:root {
  --bg: #f4f6f8; --panel: #fff; --text: #22262c; --muted: #67707c; --line: #dfe3e8; --accent: #3d5f7f; --accent-text: #fff;
  --ok: #2f7d4f; --warn: #a06a16; --error: #b3423b; --hover: #eef1f4;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 14px/1.55 "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 20px; margin: 0 0 12px; }
h2 { font-size: 15px; margin: 18px 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.top { display: flex; align-items: center; gap: 24px; background: #2b3a4a; color: #e8edf2; padding: 0 20px; height: 52px; }
.top .brand { font-weight: 600; white-space: nowrap; }
.top nav { display: flex; gap: 4px; flex: 1; }
.top nav a { color: #c9d4de; padding: 6px 12px; border-radius: 6px; }
.top nav a.on, .top nav a:hover { background: rgba(255, 255, 255, 0.12); color: #fff; text-decoration: none; }
.top .who { display: flex; gap: 12px; align-items: center; }
.top .who a, .top .who .link { color: #c9d4de; }
main { max-width: 1200px; margin: 0 auto; padding: 22px 20px 40px; }
main.narrow { max-width: 420px; padding-top: 12vh; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin-bottom: 16px; }
.card h2 { margin-top: 0; }
.login h1 { margin-bottom: 2px; }
.narrow-card { max-width: 420px; }
.cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 16px; }
.row-head { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; }
.row-head h1 { margin: 0; flex: 1; }
.search { display: flex; gap: 6px; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; }
.stat b { display: block; font-size: 26px; }
.stat span { color: var(--muted); }
.stat.warn b { color: var(--warn); }
.actions { display: flex; gap: 10px; margin-bottom: 8px; }
table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; margin-bottom: 16px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { background: #f0f3f6; font-weight: 600; color: var(--muted); font-size: 13px; }
tr:last-child td { border-bottom: none; }
tr.off td { color: var(--muted); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; align-items: end; }
.grid2 .wide { grid-column: 1 / -1; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px 14px; }
textarea { font: inherit; color: var(--text); padding: 7px 10px; border: 1px solid var(--line); border-radius: 7px; background: #fff; width: 100%; resize: vertical; }
textarea.mono { font-family: Consolas, "Cascadia Mono", "Microsoft YaHei UI", monospace; font-size: 13px; }
textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.stack > .card { margin-bottom: 0; }
.inline { display: inline-flex; gap: 6px; align-items: center; flex-wrap: wrap; margin: 0 8px 8px 0; }
label { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 13px; }
label.check { flex-direction: row; align-items: center; gap: 8px; color: var(--text); }
input, select { font: inherit; color: var(--text); padding: 7px 10px; border: 1px solid var(--line); border-radius: 7px; background: #fff; min-width: 0; }
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
button, .button { font: inherit; padding: 7px 14px; border: 1px solid var(--line); border-radius: 7px; background: #fff; color: var(--text); cursor: pointer; display: inline-block; }
button:hover, .button:hover { background: var(--hover); text-decoration: none; }
button.primary, .button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
button.primary:hover, .button.primary:hover { filter: brightness(1.08); }
button.danger { color: var(--error); border-color: var(--error); }
button.link { border: none; background: none; padding: 0; color: var(--accent); }
.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; background: #e7f3ec; color: var(--ok); border: 1px solid #cfe6d8; }
.flash.error { background: #fbeceb; color: var(--error); border-color: #f1cfcc; }
.tag { display: inline-block; padding: 1px 9px; border-radius: 999px; font-size: 12px; border: 1px solid var(--line); color: var(--muted); white-space: nowrap; }
.tag.active { color: var(--ok); border-color: var(--ok); }
.tag.trial { color: var(--accent); border-color: var(--accent); }
.tag.expired, .tag.no_seat { color: var(--warn); border-color: var(--warn); }
.tag.disabled { color: var(--error); border-color: var(--error); }
@media (max-width: 760px) { .grid2, .grid3 { grid-template-columns: 1fr; } .top nav { overflow-x: auto; } }
td form.inline { margin: 0; }