

.grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 16px;
}
.col { display: flex; flex-direction: column; gap: 16px; }

fieldset {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px 16px;
}
legend {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  font-weight: 600;
  padding: 0 4px;
}

.field { margin-bottom: 10px; }
.field label { display: block; font-size: .78rem; color: var(--muted); margin-bottom: 3px; }
.field input[type=text], .field input[type=number], .field select {
  width: 100%; padding: 6px 8px; border: 1px solid var(--border); border-radius: 5px; font-size: .85rem;
  background: var(--mono-bg);
}
.field textarea {
  width: 100%; min-height: 90px; padding: 6px 8px; border: 1px solid var(--border); border-radius: 5px;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: .78rem; background: var(--mono-bg);
  resize: vertical;
}
.field .hint { font-size: .7rem; color: var(--muted); margin-top: 3px; line-height: 1.4; }

.check { display: flex; align-items: center; gap: 8px; font-size: .82rem; padding: 4px 0; }
.check input { width: 15px; height: 15px; }

.button-row { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
button, .btn {
  padding: 10px 16px; border-radius: 6px; border: 1px solid var(--border); background: var(--surface);
  color: var(--ink); font-size: .85rem; cursor: pointer;
}
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); flex: 1; }
button.primary:disabled { opacity: .6; cursor: default; }
button:hover:not(:disabled) { border-color: var(--accent); }

#status-banner {
  margin-top: 16px; padding: 12px 16px; border-radius: 8px; font-size: .88rem;
  background: var(--accent-soft); color: var(--accent); display: none;
}
#status-banner.error { background: #fbe6e4; color: var(--error); }
#status-banner.show { display: block; }
#status-banner a { color: inherit; font-weight: 600; }

dialog#project-dialog {
  border: 1px solid var(--border); border-radius: 10px; padding: 20px; width: 360px;
}
dialog#project-dialog h3 { margin: 0 0 12px; font-size: 1rem; }
dialog#project-dialog .project-item {
  display: flex; justify-content: space-between; align-items: center; padding: 6px 0; border-bottom: 1px solid var(--border);
}
dialog#project-dialog .project-item button { padding: 4px 8px; font-size: .75rem; }
dialog#project-dialog .button-row { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }

@media (max-width: 800px) {
  .grid { grid-template-columns: 1fr; }
}