:root {
    color-scheme: dark;
    --ink: #f4efe3;
    --muted: #aeb8ae;
    --line: rgba(238, 232, 214, .14);
    --panel: #18201a;
    --accent: #d8c382;
    --green: #8fbf80;
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
html, body { min-height: 100%; margin: 0; background: #0e1410; }
body { color: var(--ink); }
button, input, textarea, select { font: inherit; }
button, label { -webkit-tap-highlight-color: transparent; }
button:focus-visible, input:focus-visible, textarea:focus-visible, a:focus-visible { outline: 3px solid #e5ca75; outline-offset: 3px; }
[hidden] { display: none !important; }

.setup-view {
    min-height: 100vh;
    min-height: 100dvh;
    padding: 0 max(18px, env(safe-area-inset-right)) 60px max(18px, env(safe-area-inset-left));
    background:
        radial-gradient(circle at 85% 8%, rgba(133, 172, 108, .16), transparent 30rem),
        linear-gradient(180deg, #111914 0, #0d120f 100%);
}

.setup-header {
    width: min(1060px, 100%);
    min-height: 68px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid var(--line);
}

.back-link { color: var(--ink); font-weight: 750; text-decoration: none; }
.back-link:hover { color: #f4d987; }
.public-badge { padding: 7px 11px; color: #cfe1c9; border: 1px solid rgba(143, 191, 128, .3); border-radius: 999px; background: rgba(143, 191, 128, .08); font-size: .76rem; font-weight: 700; }
.tool-tabs { width: min(1060px, 100%); margin: 18px auto 0; padding: 5px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 5px; border: 1px solid var(--line); border-radius: 14px; background: #0b100d; }
.tool-tab { min-height: 45px; padding: 9px 14px; display: grid; place-items: center; color: var(--muted); border: 0; border-radius: 9px; background: transparent; font-size: .82rem; font-weight: 800; text-align: center; text-decoration: none; cursor: pointer; }
.tool-tab:hover { color: var(--ink); background: rgba(255, 255, 255, .045); }
.tool-tab.is-active { color: #151910; background: #dfca87; }

.setup-intro {
    width: min(1060px, 100%);
    margin: 50px auto 30px;
}
.eyebrow { margin: 0 0 8px; color: #b9cdac; font-size: .75rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.setup-intro h1 { max-width: 780px; margin: 0; font: 800 clamp(2.6rem, 8vw, 5.8rem)/.96 Georgia, serif; letter-spacing: -.05em; }
.setup-intro > p:last-child { max-width: 620px; margin: 18px 0 0; color: var(--muted); font-size: clamp(1rem, 2vw, 1.2rem); line-height: 1.55; }
#clock-tool .setup-intro { margin: 36px auto 24px; }
#clock-tool .setup-intro h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
.quick-launch-panel { width: min(1060px, 100%); margin: -6px auto 16px; padding: 14px; display: grid; grid-template-columns: minmax(210px, 1fr) minmax(300px, 1.15fr) auto; align-items: center; gap: 14px; border: 1px solid rgba(224,201,120,.28); border-radius: 18px; background: linear-gradient(135deg, rgba(224,201,120,.1), rgba(143,191,128,.055)); box-shadow: 0 14px 36px rgba(0,0,0,.16); }
.quick-launch-copy { display: grid; gap: 3px; }
.quick-launch-copy > span { color: #b7cba8; font-size: .61rem; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
.quick-launch-copy strong { font-size: .9rem; }
.quick-launch-copy small { color: var(--muted); font-size: .65rem; }
.quick-start-button { min-height: 62px; padding: 10px 16px; display: flex; align-items: center; gap: 13px; color: #151910; border: 0; border-radius: 13px; background: #e0ca83; cursor: pointer; box-shadow: 0 9px 24px rgba(0,0,0,.2); }
.quick-start-button > span:first-child { width: 34px; height: 34px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 50%; background: rgba(17,23,19,.12); font-size: .84rem; }
.quick-start-button > span:last-child { min-width: 0; display: grid; gap: 3px; text-align: left; }
.quick-start-button small { font-size: .61rem; font-weight: 800; }
.quick-start-button strong { overflow: hidden; font: 800 1rem/1.15 Georgia, serif; white-space: nowrap; text-overflow: ellipsis; }
.quick-start-button:hover { background: #ecd78f; transform: translateY(-1px); }
.quick-tune-link { color: #c9d3c6; font-size: .7rem; font-weight: 800; text-decoration: none; white-space: nowrap; }
.quick-tune-link:hover { color: #ecd78f; }

.clock-settings { width: min(1060px, 100%); margin: 0 auto; display: grid; gap: 16px; }
.settings-section { padding: clamp(20px, 4vw, 34px); border: 1px solid var(--line); border-radius: 22px; background: rgba(24, 32, 26, .84); box-shadow: 0 18px 45px rgba(0, 0, 0, .16); }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 22px; }
.section-heading > div { display: flex; align-items: center; gap: 12px; }
.section-heading h2 { margin: 0; font-size: clamp(1.15rem, 3vw, 1.55rem); }
.step { width: 30px; height: 30px; margin: 0; display: grid; place-items: center; flex: 0 0 auto; color: #111713; border-radius: 50%; background: var(--accent); font-weight: 900; }
.control-preview { color: #eadcae; font: 800 clamp(1.4rem, 4vw, 2rem)/1 Georgia, serif; }

.preset-groups { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.preset-group h3 { margin: 0 0 9px; color: var(--muted); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; }
.preset-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.preset {
    min-height: 74px;
    padding: 10px 8px;
    display: grid;
    place-content: center;
    gap: 4px;
    color: var(--ink);
    border: 1px solid var(--line);
    border-radius: 12px;
    background: #111813;
    cursor: pointer;
    transition: border-color .15s ease, background .15s ease, transform .15s ease;
}
.preset strong { font: 800 1.25rem/1 Georgia, serif; }
.preset span { color: var(--muted); font-size: .67rem; }
.preset:hover { transform: translateY(-1px); border-color: rgba(229, 202, 117, .5); }
.preset.is-selected { color: #151910; border-color: #e1ca82; background: #e1ca82; }
.preset.is-selected span { color: rgba(21, 25, 16, .7); }
.preset-group--tournament { grid-column: 1 / -1; }
.tournament-preset-grid { grid-template-columns: repeat(auto-fit, minmax(155px, 1fr)); }
.tournament-preset-grid .preset { min-height: 86px; }
.tournament-preset-grid .preset strong { font-size: clamp(.9rem, 2vw, 1.12rem); }
.favorite-controls { margin-top: 18px; padding-top: 15px; border-top: 1px solid var(--line); }
.favorite-controls > header { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.favorite-controls > header > div { display: grid; gap: 3px; }
.favorite-controls > header strong { font-size: .82rem; }
.favorite-controls > header small { color: var(--muted); font-size: .63rem; }
.favorite-control-toggle { min-height: 38px; padding: 7px 11px; color: #dce5da; border: 1px solid rgba(224,201,120,.3); border-radius: 9px; background: #111813; font-size: .68rem; font-weight: 800; cursor: pointer; }
.favorite-control-toggle span { color: #e3ca75; font-size: .9rem; }
.favorite-control-toggle[aria-pressed="true"] { color: #171a13; border-color: #e0c978; background: #e0c978; }
.favorite-control-toggle[aria-pressed="true"] span { color: #171a13; }
.favorite-control-list { min-height: 42px; margin-top: 11px; display: flex; flex-wrap: wrap; gap: 7px; }
.favorite-control-item { display: inline-grid; grid-template-columns: auto 32px; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: #0e1510; }
.favorite-control-launch { min-height: 42px; padding: 7px 11px; display: grid; align-content: center; gap: 2px; color: #e8ecdf; border: 0; background: transparent; text-align: left; cursor: pointer; }
.favorite-control-launch strong { font: 800 .82rem/1 Georgia, serif; }
.favorite-control-launch small { color: #89968c; font-size: .55rem; }
.favorite-control-launch:hover { background: rgba(224,201,120,.09); }
.favorite-control-remove { color: #9da99f; border: 0; border-left: 1px solid var(--line); background: transparent; font-size: .9rem; cursor: pointer; }
.favorite-control-remove:hover { color: #f0a493; background: rgba(184,83,70,.1); }
.favorite-control-empty { align-self: center; color: #78857b; font-size: .66rem; }

fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
fieldset legend { width: 100%; margin-bottom: 10px; color: var(--muted); font-size: .78rem; font-weight: 700; }
.mode-picker { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; }
.mode-picker label { position: relative; cursor: pointer; }
.mode-picker input { position: absolute; opacity: 0; pointer-events: none; }
.mode-picker span { min-height: 78px; padding: 15px; display: grid; align-content: center; gap: 5px; border: 1px solid var(--line); border-radius: 12px; background: #111813; }
.mode-picker strong { font-size: .9rem; }
.mode-picker small { color: var(--muted); font-size: .7rem; line-height: 1.35; }
.mode-picker input:checked + span { border-color: #d9c47f; background: rgba(217, 196, 127, .12); box-shadow: inset 0 0 0 1px #d9c47f; }
.mode-picker input:focus-visible + span { outline: 3px solid #e5ca75; outline-offset: 3px; }

.number-settings { margin-top: 16px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.number-field { display: grid; gap: 8px; color: var(--muted); font-size: .78rem; font-weight: 700; }
.number-field input, .number-field select { width: 100%; min-height: 54px; padding: 10px 14px; color: var(--ink); border: 1px solid var(--line); border-radius: 11px; background: #0f1511; font-size: 1.15rem; font-weight: 800; }
.number-field input:disabled { opacity: .45; }
.mode-note { min-height: 20px; margin: 12px 0 0; color: #b7c5b3; font-size: .78rem; }
.stage-builder { margin-top: 17px; }
.stage-builder-heading { margin-bottom: 10px; display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.stage-builder-heading > div { display: grid; gap: 3px; }
.stage-builder-heading strong { font-size: .83rem; }
.stage-builder-heading small { color: var(--muted); font-size: .67rem; }
.stage-list { display: grid; gap: 8px; }
.stage-row { padding: 11px; display: grid; grid-template-columns: 34px repeat(3, minmax(0, 1fr)) auto; align-items: end; gap: 9px; border: 1px solid var(--line); border-radius: 12px; background: #101612; }
.stage-number { width: 32px; height: 32px; align-self: center; display: grid; place-items: center; color: #151910; border-radius: 8px; background: #d9c680; font-size: .75rem; }
.stage-row .number-field input { min-height: 48px; font-size: 1rem; }
.remove-stage { width: 42px; min-height: 48px; padding: 5px; color: #e7aaa3; border-color: rgba(231, 170, 163, .25); font-size: 1.15rem; }

.table-settings { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.compact-picker { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.compact-picker legend { grid-column: 1 / -1; }
.compact-picker label { position: relative; cursor: pointer; }
.compact-picker input { position: absolute; opacity: 0; pointer-events: none; }
.compact-picker span { min-height: 46px; display: grid; place-items: center; border: 1px solid var(--line); background: #111813; font-size: .8rem; font-weight: 750; }
.compact-picker label:first-of-type span { border-radius: 10px 0 0 10px; }
.compact-picker label:last-of-type span { margin-left: -1px; border-radius: 0 10px 10px 0; }
.compact-picker input:checked + span { position: relative; z-index: 1; color: #171a13; border-color: #dfcb89; background: #dfcb89; }
.compact-picker input:focus-visible + span { outline: 3px solid #e5ca75; outline-offset: 3px; }

.switches { margin-top: 20px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.switch-row { min-height: 64px; padding: 11px 13px; display: flex; align-items: center; justify-content: space-between; gap: 14px; border: 1px solid var(--line); border-radius: 11px; background: #111813; cursor: pointer; }
.switch-row > span { display: grid; gap: 3px; }
.switch-row strong { font-size: .8rem; }
.switch-row small { color: var(--muted); font-size: .68rem; }
.switch-row input { width: 42px; height: 24px; flex: 0 0 auto; accent-color: #9cc78d; }
.feedback-settings { margin-top: 20px; padding: 15px; border: 1px solid rgba(217,196,127,.22); border-radius: 14px; background: rgba(217,196,127,.045); }
.feedback-settings > header > div { display: grid; gap: 4px; }
.feedback-settings > header strong { color: #e7eadf; font-size: .88rem; }
.feedback-settings > header small { color: var(--muted); font-size: .68rem; line-height: 1.4; }
.silent-mode-row { margin-top: 12px; border-color: rgba(224,201,120,.34); background: rgba(224,201,120,.09); }
#feedback-controls { margin-top: 10px; transition: opacity .16s ease; }
#feedback-controls.is-disabled { opacity: .43; }
.feedback-switches { margin-top: 0; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.feedback-tuning { margin-top: 10px; display: grid; grid-template-columns: minmax(180px, 1fr) minmax(190px, 1fr) minmax(180px, .8fr); align-items: end; gap: 10px; }
.feedback-tuning .number-field select { min-height: 48px; font-size: .84rem; }
.volume-field, .sound-preview-actions { min-height: 72px; padding: 10px 12px; display: grid; align-content: center; gap: 10px; color: var(--muted); border: 1px solid var(--line); border-radius: 11px; background: #111813; font-size: .72rem; font-weight: 750; }
.volume-field > span { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.volume-field output { color: #ead38a; font-variant-numeric: tabular-nums; }
.volume-field input { width: 100%; accent-color: #d9c47f; cursor: pointer; }
.sound-preview-actions > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
.sound-preview-actions .secondary-button { min-height: 38px; padding: 7px 10px; }
.secondary-button:disabled { opacity: .42; cursor: not-allowed; }
.warning-signals { margin-top: 10px; padding: 10px 12px; display: flex; align-items: center; flex-wrap: wrap; gap: 7px; border: 1px solid rgba(143,191,128,.18); border-radius: 11px; background: rgba(143,191,128,.045); }
.warning-signals > span { min-width: 58px; padding: 6px 9px; color: #b9c8b5; border-radius: 8px; background: #0e1510; font-size: .66rem; text-align: center; }
.warning-signals strong { color: #e7d48f; font-size: .8rem; }
.warning-signals small { margin-left: auto; color: #8f9c91; font-size: .62rem; }
.tap-guard-row { margin-top: 12px; }
.arbiter-access-settings { margin-top: 12px; padding: 14px; display: grid; grid-template-columns: minmax(160px, 1fr) minmax(230px, 1.1fr) minmax(150px, .7fr); align-items: end; gap: 12px; border: 1px solid rgba(215,194,125,.24); border-radius: 13px; background: rgba(215,194,125,.045); }
.arbiter-access-settings > div { align-self: center; display: grid; gap: 4px; }
.arbiter-access-settings > div strong { color: #e4e9df; font-size: .8rem; }
.arbiter-access-settings > div small { color: var(--muted); font-size: .66rem; }
.arbiter-protection-picker legend { font-size: .68rem; }
.arbiter-pin-setting input { min-height: 46px; font-size: 1rem; letter-spacing: .14em; }
.handicap-toggle { margin-top: 20px; }
.asymmetric-settings { margin-top: 10px; padding: 12px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; border: 1px solid rgba(217, 196, 127, .22); border-radius: 12px; background: rgba(217, 196, 127, .055); }

.variant-picker { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.variant-picker label { position: relative; cursor: pointer; }
.variant-picker input { position: absolute; opacity: 0; pointer-events: none; }
.variant-picker span { min-height: 66px; padding: 13px 15px; display: grid; align-content: center; gap: 4px; border: 1px solid var(--line); border-radius: 12px; background: #111813; }
.variant-picker strong { font-size: .88rem; }
.variant-picker small { color: var(--muted); font-size: .69rem; }
.variant-picker input:checked + span { border-color: #d9c47f; background: rgba(217, 196, 127, .12); box-shadow: inset 0 0 0 1px #d9c47f; }
.variant-picker input:focus-visible + span { outline: 3px solid #e5ca75; outline-offset: 3px; }
.chess960-settings { margin-top: 18px; display: grid; gap: 14px; }
.position-controls { display: grid; grid-template-columns: minmax(140px, 1fr) auto minmax(110px, auto) auto; align-items: end; gap: 8px; }
.position-number-field input { min-height: 48px; }
.secondary-button { min-height: 43px; padding: 9px 13px; color: var(--ink); border: 1px solid var(--line); border-radius: 10px; background: #111813; font-size: .76rem; font-weight: 800; cursor: pointer; }
.secondary-button:hover { border-color: rgba(229, 202, 117, .55); }
.position-controls .secondary-button { min-height: 48px; }
.chess960-preview-card { padding: clamp(14px, 2.4vw, 22px); border: 1px solid var(--line); border-radius: 16px; background: #0f1511; }
.position-heading { margin-bottom: 12px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.position-heading > div { display: grid; gap: 3px; }
.position-heading span { color: var(--muted); font-size: .68rem; }
.position-heading strong { font-size: .9rem; }
.position-heading small { color: #b8c5b4; font: 700 .65rem/1.3 ui-monospace, monospace; letter-spacing: .04em; }
.fen-copy { padding: 7px 10px; color: #d9e2d7; border: 1px solid var(--line); border-radius: 8px; background: transparent; font-size: .67rem; cursor: pointer; }
.favorite-position { min-height: 40px; padding: 8px 12px; color: #d9e2d7; border: 1px solid var(--line); border-radius: 10px; background: #141b16; font-size: .69rem; font-weight: 800; cursor: pointer; }
.favorite-position span { color: #e2ca78; font-size: 1rem; }
.favorite-position[aria-pressed="true"] { color: #151910; border-color: #e2ca78; background: #e2ca78; }
.favorite-position[aria-pressed="true"] span { color: #151910; }
.chess960-main-grid { display: grid; grid-template-columns: minmax(420px, 1.45fr) minmax(270px, .65fr); align-items: start; gap: clamp(14px, 2.5vw, 24px); }
.position-board-column { min-width: 0; }
.position-board { width: min(100%, 680px); margin: 0 auto; display: grid; grid-template-columns: repeat(8, 1fr); overflow: hidden; border: clamp(4px, .7vw, 7px) solid #5c4932; border-radius: 10px; aspect-ratio: 1; background: #c7a978; box-shadow: 0 18px 38px rgba(0,0,0,.25); }
.position-square { position: relative; display: grid; place-items: center; color: #10140f; background: #e5d4ac; font: 400 clamp(1.45rem, 5.5vw, 4.15rem)/1 Georgia, serif; text-shadow: 0 1px 0 rgba(255,255,255,.35); }
.position-square.is-dark { background: #82956c; }
.position-square.is-black-piece { color: #101510; text-shadow: 0 1px 0 rgba(255,255,255,.2), 0 0 1px #fff; }
.position-square.is-white-piece { color: #fff9e9; text-shadow: 0 1px 1px #1d251e, 0 0 2px #152016; }
.position-square .square-coordinate { position: absolute; z-index: 2; left: 4px; top: 3px; color: rgba(20,28,21,.7); font: 800 clamp(.42rem, .9vw, .65rem)/1 system-ui, sans-serif; text-shadow: none; }
.position-square.is-dark .square-coordinate { color: rgba(244,239,218,.74); }
.position-square::after { content: ""; position: absolute; inset: 7%; z-index: 1; border: 0 solid transparent; border-radius: 8px; pointer-events: none; }
.position-square.is-king-start::after { border: 3px solid #2e78c8; box-shadow: inset 0 0 0 2px rgba(255,255,255,.4); }
.position-square.is-rook-start::after { border: 3px solid #d48f2f; }
.position-square.is-king-target::after { background: radial-gradient(circle, rgba(47,126,210,.52) 0 22%, transparent 24%); }
.position-square.is-rook-target::after { box-shadow: inset 0 0 0 5px rgba(222,157,58,.36); }
.position-square.is-king-start.is-king-target::after { border-color: #2e78c8; background: radial-gradient(circle, rgba(47,126,210,.52) 0 22%, transparent 24%); }
.position-square.is-rook-start.is-rook-target::after { border-color: #d48f2f; box-shadow: inset 0 0 0 5px rgba(222,157,58,.36); }
.position-coordinate-note { width: min(100%, 680px); margin: 5px auto 0; padding: 0 6px; display: grid; grid-template-columns: repeat(8, 1fr); color: #77837a; text-align: center; font: 700 .58rem/1 ui-monospace, monospace; }
.position-notation { min-height: 1.3em; margin: 9px 0 0; color: #abb8aa; text-align: center; font: 700 .68rem/1.45 ui-monospace, monospace; }
.castling-legend { margin-top: 9px; display: flex; justify-content: center; flex-wrap: wrap; gap: 7px 13px; color: #859087; font-size: .58rem; }
.castling-legend span { display: inline-flex; align-items: center; gap: 5px; }
.castling-legend i { width: 12px; height: 12px; border-radius: 3px; }
.castling-legend .king-start { border: 2px solid #2e78c8; }
.castling-legend .rook-start { border: 2px solid #d48f2f; }
.castling-legend .king-target { background: #3f86d1; }
.castling-legend .rook-target { background: rgba(222,157,58,.7); }
.chess960-details { display: grid; gap: 12px; }
.castling-card, .position-share-card { padding: 14px; display: grid; gap: 11px; border: 1px solid var(--line); border-radius: 13px; background: #141b16; }
.castling-heading { display: grid; gap: 3px; }
.castling-heading span, .position-share-card > div:first-child span, .position-code-grid section > div span { color: #89958b; font-size: .59rem; letter-spacing: .05em; text-transform: uppercase; }
.castling-heading strong, .position-share-card > div:first-child strong { color: #e5eae2; font-size: .82rem; }
.castling-picker { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.castling-picker button { min-height: 39px; color: #b9c3b9; border: 1px solid var(--line); background: #0e1410; font-size: .66rem; font-weight: 800; cursor: pointer; }
.castling-picker button:first-child { border-radius: 9px 0 0 9px; }
.castling-picker button:last-child { margin-left: -1px; border-radius: 0 9px 9px 0; }
.castling-picker button.is-selected { position: relative; color: #151910; border-color: #dec77c; background: #dec77c; }
.castling-card p { margin: 0; color: #aeb9ae; font-size: .68rem; line-height: 1.5; }
.castling-destinations { display: grid; gap: 5px; color: #c7d1c5; font: 700 .64rem/1.35 ui-monospace, monospace; }
.position-share-card > div:first-child { display: grid; gap: 3px; }
.position-qr { width: min(190px, 82%); margin: 0 auto; padding: 8px; border-radius: 10px; background: white; aspect-ratio: 1; }
.position-qr svg { width: 100%; height: 100%; display: block; }
.position-link { overflow-wrap: anywhere; color: #8d998f; font: 600 .56rem/1.4 ui-monospace, monospace; }
.position-share-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.position-code-grid { margin-top: 14px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.position-code-grid section { min-width: 0; padding: 11px; border: 1px solid var(--line); border-radius: 11px; background: #111813; }
.position-code-grid section > div { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.position-code-grid .position-fen { white-space: pre-wrap; }
.position-fen { margin-top: 10px; display: block; overflow-wrap: anywhere; color: #849086; font: 600 .62rem/1.45 ui-monospace, monospace; }
.position-pgn { white-space: pre-wrap; }
.position-library { margin-top: 12px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.position-library section { min-width: 0; padding: 12px; border: 1px solid var(--line); border-radius: 11px; background: #111813; }
.position-library header { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.position-library header strong { font-size: .72rem; }
.position-library header small { color: #7f8b82; font-size: .56rem; }
.position-chip-list { min-height: 37px; margin-top: 9px; display: flex; flex-wrap: wrap; gap: 6px; }
.position-chip { min-height: 32px; padding: 6px 9px; color: #cbd5c9; border: 1px solid var(--line); border-radius: 999px; background: #0d130f; font: 750 .62rem/1 ui-monospace, monospace; cursor: pointer; }
.position-chip:hover { border-color: #cdb873; }
.position-chip-empty { align-self: center; color: #748077; font-size: .61rem; }

/* Swiss tournament manager */
.tournament-page .setup-view {
    background:
        radial-gradient(circle at 10% 8%, rgba(216, 195, 130, .12), transparent 28rem),
        radial-gradient(circle at 92% 30%, rgba(118, 173, 105, .14), transparent 30rem),
        linear-gradient(180deg, #111914 0, #0b110d 100%);
}
.tournament-page-tool { padding: 0 0 60px; }
.tournament-intro { position: relative; margin: 34px 0 18px; padding: clamp(24px, 4vw, 40px); overflow: hidden; border: 1px solid rgba(216, 195, 130, .26); border-radius: 22px; background: linear-gradient(135deg, rgba(216, 195, 130, .085), rgba(143, 191, 128, .045)); }
.tournament-intro::after { content: "♟"; position: absolute; right: clamp(18px, 5vw, 55px); bottom: -34px; color: rgba(225, 211, 164, .07); font: 400 clamp(8rem, 20vw, 15rem)/1 Georgia, serif; pointer-events: none; }
.tournament-intro h1 { position: relative; z-index: 1; max-width: 720px; font-size: clamp(2.55rem, 7vw, 5.35rem); }
.tournament-intro > p:nth-of-type(2) { position: relative; z-index: 1; max-width: 680px; margin: 17px 0 0; color: var(--muted); font-size: clamp(.94rem, 1.8vw, 1.12rem); line-height: 1.55; }
.tournament-feature-list { position: relative; z-index: 1; margin-top: 20px; display: flex; flex-wrap: wrap; gap: 7px; }
.tournament-feature-list span { padding: 7px 10px; color: #dbe5d6; border: 1px solid rgba(143, 191, 128, .25); border-radius: 999px; background: rgba(143, 191, 128, .065); font-size: .67rem; font-weight: 750; }
.swiss-tool { width: min(1060px, 100%); margin: 0 auto; }
.swiss-intro { width: 100%; }
.swiss-setup { width: 100%; }
.swiss-form-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(150px, .3fr); gap: 10px; }
.text-field { display: grid; gap: 8px; color: var(--muted); font-size: .78rem; font-weight: 700; }
.text-field input, .text-field textarea { width: 100%; padding: 13px 14px; color: var(--ink); border: 1px solid var(--line); border-radius: 11px; background: #0f1511; resize: vertical; }
.text-field input { min-height: 54px; }
.participant-field { margin-top: 14px; }
.participant-field textarea { min-height: 190px; line-height: 1.5; }
.swiss-setup-footer { margin-top: 14px; display: grid; grid-template-columns: auto minmax(260px, .55fr); align-items: center; justify-content: space-between; gap: 16px; }
.swiss-setup-footer p { color: var(--muted); font-size: .78rem; }
.swiss-create { min-height: 62px; }
.form-error { min-height: 18px; margin: 10px 0 0; color: #f19a91; font-size: .76rem; }
.swiss-workspace { display: grid; gap: 16px; }
.tournament-header { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.tournament-header h2 { margin: 3px 0 6px; font: 800 clamp(1.55rem, 4vw, 2.25rem)/1 Georgia, serif; }
.tournament-header p:last-child { margin: 0; color: var(--muted); font-size: .78rem; }
.swiss-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); align-items: start; gap: 16px; }
.round-heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.round-heading > div { display: flex; align-items: center; gap: 12px; }
.round-heading h2 { margin: 0; }
.round-heading > span { color: var(--muted); font-size: .7rem; }
.pairing-list { display: grid; gap: 9px; }
.pairing-card { padding: 11px; display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 8px 11px; border: 1px solid var(--line); border-radius: 12px; background: #111813; }
.board-number { grid-row: 1 / 3; width: 32px; height: 32px; display: grid; place-items: center; color: #151910; border-radius: 8px; background: #d9c680; font-size: .72rem; font-weight: 900; }
.pairing-players { display: grid; gap: 5px; }
.pairing-player { min-width: 0; display: flex; align-items: center; gap: 7px; font-size: .8rem; font-weight: 800; }
.pairing-player i { width: 10px; height: 10px; flex: 0 0 auto; border: 1px solid #d5dece; border-radius: 50%; }
.pairing-player--white i { background: #f5ecd6; }
.pairing-player--black i { background: #202921; }
.result-picker { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 5px; }
.result-button { min-height: 34px; padding: 5px; color: #c8d1c6; border: 1px solid var(--line); border-radius: 7px; background: #0d130f; font-size: .68rem; font-weight: 800; cursor: pointer; }
.result-button.is-selected { color: #111510; border-color: #dfca87; background: #dfca87; }
.bye-label { color: #b8c5b3; font-size: .72rem; }
.next-round { min-height: 62px; margin-top: 13px; }
.next-round:disabled { opacity: .42; cursor: not-allowed; transform: none; }
.standings-scroll { overflow-x: auto; }
.standings-table { width: 100%; border-collapse: collapse; font-size: .76rem; }
.standings-table th, .standings-table td { padding: 10px 7px; border-bottom: 1px solid var(--line); text-align: left; }
.standings-table th { color: var(--muted); font-size: .62rem; letter-spacing: .05em; text-transform: uppercase; }
.standings-table th:nth-child(n+3), .standings-table td:nth-child(n+3) { text-align: right; }
.standings-table td:nth-child(2) { min-width: 130px; font-weight: 800; }
.tournament-note { margin: 0; color: #b5c4b1; text-align: center; font-size: .76rem; }

.start-button { width: 100%; min-height: 76px; padding: 16px clamp(18px, 4vw, 32px); display: flex; align-items: center; justify-content: space-between; gap: 18px; color: #111510; border: 0; border-radius: 17px; background: #e0ca83; box-shadow: 0 15px 35px rgba(0, 0, 0, .2); cursor: pointer; }
.start-button span { font-size: 1rem; font-weight: 900; }
.start-button strong { font: 800 1.25rem/1 Georgia, serif; }
.start-button:hover { background: #ecd78f; transform: translateY(-1px); }
.setup-tip { margin: -4px 0 0; color: #7f8c82; text-align: center; font-size: .72rem; }

/* Synchronized clocks on two phones */
.clock-launch-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.clock-launch-options .start-button { min-width: 0; height: 100%; flex-direction: column; align-items: flex-start; justify-content: center; gap: 7px; text-align: left; }
.clock-launch-options .start-button strong { max-width: 100%; line-height: 1.15; }
.start-button--online { color: #e8eddf; border: 1px solid rgba(224,201,120,.5); background: linear-gradient(135deg, #1e2d22, #172019); box-shadow: inset 0 0 0 1px rgba(255,255,255,.03), 0 15px 35px rgba(0,0,0,.2); }
.start-button--online:hover { background: linear-gradient(135deg, #283a2d, #1a251d); }
.start-button--online span { color: #d8c77f; }
.sync-join-card { margin-top: -8px; padding: 12px 14px; display: grid; grid-template-columns: minmax(180px, 1fr) minmax(130px, .35fr) auto; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: 13px; background: #101612; }
.sync-join-card > div { display: grid; gap: 3px; }
.sync-join-card strong { font-size: .76rem; }
.sync-join-card small { color: var(--muted); font-size: .62rem; }
.sync-join-card input { width: 100%; min-height: 44px; padding: 9px 12px; color: #f1e9ce; border: 1px solid rgba(224,201,120,.28); border-radius: 9px; outline: 0; background: #0a100c; font: 900 1.05rem/1 ui-monospace, monospace; letter-spacing: .16em; text-transform: uppercase; }
.sync-join-card input:focus { border-color: #dfc975; box-shadow: 0 0 0 3px rgba(223,201,117,.12); }
.sync-join-card .secondary-button { min-height: 44px; }
.sync-join-card > p { grid-column: 2 / -1; min-height: 0; margin: -5px 0 0; color: #ef9d8d; font-size: .62rem; }
.clock-portability { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr); gap: 12px; }
.clock-settings-share, .clock-install-card { min-width: 0; padding: 15px; border: 1px solid var(--line); border-radius: 15px; background: #101612; }
.clock-settings-share > header > div, .clock-install-card > div:nth-child(2) { display: grid; gap: 4px; }
.clock-settings-share > header span, .clock-install-card > div:nth-child(2) > span { color: #9dc58f; font-size: .59rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.clock-settings-share > header strong, .clock-install-card > div:nth-child(2) > strong { font-size: .84rem; }
.clock-settings-share-body { margin-top: 12px; display: grid; grid-template-columns: 132px minmax(0, 1fr); align-items: center; gap: 13px; }
.clock-settings-qr { width: 132px; height: 132px; padding: 7px; border-radius: 10px; background: white; }
.clock-settings-qr svg { width: 100%; height: 100%; display: block; }
.clock-settings-link-panel { min-width: 0; display: grid; gap: 9px; }
.clock-settings-link-panel p { margin: 0; color: #a4b0a6; font-size: .65rem; line-height: 1.45; }
.clock-settings-link { max-height: 3.2em; overflow: hidden; overflow-wrap: anywhere; color: #849087; font: 600 .56rem/1.45 ui-monospace, monospace; }
.clock-settings-link-panel > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
.clock-settings-link-panel .secondary-button { min-height: 38px; padding: 7px 9px; font-size: .65rem; }
.clock-install-card { display: grid; grid-template-columns: 60px minmax(0, 1fr); align-content: center; align-items: center; gap: 11px 13px; border-color: rgba(143,191,128,.22); background: linear-gradient(145deg, #121b15, #0e1510); }
.clock-app-icon { position: relative; width: 58px; height: 58px; display: grid; place-items: center; overflow: hidden; color: #e5d083; border-radius: 15px; background: #1b2b20; box-shadow: inset 0 0 0 1px rgba(224,201,120,.25); }
.clock-app-icon span { position: relative; z-index: 1; font: 700 2rem/1 Georgia, serif; }
.clock-app-icon i { position: absolute; width: 35px; height: 35px; border: 3px solid rgba(143,191,128,.48); border-radius: 50%; }
.clock-install-card p { margin: 2px 0 0; color: #9eaaa0; font-size: .64rem; line-height: 1.4; }
.install-clock-button { grid-column: 1 / -1; min-height: 43px; color: #141913; border: 0; border-radius: 10px; background: #9fc891; font-size: .75rem; font-weight: 850; cursor: pointer; }
.install-clock-button:hover { background: #b1d5a5; }
.install-clock-button:disabled { opacity: .58; cursor: default; }
.clock-install-card > small { grid-column: 1 / -1; color: #819085; font-size: .59rem; line-height: 1.4; }

.sync-lobby { position: fixed; z-index: 120; inset: 0; padding: max(12px, env(safe-area-inset-top)) 12px max(12px, env(safe-area-inset-bottom)); overflow: auto; color: var(--ink); background: rgba(4,7,5,.9); }
.sync-lobby-card { width: min(820px, 100%); margin: 0 auto; padding: clamp(17px, 3.5vw, 30px); display: grid; gap: 18px; border: 1px solid rgba(224,201,120,.35); border-radius: 20px; background: #111713; box-shadow: 0 24px 80px rgba(0,0,0,.58); }
.sync-lobby-card > header { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.sync-lobby-card > header > div { display: grid; gap: 4px; }
.sync-lobby-card > header span { color: #dbc878; font-size: .64rem; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.sync-lobby-card h2 { margin: 0; font: 800 clamp(1.4rem, 4vw, 2.1rem)/1.05 Georgia, serif; }
#sync-cancel { width: 44px; height: 44px; flex: 0 0 auto; color: #dce5da; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; background: #1a221c; font-size: 1.5rem; cursor: pointer; }
.sync-room-status { padding: 14px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 4px 12px; border: 1px solid var(--line); border-radius: 13px; background: #0d130f; }
.sync-room-status span { color: #b7c2b7; font-size: .7rem; font-weight: 750; }
.sync-room-status strong { grid-row: 1 / 3; grid-column: 2; color: #f0d985; font: 900 clamp(1.55rem, 5vw, 2.3rem)/1 ui-monospace, monospace; letter-spacing: .11em; }
.sync-room-status small { color: #849087; font-size: .65rem; }
.sync-share { display: grid; grid-template-columns: minmax(210px, .65fr) minmax(260px, 1.35fr); align-items: center; gap: clamp(16px, 4vw, 32px); }
.sync-qr { width: min(250px, 100%); margin: 0 auto; padding: 10px; border-radius: 14px; background: white; aspect-ratio: 1; }
.sync-qr svg { width: 100%; height: 100%; display: block; }
.sync-share-copy { display: grid; gap: 10px; }
.sync-share-copy > strong { font: 800 1.15rem/1 Georgia, serif; }
.sync-share-copy p { margin: 0; color: #a8b4a9; font-size: .74rem; line-height: 1.55; }
.sync-share-copy output { padding: 10px 12px; overflow-wrap: anywhere; color: #aeb9ae; border: 1px solid var(--line); border-radius: 9px; background: #0b100d; font: 650 .63rem/1.45 ui-monospace, monospace; }
.sync-share-copy > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.sync-player-presence { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }
.sync-player-presence span { min-height: 48px; padding: 10px 13px; display: flex; align-items: center; gap: 9px; color: #9aa69d; border: 1px solid var(--line); border-radius: 11px; background: #111813; font-size: .7rem; font-weight: 800; }
.sync-player-presence i { width: 10px; height: 10px; flex: 0 0 auto; border-radius: 50%; background: #6f7971; box-shadow: 0 0 0 3px rgba(111,121,113,.13); }
.sync-player-presence span.is-connected { color: #c9e4c2; border-color: rgba(121,179,104,.38); }
.sync-player-presence span.is-connected i { background: #7fc16d; box-shadow: 0 0 0 3px rgba(127,193,109,.16); }
.sync-start { min-height: 66px; }
.sync-start:disabled { opacity: .48; cursor: wait; transform: none; }
.sync-accuracy-note { margin: -5px 0 0; color: #7f8b82; text-align: center; font-size: .65rem; line-height: 1.45; }
.clock-health #sync-game-status.is-warning { color: #ffd287; }

/* Full-height over-the-board clock */
.game-view { position: fixed; inset: 0; z-index: 50; height: 100vh; height: 100dvh; display: grid; grid-template-rows: minmax(0, 1fr) auto minmax(0, 1fr); overflow: hidden; background: #0b0f0c; user-select: none; }
.player-clock { position: relative; min-width: 0; min-height: 0; width: 100%; padding: max(14px, env(safe-area-inset-left)) max(14px, env(safe-area-inset-right)); border: 0; overflow: hidden; cursor: pointer; touch-action: manipulation; transition: filter .12s ease, box-shadow .12s ease; }
.player-clock[data-color="white"] { color: #151a15; background: #e8dfcb; }
.player-clock[data-color="black"] { color: #f1ead9; background: #243128; }
.player-clock:not(.is-active):not(.is-timeout) { filter: saturate(.72) brightness(.82); }
.player-clock.is-active { z-index: 1; box-shadow: inset 0 0 0 clamp(5px, 1.3vmin, 12px) #9bc783; }
.player-clock.is-pressed { filter: brightness(1.12); }
.player-clock.is-rejected { animation: rejectedTap .24s ease-out; }
.player-clock.is-low .time-display { color: #d13b35; }
.player-clock.is-timeout { color: white; background: #a82e2b; animation: timeoutPulse .85s ease-in-out 3; }
.player-clock.is-winner { color: #10200e; background: #9bc783; }
.player-clock.is-loser { filter: saturate(.55) brightness(.68); }
.clock-face { height: 100%; display: grid; grid-template-rows: auto 1fr auto; align-items: center; justify-items: center; gap: 4px; }
.player-clock--top .clock-face { transform: rotate(180deg); }
.is-remote-clock .player-clock--top .clock-face { transform: none; }
.player-label { display: inline-flex; align-items: center; gap: 8px; font-size: clamp(.75rem, 2.4vmin, 1.05rem); letter-spacing: .08em; text-transform: uppercase; }
.player-label i { width: .72em; height: .72em; border: 2px solid currentColor; border-radius: 50%; background: currentColor; }
.time-display { align-self: center; font: 800 clamp(4.2rem, 20vmin, 11rem)/.9 "Arial Narrow", "Roboto Condensed", sans-serif; font-variant-numeric: tabular-nums; letter-spacing: -.055em; white-space: nowrap; }
.player-meta { width: min(520px, 88%); display: flex; justify-content: space-between; gap: 12px; font-size: clamp(.68rem, 2vmin, .9rem); font-weight: 750; opacity: .68; }

.clock-controls { position: relative; z-index: 5; min-height: 72px; padding: 7px max(8px, env(safe-area-inset-right)) 7px max(8px, env(safe-area-inset-left)); display: grid; grid-template-columns: auto auto minmax(145px, auto) auto minmax(92px, 1fr) auto; align-items: center; gap: 6px; border-top: 1px solid rgba(255,255,255,.1); border-bottom: 1px solid rgba(255,255,255,.1); background: #0b0f0c; }
.control-button, .main-control { min-height: 48px; color: #dce4da; border: 1px solid rgba(255,255,255,.13); border-radius: 10px; background: #171e18; cursor: pointer; touch-action: manipulation; }
.control-button { min-width: 62px; padding: 5px 8px; display: grid; place-content: center; gap: 2px; }
.control-button:disabled { opacity: .38; cursor: not-allowed; filter: saturate(.3); }
.control-button span { font-size: 1.1rem; }
.control-button small { font-size: .58rem; }
.main-control { min-width: 145px; min-height: 58px; padding: 7px 18px; display: flex; align-items: center; justify-content: center; gap: 10px; color: #121710; border-color: #e0c978; background: #e0c978; box-shadow: 0 4px 16px rgba(224,201,120,.18); font-size: .94rem; }
.main-control span { font-size: 1.18rem; }
.game-status { min-width: 0; padding: 0 5px; display: grid; justify-items: center; gap: 1px; text-align: center; }
.game-status strong, .game-status small { max-width: 100%; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.game-status strong { font: 800 .85rem/1 Georgia, serif; }
.game-status small { color: #8f9c91; font-size: .58rem; }
.clock-health { max-width: 100%; display: flex; justify-content: center; flex-wrap: wrap; gap: 3px; }
.clock-health i { max-width: 100%; padding: 2px 5px; overflow: hidden; color: #94a198; border-radius: 999px; background: rgba(255,255,255,.055); font: 700 .48rem/1.15 system-ui, sans-serif; font-style: normal; white-space: nowrap; text-overflow: ellipsis; }
.clock-health i.is-ok { color: #a9d79b; background: rgba(120,178,104,.13); }
.clock-health i.is-warning { color: #ffd287; background: rgba(209,139,50,.16); }
.clock-notice { position: absolute; z-index: 20; left: 50%; top: 50%; width: min(520px, calc(100% - 28px)); padding: 11px 15px; color: #e5ece4; border: 1px solid rgba(255,255,255,.16); border-radius: 12px; background: rgba(18,27,20,.96); box-shadow: 0 14px 42px rgba(0,0,0,.35); transform: translate(-50%, -50%); text-align: center; font-size: clamp(.72rem, 2.4vmin, .88rem); font-weight: 750; pointer-events: none; }
.clock-notice[data-kind="warning"] { color: #ffdfa2; border-color: rgba(224,169,79,.55); background: rgba(54,40,20,.97); }
.clock-notice[data-kind="success"] { color: #c8e9bf; border-color: rgba(142,193,126,.5); }

.arbiter-open, .analysis-open { position: relative; overflow: hidden; border-color: rgba(224,201,120,.38); }
.analysis-open { color: #cbe6c3; border-color: rgba(132,185,116,.42); }
.arbiter-open.is-holding::after { content: ""; position: absolute; inset: auto 0 0; height: 4px; background: #e0c978; transform-origin: left; animation: arbiterHold .85s linear forwards; }
.arbiter-panel { position: fixed; z-index: 80; inset: 0; padding: max(12px, env(safe-area-inset-top)) 12px max(12px, env(safe-area-inset-bottom)); overflow: auto; color: #e6ece4; background: rgba(5,8,6,.88); user-select: text; }
.arbiter-card { width: min(820px, 100%); min-height: min(680px, calc(100dvh - 24px)); margin: 0 auto; padding: clamp(16px, 3vw, 28px); display: grid; align-content: start; gap: 18px; border: 1px solid rgba(224,201,120,.3); border-radius: 18px; background: #111713; box-shadow: 0 22px 70px rgba(0,0,0,.55); }
.arbiter-header { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.arbiter-header > div { display: grid; gap: 3px; }
.arbiter-header span { color: #d9c77f; font-size: .65rem; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
.arbiter-header h2 { margin: 0; font: 800 clamp(1.35rem, 4vw, 2rem)/1 Georgia, serif; }
.arbiter-close { width: 44px; height: 44px; color: #dce5da; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; background: #1a221c; font-size: 1.55rem; cursor: pointer; }
.arbiter-pin-gate { width: min(390px, 100%); margin: clamp(30px, 10vh, 90px) auto 0; display: grid; gap: 14px; text-align: center; }
.arbiter-pin-gate p { margin: 0; color: #a7b2a9; font-size: .78rem; }
.arbiter-pin-gate .arbiter-error { min-height: 1.2em; color: #ffae91; }
.arbiter-tools { display: grid; gap: 16px; }
.arbiter-player-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.arbiter-player { padding: 14px; display: grid; gap: 11px; border: 1px solid rgba(255,255,255,.1); border-radius: 14px; background: #171e18; }
.arbiter-player[data-arbiter-color="white"] { border-color: rgba(232,223,203,.3); }
.arbiter-player[data-arbiter-color="black"] { border-color: rgba(126,164,137,.28); }
.arbiter-player header { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.arbiter-player header strong { font-size: .82rem; text-transform: uppercase; letter-spacing: .07em; }
.arbiter-player header output { color: #e4cf83; font: 800 1.65rem/1 "Arial Narrow", sans-serif; font-variant-numeric: tabular-nums; }
.arbiter-time-actions, .arbiter-results > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 7px; }
.arbiter-time-actions button, .arbiter-results button, .arbiter-secondary, .arbiter-primary { min-height: 44px; padding: 9px 12px; color: #e3e9e1; border: 1px solid rgba(255,255,255,.13); border-radius: 10px; background: #202921; font-size: .74rem; font-weight: 850; cursor: pointer; }
.arbiter-time-actions button:hover, .arbiter-results button:hover, .arbiter-secondary:hover { border-color: rgba(224,201,120,.55); }
.arbiter-secondary:disabled { opacity: .4; cursor: not-allowed; }
.arbiter-primary { color: #171a13; border-color: #e0c978; background: #e0c978; }
.arbiter-player .number-field { gap: 5px; font-size: .68rem; }
.arbiter-player .number-field input { min-height: 44px; font-size: .95rem; }
.arbiter-state-grid { display: grid; grid-template-columns: minmax(230px, 1fr) repeat(2, minmax(180px, .8fr)); align-items: end; gap: 10px; }
.arbiter-reason { padding: 14px; display: grid; grid-template-columns: 1fr 1.2fr auto; align-items: end; gap: 10px; border: 1px solid rgba(255,255,255,.09); border-radius: 14px; }
.arbiter-reason .number-field { gap: 5px; font-size: .68rem; }
.arbiter-reason .number-field input, .arbiter-reason .number-field select { min-height: 44px; font-size: .82rem; }
.arbiter-log { grid-column: 1 / -1; display: grid; gap: 4px; color: #9eaaa1; font-size: .68rem; }
.arbiter-log p { margin: 0; }
.arbiter-results { padding: 13px 14px; display: grid; grid-template-columns: auto minmax(300px, 1fr); align-items: center; gap: 16px; border: 1px solid rgba(184,83,70,.25); border-radius: 14px; }
.arbiter-results > span { color: #d5bbb5; font-size: .72rem; font-weight: 800; }
.arbiter-results > div { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.arbiter-results button { color: #f0cdc5; border-color: rgba(184,83,70,.3); background: rgba(113,48,40,.2); }
.arbiter-continue { width: 100%; min-height: 56px; font-size: .9rem; }

.analysis-panel { position: fixed; z-index: 82; inset: 0; padding: max(12px, env(safe-area-inset-top)) 12px max(12px, env(safe-area-inset-bottom)); overflow: auto; color: #e6ece4; background: rgba(5,8,6,.91); user-select: text; }
.analysis-card { width: min(980px, 100%); margin: 0 auto; padding: clamp(16px, 3vw, 28px); display: grid; gap: 18px; border: 1px solid rgba(145,192,129,.3); border-radius: 18px; background: #111713; box-shadow: 0 22px 70px rgba(0,0,0,.58); }
.analysis-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.analysis-header > div { display: grid; gap: 4px; }
.analysis-header span, .analysis-chart-card header span, .analysis-journal-card header span { color: #9dc58f; font-size: .63rem; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
.analysis-header h2 { margin: 0; font: 800 clamp(1.4rem, 4vw, 2.15rem)/1 Georgia, serif; }
.analysis-header p { margin: 3px 0 0; color: #aab6ac; font-size: .75rem; }
.analysis-comparison { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.analysis-side { padding: 15px; display: grid; gap: 12px; border: 1px solid rgba(255,255,255,.1); border-radius: 14px; background: #171e18; }
.analysis-side.is-white { border-color: rgba(232,223,203,.32); }
.analysis-side.is-black { border-color: rgba(126,164,137,.3); }
.analysis-side header { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.analysis-side header strong { font-size: .84rem; letter-spacing: .07em; text-transform: uppercase; }
.analysis-side header span { color: #e3ce82; font: 800 1.35rem/1 Georgia, serif; }
.analysis-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; }
.analysis-metric { min-width: 0; padding: 9px; display: grid; gap: 4px; border-radius: 9px; background: rgba(255,255,255,.045); }
.analysis-metric small { color: #8f9b91; font-size: .58rem; }
.analysis-metric strong { overflow: hidden; color: #e4eae2; font-size: .8rem; white-space: nowrap; text-overflow: ellipsis; }
.analysis-chart-card, .analysis-journal-card { padding: 15px; display: grid; gap: 13px; border: 1px solid rgba(255,255,255,.09); border-radius: 14px; background: #151c17; }
.analysis-chart-card > header, .analysis-journal-card > header { display: flex; align-items: end; justify-content: space-between; gap: 14px; }
.analysis-chart-card h3, .analysis-journal-card h3 { margin: 2px 0 0; font: 800 1.05rem/1.1 Georgia, serif; }
.analysis-legend { display: flex; align-items: center; gap: 6px; color: #97a39a; font-size: .62rem; }
.analysis-legend i { width: 18px; height: 3px; border-radius: 99px; }
.analysis-legend i.is-white { background: #e8dfcb; }
.analysis-legend i.is-black { margin-left: 5px; background: #83b279; }
.analysis-chart { min-height: 230px; overflow: hidden; border-radius: 10px; background: #0c120e; }
.analysis-chart svg { width: 100%; height: 230px; display: block; }
.analysis-chart .grid { stroke: rgba(255,255,255,.09); stroke-width: 1; }
.analysis-chart .axis-label { fill: #7f8b82; font: 10px system-ui, sans-serif; }
.analysis-chart .white-line { fill: none; stroke: #e8dfcb; stroke-width: 3; stroke-linejoin: round; stroke-linecap: round; }
.analysis-chart .black-line { fill: none; stroke: #83b279; stroke-width: 3; stroke-linejoin: round; stroke-linecap: round; }
.analysis-chart .point-white { fill: #e8dfcb; }
.analysis-chart .point-black { fill: #83b279; }
.analysis-empty { min-height: 180px; display: grid; place-items: center; color: #849086; text-align: center; font-size: .74rem; }
.analysis-journal-card > header small { color: #879289; font-size: .62rem; text-align: right; }
.analysis-table-scroll { overflow-x: auto; }
.analysis-table { width: 100%; border-collapse: collapse; font-size: .7rem; font-variant-numeric: tabular-nums; }
.analysis-table th, .analysis-table td { padding: 9px 8px; border-bottom: 1px solid rgba(255,255,255,.07); text-align: left; white-space: nowrap; }
.analysis-table th { color: #859087; font-size: .58rem; letter-spacing: .05em; text-transform: uppercase; }
.analysis-table td { color: #d6ded5; }
.analysis-table td:nth-child(2) { font-weight: 800; }
.analysis-table tr:last-child td { border-bottom: 0; }
.analysis-export { padding: 14px; display: grid; grid-template-columns: minmax(220px, 1fr) auto auto; align-items: center; gap: 9px; border: 1px solid rgba(224,201,120,.17); border-radius: 13px; }
.analysis-export > div { display: grid; gap: 3px; }
.analysis-export strong { font-size: .78rem; }
.analysis-export small { color: #8d998f; font-size: .62rem; }

@keyframes timeoutPulse { 50% { filter: brightness(1.35); } }
@keyframes rejectedTap { 35% { filter: brightness(1.24); transform: translateX(-4px); } 70% { transform: translateX(4px); } }
@keyframes arbiterHold { from { transform: scaleX(0); } to { transform: scaleX(1); } }

@media (max-width: 700px) {
    .setup-intro { margin-top: 34px; }
    #clock-tool .setup-intro { margin-top: 28px; }
    .tournament-intro { margin-top: 24px; padding: 24px 20px; }
    .tournament-intro::after { right: -10px; }
    .tournament-feature-list { gap: 5px; }
    .tournament-feature-list span { padding: 6px 8px; font-size: .61rem; }
    .preset-groups { grid-template-columns: 1fr; gap: 17px; }
    .quick-launch-panel { grid-template-columns: 1fr; }
    .quick-tune-link { text-align: center; }
    .preset-group--tournament { grid-column: auto; }
    .tournament-preset-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .mode-picker { grid-template-columns: 1fr; }
    .mode-picker span { min-height: 60px; }
    .table-settings, .switches { grid-template-columns: 1fr; }
    .feedback-tuning { grid-template-columns: 1fr; }
    .warning-signals small { width: 100%; margin-left: 0; }
    .arbiter-access-settings { grid-template-columns: 1fr; align-items: stretch; }
    .chess960-main-grid { grid-template-columns: 1fr; }
    .chess960-details { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .stage-row { grid-template-columns: 32px repeat(3, minmax(0, 1fr)) auto; gap: 6px; padding: 9px; }
    .stage-row .number-field span { font-size: .62rem; }
    .swiss-grid, .swiss-form-grid { grid-template-columns: 1fr; }
    .swiss-setup-footer { grid-template-columns: 1fr; }
    .swiss-create { width: 100%; }
    .clock-controls { grid-template-columns: auto auto minmax(126px, 1fr) auto minmax(68px, .75fr); }
    .game-status { min-width: 62px; padding: 0 2px; }
    #fullscreen-game { display: none; }
    .arbiter-state-grid { grid-template-columns: 1fr 1fr; }
    .arbiter-state-grid .compact-picker { grid-column: 1 / -1; }
    .arbiter-reason { grid-template-columns: 1fr 1fr; }
    .arbiter-reason .arbiter-secondary { grid-column: 1 / -1; }
    .arbiter-results { grid-template-columns: 1fr; }
    .analysis-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .clock-launch-options { grid-template-columns: 1fr; }
    .clock-launch-options .start-button { min-height: 72px; }
    .sync-join-card { grid-template-columns: 1fr auto; }
    .sync-join-card > div { grid-column: 1 / -1; }
    .sync-join-card > p { grid-column: 1 / -1; }
    .sync-share { grid-template-columns: 1fr; }
    .sync-qr { width: min(230px, 76vw); }
    .clock-portability { grid-template-columns: 1fr; }
}

@media (max-width: 430px) {
    .preset-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .quick-launch-panel { padding: 12px; border-radius: 15px; }
    .quick-start-button { width: 100%; }
    .favorite-controls > header { align-items: stretch; flex-direction: column; }
    .favorite-control-toggle { width: 100%; }
    .settings-section { padding: 18px 14px; border-radius: 17px; }
    .number-settings { grid-template-columns: 1fr; }
    .stage-builder-heading { align-items: flex-start; flex-direction: column; }
    .stage-builder-heading .secondary-button { width: 100%; }
    .stage-row { grid-template-columns: 30px repeat(2, minmax(0, 1fr)) auto; }
    .stage-row .number-field:nth-of-type(3) { grid-column: 2 / 4; }
    .stage-number { width: 30px; height: 30px; }
    .asymmetric-settings { grid-template-columns: 1fr; }
    .tool-tabs { grid-template-columns: .72fr 1.28fr; }
    .tool-tab { padding: 8px 6px; font-size: .69rem; }
    .variant-picker { grid-template-columns: 1fr; }
    .position-controls { grid-template-columns: 1fr auto auto; }
    .position-number-field { grid-column: 1 / -1; }
    .random-position { min-width: 110px; }
    .position-board { border-width: 3px; }
    .chess960-details, .position-code-grid, .position-library { grid-template-columns: 1fr; }
    .position-heading { align-items: flex-start; }
    .favorite-position { min-width: 44px; }
    .position-library header { align-items: flex-start; flex-direction: column; }
    .tournament-header { align-items: flex-start; flex-direction: column; }
    .tournament-header .secondary-button { width: 100%; }
    .clock-controls { min-height: 68px; padding-top: 5px; padding-bottom: 5px; }
    .control-button { min-width: 49px; min-height: 44px; padding: 4px 6px; }
    .control-button small { display: none; }
    .main-control { min-width: 118px; min-height: 56px; padding: 6px 10px; }
    .clock-health i { font-size: .44rem; }
    .arbiter-card { padding: 15px 12px; border-radius: 14px; }
    .arbiter-player-grid { grid-template-columns: 1fr; }
    .arbiter-state-grid, .arbiter-reason { grid-template-columns: 1fr; }
    .arbiter-state-grid .compact-picker, .arbiter-reason .arbiter-secondary { grid-column: auto; }
    .arbiter-results > div { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .analysis-card { padding: 15px 12px; border-radius: 14px; }
    .analysis-comparison { grid-template-columns: 1fr; }
    .analysis-chart-card > header, .analysis-journal-card > header { align-items: flex-start; flex-direction: column; }
    .analysis-journal-card > header small { text-align: left; }
    .analysis-export { grid-template-columns: 1fr 1fr; }
    .analysis-export > div { grid-column: 1 / -1; }
    .sync-lobby-card { padding: 16px 13px; border-radius: 15px; }
    .sync-room-status { grid-template-columns: 1fr; text-align: center; }
    .sync-room-status strong { grid-row: auto; grid-column: auto; order: -1; }
    .sync-player-presence { grid-template-columns: 1fr; }
    .sync-share-copy > div { grid-template-columns: 1fr; }
    .clock-settings-share-body { grid-template-columns: 1fr; }
    .clock-settings-qr { width: min(180px, 58vw); height: auto; margin: 0 auto; aspect-ratio: 1; }
    .clock-settings-link-panel > div { grid-template-columns: 1fr; }
}

@media (max-height: 540px) {
    .clock-controls { min-height: 56px; }
    .control-button { min-height: 40px; }
    .main-control { min-height: 48px; }
    .player-label, .player-meta { font-size: .6rem; }
    .time-display { font-size: clamp(3rem, 17vmin, 6rem); }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}