/* The clock face is deliberately self-contained: no web fonts or image effects. */
:root{color-scheme:dark;--bg:#202426;--ink:#f7f3e8;--muted:#a8aeac;--line:#3b4142;--accent:#e8bd79;--red:#af493f;--black:#314853;--paper:#f2eee3;--sheet:#272c2e;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg)}body{color:var(--ink);font-size:14px;-webkit-tap-highlight-color:transparent}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer;touch-action:manipulation}button:disabled{cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px}[hidden]{display:none!important}svg{display:block;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0!important}
.clock-app{width:100%;max-width:1040px;height:100vh;height:100dvh;min-height:420px;margin:0 auto;padding:0 12px;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);display:flex;flex-direction:column;overflow:hidden}
.app-header{flex:0 0 56px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 4px}.brand{display:flex;align-items:center;gap:9px;color:var(--ink);text-decoration:none;font-size:18px;font-weight:700;letter-spacing:.08em;white-space:nowrap}.brand-logo{height:30px;width:30px;object-fit:contain}.header-tools{display:flex;align-items:center;gap:8px}.header-action{display:flex;align-items:center;gap:5px;color:#deded5;background:transparent;border:0;padding:10px 5px;font-size:13px;min-height:44px}.header-action svg{width:19px;height:19px}.language-picker{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:3px;flex:0 0 44px;width:44px;height:44px;color:#deded5;border:1px solid #434b49;border-radius:10px;background:#293031}.language-picker:hover{background:#343c3b}.language-picker:focus-within{outline:3px solid var(--accent);outline-offset:3px}.language-picker-icon,.wiki-vietnamese-letter{pointer-events:none}.wiki-vietnamese-letter{font-size:14px;line-height:1}.language-picker select{position:absolute;top:0;right:0;bottom:0;left:0;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}.language-picker option{color:#f7f3e8;background:#272c2e}
.clock-board{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;gap:0}.player-panel{position:relative;flex:1 1 0;min-height:0;min-width:0;width:100%;padding:0;overflow:hidden;border:1px solid rgba(255,255,255,.08);border-radius:20px;background:var(--paper);color:var(--black);box-shadow:0 2px 0 rgba(0,0,0,.16);transition:background-color .15s,color .15s;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.player-panel[data-slot="0"]{order:0}.player-panel[data-slot="1"]{order:2}.player-red{color:#8f2d24;background:#fff0df}.player-black{color:#183a46;background:#e8f1f1}.player-panel::after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;inset:0;border:2px solid transparent;border-radius:inherit;pointer-events:none}.player-panel[data-active="true"]{background:#20414e;color:#fffdf5}.player-red[data-active="true"]{background:#9f3026;color:#fffdf5}.player-panel[data-active="true"]::after{border:5px solid #fffdf5;opacity:1}.player-panel[data-active="true"] .side-dot{width:0;height:0;background:transparent;border-radius:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:10px solid currentColor}.player-panel[data-active="true"]:active{filter:brightness(.93)}.clock-board[data-status="running"] .player-panel[data-active="false"] .time{opacity:1}.player-panel[data-flagged="true"]{color:#fff5ee;background:#9c3e36}.player-panel[data-flagged="true"]::after{border-color:#f1c09b}
.player-content{position:absolute;top:0;right:0;bottom:0;left:0;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:16px;gap:9px;pointer-events:none;transform-origin:center}.player-topline{display:flex;align-items:center;justify-content:center;gap:8px;line-height:1.4}.player-name{display:inline-flex;align-items:center;gap:6px;font-weight:700;letter-spacing:.1em;font-size:17px}.side-dot{width:7px;height:7px;border-radius:50%;background:currentColor;display:inline-block}.time{display:block;font-family:ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:68px;font-size:clamp(48px,19vw,160px);font-weight:600;line-height:1.08;letter-spacing:-.055em;font-variant-numeric:tabular-nums;font-feature-settings:"tnum";white-space:nowrap}.time.has-hours,.time[data-hours="true"]{font-size:54px;font-size:clamp(38px,13vw,120px)}.move-time{font-size:15px;font-weight:600;line-height:1.3;opacity:.85}.phase:not(.sr-only){font-size:13px}.player-detail:not(.sr-only){font-size:13px}
/* Direction follows the physical seat, including after red/black are exchanged. */
.clock-board[data-orientation="opposite"] [data-slot="0"] .player-content{transform:rotate(180deg)}.clock-board[data-orientation="left"] .player-content{transform:rotate(90deg)}.clock-board[data-orientation="right"] .player-content{transform:rotate(-90deg)}
.clock-controls{order:1;flex:0 0 96px;padding:9px 0;display:flex;flex-direction:column;justify-content:center;gap:7px}.round-line{display:flex;align-items:center;justify-content:center;gap:10px;color:#c7cbc4;font-size:11px;line-height:1.4;font-variant-numeric:tabular-nums;white-space:nowrap}.round-mark{display:block;width:24px;height:1px;background:#505859}.toolbar{display:flex;align-items:center;justify-content:center;gap:5px}.tool-button{width:37px;min-height:44px;padding:4px 0 2px;background:transparent;border:0;border-radius:8px;color:#c0c6c2;display:flex;align-items:center;flex-direction:column;justify-content:center;gap:5px}.tool-button svg{width:19px;height:19px}.tool-caption{max-width:100%;font-size:9px;line-height:1.1;white-space:normal;text-align:center;overflow-wrap:break-word}.tool-button:hover{background:#343b3c;color:var(--ink)}.tool-button:disabled{opacity:.35}.tool-button[aria-pressed="false"]{color:#737e7c}.toggle-button{height:44px;min-width:77px;padding:0 13px;background:var(--accent);color:#292c29;border:0;border-radius:11px;font-size:15px;font-weight:750;letter-spacing:.06em;box-shadow:0 2px 0 #9f8156}.toggle-button:active{transform:translateY(1px);box-shadow:0 1px 0 #9f8156}.clock-footer{flex:0 0 auto;min-height:30px;padding:6px 4px;text-align:center;display:flex;align-items:center;justify-content:center}.clock-footer p{margin:0;color:#99a3a0;font-size:10px;line-height:1.6}.notice{padding:8px 10px;margin:0 0 8px;border:1px solid #776b4b;border-radius:8px;background:#3e3c30;color:#f3dfb5;line-height:1.5;font-size:12px}.notice button{margin-left:8px;padding:4px 7px;border:1px solid #a6946c;border-radius:5px;color:inherit;background:transparent}.boot-notice{color:#bbbeb4;border-color:#434b49;background:#2b3232}
/* An idle/paused clock cannot be mistaken for a live clock. */
.clock-board[data-status="ready"] .player-panel,.clock-board[data-status="paused"] .player-panel{background:#353b3c;color:#bac1be;border:2px dashed #697371;box-shadow:none}.clock-board[data-status="ready"] .player-red,.clock-board[data-status="paused"] .player-red{background:#3c3534;color:#d8aaa1;border-color:#85635e}.clock-board[data-status="ready"] .time,.clock-board[data-status="paused"] .time{opacity:.62}.clock-board[data-status="ready"] .player-panel::before,.clock-board[data-status="paused"] .player-panel::before{content:"";position:absolute;right:18px;top:18px;width:12px;height:17px;border-left:4px solid currentColor;border-right:4px solid currentColor;opacity:.65;pointer-events:none}.clock-board[data-status="ready"] .player-panel::before{width:0;height:0;border-left:12px solid currentColor;border-right:0;border-top:8px solid transparent;border-bottom:8px solid transparent}
.clock-board[data-layout="split"]{position:relative;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:minmax(0,1fr) 96px;gap:10px}.clock-board[data-layout="split"] .player-panel{height:100%;width:100%}.clock-board[data-layout="split"] [data-slot="0"]{grid-column:1;grid-row:1}.clock-board[data-layout="split"] [data-slot="1"]{grid-column:2;grid-row:1}.clock-board[data-layout="split"] .clock-controls{grid-column:1 / 3;grid-row:2}.clock-board[data-layout="split"][data-orientation="opposite"] [data-slot="0"] .player-content{transform:rotate(90deg)}.clock-board[data-layout="split"][data-orientation="opposite"] [data-slot="1"] .player-content{transform:rotate(-90deg)}
.sheet{position:fixed;z-index:10;top:0;right:0;bottom:0;left:0;inset:0;padding:18px 14px 0;background:rgba(6,10,11,.76);display:flex;align-items:flex-end;justify-content:center;overscroll-behavior:contain}.sheet-card{display:flex;flex-direction:column;max-height:100%;width:100%;max-width:510px;border:1px solid #444b4a;border-bottom:0;border-radius:24px 24px 0 0;background:var(--sheet);box-shadow:0 -15px 60px rgba(0,0,0,.2);overflow:hidden}.sheet-header{display:flex;justify-content:space-between;align-items:center;padding:22px 23px 17px;gap:20px;flex-shrink:0;border-bottom:1px solid #3d4444}.eyebrow{display:block;color:var(--accent);font-size:10px;letter-spacing:.16em;margin-bottom:5px}.sheet-header h1{font-size:22px;font-weight:650;letter-spacing:.04em;margin:0}.close-button{height:40px;width:40px;flex-shrink:0;background:#363d3e;color:#d4d9d4;border:0;border-radius:50%;font-size:25px;line-height:1}.settings-form{display:flex;flex-direction:column;min-height:0;overflow:hidden}.sheet-body{padding:19px 23px 24px;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.preset-row{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:23px}.preset-row button{padding:9px 10px;background:#353e3d;border:1px solid #4d5752;color:#d8dfd3;border-radius:7px;font-size:11px}.preset-row button:hover{border-color:var(--accent);color:var(--accent)}.settings-group{border:0;padding:0;margin:0 0 18px;min-width:0}.time-settings-block{min-width:0}.time-group-title{font-size:13px;font-weight:650;line-height:1.5;margin:0 0 15px;color:#e6c995}.black-time-block{padding-top:19px;margin-top:20px;border-top:1px solid #596360}.black-time-block .time-group-title{color:#d2e4e7}.separate-times-check{margin-bottom:22px}.settings-group legend{font-size:15px;font-weight:650;letter-spacing:.03em;margin-bottom:16px;padding:0}.field{display:flex;flex-direction:column;gap:8px;margin:0 0 18px;min-width:0}.field>span:first-child,.field>label:first-child{font-size:12px;color:#d8ddd5}.field small,.check-field small,.field-help{color:#9da8a3;font-size:11px;line-height:1.7;font-weight:400;margin:0}.field input,.field select{width:100%;min-width:0;max-width:100%;border:1px solid #52605b;background:#202728;color:#f5f4e8;border-radius:8px;padding:11px 12px;min-height:44px;font-size:16px;line-height:1.35}.field select{padding-right:28px}.field input:focus,.field select:focus,.alert-threshold input:focus{border-color:var(--accent);outline:1px solid var(--accent);outline-offset:0}.duration-fields{display:flex;align-items:center;gap:10px}.duration-fields label{flex:1;min-width:0;display:flex;align-items:center;position:relative}.duration-fields input{padding-right:35px;font-variant-numeric:tabular-nums}.duration-fields label span{position:absolute;right:13px;color:#a6b0a8;font-size:12px;pointer-events:none}.number-with-unit{display:flex;align-items:center;gap:10px}.number-with-unit input{max-width:125px}.number-with-unit>span{color:#aeb7af;font-size:12px}.field-pair{display:flex;gap:12px}.field-pair .field{flex:1;min-width:0}.check-field{display:flex;align-items:flex-start;gap:10px;margin:18px 0;color:#d9dfd6;font-size:12px;line-height:1.55}.check-field input{flex-shrink:0;width:18px;height:18px;margin:0;accent-color:#dfb875}.check-field>span{display:flex;flex-direction:column;gap:3px}.check-field strong{font-size:12px;font-weight:600}.settings-details{border-top:1px solid #434b48;padding:0;margin:0}.settings-details summary{padding:18px 0;list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:600;gap:12px}.settings-details summary::-webkit-details-marker{display:none}.settings-details summary::after{content:"+";color:#99a59f;font-weight:400;font-size:20px;line-height:1}.settings-details[open] summary::after{content:"−"}.details-body{padding:0 0 20px}.details-body>.field:last-child{margin-bottom:0}.alert-setting{padding:12px 0;border-bottom:1px solid #39413e;display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.alert-setting .check-field{margin:0}.alert-threshold{display:flex;align-items:center;gap:7px;color:#abb5ac;font-size:11px;white-space:nowrap}.alert-threshold input{width:59px;min-height:37px;border:1px solid #536159;background:#202728;color:#f5f4e8;border-radius:6px;padding:6px;font-size:16px;text-align:center}.alert-setting+.field-help{margin:10px 0 13px}.secondary-button{padding:10px 16px;min-height:42px;border:1px solid #6c7667;background:transparent;color:#e3ddc8;border-radius:8px;font-size:12px}.help-details p{margin:0 0 13px;color:#b1bcb3;font-size:12px;line-height:1.85}.help-details p:last-child{margin-bottom:0}.help-details strong{color:#e2e4d6;font-weight:600}.sheet-footer{padding:13px 23px calc(15px + env(safe-area-inset-bottom,0px));background:#272e2e;border-top:1px solid #444c45;flex-shrink:0}.sheet-footer p{margin:0 0 10px;text-align:center;color:#9daa9f;font-size:10px}.primary-button{width:100%;min-height:47px;padding:12px 15px;background:var(--accent);border:0;border-radius:9px;color:#2a2f28;font-size:14px;font-weight:650;letter-spacing:.04em}.primary-button:active{background:#d5aa68}.form-error{padding:12px;margin:15px 0 0;border:1px solid #9c6c5c;border-radius:8px;color:#f6c1a7;background:#46312c;font-size:12px;line-height:1.6}.adjust-card{max-width:470px}.adjust-card .sheet-body{padding-top:24px}

.volume-field input[type="range"]{min-height:36px;padding:0;border:0;accent-color:var(--accent);background:transparent}.sheet-footer .form-error{margin:0 0 10px;padding:10px;color:#f6c1a7;font-size:12px;text-align:left}.sheet-open{overflow:hidden}
@media(min-width:700px){.clock-app{padding-left:24px;padding-right:24px}.app-header{flex-basis:64px}.player-panel{border-radius:25px}.player-name{font-size:20px}.clock-controls{flex-basis:104px;gap:10px}.toolbar{gap:14px}.tool-button{width:48px}.toggle-button{min-width:115px}.clock-footer{min-height:34px}.sheet{padding-bottom:25px;align-items:center}.sheet-card{max-height:calc(100vh - 50px);border-bottom:1px solid #444b4a;border-radius:24px}}
@media(max-width:359px){.clock-app{padding-left:8px;padding-right:8px}.app-header{gap:7px;padding:0 3px}.brand{font-size:16px;gap:6px}.header-tools{gap:4px}.toolbar{gap:2px}.tool-button{width:34px}.toggle-button{min-width:72px;padding:0 9px}.tool-caption{font-size:8px}.round-line{font-size:10px;gap:9px}.sheet{padding-left:7px;padding-right:7px}.sheet-header,.sheet-body,.sheet-footer{padding-left:18px;padding-right:18px}.player-name{font-size:15px}.player-content{gap:6px}}
@media(max-height:680px){.app-header{flex-basis:48px}.brand-logo{height:27px;width:27px}.clock-controls{flex-basis:88px;padding:6px 0;gap:5px}.clock-footer{min-height:26px;padding:4px}.player-content{gap:5px;padding:10px}.player-name{font-size:15px}.clock-board[data-layout="split"]{grid-template-rows:minmax(0,1fr) 88px}.sheet-header{padding-top:16px;padding-bottom:14px}.sheet-header h1{font-size:20px}}
@media(orientation:landscape) and (max-height:520px){.clock-app{min-height:280px;max-width:none;padding-left:10px;padding-right:10px;padding-left:max(10px,env(safe-area-inset-left,0px));padding-right:max(10px,env(safe-area-inset-right,0px))}.app-header{flex-basis:44px}.brand{font-size:15px}.brand-logo{height:25px;width:25px}.header-action{padding:5px}.clock-board,.clock-board[data-layout="split"]{display:grid;grid-template-columns:1fr 1fr;grid-template-rows:minmax(0,1fr) 70px;gap:7px}.player-panel{height:100%}.clock-board [data-slot="0"]{grid-column:1;grid-row:1}.clock-board [data-slot="1"]{grid-column:2;grid-row:1}.clock-controls{grid-column:1 / 3;grid-row:2;gap:2px;padding:1px}.player-content{gap:4px}.player-name{font-size:14px}.clock-footer{min-height:22px;padding:3px}.clock-footer p{font-size:9px}.clock-board[data-orientation="opposite"] [data-slot="0"] .player-content{transform:rotate(90deg)}.clock-board[data-orientation="opposite"] [data-slot="1"] .player-content{transform:rotate(-90deg)}.sheet{padding-top:5px}.sheet-header{padding:10px 18px}.eyebrow{display:none}.sheet-header h1{font-size:18px}.sheet-footer{padding-top:8px;padding-bottom:8px}.sheet-footer p{display:none}.primary-button{min-height:40px;padding:9px}.sheet-body{padding-top:14px}}
/* Apply this immediately on start, including browsers without Fullscreen API. */
.clock-app.immersive{position:fixed;z-index:5;top:0;right:0;bottom:0;left:0;inset:0;max-width:none;min-height:0;width:100%;height:100%;height:100dvh;margin:0;padding:6px;padding-top:max(6px,env(safe-area-inset-top,0px));padding-right:max(6px,env(safe-area-inset-right,0px));padding-bottom:max(6px,env(safe-area-inset-bottom,0px));padding-left:max(6px,env(safe-area-inset-left,0px));background:var(--bg)}.clock-app.immersive .app-header,.clock-app.immersive .clock-footer,.clock-app.immersive>.notice,.clock-app.immersive .tool-button{display:none}.clock-app.immersive .clock-board{width:100%;height:100%;flex:1;gap:0}.clock-app.immersive .player-panel{border-radius:17px}.clock-app.immersive .clock-controls{flex:0 0 66px;padding:3px 0;gap:4px}.clock-app.immersive .round-line{display:flex;min-width:0;color:#eee8d9;font-size:12px;line-height:1.4;white-space:normal;text-align:center;padding:0 6px}.clock-app.immersive .round-mark{display:none}.clock-app.immersive .toolbar{height:36px;gap:0;flex-shrink:0}.clock-app.immersive .toggle-button{height:36px;min-width:52px;width:auto;max-width:104px;padding:0 11px;border-radius:18px;background:#384241;color:#dfdfd1;border:1px solid #697370;box-shadow:none;font-size:12px;font-weight:600;letter-spacing:0;line-height:1.2}.clock-app.immersive .player-content{padding:16px;gap:8px}.clock-app.immersive .player-name{font-size:18px}.clock-app.immersive .clock-board[data-layout="split"]{grid-template-columns:minmax(0,1fr) 84px minmax(0,1fr);grid-template-rows:minmax(0,1fr);gap:0}.clock-app.immersive .clock-board[data-layout="split"] [data-slot="0"]{grid-column:1;grid-row:1}.clock-app.immersive .clock-board[data-layout="split"] [data-slot="1"]{grid-column:3;grid-row:1}.clock-app.immersive .clock-board[data-layout="split"] .clock-controls{grid-column:2;grid-row:1;min-width:0;gap:12px}.clock-app.immersive .clock-board[data-layout="split"] .round-line{font-size:11px;line-height:1.5;overflow-wrap:break-word;word-wrap:break-word;max-width:84px}.clock-app.immersive .clock-board[data-layout="split"] .toggle-button{min-width:48px;max-width:56px;padding:0 4px;font-size:11px}
@media(orientation:landscape) and (max-height:520px){.clock-app.immersive .clock-board{display:grid;grid-template-columns:minmax(0,1fr) 84px minmax(0,1fr);grid-template-rows:minmax(0,1fr);gap:0}.clock-app.immersive .clock-board [data-slot="0"]{grid-column:1;grid-row:1}.clock-app.immersive .clock-board [data-slot="1"]{grid-column:3;grid-row:1}.clock-app.immersive .clock-board .clock-controls{grid-column:2;grid-row:1;min-width:0;gap:12px}.clock-app.immersive .clock-board .round-line{font-size:11px;line-height:1.5;overflow-wrap:break-word;word-wrap:break-word;max-width:84px}.clock-app.immersive .clock-board .toggle-button{min-width:48px;max-width:56px;padding:0 4px;font-size:11px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media(forced-colors:active){.language-picker{color:ButtonText;border-color:ButtonText}.language-picker:focus-within{outline-color:Highlight}.clock-board[data-status="ready"] .player-panel,.clock-board[data-status="paused"] .player-panel{border-style:dashed}.player-panel[data-active="true"]::after{border-width:4px}}