:root{color:#0f172a;font-synthesis:none;text-rendering:optimizelegibility;background:#e2e8f0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{background:#e2e8f0;min-width:320px;min-height:100%}body{min-width:320px;min-height:100vh;margin:0}button{font:inherit;touch-action:manipulation}button:focus-visible{outline-offset:2px;outline:3px solid #38bdf8}.app{width:min(100% - 24px,560px);padding:max(18px, env(safe-area-inset-top)) 0 max(28px, env(safe-area-inset-bottom));margin:0 auto}.topbar{justify-content:space-between;align-items:center;gap:16px;margin-bottom:16px;display:flex}.eyebrow{color:#64748b;letter-spacing:.08em;text-transform:uppercase;margin:0 0 2px;font-size:.8rem;font-weight:700}h1{margin:0;font-size:clamp(2rem,8vw,3rem);line-height:1}.new-game-button,.victory-card button{color:#fff;cursor:pointer;background:#0f172a;border:0;border-radius:12px;min-height:44px;padding:0 16px;font-weight:800}.status-card{background:#fff;border-radius:16px;grid-template-columns:repeat(3,1fr);margin-bottom:12px;display:grid;overflow:hidden;box-shadow:0 10px 30px #0f172a14}.status-card div{text-align:center;gap:2px;padding:12px 8px;display:grid}.status-card div+div{border-left:1px solid #e2e8f0}.status-card span{color:#64748b;text-transform:uppercase;font-size:.75rem;font-weight:700}.status-card strong{font-size:1.05rem}.difficulty-selector{grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px;display:grid}.difficulty-button{color:#334155;cursor:pointer;background:#f8fafc;border:1px solid #cbd5e1;border-radius:10px;min-height:40px;font-weight:800}.difficulty-button--active{color:#fff;background:#2563eb;border-color:#2563eb}.board{aspect-ratio:1;background:#0f172a;border:3px solid #0f172a;border-radius:8px;grid-template-rows:repeat(9,minmax(0,1fr));grid-template-columns:repeat(9,minmax(0,1fr));width:100%;display:grid;overflow:hidden}.cell{aspect-ratio:1;color:#2563eb;cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-top:0;border-left:0;border-radius:0;place-items:center;width:100%;min-width:0;height:100%;min-height:0;padding:0;font-size:clamp(1rem,5.7vw,1.85rem);font-weight:700;line-height:1;display:grid}.cell:nth-child(3n){border-right:3px solid #0f172a}.cell:nth-child(9n){border-right:0}.cell:nth-child(n+19):nth-child(-n+27),.cell:nth-child(n+46):nth-child(-n+54){border-bottom:3px solid #0f172a}.cell:nth-child(n+73){border-bottom:0}.cell--fixed{color:#0f172a;font-weight:900}.cell--related{background:#eff6ff}.cell--same-value{background:#dbeafe}.cell--selected{z-index:1;background:#bfdbfe;position:relative;box-shadow:inset 0 0 0 3px #2563eb}.cell--incorrect{color:#dc2626;background:#fee2e2}.controls{margin-top:14px}.number-pad{grid-template-columns:repeat(9,minmax(0,1fr));gap:5px;display:grid}.number-button{color:#fff;cursor:pointer;background:#2563eb;border:0;border-radius:10px;place-items:center;min-width:0;min-height:56px;padding:4px 0;font-size:1.25rem;font-weight:900;display:grid}.number-button small{opacity:.8;font-size:.55rem;font-weight:700;display:block}.number-button:disabled{color:#94a3b8;cursor:default;background:#cbd5e1}.erase-button{color:#334155;cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:10px;width:100%;min-height:44px;margin-top:8px;font-weight:800}.erase-button:disabled{opacity:.55;cursor:default}.victory-card{color:#14532d;text-align:center;background:#dcfce7;border-radius:16px;gap:8px;margin-top:14px;padding:16px;display:grid}.victory-card strong{font-size:1.3rem}@media (width<=430px){.app{width:min(100% - 12px,560px)}.new-game-button{padding:0 12px}.number-pad{gap:3px}.number-button{border-radius:8px;min-height:50px}}.home-page{width:min(100% - 24px,920px)}.home-header{justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px;display:flex}.player-chip{background:#fffc;border:1px solid #cbd5e1;border-radius:999px;align-items:center;gap:10px;min-width:0;padding:8px 12px 8px 8px;display:flex;box-shadow:0 8px 24px #0f172a0f}.player-chip>span:last-child{display:grid}.player-chip small{color:#64748b;font-size:.67rem;font-weight:700}.player-chip strong{text-overflow:ellipsis;white-space:nowrap;font-size:.85rem;overflow:hidden}.player-avatar{color:#fff;background:#2563eb;border-radius:50%;place-items:center;width:38px;height:38px;font-size:.72rem;font-weight:900;display:grid}.welcome-card{color:#fff;background:linear-gradient(135deg,#0f172a,#1e3a8a);border-radius:22px;justify-content:space-between;align-items:center;gap:20px;padding:20px;display:flex;box-shadow:0 18px 45px #0f172a2e}.welcome-card>div{align-items:center;gap:14px;display:flex}.welcome-card p{color:#bfdbfe;margin:0 0 4px;font-size:.8rem;font-weight:700}.welcome-card strong{font-size:clamp(1rem,3vw,1.3rem)}.welcome-icon{font-size:2.2rem}.save-status{color:#dbeafe;white-space:nowrap;background:#ffffff14;border:1px solid #fff3;border-radius:999px;padding:8px 11px;font-size:.72rem;font-weight:700}.games-section{margin-top:28px}.section-heading{justify-content:space-between;align-items:end;gap:12px;margin-bottom:14px;display:flex}.section-heading h2{margin:0;font-size:clamp(1.35rem,4vw,1.8rem)}.section-heading>span{color:#64748b;font-size:.8rem;font-weight:800}.games-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;display:grid}.game-card{min-width:0;color:inherit;text-align:left;background:#fff;border:1px solid #cbd5e1;border-radius:22px;grid-template-columns:132px 1fr;gap:18px;padding:16px;display:grid;box-shadow:0 12px 32px #0f172a14}button.game-card{cursor:pointer}.game-card--active{transition:transform .16s,box-shadow .16s,border-color .16s}.game-card--active:hover{border-color:#60a5fa;transform:translateY(-3px);box-shadow:0 18px 38px #2563eb29}.game-card--disabled{opacity:.72}.game-art{border-radius:17px;align-self:stretch;min-height:132px}.game-art--sudoku{background:#dbeafe;border:3px solid #1e3a8a;grid-template-columns:repeat(3,1fr);display:grid;overflow:hidden}.game-art--sudoku span{color:#1e3a8a;border-bottom:1px solid #93c5fd;border-right:1px solid #93c5fd;place-items:center;font-size:1.05rem;font-weight:900;display:grid}.game-art--numbers{background:#f1f5f9;grid-template-columns:repeat(2,1fr);gap:8px;padding:14px;display:grid}.game-art--numbers span{color:#475569;background:#fff;border-radius:12px;place-items:center;font-size:1.3rem;font-weight:900;display:grid;box-shadow:0 5px 12px #0f172a14}.game-card-content{flex-direction:column;align-items:flex-start;min-width:0;display:flex}.game-card-content>strong{margin-top:12px;font-size:1.3rem}.game-card-content>small{color:#64748b;margin-top:7px;font-size:.82rem;line-height:1.45}.game-badge{color:#166534;letter-spacing:.04em;text-transform:uppercase;background:#dcfce7;border-radius:999px;padding:5px 8px;font-size:.65rem;font-weight:900}.game-badge--soon{color:#92400e;background:#fef3c7}.play-link{color:#2563eb;margin-top:auto;padding-top:16px;font-size:.82rem;font-weight:900}.play-link b{margin-left:3px;transition:transform .16s;display:inline-block}.game-card--active:hover .play-link b{transform:translate(4px)}.play-link--disabled{color:#94a3b8}.game-title{align-items:center;gap:10px;display:flex}.back-button{color:#0f172a;cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:12px;place-items:center;width:44px;height:44px;font-size:1.35rem;font-weight:900;display:grid}@media (width<=760px){.games-grid{grid-template-columns:1fr}}@media (width<=520px){.home-header,.welcome-card{flex-direction:column;align-items:flex-start}.save-status{white-space:normal}.game-card{grid-template-columns:108px 1fr;gap:13px;padding:12px}.game-art{min-height:108px}}@media (width<=390px){.game-card{grid-template-columns:92px 1fr}.game-art{min-height:92px}.game-card-content>strong{font-size:1.1rem}}.save-status--online:before,.save-status--connecting:before,.save-status--offline:before{content:"";background:currentColor;border-radius:999px;width:8px;height:8px;margin-right:7px;display:inline-block}.save-status--online{color:#15803d}.save-status--connecting{color:#a16207}.save-status--offline{color:#64748b}.dashboard-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.4fr);gap:16px;margin-top:24px;display:grid}.dashboard-card{background:#fff;border:1px solid #cbd5e1;border-radius:22px;min-width:0;padding:18px;box-shadow:0 12px 32px #0f172a14}.compact-heading{margin-bottom:12px}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;display:grid}.stats-grid div{background:#f1f5f9;border-radius:14px;gap:4px;min-width:0;padding:12px;display:grid}.stats-grid span{color:#64748b;text-transform:uppercase;font-size:.7rem;font-weight:800}.stats-grid strong{text-overflow:ellipsis;font-size:1.15rem;overflow:hidden}.ranking-list{gap:7px;display:grid}.ranking-row{background:#f8fafc;border-radius:12px;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:10px;padding:9px 10px;display:grid}.ranking-row--current{background:#dbeafe;box-shadow:inset 0 0 0 1px #93c5fd}.ranking-row>b{color:#2563eb;font-size:.8rem}.ranking-row>span{min-width:0;display:grid}.ranking-row>span strong,.ranking-row>span small{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.ranking-row>span strong{font-size:.84rem}.ranking-row>span small{color:#64748b;margin-top:2px;font-size:.68rem}.ranking-row>strong{font-size:.86rem}.empty-ranking{color:#64748b;text-align:center;background:#f8fafc;border-radius:14px;margin:0;padding:18px 12px;font-size:.82rem;line-height:1.5}@media (width<=760px){.dashboard-grid{grid-template-columns:1fr}}.account-button{color:#fff;cursor:pointer;background:#2563eb;border:0;border-radius:999px;min-height:40px;padding:0 15px;font-weight:800}.account-button--secondary{color:#334155;background:#fff;border:1px solid #cbd5e1}.auth-overlay{z-index:50;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#0f172a94;place-items:center;padding:18px;display:grid;position:fixed;inset:0}.auth-modal{background:#fff;border-radius:22px;width:min(100%,430px);padding:26px;position:relative;box-shadow:0 30px 80px #0f172a59}.auth-modal h2{margin:0 0 18px;font-size:1.65rem}.auth-close{color:#475569;cursor:pointer;background:#f1f5f9;border:0;border-radius:50%;width:36px;height:36px;font-size:1.5rem;position:absolute;top:12px;right:14px}.auth-tabs{background:#e2e8f0;border-radius:12px;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:18px;padding:4px;display:grid}.auth-tabs button{color:#64748b;cursor:pointer;background:0 0;border:0;border-radius:9px;min-height:38px;font-weight:800}.auth-tabs button.active{color:#0f172a;background:#fff;box-shadow:0 3px 10px #0f172a14}.auth-form{gap:13px;display:grid}.auth-form label{color:#334155;gap:6px;font-size:.82rem;font-weight:800;display:grid}.auth-form input{color:#0f172a;width:100%;min-height:46px;font:inherit;background:#fff;border:1px solid #cbd5e1;border-radius:11px;padding:0 12px}.auth-form input:focus{border-color:#2563eb;outline:3px solid #dbeafe}.auth-submit{color:#fff;cursor:pointer;background:#0f172a;border:0;border-radius:12px;min-height:48px;margin-top:4px;font-weight:900}.auth-submit:disabled{opacity:.65;cursor:wait}.auth-error{color:#991b1b;background:#fee2e2;border-radius:10px;margin:0;padding:10px 12px;font-size:.85rem}@media (width<=620px){.home-header{align-items:flex-start}.player-area{flex-direction:column;align-items:flex-end}.player-chip{max-width:190px}}.player-area{align-items:center;gap:8px;display:flex}.player-chip--button{color:inherit;cursor:pointer;text-align:left;border:1px solid #cbd5e1}.profile-page{gap:18px;display:grid}.profile-topbar{margin-bottom:0}.profile-hero{color:#fff;background:linear-gradient(135deg,#0f172a,#1d4ed8);border-radius:24px;align-items:center;gap:18px;padding:24px;display:flex;box-shadow:0 18px 45px #0f172a2e}.profile-avatar{background:#ffffff29;border:2px solid #ffffff59;border-radius:50%;flex:none;place-items:center;width:76px;height:76px;font-size:1.4rem;font-weight:900;display:grid}.profile-hero span:not(.profile-avatar){color:#bfdbfe;letter-spacing:.05em;text-transform:uppercase;font-size:.78rem;font-weight:800}.profile-hero h2{margin:3px 0;font-size:clamp(1.5rem,5vw,2.2rem)}.profile-hero p{color:#dbeafe;margin:0}.profile-message{color:#334155;background:#fff;border-radius:14px;padding:14px 16px;box-shadow:0 8px 24px #0f172a0f}.profile-message--error{color:#991b1b;background:#fee2e2}.profile-stats{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.profile-stats article{background:#fff;border-radius:18px;gap:7px;min-height:112px;padding:18px;display:grid;box-shadow:0 10px 30px #0f172a12}.profile-stats span{color:#64748b;text-transform:uppercase;font-size:.76rem;font-weight:800}.profile-stats strong{align-self:end;font-size:1.65rem}.history-card{background:#fff;border-radius:22px;padding:20px;box-shadow:0 10px 30px #0f172a12}.history-list{gap:8px;margin-top:14px;display:grid}.history-row{border:1px solid #e2e8f0;border-radius:14px;grid-template-columns:110px minmax(0,1fr) auto;align-items:center;gap:12px;padding:12px;display:grid}.history-row>div{min-width:0;display:grid}.history-row small{color:#64748b;text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.history-row>b{font-size:1.05rem}.history-status{color:#334155;background:#e2e8f0;border-radius:999px;place-items:center;min-height:28px;padding:4px 8px;font-size:.68rem;font-weight:900;display:inline-grid}.history-status--concluida{color:#166534;background:#dcfce7}.history-status--em_andamento{color:#1d4ed8;background:#dbeafe}.history-status--abandonada,.history-status--cancelada{color:#9a3412;background:#ffedd5}@media (width<=700px){.home-header,.player-area{align-items:flex-start}.player-area{flex-wrap:wrap;justify-content:flex-end}.profile-stats{grid-template-columns:repeat(2,1fr)}.history-row{grid-template-columns:1fr auto}.history-status{justify-self:start}.history-row>div{grid-area:2/1/auto/-1}}@media (width<=460px){.profile-hero{align-items:flex-start;padding:18px}.profile-avatar{width:58px;height:58px}.profile-stats{grid-template-columns:1fr 1fr;gap:8px}.profile-stats article{min-height:96px;padding:14px}.profile-stats strong{font-size:1.3rem}}.hint-button{color:#92400e;cursor:pointer;background:#fef3c7;border:1px solid #f59e0b;border-radius:10px;width:100%;min-height:44px;margin-top:8px;font-weight:800}.number-match-page{width:min(100% - 24px,720px)}.number-status{grid-template-columns:repeat(4,1fr)}.number-match-help,.number-match-message{background:#fff;border-radius:12px;margin:12px 0;padding:12px 14px;box-shadow:0 8px 24px #0f172a0f}.number-match-board{background:#0f172a;border-radius:16px;grid-template-columns:repeat(9,minmax(0,1fr));gap:5px;padding:10px;display:grid}.match-cell{aspect-ratio:1;color:#0f172a;cursor:pointer;background:#fff;border:0;border-radius:8px;min-width:0;font-size:clamp(1rem,4vw,1.45rem);font-weight:900}.match-cell--selected{color:#fff;background:#2563eb;box-shadow:0 0 0 3px #93c5fd}.match-cell--removed{cursor:default;background:#ffffff14}.number-match-board--finished{background:#475569}.number-match-board--finished .match-cell{color:#64748b;box-shadow:none;cursor:default;background:#cbd5e1}.number-match-board--finished .match-cell--removed{background:#94a3b8}.number-match-message{color:#334155;text-align:center;font-weight:700}.number-match-actions{grid-template-columns:1fr 1fr;gap:8px;display:grid}.number-match-actions button{color:#fff;cursor:pointer;background:#2563eb;border:0;border-radius:12px;min-height:46px;font-weight:800}.number-match-actions button:last-child{background:#0f172a}.number-match-actions button:disabled{opacity:.5;cursor:default}@media (width<=480px){.number-status{grid-template-columns:repeat(2,1fr)}.number-status div:nth-child(3){border-top:1px solid #e2e8f0;border-left:0}.number-status div:nth-child(4){border-top:1px solid #e2e8f0}.number-match-board{gap:3px;padding:6px}.match-cell{border-radius:5px}.number-match-actions{grid-template-columns:1fr}}.sudoku-header-actions{align-items:center;gap:9px;display:flex}.current-difficulty{color:#1d4ed8;background:#eff6ff;border:1px solid #bfdbfe;border-radius:999px;padding:7px 10px;font-size:.72rem;font-weight:900}.number-pad{grid-template-columns:repeat(10,minmax(0,1fr))}.number-pad .erase-button{color:#991b1b;background:#fee2e2;border:0;width:auto;min-height:56px;margin-top:0;font-size:1.45rem}.number-pad .erase-button:disabled{color:#94a3b8;background:#cbd5e1}.difficulty-overlay{z-index:50;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0f172a9e;place-items:center;padding:18px;display:grid;position:fixed;inset:0}.difficulty-modal{background:#fff;border-radius:22px;width:min(100%,440px);padding:24px;position:relative;box-shadow:0 24px 70px #0f172a4d}.difficulty-modal h2{margin:0;font-size:1.65rem}.difficulty-description{color:#64748b;margin:8px 0 18px;line-height:1.45}.difficulty-options{gap:10px;display:grid}.difficulty-options button{color:#0f172a;text-align:left;cursor:pointer;background:#f8fafc;border:1px solid #cbd5e1;border-radius:14px;gap:3px;min-height:68px;padding:12px 15px;display:grid}.difficulty-options button:hover{background:#eff6ff;border-color:#2563eb}.difficulty-options strong{font-size:1rem}.difficulty-options small{color:#64748b}@media (width>=520px) and (height<=900px){.app:not(.home-page){width:min(100% - 24px,520px,100dvh - 315px);padding-top:10px;padding-bottom:42px}.topbar{margin-bottom:9px}.topbar h1{font-size:2.45rem}.status-card{margin-bottom:9px}.status-card div{padding:8px}.controls{margin-top:9px}.number-button,.number-pad .erase-button{min-height:50px}.hint-button{margin-top:7px}}@media (width<=430px){.current-difficulty{display:none}.number-pad{grid-template-columns:repeat(5,minmax(0,1fr));gap:5px}.number-pad .erase-button{min-height:50px}}.cell--hinted{z-index:2;background:#fef3c7;animation:.9s ease-in-out infinite alternate hint-pulse;position:relative;box-shadow:inset 0 0 0 4px #f59e0b}.sudoku-help-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:8px;display:grid}.hint-button{color:#334155;cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:10px;min-height:42px;font-weight:800}.hint-button:disabled{opacity:.55;cursor:default}.sudoku-message{color:#854d0e;text-align:center;background:#fef9c3;border-radius:10px;margin:8px 0 0;padding:9px 12px;font-size:.82rem;font-weight:700}.sound-button{cursor:pointer;background:#fff;border:1px solid #cbd5e1;border-radius:11px;place-items:center;width:42px;height:42px;display:grid}.victory-card--celebrate{animation:.42s ease-out victory-pop;overflow:hidden}.confetti{letter-spacing:.25rem;font-size:1.35rem;animation:.7s ease-in-out infinite alternate confetti-bounce}.match-cell--hinted{animation:.9s ease-in-out infinite alternate hint-pulse;box-shadow:inset 0 0 0 3px #f59e0b;color:#92400e!important;background:#fef3c7!important}.number-match-actions{grid-template-columns:repeat(3,minmax(0,1fr))}@keyframes hint-pulse{0%{transform:scale(.96)}to{transform:scale(1)}}@keyframes victory-pop{0%{opacity:0;transform:translateY(12px)scale(.96)}to{opacity:1;transform:none}}@keyframes confetti-bounce{0%{transform:translateY(-2px)rotate(-1deg)}to{transform:translateY(3px)rotate(1deg)}}@media (width<=560px){.number-match-actions{grid-template-columns:1fr}}.victory-overlay{z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0f172ab8;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.victory-modal{color:#14532d;text-align:center;background:#dcfce7;border:2px solid #86efac;border-radius:22px;gap:14px;width:min(100%,430px);padding:28px 24px 24px;display:grid;box-shadow:0 24px 70px #02061773}.victory-modal strong{font-size:1.65rem}.victory-modal span{line-height:1.5}.victory-modal button{color:#fff;min-height:48px;font:inherit;cursor:pointer;background:#0f172a;border:0;border-radius:12px;font-weight:900}.difficulty-cancel{color:#475569;cursor:pointer;background:#f8fafc;border:1px solid #cbd5e1;border-radius:12px;width:100%;margin-top:12px;padding:11px 14px;font-weight:800}.pause-button{color:#0f172a;cursor:pointer;background:#e2e8f0;border:0;border-radius:10px;padding:10px 14px;font-weight:800}.pause-button:disabled{opacity:.55;cursor:default}.sudoku-board-shell{width:100%;max-width:100%;margin-inline:auto;position:relative}.sudoku-board-shell--paused .board{background:#475569}.sudoku-board-shell--paused .cell{cursor:default;border-color:#94a3b8;color:#0000!important;box-shadow:none!important;background:#64748b!important}.pause-cover{color:#fff;z-index:5;background:#0f172ae0;border-radius:10px;place-items:center;font-size:clamp(1.25rem,4vw,2rem);font-weight:900;display:grid;position:absolute;inset:0}.number-match-board--paused{background:#334155;position:relative}.number-match-board--paused .match-cell{color:#0000;cursor:default;background:#64748b}.pause-message{text-align:center;color:#334155;margin:12px 0 0;font-weight:800}