:root{color-scheme:light;
  --red:#c62917; --red-soft:#fdecea; --bg:#f6f6f6; --card:#fff; --line:#ececec;
  --text:#1f1f1f; --sub:#8a8a8a; --faint:#b9b9b9; --star:#ffbe0b; --teal:#11a8b3;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{background:#e9e9e9;font-family:'Noto Sans KR',system-ui,sans-serif;color:var(--text)}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;color:inherit;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
#app{max-width:440px;min-height:100vh;min-height:100dvh;margin:0 auto;background:var(--bg);position:relative;padding-bottom:calc(76px + env(safe-area-inset-bottom,0px))}
#app.no-nav{padding-bottom:0}
.ic{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;display:block}

/* header */
.hd{position:sticky;top:0;z-index:10;background:#fff;height:56px;display:flex;align-items:center;padding:0 12px 0 16px;gap:6px;border-bottom:1px solid var(--line)}
.hd h1{font-size:17px;font-weight:700;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hd h1 small{display:block;font-size:11px;font-weight:400;color:var(--sub);margin-top:-2px}
.hd .hb{padding:6px;position:relative}
.hd .back{margin-left:-8px}
.hd .school{flex:1}
.hd .school small{display:block;font-size:11px;color:var(--red);font-weight:700;line-height:1}
.hd .school b{font-size:21px;font-weight:900;line-height:1.25}
.hd .txtbtn{color:var(--red);font-weight:700;font-size:15px;padding:6px}
.dot{position:absolute;top:4px;right:3px;min-width:16px;height:16px;border-radius:8px;background:var(--red);color:#fff;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;padding:0 4px}

/* bottom nav */
.nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:440px;height:calc(64px + env(safe-area-inset-bottom,0px));padding-bottom:env(safe-area-inset-bottom,0px);background:#fff;border-top:1px solid var(--line);display:flex;z-index:20}
.nav a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:10px;color:var(--faint);position:relative}
.nav a.on{color:var(--red)}
.nav a .dot{top:6px;right:calc(50% - 20px)}

/* cards */
.sec{background:#fff;margin:12px 12px 0;border-radius:14px;border:1px solid var(--line);overflow:hidden}
.sec-h{display:flex;justify-content:space-between;align-items:center;padding:14px 16px 6px}
.sec-h h2{font-size:15px;font-weight:700}
.sec-h a{font-size:12px;color:var(--red)}
.row{display:flex;gap:10px;padding:9px 16px;font-size:14px}
.row .t{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}
.row .b{color:var(--sub);flex-shrink:0;font-size:13px}
.row .bn{width:84px;color:var(--sub);flex-shrink:0;font-size:13px}
.banner{display:block;margin:12px 12px 0;border-radius:14px;padding:18px;background:linear-gradient(135deg,#c62917,#ff6a4d);color:#fff}
.banner b{font-size:17px;display:block;margin-bottom:4px}
.banner span{font-size:13px;opacity:.9}
.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:12px 12px 0}
.quick a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 4px;text-align:center;font-size:11px}
.quick a i{display:block;font-style:normal;font-size:22px;margin-bottom:4px}
.foot{text-align:center;font-size:11px;color:var(--faint);padding:24px 0 8px}

/* post list item */
.item{display:block;padding:13px 16px;border-top:1px solid var(--line);background:#fff}
.list .item:first-child,.sec .item:first-of-type{border-top:0}
.who{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--sub);margin-bottom:6px}
.av{width:22px;height:22px;border-radius:6px;background:#cfd4d9 url(avatar.svg) center/cover no-repeat;display:inline-block;overflow:hidden;flex-shrink:0}
.item .tt{font-size:14.5px;font-weight:700;margin-bottom:3px}
.item .tt .pin{color:var(--red);margin-right:4px}
.item .bd{font-size:13px;color:#555;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;white-space:pre-line}
.meta{display:flex;gap:10px;font-size:12px;margin-top:6px;align-items:center}
.meta .lk{color:var(--red)} .meta .cm{color:var(--teal)} .meta .sc{color:#e3b100}
.meta .tm{color:var(--faint);margin-left:auto}
.list{background:#fff}
.fab{position:fixed;bottom:calc(80px + env(safe-area-inset-bottom,0px));left:50%;transform:translateX(-50%);background:#fff;border:1px solid var(--line);box-shadow:0 4px 14px rgba(0,0,0,.12);border-radius:22px;padding:10px 18px;font-size:14px;font-weight:700;display:flex;gap:6px;align-items:center;z-index:15}
.fab .ic{width:18px;height:18px;color:var(--red)}

/* board list */
.blist a{display:flex;align-items:center;gap:12px;padding:14px 16px;border-top:1px solid var(--line);font-size:15px}
.blist a:first-child{border-top:0}
.blist a span{flex:1}
.blist a span small{display:block;font-size:12px;color:var(--faint)}
.blist a em{font-style:normal;font-size:12px;color:var(--sub)}

/* post detail */
.post{background:#fff;padding:16px}
.post .who{font-size:14px;color:var(--text);font-weight:700}
.post .who .av{width:38px;height:38px;border-radius:10px}
.post .who small{display:block;font-weight:400;font-size:12px;color:var(--faint)}
.post .who .more{margin-left:auto;color:var(--faint);padding:4px}
.post h3{font-size:19px;font-weight:700;margin:14px 0 10px;line-height:1.4}
.post p{font-size:15px;line-height:1.7;white-space:pre-wrap;word-break:break-word}
.acts{display:flex;gap:8px;margin-top:16px}
.acts button{background:#f2f2f2;color:#666;border-radius:8px;padding:7px 12px;font-size:13px}
.acts button.on{background:var(--red-soft);color:var(--red)}
.cmts{background:#fff;margin-top:8px}
.cmt{padding:12px 16px;border-top:1px solid var(--line)}
.cmt.reply{padding-left:44px;background:#fafafa;position:relative}
.cmt.reply::before{content:"↳";position:absolute;left:20px;top:12px;color:var(--faint)}
.cmt.target{background:#fff6f4}
.cmt .ch{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700}
.cmt .ch.writer{color:var(--teal)}
.cmt .ch.mine{color:var(--red)}
.tools{margin-left:auto;display:flex;border:1px solid var(--line);border-radius:6px;overflow:hidden;font-weight:400}
.tools button{padding:3px 9px;border-left:1px solid var(--line);color:var(--faint);font-size:12px}
.tools button:first-child{border-left:0}
.tools button.on{color:var(--red)}
.cmt .cb{font-size:15px;margin:6px 0 4px;line-height:1.55;white-space:pre-wrap;word-break:break-word}
.cmt .cb.del{color:var(--faint)}
.cmt .cf{font-size:12px;color:var(--faint);display:flex;gap:8px}
.cmt .cf b{color:var(--red);font-weight:400}
.cin{position:fixed;bottom:calc(64px + env(safe-area-inset-bottom,0px));left:50%;transform:translateX(-50%);width:100%;max-width:440px;background:#fff;border-top:1px solid var(--line);padding:8px 12px;z-index:15}
.cin .replying{font-size:12px;color:var(--red);padding:0 4px 6px;display:flex;justify-content:space-between}
.cin form{display:flex;gap:8px;align-items:center}
.cin label{font-size:12px;color:var(--sub);display:flex;align-items:center;gap:3px;white-space:nowrap}
.cin input[type=text]{flex:1;border:0;background:#f2f2f2;border-radius:10px;padding:10px 12px;font-size:14px;outline:none;min-width:0}
.cin button{color:var(--red);font-weight:700;padding:0 4px}
.spacer{height:72px}

/* forms */
.form{background:#fff;padding:16px;display:flex;flex-direction:column;gap:12px}
.form select,.form input[type=text],.form textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:12px;font-size:15px;outline:none;background:#fff}
.form textarea{min-height:240px;resize:vertical;line-height:1.6}
.form .title-in{font-size:17px;font-weight:700;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:10px 0}
.form .body-in{border:0;padding:6px 0}
.form .opts{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--sub)}
.form .opts label{display:flex;align-items:center;gap:5px}
.btn{display:block;width:100%;text-align:center;background:var(--red);color:#fff;border-radius:12px;padding:14px;font-weight:700;font-size:15px}
.btn.ghost{background:#f2f2f2;color:#555}
.rules{font-size:12px;color:var(--faint);line-height:1.6}

/* search */
.sbar{background:#fff;padding:10px 12px;border-bottom:1px solid var(--line)}
.sbar form{display:flex;gap:8px;background:#f2f2f2;border-radius:10px;padding:0 10px;align-items:center}
.sbar input{flex:1;border:0;background:none;padding:10px 0;outline:none;font-size:15px}
.sbar .ic{width:18px;height:18px;color:var(--sub)}
.empty{padding:48px 16px;text-align:center;color:var(--sub);font-size:14px;line-height:1.6}
mark{background:#ffe9a8;color:inherit}

/* lecture */
.lec{display:block;padding:14px 16px;border-top:1px solid var(--line)}
.lec:first-child{border-top:0}
.lec b{font-size:15px}
.lec small{display:flex;align-items:center;gap:4px;color:var(--sub);font-size:12px;margin-top:4px}
.stars{display:inline-flex;gap:3px;vertical-align:middle}
.stars i{width:18px;height:18px;display:inline-block;background:#dedede;clip-path:polygon(50% 0,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%)}
.stars i.f{background:var(--star)}
.stars i.h{background:linear-gradient(90deg,var(--star) 50%,#dedede 50%)}
.stars.sm i{width:14px;height:14px}
.stars.lg i{width:28px;height:28px}
.stars.pick i{width:36px;height:36px;cursor:pointer}
.score{background:#fff;padding:22px 16px 12px;display:flex;align-items:center;gap:14px}
.score .n{font-size:42px;font-weight:900;letter-spacing:-1px}
.score small{display:block;font-size:12px;color:var(--sub)}
.lecinfo{background:#fff;padding:0 16px 16px;font-size:13px;display:flex;gap:6px;flex-wrap:wrap;border-bottom:1px solid var(--line)}
.chip{background:#f2f2f2;border-radius:20px;padding:5px 10px;color:#555}
.chip.on{background:var(--red-soft);color:var(--red)}
.rv{background:#fff;padding:16px;border-top:1px solid var(--line)}
.rv .rh{display:flex;justify-content:space-between;align-items:center}
.rv .sem{font-size:13px;color:var(--faint);margin:6px 0 10px}
.rv p{font-size:15px;line-height:1.75;white-space:pre-wrap;word-break:break-word}
.rbtn{display:flex;gap:6px}
.rbtn button{background:#f2f2f2;color:#aaa;font-size:12px;padding:5px 10px;border-radius:8px}
.rbtn button.on{color:var(--red);background:var(--red-soft)}
.wrbtn{display:block;margin:12px;text-align:center;background:#fff;border:1px solid var(--red);color:var(--red);border-radius:12px;padding:12px;font-weight:700;font-size:14px}

/* timetable */
.ttbox{background:#fff;margin:12px;border-radius:14px;border:1px solid var(--line);overflow:hidden}
.ttg{display:grid;grid-template-columns:28px repeat(5,1fr);position:relative}
.ttg .dh{font-size:12px;text-align:center;padding:8px 0;color:var(--sub);height:33px}
.ttg .hr{font-size:10px;color:var(--faint);text-align:right;padding:2px 4px 0 0;height:52px;border-top:1px solid var(--line)}
.ttg .cell{height:52px;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.blk{position:absolute;display:flex;flex-direction:column;justify-content:flex-start;align-items:flex-start;border-radius:4px;padding:4px;font-size:10.5px;line-height:1.3;color:#fff;overflow:hidden;text-align:left}
.blk b{display:block;font-size:11px}

/* sheet / toast */
.dim{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:40;display:flex;align-items:flex-end;justify-content:center}
.sheet{background:#fff;width:100%;max-width:440px;border-radius:18px 18px 0 0;padding:8px 0 calc(24px + env(safe-area-inset-bottom,0px));max-height:85vh;overflow-y:auto;animation:up .2s ease}
.sheet .grab{width:36px;height:4px;border-radius:2px;background:#ddd;margin:4px auto 10px}
.sheet h4{font-size:17px;padding:4px 20px 2px}
.sheet p{font-size:13px;color:var(--sub);padding:0 20px 10px}
.sheet button,.sheet a{display:block;width:100%;text-align:left;padding:14px 20px;font-size:15px;border-top:1px solid var(--line)}
.sheet .danger{color:var(--red)}
@keyframes up{from{transform:translateY(40px);opacity:0}to{transform:none;opacity:1}}
.toast{position:fixed;left:50%;bottom:150px;transform:translateX(-50%);background:rgba(30,30,30,.9);color:#fff;font-size:13px;padding:10px 16px;border-radius:20px;z-index:60;white-space:nowrap;animation:up .2s ease}

/* messages */
.th{display:flex;gap:12px;padding:14px 16px;border-top:1px solid var(--line);align-items:center}
.th:first-child{border-top:0}
.th .av{width:40px;height:40px;border-radius:12px}
.th div{flex:1;min-width:0}
.th b{font-size:14px;display:flex;justify-content:space-between}
.th b small{font-weight:400;font-size:11px;color:var(--faint)}
.th p{font-size:13px;color:var(--sub);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.th .nb{background:var(--red);color:#fff;font-size:10px;border-radius:8px;padding:1px 6px}
.chat{padding:12px 12px 80px;display:flex;flex-direction:column;gap:8px}
.chat .about{align-self:center;font-size:12px;color:var(--sub);background:#fff;border:1px solid var(--line);border-radius:14px;padding:6px 12px;margin-bottom:6px}
.bub{max-width:76%;padding:10px 13px;border-radius:16px;font-size:14px;line-height:1.5;white-space:pre-wrap;word-break:break-word}
.bub.them{align-self:flex-start;background:#fff;border:1px solid var(--line);border-bottom-left-radius:4px}
.bub.me{align-self:flex-end;background:var(--red);color:#fff;border-bottom-right-radius:4px}
.bub small{display:block;font-size:10px;opacity:.6;margin-top:3px}
.typing{align-self:flex-start;font-size:12px;color:var(--faint)}

/* alerts */
.noti{display:flex;gap:12px;padding:14px 16px;border-top:1px solid var(--line);background:#fff}
.noti:first-child{border-top:0}
.noti.new{background:#fff8f6}
.noti i{font-style:normal;font-size:20px}
.noti b{font-size:12px;color:var(--red);display:block}
.noti p{font-size:14px;margin:2px 0}
.noti small{color:var(--faint);font-size:12px}

/* mypage */
.me-card{background:#fff;margin:12px;border-radius:14px;border:1px solid var(--line);padding:18px;display:flex;gap:14px;align-items:center}
.me-card .av{width:56px;height:56px;border-radius:16px}
.me-card b{font-size:17px;display:block}
.me-card small{color:var(--sub);font-size:13px}
.tabs{display:flex;background:#fff;border-bottom:1px solid var(--line);margin-top:12px}
.tabs button{flex:1;padding:12px 0;font-size:14px;color:var(--sub);border-bottom:2px solid transparent}
.tabs button.on{color:var(--red);border-color:var(--red);font-weight:700}

/* login */
.login{min-height:100vh;min-height:100dvh;background:#fff;display:flex;flex-direction:column;justify-content:center;padding:32px 28px;gap:14px}
.logo{display:flex;align-items:center;gap:10px;margin-bottom:24px}
.logo .mark{width:46px;height:46px;border-radius:14px;background:var(--red);color:#fff;font-weight:900;font-size:22px;display:flex;align-items:center;justify-content:center}
.logo b{font-size:24px;font-weight:900;display:block;line-height:1.1}
.logo small{font-size:12px;color:var(--sub)}
.login input,.login select{width:100%;border:0;background:#f4f4f4;border-radius:12px;padding:14px;font-size:15px;outline:none}
.login .note{font-size:12px;color:var(--faint);text-align:center;margin-top:8px;line-height:1.6}


/* ---- 모바일 보정 ---- */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
a,button,label{touch-action:manipulation}
/* iOS: 16px 미만 입력창은 포커스 시 화면이 자동 확대됨 */
input,textarea,select{font-size:16px!important}
.hd{top:0;padding-top:env(safe-area-inset-top,0px);height:calc(56px + env(safe-area-inset-top,0px))}
/* 입력 중엔 하단 탭바 숨기고 입력창을 맨 아래로 */
body.is-typing .nav,body.is-typing .fab{display:none}
body.is-typing .cin{bottom:0;padding-bottom:calc(8px + env(safe-area-inset-bottom,0px))}
.cin[style*="bottom:0"]{padding-bottom:calc(8px + env(safe-area-inset-bottom,0px))}
#pick .stars{gap:0}
#pick .stars i{margin-right:3px}