:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1c1f24;
  --muted: #6b7280;
  --line: #e3e6eb;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --danger: #b91c1c;
  --radius: 12px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1115;
    --card: #181b22;
    --text: #e8eaed;
    --muted: #9aa3af;
    --line: #2a2f3a;
    --accent: #3b82f6;
    --danger: #f87171;
  }
}

:root[data-theme="dark"] {
  --bg: #0f1115;
  --card: #181b22;
  --text: #e8eaed;
  --muted: #9aa3af;
  --line: #2a2f3a;
  --accent: #3b82f6;
  --danger: #f87171;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
}

[hidden] { display: none !important; }

h1 { font-size: 1.6rem; margin: 0 0 .25rem; }
h2 { font-size: 1.05rem; margin: 0 0 .75rem; }

.view { padding: 16px; max-width: 1040px; margin: 0 auto; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.login-view, #login-view { display: grid; place-items: center; min-height: 100vh; }
.login-card { width: min(380px, 100%); margin: 0; }

label {
  display: grid;
  gap: 6px;
  margin-bottom: 14px;
  font-weight: 500;
}

input {
  font: inherit;
  color: inherit;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  width: 100%;
}

input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

button {
  font: inherit;
  border-radius: 8px;
  padding: 10px 16px;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--text);
}

button:disabled { opacity: .6; cursor: default; }

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-text);
  width: 100%;
}

button.ghost { background: transparent; }

button.danger { color: var(--danger); background: transparent; padding: 6px 10px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 0 16px;
}

.userbox { display: flex; align-items: center; gap: 10px; }

.muted { color: var(--muted); }
.error { color: var(--danger); margin: 0 0 12px; }
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; }
th, td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
th { color: var(--muted); font-weight: 500; font-size: .85rem; }
td.num, th.num { text-align: right; white-space: nowrap; }
td.actions { white-space: nowrap; text-align: right; }
td.actions a, td.actions button { margin-left: 6px; }

a.download {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 6px 12px;
  display: inline-block;
}

a.download:hover { background: var(--accent); color: var(--accent-text); }

@media (max-width: 640px) {
  table thead { display: none; }
  table, tbody, tr, td { display: block; width: 100%; }
  tr { border-bottom: 1px solid var(--line); padding: 10px 0; }
  td { border: 0; padding: 4px 0; }
  td.num { text-align: left; }
  td.actions { text-align: left; padding-top: 8px; }
  td.actions a, td.actions button { margin-left: 0; margin-right: 8px; }
}