/* =====================================================
   詰めポケポケ — ダークネオン・カードバトルUI
   ===================================================== */
:root {
  --bg: #07090f;
  --bg-2: #0d1120;
  --panel: #131a2e;
  --panel-2: #1a2340;
  --line: #27314f;
  --text: #eef2ff;
  --text-dim: #94a3c4;
  --blue: #38bdf8;
  --purple: #a78bfa;
  --yellow: #facc15;
  --green: #34d399;
  --red: #fb7185;
  --orange: #fb923c;
  --gold: #fbbf24;
  --radius: 14px;
  font-size: 16px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background:
    radial-gradient(900px 500px at 85% -10%, rgba(56, 189, 248, .12), transparent 60%),
    radial-gradient(800px 500px at -10% 30%, rgba(167, 139, 250, .10), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: "Noto Sans JP", "Hiragino Sans", sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, .logo, .btn, .diff-name, .puzzle-title {
  font-family: "M PLUS Rounded 1c", "Noto Sans JP", sans-serif;
}

a { color: var(--blue); text-decoration: none; }

/* ---------- ヘッダー / フッター ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  background: rgba(7, 9, 15, .82);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.logo { display: flex; align-items: center; gap: 8px; color: var(--text); font-weight: 900; font-size: 1.2rem; }
.logo-mark {
  display: grid; place-items: center; width: 34px; height: 34px;
  background: linear-gradient(135deg, #facc15, #f59e0b);
  color: #1c1300; border-radius: 10px; font-size: 1.1rem;
  box-shadow: 0 0 18px rgba(250, 204, 21, .35);
}
.logo-accent { color: var(--yellow); }
.header-link {
  font-size: .85rem; font-weight: 700; color: var(--text-dim);
  border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px;
  transition: .2s;
}
.header-link:hover { color: var(--text); border-color: var(--blue); }

.app { flex: 1; width: 100%; max-width: 760px; margin: 0 auto; padding: 20px 16px 60px; }

.site-footer { border-top: 1px solid var(--line); padding: 20px 16px 32px; text-align: center; }
.footer-note { font-size: .72rem; color: var(--text-dim); max-width: 640px; margin: 4px auto; }

/* ---------- 汎用 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: none; border-radius: 12px; cursor: pointer;
  font-weight: 800; font-size: 1rem; padding: 14px 22px;
  color: #06121f; background: linear-gradient(135deg, var(--blue), #6366f1);
  box-shadow: 0 4px 20px rgba(56, 189, 248, .35);
  transition: transform .15s, box-shadow .15s, filter .15s;
  -webkit-tap-highlight-color: transparent;
}
.btn:hover { filter: brightness(1.1); }
.btn:active { transform: scale(.97); }
.btn-gold {
  background: linear-gradient(135deg, #fde68a, #f59e0b);
  color: #271a00; box-shadow: 0 4px 24px rgba(251, 191, 36, .45);
}
.btn-ghost {
  background: transparent; color: var(--text-dim);
  border: 1px solid var(--line); box-shadow: none;
}
.btn-ghost:hover { color: var(--text); border-color: var(--text-dim); }
.btn-block { width: 100%; }
.btn-sm { padding: 9px 16px; font-size: .85rem; border-radius: 10px; }

.card-panel {
  background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}

.section-title {
  display: flex; align-items: center; gap: 8px;
  font-size: .95rem; font-weight: 800; color: var(--text-dim);
  margin: 28px 0 12px; letter-spacing: .06em;
}
.section-title::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.tag {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: .7rem; font-weight: 700; padding: 3px 10px;
  border-radius: 999px; border: 1px solid currentColor;
}

/* ---------- トップページ ---------- */
.hero { text-align: center; padding: 44px 8px 30px; }
.hero-eyebrow {
  display: inline-block; font-size: .75rem; font-weight: 700; letter-spacing: .2em;
  color: var(--blue); border: 1px solid rgba(56, 189, 248, .4);
  border-radius: 999px; padding: 5px 16px; margin-bottom: 18px;
  background: rgba(56, 189, 248, .08);
}
.hero-title {
  font-size: clamp(2.4rem, 9vw, 3.6rem); font-weight: 900; line-height: 1.15;
  background: linear-gradient(135deg, #fff 30%, #93c5fd 70%, #c4b5fd);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-catch {
  margin-top: 14px; font-size: clamp(1.05rem, 4.2vw, 1.35rem);
  font-weight: 800; color: var(--yellow);
  text-shadow: 0 0 24px rgba(250, 204, 21, .35);
}
.hero-sub { margin-top: 10px; color: var(--text-dim); font-size: .9rem; }
.hero-actions { margin-top: 24px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.stat-strip {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 30px;
}
.stat-box { text-align: center; padding: 12px 6px; }
.stat-num { font-size: 1.5rem; font-weight: 900; color: var(--blue); font-family: "M PLUS Rounded 1c", sans-serif; }
.stat-label { font-size: .7rem; color: var(--text-dim); }

/* 今日の一問 */
.daily-card { position: relative; overflow: hidden; }
.daily-card::before {
  content: ""; position: absolute; inset: -40%;
  background: conic-gradient(from 0deg, transparent 70%, rgba(56, 189, 248, .18), transparent 85%);
  animation: spin 7s linear infinite; pointer-events: none;
}
@keyframes spin { to { transform: rotate(360deg); } }
.daily-inner { position: relative; }
.daily-label { font-size: .75rem; font-weight: 800; color: var(--blue); letter-spacing: .12em; }
.daily-title { font-size: 1.25rem; font-weight: 900; margin: 6px 0 4px; }
.daily-meta { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0 14px; }

/* ---------- 難易度 ---------- */
.diff-grid { display: grid; gap: 12px; }
.diff-card {
  position: relative; display: block; overflow: hidden;
  background: linear-gradient(135deg, var(--panel) 60%, color-mix(in srgb, var(--dc) 14%, var(--panel)));
  border: 1px solid color-mix(in srgb, var(--dc) 45%, var(--line));
  border-radius: var(--radius); padding: 16px 18px;
  color: var(--text); transition: transform .18s, box-shadow .18s;
}
.diff-card:hover { transform: translateY(-2px); box-shadow: 0 6px 24px color-mix(in srgb, var(--dc) 30%, transparent); }
.diff-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px;
  background: var(--dc); box-shadow: 0 0 14px var(--dc);
}
.diff-head { display: flex; align-items: center; gap: 10px; }
.diff-name { font-size: 1.3rem; font-weight: 900; color: var(--dc); }
.diff-sub { font-size: .72rem; color: var(--text-dim); font-weight: 700; }
.diff-desc { font-size: .82rem; color: var(--text-dim); margin-top: 6px; }
.diff-stats { margin-top: 8px; font-size: .78rem; font-weight: 700; color: var(--text); display: flex; gap: 14px; align-items: center; }
.diff-clear-ok { color: var(--green); }

.diff-card.locked { filter: saturate(.25) brightness(.75); }
.diff-card.locked:hover { transform: none; box-shadow: none; }
.lock-overlay {
  display: flex; align-items: center; gap: 8px; margin-top: 10px;
  font-size: .78rem; font-weight: 700; color: var(--gold);
}
.lock-conditions { margin-top: 8px; display: grid; gap: 4px; }
.lock-cond { font-size: .75rem; color: var(--text-dim); display: flex; gap: 6px; align-items: center; }
.lock-cond.done { color: var(--green); }

.diff-card.master-unlocked {
  border-color: var(--gold);
  box-shadow: 0 0 24px rgba(251, 191, 36, .25);
  animation: goldPulse 2.4s ease-in-out infinite;
}
@keyframes goldPulse {
  0%, 100% { box-shadow: 0 0 16px rgba(251, 191, 36, .18); }
  50% { box-shadow: 0 0 30px rgba(251, 191, 36, .4); }
}

/* ---------- 問題一覧 ---------- */
.puzzle-list { display: grid; gap: 10px; }
.puzzle-row {
  display: flex; align-items: center; gap: 12px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px 16px; color: var(--text);
  transition: border-color .15s, transform .15s;
}
.puzzle-row:hover { border-color: var(--dc, var(--blue)); transform: translateX(2px); }
.puzzle-status { font-size: 1.2rem; width: 28px; text-align: center; flex-shrink: 0; }
.puzzle-info { flex: 1; min-width: 0; }
.puzzle-title { font-weight: 800; font-size: .98rem; }
.puzzle-meta { font-size: .72rem; color: var(--text-dim); display: flex; gap: 10px; flex-wrap: wrap; margin-top: 2px; }
.fav-btn {
  background: none; border: none; cursor: pointer; font-size: 1.2rem;
  color: var(--line); transition: transform .15s, color .15s; padding: 4px;
}
.fav-btn.faved { color: var(--yellow); }
.fav-btn:active { transform: scale(1.3); }

.back-link { display: inline-flex; align-items: center; gap: 6px; color: var(--text-dim); font-size: .85rem; font-weight: 700; margin-bottom: 14px; }
.back-link:hover { color: var(--text); }

.page-head { margin-bottom: 16px; }
.page-title { font-size: 1.5rem; font-weight: 900; }
.page-desc { color: var(--text-dim); font-size: .85rem; margin-top: 4px; }

/* ---------- プレイ画面 ---------- */
.play-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.step-indicator { display: flex; gap: 5px; align-items: center; }
.step-dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--line); transition: .3s;
}
.step-dot.done { background: var(--green); box-shadow: 0 0 8px rgba(52, 211, 153, .6); }
.step-dot.now { background: var(--yellow); box-shadow: 0 0 10px rgba(250, 204, 21, .7); transform: scale(1.25); }
.step-count { font-size: .78rem; font-weight: 800; color: var(--text-dim); }

.board-note {
  font-size: .8rem; font-weight: 700; color: #ffd9a8;
  background: rgba(251, 146, 60, .1); border: 1px solid rgba(251, 146, 60, .35);
  border-radius: 10px; padding: 8px 12px; margin-bottom: 10px;
}

/* 盤面 */
.board {
  background:
    linear-gradient(180deg, rgba(251, 113, 133, .06) 0%, transparent 46%, transparent 54%, rgba(56, 189, 248, .07) 100%),
    var(--bg-2);
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px; position: relative;
}
.board-side { position: relative; }
.side-head {
  display: flex; align-items: center; justify-content: space-between;
  font-size: .72rem; font-weight: 800; margin-bottom: 6px;
}
.side-name-opp { color: var(--red); }
.side-name-me { color: var(--blue); }
.points { display: inline-flex; gap: 3px; align-items: center; }
.pt { width: 9px; height: 9px; border-radius: 50%; background: var(--line); display: inline-block; }
.pt.on { background: var(--yellow); box-shadow: 0 0 6px rgba(250, 204, 21, .8); }
.side-extra { color: var(--text-dim); font-weight: 500; }

.board-divider {
  display: flex; align-items: center; gap: 10px; margin: 10px 0;
  color: var(--text-dim); font-size: .65rem; font-weight: 900; letter-spacing: .3em;
}
.board-divider::before, .board-divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }

.zone-label { font-size: .62rem; color: var(--text-dim); font-weight: 700; letter-spacing: .08em; margin: 6px 0 4px; }
.mon-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* ポケモンカード */
.mon {
  --tc: #94a3b8;
  position: relative; width: 104px; flex-shrink: 0;
  background: linear-gradient(170deg, color-mix(in srgb, var(--tc) 20%, var(--panel)), var(--panel));
  border: 1.5px solid color-mix(in srgb, var(--tc) 55%, var(--line));
  border-radius: 10px; padding: 6px 7px 7px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, .35), inset 0 1px 0 rgba(255, 255, 255, .07);
}
.mon.active-mon { width: 128px; }
.mon.ex-mon { border-color: color-mix(in srgb, var(--tc) 80%, #fff); box-shadow: 0 0 12px color-mix(in srgb, var(--tc) 35%, transparent), 0 3px 10px rgba(0,0,0,.35); }
.mon.ko { filter: grayscale(1) brightness(.55); }
.mon-name { font-size: .68rem; font-weight: 800; line-height: 1.2; display: flex; align-items: center; gap: 3px; }
.ex-badge {
  font-size: .55rem; font-weight: 900; font-style: italic;
  background: linear-gradient(135deg, #fde68a, #f59e0b); color: #271a00;
  border-radius: 4px; padding: 0 4px;
}
.mon-art {
  display: grid; place-items: center; font-size: 1.7rem; height: 42px; margin: 3px 0;
  background: radial-gradient(circle at 50% 40%, color-mix(in srgb, var(--tc) 26%, transparent), transparent 75%);
  border-radius: 7px;
}
.active-mon .mon-art { font-size: 2.1rem; height: 52px; }
.mon-hpbar { height: 5px; border-radius: 3px; background: rgba(0, 0, 0, .45); overflow: hidden; margin-bottom: 3px; }
.mon-hpfill { height: 100%; border-radius: 3px; background: var(--green); transition: width .5s; }
.mon-hpfill.mid { background: var(--yellow); }
.mon-hpfill.low { background: var(--red); }
.mon-hp { font-size: .62rem; font-weight: 800; color: var(--text-dim); display: flex; justify-content: space-between; }
.mon-hp b { color: var(--text); font-size: .7rem; }
.mon-energy { font-size: .68rem; letter-spacing: 1px; min-height: 1em; margin-top: 2px; display: flex; justify-content: space-between; align-items: center; }
.mon-weak { font-size: .55rem; color: var(--text-dim); letter-spacing: 0; }
.ko-stamp {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-size: .8rem; font-weight: 900; color: var(--red);
  text-shadow: 0 0 8px #000; transform: rotate(-12deg); filter: none;
}
.empty-slot {
  width: 104px; height: 60px; border: 1.5px dashed var(--line); border-radius: 10px;
  display: grid; place-items: center; color: var(--line); font-size: .65rem; font-weight: 700;
}

/* 手札・情報 */
.hand-row { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 4px; }
.hand-chip {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: .72rem; font-weight: 700;
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 8px; padding: 5px 9px;
}
.hand-chip .chip-sub { font-size: .6rem; color: var(--text-dim); }
.me-extras { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; font-size: .7rem; color: var(--text-dim); font-weight: 700; }
.me-extras .ez { color: var(--yellow); }
.effect-chip {
  display: inline-block; font-size: .68rem; font-weight: 800; color: #0c0a00;
  background: linear-gradient(135deg, #fde68a, #facc15);
  border-radius: 999px; padding: 2px 10px; margin-top: 8px; margin-right: 6px;
  box-shadow: 0 0 12px rgba(250, 204, 21, .4);
}

/* 設問・選択肢 */
.question-box {
  margin: 16px 0 10px; font-size: 1rem; font-weight: 800; text-align: center;
}
.choices { display: grid; gap: 10px; }
.choice-btn {
  position: relative; text-align: left; cursor: pointer;
  background: var(--panel); color: var(--text);
  border: 1.5px solid var(--line); border-radius: 12px;
  padding: 14px 16px 14px 46px; font-size: .92rem; font-weight: 700;
  font-family: inherit; transition: .15s;
  -webkit-tap-highlight-color: transparent;
}
.choice-btn::before {
  content: attr(data-key);
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  width: 24px; height: 24px; display: grid; place-items: center;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 7px;
  font-size: .72rem; font-weight: 900; color: var(--text-dim);
}
.choice-btn:hover:not(:disabled) { border-color: var(--blue); transform: translateY(-1px); }
.choice-btn:active:not(:disabled) { transform: scale(.985); }
.choice-btn:disabled { cursor: default; opacity: .55; }
.choice-btn.picked-correct {
  border-color: var(--green); opacity: 1;
  background: linear-gradient(135deg, rgba(52, 211, 153, .16), var(--panel));
  box-shadow: 0 0 18px rgba(52, 211, 153, .3);
}
.choice-btn.picked-wrong {
  border-color: var(--red); opacity: 1;
  background: linear-gradient(135deg, rgba(251, 113, 133, .14), var(--panel));
  animation: shake .4s;
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-7px); } 40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); } 80% { transform: translateX(3px); }
}

/* 判定フィードバック */
.feedback { margin-top: 14px; border-radius: var(--radius); padding: 16px; animation: popIn .3s; }
@keyframes popIn { from { opacity: 0; transform: translateY(8px) scale(.97); } }
.feedback.good {
  background: linear-gradient(135deg, rgba(52, 211, 153, .14), rgba(56, 189, 248, .08));
  border: 1px solid rgba(52, 211, 153, .5);
  box-shadow: 0 0 26px rgba(52, 211, 153, .18);
}
.feedback.bad {
  background: rgba(251, 113, 133, .08);
  border: 1px solid rgba(251, 113, 133, .45);
}
.feedback-head { font-size: 1.15rem; font-weight: 900; display: flex; align-items: center; gap: 8px; }
.feedback.good .feedback-head { color: var(--green); }
.feedback.bad .feedback-head { color: var(--red); }
.feedback-reason { font-size: .86rem; margin: 8px 0 14px; color: var(--text); }

/* 正解フラッシュ */
.flash {
  position: fixed; inset: 0; pointer-events: none; z-index: 90;
  background: radial-gradient(circle, rgba(52, 211, 153, .25), transparent 65%);
  animation: flashOut .6s forwards;
}
@keyframes flashOut { from { opacity: 1; } to { opacity: 0; } }

/* ---------- 結果画面 ---------- */
.result-hero { text-align: center; padding: 28px 10px 10px; }
.result-burst { font-size: 3.2rem; animation: bounceIn .6s; }
@keyframes bounceIn {
  0% { transform: scale(.3); opacity: 0; }
  60% { transform: scale(1.15); }
  100% { transform: scale(1); opacity: 1; }
}
.result-title {
  font-size: 2rem; font-weight: 900;
  background: linear-gradient(135deg, #fde68a, #f59e0b, #fde68a);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.result-puzzle { color: var(--text-dim); font-size: .9rem; margin-top: 4px; }
.result-stats { display: flex; justify-content: center; gap: 18px; margin: 14px 0; font-size: .8rem; font-weight: 700; color: var(--text-dim); }
.result-stats b { color: var(--yellow); font-size: 1rem; }

.route-list { display: grid; gap: 8px; margin-top: 10px; }
.route-item {
  display: flex; gap: 10px; align-items: flex-start;
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 12px; font-size: .84rem;
}
.route-num {
  flex-shrink: 0; width: 22px; height: 22px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--blue), #6366f1); color: #06121f;
  font-weight: 900; font-size: .72rem; border-radius: 7px;
}
.explain-box { font-size: .86rem; color: var(--text); }
.rule-notes { margin-top: 10px; display: grid; gap: 6px; }
.rule-note {
  font-size: .76rem; color: var(--text-dim);
  background: rgba(56, 189, 248, .06); border-left: 3px solid var(--blue);
  border-radius: 0 8px 8px 0; padding: 7px 10px;
}
.rule-note-lg { font-size: .84rem; color: var(--text); padding: 10px 12px; }
.rule-sources { margin-top: 6px; display: flex; gap: 10px; flex-wrap: wrap; }
.rule-src { font-size: .72rem; font-weight: 700; }
.rule-src:hover { text-decoration: underline; }

.result-actions { display: grid; gap: 10px; margin-top: 20px; }
.btn-x {
  background: #000; color: #fff; border: 1px solid #333;
  box-shadow: 0 4px 18px rgba(255, 255, 255, .08);
}

/* ---------- 達人モーダル ---------- */
.modal-backdrop[hidden] { display: none; }
.modal-backdrop {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(2, 4, 10, .85); backdrop-filter: blur(6px);
  display: grid; place-items: center; padding: 20px;
}
.modal { width: 100%; max-width: 380px; }
.master-modal {
  position: relative; overflow: hidden; text-align: center;
  background: linear-gradient(160deg, #1c1607, #131a2e 70%);
  border: 1.5px solid var(--gold); border-radius: 20px;
  box-shadow: 0 0 60px rgba(251, 191, 36, .35);
  animation: bounceIn .55s;
}
.master-rays {
  position: absolute; inset: -60%;
  background: conic-gradient(from 0deg,
    transparent 0 14%, rgba(251, 191, 36, .12) 16% 18%, transparent 20% 34%,
    rgba(251, 191, 36, .12) 36% 38%, transparent 40% 54%, rgba(251, 191, 36, .12) 56% 58%,
    transparent 60% 74%, rgba(251, 191, 36, .12) 76% 78%, transparent 80%);
  animation: spin 14s linear infinite;
}
.master-modal-inner { position: relative; padding: 34px 24px 26px; display: grid; gap: 12px; justify-items: center; }
.master-crown { font-size: 3rem; filter: drop-shadow(0 0 16px rgba(251, 191, 36, .8)); animation: bounceIn .8s; }
.master-title { font-size: 1.5rem; font-weight: 900; color: var(--gold); text-shadow: 0 0 20px rgba(251, 191, 36, .5); }
.master-text { font-size: .85rem; color: var(--text-dim); }

/* ---------- レスポンシブ ---------- */
@media (min-width: 600px) {
  .diff-grid { grid-template-columns: 1fr 1fr; }
  .diff-card.master-card { grid-column: 1 / -1; }
  .result-actions { grid-template-columns: 1fr 1fr; }
  .result-actions .btn-x { grid-column: 1 / -1; }
}
@media (max-width: 380px) {
  .mon { width: 92px; }
  .mon.active-mon { width: 112px; }
}