/* ============================================================
 *  ODD METER — Glassmorphism Stylesheet
 * ============================================================ */

/* ---------- デザイントークン ---------- */
:root {
  --bg-0: #07070d;
  --bg-1: #0c0c17;
  --text: #eef0fb;
  --text-dim: #9aa0c2;
  --text-faint: #6b7099;

  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-bg-strong: rgba(255, 255, 255, 0.09);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);

  --accent: #7c5cff;
  --accent-2: #19d3da;
  --accent-3: #ff5c8a;
  --accent-grad: linear-gradient(120deg, #7c5cff 0%, #19d3da 60%, #ff5c8a 120%);

  --radius: 20px;
  --radius-sm: 13px;
  --blur: 18px;
  --maxw: 1760px; /* ワイド画面では本体も横幅をフル活用（グリッド列数が自動で増える） */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

:root[data-theme="light"] {
  --bg-0: #eef1fb;
  --bg-1: #dfe4f5;
  --text: #1a1c2e;
  --text-dim: #4a5070;
  --text-faint: #7a80a0;
  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-bg-strong: rgba(255, 255, 255, 0.72);
  --glass-border: rgba(255, 255, 255, 0.7);
  --glass-shadow: 0 8px 32px rgba(60, 70, 130, 0.18);
}

/* ---------- リセット ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", "Noto Sans JP", system-ui, sans-serif;
  background: var(--bg-0);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background 0.5s var(--ease), color 0.4s var(--ease);
}
svg { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select { font-family: inherit; }
img { display: block; max-width: 100%; }

/* ---------- 背景演出 ---------- */
.bg-orbs { position: fixed; inset: 0; z-index: -2; overflow: hidden; }
.orb { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.55; animation: float 22s var(--ease) infinite; }
.orb-1 { width: 520px; height: 520px; background: #7c5cff; top: -160px; left: -120px; }
.orb-2 { width: 480px; height: 480px; background: #19d3da; bottom: -180px; right: -100px; animation-delay: -7s; }
.orb-3 { width: 400px; height: 400px; background: #ff5c8a; top: 40%; left: 55%; animation-delay: -14s; opacity: 0.4; }
:root[data-theme="light"] .orb { opacity: 0.4; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(60px, -50px) scale(1.1); }
  66% { transform: translate(-40px, 40px) scale(0.95); }
}
.bg-grid {
  position: fixed; inset: 0; z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 30%, transparent 80%);
}

/* ---------- ガラス共通 ---------- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(160%);
  border: 1px solid var(--glass-border);
  /* 上辺にうっすら光が当たったようなインナーハイライトで質感を出す */
  box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255, 255, 255, 0.07);
}

/* ---------- 細部の質感 ---------- */
::selection { background: rgba(124, 92, 255, 0.45); color: #fff; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: rgba(124, 92, 255, 0.35); border-radius: 999px;
  border: 2px solid transparent; background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background-color: rgba(124, 92, 255, 0.6); }
button:focus-visible, a:focus-visible, select:focus-visible {
  outline: 2px solid var(--accent-2); outline-offset: 2px; border-radius: 8px;
}

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px clamp(16px, 4vw, 40px);
  border-radius: 0;
  border-left: none; border-right: none; border-top: none;
}
/* ヘッダー下端にアクセントカラーのヘアライン */
.site-header::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
  background: linear-gradient(90deg, transparent 0%, rgba(124,92,255,0.55) 30%, rgba(25,211,218,0.55) 55%, rgba(255,92,138,0.4) 75%, transparent 100%);
  pointer-events: none;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark { display: flex; align-items: flex-end; gap: 3px; height: 30px; }
.brand-mark span {
  width: 4px; border-radius: 4px; background: var(--accent-grad);
  animation: eq 1.1s ease-in-out infinite;
}
.brand-mark span:nth-child(1) { height: 40%; animation-delay: 0s; }
.brand-mark span:nth-child(2) { height: 80%; animation-delay: 0.15s; }
.brand-mark span:nth-child(3) { height: 55%; animation-delay: 0.3s; }
.brand-mark span:nth-child(4) { height: 100%; animation-delay: 0.45s; }
.brand-mark span:nth-child(5) { height: 65%; animation-delay: 0.6s; }
@keyframes eq { 0%, 100% { transform: scaleY(0.5); } 50% { transform: scaleY(1); } }
.brand-text h1 { font-family: "Outfit", sans-serif; font-size: 1.3rem; font-weight: 900; letter-spacing: 0.04em; }
.brand-text p { font-size: 0.72rem; color: var(--text-dim); letter-spacing: 0.02em; }

.header-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center; color: var(--text);
  transition: transform 0.2s var(--ease), background 0.2s;
}
.icon-btn:hover { transform: translateY(-2px); background: var(--glass-bg-strong); }
.i-sun { display: none; }
:root[data-theme="light"] .i-moon { display: none; }
:root[data-theme="light"] .i-sun { display: block; }

/* 投稿フォームCTA（ホバーでグラデーションが流れる） */
.cta-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0 18px; height: 42px; border-radius: 12px;
  font-size: 0.88rem; font-weight: 700; color: #fff; text-decoration: none;
  background: var(--accent-grad); background-size: 170% 100%; background-position: 0% 50%;
  box-shadow: 0 6px 18px rgba(124,92,255,0.4);
  transition: transform 0.2s var(--ease), box-shadow 0.2s, background-position 0.5s var(--ease);
  white-space: nowrap;
}
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(124,92,255,0.55); background-position: 100% 50%; }
.cta-btn svg { stroke: #fff; stroke-width: 2.5; }

/* 表示切替アイコン: 次に切り替わる形を表示 */
.i-grid { display: none; }
:root[data-view="list"] .i-list { display: none; }
:root[data-view="list"] .i-grid { display: block; }

.data-status {
  display: flex; align-items: center; gap: 7px;
  font-size: 0.72rem; color: var(--text-dim);
  padding: 6px 12px; border-radius: 999px;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-faint); }
.data-status[data-kind="live"] .status-dot { background: #2ee6a0; box-shadow: 0 0 10px #2ee6a0; animation: pulse 2s infinite; }
.data-status[data-kind="sample"] .status-dot { background: #ffb020; }
.data-status[data-kind="loading"] .status-dot { background: var(--accent-2); animation: pulse 1s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ---------- レイアウト ---------- */
main { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(16px, 4vw, 40px) 80px; }

/* 2カラム: サイドバー + 本体 */
.layout { display: grid; grid-template-columns: 248px minmax(0, 1fr); gap: 24px; align-items: start; margin-top: 28px; }
.content { min-width: 0; }

/* サイドバー */
.sidebar { border-radius: var(--radius); padding: 16px; position: sticky; top: 86px; max-height: calc(100vh - 110px); display: flex; flex-direction: column; }
.sidebar-inner { display: flex; flex-direction: column; min-height: 0; flex: 1; }
.sidebar-toggle { display: none; } /* PCでは非表示（モバイルでトグルとして表示） */
.sidebar-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 12px; }
.sidebar-title { font-family: "Outfit", sans-serif; font-weight: 700; font-size: 0.95rem; }
.sidebar-count { font-size: 0.72rem; color: var(--text-dim); }
.artist-search-wrap { margin-bottom: 10px; }
#artistSearch { width: 100%; padding: 9px 12px; border-radius: 10px; background: rgba(255,255,255,0.05); border: 1px solid var(--glass-border); color: var(--text); font-size: 0.82rem; outline: none; transition: border-color 0.2s, background 0.2s; }
#artistSearch::placeholder { color: var(--text-faint); }
#artistSearch:focus { border-color: var(--accent); background: rgba(124,92,255,0.08); box-shadow: 0 0 0 3px rgba(124,92,255,0.16); }
.artist-sort { display: flex; gap: 2px; padding: 3px; margin-bottom: 10px; border-radius: 999px; background: rgba(255,255,255,0.05); border: 1px solid var(--glass-border); }
.asort-btn { flex: 1; font-size: 0.74rem; font-weight: 600; color: var(--text-dim); padding: 5px 0; border-radius: 999px; transition: all 0.18s var(--ease); }
.asort-btn:hover { color: var(--text); }
.asort-btn.active { background: var(--accent-grad); color: #fff; box-shadow: 0 2px 10px rgba(124,92,255,0.35); }
.artist-list { overflow-y: auto; display: flex; flex-direction: column; gap: 2px; padding-right: 4px; scrollbar-width: thin; scrollbar-color: var(--glass-border) transparent; }
.artist-list::-webkit-scrollbar { width: 6px; }
.artist-list::-webkit-scrollbar-thumb { background: var(--glass-border); border-radius: 999px; }
.artist-item { display: flex; align-items: center; justify-content: space-between; gap: 8px; text-align: left; padding: 8px 10px; border-radius: 9px; transition: background 0.15s, color 0.15s; color: var(--text-dim); }
.artist-item:hover { background: rgba(255,255,255,0.06); color: var(--text); transform: translateX(3px); }
.artist-item { transition: background 0.15s, color 0.15s, transform 0.2s var(--ease); }
.artist-item.active { background: var(--accent-grad); color: #fff; box-shadow: 0 4px 14px rgba(124,92,255,0.4); }
.artist-name { font-size: 0.84rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.artist-count { font-size: 0.7rem; font-variant-numeric: tabular-nums; opacity: 0.7; flex-shrink: 0; background: rgba(255,255,255,0.08); padding: 1px 8px; border-radius: 999px; }
.artist-item.active .artist-count { background: rgba(255,255,255,0.25); opacity: 1; }
.artist-empty { font-size: 0.8rem; color: var(--text-faint); text-align: center; padding: 20px 0; }

/* ---------- ヒーロー（統計ダッシュボード） ---------- */
.hero { padding: clamp(24px, 4vw, 40px) 0 8px; }
.hero-copy { max-width: 760px; }
.hero-title { font-family: "Outfit", "Noto Sans JP", sans-serif; font-weight: 900; line-height: 1.12; font-size: clamp(2rem, 5.5vw, 3.6rem); letter-spacing: -0.01em; }
.hero-title .line { display: block; }
.gradient-text {
  background: var(--accent-grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.hero-sub { margin-top: 18px; font-size: clamp(0.95rem, 1.6vw, 1.12rem); color: var(--text-dim); max-width: 600px; }

/* ---------- 統計ダッシュボード ---------- */
/* 左に3指標を縦積み、右に拍子の分布。3指標の合計高さが分布カードと揃う */
.stats-dash {
  margin-top: 0;
  display: grid; gap: 16px;
  grid-template-columns: minmax(260px, 1fr) 1.7fr;
  align-items: stretch;
}
.stats-col { display: grid; grid-template-rows: repeat(3, 1fr); gap: 16px; }
.stat-card { border-radius: var(--radius); padding: 18px 22px; }
/* 指標カード: ラベルと数字を横並び。ラベル列を固定幅にして数字の頭を全カードで揃える */
.stat-row { display: grid; grid-template-columns: 8.6em 1fr; align-items: center; gap: 10px; }
.stat-label { font-size: 0.82rem; color: var(--text-dim); letter-spacing: 0.02em; white-space: nowrap; }
.stat-num {
  font-family: "Outfit", sans-serif; font-size: clamp(1.5rem, 2.4vw, 2.1rem); font-weight: 900;
  line-height: 1; justify-self: start; font-variant-numeric: tabular-nums;
  background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.mini-chart-head { display: flex; justify-content: space-between; align-items: baseline; font-size: 0.78rem; color: var(--text-dim); margin-bottom: 12px; }
.mini-chart-hint { font-size: 0.7rem; color: var(--accent-2); font-weight: 600; }

.bars { display: flex; flex-direction: column; gap: 7px; }
.bar-row { display: grid; grid-template-columns: 42px 1fr 28px; align-items: center; gap: 10px; font-size: 0.74rem; transition: opacity 0.2s; }
/* グラフにホバーすると注目した行だけが浮き上がる */
.bars:hover .bar-row { opacity: 0.45; }
.bars .bar-row:hover { opacity: 1; }
.bar-row:hover .bar-key { color: var(--accent-2); }
.bar-key { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }
.bar-track { height: 8px; border-radius: 999px; background: rgba(255,255,255,0.08); overflow: hidden; }
.bar-fill { display: block; height: 100%; border-radius: 999px; background: var(--accent-grad); transition: width 0.9s var(--ease); }
.bar-val { text-align: right; color: var(--text-dim); font-variant-numeric: tabular-nums; }

/* ---------- コントロールバー ---------- */
.controls {
  margin-top: 32px; padding: 14px; border-radius: var(--radius);
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
  position: sticky; top: 78px; z-index: 30;
}
.search-wrap { position: relative; flex: 1; min-width: 240px; display: flex; align-items: center; }
.search-icon { position: absolute; left: 16px; color: var(--text-faint); pointer-events: none; }
#searchInput {
  width: 100%; padding: 13px 48px 13px 46px; border-radius: 12px;
  background: rgba(255,255,255,0.05); border: 1px solid var(--glass-border);
  color: var(--text); font-size: 0.95rem; outline: none;
  transition: border-color 0.2s, background 0.2s;
}
#searchInput::placeholder { color: var(--text-faint); }
#searchInput:focus { border-color: var(--accent); background: rgba(124,92,255,0.08); box-shadow: 0 0 0 3px rgba(124,92,255,0.16); }
.kbd { position: absolute; right: 14px; font-size: 0.72rem; color: var(--text-faint); border: 1px solid var(--glass-border); border-radius: 6px; padding: 2px 7px; background: rgba(255,255,255,0.04); }

.control-group { display: flex; gap: 12px; }
.select-wrap { display: flex; align-items: center; gap: 8px; }
.select-wrap label { font-size: 0.78rem; color: var(--text-dim); white-space: nowrap; }
#sortSelect {
  padding: 11px 14px; border-radius: 12px; color: var(--text);
  background: rgba(255,255,255,0.05); border: 1px solid var(--glass-border);
  font-size: 0.88rem; outline: none; cursor: pointer;
}
#sortSelect option { background: var(--bg-1); color: var(--text); }

/* ---------- フィルタチップ ---------- */
.filters { margin-top: 22px; display: flex; flex-direction: column; gap: 14px; }
.filter-row { display: flex; align-items: flex-start; gap: 14px; flex-wrap: wrap; }
.filter-label { font-size: 0.76rem; color: var(--text-dim); padding-top: 7px; min-width: 42px; letter-spacing: 0.04em; text-align: left; }
.flt-caret { display: none; stroke-width: 2.5; transition: transform 0.25s var(--ease); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 6px 14px; border-radius: 999px; font-size: 0.82rem; font-weight: 500;
  background: var(--glass-bg); border: 1px solid var(--glass-border); color: var(--text-dim);
  transition: all 0.18s var(--ease); font-variant-numeric: tabular-nums;
}
.chip:hover { color: var(--text); transform: translateY(-1px); border-color: rgba(255,255,255,0.25); }
.chip.chip-odd { color: var(--text); border-color: rgba(124,92,255,0.4); }
.chip.active { background: var(--accent-grad); color: #fff; border-color: transparent; box-shadow: 0 4px 16px rgba(124,92,255,0.4); animation: chipPop 0.3s var(--ease); }
@keyframes chipPop { 0% { transform: scale(0.92); } 60% { transform: scale(1.07); } 100% { transform: scale(1); } }
:root[data-theme="light"] .chip.active { color: #fff; }
.chip-empty { font-size: 0.78rem; color: var(--text-faint); padding: 6px 0; }
/* 分母ごとの改行（flexコンテナを強制改行） */
.chip-break { flex-basis: 100%; height: 0; }

/* ---------- 結果バー ---------- */
.result-bar { margin: 26px 0 16px; display: flex; align-items: center; justify-content: space-between; }
.result-count { font-size: 0.85rem; color: var(--text-dim); }
.text-btn { font-size: 0.82rem; color: var(--accent-2); transition: opacity 0.2s; }
.text-btn:hover { opacity: 0.7; }
.clear-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.8rem; font-weight: 600; color: var(--text);
  padding: 7px 14px; border-radius: 999px;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  transition: all 0.18s var(--ease);
}
.clear-btn:hover { border-color: var(--accent-3); color: var(--accent-3); transform: translateY(-1px); }
.clear-btn svg { stroke-width: 2.5; }

/* 拍子フィルタ OR/AND トグル */
.meter-mode {
  display: inline-flex; gap: 2px; padding: 3px; border-radius: 999px;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
}
.mode-btn {
  font-size: 0.74rem; font-weight: 600; color: var(--text-dim);
  padding: 4px 11px; border-radius: 999px; transition: all 0.18s var(--ease); white-space: nowrap;
}
.mode-btn:hover { color: var(--text); }
.mode-btn.active { background: var(--accent-grad); color: #fff; box-shadow: 0 2px 10px rgba(124,92,255,0.4); }

/* グリッド⇄リスト切替時のフェード */
.view-fade { animation: viewFade 0.35s var(--ease); }
@keyframes viewFade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- カードグリッド ---------- */
.grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fill, minmax(238px, 1fr));
}
.card {
  position: relative;
  border-radius: var(--radius); overflow: hidden; cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s;
  animation: cardIn 0.5s var(--ease) backwards;
  display: flex; flex-direction: column;
}
@keyframes cardIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: translateY(0); } }
.card:hover { transform: translateY(-6px); border-color: rgba(124,92,255,0.45); box-shadow: 0 18px 44px rgba(0,0,0,0.5), 0 0 0 1px rgba(124,92,255,0.2); }
/* ホバー時に斜めの光がスッと走るシャイン */
.card::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 2;
  background: linear-gradient(105deg, transparent 42%, rgba(255,255,255,0.08) 50%, transparent 58%);
  transform: translateX(-130%); transition: transform 0.7s var(--ease);
}
.card:hover::after { transform: translateX(130%); }

.card-thumb { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-1); }
.card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s var(--ease); }
.card:hover .card-thumb img { transform: scale(1.07); }
.thumb-fallback {
  position: absolute; inset: 0; display: none; place-items: center;
  background: linear-gradient(135deg, rgba(124,92,255,0.35), rgba(25,211,218,0.25));
}
.thumb-fallback span { font-family: "Outfit", sans-serif; font-size: 2rem; font-weight: 900; color: rgba(255,255,255,0.85); }
.card-thumb.no-thumb img { display: none; }
.card-thumb.no-thumb .thumb-fallback { display: grid; }

.play-badge {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.8);
  width: 52px; height: 52px; border-radius: 50%;
  background: rgba(10,10,20,0.55); backdrop-filter: blur(6px);
  display: grid; place-items: center; opacity: 0; color: #fff;
  transition: all 0.3s var(--ease); border: 1px solid rgba(255,255,255,0.3);
}
.play-badge svg { fill: #fff; stroke: none; }
.card:hover .play-badge { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.card-diff {
  position: absolute; top: 10px; right: 10px; font-size: 0.7rem; font-weight: 600;
  padding: 4px 10px; border-radius: 999px; color: #fff;
  background: rgba(10,10,20,0.6); backdrop-filter: blur(6px); border: 1px solid rgba(255,255,255,0.18);
}

.card-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-title { font-size: 1rem; font-weight: 700; line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-artist { font-size: 0.82rem; color: var(--text-dim); margin-top: -2px; }
.card-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; }
.tag {
  font-size: 0.72rem; font-weight: 600; padding: 3px 9px; border-radius: 7px;
  background: rgba(255,255,255,0.07); color: var(--text-dim); border: 1px solid var(--glass-border);
  font-variant-numeric: tabular-nums;
}
/* 拍子タグ: 分母（音価の細かさ＝難易度の目安）で色分け */
.tag.m-d4  { color: #fff; background: linear-gradient(120deg, #12b3c9, #19d3da); border-color: transparent; }   /* /2・/4 易 */
.tag.m-d8  { color: #fff; background: linear-gradient(120deg, #6d54ff, #9b6bff); border-color: transparent; }   /* /8 中 */
.tag.m-d16 { color: #fff; background: linear-gradient(120deg, #ff5c8a, #ff7a5c); border-color: transparent; }   /* /16 難 */
.tag.m-d32 { color: #fff; background: linear-gradient(120deg, #ff2d55, #b5179e); border-color: transparent; }   /* /32〜 激 */
.tag-muted { opacity: 0.6; }

/* ---------- リスト表示（サムネ｜曲名｜アーティスト｜難易度｜拍子タグ） ---------- */
.card-diff-inline { display: none; } /* グリッド表示ではサムネ上のバッジを使うため非表示 */
:root[data-view="list"] .grid { grid-template-columns: 1fr; gap: 8px; }
:root[data-view="list"] .card { flex-direction: row; align-items: stretch; }
/* リスト行はホバーで右へスッと寄ってアクセント */
:root[data-view="list"] .card:hover { transform: translateX(5px); box-shadow: 0 8px 24px rgba(0,0,0,0.35), inset 2px 0 0 var(--accent); }
:root[data-view="list"] .card-thumb { flex: 0 0 auto; width: 124px; aspect-ratio: 16 / 9; }
:root[data-view="list"] .card:hover .card-thumb img { transform: none; }
:root[data-view="list"] .play-badge,
:root[data-view="list"] .card-diff { display: none; }
:root[data-view="list"] .card-body {
  display: grid; grid-template-columns: minmax(0, 2.4fr) minmax(0, 1.6fr) minmax(0, 0.9fr) minmax(0, 2fr);
  align-items: center; gap: 16px; padding: 10px 18px;
}
:root[data-view="list"] .card-diff-inline {
  display: block; font-size: 0.8rem; color: var(--text-dim);
  white-space: nowrap; letter-spacing: 0.06em;
}
:root[data-view="list"] .card-title { -webkit-line-clamp: 1; font-size: 0.95rem; }
:root[data-view="list"] .card-artist { margin-top: 0; }
:root[data-view="list"] .card-tags { margin-top: 0; }
/* 狭い画面では難易度カラムを畳み、曲名・アーティスト・拍子を縦に積む。
   難易度は情報量を確保するためサムネ右上のバッジで表示する。 */
@media (max-width: 640px) {
  :root[data-view="list"] .card-thumb { width: 104px; }
  :root[data-view="list"] .card-body { grid-template-columns: 1fr; gap: 3px; padding: 8px 12px; }
  :root[data-view="list"] .card-diff-inline { display: none; }
  :root[data-view="list"] .card-diff {
    display: block; top: 5px; right: 5px; font-size: 0.6rem; padding: 2px 7px;
  }
}

/* ---------- 空状態 ---------- */
.empty-state { text-align: center; padding: 80px 20px; color: var(--text-dim); }
.empty-emoji { font-size: 3.5rem; margin-bottom: 16px; }
.ghost-btn { margin-top: 18px; padding: 10px 22px; border-radius: 12px; border: 1px solid var(--glass-border); background: var(--glass-bg); color: var(--text); transition: all 0.2s; }
.ghost-btn:hover { background: var(--glass-bg-strong); transform: translateY(-2px); }

/* ---------- フッター ---------- */
.site-footer {
  text-align: center;
  padding: 44px 20px 60px;
  color: var(--text-faint); font-size: 0.82rem;
}
.credits { display: inline-flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 18px; }
.credits-label { font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-dim); opacity: 0.8; }
/* ダーク背景でも読める明るさに（サイズは小さいまま主張は控えめ） */
.credit-item { display: inline-flex; align-items: center; gap: 7px; color: var(--text); opacity: 0.82; text-decoration: none; font-size: 0.82rem; transition: opacity 0.2s, color 0.2s; }
.credit-item:hover { opacity: 1; }
.credit-item .x-icon { width: 13px; height: 13px; fill: currentColor; stroke: none; opacity: 0.9; flex-shrink: 0; }
.credit-handle { color: var(--text-dim); font-size: 0.74rem; margin-left: 5px; }
/* スマホでは縦積み・Xアイコン基準で左端をきっちり揃える */
@media (max-width: 640px) {
  .credits { flex-direction: column; align-items: flex-start; gap: 12px; }
  .credits-label { align-self: flex-start; }
}

/* ---------- モーダル ---------- */
/* hidden属性が付いている間は確実に非表示にする（display:grid の上書きを防ぐ） */
.modal-backdrop[hidden] { display: none; }
.modal-backdrop {
  position: fixed; inset: 0; z-index: 100; display: grid; place-items: center;
  background: rgba(5,5,12,0.6); backdrop-filter: blur(8px);
  padding: 20px; opacity: 0; transition: opacity 0.25s var(--ease);
}
.modal-backdrop.open { opacity: 1; }
.modal {
  width: min(920px, 100%); max-height: 90vh; overflow-y: auto;
  border-radius: 24px; position: relative;
  transform: translateY(20px) scale(0.97); transition: transform 0.3s var(--ease);
  background: var(--glass-bg-strong);
}
.modal-backdrop.open .modal { transform: translateY(0) scale(1); }
.modal-close { position: absolute; top: 14px; right: 14px; z-index: 5; background: rgba(10,10,20,0.5); }
.modal-media { aspect-ratio: 16 / 9; background: #000; border-radius: 24px 24px 0 0; overflow: hidden; }
.modal-media iframe { width: 100%; height: 100%; border: 0; }
.modal-noembed { width: 100%; height: 100%; display: grid; place-items: center; color: var(--text-faint); }
.modal-info { padding: 26px clamp(20px, 4vw, 36px) 32px; }
.modal-title { font-family: "Outfit", "Noto Sans JP", sans-serif; font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 900; }
.modal-artist { color: var(--text-dim); font-size: 1rem; margin-top: 4px; }
.modal-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.meta-pill { font-size: 0.8rem; font-weight: 600; padding: 5px 13px; border-radius: 999px; background: rgba(255,255,255,0.08); border: 1px solid var(--glass-border); color: var(--text); }
.modal-notes { margin-top: 22px; padding: 16px 18px; border-radius: 14px; background: rgba(255,255,255,0.04); border: 1px solid var(--glass-border); }
.notes-label { font-size: 0.72rem; color: var(--accent-2); font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; }
.modal-notes p { margin-top: 6px; color: var(--text); }
.watch-btn {
  display: inline-flex; align-items: center; gap: 8px; margin-top: 24px;
  padding: 12px 22px; border-radius: 12px; font-weight: 700; font-size: 0.9rem;
  color: #fff; text-decoration: none; background: var(--accent-grad);
  box-shadow: 0 8px 24px rgba(124,92,255,0.4); transition: transform 0.2s var(--ease);
}
.watch-btn:hover { transform: translateY(-2px); }
.watch-btn svg { stroke: #fff; }

/* ---------- フォーム選択ポップアップ ---------- */
.form-popup {
  width: min(440px, 100%); position: relative;
  border-radius: 22px; padding: 26px clamp(20px, 4vw, 30px) 24px;
  background: var(--glass-bg-strong);
  transform: translateY(16px) scale(0.97); transition: transform 0.3s var(--ease);
}
.modal-backdrop.open .form-popup { transform: none; }
.form-popup-title {
  font-family: "Outfit", "Noto Sans JP", sans-serif; font-size: 1.12rem; font-weight: 800;
  margin-bottom: 18px; padding-right: 32px;
}
.form-options { display: flex; flex-direction: column; gap: 10px; }
.form-option {
  display: flex; align-items: center; gap: 14px; padding: 13px 15px;
  border-radius: 14px; text-decoration: none; color: var(--text);
  background: rgba(255,255,255,0.05); border: 1px solid var(--glass-border);
  transition: background 0.2s, border-color 0.2s, transform 0.2s var(--ease);
}
.form-option:hover { background: rgba(124,92,255,0.14); border-color: rgba(124,92,255,0.5); transform: translateY(-2px); }
.fo-icon { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 11px; background: var(--accent-grad); flex-shrink: 0; }
.fo-icon svg { stroke: #fff; }
.fo-text { display: flex; flex-direction: column; gap: 2px; min-width: 0; flex: 1; }
.fo-text strong { font-size: 0.94rem; font-weight: 700; }
.fo-text small { font-size: 0.75rem; color: var(--text-dim); }
.fo-arrow { color: var(--text-faint); flex-shrink: 0; transition: transform 0.2s var(--ease), color 0.2s; }
.form-option:hover .fo-arrow { color: var(--accent-2); transform: translateX(3px); }

/* ---------- レスポンシブ ---------- */
@media (max-width: 860px) {
  .stats-dash { grid-template-columns: 1fr; }
  .controls { position: static; }
  /* ヘッダーはスマホでも固定（position: sticky のまま維持） */
  .layout { grid-template-columns: 1fr; }

  /* サイドバー: トグルボタンを常時表示、その下に一覧を展開（アコーディオン） */
  .sidebar {
    position: static; max-height: none; display: block;
    padding: 0; background: transparent; border: none; box-shadow: none; margin-bottom: 16px;
  }
  .sidebar::after { content: none; }
  .sidebar-toggle {
    display: flex; align-items: center; gap: 8px; width: 100%;
    padding: 13px 16px; border-radius: 14px; font-size: 0.9rem; font-weight: 700; color: var(--text);
    background: var(--glass-bg); border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255,255,255,0.07);
    transition: background 0.2s, transform 0.15s var(--ease);
  }
  .sidebar-toggle:active { transform: scale(0.99); }
  .sidebar-toggle svg { color: var(--accent-2); }
  /* 一覧本体: 既定は閉じ、開いたらガラスパネルとして展開 */
  .sidebar-inner { display: none; }
  .sidebar.open .sidebar-inner {
    display: flex; margin-top: 8px; padding: 14px;
    border-radius: var(--radius); background: var(--glass-bg); border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow), inset 0 1px 0 rgba(255,255,255,0.07);
    animation: viewFade 0.3s var(--ease);
  }
  .sidebar-head { display: none; } /* トグルボタンがタイトル役 */
  .sidebar .artist-list { max-height: 52vh; }

  /* フィルタ: 拍子・難易度を畳んでおき、ラベルのタップで展開 */
  .filter-row { flex-direction: column; gap: 10px; }
  .filter-label {
    display: flex; align-items: center; justify-content: space-between; width: 100%;
    padding: 12px 16px; border-radius: 12px; font-size: 0.9rem; font-weight: 700; color: var(--text);
    background: var(--glass-bg); border: 1px solid var(--glass-border); min-width: 0;
  }
  .flt-caret { display: block; color: var(--accent-2); }
  .filter-row.open .flt-caret { transform: rotate(180deg); }
  /* 閉じている間は中身を隠す */
  .filter-row:not(.open) .chips,
  .filter-row:not(.open) .meter-mode { display: none; }
  .filter-row.open .chips,
  .filter-row.open .meter-mode { animation: viewFade 0.3s var(--ease); }
}
/* ヘッダーが手狭になる幅では投稿CTAをアイコンのみに */
@media (max-width: 680px) {
  .cta-label { display: none; }
  .cta-btn { width: 42px; padding: 0; justify-content: center; }
}
@media (max-width: 520px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  /* 固定ヘッダーを1行に収めるためロゴを省略しタイトルを小さめに */
  .brand-mark { display: none; }
  .brand-text h1 { font-size: 0.98rem; white-space: nowrap; }
  .header-actions { gap: 8px; }
  .site-header { padding: 12px 16px; }
}

/* ---------- アクセシビリティ ---------- */
/* OSで「視差効果を減らす」設定の環境向け。
   無限ループのアニメ(背景オーブ・ロゴ等)を1回で停止させ、点滅(チカチカ)を防ぐ。
   animation-duration だけを潰すと無限ループが超高速で回り続け点滅するため
   iteration-count: 1 を併用して確実に停止させる。 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}