:root {
  --paper: #f5f2ea;
  --sheet: #fffdf8;
  --ink: #1b2833;
  --ink-2: #4a5864;
  --ink-3: #7c8892;
  --line: #e2dccd;
  --brand: #0284c7;
  --brand-deep: #0b2a3d;
  --ok: #16a34a;
  --slow: #e3a008;
  --warn: #ea6c0a;
  --down: #dc2626;
  --off: #a3abb3;
  --ok-bg: #eaf7ee;
  --down-bg: #fdecec;
  --warn-bg: #fff3e6;
  --radius: 14px;
  --shadow: 0 1px 0 rgba(27, 40, 51, .04), 0 6px 18px -10px rgba(27, 40, 51, .25);
  font-size: 16px;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic UI", "Yu Gothic", Meiryo, system-ui, sans-serif;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}
[hidden] { display: none !important; }
h1, h2, h3 { line-height: 1.35; margin: 0; }
button, input, textarea { font: inherit; color: inherit; }

/* ---------- 信号ランプ ---------- */
.lamp {
  display: inline-block; flex: none;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--off);
  box-shadow: inset 0 -2px 0 rgba(0, 0, 0, .15);
}
.lamp.ok { background: var(--ok); box-shadow: 0 0 0 4px rgba(22, 163, 74, .16); }
.lamp.slow { background: var(--slow); box-shadow: 0 0 0 4px rgba(227, 160, 8, .18); }
.lamp.warn { background: var(--warn); box-shadow: 0 0 0 4px rgba(234, 108, 10, .18); }
.lamp.down { background: var(--down); box-shadow: 0 0 0 4px rgba(220, 38, 38, .18); }
.lamp.off { background: var(--off); }
.lamp.wait { background: #d6dbe0; animation: blink 1s infinite alternate; }
.lamp.big { width: 22px; height: 22px; margin-top: 4px; }
@keyframes blink { to { opacity: .35; } }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 44px; padding: 0 16px;
  border: 1.5px solid var(--line); border-radius: 10px;
  background: var(--sheet); color: var(--ink);
  font-weight: 600; text-decoration: none; cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--ink-3); }
.btn:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 3px solid rgba(2, 132, 199, .45); outline-offset: 2px; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { background: #0272ab; }
.btn.danger { color: var(--down); border-color: #f1c4c4; }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.ghost:hover { background: rgba(27, 40, 51, .06); }
.btn.small { min-height: 36px; padding: 0 12px; font-size: .9rem; }
.btn.big { min-height: 52px; width: 100%; font-size: 1.05rem; }
.btn:disabled { opacity: .6; cursor: wait; }

/* ---------- ログイン ---------- */
.center { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.sheet { background: var(--sheet); border: 1px solid var(--line); border-radius: 18px; padding: 28px 24px; box-shadow: var(--shadow); }
.narrow { width: min(420px, 100%); }
.brand-mark { display: flex; gap: 10px; margin: 0 0 14px; }
.lead { color: var(--ink-2); margin: 8px 0 20px; }
label { display: block; font-weight: 600; font-size: .95rem; margin: 0 0 14px; }
input:not([type=checkbox]), textarea {
  display: block; width: 100%; margin-top: 6px;
  padding: 11px 12px; border: 1.5px solid var(--line); border-radius: 10px; background: #fff;
  font-weight: 400; font-size: 1rem;
}
textarea { resize: vertical; }
label.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 500; }
label.check input { width: 20px; height: 20px; margin-top: 3px; flex: none; }
label.check small { display: block; color: var(--ink-3); font-weight: 400; }
.hint { color: var(--ink-3); font-size: .88rem; margin: -6px 0 14px; }
.error { color: var(--down); font-weight: 600; margin: 0 0 12px; min-height: 0; }
.error:empty { display: none; }
.notice { white-space: pre-line; background: var(--ok-bg); border: 1px solid #bfe5cb; border-radius: 10px; padding: 12px; font-weight: 600; }

/* ---------- 上の帯 ---------- */
.top { background: var(--brand-deep); color: #fff; position: sticky; top: 0; z-index: 5; }
.top-inner { max-width: 1200px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.title { font-size: 1.2rem; display: flex; align-items: center; gap: 10px; letter-spacing: .04em; }
.top-actions { margin-left: auto; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.top .btn:not(.primary) { background: rgba(255, 255, 255, .08); border-color: rgba(255, 255, 255, .25); color: #fff; }
.top .btn.primary { background: #fff; color: var(--brand-deep); border-color: #fff; }
.menu { position: relative; }
.menu summary { list-style: none; }
.menu summary::-webkit-details-marker { display: none; }
.menu-list {
  position: absolute; right: 0; top: calc(100% + 6px); min-width: 200px;
  background: var(--sheet); color: var(--ink); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: 6px;
}
.menu-list button { display: block; width: 100%; text-align: left; min-height: 44px; padding: 0 12px; border: 0; background: none; border-radius: 8px; cursor: pointer; }
.menu-list button:hover { background: var(--paper); }

/* ---------- まとめの数 ---------- */
.wrap { max-width: 1200px; margin: 0 auto; padding: 20px 16px 48px; }
.summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.sum {
  display: flex; align-items: center; gap: 10px; text-align: left;
  padding: 14px 16px; border: 1.5px solid var(--line); border-radius: var(--radius);
  background: var(--sheet); cursor: pointer; box-shadow: var(--shadow);
}
.sum b { font-size: 1.9rem; line-height: 1; font-variant-numeric: tabular-nums; }
.sum span:last-child { color: var(--ink-2); font-size: .9rem; font-weight: 600; line-height: 1.3; }
.sum.active { border-color: var(--ink); }
.sum.down.alert { background: var(--down-bg); border-color: #f3b4b4; }
.sum.down.alert b { color: var(--down); }

.tools { display: flex; gap: 12px; align-items: center; margin: 18px 0 6px; flex-wrap: wrap; }
.tools input { max-width: 360px; margin: 0; }
.checked-at { margin: 0 0 0 auto; color: var(--ink-3); font-size: .88rem; }

/* ---------- 分類ごとの並び ---------- */
.group { margin-top: 26px; }
.group-title {
  font-size: 1.05rem; display: flex; align-items: center; gap: 10px; margin-bottom: 12px;
  padding-bottom: 8px; border-bottom: 2px solid var(--ink);
}
.group-title .count { font-size: .8rem; color: var(--ink-3); font-weight: 600; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 14px; }

.card {
  background: var(--sheet); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 16px 14px; box-shadow: var(--shadow);
  border-left: 6px solid var(--off);
  display: flex; flex-direction: column; gap: 10px;
}
.card.lv-ok { border-left-color: var(--ok); }
.card.lv-slow { border-left-color: var(--slow); }
.card.lv-warn { border-left-color: var(--warn); background: linear-gradient(var(--warn-bg), var(--sheet) 60px); }
.card.lv-down { border-left-color: var(--down); background: linear-gradient(var(--down-bg), var(--sheet) 60px); }
.card-head { display: flex; gap: 12px; align-items: flex-start; }
.card-title { flex: 1; min-width: 0; }
.name { font-size: 1.12rem; }
.state { margin: 0; font-size: .9rem; font-weight: 700; color: var(--ink-2); }
.lv-ok .state { color: var(--ok); }
.lv-slow .state { color: #a87400; }
.lv-warn .state { color: var(--warn); }
.lv-down .state { color: var(--down); }
.purpose { margin: 0; color: var(--ink-2); font-size: .95rem; }

.links { display: flex; flex-direction: column; gap: 8px; }
.link-row {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 10px 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff;
}
.link-info { flex: 1; min-width: 0; }
.link-head { display: flex; gap: 8px; align-items: center; min-width: 0; }
.tag { flex: none; font-size: .75rem; font-weight: 700; padding: 1px 8px; border-radius: 999px; }
.tag.prod { background: var(--brand-deep); color: #fff; }
.tag.local { background: #e8e3d6; color: var(--ink-2); }
.url { font-size: .88rem; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.link-status { display: flex; align-items: center; gap: 8px; margin-top: 4px; font-size: .88rem; }
.link-status .lamp { width: 10px; height: 10px; }
.st-text { font-weight: 600; flex: 0 1 auto; min-width: 0; }
.ms { color: var(--ink-3); font-variant-numeric: tabular-nums; }
.dots { display: flex; gap: 3px; margin-top: 6px; }
.dot { width: 7px; height: 7px; border-radius: 2px; background: var(--off); }
.dot.ok { background: var(--ok); }
.dot.slow { background: var(--slow); }
.dot.warn { background: var(--warn); }
.dot.down { background: var(--down); }
.btn.open { min-height: 44px; padding: 0 14px; border-color: var(--brand); color: var(--brand); }
.btn.open:hover { background: var(--brand); color: #fff; }

.facts { margin: 0; display: flex; gap: 6px 18px; flex-wrap: wrap; font-size: .9rem; }
.facts div { display: flex; gap: 6px; }
.facts dt { color: var(--ink-3); }
.facts dd { margin: 0; font-weight: 600; }
.memo { margin: 0; font-size: .86rem; color: var(--ink-3); border-top: 1px dashed var(--line); padding-top: 8px; }
.empty { color: var(--ink-3); padding: 30px 0; text-align: center; }

.legend { margin-top: 40px; padding: 18px; border: 1px dashed var(--line); border-radius: var(--radius); color: var(--ink-2); font-size: .92rem; }
.legend h2 { font-size: 1rem; margin-bottom: 8px; color: var(--ink); }
.legend ul { list-style: none; padding: 0; margin: 0 0 8px; display: flex; flex-wrap: wrap; gap: 6px 20px; }
.legend li { display: flex; align-items: center; gap: 8px; }
.legend p { margin: 0; }

/* ---------- 編集の窓 ---------- */
dialog { border: 0; padding: 0; background: transparent; width: min(620px, calc(100% - 24px)); max-height: calc(100% - 24px); }
dialog::backdrop { background: rgba(11, 42, 61, .45); }
dialog .sheet { padding: 22px 20px; }
dialog h2 { font-size: 1.15rem; margin-bottom: 16px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.dlg-actions { display: flex; gap: 8px; align-items: center; margin-top: 6px; }
.spacer { flex: 1; }
.user-list { list-style: none; padding: 0; margin: 0 0 16px; }
.user-list li { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.user-list li.inactive { color: var(--ink-3); }
.pill { display: inline-block; margin-left: 8px; font-size: .75rem; padding: 1px 8px; border-radius: 999px; background: var(--brand-deep); color: #fff; }
.pill.muted { background: #e8e3d6; color: var(--ink-2); }
.user-add { border-top: 2px solid var(--ink); padding-top: 14px; margin-bottom: 10px; }
.user-add h3 { font-size: 1rem; margin-bottom: 10px; }

/* ---------- スマホ ---------- */
@media (max-width: 720px) {
  .summary { grid-template-columns: 1fr 1fr; }
  .sum b { font-size: 1.5rem; }
  .grid { grid-template-columns: 1fr; }
  .top-inner { padding: 8px 12px; }
  .title { font-size: 1.05rem; }
  .top-actions { margin-left: 0; width: 100%; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto; }
  .top-actions .btn { flex: 1; min-height: 42px; padding: 0 10px; font-size: .92rem; }
  .menu summary { padding: 0 10px; }
  .top-actions .btn { padding: 0 8px; }
  #me-name { display: inline-block; max-width: 3em; overflow: hidden; text-overflow: ellipsis; vertical-align: bottom; }
  .tools input { max-width: none; }
  .checked-at { margin: 0; }
  .row2 { grid-template-columns: 1fr; }
}