:root {
  --bg: #f5f6f9; --surface: #fff; --sunk: #eceef4; --ink: #151a30; --muted: #5a6280; --faint: #8a90a8;
  --line: #d7dae4; --line-strong: #aeb4c8; --accent: #2f45c6; --accent-ink: #fff; --mem: #7646af;
  --ok: #0b7a2f; --warn: #9a6200; --danger: #c0262d; --danger-bg: #fdeced; --warn-bg: #fff4dc; --ok-bg: #e5f5ea;
  --code: #edeff5;
  --f-sans: system-ui, -apple-system, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  --f-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Noto Sans Mono CJK TC", monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1120; --surface: #161b2f; --sunk: #1d2241; --ink: #e6e8f2; --muted: #a3a9c6; --faint: #7d84a3;
    --line: #2a3052; --line-strong: #4a5178; --accent: #9aa8ff; --accent-ink: #0e1120; --mem: #cfa9f5;
    --ok: #6fd28e; --warn: #f2c063; --danger: #ff7b7f; --danger-bg: #3a1a22; --warn-bg: #3a2f14; --ok-bg: #15301f;
    --code: #1a1f38; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 15px/1.6 var(--f-sans); -webkit-text-size-adjust: 100%; }
a { color: var(--accent); text-underline-offset: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
code, pre, .mono { font-family: var(--f-mono); font-size: .88em; }
code { background: var(--code); padding: .05em .35em; border-radius: 4px; overflow-wrap: anywhere; }
pre { background: var(--code); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin: 0; overflow: auto; max-height: 70vh; white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.5; }
h1 { font-size: 22px; line-height: 1.3; margin: 0 0 4px; font-weight: 650; }
h2 { font-size: 17px; margin: 26px 0 10px; font-weight: 650; }
h3 { font-size: 15px; margin: 18px 0 8px; font-weight: 650; }
p { margin: 0 0 10px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
[hidden] { display: none !important; }

.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 12px; padding: 10px max(16px, env(safe-area-inset-left)); background: var(--surface); border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; font-weight: 650; }
.who { margin-left: auto; color: var(--muted); font-size: 13px; text-align: right; }
.top .out { font-size: 13px; }
.shell { display: grid; grid-template-columns: 180px minmax(0, 1fr); min-height: calc(100vh - 49px); }
.nav { display: flex; flex-direction: column; gap: 2px; padding: 14px 10px; border-right: 1px solid var(--line); background: var(--surface); }
.nav a { color: var(--ink); text-decoration: none; padding: 7px 12px; border-radius: 8px; font-size: 14.5px; }
.nav a:hover { background: var(--sunk); }
.nav a[aria-current="page"] { background: var(--accent); color: var(--accent-ink); }
.main { padding: 22px max(16px, env(safe-area-inset-right)) 60px 24px; max-width: 1180px; min-width: 0; }
@media (max-width: 760px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .nav { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line); padding: 6px 10px; position: sticky; top: 49px; z-index: 4; scrollbar-width: none; }
  .nav a { white-space: nowrap; padding: 6px 10px; }
  .main { padding: 16px 16px 60px; }
}

.card { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; margin: 0 0 14px; }
.card.narrow { max-width: 560px; }
/* 還沒有選單的畫面（第一次來、打不開）：一欄、置中的卡片 */
.shell.solo { grid-template-columns: minmax(0, 1fr); }
.shell.solo .main { max-width: none; padding: 22px 16px 60px; }
.solo-card { width: 100%; max-width: 460px; margin: clamp(16px, 9vh, 110px) auto 0; padding: 26px 28px 24px; }
.solo-card h1 { font-size: 24px; margin-bottom: 10px; }
.solo-card .lead { color: var(--muted); margin-bottom: 20px; }
.solo-card .stack { display: grid; gap: 14px; }
.solo-card .actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.solo-card .actions button, .solo-card .actions .btn { flex: 1; padding: 10px 22px; font-size: 15px; }
@media (max-width: 520px) { .solo-card { margin-top: 8px; padding: 20px 18px; } }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin: 14px 0; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.tile .k { font-size: 12.5px; color: var(--muted); }
.tile .v { font-size: 24px; font-weight: 650; font-variant-numeric: tabular-nums; line-height: 1.3; }

.tw { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { font-size: 12.5px; color: var(--muted); background: var(--sunk); font-weight: 600; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td.nowrap { white-space: nowrap; }
td.nowrap code { overflow-wrap: normal; }
td.wrap { overflow-wrap: anywhere; min-width: 160px; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--sunk); }
td .sub { display: block; color: var(--muted); font-size: 12.5px; }

.badge { display: inline-block; font-size: 12px; font-weight: 600; line-height: 1.6; padding: 0 8px; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--muted); white-space: nowrap; }
.badge.sens-sensitive { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.badge.sens-high { background: var(--danger-bg); color: var(--danger); border-color: transparent; }
.badge.ok { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.badge.bad { background: var(--danger-bg); color: var(--danger); border-color: transparent; }
.badge.mem { color: var(--mem); border-color: var(--mem); }

form.grid, .grid { display: grid; gap: 10px 14px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); align-items: end; }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
label.inline { display: inline-flex; align-items: center; gap: 6px; color: var(--ink); font-size: 14px; }
input, select, textarea { font: inherit; font-size: 14.5px; color: var(--ink); background: var(--surface); border: 1px solid var(--line-strong); border-radius: 8px; padding: 7px 10px; min-width: 0; width: 100%; }
input[type="checkbox"], input[type="radio"] { width: auto; }
input[type="file"] { padding: 5px; }
textarea { min-height: 120px; font-family: var(--f-mono); font-size: 13px; line-height: 1.5; resize: vertical; }
button, .btn { font: inherit; font-size: 14px; font-weight: 600; border-radius: 8px; padding: 7px 14px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; justify-content: center; white-space: nowrap; }
button.ghost, .btn.ghost { background: transparent; color: var(--accent); }
button.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
button.link { background: none; border: 0; color: var(--accent); padding: 0; font-weight: 500; }
button:disabled { opacity: .55; cursor: progress; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row.end { justify-content: flex-end; }
.row > input:not([type="checkbox"]):not([type="radio"]) { width: auto; flex: 1 1 240px; }
.spacer { flex: 1; }

.note { border-radius: 10px; padding: 10px 14px; margin: 0 0 14px; font-size: 14px; border: 1px solid var(--line); background: var(--surface); }
.note.err { background: var(--danger-bg); border-color: transparent; color: var(--danger); }
.note.ok { background: var(--ok-bg); border-color: transparent; color: var(--ok); }
.note.warn { background: var(--warn-bg); border-color: transparent; color: var(--warn); }
.note .code { display: block; font-family: var(--f-mono); font-size: 12.5px; opacity: .8; margin-top: 2px; }

.secret { font-family: var(--f-mono); font-size: 13.5px; background: var(--code); border: 1px dashed var(--accent); border-radius: 8px; padding: 10px 12px; overflow-wrap: anywhere; user-select: all; }

dl.kv { display: grid; grid-template-columns: max-content minmax(0, 1fr); gap: 4px 16px; margin: 0; font-size: 14px; }
dl.kv dt { color: var(--muted); }
dl.kv dd { margin: 0; overflow-wrap: anywhere; }
@media (max-width: 520px) { dl.kv { grid-template-columns: minmax(0, 1fr); } dl.kv dd { margin-bottom: 6px; } }

.hist { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.hist li { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; font-size: 14px; }
.hist .when { color: var(--muted); font-size: 12.5px; }
.hist .chg { font-family: var(--f-mono); font-size: 12.5px; overflow-wrap: anywhere; margin-top: 4px; }
.hist .chg del { color: var(--danger); text-decoration: line-through; }
.hist .chg ins { color: var(--ok); text-decoration: none; }
.title-row { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; margin-bottom: 6px; }
.id { font-family: var(--f-mono); font-size: 12.5px; color: var(--muted); overflow-wrap: anywhere; }
.empty { color: var(--muted); padding: 18px; text-align: center; }
.mt { margin-top: 14px; }