:root {
  --bg: #0f1115;
  --bar: #171a21;
  --bar-2: #1f232c;
  --panel: #ffffff;
  --text: #1b1f27;
  --text-inv: #f3f4f6;
  --muted: #6b7280;
  --line: #e5e7eb;
  --accent: #e5322d;
  --accent-2: #ff6b66;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(0,0,0,.18);
  --topbar-h: 56px;
  --catbar-h: 44px;
  --panel-w: 440px;
  --sidebar-w: 340px;
  --font: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", Meiryo, sans-serif;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button { font: inherit; }
[hidden] { display: none !important; }
.muted { color: var(--muted); }

/* ---------- top bar ---------- */
#topbar {
  height: var(--topbar-h);
  background: var(--bar);
  color: var(--text-inv);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  flex: none;
  border-bottom: 1px solid #262a33;
  z-index: 1200;
}
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; font-weight: 700; letter-spacing: .02em; white-space: nowrap; }
.brand-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(229,50,45,.25); animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 4px rgba(229,50,45,.25);} 50% { box-shadow: 0 0 0 7px rgba(229,50,45,.08);} }
.search-wrap { flex: 1; display: flex; align-items: center; background: var(--bar-2); border-radius: 999px; padding: 0 12px; max-width: 520px; min-width: 120px; height: 36px; }
.search-ico { width: 18px; height: 18px; color: #9aa3b2; flex: none; }
#search { flex: 1; background: transparent; border: 0; outline: 0; color: var(--text-inv); font-size: 14px; padding: 0 8px; min-width: 0; }
#search::placeholder { color: #8b93a3; }
#pref-select { background: var(--bar-2); color: var(--text-inv); border: 0; border-radius: 999px; height: 36px; padding: 0 12px; font-size: 13px; max-width: 170px; }
.icon-btn { background: transparent; border: 0; color: inherit; width: 36px; height: 36px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; cursor: pointer; }
.icon-btn:hover { background: rgba(255,255,255,.08); }
.icon-btn svg { width: 22px; height: 22px; }
.pill-btn { display: inline-flex; align-items: center; gap: 6px; background: var(--accent); color: #fff; border: 0; border-radius: 999px; padding: 8px 14px; font-size: 13px; font-weight: 600; cursor: pointer; text-decoration: none; white-space: nowrap; }
.pill-btn:hover { filter: brightness(1.08); }
.pill-btn.ghost { background: #f1f2f4; color: var(--text); }
.pill-btn.ghost:hover { background: #e6e8ec; }
#btn-random { background: var(--bar-2); color: var(--text-inv); }
#btn-random:hover { background: #2a2f3a; }
.count-badge { font-size: 12px; color: #9aa3b2; white-space: nowrap; }

/* ---------- category bar ---------- */
.cat-bar {
  height: var(--catbar-h);
  background: var(--bar);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px 8px;
  overflow-x: auto;
  flex: none;
  scrollbar-width: none;
  z-index: 1150;
}
.cat-bar::-webkit-scrollbar { display: none; }
.cat-btn { flex: none; border: 1px solid #2f3440; background: transparent; color: #c7cdd8; border-radius: 999px; padding: 5px 12px; font-size: 12.5px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.cat-btn .sw { width: 9px; height: 9px; border-radius: 50%; background: var(--c, #999); }
.cat-btn:hover { background: #232733; }
.cat-btn.active { background: #fff; color: #111; border-color: #fff; font-weight: 600; }

/* ---------- layout ---------- */
#app { flex: 1; position: relative; min-height: 0; overflow: hidden; } /* 閉じているパネルが横スクロールで見えてしまうのを防ぐ */
#map { position: absolute; inset: 0; background: #dfe6ee; }

/* ---------- sidebar (list) ---------- */
#sidebar {
  position: absolute; top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--panel);
  z-index: 1020;
  display: flex; flex-direction: column;
  transform: translateX(-100%);
  transition: transform .25s ease;
  box-shadow: var(--shadow);
}
#sidebar.open { transform: translateX(0); }
.sidebar-head { display: flex; align-items: center; gap: 8px; padding: 12px 8px 12px 16px; border-bottom: 1px solid var(--line); }
.sidebar-head strong { font-size: 15px; }
.sidebar-head .muted { font-size: 12px; flex: 1; }
.cam-list { overflow-y: auto; flex: 1; padding: 6px; }
.cam-item { display: flex; gap: 10px; align-items: center; padding: 6px; border-radius: 10px; cursor: pointer; }
.cam-item:hover { background: #f3f4f6; }
.cam-item.active { background: #fdecec; }
.cam-item img { width: 88px; height: 50px; object-fit: cover; border-radius: 6px; background: #e5e7eb; flex: none; }
.cam-item .ci-body { min-width: 0; }
.cam-item .ci-name { font-size: 13.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cam-item .ci-sub { font-size: 11.5px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: flex; align-items: center; gap: 5px; }
.cam-item .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--c); flex: none; }
.list-empty { padding: 40px 16px; text-align: center; color: var(--muted); font-size: 13px; }

/* ---------- player panel ---------- */
#panel {
  position: absolute; top: 0; right: 0; bottom: 0;
  width: var(--panel-w);
  background: var(--panel);
  z-index: 1100;
  transform: translateX(105%);
  transition: transform .28s cubic-bezier(.2,.8,.2,1);
  overflow-y: auto;
  box-shadow: var(--shadow);
  display: flex; flex-direction: column;
}
#panel.open { transform: translateX(0); }
.panel-drag { display: none; }
.panel-head { display: flex; align-items: flex-start; gap: 8px; padding: 14px 10px 10px 16px; }
.panel-titles { flex: 1; min-width: 0; }
.panel-titles h2 { margin: 4px 0 2px; font-size: 18px; line-height: 1.3; }
#panel-sub { font-size: 12.5px; }
.cat-chip { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 600; color: #fff; background: var(--c, #777); border-radius: 999px; padding: 2px 9px; }
.player-wrap { position: relative; width: 100%; aspect-ratio: 16 / 9; background: #000; flex: none; }
#player, #player iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.player-note { position: absolute; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,.72); color: #fff; font-size: 12px; padding: 8px 12px; line-height: 1.5; }
.panel-actions { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px 16px 4px; }
.panel-orig { font-size: 12px; padding: 6px 16px 0; line-height: 1.5; word-break: break-all; }
.nearby { padding: 8px 16px 0; }
.nearby h3 { font-size: 13px; margin: 10px 0 6px; color: var(--muted); font-weight: 600; }
.nearby-list { display: flex; flex-direction: column; gap: 2px; margin: 0 -6px; }
.panel-foot { font-size: 11px; padding: 14px 16px 18px; margin-top: auto; line-height: 1.6; }

/* ---------- multi view ---------- */
#btn-multi { background: var(--bar-2); color: var(--text-inv); position: relative; }
#btn-multi:hover { background: #2a2f3a; }
#btn-multi.active { background: #fff; color: #111; }
.multi-count { display: inline-flex; align-items: center; justify-content: center; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 999px; background: var(--accent); color: #fff; font-size: 11px; margin-left: 2px; }
#multi { position: absolute; inset: 0; z-index: 1010; background: #0b0d12; display: flex; flex-direction: column; }
.multi-head { display: flex; align-items: center; gap: 8px; padding: 8px 12px; color: var(--text-inv); border-bottom: 1px solid #262a33; flex-wrap: wrap; }
.multi-head strong { font-size: 14px; }
.multi-hint { font-size: 12px; color: #9aa3b2; }
.multi-spacer { flex: 1; }
.multi-grid { flex: 1; display: grid; grid-template-columns: repeat(2, 1fr); grid-template-rows: repeat(2, 1fr); gap: 6px; padding: 6px; min-height: 0; }
.multi-grid.has-big { grid-template-columns: 2.2fr 1fr; grid-template-rows: repeat(3, 1fr); }
.slot { position: relative; background: #000; border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; min-height: 0; border: 2px solid transparent; }
.slot.target { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(229,50,45,.25); }
.slot.big { grid-column: 1; grid-row: 1 / span 3; }
.multi-grid.has-big .slot:not(.big) { grid-column: 2; }
.slot-head { display: flex; align-items: center; gap: 6px; padding: 5px 8px; background: #171a21; color: var(--text-inv); font-size: 12.5px; flex: none; }
.slot-num { width: 18px; height: 18px; border-radius: 50%; background: var(--accent); color: #fff; font-size: 11px; font-weight: 700; display: inline-flex; align-items: center; justify-content: center; flex: none; }
.slot-name { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 600; }
.slot-btn { background: transparent; border: 0; color: #c7cdd8; cursor: pointer; font-size: 13px; padding: 2px 5px; border-radius: 6px; text-decoration: none; line-height: 1; }
.slot-btn:hover { background: rgba(255,255,255,.12); color: #fff; }
.slot-btn.on { color: #fff; background: var(--accent); }
.slot-body { flex: 1; position: relative; min-height: 0; }
.slot-body iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.slot-empty { position: absolute; inset: 0; width: 100%; height: 100%; background: #171a21; border: 2px dashed #3a4050; border-radius: 10px; color: #c7cdd8; font: inherit; cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; }
.slot-empty:hover { background: #1f232c; border-color: #6b7280; }
.slot-empty b { font-size: 16px; }
.slot-empty small { color: #8b93a3; font-size: 12px; }
.slot-noembed { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; padding: 12px; text-align: center; color: #c7cdd8; background: #171a21; }
.slot-noembed b { font-size: 14px; color: #fff; }
.slot-noembed small { font-size: 12px; color: #8b93a3; }
.slot-noembed-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 4px; }
.slot-noembed-actions .pill-btn { padding: 6px 12px; font-size: 12px; }
.off-badge.noembed { color: #1d4ed8; background: #dbeafe; }
.slot-note { position: absolute; left: 0; right: 0; bottom: 0; background: rgba(0,0,0,.72); color: #fff; font-size: 11.5px; padding: 6px 10px; }
@media (max-width: 860px) {
  .multi-hint { display: none; }
  .multi-head .pill-btn { padding: 6px 10px; font-size: 12px; }
  #multi { overflow-y: auto; }
  .multi-grid, .multi-grid.has-big { grid-template-columns: 1fr; grid-template-rows: none; grid-auto-rows: auto; flex: none; }
  .slot, .slot.big, .multi-grid.has-big .slot:not(.big) { grid-column: auto; grid-row: auto; }
  .slot-body { aspect-ratio: 16 / 9; }
}

/* ---------- markers ---------- */
.cam-marker { background: transparent; border: 0; }
.cam-pin {
  display: block; width: 26px; height: 26px; border-radius: 50%;
  background: var(--c, #e5322d);
  border: 2.5px solid #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,.35);
  transition: transform .12s;
  position: relative;
}
.cam-pin::after { content: ""; position: absolute; left: 50%; top: 50%; width: 8px; height: 8px; margin: -4px 0 0 -4px; border-radius: 50%; background: #fff; opacity: .95; }
.cam-marker:hover .cam-pin, .cam-marker.active .cam-pin { transform: scale(1.25); }
.cam-marker.active .cam-pin { box-shadow: 0 0 0 5px rgba(229,50,45,.3), 0 2px 8px rgba(0,0,0,.35); }
.leaflet-tooltip.cam-tip { font-family: var(--font); font-size: 12.5px; font-weight: 600; border-radius: 8px; padding: 5px 9px; }
.cam-cluster { background: rgba(229,50,45,.18); border-radius: 50%; }
.cam-cluster div { background: var(--accent); color: #fff; border-radius: 50%; width: 32px; height: 32px; margin: 4px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 12.5px; font-family: var(--font); box-shadow: 0 2px 6px rgba(0,0,0,.3); }
.leaflet-control-layers, .leaflet-bar { border-radius: 10px !important; box-shadow: 0 2px 10px rgba(0,0,0,.2) !important; border: 0 !important; }
.leaflet-control-attribution { font-size: 10px; background: rgba(255,255,255,.75) !important; }

.cam-marker.offline .cam-pin { opacity: .45; }
.off-badge { font-size: 10px; font-weight: 600; color: #b45309; background: #fef3c7; border-radius: 999px; padding: 1px 6px; vertical-align: middle; }

/* ---------- toast ---------- */
.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); background: #111; color: #fff; padding: 10px 16px; border-radius: 999px; font-size: 13px; z-index: 2000; box-shadow: var(--shadow); }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
  :root { --topbar-h: 52px; }
  .brand-text { display: none; }
  #pref-select { display: none; }
  #btn-random { padding: 8px 10px; }
  .count-badge { display: none; }
  #sidebar { width: min(92vw, 360px); }
  #panel {
    top: auto; left: 0; right: 0; bottom: 0; width: 100%;
    max-height: 72%;
    border-radius: 16px 16px 0 0;
    transform: translateY(105%);
  }
  #panel.open { transform: translateY(0); }
  .panel-drag { display: block; width: 40px; height: 4px; border-radius: 2px; background: #d1d5db; margin: 8px auto 0; }
  .panel-head { padding-top: 6px; }
  .panel-titles h2 { font-size: 16px; }
}