/* 夜の水面。増減の色は赤緑にせず、アクア（増）とアンバー（減）で分ける。 */

:root {
  --bg: #0a1017;
  --surface: #141c27;
  --surface-2: #1b2432;
  --line: #2a3646;
  --text: #eaf0f7;
  --text-2: #c6d3e2;
  --muted: #9fb0c4;
  --ja: #6fe3c4;
  --other: #7f93ad;
  --down: #f2a96a;
  --radius: 14px;
  --font: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.7;
}

a {
  color: var(--ja);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

/* ---------------------------------------------------------------- 見出し */

.head {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}

.head__text {
  flex: 1 1 420px;
}

h1 {
  margin: 0 0 6px;
  font-size: clamp(1.5rem, 4.4vw, 2.1rem);
  letter-spacing: 0.01em;
}

.lede {
  margin: 0;
  max-width: 46em;
  color: var(--text-2);
  font-size: 0.95rem;
}

.head__controls {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
}

.link-state {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.link-state::before {
  content: "";
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--muted);
}

.link-state[data-state="live"] {
  color: var(--ja);
}

.link-state[data-state="live"]::before {
  background: var(--ja);
}

.link-state[data-state="reconnecting"],
.link-state[data-state="error"] {
  color: var(--down);
}

.link-state[data-state="reconnecting"]::before,
.link-state[data-state="error"]::before {
  background: var(--down);
}

.buttons {
  display: flex;
  gap: 8px;
}

.ghost-button {
  min-height: 44px;
  min-width: 96px;
  padding: 0 16px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}

.ghost-button:hover {
  background: var(--surface-2);
}

.ghost-button[aria-pressed="true"] {
  border-color: var(--ja);
  color: var(--ja);
}

.ghost-button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--ja);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------- 本体 */

.stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 16px;
  /* stretch にすると、一覧のカードが長い要約で伸びたぶん水面も伸び、水面線が画面の外へ出る */
  align-items: start;
}

.map {
  position: relative;
  height: clamp(320px, 58vh, 600px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  /* 海。陸はキャンバス側で描く */
  background: #08111c;
}

#map {
  display: block;
  width: 100%;
  height: 100%;
}

.map__key {
  position: absolute;
  left: 12px;
  bottom: 10px;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--muted);
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  display: inline-block;
}

.dot--ja {
  background: var(--ja);
}

.dot--other {
  background: var(--down);
}

.dot--other {
  margin-left: 10px;
}

.rail {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

/* ---------------------------------------------------------------- 数字 */

.count {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 16px;
}

.count__label {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  line-height: 1.5;
}

.count__value {
  margin: 4px 0 2px;
  font-size: clamp(2.6rem, 9vw, 3.4rem);
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.count__sub {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  font-size: 0.85rem;
  color: var(--muted);
}

.count__sub b {
  color: var(--ja);
  font-variant-numeric: tabular-nums;
}

/* ---------------------------------------------------------------- いちばん書き換わっている場所 */

.hot {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 16px;
}

.hot__label {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
}

.hot__name {
  margin: 2px 0 2px;
  font-size: clamp(1.5rem, 5vw, 1.9rem);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ja);
}

.hot__detail {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.hot__note {
  margin: 8px 0 0;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.6;
}

.hot__note b {
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
  padding: 0 2px;
}

/* ---------------------------------------------------------------- 一覧 */

.feed {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 16px;
  display: flex;
  flex-direction: column;
  min-height: 0;
  flex: 1 1 auto;
}

.feed__label {
  margin: 0 0 10px;
  font-size: 0.92rem;
  color: var(--text-2);
}

.feed__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.edit {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-2);
  padding: 10px 12px;
  animation: rise 260ms ease-out;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.edit__head {
  margin: 0;
  display: flex;
  gap: 10px;
  align-items: baseline;
  justify-content: space-between;
}

.edit__title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  overflow-wrap: anywhere;
}

.edit__title:hover {
  border-bottom-color: var(--ja);
}

.edit__delta {
  flex: 0 0 auto;
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  color: var(--ja);
}

.edit__delta[data-dir="down"] {
  color: var(--down);
}

.edit__comment {
  margin: 4px 0 0;
  font-size: 0.82rem;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.edit__badges {
  margin: 6px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge {
  font-size: 0.72rem;
  padding: 1px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--muted);
}

.feed__empty,
.feed__note {
  margin: 10px 0 0;
  font-size: 0.8rem;
  color: var(--muted);
}

.feed__note {
  margin-top: auto;
  padding-top: 10px;
}

/* ---------------------------------------------------------------- 脚注 */

.foot {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--muted);
}

.foot p {
  margin: 0 0 8px;
  max-width: 78ch;
}

.foot__nav {
  margin-top: 12px;
}

.foot__nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

/* ---------------------------------------------------------------- 画面が狭いとき */

@media (max-width: 900px) {
  .stage {
    grid-template-columns: minmax(0, 1fr);
  }

  .map {
    height: clamp(260px, 38vh, 380px);
  }

  .head__controls {
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .edit {
    animation: none;
  }
}