/* 画面共通: トークン（docs/ui.md §11）と共通部品（§1.4）。画面固有のスタイルは css/screens/<name>.css */
:root {
  /* 決闘トーン */
  --bg-0: #070b18;
  --bg-1: #0f1730;
  --panel: rgba(14, 22, 46, .86);
  --panel-2: rgba(24, 36, 72, .92);
  --line: #34508f;
  --text: #f3f6ff;
  --text-dim: #a7b3d8;
  --text-mute: #6c7899;
  --accent: #ffb627;
  --accent-2: #ff5c93;
  --self: #3fa9ff;
  --opp: #ff5468;
  --monster: #e8893a; --spell: #1fc7a4; --trap: #e0457b; --fusion: #8f5cff;
  --buff: #4be08a; --debuff: #ff5a5a;
  --target-harm: #ff4d4d; --target-help: #4be08a; --target-cost: #ffd84a;
  --ok: #3ddc84; --warn: #ffcc33; --danger: #ff4d4d;
  --attr-light: #ffe066; --attr-dark: #9a6bff; --attr-fire: #ff5b3a;
  --attr-water: #3aa0ff; --attr-wind: #46d98a; --attr-earth: #c9925a;
  --r-n: #9aa3ad; --r-r: #4aa8ff; --r-sr: #ffc23d; --r-ur: #ff5fd2; --r-lg: #ff8a1f; --r-god: #ffffff;
  /* 日常トーン */
  --day-paper: #fff8ec;
  --day-paper-2: #ffeedd;
  --day-ink: #3b2d3f;
  --day-pink: #ff8fb3;
  --day-sky: #7cc8ff;
  --day-mint: #8fe3c0;
  --day-line: #e9c9a8;
  /* 文字 */
  --font-num: 'Chakra Petch', 'M PLUS Rounded 1c', sans-serif;
  /* 動き */
  --anim: 1;
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-in: cubic-bezier(.7, 0, .84, 0);
  --ease-back: cubic-bezier(.34, 1.56, .64, 1);
  --t-fast: calc(120ms * var(--anim));
  --t-mid: calc(240ms * var(--anim));
  --t-slow: calc(480ms * var(--anim));
  --ink: var(--text);
  --ink-dim: var(--text-dim);
}
#stage { background: var(--bg-0); }

/* ---- 画面の土台 ---- */
.scr { position: absolute; inset: 0; overflow: hidden; font-family: var(--font-round); font-weight: 500; font-size: 22px; animation: scr-in var(--t-slow) var(--ease-out) both; }
@keyframes scr-in { from { opacity: 0; } }
.tone-duel { color: var(--text); background:
  radial-gradient(1200px 700px at 70% -10%, rgba(63, 169, 255, .16), transparent 60%),
  radial-gradient(900px 600px at 0% 110%, rgba(255, 92, 147, .12), transparent 60%),
  linear-gradient(180deg, var(--bg-1), var(--bg-0)); }
.tone-duel::before { content: ''; position: absolute; inset: 0; pointer-events: none; opacity: .35;
  background-image: linear-gradient(rgba(80, 120, 220, .12) 1px, transparent 1px), linear-gradient(90deg, rgba(80, 120, 220, .12) 1px, transparent 1px);
  background-size: 64px 64px; mask-image: radial-gradient(ellipse at 50% 40%, #000 30%, transparent 80%); }
.tone-day { color: var(--day-ink); background:
  radial-gradient(1000px 600px at 80% 0%, rgba(255, 143, 179, .25), transparent 60%),
  radial-gradient(800px 600px at 0% 100%, rgba(124, 200, 255, .22), transparent 60%),
  var(--day-paper); }
.scr > * { position: relative; }
.fill { position: absolute; inset: 0; }
.num { font-family: var(--font-num); font-weight: 600; font-variant-numeric: tabular-nums; }
.impact { font-family: var(--font-impact); font-weight: 400; }
.dim { color: var(--text-dim); }
.tone-day .dim { color: #7a6a78; }
.kbd { display: inline-block; min-width: 1.6em; padding: 0 .35em; margin-left: .4em; border: 1px solid currentColor; border-radius: 6px;
  font: 600 .7em/1.5 var(--font-num); opacity: .6; text-align: center; vertical-align: .15em; }

/* ---- ボタン ---- */
.btn { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  border: 0; cursor: pointer; user-select: none; white-space: nowrap; font-family: var(--font-round); font-weight: 800;
  transition: transform var(--t-fast) var(--ease-back), filter var(--t-fast), box-shadow var(--t-fast), background var(--t-fast); }
.btn:active:not([disabled]) { transform: scale(.96); }
.btn:focus-visible { outline: 3px solid var(--self); outline-offset: 3px; }
.btn[disabled] { opacity: .4; cursor: not-allowed; }
.btn .ico { font-size: 1.1em; line-height: 1; }
.btn-primary { overflow: hidden; height: 72px; padding: 0 48px; border-radius: 36px; font-size: 26px; color: #2a1600;
  background: linear-gradient(180deg, #ffd36a, var(--accent) 55%, #f08c00); box-shadow: 0 6px 18px rgba(255, 160, 20, .35), inset 0 2px 0 rgba(255, 255, 255, .55); }
.btn-primary::after { content: ''; position: absolute; top: 0; bottom: 0; left: -40%; width: 30%; transform: skewX(-20deg);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .7), transparent); opacity: 0; }
.btn-primary:hover:not([disabled])::after { animation: btn-sweep .7s var(--ease-out); }
.btn-primary:hover:not([disabled]) { filter: brightness(1.06); box-shadow: 0 8px 26px rgba(255, 160, 20, .55), inset 0 2px 0 rgba(255, 255, 255, .55); }
@keyframes btn-sweep { from { left: -40%; opacity: 1; } to { left: 120%; opacity: 1; } }
.btn-secondary { height: 56px; padding: 0 30px; border-radius: 28px; font-size: 22px; color: var(--text);
  background: rgba(20, 32, 66, .55); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn-secondary:hover:not([disabled]) { background: rgba(40, 62, 120, .7); box-shadow: inset 0 0 0 1.5px var(--self), 0 0 16px rgba(63, 169, 255, .35); }
.btn-ghost { height: 48px; padding: 0 20px; border-radius: 24px; font-size: 20px; color: var(--text-dim); background: transparent; }
.btn-ghost:hover:not([disabled]) { color: var(--text); background: rgba(255, 255, 255, .08); }
.btn-danger { height: 56px; padding: 0 30px; border-radius: 28px; font-size: 22px; color: #fff;
  background: linear-gradient(180deg, #ff6b6b, #d92b3a); box-shadow: 0 6px 16px rgba(255, 60, 70, .35); }
.btn-danger:hover:not([disabled]) { filter: brightness(1.08); }
.btn-small { height: 44px; padding: 0 20px; font-size: 20px; border-radius: 22px; }
.tone-day .btn-secondary { color: var(--day-ink); background: rgba(255, 255, 255, .75); box-shadow: inset 0 0 0 2px var(--day-line), 0 3px 0 var(--day-line); }
.tone-day .btn-secondary:hover:not([disabled]) { background: #fff; box-shadow: inset 0 0 0 2px var(--day-pink), 0 3px 0 var(--day-pink); }
.tone-day .btn-ghost { color: #7a6a78; }
.tone-day .btn-ghost:hover:not([disabled]) { color: var(--day-ink); background: rgba(59, 45, 63, .07); }
.btn .badge { position: absolute; top: -10px; right: -6px; }

/* 戻るボタン（左上） */
.back-btn { position: absolute; left: 24px; top: 16px; z-index: 40; }

/* ---- パネル ---- */
.panel { position: relative; background: var(--panel); backdrop-filter: blur(8px); border: 1px solid var(--line); border-radius: 14px; padding: 24px 28px; }
.panel::before { content: ''; position: absolute; left: 14px; right: 14px; top: -1px; height: 2px; border-radius: 2px; background: linear-gradient(90deg, transparent, var(--accent), transparent); }
.panel-title { margin: 0 0 16px; font: 800 30px/1.2 var(--font-round); letter-spacing: .02em; }
.tone-day .panel { background: rgba(255, 252, 245, .94); border: 2px solid var(--day-line); box-shadow: 0 6px 0 rgba(233, 201, 168, .6), 0 12px 30px rgba(120, 80, 60, .12); backdrop-filter: none; }
.tone-day .panel::before { background: linear-gradient(90deg, transparent, var(--day-pink), transparent); }

/* ---- タブ ---- */
.tabs { display: inline-flex; gap: 6px; padding: 6px; border-radius: 30px; background: rgba(0, 0, 0, .28); }
.tab { position: relative; height: 48px; padding: 0 26px; border: 0; border-radius: 24px; background: transparent; color: var(--text-dim);
  font: 800 20px var(--font-round); cursor: pointer; transition: background var(--t-fast), color var(--t-fast); }
.tab:hover { color: var(--text); background: rgba(255, 255, 255, .06); }
.tab.active { color: #2a1600; background: linear-gradient(180deg, #ffd36a, var(--accent)); }
.tab .badge { position: absolute; top: -4px; right: -4px; }
.tone-day .tabs { background: rgba(233, 201, 168, .35); }
.tone-day .tab { color: #8a7684; }
.tone-day .tab.active { color: #fff; background: linear-gradient(180deg, #ffa6c4, var(--day-pink)); }

/* ---- バッジ・チップ ---- */
.badge { display: inline-grid; place-items: center; min-width: 26px; height: 26px; padding: 0 8px; border-radius: 13px;
  font: 800 16px/1 var(--font-num); color: #fff; background: var(--danger); box-shadow: 0 2px 6px rgba(0, 0, 0, .35); }
.badge-new { background: linear-gradient(180deg, #ff6b8a, #e8304f); letter-spacing: .04em; }
.badge-alert { background: var(--accent); color: #2a1600; animation: badge-hop 1.2s var(--ease-out) infinite; }
@keyframes badge-hop { 0%, 60%, 100% { transform: translateY(0); } 30% { transform: translateY(-6px); } }
.chip { display: inline-flex; align-items: center; gap: 8px; height: 34px; padding: 0 14px; border-radius: 17px; font: 700 18px var(--font-round);
  color: #fff; background: var(--chip, #556); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .25); }

/* ---- 上部ステータスバー ---- */
.topbar { position: absolute; left: 0; right: 0; top: 0; height: 72px; z-index: 30; display: flex; align-items: center; gap: 28px; padding: 0 28px 0 24px;
  background: linear-gradient(180deg, rgba(7, 11, 24, .92), rgba(7, 11, 24, .7)); border-bottom: 1px solid var(--line); color: var(--text); font-size: 22px; }
.topbar .tb-lv { display: flex; align-items: center; gap: 12px; }
.topbar .tb-lvnum { font: 600 30px var(--font-num); color: var(--accent); }
.topbar .tb-lvnum small { font-size: 18px; margin-right: 2px; color: var(--text-dim); }
.topbar .tb-name { font-weight: 800; }
.topbar .tb-exp { width: 180px; height: 8px; border-radius: 4px; background: rgba(255, 255, 255, .12); overflow: hidden; }
.topbar .tb-exp i { display: block; height: 100%; background: linear-gradient(90deg, #7fe0ff, var(--self)); }
.topbar .tb-stat { display: flex; align-items: baseline; gap: 8px; }
.topbar .tb-stat b { font: 600 18px var(--font-num); color: var(--text-dim); }
.topbar .tb-stat span { font: 600 28px var(--font-num); }
.topbar .tb-gold span { color: #ffd76a; }
.topbar .tb-spacer { flex: 1; }
.topbar .tb-chapter { font-weight: 800; color: var(--text-dim); }
.scr .topbar .btn-ghost { height: 48px; color: var(--text-dim); }
.scr .topbar .btn-ghost:hover { color: var(--text); background: rgba(255, 255, 255, .08); }
.has-topbar { padding-top: 72px; }

/* ---- 立ち絵・背景の代わり ---- */
.char-img { display: block; object-fit: contain; object-position: bottom center; pointer-events: none; user-select: none; }
.char-silhouette { display: block; position: relative; pointer-events: none; }
.char-silhouette::before { content: ''; position: absolute; left: 50%; bottom: 0; width: 62%; height: 70%; transform: translateX(-50%);
  border-radius: 46% 46% 12% 12% / 30% 30% 8% 8%; background: linear-gradient(180deg, var(--sil, #8a90a8), transparent 120%); opacity: .55; }
.char-silhouette::after { content: ''; position: absolute; left: 50%; bottom: 66%; width: 30%; aspect-ratio: 1; transform: translateX(-50%);
  border-radius: 50%; background: var(--sil, #8a90a8); opacity: .6; }
.char-silhouette span { position: absolute; left: 0; right: 0; bottom: 30%; text-align: center; font: 800 22px var(--font-round); color: #fff; opacity: .8; text-shadow: 0 2px 6px #0008; }
.bg-layer { position: absolute; inset: 0; background-size: cover; background-position: center; transition: opacity var(--t-slow); }
.bg-fallback { background: linear-gradient(170deg, #ffd9b8 0%, #ff9fb8 45%, #7a6bd0 100%); }
.bg-fallback.night { background: linear-gradient(170deg, #1d2450 0%, #2b2a5a 50%, #0b0f24 100%); }
.bg-fallback.day { background: linear-gradient(170deg, #bfe6ff 0%, #fff3d6 70%, #ffe1c2 100%); }
.bg-fallback.dawn { background: linear-gradient(170deg, #34407a 0%, #c8a0c8 55%, #ffd3a8 100%); }

/* ---- モーダル・ダイアログ ---- */
.modal-back { position: absolute; inset: 0; z-index: 90; display: grid; place-items: center; background: rgba(5, 8, 20, .6); animation: fade-in 180ms ease-out both; }
.modal-back.closing { animation: fade-out 140ms ease-in both; }
@keyframes fade-in { from { opacity: 0; } }
@keyframes fade-out { to { opacity: 0; } }
.modal { position: relative; display: flex; flex-direction: column; width: 1200px; max-height: 960px; color: var(--text);
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 30px 80px rgba(0, 0, 0, .6);
  animation: modal-in 180ms var(--ease-out) both; font-family: var(--font-round); }
.modal::before { content: ''; position: absolute; left: 18px; right: 18px; top: -1px; height: 2px; background: linear-gradient(90deg, transparent, var(--accent), transparent); }
@keyframes modal-in { from { opacity: 0; transform: translateY(24px); } }
.modal-title { margin: 0; padding: 26px 34px 0; font: 800 32px/1.3 var(--font-round); }
.modal-body { flex: 1; min-height: 0; overflow: auto; padding: 22px 34px; font-size: 24px; line-height: 1.7; }
.modal-btns { display: flex; justify-content: flex-end; gap: 16px; padding: 0 34px 28px; }
.modal-close { position: absolute; right: 16px; top: 16px; width: 48px; height: 48px; border-radius: 50%; border: 0; background: transparent; color: var(--text-dim); font-size: 30px; cursor: pointer; }
.modal-close:hover { background: rgba(255, 255, 255, .1); color: var(--text); }
.modal.confirm { width: 680px; min-height: 300px; }
.modal.confirm .modal-body { display: flex; align-items: center; white-space: pre-wrap; }
.modal.day { color: var(--day-ink); background: var(--day-paper); border: 2px solid var(--day-line); }
.modal.day::before { background: linear-gradient(90deg, transparent, var(--day-pink), transparent); }
.modal.day .btn-secondary { color: var(--day-ink); background: #fff; box-shadow: inset 0 0 0 2px var(--day-line), 0 3px 0 var(--day-line); }
.choice-list { display: flex; flex-direction: column; gap: 14px; }
.choice-item { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; width: 100%; min-height: 72px; padding: 14px 26px; text-align: left;
  border: 0; border-radius: 14px; cursor: pointer; color: var(--text); background: rgba(40, 60, 120, .45); box-shadow: inset 0 0 0 1.5px var(--line);
  font: 800 24px var(--font-round); transition: background var(--t-fast), box-shadow var(--t-fast), transform var(--t-fast) var(--ease-back); }
.choice-item small { font-weight: 500; font-size: 19px; color: var(--text-dim); }
.choice-item:hover:not([disabled]), .choice-item:focus-visible { background: rgba(60, 90, 170, .6); box-shadow: inset 0 0 0 2px var(--accent); outline: none; }
.choice-item:active:not([disabled]) { transform: scale(.98); }
.choice-item[disabled] { opacity: .4; cursor: not-allowed; }
.modal.day .choice-item { color: var(--day-ink); background: #fff; box-shadow: inset 0 0 0 2px var(--day-line); }
.modal.day .choice-item small { color: #8a7684; }
.modal.day .choice-item:hover:not([disabled]) { box-shadow: inset 0 0 0 3px var(--day-pink); }

/* ---- トースト ---- */
/* 画面の右下から上へ積む（パネルや上部バーに重ねない）。デュエルはログの上、結果画面は左下 */
.toast-stack { position: absolute; right: 24px; bottom: 84px; width: 420px; z-index: 100; display: flex; flex-direction: column; gap: 10px; pointer-events: none; }
#app[data-screen="duel"] ~ #overlay .toast-stack { right: 20px; bottom: auto; top: 168px; width: 400px; }
#app[data-screen="result"] ~ #overlay .toast-stack { right: auto; left: 80px; bottom: 120px; width: 560px; }
/* 右下に大きな決定ボタンがある画面は、ボタンに重ねない（リーグ・夜市は「挑む」の上、デュエル準備は右上の空き） */
#app[data-screen="league"] ~ #overlay .toast-stack, #app[data-screen="night"] ~ #overlay .toast-stack { bottom: 168px; }
#app[data-screen="duelprep"] ~ #overlay .toast-stack { bottom: auto; top: 24px; }
.toast { display: flex; align-items: center; gap: 12px; padding: 14px 20px; border-radius: 12px; color: var(--text); font: 700 20px/1.45 var(--font-round);
  background: rgba(14, 22, 46, .94); border: 1px solid var(--line); border-left: 6px solid var(--self); box-shadow: 0 10px 30px rgba(0, 0, 0, .45);
  animation: toast-in 240ms var(--ease-out) both; pointer-events: auto; }
.toast.ok { border-left-color: var(--ok); } .toast.warn { border-left-color: var(--warn); } .toast.error { border-left-color: var(--danger); }
.toast.out { animation: toast-out 260ms var(--ease-in) both; }
@keyframes toast-in { from { opacity: 0; transform: translateX(40px); } }
@keyframes toast-out { to { opacity: 0; transform: translateX(40px); } }
.save-dot { position: absolute; right: 26px; bottom: 24px; z-index: 100; display: flex; align-items: center; gap: 10px; padding: 8px 16px; border-radius: 20px;
  background: rgba(7, 11, 24, .75); color: var(--text-dim); font: 700 18px var(--font-round); animation: fade-in 160ms both; pointer-events: none; }
.save-dot::before { content: ''; width: 16px; height: 16px; border-radius: 50%; border: 3px solid var(--accent); border-right-color: transparent; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }