.arcade-banner{display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--ink);color:white;border-radius:20px;padding:24px;margin:25px 0}.arcade-banner h2{margin:0 0 8px;color:white}.arcade-banner p{margin:0;line-height:1.6}.arcade-banner .button{white-space:nowrap;background:#ffcf5b;color:#172942;border:0}.arcade-banner small{color:#ffe49b}.club-tabs{display:flex;gap:9px;flex-wrap:wrap;margin:20px 0}.club-tabs a{padding:10px 15px;border:1px solid var(--line);border-radius:99px;text-decoration:none;font-weight:700;background:white}.club-tabs a.active{background:var(--ink);color:white}.club-panel{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;margin:20px 0}.club-panel h2{margin-top:0}.club-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.club-grid .game-card{min-height:215px}.club-controls{display:flex;flex-wrap:wrap;gap:16px;align-items:end;margin:18px 0}.club-controls label{display:flex;flex-direction:column;gap:7px;font-weight:700;font-size:15px}.club-controls select,.club-controls input{font:inherit;border:1px solid #9aaac1;padding:10px;border-radius:8px;min-height:44px;background:white;color:var(--ink);max-width:100%}.club-controls label.check-inline{flex-direction:row;align-items:center;line-height:1.5}.check-inline input{accent-color:var(--blue);min-height:20px;width:20px;height:20px;flex-shrink:0}.arcade-header{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin:20px 0}.arcade-pills{display:flex;gap:10px;flex-wrap:wrap}.arcade-pill{padding:9px 13px;border:1px solid var(--line);border-radius:99px;background:white;font-size:14px;font-weight:700}.arcade-pill.turn-1{background:#dfeafb;color:#163967}.arcade-pill.turn-2{background:#ffe6dc;color:#873013}.board-wrap{max-width:580px;margin:22px auto}.tic-board{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.tic-board button{aspect-ratio:1;border:2px solid #bcc9db;border-radius:15px;background:#f3f7ff;font-size:clamp(30px,6vw,60px);font-weight:800;display:grid;place-items:center;position:relative}.tic-board button small{font:14px system-ui;position:absolute;top:8px;left:10px}.tic-board .player-1{color:#18569c;background:#dceafa}.tic-board .player-2{color:#b23b27;background:#ffe7df}.tic-board .winning{border:4px solid #148162}.connect-columns{display:grid;grid-template-columns:repeat(7,1fr);gap:5px;margin:10px 0}.connect-columns button{padding:10px 0;border:1px solid #9baec9;background:white;border-radius:9px;font-size:20px;min-height:44px}.connect-board{display:grid;grid-template-columns:repeat(7,1fr);gap:8px;background:#1c4b92;border:8px solid #1c4b92;border-radius:18px;padding:7px}.connect-slot{aspect-ratio:1;background:#edf3fc;border:2px solid #143e7e;border-radius:50%;display:grid;place-items:center;font-size:clamp(14px,3vw,22px);font-weight:800;color:#1c4b92}.connect-slot.player-1{background:#ffe16b;color:#654600}.connect-slot.player-2{background:#f39185;color:#6d1a14}.connect-slot.winning{outline:4px solid white;outline-offset:-5px}.arcade-question{background:#eef4ff;border:1px solid #aec5e4;border-radius:16px;padding:22px;margin:20px 0}.arcade-question .equation{margin:10px 0 20px}.arcade-question input{max-width:210px}.arcade-feedback{padding:14px;border-radius:10px;background:#fff3cd;line-height:1.6;margin:14px 0}.arcade-feedback.good{background:#e2f5ec;color:#164e3c}.arcade-empty{padding:25px;border:2px dashed #bdc9db;border-radius:14px;line-height:1.7;color:var(--muted)}.arcade-memory{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0}.arcade-memory button{min-height:105px;background:#1e4d91;color:white;border:2px solid #1e4d91;border-radius:12px;font-size:24px;font-weight:800}.arcade-memory .open{background:#fff3ca;color:var(--ink);border-color:#d6a731}.arcade-memory .matched{background:#e0f2e9;color:#21604a;border-color:#a5ccb8}.bubble-field{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:15px;margin:20px 0}.bubble-field button{aspect-ratio:1;border-radius:50%;border:3px solid #afc7e8;background:linear-gradient(135deg,#fff,#dceafb);font-size:clamp(28px,5vw,42px);font-weight:800;box-shadow:0 5px 0 #b5c9e0;min-width:0}.bubble-field button:nth-child(2n){background:linear-gradient(135deg,#fff,#ffe6c6);border-color:#e5b674;box-shadow:0 5px 0 #e0bc8c}.bubble-field button:hover{transform:translateY(-3px)}.locks{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0}.lock{background:#ecf1f8;border:2px solid #bac9dd;border-radius:13px;text-align:center;padding:18px 5px;font-size:30px;font-weight:800}.lock small{display:block;font-size:13px;margin-top:8px}.lock.open{background:#ddf2e6;border-color:#76b695;color:#225c40}.sort-bins{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin:20px 0}.sort-bins button{background:#f2f6fc;border:2px dashed #8ea9cd;padding:20px 10px;border-radius:13px;font-size:18px;min-height:100px}.sort-bins strong{font-size:35px;display:block}.race-track{height:22px;background:#dce6f4;border-radius:99px;overflow:hidden;margin:20px 0}.race-track>span{height:100%;display:block;background:linear-gradient(90deg,#226fc6,#24a57b);transition:width .25s}.speed-display{font-size:40px;line-height:1.2;font-weight:800;font-variant-numeric:tabular-nums}.game-ended{background:var(--ink);color:white;border-radius:18px;padding:24px;margin:20px 0}.game-ended h2{margin-top:0;color:#ffe17e}.game-ended p{line-height:1.7}.game-ended .secondary{background:white}.song-stage{background:#172942;color:white;padding:30px;border-radius:22px;text-align:center;margin:20px 0}.song-stage .eyebrow{color:#ffe094}.song-stage h2{font-size:30px;color:white;margin:8px 0 20px}.song-stage .lyric{font-size:clamp(28px,4.5vw,46px);line-height:1.45;font-weight:800;min-height:85px;color:#ffe094}.song-stage .song-hook{font-size:18px;line-height:1.6;color:#e4ecfb}.song-stage .actions{justify-content:center}.song-stage .secondary{background:#fff;color:var(--ink)}.song-stage input{color:var(--ink)}.song-notes{display:flex;gap:8px;justify-content:center;margin:25px 0}.song-notes span{height:9px;width:35px;background:#3c5b85;border-radius:99px}.song-notes.playing span{animation:beat .6s infinite alternate}.song-notes.playing span:nth-child(2n){animation-delay:.3s}.song-notes.playing span:nth-child(3n){animation-delay:.15s}.song-lyrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.song-lyrics button{text-align:left;padding:13px;border:1px solid var(--line);border-radius:10px;background:white;font-size:16px}.song-lyrics button.current{background:#fff2c6;border-color:#c59c28}.song-lyrics button small{display:block;font-size:13px;margin-top:6px;color:var(--muted)}.family-song-picker{display:flex;flex-wrap:wrap;gap:8px}.family-song-picker button{width:48px;min-height:45px;border:1px solid var(--line);border-radius:8px;background:white;font-weight:800}.family-song-picker .selected{background:var(--blue);color:white}.mastery-table-wrap{overflow-x:auto}.mastery-table{width:100%;border-collapse:collapse;font-size:15px}.mastery-table td,.mastery-table th{border-bottom:1px solid var(--line);padding:12px;text-align:left;line-height:1.5}.mastery-table th{background:#edf3fc}.mastery-table label{display:flex;align-items:center;gap:9px;white-space:nowrap}.mastery-table input{width:22px;height:22px;accent-color:#1b7155}.mastery-board{display:grid;grid-template-columns:repeat(7,1fr);gap:9px}.mastery-fact{border:1px solid var(--line);border-radius:11px;padding:11px 6px;background:white;text-align:center;font-size:15px;cursor:pointer}.mastery-fact input{display:block;margin:0 auto 7px;width:21px;height:21px;accent-color:#1b7155}.mastery-fact.marked{background:#dff4e8;border-color:#489878}.mastery-fact small{display:block;color:var(--muted);font-size:12px;line-height:1.4;margin-top:5px}.mastery-stats{display:flex;gap:15px;flex-wrap:wrap}.mastery-stats>div{flex:1;min-width:135px;background:white;border:1px solid var(--line);border-radius:13px;padding:17px}.mastery-stats strong{display:block;font-size:30px;margin-bottom:6px}.mastery-stats span{font-size:14px;line-height:1.5;color:var(--muted)}.progress-badges{display:flex;gap:10px;flex-wrap:wrap;margin:15px 0}.progress-badges span{background:#fff0ba;color:#654d06;padding:10px 15px;border-radius:99px;font-weight:700;font-size:14px}.result-facts{display:flex;gap:8px;flex-wrap:wrap;margin:15px 0}.result-facts label{display:flex;align-items:center;gap:8px;background:white;border:1px solid var(--line);border-radius:9px;padding:10px;line-height:1.4}.result-facts input{width:21px;height:21px;accent-color:#1b7155}.result-facts label.marked{background:#ddf3e6}.club-help{border:1px solid var(--line);border-radius:10px;min-height:44px;padding:10px 14px;background:#edf3fc;font-weight:700}.club-dialog{border:0;border-radius:20px;max-width:650px;width:92vw;max-height:85vh;overflow:auto;padding:26px;color:var(--ink);box-shadow:0 25px 80px #10213d66}.club-dialog::backdrop{background:#172942b8}.club-dialog .close{float:right}.club-dialog p,.club-dialog li{line-height:1.7}.club-dialog h2{margin-top:0}.club-status{font-size:14px;line-height:1.5;color:var(--muted)}.test-type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:11px}.test-type-grid button{padding:17px;text-align:left;border:1px solid var(--line);border-radius:12px;background:white;min-height:120px}.test-type-grid button.selected{border:2px solid var(--blue);background:#eaf2ff}.test-type-grid b{font-size:17px;display:block}.test-type-grid small{display:block;font-size:14px;color:var(--muted);line-height:1.5;margin-top:7px}.checkup-nav{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.checkup-nav button{width:42px;min-height:42px;background:#fff;border:1px solid var(--line);border-radius:8px}.checkup-nav button.answered{background:#dceafc}.checkup-nav button.current{outline:2px solid var(--blue)}.club-grid .full{grid-column:1/-1}@keyframes beat{to{background:#ffe094;transform:scaleY(2)}}@media(max-width:800px){.arcade-banner{flex-direction:column;align-items:flex-start}.club-grid{grid-template-columns:1fr 1fr}.test-type-grid{grid-template-columns:1fr 1fr}.mastery-board{grid-template-columns:repeat(5,1fr)}.song-lyrics{grid-template-columns:1fr 1fr}.connect-board{gap:5px;border-width:5px;padding:5px}.arcade-memory{gap:8px}.arcade-memory button{font-size:20px;min-height:90px}}@media(max-width:480px){.club-panel{padding:17px}.club-grid{grid-template-columns:1fr}.mastery-board{grid-template-columns:repeat(3,1fr)}.arcade-memory{grid-template-columns:repeat(3,1fr)}.bubble-field{gap:13px;padding:0}.song-stage{padding:23px 15px}.song-lyrics{grid-template-columns:1fr}.test-type-grid{grid-template-columns:1fr}.sort-bins{gap:8px}.sort-bins button{padding:12px 5px;font-size:15px}.locks{gap:8px}.arcade-banner .button{white-space:normal}.club-tabs a{font-size:14px}.connect-slot{font-size:15px}}@media(prefers-reduced-motion:reduce){.song-notes.playing span{animation:none}.bubble-field button:hover{transform:none}.race-track>span{transition:none}}
/* Shared controls and narrow-screen layouts. */
header{flex-wrap:wrap}header nav{gap:16px}header .brand{flex-shrink:0}.club-help{white-space:nowrap}.club-panel .check-inline{display:flex;align-items:flex-start;gap:10px;line-height:1.5}.check-inline small{display:block;margin-top:5px}.mastery-board{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:20px}.mastery-fact{padding:16px;text-align:left;cursor:default}.mastery-fact input{display:inline-block;margin:2px 0}.mastery-fact small{font-size:14px}.mastery-fact .secondary{font-size:14px;padding:9px}.result-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.result-facts>.club-panel{margin:0;padding:14px}.result-facts label{border:0;padding:0}.test-type-grid strong,.test-type-grid span{display:block;line-height:1.5}.test-type-grid span{font-size:14px;margin-top:8px;color:var(--muted)}.arcade-question>label{display:flex;flex-direction:column;align-items:flex-start;gap:10px;margin:18px 0;font-weight:700}.arcade-question input{width:100%;padding:12px 16px;border:2px solid #9aacbf;border-radius:10px;font-size:24px;min-height:56px;background:white;color:var(--ink)}.arcade-question .story-equation{font-size:clamp(22px,3vw,32px);line-height:1.5;text-align:left}.song-stage .arcade-question{color:var(--ink);text-align:left}.family-song-picker button[aria-pressed=true]{background:var(--ink);color:white}.checkup-nav button[aria-current=step]{outline:3px solid var(--blue)}.club-panel input[type=file]{display:block;max-width:100%;margin:12px 0}.arcade-banner .small{color:#e6eefc}.arcade-banner .actions{margin-top:16px}.song-notes{font-size:35px;color:#ffe094}.song-notes.playing{animation:glow .7s infinite alternate}@keyframes glow{to{opacity:.55}}.board-wrap button:disabled{opacity:1}.mastery-table-wrap+ .small{margin:20px 0}
@media(max-width:800px){.mastery-board,.result-facts{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:480px){.mastery-board,.result-facts{grid-template-columns:1fr}header{gap:12px}header nav{gap:10px}.club-panel{overflow-wrap:anywhere}.arcade-question .equation{font-size:32px}.arcade-question .story-equation{font-size:23px}.club-dialog .close{float:none;margin-bottom:15px}}@media(prefers-reduced-motion:reduce){.song-notes.playing{animation:none}}@media print{header,footer,.coach,.club-tabs,button,input[type=file],.club-help,.club-controls,.actions{display:none!important}main{padding:0}.workspace{display:block}.club-panel,.mastery-fact{break-inside:avoid}.arcade-banner{background:white;color:black;border:1px solid #333}.arcade-banner h2,.arcade-banner .small{color:black}.mastery-board{grid-template-columns:repeat(3,1fr)}.mastery-table{font-size:12px}}
#club-open-code{display:block;width:100%;min-height:48px;padding:12px;margin:12px 0;border:1px solid #9aacbf;border-radius:9px;font:inherit}#club-progress-code{display:block;padding:16px;background:#edf3fc;border-radius:9px;font-size:17px;line-height:1.6;overflow-wrap:anywhere;margin:15px 0}.club-panel details summary{cursor:pointer;line-height:1.5}
.club-modes,.friend-scores{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.club-mode{display:flex;flex-direction:column;gap:10px;text-align:left;border:2px solid var(--line);border-radius:14px;background:white;padding:20px;color:var(--ink);font:inherit;cursor:pointer;min-height:140px}.club-mode strong{font-size:20px;line-height:1.35}.club-mode span{font-size:16px;line-height:1.55}.club-mode[aria-pressed=true]{border-color:var(--blue);background:#eaf2ff;box-shadow:inset 0 0 0 1px var(--blue)}.club-mode:focus-visible{outline:3px solid var(--ink);outline-offset:4px}.friend-status{margin:20px 0}.friend-status>.arcade-pill{display:inline-block;margin:0 0 12px}.friend-score{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;border:1px solid var(--line);border-radius:12px;padding:16px;font-size:18px;line-height:1.5}.friend-score.player-1{background:#dfeafb;color:#163967}.friend-score.player-2{background:#ffe6dc;color:#873013}.friend-handoff p{font-size:18px;line-height:1.6}.friend-handoff .primary{font-size:18px;min-height:52px}.friend-scores span{font-weight:700}@media(max-width:600px){.club-modes,.friend-scores{grid-template-columns:1fr}.club-mode{min-height:0}}@media print{.club-modes{display:none}}
.partner-rules{border:0;padding:0;margin:24px 0 0;min-width:0}.partner-rules legend{font-size:18px;font-weight:750;margin-bottom:12px}.partner-rules .club-mode{min-height:110px}.battle-scores{margin:20px 0}.battle-rules summary{cursor:pointer;line-height:1.5}.battle-rules p{line-height:1.7}.battle-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:7px;max-width:440px;margin:20px auto}.battle-cell{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;aspect-ratio:1;border:2px solid #a6b9d3;border-radius:10px;background:#edf4ff;color:#163967;min-height:52px;font:inherit;cursor:pointer}.battle-cell small{font-size:14px;font-weight:700}.battle-cell span{font-size:22px;font-weight:800}.battle-cell:disabled{cursor:default;opacity:1}.battle-cell.placed{background:#163967;color:white;border-color:#163967}.battle-cell.hit{background:#e0f3e8;color:#16583e;border-color:#3c9970}.battle-cell.missed{background:#eee;color:#465567;border-color:#bcc4cc}.battle-cell:focus-visible,.dot-line:focus-visible{outline:3px solid #b3441e;outline-offset:3px}.handoff-countdown{font-size:64px;font-weight:800;margin:16px 0;color:var(--blue);font-variant-numeric:tabular-nums}.battle-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0}.battle-choices button{min-height:76px;font-size:18px}.battle-reveal p{line-height:1.7}.dots-board{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));max-width:490px;margin:24px auto;align-items:stretch}.dots-board>*{aspect-ratio:1;display:grid;place-items:center}.dot{font-size:32px;color:var(--ink)}.dot-line{border:0;background:transparent;min-width:0;min-height:44px;padding:0;cursor:pointer;border-radius:6px}.dot-line span{display:block;background:#b5c6db;border-radius:5px}.dot-line.horizontal span{width:100%;height:8px}.dot-line.vertical span{height:100%;width:8px}.dot-line.owner-1 span{background:#2267ac}.dot-line.owner-2 span{background:#b94b2c}.dot-line:disabled{opacity:1;cursor:default}.dot-box{font-size:18px;font-weight:800;border-radius:8px}.dot-box.owner-1{background:#dfeafb;color:#163967}.dot-box.owner-2{background:#ffe6dc;color:#873013}.race-board{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin:24px 0}.race-space{min-height:82px;border:2px solid #a9bdd6;border-radius:10px;background:white;padding:7px;display:flex;flex-direction:column;align-items:center;gap:8px}.race-space small{font-size:14px;font-weight:700}.race-space>span{display:flex;flex-wrap:wrap;gap:4px;justify-content:center}.race-space.finish{border-color:#278358;background:#e0f3e8}.race-token{display:inline-grid;place-items:center;width:27px;height:27px;border-radius:50%;font-size:16px}.race-token.player-1{background:#18569c;color:white}.race-token.player-2{background:#b23b27;color:white}#battle-clock{font-variant-numeric:tabular-nums}.battle-scores .friend-score{overflow-wrap:anywhere}@media(max-width:600px){.race-board{grid-template-columns:repeat(4,minmax(0,1fr))}.battle-choices{grid-template-columns:1fr}.battle-choices button{min-height:52px}.dots-board{grid-template-columns:repeat(7,minmax(0,1fr))}.battle-grid{gap:5px}.battle-cell{min-height:44px;border-radius:7px}.dot-line{min-height:38px}.partner-rules .club-mode{min-height:0}}

/* Two-Chromebook rooms, using the existing Fact Club palette. */
.room-join-banner,.room-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;background:#edf4ff;border:1px solid #aec5e4;border-radius:16px;padding:20px;margin:20px 0}.room-join-banner h2,.room-join-banner p{margin:4px 0}.room-bar>div{display:flex;flex-direction:column;gap:5px}.room-code{font-size:32px;letter-spacing:.14em;font-variant-numeric:tabular-nums;user-select:all}.room-join{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0}.room-join input{font:700 24px system-ui;letter-spacing:.12em;text-transform:uppercase;border:2px solid #9aacbf;border-radius:10px;padding:12px;width:210px;max-width:100%}.room-wait li{margin:14px 0;line-height:1.6}.room-error:empty{display:none}.room-error{color:#8b291b;background:#fff1e8;border-radius:10px;padding:14px;line-height:1.6}.room-turn{background:#edf4ff;padding:16px;border-radius:12px;line-height:1.6}.room-timer{font-size:21px;font-weight:750;font-variant-numeric:tabular-nums}#online-answer-form{display:flex;align-items:center;flex-wrap:wrap;gap:14px}#online-answer-form label{font-weight:700;width:100%}.club-modes[aria-label="Arcade play mode"]{grid-template-columns:repeat(3,minmax(0,1fr))}@media(max-width:850px){.club-modes[aria-label="Arcade play mode"]{grid-template-columns:1fr}.room-bar{align-items:flex-start}.room-code{font-size:29px}}

/* Optional answer clocks match the existing blue arcade controls. */
.timer-settings select{display:block;margin:12px 0;padding:12px;font:inherit;max-width:100%;border:2px solid #9aacbf;border-radius:10px;background:white;color:var(--ink)}
.answer-countdown{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:16px 0;padding:14px 18px;border:2px solid #2267ac;border-radius:12px;background:#edf4ff;color:#163967}
.answer-countdown>span{font-size:14px;font-weight:750}.answer-countdown strong{font-size:28px;font-variant-numeric:tabular-nums;line-height:1.3}.answer-countdown [data-urgent="true"]{color:#9c2818}