@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.grid{display:grid}}:root{--ink:#17171b;--paper:#f6f5f1;--purple:#7457e8;--purple-dark:#5d43ce;--soft-purple:#e9e2ff;--line:#dedbd4}*{box-sizing:border-box}html{background:var(--paper)}body{background:linear-gradient(#7457e809 1px, transparent 1px), linear-gradient(90deg, #7457e809 1px, transparent 1px), radial-gradient(circle at 7% 20%, #ffd84d2b, transparent 20%), radial-gradient(circle at 93% 72%, #5bd68b21, transparent 22%), var(--paper);color:var(--ink);background-size:34px 34px,34px 34px,auto,auto,auto;margin:0;font-family:Arial,Apple SD Gothic Neo,Noto Sans KR,sans-serif}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit}.site-shell{isolation:isolate;min-height:100vh;position:relative;overflow:hidden}.topbar,.game-layout,.keyboard-guide,footer{z-index:1;position:relative}.page-blocks{z-index:0;pointer-events:none;position:absolute;inset:0;overflow:hidden}.page-block{opacity:.5;filter:drop-shadow(0 9px 12px #2a23421a);grid-template-rows:repeat(3,22px);grid-template-columns:repeat(3,22px);gap:3px;display:grid;position:absolute}.page-block i{border:1px solid #17171b17;border-radius:5px;display:block;box-shadow:inset 3px 3px #ffffff47,inset -2px -2px #0000000f}.page-block-i{grid-template-rows:22px;grid-template-columns:repeat(4,22px);top:145px;left:3.2%;transform:rotate(-16deg)}.page-block-i i{background:#42c7f5}.page-block-o{grid-template-rows:repeat(2,22px);grid-template-columns:repeat(2,22px);top:116px;right:5.5%;transform:rotate(12deg)}.page-block-o i{background:#ffd84d}.page-block-t{top:47%;left:4.8%;transform:rotate(14deg)}.page-block-t i{background:#a879f3}.page-block-t i:first-child{grid-area:1/1}.page-block-t i:nth-child(2){grid-area:1/2}.page-block-t i:nth-child(3){grid-area:1/3}.page-block-t i:nth-child(4){grid-area:2/2}.page-block-l{top:42%;right:4%;transform:rotate(-11deg)}.page-block-l i{background:#ff6f91}.page-block-l i:first-child{grid-area:1/1}.page-block-l i:nth-child(2){grid-area:2/1}.page-block-l i:nth-child(3){grid-area:3/1}.page-block-l i:nth-child(4){grid-area:3/2}.page-block-s{bottom:52px;right:10%;transform:rotate(9deg)}.page-block-s i{background:#5bd68b}.page-block-s i:first-child{grid-area:1/2}.page-block-s i:nth-child(2){grid-area:1/3}.page-block-s i:nth-child(3){grid-area:2/1}.page-block-s i:nth-child(4){grid-area:2/2}.topbar{border-bottom:1px solid #17171b1f;justify-content:space-between;align-items:center;width:min(1180px,100% - 40px);height:84px;margin:0 auto;display:flex}.brand{color:var(--ink);align-items:center;gap:10px;text-decoration:none;display:flex}.brand img{width:148px;height:auto;display:block}.brand b{background:var(--purple);color:#fff;letter-spacing:1.3px;border-radius:7px;padding:5px 9px;font-size:11px}.top-actions{align-items:center;gap:10px;display:flex}.icon-button,.help-button{cursor:pointer;background:#fff9;border:1px solid #17171b2e;height:40px}.icon-button{border-radius:50%;width:40px;font-size:20px;font-weight:800}.help-button{border-radius:999px;padding:0 17px;font-size:13px;font-weight:700}.icon-button:hover,.help-button:hover{background:#fff;transform:translateY(-1px)}.hero-copy{text-align:center;padding:48px 20px 32px}.eyebrow{color:var(--purple);text-transform:uppercase;letter-spacing:2.2px;margin:0 0 12px;font-size:12px;font-weight:900}.hero-copy h1{letter-spacing:-4px;margin:0;font-size:clamp(42px,5.4vw,70px);font-weight:950;line-height:.98}.hero-copy h1 em{color:var(--purple);font-style:normal}.hero-copy>p:last-child{color:#6d6a66;word-break:keep-all;max-width:490px;margin:20px auto 0;font-size:15px;line-height:1.7}.game-layout{grid-template-columns:180px 360px 180px;justify-content:center;align-items:start;gap:24px;width:min(930px,100% - 36px);margin:36px auto 0;display:grid}.game-center{width:360px}.board-frame{border:2px solid var(--ink);box-shadow:9px 11px 0 var(--soft-purple), 0 28px 70px #27204326;background:#25242a;border-radius:22px;padding:12px;position:relative}.board{aspect-ratio:1/2;background:#323138;border-radius:12px;grid-template-columns:repeat(10,1fr);gap:2px;padding:2px;display:grid;overflow:hidden}.cell{aspect-ratio:1;background:#1f1e23;border:1px solid #ffffff06;border-radius:4px}.cell.filled{box-shadow:inset 2px 2px #ffffff52,inset -2px -2px #00000026}.clear-effect{z-index:4;color:#fff;pointer-events:none;background:linear-gradient(135deg,#7457e8f5,#e95599f0);border:1px solid #ffffff70;border-radius:18px;justify-content:center;align-items:center;gap:10px;width:88%;min-height:74px;padding:14px 16px;animation:.92s both clear-pop;display:flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 16px 45px #7457e873}.clear-effect strong{letter-spacing:-.3px;font-size:18px}.clear-effect span{background:#fff3;border-radius:999px;padding:4px 8px;font-size:12px;font-weight:850}.clear-effect i{color:#fff3a6;font-style:normal;animation:.46s infinite alternate sparkle}.game-overlay{z-index:3;color:#fff;text-align:center;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#1a191edb;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;padding:24px;display:flex;position:absolute;inset:12px}.overlay-icon{background:var(--purple);color:#fff;border-radius:16px;place-items:center;width:52px;height:52px;margin-bottom:16px;font-size:22px;font-weight:900;display:grid;transform:rotate(-4deg)}.overlay-icon svg{width:27px;height:27px;transform:rotate(4deg)}.game-overlay h2{letter-spacing:-1.5px;margin:0;font-size:30px}.ready-game-title em{color:#a991ff;font-style:normal}.game-overlay p{color:#cfccd6;margin:9px 0 22px;font-size:13px}.primary-button{background:var(--purple);color:#fff;cursor:pointer;border:0;border-radius:999px;min-width:140px;height:48px;padding:0 22px;font-weight:850;box-shadow:0 8px 22px #7457e847}.primary-button:hover{background:var(--purple-dark);transform:translateY(-1px)}.stats-card{border:1px solid var(--line);background:#ffffffb8;border-radius:18px;box-shadow:0 7px 25px #1a191e09}.score-card{padding:24px 22px}.stats-card span{color:#817e78;font-size:12px;font-weight:700;display:block}.score-card strong{letter-spacing:-1.5px;margin-top:5px;font-size:30px;display:block}.score-card b{margin-top:5px;font-size:17px;display:block}.mini-rule{background:var(--line);height:1px;margin:19px 0}.right-panel{flex-direction:column;gap:14px;display:flex}.next-card{padding:20px 21px 22px}.next-grid{grid-template-columns:repeat(4,1fr);gap:3px;width:104px;margin:18px auto 1px;display:grid}.next-grid i{aspect-ratio:1;border-radius:4px;display:block}.next-grid i[style]{box-shadow:inset 2px 2px #ffffff52,inset -2px -2px #0000001f}.level-card{text-align:center;justify-content:space-between;padding:18px 20px;display:flex}.level-card div{flex:1}.level-card div+div{border-left:1px solid var(--line)}.level-card strong{margin-top:7px;font-size:23px;display:block}.pause-button{border:1px solid var(--ink);cursor:pointer;background:0 0;border-radius:12px;height:44px;font-size:13px;font-weight:800}.pause-button:hover:not(:disabled){background:var(--ink);color:#fff}.pause-button:disabled{opacity:.3;cursor:not-allowed}.controls{grid-template-columns:repeat(5,1fr);gap:8px;margin-top:22px;display:grid}.controls button{border:1px solid var(--line);cursor:pointer;height:50px;color:var(--ink);-webkit-user-select:none;user-select:none;touch-action:manipulation;background:#fff;border-bottom-width:3px;border-radius:14px;font-size:20px;font-weight:850}.controls button:active{border-bottom-width:1px;transform:translateY(2px)}.controls .rotate-button{background:var(--soft-purple);border-color:#c9bbf8}.controls .drop-button{background:var(--ink);border-color:var(--ink);color:#fff;letter-spacing:.8px;font-size:10px}.mobile-game-stage{display:contents}.mobile-side-rail,.mobile-board-hud,.mobile-pause-button{display:none}.keyboard-guide{color:#77736e;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 17px;width:min(650px,100% - 40px);margin:28px auto 0;font-size:11px;display:flex}.keyboard-guide span{align-items:center;gap:4px;display:flex}kbd{color:#353338;background:#fff;border:1px solid #d2cec7;border-bottom-width:2px;border-radius:6px;place-items:center;min-width:25px;height:23px;padding:0 6px;font-family:inherit;font-size:9px;font-weight:800;display:inline-grid}footer{color:#8a8782;border-top:1px solid #17171b1a;justify-content:space-between;align-items:center;width:min(1180px,100% - 40px);margin:54px auto 0;padding:24px 0 30px;font-size:12px;display:flex}footer p{margin:0}footer a{color:var(--ink);font-weight:800;text-decoration:none}footer a span{color:var(--purple)}.modal-backdrop{z-index:20;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#17171b8f;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.help-modal{background:var(--paper);border-radius:26px;width:min(430px,100%);padding:34px;position:relative;box-shadow:0 30px 90px #00000038}.help-modal h2{letter-spacing:-1.3px;word-break:keep-all;margin:0 0 24px;font-size:26px;line-height:1.3}.modal-close{cursor:pointer;background:#e9e6df;border:0;border-radius:50%;width:34px;height:34px;font-size:22px;position:absolute;top:18px;right:18px}.help-modal ol{gap:13px;margin:0 0 27px;padding:0;list-style:none;display:grid}.help-modal li{align-items:center;gap:13px;display:flex}.help-modal li>b{background:var(--soft-purple);height:36px;color:var(--purple);border-radius:11px;flex:0 0 36px;place-items:center;display:grid}.help-modal li span{color:#74706b;font-size:13px;line-height:1.5}.help-modal li strong{color:var(--ink);font-size:13px;display:block}.help-modal .primary-button{width:100%}@media (max-width:820px){body{background-size:26px 26px,26px 26px,auto,auto,auto}.page-block{opacity:.3;transform-origin:50%;gap:2px}.page-block-i{top:90px;left:-35px;transform:scale(.72)rotate(-16deg)}.page-block-o{top:92px;right:-10px;transform:scale(.72)rotate(12deg)}.page-block-t{top:48%;left:-28px;transform:scale(.68)rotate(14deg)}.page-block-l{top:43%;right:-25px;transform:scale(.68)rotate(-11deg)}.page-block-s{bottom:14px;right:3%;transform:scale(.68)rotate(9deg)}.topbar{height:70px}.hero-copy{padding:28px 18px 22px}.hero-copy h1{letter-spacing:-3px}.hero-copy>p:last-child{margin-top:14px}.game-layout{width:min(340px,100% - 28px);display:block}.game-center{width:100%}.score-card,.right-panel{display:none}.mobile-board-hud{color:#fff;background:#0f0e148c;border:1px solid #ffffff1a;border-radius:10px;grid-template-columns:1.25fr 1.25fr .75fr .9fr .65fr;align-items:center;height:44px;margin-bottom:5px;display:grid}.mobile-board-hud>div{text-align:center;min-width:0}.mobile-board-hud>div+div{border-left:1px solid #ffffff1a}.mobile-board-hud span{color:#ffffffb3;opacity:1;font-size:8px;line-height:1;display:block}.mobile-board-hud strong{color:#fff;opacity:1;margin-top:3px;font-size:14px;line-height:1;display:block}.mobile-board-hud>div:nth-child(2) strong{color:#cbbfff}.mobile-next-stat{flex-direction:column;justify-content:center;align-items:center;height:32px;display:flex}.mobile-next-grid{opacity:1;grid-template-columns:repeat(4,1fr);gap:1px;width:24px;margin-top:3px;display:grid}.mobile-next-grid i{aspect-ratio:1;opacity:1;border-radius:1px;display:block}.mobile-pause-button{color:#fff;cursor:pointer;opacity:1;background:0 0;border:0;border-left:1px solid #ffffff1a;border-radius:0 10px 10px 0;place-items:center;width:100%;height:100%;font-size:15px;font-weight:850;display:grid}.mobile-pause-button:disabled{opacity:.3}.keyboard-guide{display:none}footer{margin-top:38px}}@media (max-width:480px){body{background:linear-gradient(#7457e807 1px, transparent 1px), linear-gradient(90deg, #7457e807 1px, transparent 1px), var(--paper);background-size:24px 24px,24px 24px,auto}.page-block{opacity:.22}.topbar{width:calc(100% - 24px);height:62px}.brand img{width:116px}.brand b{font-size:9px}.icon-button,.help-button{height:36px}.icon-button{width:36px}.help-button{padding:0 11px;font-size:12px}.hero-copy{padding:21px 14px 18px}.hero-copy .eyebrow{margin-bottom:8px;font-size:10px}.hero-copy h1{letter-spacing:-2.5px;font-size:40px;line-height:.96}.hero-copy>p:last-child{max-width:310px;margin-top:12px;font-size:12px;line-height:1.55}.game-layout{width:min(320px,100% - 24px)}.board-frame{box-shadow:6px 7px 0 var(--soft-purple);border-radius:18px;padding:9px}.game-overlay{inset:9px}.controls{gap:5px;margin-top:12px}.controls button{border-radius:12px;height:46px;font-size:18px}.clear-effect{gap:7px;min-height:56px;padding:10px 12px}.clear-effect strong{font-size:15px}.clear-effect i{font-size:12px}footer{align-items:flex-start;gap:12px;width:calc(100% - 28px)}}@media (max-width:820px) and (orientation:portrait){html,body{overscroll-behavior:none;width:100%;height:100%;overflow:hidden}.site-shell{flex-direction:column;width:100%;height:100svh;min-height:0;display:flex;overflow:hidden}.topbar{flex:0 0 50px;width:calc(100% - 24px);height:50px}.brand img{width:108px}.brand b{padding:4px 7px;font-size:8px}.icon-button,.help-button{height:34px}.icon-button{width:34px;font-size:17px}.help-button{padding:0 10px;font-size:11px}.hero-copy{display:none}.game-layout{--mobile-game-width:min(calc(100vw - 16px), calc((100svh - 148px) / 2));width:100%;min-height:0;padding:4px 0 max(4px, env(safe-area-inset-bottom));flex:1;grid-template-columns:minmax(0,1fr);place-items:center;margin:0;display:grid}.game-center{width:clamp(238px, var(--mobile-game-width), 394px);flex-direction:column;grid-column:1;min-height:0;display:flex}.board-frame{width:100%;box-shadow:5px 6px 0 var(--soft-purple);border-radius:16px;padding:5px}.board{border-radius:10px;gap:1px;padding:1px}.cell{border-radius:3px}.game-overlay{border-radius:10px;padding:18px;inset:5px}.overlay-icon{border-radius:13px;width:42px;height:42px;margin-bottom:12px;font-size:18px}.game-overlay h2{font-size:25px}.game-overlay p{margin:6px 0 14px;font-size:11px}.primary-button{min-width:124px;height:42px}.mobile-board-hud{border-radius:9px;height:40px;margin-bottom:4px}.mobile-board-hud strong{font-size:13px}.mobile-next-stat{height:30px}.mobile-next-grid{width:23px}.mobile-pause-button{border-radius:0 9px 9px 0}.controls{gap:5px;margin-top:6px}.controls button{border-radius:12px;height:48px;font-size:19px}.controls .drop-button{font-size:9px}.keyboard-guide,footer{display:none}}@media (min-width:350px) and (max-width:820px) and (orientation:portrait){.game-layout{--mobile-board-width:min(calc(100vw - 57px), calc((100svh - 108px) / 2), 304px);padding-inline:0}.game-center{width:calc(var(--mobile-board-width) + 49px);align-items:stretch}.mobile-game-stage{grid-template-columns:minmax(238px, var(--mobile-board-width)) 44px;justify-content:center;align-items:stretch;gap:5px;width:100%;display:grid}.mobile-game-stage .board-frame{grid-column:1;width:100%}.mobile-board-hud{display:none}.mobile-side-rail{min-width:0;color:var(--ink);flex-direction:column;display:flex}.mobile-side-rail-right{grid-column:2;gap:6px}.mobile-side-stat,.mobile-side-next,.mobile-side-pause{border:1px solid var(--line);opacity:1;background:#ffffffc2;border-radius:11px;box-shadow:0 4px 12px #1a191e0b}.mobile-side-stat{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:62px;padding:5px 2px;display:flex}.mobile-side-stat span,.mobile-side-next span{color:#817e78;opacity:1;font-size:8px;font-weight:750;line-height:1}.mobile-side-stat strong{max-width:100%;color:var(--ink);letter-spacing:-.65px;opacity:1;margin-top:6px;font-size:12px;line-height:1}.mobile-side-stat:nth-child(2) strong{color:var(--purple);font-size:11px}.mobile-side-next{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:86px;padding:7px 3px;display:flex}.mobile-side-next-grid{opacity:1;grid-template-columns:repeat(4,1fr);gap:1px;width:31px;margin-top:8px;display:grid}.mobile-side-next-grid i{aspect-ratio:1;opacity:1;border-radius:2px;display:block}.mobile-side-next-grid i[style]{box-shadow:inset 1px 1px #ffffff57,inset -1px -1px #0000001f}.mobile-side-pause{border-color:var(--ink);width:44px;height:54px;color:var(--ink);cursor:pointer;touch-action:manipulation;place-items:center;margin-top:auto;font-size:17px;font-weight:900;display:grid}.mobile-side-pause:hover:not(:disabled),.mobile-side-pause:active:not(:disabled){background:var(--ink);color:#fff}.mobile-side-pause:disabled{opacity:.3}.controls{width:var(--mobile-board-width);margin-left:0;margin-right:49px}}@media (max-width:349px) and (orientation:portrait){.game-center{width:clamp(184px,min(100vw - 16px,50svh - 81px),230px)}}@media (max-height:820px) and (min-width:821px){.hero-copy{padding-top:30px;padding-bottom:23px}.hero-copy h1{font-size:52px}.hero-copy>p:last-child{margin-top:14px}.game-center{width:310px}.game-layout{grid-template-columns:170px 310px 170px}}@media (prefers-reduced-motion:no-preference){button,a{transition:transform .16s,background .16s,color .16s}}@keyframes clear-pop{0%{opacity:0;transform:translate(-50%,-50%)scale(.62)rotate(-2deg)}18%{opacity:1;transform:translate(-50%,-50%)scale(1.06)rotate(1deg)}72%{opacity:1;transform:translate(-50%,-50%)scale(1)}to{opacity:0;transform:translate(-50%,-62%)scale(.92)}}@keyframes sparkle{to{opacity:.65;transform:scale(1.45)rotate(18deg)}}@media (prefers-reduced-motion:reduce){.clear-effect,.clear-effect i{animation:none}}