/* ============================================================
   GRIDFRONT - スタイル
============================================================ */
:root {
  --bg: #070a10;
  --panel: #10151f;
  --panel2: #151c29;
  --line: #223048;
  --cyan: #5ee1ff;
  --gold: #ffd25e;
  --red: #ff5566;
  --green: #51e07d;
  --text: #dfe8f2;
  --dim: #8fa1b8;
  --num: 'Orbitron', 'Segoe UI', monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
  background:
    radial-gradient(1200px 700px at 70% -10%, #0e1624 0%, transparent 60%),
    radial-gradient(900px 600px at -10% 110%, #0c1420 0%, transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  font-size: 14px;
  overflow-x: hidden;
  user-select: none;
}

#app { max-width: 1640px; margin: 0 auto; padding: 10px 12px; display: flex; flex-direction: column; gap: 10px; height: 100vh; }

/* ---------- トップバー ---------- */
#topbar {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  background: linear-gradient(180deg, #131a27, #0e141f);
  border: 1px solid var(--line); border-radius: 12px;
  padding: 8px 14px;
  box-shadow: 0 4px 18px rgba(0,0,0,.45);
}
#stats { display: flex; gap: 14px; align-items: center; }
.stat {
  font-family: var(--num); font-weight: 800; font-size: 17px; letter-spacing: .5px;
  padding: 3px 10px; border-radius: 8px; background: #0a0f18; border: 1px solid var(--line);
  white-space: nowrap;
}
.stat.money { color: var(--gold); }
.stat.lives { color: var(--red); }
.stat.wave  { color: var(--cyan); }

#preview { display: flex; align-items: center; gap: 8px; flex: 1; min-width: 0; overflow: hidden; }
#pv-label { color: var(--dim); font-family: var(--num); font-size: 11px; letter-spacing: 1px; }
#pv-list { display: flex; gap: 6px; align-items: center; overflow: hidden; }
.pv-item {
  display: inline-flex; align-items: center; gap: 2px;
  background: #0a0f18; border: 1px solid var(--line); border-radius: 6px;
  padding: 2px 6px; font-size: 11px; color: var(--dim); white-space: nowrap;
}
.pv-item img { width: 18px; height: 18px; image-rendering: auto; }
.pv-item.boss { border-color: var(--red); color: var(--red); box-shadow: 0 0 8px rgba(255,85,102,.35); }
#pv-hint { color: var(--gold); font-size: 12px; white-space: nowrap; }

#controls { display: flex; gap: 8px; align-items: center; }
#auto-wrap { color: var(--dim); font-size: 12px; display: flex; gap: 4px; align-items: center; cursor: pointer; }

/* ---------- ボタン ---------- */
.btn {
  font-family: inherit; font-size: 13px; font-weight: 700; color: var(--text);
  background: var(--panel2); border: 1px solid var(--line); border-radius: 8px;
  padding: 7px 14px; cursor: pointer; transition: all .15s;
  display: inline-flex; align-items: center; gap: 6px; justify-content: center;
}
.btn:hover:not(:disabled) { transform: translateY(-1px); border-color: var(--cyan); box-shadow: 0 0 10px rgba(94,225,255,.25); }
.btn:disabled { opacity: .45; cursor: default; }
.btn.primary { background: linear-gradient(180deg, #0e3d4d, #0a2c3a); border-color: #2a7d99; color: #bff2ff; }
.btn.primary:hover:not(:disabled) { box-shadow: 0 0 14px rgba(94,225,255,.4); }
.btn.danger { background: linear-gradient(180deg, #4d1520, #38101a); border-color: #a33; color: #ffb9c2; }
.btn.danger:hover:not(:disabled) { border-color: var(--red); box-shadow: 0 0 10px rgba(255,85,102,.3); }
.btn.ghost { background: transparent; }
.btn.paused { border-color: var(--gold); color: var(--gold); }
kbd {
  font-family: var(--num); font-size: 10px; color: var(--dim);
  border: 1px solid var(--line); border-radius: 4px; padding: 0 4px; background: #0a0f18;
}

/* ---------- メイン ---------- */
#main { display: flex; gap: 10px; flex: 1; min-height: 0; }
#stage { position: relative; flex: 1; min-width: 0; }
#game-container {
  width: 100%; height: 100%;
  border-radius: 12px; overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 6px 30px rgba(0,0,0,.55), 0 0 40px rgba(94,225,255,.06) inset;
  background: #0a0e14;
}
#game-container canvas { display: block; }
#vignette {
  position: absolute; inset: 0; pointer-events: none; border-radius: 12px;
  box-shadow: inset 0 0 90px rgba(0,0,0,.55);
}
#dmg-flash {
  position: absolute; inset: 0; pointer-events: none; border-radius: 12px;
  background: radial-gradient(ellipse at center, transparent 45%, rgba(255,40,60,.32) 100%);
  opacity: 0;
}
#dmg-flash.on { animation: dmgflash .55s ease-out; }
@keyframes dmgflash { 0% { opacity: 1; } 100% { opacity: 0; } }

/* ボスバー */
#bossbar {
  position: absolute; top: 10px; left: 50%; transform: translateX(-50%);
  width: min(520px, 80%); pointer-events: none; text-align: center;
}
#bossbar.hidden { display: none; }
#boss-name {
  font-family: var(--num); font-size: 13px; font-weight: 800; color: #ffb9c2;
  text-shadow: 0 0 10px rgba(255,60,80,.8);
}
#boss-track {
  height: 10px; margin-top: 3px; border-radius: 6px;
  background: rgba(0,0,0,.6); border: 1px solid rgba(255,85,102,.5); overflow: hidden;
}
#boss-fill {
  height: 100%; width: 100%;
  background: linear-gradient(90deg, #ff2a44, #ff7a5e);
  box-shadow: 0 0 12px rgba(255,60,80,.8);
  transition: width .15s linear;
}

/* ウェーブバナー */
#banner {
  position: absolute; top: 38%; left: 50%; transform: translate(-50%, -50%) scale(.8);
  font-family: var(--num); font-size: 44px; font-weight: 800; letter-spacing: 4px;
  color: var(--cyan); text-shadow: 0 0 24px rgba(94,225,255,.9), 0 2px 6px rgba(0,0,0,.8);
  opacity: 0; pointer-events: none; white-space: nowrap;
}
#banner.show { animation: bannerIn 2.2s ease-out; }
#banner.boss { color: #ff5566; text-shadow: 0 0 28px rgba(255,60,80,.95), 0 2px 6px rgba(0,0,0,.8); font-size: 34px; }
@keyframes bannerIn {
  0% { opacity: 0; transform: translate(-50%,-50%) scale(1.6); }
  12% { opacity: 1; transform: translate(-50%,-50%) scale(1); }
  80% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%,-50%) scale(.95); }
}

/* ---------- サイドパネル ---------- */
#panel {
  width: 302px; flex-shrink: 0; display: flex; flex-direction: column; gap: 10px;
  background: linear-gradient(180deg, #121826, #0d1320);
  border: 1px solid var(--line); border-radius: 12px; padding: 12px;
  overflow-y: auto;
}
#panel h2 { font-size: 14px; letter-spacing: 1px; color: var(--cyan); }
.h2-sub { font-size: 10px; color: var(--dim); font-weight: 400; margin-left: 4px; }

#shop { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; }
.card {
  position: relative; display: flex; flex-direction: column; align-items: center; gap: 2px;
  background: var(--panel2); border: 1px solid var(--line); border-radius: 10px;
  padding: 7px 3px 6px; cursor: pointer; transition: all .13s; color: var(--text);
  font-family: inherit;
}
.card:hover { transform: translateY(-2px); border-color: var(--cyan); box-shadow: 0 4px 12px rgba(94,225,255,.18); }
.card.active { border-color: var(--cyan); background: #16283a; box-shadow: 0 0 12px rgba(94,225,255,.4); }
.card.poor { opacity: .42; }
.card img { width: 42px; height: 42px; }
.c-name { font-size: 10px; color: var(--text); white-space: nowrap; }
.c-cost { font-family: var(--num); font-size: 11px; font-weight: 700; color: var(--gold); }
.card kbd { position: absolute; top: 3px; right: 4px; }

/* 情報パネル */
#info {
  background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: 10px;
  display: flex; flex-direction: column; gap: 8px;
}
#info.hidden { display: none; }
.i-head { display: flex; gap: 8px; align-items: center; }
.i-head img { width: 40px; height: 40px; }
.i-name { font-weight: 700; font-size: 14px; }
.i-stars { color: var(--gold); font-size: 12px; letter-spacing: 2px; }
.i-tags { display: flex; gap: 5px; flex-wrap: wrap; }
.tag {
  font-size: 10px; padding: 1px 7px; border-radius: 20px;
  background: #0a0f18; border: 1px solid var(--line); color: var(--dim);
}
.tag.gold { color: var(--gold); border-color: #5a4a22; }
.i-stats { width: 100%; border-collapse: collapse; font-size: 12px; }
.i-stats td { padding: 2.5px 4px; border-bottom: 1px dashed #1c2637; }
.i-stats td:first-child { color: var(--dim); }
.i-stats td:last-child { text-align: right; font-family: var(--num); font-weight: 600; }
.up-note { font-size: 11px; color: var(--gold); }
.i-actions { display: flex; gap: 8px; }
.i-actions .btn { flex: 1; font-size: 12px; padding: 8px 6px; }

#help {
  margin-top: auto; font-size: 11px; line-height: 1.8; color: var(--dim);
  border-top: 1px solid var(--line); padding-top: 8px;
}

/* ---------- トースト ---------- */
#toasts {
  position: fixed; left: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 6px; z-index: 50;
  pointer-events: none;
}
.toast {
  background: rgba(13, 20, 32, .92); border: 1px solid var(--line); border-left: 3px solid var(--cyan);
  border-radius: 8px; padding: 8px 14px; font-size: 13px;
  box-shadow: 0 4px 14px rgba(0,0,0,.5);
  animation: toastIn .25s ease-out;
}
.toast.out { opacity: 0; transform: translateX(-12px); transition: all .4s; }
@keyframes toastIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- モーダル ---------- */
.modal-bg {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(4, 7, 12, .78); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  animation: toastIn .3s ease-out;
}
.modal {
  width: min(560px, 92vw); text-align: center;
  background: linear-gradient(180deg, #131b2b, #0c1220);
  border: 1px solid #27405e; border-radius: 18px; padding: 34px 30px 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,.7), 0 0 60px rgba(94,225,255,.08);
}
.logo {
  font-family: var(--num); font-size: 46px; font-weight: 800; letter-spacing: 6px;
  color: #fff; text-shadow: 0 0 30px rgba(94,225,255,.6);
}
.logo span { color: var(--cyan); }
.logo.win { color: var(--gold); text-shadow: 0 0 30px rgba(255,210,94,.6); font-size: 40px; }
.logo.lose { color: var(--red); text-shadow: 0 0 30px rgba(255,85,102,.6); font-size: 40px; }
.logo-sub { color: var(--dim); font-size: 12px; letter-spacing: 3px; margin-top: 2px; }
.modal-desc { margin: 16px 0; color: var(--text); font-size: 13px; line-height: 1.9; }
.best { color: var(--gold); font-family: var(--num); }
.diffs { display: flex; gap: 10px; margin: 18px 0 6px; }
.diff-btn {
  flex: 1; display: flex; flex-direction: column; gap: 5px; align-items: center;
  background: var(--panel2); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 8px; cursor: pointer; color: var(--text); font-family: inherit;
  transition: all .15s;
}
.diff-btn:hover { transform: translateY(-3px); }
.diff-btn.easy:hover { border-color: var(--green); box-shadow: 0 6px 18px rgba(81,224,125,.25); }
.diff-btn.normal:hover { border-color: var(--cyan); box-shadow: 0 6px 18px rgba(94,225,255,.25); }
.diff-btn.hard:hover { border-color: var(--red); box-shadow: 0 6px 18px rgba(255,85,102,.25); }
.d-name { font-weight: 800; font-size: 15px; }
.diff-btn.easy .d-name { color: var(--green); }
.diff-btn.normal .d-name { color: var(--cyan); }
.diff-btn.hard .d-name { color: var(--red); }
.d-desc { font-size: 10.5px; color: var(--dim); line-height: 1.5; }
.d-meta { font-family: var(--num); font-size: 11px; color: var(--gold); }
.modal-help { color: var(--dim); font-size: 11.5px; line-height: 1.8; margin-top: 12px; }
.end-stats { margin: 6px auto 18px; border-collapse: collapse; font-size: 13px; min-width: 300px; }
.end-stats td { padding: 5px 14px; border-bottom: 1px dashed #1c2637; }
.end-stats td:first-child { color: var(--dim); text-align: left; }
.end-stats td:last-child { text-align: right; font-family: var(--num); font-weight: 700; }
.modal .i-actions { justify-content: center; }
.modal .i-actions .btn { flex: 0 1 200px; padding: 11px; }

/* ---------- レスポンシブ ---------- */
@media (max-width: 1150px) {
  #app { height: auto; }
  #main { flex-direction: column; }
  #stage { aspect-ratio: 20 / 11; }
  #panel { width: 100%; }
  #shop { grid-template-columns: repeat(auto-fill, minmax(88px, 1fr)); }
  #help { display: none; }
}