/* ============================================================
   成语词典 - 成语游戏板块 v1.0（蓝白简约）
   ============================================================ */

/* ---------- 游戏中心 Hero ---------- */
.game-hero {
    background: linear-gradient(120deg, var(--blue-dark) 0%, var(--blue) 55%, #3b82f6 100%);
    border-radius: var(--radius);
    padding: 34px 32px;
    color: var(--on-accent);
    margin-top: 14px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 34px rgba(30, 64, 175, .28);
}
.game-hero::after {
    content: "";
    position: absolute; width: 420px; height: 420px; border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,.15) 0%, transparent 66%);
    right: -140px; top: -190px; pointer-events: none;
}
.gh-title { font-size: 28px; font-weight: 800; letter-spacing: 2px; position: relative; z-index: 1; }
.gh-sub { font-size: 14px; opacity: .93; margin-top: 8px; position: relative; z-index: 1; }
.gh-stat {
    display: flex; align-items: center; gap: 22px; flex-wrap: wrap;
    margin-top: 20px; position: relative; z-index: 1;
    font-size: 13.5px; opacity: .95;
}
.gh-stat b { font-size: 18px; font-weight: 700; margin-left: 4px; }
.gh-link {
    color: var(--on-accent); text-decoration: none; font-weight: 600;
    border-bottom: 1px solid rgba(255,255,255,.5);
    transition: border-color .18s;
}
.gh-link:hover { border-color: var(--on-accent); }

/* ---------- 我的战绩 ---------- */
.my-stat {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
    margin-top: 18px;
}
.ms-item {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 16px; text-align: center; box-shadow: var(--shadow);
}
.ms-num { display: block; font-size: 24px; font-weight: 800; color: var(--blue); }
.ms-label { display: block; font-size: 12.5px; color: var(--text-3); margin-top: 3px; }

.guest-tip {
    margin-top: 16px; padding: 14px 20px;
    background: var(--warn-bg); border: 1px solid var(--warn-border); border-radius: var(--radius-sm);
    font-size: 13.5px; color: var(--warn);
}
.guest-tip a { color: var(--warn); font-weight: 600; }

/* ---------- 游戏卡片 ---------- */
.game-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.game-card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 22px; box-shadow: var(--shadow);
    transition: all .22s var(--ease);
    display: flex; flex-direction: column; gap: 12px;
    position: relative; overflow: hidden;
}
.game-card::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--blue);
    opacity: 0; transition: opacity .22s;
}
.game-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: var(--blue-pale); }
.game-card:hover::before { opacity: 1; }
.gc-teal::before   { background: var(--teal); }
.gc-amber::before  { background: var(--warn-accent); }
.gc-purple::before { background: var(--purple-strong); }

.gc-head { display: flex; gap: 13px; align-items: flex-start; }
.gc-icon {
    flex: 0 0 44px; width: 44px; height: 44px; border-radius: 12px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 22px; background: var(--blue-light);
}
.gc-teal .gc-icon   { background: var(--teal-bg); }
.gc-amber .gc-icon  { background: var(--warn-bg); }
.gc-purple .gc-icon { background: var(--purple-bg); }
.gc-name { font-size: 17px; font-weight: 700; color: var(--text); }
.gc-desc { font-size: 13px; color: var(--text-2); margin-top: 3px; }
.gc-rule { font-size: 12.5px; color: var(--text-3); line-height: 1.75; }

.gc-top {
    background: var(--surface-2); border-radius: var(--radius-sm); padding: 10px 14px;
    border: 1px solid var(--border);
}
.gc-top-label { font-size: 12px; color: var(--text-3); display: block; margin-bottom: 5px; }
.gc-top-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 3px; }
.gc-top-list li { display: flex; justify-content: space-between; font-size: 13px; }
.tl-name { color: var(--text-2); }
.tl-score { color: var(--blue); font-weight: 700; }

.gc-foot { display: flex; align-items: center; gap: 12px; margin-top: auto; font-size: 12.5px; color: var(--text-3); }
.gc-best { color: var(--info); }
.gc-play {
    margin-left: auto; background: var(--blue); color: var(--on-accent);
    padding: 7px 20px; border-radius: 999px; text-decoration: none;
    font-size: 13.5px; font-weight: 600;
    transition: all .18s var(--ease);
}
.gc-play:hover { background: var(--blue-mid); transform: translateY(-1px); box-shadow: 0 5px 14px rgba(37,99,235,.32); }

/* ---------- 学段说明 ---------- */
.grade-intro { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.gi-item {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 18px; text-decoration: none;
    transition: all .2s var(--ease);
    border-top: 3px solid var(--blue);
}
.gi-item.gl-preschool { border-top-color: var(--warn-accent); }
.gi-item.gl-primary   { border-top-color: var(--blue); }
.gi-item.gl-junior    { border-top-color: var(--ok); }
.gi-item.gl-senior    { border-top-color: var(--purple-strong); }
.gi-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.gi-item h3 { font-size: 16px; font-weight: 700; color: var(--text); }
.gi-item p { font-size: 12.5px; color: var(--text-3); margin-top: 5px; line-height: 1.7; }
.gi-count { display: inline-block; margin-top: 8px; font-size: 12px; color: var(--blue); font-weight: 600; }

/* ============================================================
   游戏页
   ============================================================ */
.game-page { max-width: 900px; }

.gp-head {
    display: flex; align-items: center; justify-content: space-between;
    gap: 16px; flex-wrap: wrap; margin-bottom: 18px;
}
.gp-title { display: flex; align-items: center; gap: 14px; }
.gp-icon {
    width: 52px; height: 52px; border-radius: 14px; flex: 0 0 52px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 26px; background: var(--blue-light);
}
.gp-title h1 { font-size: 22px; font-weight: 800; color: var(--blue-dark); }
.gp-title p { font-size: 13px; color: var(--text-2); margin-top: 3px; }
.gp-actions { display: flex; gap: 10px; }
.gp-link {
    font-size: 13.5px; color: var(--text-2); text-decoration: none;
    padding: 7px 15px; border: 1px solid var(--border); border-radius: 999px;
    background: var(--surface); transition: all .18s;
}
.gp-link:hover { color: var(--blue); border-color: var(--blue); }
.gp-link.btn-like { display: inline-block; }

/* ---------- 开局设置 ---------- */
.gp-setup {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 26px; box-shadow: var(--shadow);
}
.gp-setup-title { font-size: 15px; font-weight: 700; color: var(--text); margin-bottom: 14px; }
.grade-pick { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; }
.gpk {
    border: 1.5px solid var(--border); background: var(--surface); border-radius: var(--radius-sm);
    padding: 14px 8px; cursor: pointer; text-align: center;
    transition: all .18s var(--ease);
    font-family: inherit;
}
.gpk:hover { border-color: var(--blue-sky); transform: translateY(-2px); }
.gpk.active { border-color: var(--blue); background: var(--blue-soft); box-shadow: 0 3px 12px rgba(37,99,235,.14); }
.gpk-name { display: block; font-size: 15px; font-weight: 700; color: var(--text); }
.gpk-sub { display: block; font-size: 11.5px; color: var(--text-3); margin-top: 3px; }
.gpk.active .gpk-name { color: var(--blue); }

.gp-rule { margin: 20px 0 0; padding-left: 18px; }
.gp-rule li { font-size: 13px; color: var(--text-2); line-height: 2; }
.gp-rule b { color: var(--blue); }

.gp-start-row { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 22px; }
.gp-start {
    background: var(--blue); color: var(--on-accent); border: 0; border-radius: 999px;
    padding: 12px 40px; font-size: 15px; font-weight: 700; cursor: pointer;
    box-shadow: 0 5px 18px rgba(37,99,235,.32);
    transition: all .18s var(--ease);
    font-family: inherit;
}
.gp-start:hover { background: var(--blue-mid); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(37,99,235,.4); }
.gp-start:active { transform: scale(.97); }
.gp-start:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.gp-mybest { font-size: 13px; color: var(--info); font-weight: 600; }
.gp-guest-tip { margin-top: 14px; font-size: 12.5px; color: var(--text-3); }
.gp-guest-tip a { color: var(--blue); }

/* ---------- 游戏区 ---------- */
.gp-board {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: var(--shadow); overflow: hidden;
}
.gpb-hud {
    display: flex; align-items: center; gap: 26px; flex-wrap: wrap;
    padding: 16px 24px; background: var(--surface-2);
    border-bottom: 1px solid var(--border);
    position: relative;
}
.hud-item { display: flex; flex-direction: column; gap: 2px; }
.hud-label { font-size: 11.5px; color: var(--text-3); }
.hud-value { font-size: 17px; font-weight: 700; color: var(--text); }
.hud-value.score { color: var(--blue); }
.hud-value.combo { color: var(--text-3); transition: all .2s; }
.hud-value.combo.hot { color: var(--warn-accent); font-size: 21px; transform: scale(1.08); }
.hud-value.warn { color: var(--danger); animation: pulse .8s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .45; } }
.hud-bar {
    position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--border);
}
.hud-bar i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, #60a5fa, var(--blue)); transition: width .3s var(--ease); }

.gpb-body { padding: 32px 28px; min-height: 320px; }
.stage-label { font-size: 13px; color: var(--text-3); margin-bottom: 16px; }

.stage-word {
    font-size: 46px; font-weight: 800; color: var(--blue-dark);
    letter-spacing: 8px; text-align: center; margin: 22px 0 34px;
    line-height: 1.4;
}
.stage-word.small { font-size: 38px; letter-spacing: 6px; }
.stage-word em {
    color: var(--blue); font-style: normal;
    border-bottom: 4px solid var(--blue); padding: 0 4px;
}
.stage-quote {
    font-size: 17px; line-height: 2; color: var(--text);
    background: var(--blue-bg); border-left: 4px solid var(--blue);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 18px 22px; margin: 0 0 30px;
}

.opt-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.opt {
    display: flex; align-items: center; gap: 12px;
    background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--radius-sm);
    padding: 15px 18px; cursor: pointer; text-align: left;
    font-size: 16px; font-family: inherit; color: var(--text);
    transition: all .16s var(--ease);
}
.opt:hover { border-color: var(--blue); background: var(--surface-2); transform: translateY(-2px); }
.opt-no {
    flex: 0 0 26px; width: 26px; height: 26px; border-radius: 7px;
    background: var(--surface-3); color: var(--text-2);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 12.5px; font-weight: 700;
}
.opt-text { font-weight: 500; }
.opt.ok { border-color: var(--ok); background: var(--ok-bg); }
.opt.ok .opt-no { background: var(--ok); color: var(--on-accent); }
.opt.bad { border-color: var(--danger); background: var(--danger-bg); }
.opt.bad .opt-no { background: var(--danger); color: var(--on-accent); }
.opt.picked { pointer-events: none; }
.opt.ok, .opt.bad { pointer-events: none; }

/* 连连看 */
.match-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: start; }
.match-col { display: flex; flex-direction: column; gap: 10px; }
.match-item {
    background: var(--surface); border: 1.5px solid var(--border); border-radius: var(--radius-sm);
    padding: 14px 16px; cursor: pointer; text-align: left;
    font-size: 14px; font-family: inherit; color: var(--text); line-height: 1.7;
    transition: all .16s var(--ease);
    position: relative;
    word-break: break-word;
}
/* 右列是成语，字数少——加大字号并居中，视觉上与释义列区分开 */
.match-item.side-r {
    font-size: 17px; font-weight: 600; letter-spacing: 1px;
    text-align: center; color: var(--blue-dark);
    display: flex; align-items: center; justify-content: center; min-height: 58px;
}
.match-item.side-l { min-height: 58px; }
.match-item:hover { border-color: var(--blue); background: var(--surface-2); }
.match-item.picked {
    border-color: var(--blue); background: var(--blue-soft);
    box-shadow: 0 0 0 3px rgba(37,99,235,.14);
}
.match-item.picked::after {
    content: '已选'; position: absolute; top: -8px; right: -6px;
    background: var(--blue); color: var(--on-accent); font-size: 11px; font-weight: 600;
    padding: 1px 6px; border-radius: 8px; letter-spacing: 0;
}
.match-item.done {
    border-color: var(--ok-border); background: var(--ok-bg); color: var(--ok);
    cursor: default; opacity: .72;
}
.match-item.done.side-r { color: var(--ok); }
.match-item.shake { animation: shake .4s; }
.match-item.wrong { border-color: var(--danger) !important; background: var(--danger-bg) !important; }
/* 配错时高亮真正的正确答案，给出明确学习反馈 */
.match-item.hint-pair {
    border-color: var(--warn-accent) !important;
    background: var(--warn-bg) !important;
    box-shadow: 0 0 0 3px rgba(245,158,11,.22);
    animation: pulse-hint 1s ease-in-out infinite;
}
@keyframes pulse-hint {
    0%,100% { box-shadow: 0 0 0 3px rgba(245,158,11,.22); }
    50%     { box-shadow: 0 0 0 6px rgba(245,158,11,.10); }
}
@keyframes shake {
    0%,100% { transform: translateX(0); }
    20% { transform: translateX(-6px); }
    40% { transform: translateX(6px); }
    60% { transform: translateX(-4px); }
    80% { transform: translateX(4px); }
}

.gpb-foot {
    display: flex; align-items: center; gap: 14px;
    padding: 14px 24px; border-top: 1px solid var(--border); background: var(--surface-2);
}
.gp-quit {
    background: transparent; border: 1px solid var(--border); border-radius: 999px;
    padding: 7px 18px; font-size: 13px; color: var(--text-2); cursor: pointer;
    font-family: inherit; transition: all .18s;
}
.gp-quit:hover { color: var(--danger); border-color: var(--danger-border); }
.gp-hint { font-size: 13px; color: var(--text-2); }

/* ---------- 结算 ---------- */
.gp-result {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 36px 28px; box-shadow: var(--shadow); text-align: center;
}
.gr-badge { font-size: 54px; line-height: 1; }
.gr-title { font-size: 21px; font-weight: 800; color: var(--text); margin-top: 12px; }
.gr-score { margin: 18px 0; }
.gr-score span { font-size: 62px; font-weight: 800; color: var(--blue); line-height: 1; }
.gr-score small { font-size: 17px; color: var(--text-3); margin-left: 6px; }
.gr-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 22px; }
.gr-cell { background: var(--surface-2); border-radius: var(--radius-sm); padding: 15px 8px; }
.grc-num { display: block; font-size: 19px; font-weight: 700; color: var(--text); }
.grc-label { display: block; font-size: 12px; color: var(--text-3); margin-top: 3px; }
.gr-breakdown { margin-top: 20px; font-size: 13.5px; color: var(--text-2); line-height: 2; }
.gr-breakdown b { color: var(--blue); }
.gr-breakdown .nb { color: var(--warn-accent); font-weight: 700; }
.gr-tip { margin-top: 10px; font-size: 13px; color: var(--info); }
.gr-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 24px; }
.gr-review { margin-top: 26px; text-align: left; }
.grr-title { font-size: 14px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.grr-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.grr-list li {
    background: var(--danger-bg); border: 1px solid var(--danger-border); border-radius: var(--radius-sm);
    padding: 10px 14px; font-size: 13.5px; color: var(--danger-strong);
}
.grr-list li b { color: var(--ok); }
.grr-list li em { color: var(--danger); font-style: normal; }

/* ---------- 排行榜 ---------- */
.board-head { margin-bottom: 18px; }
.bh-sub { font-size: 13.5px; color: var(--text-2); margin-top: 6px; }
.bh-sub b { color: var(--blue); }

.board-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.bt-tab {
    background: var(--surface); border: 1px solid var(--border); border-radius: 999px;
    padding: 8px 20px; font-size: 14px; color: var(--text-2); cursor: pointer;
    font-family: inherit; transition: all .18s var(--ease);
}
.bt-tab:hover { color: var(--blue); border-color: var(--blue); }
.bt-tab.active { background: var(--blue); border-color: var(--blue); color: var(--on-accent); font-weight: 600; }

.board-panel { display: none; }
.board-panel.active { display: block; }

.board-table {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
    overflow: hidden; box-shadow: var(--shadow);
}
.bt-row {
    display: flex; align-items: center; gap: 14px;
    padding: 13px 20px; border-bottom: 1px solid var(--surface-3);
    font-size: 14px;
    transition: background .15s;
}
.bt-row:last-child { border-bottom: 0; }
.bt-row:hover { background: var(--blue-bg); }
.bt-row.bt-top { background: var(--warn-bg); }
.bt-row.bt-top:hover { background: var(--warn-bg); }
.rank-no {
    display: inline-flex; width: 24px; height: 24px; flex: 0 0 24px;
    align-items: center; justify-content: center;
    border-radius: 50%; font-size: 12px; font-weight: 700;
    background: var(--surface-3); color: var(--text-3);
}
.rank-no.top1 { background: var(--warn-accent); color: var(--on-accent); }
.rank-no.top2 { background: var(--border-strong); color: var(--on-accent); }
.rank-no.top3 { background: #fdba74; color: var(--on-accent); }
.bt-name { flex: 1; font-weight: 600; color: var(--text); min-width: 80px; }
.bt-grade { flex: 0 0 auto; }
.bt-all { font-size: 12px; color: var(--text-3); }
.bt-score { flex: 0 0 76px; text-align: right; font-weight: 700; color: var(--blue); }
.bt-acc { flex: 0 0 110px; text-align: right; font-size: 13px; color: var(--text-2); }
.bt-time { flex: 0 0 46px; text-align: right; font-size: 13px; color: var(--text-3); }
.acc-bar {
    display: inline-block; width: 46px; height: 5px; border-radius: 99px;
    background: var(--border); overflow: hidden; vertical-align: middle; margin-right: 7px;
}
.acc-bar i { display: block; height: 100%; background: linear-gradient(90deg, #60a5fa, var(--blue)); }
.board-foot { text-align: center; margin-top: 20px; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
    .game-grid { grid-template-columns: 1fr; }
    .grade-intro { grid-template-columns: repeat(2, 1fr); }
    .my-stat { grid-template-columns: repeat(2, 1fr); }
    .grade-pick { grid-template-columns: repeat(3, 1fr); }
    .gr-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .game-hero { padding: 24px 20px; }
    .gh-title { font-size: 22px; }
    .gh-stat { gap: 12px; font-size: 12.5px; }
    .game-card { padding: 18px; }
    .grade-intro { grid-template-columns: 1fr; }
    .gp-setup { padding: 20px 16px; }
    .grade-pick { grid-template-columns: repeat(2, 1fr); }
    .gpb-hud { gap: 16px; padding: 13px 16px; }
    .hud-value { font-size: 15px; }
    .gpb-body { padding: 22px 16px; }
    .stage-word { font-size: 34px; letter-spacing: 5px; }
    .stage-word.small { font-size: 28px; }
    .stage-quote { font-size: 15px; }
    .opt-grid { grid-template-columns: 1fr; }
    /* 连连看窄屏仍保持左右双列：改成单列会让「释义/成语」两组混在一起无法配对 */
    .match-wrap { grid-template-columns: 1fr 1fr; gap: 10px; }
    .match-item { padding: 10px 11px; font-size: 12.5px; line-height: 1.6; min-height: 52px; }
    .match-item.side-r { font-size: 14.5px; letter-spacing: .5px; min-height: 52px; }
    .match-item.picked::after { font-size: 10px; padding: 0 4px; }
    .gp-result { padding: 26px 18px; }
    .gr-score span { font-size: 48px; }
    .bt-row { gap: 8px; padding: 11px 13px; font-size: 13px; }
    .bt-acc { display: none; }
    .bt-time { display: none; }
    .gp-title h1 { font-size: 18px; }
}