/* ---------- 主题变量：亮色（日间 07:00-18:00） ---------- */
:root {
    --bg-base:        #eef2f7;
    --bg-grad-1:      rgba(92,184,92,.13);
    --bg-grad-2:      rgba(0,123,255,.12);
    --bg-grad-3:      rgba(240,173,78,.12);
    --card-bg:        #ffffff;
    --card-bg-2:      #f8fafd;
    --card-bg-3:      #f4f7fb;
    --border:         #e8ecf3;
    --border-strong:  #d4dae4;
    --text:           #2c3e50;
    --text-sub:       #5a6b85;
    --text-dim:       #8792a5;
    --text-mute:      #b9c2d0;
    --accent:         #007bff;
    --accent-soft:    #e6f0ff;
    --gold:           #f0ad4e;
    --gold-soft:      #fff8e8;
    --green:          #5cb85c;
    --green-soft:     #e9f9ee;
    --red:            #d9534f;
    --red-soft:       #fdecea;
    --purple:         #8b6cef;
    --shadow-sm:      0 2px 10px rgba(50,80,120,.06);
    --shadow-md:      0 6px 24px rgba(50,80,120,.08);
    --letter-bg:      #f7f9fc;
    --letter-border:  #e2e8f2;
    --letter-text:    #aab4c2;
    --cn-text:        #c0392b;
    --cn-bg:          #fff5f2;
    --cn-border:      #ffd9cf;
}
/* ---------- 主题变量：暗色（夜间 18:00-07:00，或用户手动选择） ---------- */
body[data-theme="dark"] {
    --bg-base:        #10141a;
    --bg-grad-1:      rgba(92,184,92,.05);
    --bg-grad-2:      rgba(77,171,247,.07);
    --bg-grad-3:      rgba(240,173,78,.05);
    --card-bg:        #1a1f28;
    --card-bg-2:      #212733;
    --card-bg-3:      #262d3a;
    --border:         #2b333f;
    --border-strong:  #3a4452;
    --text:           #e8edf5;
    --text-sub:       #a9b6c9;
    --text-dim:       #7d8a9d;
    --text-mute:      #5a6678;
    --accent:         #4dabf7;
    --accent-soft:    #1b2b3f;
    --gold:           #f0ad4e;
    --gold-soft:      #33280f;
    --green:          #52c96b;
    --green-soft:     #13301c;
    --red:            #ff6b6b;
    --red-soft:       #37191b;
    --purple:         #a98cff;
    --shadow-sm:      0 2px 10px rgba(0,0,0,.35);
    --shadow-md:      0 6px 24px rgba(0,0,0,.45);
    --letter-bg:      #232a35;
    --letter-border:  #333d4b;
    --letter-text:    #5a6678;
    --cn-text:        #ffb3a7;
    --cn-bg:          #2c1d1a;
    --cn-border:      #4a2c26;
}

/* ---------- 基础 ---------- */
* { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; }
html { height: 100%; }
body {
    margin: 0;
    min-height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    background: var(--bg-base);
    background-image:
            radial-gradient(circle at 10% 6%,  var(--bg-grad-1), transparent 42%),
            radial-gradient(circle at 90% 4%,  var(--bg-grad-2), transparent 40%),
            radial-gradient(circle at 50% 102%,var(--bg-grad-3), transparent 52%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -webkit-tap-highlight-color: transparent;
    transition: background-color .35s ease, color .35s ease;
}
/* 全屏时放宽最大宽度，减小内边距 */
body.is-fullscreen .game-stage {
    max-width: none;
    width: 100%;
    padding: 8px 20px 24px;
}
/* 可选：全屏时压缩页头高度，节省垂直空间 */
body.is-fullscreen .page-head {
    padding-bottom: 4px;
}
body.is-fullscreen .g-head {
    padding: 4px 0 6px;
}
/* 全屏时 HUD 更紧凑 */
body.is-fullscreen .hud-bar {
    padding: 6px 16px;
}
/* 全屏时单词面板字号略增，提升可读性 */
body.is-fullscreen .wp-l {
    min-width: 40px;
    height: 54px;
    font-size: 27px;
}
body.is-fullscreen .wp-cn {
    font-size: 19px;
}
body[data-theme="dark"] { color-scheme: dark; }
[hidden] { display: none !important; }
kbd {
    display: inline-block; background: var(--card-bg); border: 1px solid var(--border-strong);
    border-bottom-width: 3px; border-radius: 6px; padding: 1px 8px;
    font-size: 12px; color: var(--text-sub); font-family: inherit;
}
a { color: var(--accent); }

/* ---------- 页面主容器 ---------- */
.game-stage { max-width: 980px; margin: 0 auto; padding: 12px 14px 48px; }
.page-head { padding-bottom: 0; }

/* ---------- 页头 ---------- */
.g-head { display: flex; align-items: center; gap: 10px; padding: 8px 0 12px; flex-wrap: wrap; }
.g-back { color: var(--accent); text-decoration: none; font-size: 14px; white-space: nowrap; }
.g-back:hover { text-decoration: underline; }
.g-title {
    font-size: 20px; font-weight: 800; margin: 0; flex: 1;
    letter-spacing: .5px; white-space: nowrap; color: var(--text);
}
.g-title small { font-size: 11px; color: var(--text-mute); font-weight: 400; margin-left: 4px; }
.g-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.g-actions .btn {
    border-radius: 16px; font-size: 13px;
    background: var(--card-bg); border-color: var(--border); color: var(--text-sub);
    transition: all .15s;
}
.g-actions .btn:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.g-actions .btn.on { background: var(--green-soft); border-color: var(--green); color: var(--green); }

/* ---------- 屏幕切换 ---------- */
.x-screen { animation: screenIn .28s ease; }
@keyframes screenIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- 开始界面 ---------- */
.start-wrap { text-align: center; padding: 18px 6px 26px; }
.start-sub { color: var(--text-dim); font-size: 14.5px; margin-bottom: 22px; }
.grade-cards { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 22px; }
.grade-card {
    width: 250px; border: 2px solid var(--border); border-radius: 18px;
    background: var(--card-bg); padding: 20px 14px; cursor: pointer;
    transition: all .18s; text-align: center; outline: none; display: block;
    color: var(--text);
}
.grade-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.grade-card:focus-visible { box-shadow: 0 0 0 3px var(--accent-soft); }
.grade-card.sel { border-color: var(--accent); box-shadow: 0 8px 22px rgba(0,123,255,.18); }
.gc-emoji { display: block; font-size: 38px; line-height: 1.2; }
.gc-name  { display: block; font-size: 17px; font-weight: 700; margin: 8px 0 4px; }
.gc-desc  { display: block; font-size: 12.5px; color: var(--text-dim); }
.howto {
    display: inline-block; text-align: left; background: var(--card-bg);
    border: 1px solid var(--border); border-radius: 16px; padding: 14px 20px;
    font-size: 13.5px; color: var(--text-sub); line-height: 2;
    margin-bottom: 24px; max-width: 640px;
}
.big-btn {
    border: none; background: linear-gradient(135deg, #ff9d2f, #ff5f6d);
    color: #fff; font-size: 18px; font-weight: 800; border-radius: 28px;
    padding: 13px 60px; cursor: pointer; outline: none;
    box-shadow: 0 8px 22px rgba(255,95,109,.38);
    transition: transform .12s, box-shadow .12s;
}
.big-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(255,95,109,.46); }
.big-btn:active { transform: scale(.97); }

/* ---------- 关卡地图 ---------- */
.map-head {
    display: flex; align-items: center; justify-content: space-between;
    gap: 10px; flex-wrap: wrap; margin-bottom: 14px;
}
.map-tabs { display: flex; gap: 8px; }
.map-tab {
    border: 1px solid var(--border); background: var(--card-bg);
    border-radius: 16px; padding: 5px 15px; font-size: 13px; cursor: pointer;
    outline: none; transition: all .15s; color: var(--text-sub);
}
.map-tab:hover { border-color: var(--accent); }
.map-tab.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 700; }
.map-info { font-size: 13px; color: var(--text-dim); margin: 0; }
.map-grid { display: grid; grid-template-columns: repeat(10, 1fr); gap: 8px; }
.lv-btn {
    aspect-ratio: 1 / 1; border: 1px solid var(--border); background: var(--card-bg);
    border-radius: 12px; font-size: 15px; font-weight: 700; cursor: pointer;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 1px; color: var(--text); padding: 0; outline: none;
    transition: transform .12s, box-shadow .12s;
}
.lv-btn:hover:not(.locked) { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.lv-btn .stars { font-size: 8px; letter-spacing: -1px; line-height: 1; }
.lv-btn.done { background: var(--green-soft); border-color: var(--green); }
.lv-btn.now { border: 2px solid var(--gold); box-shadow: 0 0 0 3px rgba(240,173,78,.22); animation: lvPulse 1.6s infinite; }
.lv-btn.locked { color: var(--text-mute); background: var(--card-bg-3); cursor: not-allowed; }
@keyframes lvPulse { 0%,100% { transform: scale(1); } 50% { transform: scale(1.07); } }

/* ---------- 对局 HUD（一行展示全部实时指标 + 操作按钮） ---------- */
.hud-bar {
    display: flex; align-items: center; flex-wrap: wrap; gap: 5px 12px;
    background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px;
    padding: 8px 14px; margin-bottom: 12px; box-shadow: var(--shadow-sm);
}
.hud-btn {
    border: 1px solid var(--border); background: var(--card-bg); border-radius: 14px;
    padding: 4px 12px; font-size: 13px; color: var(--text-sub); cursor: pointer;
    outline: none; transition: all .14s; white-space: nowrap; line-height: 1.6;
}
.hud-btn:hover { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.hud-btn .glyphicon { font-size: 12px; margin-right: 3px; }
.hud-item { display: inline-flex; align-items: center; gap: 4px; font-size: 14px; white-space: nowrap; }
.hud-ico { font-size: 12px; color: var(--text-dim); }
.hud-ico.ico-blue { color: var(--accent); }
.hud-ico.ico-orange { color: var(--gold); }
.hud-ico.ico-green { color: var(--green); }
.hud-k { font-size: 11.5px; color: var(--text-dim); }
.hud-item b {
    font-size: 16px; font-variant-numeric: tabular-nums;
    color: var(--text); min-width: 14px; font-weight: 800;
}
.hud-item b.hl-blue { color: var(--accent); }
.hud-item b.hl-orange { color: var(--gold); }
.hud-spacer { flex: 1 1 auto; }

/* 连击发光效果：连击 ≥ 3 时触发 */
@keyframes comboGlow {
    0%, 100% { text-shadow: 0 0 0 rgba(240,173,78,0); transform: scale(1); }
    50%      { text-shadow: 0 0 14px rgba(240,173,78,.85); transform: scale(1.10); }
}
.hud-item b.hl-orange.hot { animation: comboGlow 1s ease-in-out infinite; }

/* ---------- 画布棋盘 ---------- */
.board-wrap {
    position: relative; border-radius: 20px; background: var(--card-bg);
    border: 1px solid var(--border); box-shadow: var(--shadow-md);
    padding: 6px; margin-bottom: 14px; overflow: hidden;
    transition: background-color .3s;
}
#boardCanvas { display: block; width: 100%; touch-action: manipulation; }
/* 单词完成时棋盘轻微震动 */
@keyframes boardShake {
    0%, 100% { transform: translateX(0); }
    25%      { transform: translateX(-4px); }
    75%      { transform: translateX(4px); }
}
.board-wrap.shake { animation: boardShake .28s ease-out; }

/* ---------- 单词面板（视觉对齐 + 高对比） ---------- */
.word-panel {
    display: flex; align-items: center; justify-content: center; gap: 18px;
    background: var(--card-bg); border: 1px solid var(--border);
    border-radius: 18px; padding: 14px 18px; flex-wrap: wrap;
    box-shadow: var(--shadow-sm); transition: background-color .3s, border-color .3s;
    position: relative;
}
.word-panel.shake { animation: shakeX .32s; }
.word-panel.pulse { animation: panelPulse .5s ease-out; }
@keyframes shakeX {
    0%,100% { transform: translateX(0); }
    25% { transform: translateX(-7px); }
    75% { transform: translateX(7px); }
}
@keyframes panelPulse {
    0%   { box-shadow: 0 0 0 0 rgba(92,184,92,.5); }
    50%  { box-shadow: 0 0 0 12px rgba(92,184,92,0); }
    100% { box-shadow: 0 0 0 0 rgba(92,184,92,0); }
}
/* 左侧大图标 */
.wp-emoji {
    font-size: 46px; width: 66px; height: 66px; flex: 0 0 auto;
    display: flex; align-items: center; justify-content: center;
    line-height: 1; background: var(--card-bg-3); border-radius: 16px;
    border: 1px solid var(--border);
}
/* 中间：字母 + 释义 */
.wp-mid { flex: 1 1 auto; min-width: 0; text-align: center; }
.wp-letters { display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; min-height: 48px; align-items: center; }
.wp-l {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 36px; height: 48px; padding: 0 8px;
    border: 2px solid var(--letter-border); border-radius: 10px;
    background: var(--letter-bg); color: var(--letter-text);
    font-family: Consolas, Menlo, "Courier New", monospace;
    font-size: 24px; font-weight: 800; transition: all .13s;
}
.wp-l.ok  { background: var(--green-soft); border-color: var(--green); color: var(--green); }
.wp-l.now {
    background: var(--gold-soft); border-color: var(--gold); color: var(--gold);
    animation: blinkL 1s infinite;
    box-shadow: 0 0 0 3px rgba(240,173,78,.18);
}
.wp-l.err { background: var(--red-soft); border-color: var(--red); color: var(--red); }
/* 击键涟漪：正确输入时的弹出动画 */
.wp-l.pop { animation: letterPop .28s cubic-bezier(.22,1.5,.36,1); }
@keyframes letterPop {
    0%   { transform: scale(1); }
    50%  { transform: scale(1.16) translateY(-2px); }
    100% { transform: scale(1); }
}
@keyframes blinkL { 0%,50% { opacity: 1; } 51%,100% { opacity: .42; } }

/* 中文释义：重点突出 */
.wp-meta {
    display: flex; align-items: center; justify-content: center;
    gap: 10px; margin-top: 10px; flex-wrap: wrap;
}
.wp-cn {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--cn-bg); border: 1px solid var(--cn-border);
    border-radius: 12px; padding: 4px 14px;
    font-size: 17px; font-weight: 800; color: var(--cn-text);
    letter-spacing: .5px; line-height: 1.5;
}
.wp-cn .cn-label {
    font-size: 11px; font-weight: 600; color: var(--text-dim);
    background: transparent; border-right: 1px solid var(--cn-border);
    padding-right: 6px; letter-spacing: 0;
}
.wp-len {
    font-size: 12px; color: var(--text-dim);
    background: var(--card-bg-3); border-radius: 10px; padding: 3px 10px;
}
/* 右侧发音按钮 */
.wp-speak {
    flex: 0 0 auto; width: 52px; height: 52px; border-radius: 50%;
    border: 2px solid var(--border); background: var(--card-bg-3);
    font-size: 22px; cursor: pointer; outline: none;
    transition: all .16s; display: flex; align-items: center; justify-content: center;
    color: var(--text-sub);
}
.wp-speak:hover { border-color: var(--accent); color: var(--accent); transform: scale(1.06); }
.wp-speak:active { transform: scale(.94); }
.wp-speak.playing { animation: speakPulse .8s infinite; border-color: var(--accent); }
@keyframes speakPulse {
    0%,100% { box-shadow: 0 0 0 0 rgba(0,123,255,.36); }
    50%     { box-shadow: 0 0 0 10px rgba(0,123,255,0); }
}

.wp-tip { text-align: center; font-size: 12.5px; color: var(--text-mute); margin-top: 12px; }

/* ---------- 暂停遮罩（z-index 低于 Bootstrap modal 1040，避免遮挡排行榜） ---------- */
.pause-overlay {
    position: fixed; inset: 0; z-index: 1030;
    background: rgba(20, 26, 36, .48);
    -webkit-backdrop-filter: blur(3px);
    backdrop-filter: blur(3px);
    display: flex; align-items: center; justify-content: center;
    animation: fadeIn .22s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.pause-card {
    background: var(--card-bg); border-radius: 24px; padding: 32px 46px;
    text-align: center; box-shadow: 0 24px 60px rgba(0,0,0,.35);
    animation: popIn .32s cubic-bezier(.22,1.4,.36,1);
    border: 1px solid var(--border);
}
@keyframes popIn { from { transform: scale(.82); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.pause-card .p-ico { font-size: 48px; line-height: 1; }
.pause-card h3 { font-size: 21px; font-weight: 800; margin: 12px 0 6px; color: var(--text); }
.pause-card p { font-size: 13.5px; color: var(--text-dim); margin: 0; }

/* ---------- 中央鼓励弹幕 ---------- */
.x-feedback {
    position: fixed; top: 34%; left: 50%; transform: translateX(-50%);
    font-size: 30px; font-weight: 800; color: var(--red);
    pointer-events: none; opacity: 0; z-index: 1200; white-space: nowrap;
    text-shadow: 0 2px 10px var(--card-bg), 0 0 22px var(--card-bg);
}
.x-feedback.show { opacity: 1; animation: fbPop .42s cubic-bezier(.22,1.5,.36,1); }
@keyframes fbPop {
    0%   { transform: translateX(-50%) scale(.5); }
    55%  { transform: translateX(-50%) scale(1.18); }
    100% { transform: translateX(-50%) scale(1); }
}

/* ---------- 撒花层 ---------- */
.confetti { position: fixed; inset: 0; pointer-events: none; z-index: 1100; overflow: hidden; }
.confetti span { position: absolute; top: -46px; font-size: 22px; will-change: transform; }
@keyframes fall { to { transform: translateY(112vh) rotate(420deg); } }

/* ---------- 通用弹窗内容（覆盖 Bootstrap 默认白色） ---------- */
.xxl-modal-content {
    border: none; border-radius: 26px; overflow: hidden;
    box-shadow: 0 24px 70px rgba(0,0,0,.30);
    background: var(--card-bg); color: var(--text);
}
.xxl-dialog { width: auto; max-width: 560px; margin: 40px auto; }
.rk-dialog  { width: auto; max-width: 700px; margin: 36px auto; }
.set-dialog { width: auto; max-width: 500px; margin: 46px auto; }

/* 结算弹窗 */
.xxl-m-head {
    background: linear-gradient(135deg, #ff9d2f, #ff5f6d);
    color: #fff; text-align: center; padding: 26px 16px 18px;
}
.xxl-m-head .big { font-size: 44px; line-height: 1; display: block; animation: jumpEmoji .8s ease .18s; }
@keyframes jumpEmoji {
    0%,100% { transform: translateY(0); }
    30% { transform: translateY(-11px) scale(1.16); }
    60% { transform: translateY(2px) scale(.96); }
}
.xxl-m-head .t1 { font-size: 24px; font-weight: 800; margin-top: 6px; text-shadow: 0 2px 6px rgba(0,0,0,.18); }
.xxl-m-head .t2 { font-size: 13px; opacity: .94; margin-top: 4px; }
.xxl-m-body { padding: 18px 22px 8px; background: var(--card-bg); }
.xxl-stars { display: flex; justify-content: center; gap: 14px; margin: 4px 0 14px; }
.xxl-stars .st { font-size: 52px; line-height: 1; animation: starIn .5s cubic-bezier(.22,1.6,.36,1) backwards; }
.xxl-stars .st:nth-child(2) { animation-delay: .15s; }
.xxl-stars .st:nth-child(3) { animation-delay: .30s; }
.xxl-stars .st.dim { filter: grayscale(1); opacity: .26; }
@keyframes starIn { from { transform: scale(0) rotate(-45deg); } to { transform: scale(1) rotate(0); } }
.xxl-stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin: 4px 0 10px; }
.xxl-stat {
    background: var(--card-bg-2); border: 1px solid var(--border);
    border-radius: 14px; padding: 10px 4px; text-align: center;
}
.xxl-stat .ico { font-size: 17px; line-height: 1.2; }
.xxl-stat .v { font-size: 19px; font-weight: 800; color: var(--text); margin-top: 3px; }
.xxl-stat .v.blue { color: var(--accent); }
.xxl-stat .k { font-size: 11px; color: var(--text-dim); margin-top: 2px; }
.xxl-login-tip { text-align: center; font-size: 12px; color: #c9971c; margin: 4px 0; min-height: 17px; }
.xxl-btns { display: flex; gap: 10px; justify-content: center; padding: 8px 0 14px; flex-wrap: wrap; background: var(--card-bg); }
.xxl-btn {
    border: none; border-radius: 18px; padding: 11px 26px; font-size: 16px;
    font-weight: 700; cursor: pointer; outline: none;
    transition: transform .12s, box-shadow .12s;
}
.xxl-btn:active { transform: scale(.95); }
.xxl-btn-main {
    background: linear-gradient(135deg, #ff9d2f, #ff5f6d); color: #fff;
    box-shadow: 0 6px 16px rgba(255,95,109,.38);
}
.xxl-btn-main:hover { transform: translateY(-2px); }
.xxl-btn-sub { background: var(--card-bg-3); color: var(--text-sub); border: 1px solid var(--border); }
.xxl-btn-sub:hover { background: var(--accent-soft); color: var(--accent); }
.xxl-space { text-align: center; font-size: 13px; color: var(--text-dim); padding: 0 0 16px; background: var(--card-bg); }

/* 排行榜弹窗 */
.rk-head {
    background: linear-gradient(135deg, #4f8cff, #6a5cff);
    color: #fff; text-align: center; padding: 22px 16px 18px;
}
.rk-head .ico { font-size: 38px; line-height: 1; display: block; }
.rk-head .t { font-size: 22px; font-weight: 800; margin-top: 5px; }
.rk-body { padding: 14px 20px 6px; background: var(--card-bg); }
.rk-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.rk-table th {
    font-size: 12.5px; color: var(--text-dim); font-weight: 600;
    padding: 8px 6px; border-bottom: 2px solid var(--border); text-align: center;
}
.rk-table td { padding: 11px 6px; text-align: center; border-bottom: 1px solid var(--border); color: var(--text); }
.rk-table tr:last-child td { border-bottom: none; }
.rk-table .medal { font-size: 22px; }
.rk-table .num { font-weight: 700; color: var(--text-dim); }
.rk-table .who { display: inline-flex; align-items: center; gap: 9px; }
.rk-table .who img { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; }
.rk-table .who .emoji-av { display: inline-block; width: 28px; text-align: center; font-size: 20px; }
.rk-table .who .nick {
    font-weight: 600; color: var(--text-sub); max-width: 150px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.rk-table .score { font-size: 17px; font-weight: 800; color: var(--accent); font-family: Consolas, monospace; }
.rk-table .detail { font-size: 12.5px; color: var(--text-dim); }
.rk-table tr.top1 td { background: linear-gradient(90deg, rgba(255,248,232,.9), rgba(255,253,246,.9)); }
.rk-table tr.top2 td { background: linear-gradient(90deg, rgba(246,248,252,.9), rgba(252,253,255,.9)); }
.rk-table tr.top3 td { background: linear-gradient(90deg, rgba(253,243,234,.9), rgba(255,252,250,.9)); }
body[data-theme="dark"] .rk-table tr.top1 td { background: rgba(240,173,78,.10); }
body[data-theme="dark"] .rk-table tr.top2 td { background: rgba(120,150,190,.08); }
body[data-theme="dark"] .rk-table tr.top3 td { background: rgba(200,140,90,.08); }
.rk-empty { text-align: center; color: var(--text-dim); font-size: 15px; padding: 38px 0; }
.rk-my {
    margin: 10px 0 4px; background: var(--accent-soft); border: 1px solid var(--border);
    border-radius: 16px; padding: 12px 16px; text-align: center;
    font-size: 15px; color: var(--text-sub);
}
.rk-my b { color: var(--accent); font-size: 17px; }
.rk-my .tip { font-size: 12.5px; color: #c9971c; margin-top: 4px; }
.rk-btns { display: flex; justify-content: center; padding: 10px 0 18px; background: var(--card-bg); }

/* 设置 / 规则弹窗 */
.set-head {
    background: linear-gradient(135deg, #5cb85c, #3d9e6a);
    color: #fff; text-align: center; padding: 20px 16px 16px;
}
.set-head.purple { background: linear-gradient(135deg, #4f8cff, #6a5cff); }
.set-head .ico { font-size: 34px; display: block; line-height: 1; }
.set-head .t { font-size: 20px; font-weight: 800; margin-top: 5px; }
.set-body { padding: 8px 20px 4px; background: var(--card-bg); }
.set-row {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; padding: 13px 2px; border-bottom: 1px solid var(--border);
}
.set-row:last-child { border-bottom: none; }
.set-label { font-size: 15px; font-weight: 700; color: var(--text); }
.set-desc { font-size: 12px; color: var(--text-dim); margin-top: 3px; }
.set-switch {
    position: relative; width: 52px; height: 28px; border-radius: 14px;
    background: var(--border-strong); border: none; cursor: pointer; outline: none;
    transition: background .2s; flex: 0 0 auto;
}
.set-switch::after {
    content: ''; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px;
    background: #fff; border-radius: 50%; box-shadow: 0 2px 5px rgba(0,0,0,.2);
    transition: transform .2s;
}
.set-switch.on { background: var(--green); }
.set-switch.on::after { transform: translateX(24px); }
.set-seg { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.set-seg button {
    border: 1px solid var(--border); background: var(--card-bg-3);
    border-radius: 12px; padding: 5px 12px; font-size: 13px;
    color: var(--text-sub); cursor: pointer; outline: none; transition: all .14s;
}
.set-seg button.on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 700; }
.set-danger {
    border: 1px solid var(--red); background: var(--red-soft); color: var(--red);
    border-radius: 12px; padding: 6px 16px; font-size: 13px; cursor: pointer; outline: none;
}
.set-danger:hover { opacity: .85; }
.rule-item { display: flex; gap: 10px; padding: 9px 0; font-size: 14px; color: var(--text-sub); line-height: 1.7; }
.rule-item .n {
    flex: 0 0 24px; height: 24px; border-radius: 50%; background: var(--accent-soft);
    color: var(--accent); font-size: 13px; font-weight: 700;
    display: flex; align-items: center; justify-content: center; margin-top: 2px;
}

/* 暗色下 Bootstrap modal 遮罩加深 */
body[data-theme="dark"] .modal-backdrop.in { opacity: .72; }

/* ---------- 轻量 Toast ---------- */
.xxl-toast {
    position: fixed; left: 50%; bottom: 42px; transform: translateX(-50%) translateY(20px);
    background: rgba(44,62,80,.95); color: #fff; font-size: 14px;
    padding: 10px 22px; border-radius: 22px; z-index: 2000;
    opacity: 0; transition: opacity .22s, transform .22s; pointer-events: none;
    max-width: 86vw; text-align: center;
}
.xxl-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.xxl-toast.success { background: rgba(39,174,96,.96); }
.xxl-toast.error { background: rgba(201,48,44,.96); }

/* ---------- 响应式 ---------- */
@media (max-width: 700px) {
    .game-stage { padding: 8px 10px 40px; }
    .g-title { font-size: 17px; }
    .hud-bar { padding: 7px 10px; gap: 4px 9px; border-radius: 14px; }
    .hud-item { font-size: 12.5px; }
    .hud-item b { font-size: 14px; }
    .hud-k { font-size: 10.5px; }
    .hud-ico { display: none; }
    .hud-btn { padding: 3px 9px; font-size: 12px; border-radius: 12px; }
    .map-grid { grid-template-columns: repeat(6, 1fr); gap: 6px; }
    .xxl-stats { grid-template-columns: repeat(3, 1fr); }
    .xxl-m-head .big { font-size: 36px; }
    .xxl-m-head .t1 { font-size: 19px; }
    .xxl-stars .st { font-size: 40px; }
    .wp-emoji { font-size: 34px; width: 52px; height: 52px; }
    .wp-l { min-width: 28px; height: 40px; font-size: 19px; padding: 0 6px; }
    .wp-cn { font-size: 15px; padding: 3px 11px; }
    .wp-speak { width: 44px; height: 44px; font-size: 18px; }
    .word-panel { gap: 10px; padding: 12px 12px; }
    .x-feedback { font-size: 22px; }
    .grade-card { width: 100%; max-width: 300px; }
}
@media (max-width: 400px) {
    .map-grid { grid-template-columns: repeat(5, 1fr); }
    .hud-spacer { display: none; }
    .wp-len { display: none; }
}