/* 画像の色を邪魔しない、無彩色ベースの落ち着いた配色 */
:root {
  --bg: #f4f4f3;
  --surface: #ffffff;
  --surface-2: #ececea;
  --line: #d9d9d6;
  --text: #1f1f1e;
  --muted: #6b6b68;
  --accent: #2b2b2a;
  --accent-text: #ffffff;
  --thumb-bg: #e2e2df;
  --viewer-bg: #2a2a29;
  --ok: #3f7d4f;
  --warn: #a8641c;
  --danger: #b23b32;
  --focus: #3a6fd8;
  --radius: 8px;
  --shadow: 0 6px 24px rgb(0 0 0 / 0.12);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1b1a;
    --surface: #242423;
    --surface-2: #2e2e2d;
    --line: #3a3a38;
    --text: #e9e9e6;
    --muted: #9b9b97;
    --accent: #e9e9e6;
    --accent-text: #1b1b1a;
    --thumb-bg: #2c2c2b;
    --viewer-bg: #121212;
    --ok: #6fbf83;
    --warn: #e0a15a;
    --danger: #ef7a70;
    --focus: #7fa6ff;
    --shadow: 0 6px 24px rgb(0 0 0 / 0.5);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.6 system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Yu Gothic UI", "Meiryo", sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.modal-open { overflow: hidden; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
[hidden] { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.spacer { flex: 1; }

/* ボタン類 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 34px; padding: 0 14px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  cursor: pointer; white-space: nowrap;
}
.btn:hover:not(:disabled) { background: var(--surface-2); }
.btn:disabled { opacity: 0.45; cursor: default; }
.btn.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.btn.primary:hover:not(:disabled) { opacity: 0.88; background: var(--accent); }
.btn.big { height: 44px; padding: 0 28px; font-size: 15px; }
.btn.small { height: 28px; padding: 0 10px; font-size: 12px; }
.btn.danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn.danger-outline { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, transparent); background: transparent; }
.btn.danger-outline:hover { background: color-mix(in srgb, var(--danger) 10%, transparent); }
.link { background: none; border: 0; padding: 0; color: var(--muted); cursor: pointer; text-decoration: underline; text-underline-offset: 2px; font-size: 12px; }
.link:hover { color: var(--text); }
input[type="text"], input[type="search"], textarea, select {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 6px 10px; min-height: 34px; width: 100%;
}
textarea { resize: vertical; line-height: 1.6; }

/* ログイン・読み込み */
.login, .loading {
  min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; padding: 24px; text-align: center;
}
.login-card { max-width: 440px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 40px 36px; box-shadow: var(--shadow); }
.login-card h1 { margin: 0 0 8px; font-size: 26px; letter-spacing: 0.04em; }
.login-card .lead { margin: 0 0 24px; }
.login-card .note { font-size: 12px; color: var(--muted); margin: 18px 0 0; text-align: left; }
.login-card .note.warn { color: var(--warn); }
.login-error { color: var(--danger); min-height: 1em; margin: 12px 0 0; font-size: 13px; }
.demo-link { font-size: 12px; color: var(--muted); margin: 20px 0 0; }
.demo-link a { color: var(--text); }
.spinner { width: 28px; height: 28px; border: 3px solid var(--line); border-top-color: var(--text); border-radius: 50%; animation: spin 0.8s linear infinite; }
.spinner.tiny { display: inline-block; width: 12px; height: 12px; border-width: 2px; vertical-align: -1px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ヘッダー */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 20px; background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; font-size: 16px; letter-spacing: 0.04em; margin-right: 6px; display: flex; align-items: center; gap: 8px; }
.demo-badge { font-size: 11px; font-weight: 500; padding: 1px 8px; border-radius: 99px; border: 1px solid var(--warn); color: var(--warn); }
.topbar .sort { width: auto; }
.filter-wrap { position: relative; }
.btn .badge:empty { display: none; }
.btn .badge { background: var(--accent); color: var(--accent-text); border-radius: 99px; font-size: 11px; min-width: 18px; height: 18px; padding: 0 5px; display: inline-flex; align-items: center; justify-content: center; }
.btn.has-filter { border-color: var(--text); }
.filter-panel {
  position: absolute; top: calc(100% + 6px); left: 0; z-index: 20; width: min(560px, 92vw);
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; box-shadow: var(--shadow);
}
.filter-panel > p { margin: 0 0 8px; }
.filter-row { display: grid; grid-template-columns: 72px 1fr; gap: 10px; padding: 8px 0; border-top: 1px solid var(--line); align-items: start; }
.filter-name { font-weight: 600; padding-top: 3px; }
.filter-foot { border-top: 1px solid var(--line); padding-top: 10px; display: flex; justify-content: flex-end; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.range-num { width: 76px; min-height: 28px; padding: 2px 6px; font-variant-numeric: tabular-nums; }
.chips .quick { display: inline-flex; gap: 10px; margin-left: 8px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 10px;
  border: 1px solid var(--line); border-radius: 99px; background: var(--surface); cursor: pointer; font-size: 13px;
}
.chip.num { min-width: 32px; justify-content: center; font-variant-numeric: tabular-nums; }
.chip.active { background: var(--accent); color: var(--accent-text); border-color: var(--accent); border-style: solid; }
.chip .n { font-size: 11px; opacity: 0.6; }
.chip .x { opacity: 0.7; }
.upload-status { display: flex; gap: 10px; font-size: 12px; color: var(--muted); }
.upload-status .fail { color: var(--danger); }

/* 保存状況 */
.save-status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); min-width: 70px; }
.save-status .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.save-status[data-status="saving"] .dot { background: var(--warn); animation: pulse 1s ease-in-out infinite; }
.save-status[data-status="saved"] .dot { background: var(--ok); }
.save-status[data-status="error"] { color: var(--danger); font-weight: 600; }
.save-status[data-status="error"] .dot { background: var(--danger); }
@keyframes pulse { 50% { opacity: 0.3; } }

/* アカウント */
.account { position: relative; }
.account-btn {
  display: flex; align-items: center; gap: 6px; height: 34px; padding: 0 8px 0 10px;
  border: 1px solid var(--line); border-radius: 99px; background: var(--surface); cursor: pointer; font-size: 12px;
}
.account-btn img { width: 24px; height: 24px; border-radius: 50%; }
.conn-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: var(--ok); flex: none; }
.conn-dot[data-conn="reconnect"] { background: var(--danger); }
.account-menu {
  display: none; position: absolute; right: 0; top: calc(100% + 6px); width: 280px; z-index: 20;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; box-shadow: var(--shadow);
}
.account.open .account-menu { display: block; }
.account-menu p { margin: 0 0 8px; }
.conn-text { display: flex; align-items: center; gap: 8px; }

/* 件数・絞り込み表示 */
.resultbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 10px 20px 0; min-height: 38px; }
.resultbar .count { color: var(--muted); font-size: 13px; margin-right: 4px; font-variant-numeric: tabular-nums; }

/* 一覧（石積み） */
.grid-wrap { padding: 12px 20px 200px; } /* 最下段のスライダーが開ける余白 */
.grid { display: flex; gap: 14px; align-items: flex-start; }
.grid.empty { display: block; }
.col { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 14px; }
.tile {
  display: block; width: 100%; position: relative;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
}
.tile:hover, .tile:focus-within, .tile.dragging { z-index: 5; }
.thumb {
  background: var(--thumb-bg); display: flex; align-items: center; justify-content: center; position: relative; overflow: hidden;
  border-radius: calc(var(--radius) - 1px) calc(var(--radius) - 1px) 0 0;
}
.thumb img { width: 100%; height: 100%; object-fit: contain; display: block; }
.thumb.loading img, .thumb.failed img { visibility: hidden; }
.thumb.loading::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent, rgb(255 255 255 / 0.08), transparent); animation: shimmer 1.2s infinite; }
.thumb.failed::after { content: attr(data-msg); position: absolute; color: var(--muted); font-size: 12px; }
@keyframes shimmer { from { transform: translateX(-100%); } to { transform: translateX(100%); } }
.tile-delete {
  position: absolute; top: 6px; right: 6px; width: 26px; height: 26px; border-radius: 50%;
  border: 0; background: rgb(0 0 0 / 0.55); color: #fff; font-size: 15px; line-height: 1; cursor: pointer;
  opacity: 0; transition: opacity 0.12s;
}
.tile-delete:hover { background: var(--danger); }
.tile:hover .tile-delete, .tile-delete:focus-visible { opacity: 1; }

/* 普段は点数だけ */
.tile-foot { position: relative; }
.scores { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; padding: 6px; }
.score {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 2px 0 3px; border-radius: 6px; background: var(--surface-2); line-height: 1.25;
}
.score-name { color: var(--muted); font-size: 10px; }
.score-val { font-weight: 700; font-size: 13px; font-variant-numeric: tabular-nums; }

/* マウスを乗せるとスライダーが開く（点数の行に重なって下に伸びる） */
.sliders {
  position: absolute; top: 0; left: -1px; right: -1px;
  display: none; flex-direction: column; gap: 2px; padding: 6px 10px 8px;
  background: var(--surface); border: 1px solid var(--line); border-top: 0;
  border-radius: 0 0 var(--radius) var(--radius); box-shadow: var(--shadow);
}
.tile:hover .sliders, .tile:focus-within .sliders, .tile.dragging .sliders { display: flex; }
/* 名前｜バー｜数字 を1行に */
.slider-row { display: grid; grid-template-columns: 4.2em 1fr 3.3em; align-items: center; gap: 6px; font-size: 12px; }
.slider-name { font-weight: 700; white-space: nowrap; }
.slider-value { font-variant-numeric: tabular-nums; font-weight: 700; font-size: 13px; text-align: right; }
.slider-row input[type="range"] {
  direction: rtl; /* 2 を左、-2 を右に */
  width: 100%; min-width: 0; margin: 0; height: 22px; background: transparent; cursor: pointer;
  -webkit-appearance: none; appearance: none;
}
.slider-row input[type="range"]::-webkit-slider-runnable-track {
  height: 4px; border-radius: 2px; background: var(--line);
}
.slider-row input[type="range"]::-moz-range-track { height: 4px; border-radius: 2px; background: var(--line); }
.slider-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px; margin-top: -7px; border-radius: 50%;
  background: var(--accent); border: 2px solid var(--surface); box-shadow: 0 0 0 1px var(--accent);
}
.slider-row input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%; background: var(--accent); border: 2px solid var(--surface);
}

.tile.pending { cursor: default; }
.tile.pending .thumb img { opacity: 0.45; }
.pending-overlay { padding: 8px 10px; font-size: 12px; display: flex; flex-direction: column; gap: 4px; }
.pending-overlay .fail { color: var(--danger); font-weight: 600; }

.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-state p { margin: 4px 0; }
.drop-hint {
  border: 2px dashed var(--line); border-radius: 16px; padding: 80px 20px; cursor: pointer; max-width: 760px; margin: 30px auto;
}
.drop-hint:hover { border-color: var(--muted); }
.drop-hint strong { color: var(--text); font-size: 16px; }
.big-plus { font-size: 44px; line-height: 1; margin-bottom: 12px; color: var(--muted); }
.drop-overlay {
  display: none; position: fixed; inset: 0; z-index: 100; background: rgb(0 0 0 / 0.45);
  align-items: center; justify-content: center; pointer-events: none;
}
.drop-overlay div { padding: 40px 60px; border: 2px dashed #fff; border-radius: 16px; color: #fff; font-size: 18px; }
body.dragging .drop-overlay { display: flex; }

/* ダイアログ・通知 */
dialog.confirm {
  border: 1px solid var(--line); border-radius: 14px; padding: 22px 24px; max-width: 440px; width: 92vw;
  background: var(--surface); color: var(--text); box-shadow: var(--shadow);
}
dialog.confirm::backdrop { background: rgb(0 0 0 / 0.45); }
dialog.confirm h2 { margin: 0 0 10px; font-size: 17px; }
.confirm-body p { margin: 0 0 8px; }
.confirm-body ul { margin: 0 0 8px; padding-left: 20px; }
.confirm-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.toasts { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast { background: var(--accent); color: var(--accent-text); padding: 10px 16px; border-radius: 10px; box-shadow: var(--shadow); max-width: 640px; font-size: 13px; transition: opacity 0.3s; }
.toast.error { background: var(--danger); color: #fff; }
.toast.out { opacity: 0; }

@media (max-width: 900px) {
  .topbar .sort { max-width: 160px; }
}