:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f5f7f4;--panel:#fff;--panel-soft:#f9fbf9;--field:#fff;--card:#fff;--card-end:#fbfdfc;--ink:#18201c;--muted:#667069;--line:#dce3dc;--grid-line:#1e7a4d14;--green:#1e7a4d;--green-dark:#155a39;--coral:#e36a4a;--win:#1f8a55;--win-soft:#e8f7ef;--win-line:#bfe8d2;--loss:#d75b3f;--loss-soft:#fff0ec;--loss-line:#f2c8bd;--gold:#d99b2b;--blue:#3578a7;--shadow:0 18px 50px #18201c1a}:root[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#101512;--panel:#17201b;--panel-soft:#1c2822;--field:#101713;--card:#151f1a;--card-end:#111914;--ink:#eef6f0;--muted:#a9b8af;--line:#304039;--grid-line:#5cd08c14;--green:#5cd08c;--green-dark:#8be3ad;--coral:#f18a6f;--win:#5cd08c;--win-soft:#5cd08c24;--win-line:#5cd08c6b;--loss:#f28b72;--loss-soft:#f28b7224;--loss-line:#f28b726b;--gold:#f1c45f;--blue:#6fb1dd;--shadow:0 18px 50px #00000052}*{box-sizing:border-box}body{background:linear-gradient(90deg, var(--grid-line) 1px, transparent 1px), linear-gradient(var(--grid-line) 1px, transparent 1px), var(--bg);min-height:100vh;color:var(--ink);background-size:28px 28px;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}.app-shell{width:min(1180px,100% - 32px);margin:0 auto;padding:28px 0 96px}.app-controls{right:18px;bottom:max(16px, env(safe-area-inset-bottom));z-index:30;border:1px solid color-mix(in srgb, var(--line) 88%, transparent);background:color-mix(in srgb, var(--panel) 84%, transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-radius:999px;justify-content:center;align-items:center;gap:7px;padding:7px;display:flex;position:fixed;box-shadow:0 14px 38px #18201c29}.top-band{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px;grid-template-columns:auto 1fr minmax(210px,280px);align-items:center;gap:24px;padding:26px;display:grid}.brand-mark{width:116px;height:92px;position:relative}.paddle{background:var(--coral);transform-origin:50% 88%;border:4px solid #232a26;border-radius:50% 50% 46% 46%;width:54px;height:68px;position:absolute}.paddle:after{content:"";background:#232a26;border-radius:7px;width:12px;height:34px;position:absolute;bottom:-30px;left:18px}.paddle-left{top:6px;left:6px;transform:rotate(-24deg)}.paddle-right{background:var(--blue);top:18px;right:8px;transform:rotate(28deg)}.ball{background:var(--gold);border-radius:50%;width:18px;height:18px;position:absolute;top:14px;left:51px;box-shadow:0 0 0 5px #d99b2b29}.eyebrow{color:var(--green);letter-spacing:0;text-transform:uppercase;margin:0 0 6px;font-size:.78rem;font-weight:800}h1,h2,p{margin-top:0}h1{letter-spacing:0;margin-bottom:8px;font-size:clamp(2rem,6vw,4.4rem);line-height:1.02}h1.chinese-title{white-space:nowrap;font-size:clamp(2.35rem,5.1vw,3.85rem)}h1.english-title{white-space:nowrap;max-width:100%;font-size:clamp(2.35rem,4.7vw,3.85rem)}h2{margin-bottom:0;font-size:1.15rem}.intro,#summaryLine{color:var(--muted);margin-bottom:0;line-height:1.6}.profile-panel{border:1px solid var(--line);background:var(--panel-soft);border-radius:8px;gap:12px;padding:18px;display:grid}.player-search{position:relative}.player-search-status{color:var(--muted);align-items:center;gap:6px;margin:8px 0 0;font-size:.72rem;font-weight:800;line-height:1.2;display:inline-flex}.player-search-status.ready{color:var(--green-dark)}.player-search-status.empty{color:var(--loss-ink)}.player-search-status span{border:2px solid color-mix(in srgb, var(--green) 25%, transparent);border-top-color:var(--green);border-radius:50%;width:.72em;height:.72em;animation:.8s linear infinite spin}.player-options{z-index:12;border:1px solid var(--line);background:var(--panel);border-radius:8px;gap:6px;max-height:260px;padding:8px;display:grid;position:absolute;inset:calc(100% + 6px) 0 auto;overflow:auto;box-shadow:0 16px 36px #18201c29}.player-options p{color:var(--muted);margin:0;padding:8px;font-size:.78rem;line-height:1.4}.player-options button{background:var(--panel-soft);width:100%;min-height:46px;color:var(--ink);text-align:left;border:1px solid #0000;border-radius:8px;grid-template-columns:1fr auto;gap:2px 10px;padding:8px 10px;display:grid}.player-options button:hover,.player-options button:focus-visible{border-color:var(--win-line);background:var(--win-soft)}.player-options strong{grid-column:1/-1;font-size:.9rem}.player-options span{color:var(--muted);font-size:.76rem;font-weight:800}.player-option-rating{justify-content:flex-end;align-items:center;gap:4px;display:inline-flex}.player-option-rating i{border:2px solid color-mix(in srgb, var(--green) 22%, transparent);border-top-color:var(--green);border-radius:50%;width:.74em;height:.74em;animation:.8s linear infinite spin}.utility-toggle{border:1px solid var(--line);background:color-mix(in srgb, var(--field) 86%, transparent);min-height:28px;color:var(--green-dark);white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;padding:0 9px;font-size:.72rem;font-weight:850;text-decoration:none;display:inline-flex}.utility-toggle:hover{border-color:var(--green);color:var(--green)}.feedback-toggle{border-color:color-mix(in srgb, var(--green) 46%, var(--line))}label{color:var(--muted);gap:7px;font-size:.88rem;font-weight:700;display:grid}input,select,textarea{border:1px solid var(--line);background:var(--field);width:100%;color:var(--ink);border-radius:6px;outline:none;padding:11px 12px}textarea{resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--green);box-shadow:0 0 0 3px #1e7a4d24}.stats-grid{grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0;display:grid}.refresh-band{background:var(--panel);border:1px solid var(--line);border-radius:8px;justify-content:space-between;align-items:center;gap:18px;margin-top:18px;padding:18px;display:flex}.refresh-content{flex:1;min-width:0}.usatt-player-summary{flex-wrap:wrap;align-items:flex-end;gap:22px;margin:0 0 10px;display:flex}.summary-label{color:var(--muted);margin-bottom:3px;font-size:.76rem;font-weight:800;display:block}.usatt-player-summary strong{font-size:1.2rem;line-height:1.15;display:block}.usatt-player-summary small{color:var(--muted);margin-top:3px;font-size:.78rem;display:block}.refresh-timestamp{color:var(--muted);flex-wrap:wrap;align-items:baseline;gap:8px;margin:0 0 6px;font-size:.82rem;line-height:1.4;display:flex}.refresh-timestamp span{font-weight:850}.refresh-timestamp strong{color:var(--ink);font-weight:850}.rating-trend{border:1px solid var(--line);background:color-mix(in srgb, var(--panel-soft) 86%, transparent);border-radius:8px;width:min(360px,100%);margin:10px 0;padding:10px 12px 8px}.rating-trend-head{justify-content:space-between;align-items:center;gap:12px;display:flex}.rating-trend-head span{color:var(--muted);font-size:.76rem;font-weight:850}.rating-trend-head strong{color:var(--ink);font-size:.95rem;line-height:1}.rating-range-controls{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin-top:10px;display:grid}.rating-range-controls button{border:1px solid var(--line);background:var(--field);min-height:36px;color:var(--muted);border-radius:8px;padding:0 8px;font-size:.78rem;font-weight:850}.rating-range-controls button.active{border-color:var(--win-line);background:var(--win-soft);color:var(--green-dark)}.rating-trend-chart{width:100%;height:176px;margin-top:6px}#refreshStatus{color:var(--muted);margin-bottom:0;line-height:1.5}.refresh-actions{flex-wrap:wrap;justify-content:flex-end;gap:10px;display:flex}.refresh-button{width:auto;min-width:112px;padding:0 14px}.refresh-button:disabled{cursor:wait;opacity:.65}.stat{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:18px}.stat-label{color:var(--muted);font-size:.82rem;font-weight:800;display:block}.stat strong{margin-top:10px;font-size:2rem;line-height:1;display:block}.workspace{grid-template-columns:1fr;align-items:start;gap:18px;display:grid}.entry-form,.history{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:8px}.entry-form{gap:18px;padding:20px;display:grid}.modal-backdrop{z-index:20;overscroll-behavior:contain;background:#18201c61;place-items:center;padding:22px;display:grid;position:fixed;inset:0}.match-dialog{overscroll-behavior:contain;-webkit-overflow-scrolling:touch;border-radius:8px;width:min(840px,100%);max-height:min(92vh,980px);overflow:auto}.match-dialog .entry-form{box-shadow:0 24px 70px #18201c3d}.opponent-dialog{border:1px solid var(--line);background:var(--panel);overscroll-behavior:contain;-webkit-overflow-scrolling:touch;border-radius:8px;gap:18px;width:min(680px,100%);max-height:min(92vh,820px);padding:22px;display:grid;overflow:auto;box-shadow:0 24px 70px #18201c3d}.opponent-dialog-header{justify-content:space-between;align-items:flex-start;gap:16px;display:flex}.opponent-dialog-header h2{margin-bottom:2px;font-size:1.8rem}.opponent-subtitle{color:var(--muted);margin-bottom:0;font-weight:750}.opponent-status{border:1px solid var(--win-line);background:var(--win-soft);color:var(--green-dark);border-radius:8px;margin:-4px 0 0;padding:9px 11px;font-size:.84rem;font-weight:800}.opponent-status.error{border-color:var(--loss-line);background:var(--loss-soft);color:var(--loss)}.opponent-stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;display:grid}.opponent-stats .stat{padding:14px}.opponent-stats .stat strong{font-size:1.2rem}.opponent-dialog .rating-trend{width:100%;margin:0}.dialog-actions{grid-template-columns:minmax(120px,auto) 1fr;align-items:center;gap:12px;display:grid}.dialog-actions .primary-button{width:100%}.dialog-actions .ghost-button{min-height:44px}.form-heading,.history-head,.history-tools,.history-toolbar,.tool-buttons,.filters{justify-content:space-between;align-items:center;gap:12px;display:flex}.history-head,.history-tools{align-items:flex-start;margin-bottom:16px}.history-tools{align-items:end}.history-tools label:first-child{min-width:220px}.score-section,.score-rows{gap:8px;display:grid}.section-title,.export-actions{justify-content:space-between;align-items:center;gap:10px;display:flex}.export-actions{justify-content:flex-end;margin-bottom:16px}.add-match-button{width:auto;min-width:118px;min-height:42px}.small{min-height:34px}.field-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.field-grid label:nth-child(2),.field-grid label:nth-child(3){grid-column:span 2}.result-toggle{border:0;grid-template-columns:1fr 1fr;gap:10px;margin:0;padding:0;display:grid}.result-toggle legend{color:var(--muted);grid-column:1/-1;font-size:.88rem;font-weight:800}.result-toggle input{opacity:0;position:absolute}.result-toggle span{border:1px solid var(--line);text-align:center;color:var(--muted);background:var(--field);border-radius:6px;padding:11px;display:block}.result-toggle input:checked+span{color:#fff;border-color:var(--win);background:var(--win)}.score-board{gap:8px;display:grid}.score-head,.score-row{grid-template-columns:38px 1fr 1fr 34px;align-items:center;gap:8px;display:grid}.score-head{color:var(--muted);font-size:.78rem;font-weight:800}.score-row .game-number{background:var(--panel-soft);border-radius:6px;place-items:center;height:40px;font-weight:800;display:inline-grid}.remove-game,.icon-button,.ghost-button,.primary-button{border:0;border-radius:6px;min-height:40px;font-weight:800}.remove-game{background:var(--loss-soft);color:var(--loss);font-size:1.25rem}.ghost-button,.icon-button{border:1px solid var(--line);background:var(--field);color:var(--green-dark);padding:0 12px}.add-game{justify-self:start}.primary-button{background:var(--win);color:#fff;width:100%;padding:0 16px}.primary-button:hover,.result-toggle input:checked+span:hover{background:var(--green-dark)}.history{min-height:560px;padding:20px}.history-toolbar{align-items:flex-start;margin-bottom:16px}.filters{align-items:end;margin-bottom:16px}.filters label:first-child{flex:1}.filters label:last-child{width:min(190px,42%)}.empty-state{border:1px dashed var(--line);min-height:300px;color:var(--muted);text-align:center;border-radius:8px;place-items:center;gap:14px;display:grid}.mini-table{border:5px solid var(--green);background:#dceee4;width:150px;height:88px;position:relative}.mini-table:before,.mini-table:after{content:"";background:#fff;position:absolute}.mini-table:before{width:4px;height:100%;top:0;left:50%}.mini-table:after{width:100%;height:4px;top:50%;left:0}.mini-table span{z-index:1;background:var(--gold);border-radius:50%;width:12px;height:12px;position:absolute}.mini-table span:first-child{top:18px;left:20px}.mini-table span:nth-child(2){top:54px;right:24px}.mini-table span:nth-child(3){top:36px;left:72px}.match-list{gap:12px;display:grid}.tournament-group{gap:10px;display:grid}.tournament-row{border:1px solid var(--line);background:color-mix(in srgb, var(--panel) 92%, var(--green-soft));width:100%;min-height:70px;color:var(--ink);text-align:left;border-radius:8px;grid-template-columns:auto minmax(0,1fr) auto auto;align-items:center;gap:12px;padding:13px 16px;display:grid;box-shadow:0 8px 22px #19362a0f}.tournament-row:hover,.tournament-row:focus-visible{border-color:var(--win-line);background:color-mix(in srgb, var(--panel) 78%, var(--win-soft))}.tournament-caret{background:var(--field);width:26px;height:26px;color:var(--green-dark);border-radius:6px;place-items:center;font-size:1.35rem;font-weight:900;line-height:1;transition:transform .16s;display:grid;transform:rotate(0)}.tournament-group.expanded .tournament-caret{transform:rotate(90deg)}.tournament-main{gap:4px;min-width:0;display:grid}.tournament-main strong{text-overflow:ellipsis;white-space:nowrap;font-size:1rem;overflow:hidden}.tournament-main small,.tournament-rating small{color:var(--muted);font-size:.74rem;font-weight:800}.tournament-record{background:var(--field);color:var(--green-dark);white-space:nowrap;border-radius:999px;padding:7px 10px;font-size:.78rem;font-weight:900}.tournament-rating{justify-items:end;gap:2px;min-width:86px;display:grid}.tournament-rating strong{font-size:1.05rem;font-weight:950}.tournament-rating.positive strong{color:var(--win)}.tournament-rating.negative strong{color:var(--loss)}.tournament-rating.neutral strong{color:var(--muted)}.tournament-matches{gap:10px;padding-left:18px;display:grid}.match-card{background:linear-gradient(180deg, var(--card) 0%, var(--card-end) 100%);border:1px solid #d8e7df;border-radius:8px;gap:14px;padding:18px 18px 18px 22px;display:grid;position:relative;box-shadow:0 10px 28px #19362a14}.match-card:before{content:"";border-radius:0 999px 999px 0;width:5px;position:absolute;inset:14px auto 14px 0}.match-card.win{border-color:var(--win-line);background:linear-gradient(180deg, var(--win-soft) 0%, var(--card) 56%)}.match-card.win:before{background:var(--win)}.match-card.loss{border-color:var(--loss-line);background:linear-gradient(180deg, var(--loss-soft) 0%, var(--card) 56%)}.match-card.loss:before{background:var(--loss)}.match-card-header{display:block}.scoreboard{background:color-mix(in srgb, var(--field) 82%, transparent);border:1px solid #d8e7dfd9;border-radius:8px;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:14px;width:100%;margin-top:10px;padding:12px 14px;display:grid}.score-separator{color:#9aa8a1;align-self:center;font-size:1.25rem;font-weight:900}.player-score{grid-template-columns:minmax(0,max-content) auto;justify-self:start;align-items:center;gap:4px 16px;min-width:0;display:grid}.player-score.right{text-align:right;grid-template-columns:auto minmax(0,max-content);justify-self:end}.player-score.right .player-name-row{justify-content:flex-end}.player-score small{color:#6b7b72;grid-column:1;font-size:.8rem;font-weight:750}.player-score.right small{grid-column:2;justify-self:end}.player-name-row{align-items:center;gap:8px;min-width:0;display:flex}.player-name-row strong,.player-name-button{overflow-wrap:anywhere;color:var(--ink);font-size:1.05rem;font-weight:900;line-height:1.2}.player-name-button{text-align:inherit;text-decoration:underline;-webkit-text-decoration-color:color-mix(in srgb, var(--green) 36%, transparent);text-decoration-color:color-mix(in srgb, var(--green) 36%, transparent);text-underline-offset:4px;background:0 0;border:0;padding:0;text-decoration-thickness:2px}.player-name-button:hover,.player-name-button:focus-visible{color:var(--green-dark)}.player-score.winner .player-name-row strong,.player-score.winner .player-name-button{color:var(--win)}.player-total{border:1px solid var(--loss-line);background:var(--loss-soft);width:48px;height:48px;color:var(--loss);border-radius:12px;grid-row:1/span 2;place-items:center;font-size:1.55rem;font-weight:950;line-height:1;display:inline-grid}.player-score.left .player-total{grid-column:2}.player-score.right .player-total{grid-column:1}.player-score.winner .player-total{border-color:var(--win-line);background:var(--win-soft);color:var(--win)}.match-meta,.match-notes,.source-meta{color:var(--muted);margin:4px 0 0;line-height:1.5}.source-meta{font-size:.82rem}.game-chips{flex-wrap:wrap;gap:8px;display:flex}.game-chip{text-align:center;border:1px solid #0000;border-radius:999px;min-width:64px;padding:7px 13px;font-size:.86rem;font-weight:800}.game-chip.game-win{border-color:var(--win-line);background:var(--win-soft);color:var(--win)}.game-chip.game-loss{border-color:var(--loss-line);background:var(--loss-soft);color:var(--loss)}.match-video,.video-placeholder{border:1px solid var(--line);background:color-mix(in srgb, var(--field) 78%, transparent);border-radius:8px;width:100%}.match-video{aspect-ratio:16/9;overflow:hidden}.match-video iframe{border:0;width:100%;height:100%;display:block}.video-placeholder{min-height:92px;color:var(--muted);text-align:center;border-style:dashed;place-items:center;gap:4px;padding:16px;display:grid}.video-placeholder span{color:var(--ink);font-size:.9rem;font-weight:850}.video-placeholder small{max-width:34rem;line-height:1.45}.match-actions{gap:8px;display:flex}.danger-button{border:1px solid var(--loss-line);background:var(--loss-soft);min-height:36px;color:var(--loss);border-radius:6px;padding:0 12px;font-weight:800}.danger-button:disabled{cursor:not-allowed;border-color:var(--line);background:color-mix(in srgb, var(--field) 70%, transparent);color:var(--muted);opacity:.62}.hide{display:none}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width:920px){.top-band,.workspace{grid-template-columns:1fr}.brand-mark{width:100px;height:82px}.stats-grid{grid-template-columns:repeat(2,1fr)}.opponent-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:620px){.app-shell{width:min(100% - 20px,1180px);padding-top:10px}.app-controls{right:50%;transform:translate(50%)}.top-band,.entry-form,.history,.opponent-dialog{padding:16px}.match-dialog{max-height:calc(100dvh - 24px)}.opponent-dialog-header{flex-direction:column;align-items:stretch}.opponent-stats{grid-template-columns:1fr}.rating-trend{width:100%;padding:12px}.rating-range-controls button{min-height:38px}.rating-trend-chart{height:220px;margin-top:6px}h1.english-title,h1.chinese-title{white-space:normal;font-size:clamp(2rem,13vw,3rem)}.stats-grid,.field-grid{grid-template-columns:1fr}.field-grid label:nth-child(2),.field-grid label:nth-child(3){grid-column:auto}.form-heading,.history-head,.history-tools,.history-toolbar,.refresh-band,.filters{flex-direction:column;align-items:stretch}.match-card-header{align-items:stretch}.match-card-header,.scoreboard{grid-template-columns:1fr;display:grid}.tournament-row{grid-template-columns:auto minmax(0,1fr)}.tournament-record,.tournament-rating{grid-column:2;justify-self:start}.tournament-rating{align-items:baseline;gap:8px;min-width:0;display:flex}.tournament-matches{padding-left:0}.score-separator{display:none}.player-score.right{text-align:left}.player-score.right .player-name-row{justify-content:flex-start}.player-score.right small{justify-self:start}.refresh-actions{justify-content:stretch}.refresh-button,.filters label:last-child{width:100%}.score-head,.score-row{grid-template-columns:32px 1fr 1fr 32px}}