:root { --fg: #1d2330; --muted: #6b7280; --line: #d9dde3; --bg: #f6f7f9; --card: #fff; --accent: #1f5fbf;
        --ok: #1b7a43; --warn: #a15c00; --bad: #b3261e; }
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 "Sarabun", "Noto Sans Thai", "Segoe UI", system-ui, sans-serif; color: var(--fg);
       background: var(--bg); }
header.top { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; padding: 8px 16px; background: #1d2330; }
header.top a { color: #e8ecf2; text-decoration: none; }
header.top .brand { font-weight: 700; margin-right: 8px; }
header.top nav { display: flex; flex-wrap: wrap; gap: 4px 12px; flex: 1; }
header.top nav a:hover, header.top nav a:focus { text-decoration: underline; }
header.top nav a { white-space: nowrap; }
header.top .logout { display: flex; gap: 8px; align-items: center; color: #c7ced9; }
header.top .logout button { background: #e8ecf2; border-color: #e8ecf2; color: #1d2330; }
main { max-width: 1280px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.4rem; margin: .4rem 0 1rem; }
h2 { font-size: 1.1rem; margin: 1.4rem 0 .6rem; }
.muted { color: var(--muted); font-size: .92em; }
.code, code { font-family: Consolas, "Cascadia Mono", monospace; letter-spacing: .02em; }
.flash { padding: 8px 12px; border-radius: 6px; border: 1px solid; }
.flash.ok { border-color: #b9dcc8; background: #eef8f2; color: var(--ok); }
.flash.error { border-color: #efc1bd; background: #fdf1f0; color: var(--bad); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 12px 16px; margin: 12px 0; }
.card.secret { border-color: #e5c07b; background: #fffaf0; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 10px; }
.tile { display: flex; flex-direction: column; padding: 12px; background: var(--card); border: 1px solid var(--line);
        border-radius: 8px; color: inherit; text-decoration: none; }
.tile b { font-size: 1.6rem; }
.tile.hl { border-color: #9dbbe8; }
.tile.warn { border-color: #e7c28f; }
table.grid { width: 100%; border-collapse: collapse; background: var(--card); }
table.grid.narrow { width: auto; min-width: 360px; }
table.grid th, table.grid td { border-bottom: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
table.grid th { background: #eef1f5; font-weight: 600; }
tr.withdrawn td { color: var(--muted); }
.count { color: var(--muted); font-size: .88em; margin-left: 6px; }
.warn-text { color: var(--warn); font-size: .9em; }
.badge { font-size: .8rem; padding: 2px 8px; border-radius: 10px; background: #e8ecf2; vertical-align: middle; }
.badge.agreement { background: #dce8fa; } .badge.conflict, .badge.existing_diff { background: #fbe9d0; }
.badge.rejected { background: #f7d9d6; } .badge.approved, .badge.confirmed { background: #d9f0e3; }
.role { font-size: .75rem; padding: 1px 7px; border-radius: 10px; background: #e8ecf2; color: #1d2330; white-space: nowrap; }
.role.owner { background: #d9f0e3; } .role.staff { background: #fbe9d0; }
form.inline { display: inline-flex; gap: 6px; align-items: center; margin: 2px 4px 2px 0; }
form.search { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; margin-bottom: 12px; }
label { display: flex; flex-direction: column; gap: 2px; margin: 6px 0; font-size: .92em; }
form.inline label, form.search label { margin: 0; }
input { font: inherit; padding: 5px 8px; border: 1px solid #b8bfca; border-radius: 5px; min-width: 0; }
input.wide { width: 100%; }
button, .button { font: inherit; padding: 5px 12px; border: 1px solid #9aa3b1; border-radius: 5px; background: #fff;
                  cursor: pointer; color: inherit; text-decoration: none; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { border-color: #d49b96; color: var(--bad); }
.actions { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0; }
.pager { display: flex; gap: 14px; margin: 12px 0; align-items: center; }
section.login { max-width: 380px; margin: 60px auto; background: var(--card); border: 1px solid var(--line);
                border-radius: 10px; padding: 20px 24px; }
@media (max-width: 1100px) {
  header.top .brand { flex-basis: 100%; }
  header.top nav { flex-basis: 100%; order: 3; }
}
@media (max-width: 720px) {
  main { padding: 10px; }
  table.grid { display: block; overflow-x: auto; }
  table.grid th, table.grid td { padding: 5px; }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  input { max-width: 100%; }
}