/* 반려동물 캡스톤디자인 클래스 — 따뜻한 크림 + 숲 녹색 + 코랄 포인트 */
:root{
  --bg:#fbf7ef; --paper:#fff; --ink:#1f2a27; --ink2:#3b4743; --muted:#6b756f; --line:#e7dfd0; --line2:#d9cfbd;
  --green:#1f4d45; --green2:#2e6b5f; --green-soft:#e3efe9; --coral:#d9663f; --coral-d:#b94f2c; --coral-soft:#fbe7dd;
  --amber:#c98a12; --amber-soft:#fbf0d6; --violet:#5b4fa8; --violet-soft:#ebe8f7; --red:#b42318; --red-soft:#fde8e6;
  --radius:14px; --shadow:0 1px 2px rgba(31,42,39,.05),0 6px 20px rgba(31,42,39,.06);
  --font:"Pretendard","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.65;word-break:keep-all;overflow-wrap:anywhere}
a{color:var(--green2)}
img{max-width:100%;height:auto}
h1,h2,h3,h4{line-height:1.3;margin:0 0 .5em;letter-spacing:-.01em}
p{margin:0 0 1em}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.muted{color:var(--muted)}
.small{font-size:.875rem}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:99}
:focus-visible{outline:3px solid var(--coral);outline-offset:2px}

/* 헤더 */
.top{background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:40}
.top-in{max-width:1280px;margin:0 auto;padding:0 20px;height:66px;display:flex;align-items:center;gap:22px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex-shrink:0}
.logo-mark{width:36px;height:36px;border-radius:10px;background:var(--green);color:#fff;display:grid;place-items:center}
.logo-t{display:flex;flex-direction:column;line-height:1.15}.logo-t b{font-size:15.5px}.logo-t small{font-size:11.5px;color:var(--coral);font-weight:600}
.gnb{display:flex;gap:2px;flex:1}
.gnb a{padding:8px 11px;border-radius:8px;text-decoration:none;color:var(--ink2);font-weight:600;font-size:15px;white-space:nowrap}
.gnb a:hover{background:var(--bg)}.gnb a.on{color:var(--green);background:var(--green-soft)}
.util{display:flex;align-items:center;gap:10px;font-size:14px;flex-shrink:0}
.util a{text-decoration:none;color:var(--ink2)}
.util .me{font-weight:600}
.chip{padding:4px 10px;border-radius:99px;font-size:12.5px;font-weight:700}
.chip-admin{background:var(--coral-soft);color:var(--coral-d)!important}
.bell{position:relative;display:grid;place-items:center;width:36px;height:36px;border-radius:50%}
.bell:hover{background:var(--bg)}
.bell i{position:absolute;top:2px;right:0;background:var(--coral);color:#fff;font-style:normal;font-size:10.5px;font-weight:700;min-width:17px;height:17px;border-radius:9px;display:grid;place-items:center;padding:0 4px}
.nav-toggle{display:none;margin-left:auto;background:none;border:0;width:40px;height:40px;padding:9px;cursor:pointer}
.nav-toggle span{display:block;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}
.subnav{background:var(--green);position:sticky;top:66px;z-index:30}
.subnav-in{max-width:1280px;margin:0 auto;padding:0 14px;display:flex;gap:2px;overflow-x:auto;scrollbar-width:thin}
.subnav a{color:#d6e6e0;text-decoration:none;padding:11px 12px;font-size:14px;font-weight:600;white-space:nowrap;border-bottom:3px solid transparent}
.subnav a:hover{color:#fff}.subnav a.on{color:#fff;border-bottom-color:var(--coral)}

/* 플래시 */
.flash{padding:12px 0;font-weight:600;font-size:15px}
.flash-ok{background:var(--green-soft);color:var(--green)}
.flash-error{background:var(--red-soft);color:var(--red)}
.flash-info{background:var(--amber-soft);color:#7a5408}

/* 버튼 · 입력 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--green);color:#fff;border:0;border-radius:10px;padding:11px 18px;font:600 15px var(--font);text-decoration:none;cursor:pointer;line-height:1.2;transition:background .15s}
.btn:hover{background:var(--green2)}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn-coral{background:var(--coral)}.btn-coral:hover{background:var(--coral-d)}
.btn-line{background:#fff;color:var(--green);box-shadow:inset 0 0 0 1.5px var(--green)}.btn-line:hover{background:var(--green-soft)}
.btn-ghost{background:transparent;color:var(--ink2);box-shadow:inset 0 0 0 1px var(--line2)}.btn-ghost:hover{background:#fff}
.btn-danger{background:#fff;color:var(--red);box-shadow:inset 0 0 0 1.5px #e7b4ae}.btn-danger:hover{background:var(--red-soft)}
.btn-sm{padding:7px 12px;font-size:13.5px;border-radius:8px}
.btn-lg{padding:15px 26px;font-size:17px;border-radius:12px}
.btn-block{width:100%}
label{font-weight:600;font-size:14.5px;display:block;margin-bottom:6px}
.inp,input:not([type]),input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=datetime-local],input[type=search],input[type=url],select,textarea{width:100%;border:1.5px solid var(--line2);border-radius:10px;padding:11px 13px;font:15.5px var(--font);color:var(--ink);background:#fff}
textarea{min-height:110px;resize:vertical;line-height:1.6}
input:focus,select:focus,textarea:focus{border-color:var(--green2);outline:none;box-shadow:0 0 0 3px rgba(46,107,95,.15)}
.fg{margin-bottom:18px}
.fg .hint{font-size:13px;color:var(--muted);margin-top:5px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.check{display:flex;gap:9px;align-items:flex-start;font-weight:500;font-size:15px;cursor:pointer;margin-bottom:8px}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--green);flex-shrink:0}
.req{color:var(--coral)}
.inline-form{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-end}
.inline-form .fg{margin:0}

/* 카드 */
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.card h2{font-size:19px}.card h3{font-size:17px}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px}
.card-head h2,.card-head h3{margin:0}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.stack>*+*{margin-top:18px}
.section{padding:36px 0}

/* 제목 영역 */
.ptitle{background:var(--paper);border-bottom:1px solid var(--line)}
.ptitle-in{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;padding-top:28px;padding-bottom:22px}
.ptitle h1{font-size:27px;margin:0}
.ptitle p{margin:6px 0 0;color:var(--muted)}
.crumb{font-size:13.5px;color:var(--muted);margin-bottom:6px}.crumb a{color:var(--muted)}

/* 배지 */
.badge{display:inline-block;padding:3px 9px;border-radius:99px;font-size:12.5px;font-weight:700;white-space:nowrap;background:#eee;color:#555;line-height:1.5}
.st-none{background:#f1efe9;color:#8a8a80}
.st-draft{background:#e8eef6;color:#35557d}
.st-submitted{background:var(--amber-soft);color:#7a5408}
.st-reviewing{background:var(--violet-soft);color:var(--violet)}
.st-revision{background:var(--coral-soft);color:var(--coral-d)}
.st-completed{background:var(--green-soft);color:var(--green)}
.st-closed{background:#f1efe9;color:#aaa}
.b-active{background:var(--green-soft);color:var(--green)}.b-scheduled{background:#e8eef6;color:#35557d}.b-expired{background:#f1efe9;color:#7b7b70}.b-revoked{background:var(--red-soft);color:var(--red)}
.b-waiting{background:var(--amber-soft);color:#7a5408}.b-answered{background:var(--green-soft);color:var(--green)}.b-followup{background:var(--coral-soft);color:var(--coral-d)}.b-resolved{background:#f1efe9;color:#6b6b60}
.b-new{background:var(--coral);color:#fff}

/* 표 */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff}
table.tbl{width:100%;border-collapse:collapse;font-size:14.5px}
.tbl th{background:#f7f2e8;text-align:left;padding:10px 12px;font-weight:700;color:var(--ink2);white-space:nowrap;border-bottom:1px solid var(--line)}
.tbl td{padding:10px 12px;border-bottom:1px solid #f0eadf;vertical-align:middle}
.tbl tr:last-child td{border-bottom:0}
.tbl tr:hover td{background:#fdfbf6}
.tbl .num{text-align:right}
.tbl .nowrap{white-space:nowrap}
.empty{text-align:center;padding:50px 20px;color:var(--muted)}
.empty h2{color:var(--ink)}

/* 홈 */
.hero{background:linear-gradient(160deg,#173d37 0%,#1f4d45 55%,#2a5f54 100%);color:#fff;overflow:hidden;position:relative}
.hero-in{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding-top:64px;padding-bottom:64px}
.hero .kicker{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:5px 12px;border-radius:99px;font-size:13.5px;font-weight:600;color:#ffd9c9;margin-bottom:18px}
.hero h1{font-size:44px;line-height:1.22;margin-bottom:18px;letter-spacing:-.02em}
.hero h1 em{font-style:normal;color:#ffb48f}
.hero p.lead{font-size:18px;color:#d5e6e0;max-width:540px}
.hero .ops{font-size:14px;color:#a9c8be;margin-top:26px}
.hero-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.hero-cta .btn-line{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.55)}
.hero-cta .btn-line:hover{background:rgba(255,255,255,.08)}
.hero-book{justify-self:center;position:relative}
.hero-book img{width:300px;border-radius:6px 14px 14px 6px;box-shadow:-10px 18px 40px rgba(0,0,0,.35),inset 4px 0 0 rgba(0,0,0,.2);transform:rotate(2deg)}
.hero-book .tag{position:absolute;left:-36px;bottom:40px;background:#fff;color:var(--ink);border-radius:12px;padding:10px 14px;font-size:13.5px;font-weight:700;box-shadow:var(--shadow);transform:rotate(-3deg)}
.hero-book .tag b{color:var(--coral)}
.flow{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;counter-reset:f}
.flow li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 12px;text-align:center;position:relative;counter-increment:f}
.flow li::before{content:counter(f);display:grid;place-items:center;width:28px;height:28px;margin:0 auto 8px;border-radius:50%;background:var(--green-soft);color:var(--green);font-weight:800;font-size:14px}
.flow li b{display:block;font-size:16px}.flow li span{font-size:13px;color:var(--muted)}
.flow li:not(:last-child)::after{content:"→";position:absolute;right:-10px;top:50%;transform:translateY(-50%);color:var(--coral);font-weight:800;z-index:1}
.sec-h{text-align:center;margin-bottom:28px}
.sec-h .eyebrow{color:var(--coral);font-weight:800;font-size:13.5px;letter-spacing:.06em}
.sec-h h2{font-size:30px;margin:6px 0}
.sec-h p{color:var(--muted)}
.part-row{display:grid;grid-template-columns:110px 1fr;gap:14px;align-items:start;padding:14px 0;border-bottom:1px dashed var(--line2)}
.part-row:last-child{border-bottom:0}
.part-name{font-weight:800;color:var(--green);font-size:17px}
.part-name small{display:block;color:var(--muted);font-weight:600;font-size:12.5px}
.weeks{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:8px}
.wk{display:flex;gap:10px;align-items:baseline;background:var(--bg);border-radius:10px;padding:9px 12px;font-size:14.5px}
.wk b{background:var(--green);color:#fff;border-radius:6px;padding:1px 7px;font-size:12.5px;flex-shrink:0}
.wk small{display:block;color:var(--muted);font-size:12.5px}
.info-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.info-grid div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.info-grid dt{font-size:13px;color:var(--coral);font-weight:800}.info-grid dd{margin:4px 0 0;font-weight:600;font-size:15px}
.preview-box{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center}
.preview-box img{border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow)}
.teacher{display:grid;grid-template-columns:120px 1fr;gap:22px;align-items:start}
.teacher .ph{width:120px;height:120px;border-radius:50%;background:var(--green-soft);display:grid;place-items:center;color:var(--green)}
.teacher ul{margin:8px 0 0;padding-left:18px;color:var(--ink2);font-size:15px}
.case{border-left:4px solid var(--coral)}
.case .lbl{font-size:12.5px;font-weight:800;color:var(--coral)}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
.faq summary{font-weight:700;cursor:pointer}
.faq details p{margin:10px 0 0;color:var(--ink2)}

/* 강의실 */
.dash-top{display:grid;grid-template-columns:1.4fr 1fr;gap:18px}
.next-card{background:var(--green);color:#fff;border:0}
.next-card h2{color:#fff}
.next-card .muted{color:#b9d3ca}
.next-card .btn{background:var(--coral)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14.5px}
.kv dt{color:var(--muted)}.kv dd{margin:0;font-weight:600}
.meter{height:8px;background:#efe9dc;border-radius:5px;overflow:hidden;margin:6px 0 2px}
.meter i{display:block;height:100%;background:var(--green2);border-radius:5px}
.meter.coral i{background:var(--coral)}
.stat{font-size:28px;font-weight:800;color:var(--green);line-height:1.1}
.stat small{font-size:14px;color:var(--muted);font-weight:600}
.list{list-style:none;margin:0;padding:0}
.list li{padding:10px 0;border-bottom:1px solid #f0eadf;display:flex;justify-content:space-between;gap:10px;align-items:center}
.list li:last-child{border-bottom:0}
.notice-item a{text-decoration:none;color:var(--ink);font-weight:600}

/* 교재 목록 · 뷰어 */
.tb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:14px}
.tb-card{display:flex;flex-direction:column;gap:6px}
.tb-card .wkno{font-size:13px;font-weight:800;color:var(--coral)}
.tb-card h3{margin:0;font-size:17px}
.tb-card .meta{font-size:13px;color:var(--muted)}
.tb-card .acts{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto;padding-top:10px}
.tb-card.locked{opacity:.85;background:#fbf9f4}
.access{font-size:13.5px;padding:8px 10px;border-radius:8px;background:var(--bg)}
.access.ok{background:var(--green-soft);color:var(--green)}
.access.warn{background:var(--amber-soft);color:#7a5408}
.access.no{background:#f3efe7;color:#6b6b60}
.viewer-body{background:#3a403e}
.viewer-bar{position:sticky;top:0;z-index:20;background:#232826;color:#fff;display:flex;align-items:center;gap:8px;padding:8px 12px;flex-wrap:wrap}
.viewer-bar .t{font-weight:700;font-size:14.5px;margin-right:auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.viewer-bar button,.viewer-bar a{background:#3b423f;color:#fff;border:0;border-radius:8px;padding:7px 11px;font:600 13.5px var(--font);cursor:pointer;text-decoration:none}
.viewer-bar button:hover,.viewer-bar a:hover{background:#4d5551}
.viewer-bar input{width:58px;padding:6px;border-radius:7px;border:0;text-align:center;font-weight:700}
.viewer-bar .exp{font-size:12.5px;color:#ffcfba}
.viewer-stage{display:flex;justify-content:center;padding:18px 10px 60px;min-height:calc(100vh - 54px);-webkit-user-select:none;user-select:none}
.viewer-stage canvas{background:#fff;box-shadow:0 6px 30px rgba(0,0,0,.4);max-width:none}
.viewer-msg{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(20,24,22,.86);z-index:50;padding:20px}
.viewer-msg .card{max-width:440px;text-align:center}
@media print{.viewer-body *{display:none!important}.viewer-body::after{content:"이 교재는 온라인 열람 전용입니다.";display:block!important}}

/* 실습실 */
.wk-table td.t a{font-weight:700;text-decoration:none;color:var(--ink)}
.split{display:grid;grid-template-columns:45fr 55fr;gap:0;height:calc(100vh - 66px - 64px);min-height:520px;border-top:1px solid var(--line)}
.split-head{background:#fff;border-bottom:1px solid var(--line);padding:10px 20px;display:flex;align-items:center;gap:12px;flex-wrap:wrap;min-height:64px}
.split-head h1{font-size:19px;margin:0}
.split-head .meta{font-size:13.5px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap}
.pane{overflow-y:auto;padding:22px 24px 40px;-webkit-overflow-scrolling:touch}
.pane-sample{background:#f6f1e6;border-right:1px solid var(--line)}
.pane-form{background:#fff}
.sample-flag{display:inline-block;background:var(--coral);color:#fff;font-size:12px;font-weight:800;border-radius:6px;padding:2px 8px;margin-bottom:8px}
.sample-sheet{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:18px;scroll-margin-top:12px}
.sample-sheet h3{font-size:16px;margin-bottom:6px}
.sample-sheet .guide{font-size:14px;color:var(--ink2)}
.sample-sheet img{border:1px solid var(--line);border-radius:8px;margin:6px 0;cursor:zoom-in}
.sample-sheet ul{font-size:14px;padding-left:18px;color:var(--ink2)}
.sample-goals{background:#fff;border-radius:12px;padding:14px 16px;margin-bottom:16px;border:1px solid var(--line)}
.sample-goals ul{margin:4px 0 0;padding-left:18px;font-size:14px}
.sample-sheet.hl{box-shadow:0 0 0 3px var(--coral)}
.fsec{border:1px solid var(--line);border-radius:12px;padding:16px 16px 6px;margin-bottom:16px;scroll-margin-top:12px}
.fsec>h3{font-size:16px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.fsec>h3 button{font-size:12.5px;background:var(--bg);border:0;border-radius:6px;padding:4px 8px;cursor:pointer;color:var(--green);font-weight:700;white-space:nowrap}
.fsec .sh{font-size:13.5px;color:var(--muted);margin-top:-4px}
.fsec textarea.table{min-height:170px}
.fsec .fl{font-size:14.5px}
.save-bar{position:sticky;bottom:0;background:linear-gradient(to top,#fff 75%,rgba(255,255,255,0));padding:16px 0 4px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.save-state{font-size:13px;color:var(--muted);margin-right:auto}
.save-state.err{color:var(--red);font-weight:700}
.save-state.ok{color:var(--green)}
.tabs-m{display:none}
.coach-box{border:2px solid var(--coral);background:#fffaf6;border-radius:12px;padding:12px 16px;margin-bottom:16px}
.coach-box summary{font-weight:800;color:var(--coral-d);cursor:pointer}
.coach-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:10px 0}
.coach-head{margin-bottom:8px}
.coach-f{margin:10px 0}.coach-f b{display:block;font-size:13.5px;color:var(--green)}
.coach-f.memo{background:var(--amber-soft);padding:10px;border-radius:8px}
.att-list{list-style:none;padding:0;margin:8px 0}
.att-list li{display:flex;align-items:center;gap:8px;padding:5px 0;font-size:14px;flex-wrap:wrap}
.att-thumb{width:56px;height:56px;object-fit:cover;border-radius:6px;border:1px solid var(--line)}
.att-list button{background:none;border:0;color:var(--red);cursor:pointer;font-size:13px}
.drop{border:2px dashed var(--line2);border-radius:12px;padding:16px;text-align:center;color:var(--muted);font-size:14px;cursor:pointer}
.drop.on{border-color:var(--green2);background:var(--green-soft)}
.snap-sec{border-top:1px solid var(--line);padding:12px 0}
.snap-sec h4{font-size:15px;color:var(--green)}
.snap-f{margin:8px 0}
.snap-l{font-size:13px;font-weight:700;color:var(--muted)}
.snap-v{background:#fbf9f4;border-radius:8px;padding:8px 10px;font-size:14.5px;white-space:normal}
.snap-f.changed .snap-v{background:#fff6e9;box-shadow:inset 3px 0 0 var(--amber)}
.snap-check{font-size:14px;margin:4px 0}
.chg{font-style:normal;font-size:11.5px;background:var(--amber);color:#fff;border-radius:4px;padding:1px 5px;margin-left:4px}
.ver-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:10px}
.ver-tabs a{padding:6px 12px;border-radius:8px;background:#fff;border:1px solid var(--line);text-decoration:none;font-size:13.5px;font-weight:600;color:var(--ink2)}
.ver-tabs a.on{background:var(--green);color:#fff;border-color:var(--green)}
.thread .msg{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px}
.thread .msg.staff{background:var(--green-soft);border-color:#cfe2d9}
.thread .who{font-size:13px;font-weight:700;color:var(--muted);margin-bottom:4px}

/* 관리자 */
.kpis{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;text-decoration:none;color:var(--ink)}
.kpi b{display:block;font-size:28px;line-height:1.1;color:var(--green)}
.kpi span{font-size:13.5px;color:var(--muted);font-weight:600}
.kpi.hot b{color:var(--coral)}
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-end;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;margin-bottom:14px}
.filters .fg{margin:0;min-width:120px}
.filters label{font-size:12.5px;color:var(--muted);margin-bottom:3px}
.filters select,.filters input{padding:8px 10px;font-size:14px}
.matrix td,.matrix th{text-align:center;padding:6px 4px;font-size:12.5px}
.matrix td:first-child,.matrix th:first-child{text-align:left;padding-left:12px;white-space:nowrap}
.mx{display:block;border-radius:6px;padding:5px 2px;text-decoration:none;font-weight:700;font-size:11.5px;min-width:44px}
.legend{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;margin:8px 0}
.review-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:18px;align-items:start}
.review-grid .sticky{position:sticky;top:120px}
.pager{display:flex;gap:4px;justify-content:center;margin:16px 0}
.pager a,.pager span{padding:6px 11px;border-radius:7px;background:#fff;border:1px solid var(--line);text-decoration:none;font-size:14px;color:var(--ink2)}
.pager span{background:var(--green);color:#fff;border-color:var(--green)}
.code{font-family:ui-monospace,Menlo,Consolas,monospace;background:#f3eee3;padding:2px 6px;border-radius:5px;font-size:.92em}
textarea.code-area{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13.5px;min-height:380px}
.otp{font-size:28px!important;letter-spacing:.4em;text-align:center;font-weight:800}
.auth-box{max-width:460px;margin:46px auto;padding:0 16px}
.notice-strip{background:var(--amber-soft);color:#6b4a05;border-radius:10px;padding:10px 14px;font-size:14px}

/* 푸터 */
.foot{background:#1b2422;color:#b8c4bf;margin-top:60px;font-size:14px}
.foot-in{display:flex;justify-content:space-between;gap:24px;padding-top:34px;padding-bottom:16px;flex-wrap:wrap}
.foot-logo{display:flex;align-items:center;gap:8px;color:#fff;font-weight:700;font-size:15.5px;margin-bottom:8px}
.foot a{color:#d9e3df;text-decoration:none}
.foot-links{display:flex;gap:16px;flex-wrap:wrap;align-items:flex-start}
.foot-links b{color:#fff}
.copy{border-top:1px solid #2c3734;padding-top:14px;padding-bottom:26px;font-size:12.5px;color:#8a9893}
.doc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px}
.doc h2{font-size:19px;margin-top:1.4em}.doc h2:first-child{margin-top:0}
.doc table{border-collapse:collapse;width:100%;font-size:14.5px;margin:8px 0 16px}
.doc th,.doc td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.doc th{background:#f7f2e8}

/* 반응형 */
@media (max-width:1100px){
  .gnb a{padding:8px 7px;font-size:14px}
  .kpis{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:960px){
  .nav-toggle{display:block}
  .gnb{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 16px 16px;border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
  .nav-open .gnb{display:flex}
  .gnb a{padding:12px;font-size:16px}
  .util{gap:6px}.util .me,.util .lo{display:none}
  .nav-open .util .me,.nav-open .util .lo{display:inline}
  .hero-in{grid-template-columns:1fr;padding-top:40px;padding-bottom:44px}
  .hero h1{font-size:32px}
  .hero-book img{width:220px}
  .hero-book .tag{left:-20px}
  .flow{grid-template-columns:repeat(3,1fr)}
  .flow li:nth-child(3)::after{display:none}
  .info-grid{grid-template-columns:repeat(2,1fr)}
  .g3,.g4{grid-template-columns:repeat(2,1fr)}
  .dash-top,.review-grid,.preview-box{grid-template-columns:1fr}
  .review-grid .sticky{position:static}
  /* 실습 작성: 모바일은 탭 전환 */
  .tabs-m{display:flex;position:sticky;top:66px;z-index:15;background:#fff;border-bottom:1px solid var(--line)}
  .tabs-m button{flex:1;border:0;background:#fff;padding:13px;font:700 15px var(--font);color:var(--muted);border-bottom:3px solid transparent;cursor:pointer}
  .tabs-m button.on{color:var(--green);border-bottom-color:var(--green)}
  .split{display:block;height:auto}
  .pane{overflow:visible;padding:16px}
  .split[data-tab="form"] .pane-sample{display:none}
  .split[data-tab="sample"] .pane-form{display:none}
  .pane-sample{border-right:0}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .wrap{padding:0 16px}
  .top-in{padding:0 12px;gap:10px}
  .logo-t b{font-size:14px}
  .g2,.g3,.g4,.row2,.row3{grid-template-columns:1fr}
  .kpis{grid-template-columns:repeat(2,1fr)}
  .ptitle h1{font-size:22px}
  .ptitle-in{flex-direction:column;align-items:flex-start}
  .hero h1{font-size:28px}
  .hero p.lead{font-size:16px}
  .sec-h h2{font-size:24px}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow li::after{display:none}
  .part-row{grid-template-columns:1fr}
  .info-grid{grid-template-columns:1fr 1fr}
  .teacher{grid-template-columns:1fr}
  .card{padding:16px}
  .doc{padding:18px}
  .tb-grid{grid-template-columns:1fr}
  .save-bar .btn{flex:1}
}
.pane{position:relative}
.sr{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
body.pw .foot{margin-top:0}
.util .btn{color:#fff}
.save-bar .btn{white-space:nowrap}
@media (max-width:640px){.save-state{flex-basis:100%;margin-right:0}}