:root {
  --bg: #f6f7fb; --card: #ffffff; --ink: #1a1e29; --muted: #5a6275; --line: #e3e6ee;
  --accent: #2b42a1; --accent-ink: #ffffff; --ok: #1f7a4d; --warn: #9a5b00; --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #12141a; --card: #1b1e27; --ink: #e8eaf0; --muted: #9aa1b2; --line: #2a2e3a;
          --accent: #7d92ff; --accent-ink: #0d1020; --ok: #5fd39a; --warn: #f0b85a; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
       font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; }
a { color: var(--accent); }
header { background: var(--card); border-bottom: 1px solid var(--line); }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 16px; }
header .wrap { display: flex; gap: 18px; align-items: center; min-height: 56px; flex-wrap: wrap; }
header .brand { font-weight: 700; color: var(--ink); text-decoration: none; margin-right: auto; }
header nav { display: flex; gap: 14px; flex-wrap: wrap; }
header nav a { text-decoration: none; color: var(--muted); }
header nav a:hover { color: var(--ink); }
main { padding: 24px 0 48px; }
h1 { font-size: 24px; margin: 0 0 16px; }
h2 { font-size: 18px; margin: 0 0 12px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.muted { color: var(--muted); }
.msg { background: var(--card); border-left: 4px solid var(--accent); padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; }
.error { border-left-color: #c0392b; }
.big { font-size: 20px; font-weight: 600; }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.plan { border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.plan form { display: inline; }
button, .btn { font: inherit; border: 0; border-radius: 8px; padding: 9px 14px; cursor: pointer;
               background: var(--accent); color: var(--accent-ink); text-decoration: none; display: inline-block; }
button.ghost, .btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--line); }
button:disabled { opacity: .5; cursor: default; }
input[type=text], input[type=email] { font: inherit; padding: 9px 12px; border: 1px solid var(--line);
       border-radius: 8px; background: var(--bg); color: var(--ink); width: 100%; max-width: 320px; }
table { width: 100%; border-collapse: collapse; }
td, th { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 14px; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.row-actions form { display: inline; }
.drop { border: 2px dashed var(--line); border-radius: var(--radius); padding: 32px 16px; text-align: center; }
.drop.over { border-color: var(--accent); }
progress { width: 100%; height: 14px; }
.tablewrap { overflow-x: auto; }
@media (max-width: 560px) {
  td, th { font-size: 14px; }
  .hide-sm { display: none; }
  table.cards, table.cards tbody, table.cards tr, table.cards td { display: block; width: 100%; }
  table.cards thead { display: none; }
  table.cards tr { border-bottom: 1px solid var(--line); padding: 10px 0; }
  table.cards td { border: 0; padding: 2px 0; }
  table.cards td.show-sm { display: block; }
  table.cards td[data-label]::before { content: attr(data-label) ": "; color: var(--muted); }
}