@charset "UTF-8";
:root{--bg:#f6f5ef;--paper:#fffefa;--ink:#1e332c;--muted:#647268;--line:#dfe3d9;--green:#173f35;--soft:#e9eee5;--accent:#eacda2;--warm:#f2e7d4;--danger:#943f35;--radius:18px;--font:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR",Segoe UI,sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);font-family:var(--font);color:var(--ink);line-height:1.6;font-size:15px}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #bd8442;outline-offset:4px}h1,h2,h3,p{margin-top:0}h1{font-size:36px;line-height:1.3;letter-spacing:-1.1px;font-weight:750}h2{font-size:22px;line-height:1.4;letter-spacing:-.5px}h3{font-size:17px;line-height:1.5;margin-bottom:8px}p{margin-bottom:14px}small,.muted{color:var(--muted)}.shell{display:grid;grid-template-columns:230px minmax(0,1fr);min-height:100dvh}.sidebar{padding:36px 22px;background:#eeefe7;border-right:1px solid var(--line);position:sticky;top:0;height:100dvh;display:flex;flex-direction:column;gap:34px}.brand{display:flex;gap:11px;align-items:center}.brand-stones{display:inline-block;width:34px;height:34px;position:relative;flex-shrink:0}.brand-stones:before,.brand-stones:after{content:"";position:absolute;width:22px;height:22px;border-radius:50%;top:0;left:0;background:#22362e;box-shadow:0 2px 3px #0002}.brand-stones:after{top:12px;left:12px;background:#fffef9;border:1px solid #b7beb0}.brand strong{font-size:16px;letter-spacing:-.5px}.brand small{display:block;font-size:10px;letter-spacing:2px}.nav{display:flex;flex-direction:column;gap:6px}.nav a{padding:12px 14px;border-radius:10px;color:#54665b;display:flex;gap:12px;align-items:center;font-weight:600}.nav a.active{background:var(--green);color:#fff}.nav a:hover:not(.active){background:#e0e7dc}.icon{width:20px;height:20px;flex-shrink:0;vertical-align:middle}.sidebar-note{margin-top:auto;border-top:1px solid 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.88fr;border-radius:22px;background:var(--green);color:#fffdf5;overflow:hidden;min-height:335px}.hero-copy{padding:35px 34px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.hero .eyebrow{color:#cbd8bd}.hero h1{font-size:39px;letter-spacing:-1.3px;margin-bottom:16px}.hero p{color:#d0dccd;font-size:14px;max-width:310px}.hero .btn{background:var(--accent);color:#263b2e;border-color:var(--accent)}.hero-art{display:flex;align-items:center;justify-content:center;padding:30px;background:radial-gradient(ellipse at center,#50785b44,transparent 75%);position:relative}.hero-board{width:240px;max-width:100%;transform:rotate(-6deg);box-shadow:0 14px 30px #061a1433;border-radius:10px;overflow:hidden}.hero-quote{position:absolute;bottom:22px;left:16px;right:16px;text-align:center;font-family:Georgia,serif;font-size:18px;color:#faf3df}.btn{min-height:44px;border:1px solid var(--green);background:var(--green);color:#fffdf5;border-radius:10px;padding:10px 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#cbd5c4;border-radius:14px;color:var(--muted);background:#fdfbf4}.back{margin-bottom:18px}.practice-layout{display:grid;grid-template-columns:minmax(270px,.95fr) minmax(300px,1.05fr);gap:24px;align-items:start}.board-panel{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:20px;position:sticky;top:24px}.board-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;font-size:12px;color:var(--muted)}.board-title strong{color:var(--ink);font-size:13px}.board-wrap{width:100%;border-radius:11px;overflow:hidden;background:#e5c690;border:1px solid #d3b37b}.go-board{display:block;width:100%;height:auto;user-select:none;-webkit-user-select:none;touch-action:manipulation}.board-footer{display:flex;justify-content:space-between;align-items:center;margin-top:13px;gap:9px}.board-footer span{font-size:12px;color:var(--muted)}.board-nav{display:flex;gap:5px}.square-btn{width:38px;height:38px;border-radius:8px;border:1px solid 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h2{font-size:18px}.text-input{width:100%;border:1px solid #ccd6c4;background:#fbfcf6;border-radius:9px;padding:11px;margin:8px 0 10px}.status-line{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:10px 0;font-size:13px}.status-line:last-child{border:0}.status-ready{color:#507046}.file-control{border:1px dashed #afc09e;display:block;padding:18px;border-radius:10px;background:#f7f9f0;cursor:pointer;font-size:13px;margin:15px 0}.file-control input{display:block;font-size:12px;margin-top:8px;width:100%}.pattern-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.pattern-card{border:1px solid var(--line);border-radius:14px;background:var(--paper);padding:22px}.pattern-card h3{font:22px/1.4 Georgia,serif;margin:14px 0}.pattern-card p{font-size:13px}.pattern-card .english{color:#52624c}.hint-toggle{margin-bottom:5px}.checkpoint{padding:30px}.checkpoint-icon{width:55px;height:55px;border:1px solid #a1b28b;border-radius:50%;background:#e7efd9;display:flex;align-items:center;justify-content:center;margin-bottom:18px}.checkpoint-icon .icon{width:26px;height:26px}.review-items{display:flex;gap:8px;flex-wrap:wrap}.review-items a{font-size:12px;padding:8px 12px;border-radius:8px;background:#edf1e4;border:1px solid #d5dfc7}.preview-banner{font-size:12px;background:#f3ead9;border:1px solid #e4d4b7;border-radius:10px;padding:11px 16px;margin-bottom:22px;color:#7c643f}.mobile-brand{display:none}.loading{display:flex;min-height:70dvh;align-items:center;justify-content:center;gap:15px}.skip-link{position:fixed;top:-80px;left:12px;z-index:10;background:var(--green);color:white;padding:10px}.skip-link:focus{top:10px}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);z-index:25;background:#203c31;color:#fff;padding:12px 20px;border-radius:12px;font-size:13px;box-shadow:0 4px 20px #0002;max-width:90vw;opacity:0;pointer-events:none;transition:opacity .15s}#toast.visible{opacity:1}dialog{border:1px solid var(--line);border-radius:18px;background:var(--paper);padding:28px;max-width:460px;width:90%;color:var(--ink)}dialog::backdrop{background:#19372866}dialog h2{font-size:20px}dialog p{font-size:14px}.danger-btn{color:var(--danger)!important}.hidden{display:none!important}.screen-reader-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1450px){.main{padding-top:45px}.hero{min-height:360px}.hero-board{width:270px}}
@media(max-width:1100px){.shell{grid-template-columns:200px minmax(0,1fr)}.sidebar{padding:30px 16px}.main{padding:28px 28px 50px}.topbar{padding:0 28px}.hero h1{font-size:34px}.hero-copy{padding:28px}.hero-art{padding:20px}.hero-board{width:210px}.lesson-grid,.phrase-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.practice-layout{gap:18px;grid-template-columns:minmax(240px,.95fr) minmax(265px,1.05fr)}.panel{padding:21px}.board-panel{padding:16px}}
@media(max-width:800px){.shell{display:block}.sidebar{position:fixed;bottom:0;top:auto;height:auto;width:100%;z-index:15;padding:7px 12px calc(7px + env(safe-area-inset-bottom));background:#fffdf6f5;backdrop-filter:blur(14px);border-top:1px solid var(--line);border-right:0;display:block}.sidebar>.brand,.sidebar-note{display:none}.nav{display:grid;grid-template-columns:repeat(5,1fr);gap:4px}.nav a{display:flex;flex-direction:column;gap:3px;padding:6px 2px;font-size:10px;border-radius:9px}.nav a .icon{width:19px;height:19px}.nav a.active{background:#e8efdd;color:var(--green)}.topbar{height:73px;padding:0 22px}.topbar>.eyebrow{display:none}.mobile-brand{display:flex}.topbar .badge{font-size:10px;padding:3px 9px}.main{padding:27px 22px 110px}.hero{min-height:300px}.hero h1{font-size:32px}.hero-copy{padding:26px}.hero-art{padding:16px}.hero-board{width:195px}.hero-quote{font-size:15px;bottom:17px}.stats .stat{padding:14px 16px}.stat strong{font-size:20px}.settings-grid{grid-template-columns:1fr}.board-panel{position:static}.practice-layout{grid-template-columns:minmax(240px,.95fr) minmax(260px,1.05fr)}#toast{bottom:90px}}
@media(max-width:600px){h1{font-size:29px}.main{padding:24px 18px 110px}.topbar{padding:0 18px}.hero{grid-template-columns:1fr;min-height:0;position:relative}.hero-copy{padding:28px 25px 26px;min-height:295px;position:relative;z-index:1}.hero h1{font-size:32px;margin-bottom:16px}.hero p{max-width:205px;font-size:12px;line-height:1.8;margin-bottom:22px}.hero-art{position:absolute;right:-20px;top:57px;width:190px;opacity:.45;transform:rotate(9deg);padding:0}.hero-board{width:185px;transform:rotate(-8deg)}.hero-quote{display:none}.hero-copy .eyebrow{font-size:10px}.hero .btn{min-height:43px;font-size:13px}.stats{margin-top:14px}.stats .stat{padding:12px 14px}.stat strong{font-size:21px}.stat small{font-size:10px}.stat span{font-size:10px}.header-row{margin-bottom:16px}.header-row h2{font-size:19px}.section{margin-top:29px}.lesson-grid{gap:10px}.lesson-card{min-height:153px;padding:17px}.lesson-card h3{font-size:13px;line-height:1.55}.lesson-card .number{font-size:24px;margin-bottom:16px}.card-bottom{font-size:10px}.quick-grid{gap:10px}.quick-card{padding:20px 17px}.quick-card h3{font-size:17px}.quick-card p{font-size:12px}.phrase-grid{gap:10px}.phrase-card{padding:17px 15px;min-height:179px}.phrase-card .term{font-size:20px}.phrase-card .english{font-size:11px}.phrase-card h3{font-size:12px}.practice-layout{display:flex;flex-direction:column;gap:17px}.board-panel{width:100%;padding:16px}.board-wrap{max-width:420px;margin:auto}.board-title{margin-bottom:11px}.board-caption{font-size:11px}.practice-main{width:100%;gap:14px}.panel{padding:22px}.model-sentence{font-size:29px;margin-top:12px}.lesson-nav{margin-top:20px}.intro{margin-bottom:23px}.intro p{font-size:13px}.pattern-grid{grid-template-columns:1fr}.pattern-card{padding:22px}.preview-banner{font-size:11px;padding:10px 13px}.back{margin-bottom:13px}.stepper{margin:17px 0}.record-note{font-size:11px}.board-footer{margin-top:10px}.button-row .btn{flex-grow:1}.checkpoint{padding:25px}.header-row .btn{padding:6px 10px}.saved-record{padding:17px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.mobile-model{display:none}@media(max-width:600px){.mobile-model{display:block;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:15px}.mobile-sentence{font:25px/1.35 Georgia,serif;margin:0 0 6px}.mobile-model .meaning{font-size:12px;margin-bottom:12px}.mobile-model .audio-note{font-size:10px}}