:root {
  --bg-primary: #f5f5f7;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e5e5e7;
  --border: #d1d1d6;
  --text-primary: #1d1d1f;
  --text-secondary: #86868b;
  --text-tertiary: #aeaeb2;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --success: #34c759;
  --warning: #ff9f0a;
  --error: #ff3b30;
  --selected-bg: #e8f4fd;
  --radius: 10px;
  --radius-sm: 8px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #1d1d1f;
    --bg-secondary: #2d2d2f;
    --bg-tertiary: #3d3d3f;
    --border: #424245;
    --text-primary: #f5f5f7;
    --text-secondary: #86868b;
    --text-tertiary: #636366;
    --accent: #0a84ff;
    --accent-hover: #409cff;
    --selected-bg: rgba(10, 132, 255, 0.15);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }

h1 { font-size: 22px; margin: 0 0 4px; }

.subtitle { color: var(--text-secondary); margin: 0 0 16px; }
.small { font-size: 12px; }
.note { color: var(--text-tertiary); font-size: 12px; margin: 8px 2px; }

.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.page { max-width: 1100px; margin: 0 auto; padding: 16px; }

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 14px;
  background: var(--bg-tertiary);
}
.who { color: var(--text-secondary); display: inline-flex; gap: 8px; align-items: center; }

.toolbar {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  flex-wrap: wrap;
  margin: 14px 0;
}
.toolbar .search { margin-left: auto; }

form.inline { display: inline-flex; margin: 0; }

.btn {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font: inherit;
  cursor: pointer;
  text-align: center;
  list-style: none;
}
.btn:hover { background: var(--bg-tertiary); text-decoration: none; color: var(--text-primary); }
.btn:disabled { opacity: 0.5; cursor: default; }
.btn.small { padding: 3px 10px; font-size: 13px; }
.btn.block, .input.block { display: block; width: 100%; margin: 8px 0; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #ffffff; }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: #ffffff; }
.btn.danger { background: var(--error); border-color: var(--error); color: #ffffff; }
.btn.danger:hover { opacity: 0.9; background: var(--error); color: #ffffff; }
summary.btn::-webkit-details-marker { display: none; }

.link {
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  color: var(--accent);
  cursor: pointer;
}
.link:hover { color: var(--accent-hover); text-decoration: underline; }

.input {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font: inherit;
}
.input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.input.narrow { width: 100px; }
.search .input { width: 240px; }

.file { position: absolute; width: 1px; height: 1px; opacity: 0; overflow: hidden; }
label.btn { position: relative; }

.delete-all { position: relative; }
.delete-all .confirm {
  position: absolute;
  z-index: 5;
  top: calc(100% + 6px);
  left: 0;
  width: 320px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
}
.delete-all .confirm p { margin: 0; }

.banner {
  border: 1px solid var(--success);
  background: color-mix(in srgb, var(--success) 14%, var(--bg-secondary));
  color: var(--text-primary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 10px;
}
.banner.error {
  border-color: var(--error);
  background: color-mix(in srgb, var(--error) 14%, var(--bg-secondary));
}
.banner ul { margin: 6px 0 0; padding-left: 20px; }

.table-card { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  text-align: left;
  padding: 8px 10px;
  background: var(--bg-tertiary);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
td { padding: 7px 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--bg-tertiary); }
tr.selected, tr.selected:hover { background: var(--selected-bg); }
tr.editing, tr.editing:hover { background: color-mix(in srgb, var(--warning) 14%, var(--bg-secondary)); }
.check { width: 32px; }
.actions { white-space: nowrap; }
.empty { color: var(--text-secondary); text-align: center; padding: 20px; }

.pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
  color: var(--text-secondary);
}

.login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login-card { width: 100%; max-width: 320px; padding: 28px 24px; text-align: center; }

.status { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; padding: 10px 14px; margin: 0 0 12px; }
.status .badge { background: var(--bg-tertiary); border-radius: 999px; padding: 2px 10px; font-size: 12px; font-weight: 600; }
.status .error-text { color: var(--error); flex-basis: 100%; }
.status .btn { margin-left: auto; }