:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --ink: #14181f;
  --ink-soft: #5b6573;
  --line: #e5e8ec;
  --brand: #00579D;
  --brand-soft: #e8f3fb;
  --danger: #d23a3a;
  --shadow-card: 0 1px 2px rgba(20,24,31,.06), 0 6px 18px rgba(20,24,31,.06);
  --radius: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.loader { padding: 40px; color: var(--ink-soft); text-align: center; }

.shell {
  min-height: 100vh;
  display: grid;
  grid-template-rows: 56px 1fr;
}
header.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 16px;
}
.topbar .brand { font-weight: 600; }
.topbar .spacer { flex: 1; }
.topbar .who { color: var(--ink-soft); }

button, .btn {
  appearance: none;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 7px 12px;
  border-radius: 8px;
  font: inherit;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
button:hover { border-color: #ccd1d6; }
button.primary {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}
button.primary:hover { background: #0466b0; border-color: #0466b0; }
button.ghost { background: transparent; border-color: transparent; color: var(--ink-soft); padding: 6px 8px; }
button.ghost:hover { background: var(--brand-soft); color: var(--brand); }
button.danger { color: var(--danger); }
button.danger:hover { background: #fde7e7; border-color: #f3c8c8; }
button.primary.danger {
  background: var(--danger); border-color: var(--danger); color: #fff;
}
button.primary.danger:hover { background: #b02f2f; border-color: #b02f2f; color: #fff; }
button.primary[disabled] { opacity: .5; cursor: not-allowed; }

input[type=text], input[type=password], textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  font: inherit;
  background: #fff;
}
input:focus, textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-soft); }

.page {
  max-width: 1080px;
  margin: 24px auto;
  padding: 0 20px;
}
.page > h1 { margin: 0 0 16px; font-size: 22px; }
.section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 16px;
}
.section-header {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}
.section-header h2 { margin: 0; font-size: 15px; }
.section-header .spacer { flex: 1; }
.section-body { padding: 16px; }
.muted { color: var(--ink-soft); }
.muted small { font-size: 12px; }

.row { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.row:last-child { border-bottom: none; }
.row .grow { flex: 1; min-width: 0; }
.row .pill {
  background: var(--brand-soft); color: var(--brand);
  padding: 2px 8px; border-radius: 999px; font-size: 12px;
}

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  display: flex; flex-direction: column; gap: 8px;
  box-shadow: var(--shadow-card);
  position: relative;
  text-decoration: none;
  color: inherit;
}
.card:hover { border-color: #ccd1d6; text-decoration: none; }
.card h3 { margin: 0; font-size: 16px; padding-right: 28px; }
.card .meta { color: var(--ink-soft); font-size: 12px; }
.card .card-delete {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 24px; height: 24px;
  padding: 0; line-height: 1;
  border-radius: 50%;
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-mute, #95a0ad);
  opacity: 0;
  transition: opacity .15s, background .15s, color .15s;
  display: inline-flex; align-items: center; justify-content: center;
}
.card:hover .card-delete { opacity: 1; }
.card .card-delete:hover { background: #fde7e7; color: var(--danger); border-color: #f3c8c8; }

.login-card {
  max-width: 360px;
  margin: 80px auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--shadow-card);
}
.login-card h1 { margin: 0 0 16px; font-size: 18px; }
.login-card .field { margin-bottom: 12px; }
.login-card .field label { display: block; margin-bottom: 4px; color: var(--ink-soft); font-size: 12px; }
.login-card .error { color: var(--danger); font-size: 13px; margin-top: 8px; }
.login-card .submit { width: 100%; padding: 10px 14px; }

.dialog-bg {
  position: fixed; inset: 0; background: rgba(20,24,31,.4);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.dialog {
  background: #fff; border-radius: 12px;
  width: min(440px, 92vw);
  padding: 20px; box-shadow: 0 12px 40px rgba(0,0,0,.2);
}
.dialog h3 { margin: 0 0 12px; }
.dialog .actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }

code.token {
  display: inline-block; background: #eef1f5; padding: 2px 6px; border-radius: 4px;
  font: 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  user-select: all;
}

.toast {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: 24px; background: #14181f; color: #fff;
  padding: 8px 14px; border-radius: 8px; font-size: 13px;
  box-shadow: 0 4px 16px rgba(0,0,0,.2);
  z-index: 2000; opacity: 0; pointer-events: none; transition: opacity .2s;
}
.toast.show { opacity: 1; }

.file-drop {
  border: 1px dashed #c9d0d7;
  border-radius: 10px;
  padding: 24px;
  text-align: center;
  color: var(--ink-soft);
  background: #fafbfc;
  cursor: pointer;
}
.file-drop:hover { border-color: var(--brand); }
.file-drop:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
.file-drop.dragover { background: var(--brand-soft); border-color: var(--brand); color: var(--brand); }
.file-pick-link { color: var(--brand); text-decoration: underline; }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}