/* ta.css — TA 콘솔 · 학생 강의실 (milestone.css 와 같은 톤) */
:root{--bg:#07080a;--ink:oklch(94% .006 240);--dim:oklch(70% .014 250);--faint:oklch(52% .014 250);
 --a:oklch(76% .062 190);--a2:oklch(70% .055 258);--am:oklch(78% .07 80);--no:oklch(70% .13 25);
 --ok:oklch(78% .10 150);--line:oklch(100% 0 0/.10)}
*{margin:0;padding:0;box-sizing:border-box}*,*::before,*::after{min-width:0}
html,body{max-width:100%;overflow-x:hidden}
body{background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased;
 font-family:-apple-system,BlinkMacSystemFont,'Pretendard','Inter','Segoe UI',sans-serif}
a{color:inherit;text-decoration:none} button{font:inherit;cursor:pointer}
.twrap{max-width:1140px;margin:0 auto;padding:calc(64px + 1.6rem) 1.4rem 5rem}

/* 게이트 */
.gate{position:fixed;inset:0;z-index:9000;display:grid;place-items:center;background:var(--bg);padding:1.4rem}
.gate.off{display:none}
.gatebox{width:min(430px,100%);border:1px solid var(--line);border-radius:24px;padding:2rem 1.8rem;
 background:linear-gradient(168deg,oklch(24% .012 250/.5),oklch(10% .01 250/.9))}
.gatebox .tag{font-size:.64rem;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--a)}
.gatebox h1{font-size:1.5rem;font-weight:900;letter-spacing:-.03em;margin:.6rem 0 .3rem}
.gatebox p{font-size:.85rem;color:var(--dim);margin-bottom:1.3rem}
.gatebox input{width:100%;font:inherit;font-size:1rem;color:var(--ink);background:oklch(100% 0 0/.03);
 border:1px solid var(--line);border-radius:13px;padding:.75rem .95rem;outline:none;letter-spacing:.2em}
.gatebox input:focus{border-color:color-mix(in oklab,var(--a) 45%,transparent)}
.gatebox .row{display:flex;gap:.5rem;margin-top:.8rem}
.gatebox button{flex:1;font-weight:800;font-size:.87rem;border-radius:13px;padding:.72rem 1rem;
 background:var(--a);color:#07090a;border:1px solid var(--a)}
.gatebox .sec{background:none;color:var(--dim);border-color:var(--line);flex:0 0 auto}
.gatebox .err{font-size:.8rem;color:var(--no);margin-top:.7rem;min-height:1.2em}

/* 상단 */
.ttop{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap;margin-bottom:1.2rem}
.ttop h1{font-size:clamp(1.45rem,3.6vw,2.1rem);font-weight:900;letter-spacing:-.03em;margin-right:auto}
.ttop h1 em{font-style:normal;color:var(--a)}
.pill{font-size:.75rem;font-weight:800;padding:.5rem .95rem;border-radius:11px;border:1px solid var(--line);
 background:oklch(100% 0 0/.03);color:var(--dim);transition:.18s}
.pill:hover{color:var(--ink)}
.pill.on{background:color-mix(in oklab,var(--a) 15%,transparent);color:var(--a);
 border-color:color-mix(in oklab,var(--a) 42%,transparent)}
.pill.ok{background:color-mix(in oklab,var(--ok) 18%,transparent);color:var(--ok);border-color:var(--ok)}
.pill.danger{color:var(--no);border-color:color-mix(in oklab,var(--no) 35%,transparent)}

/* 학기 바 */
.sembar{display:flex;gap:.8rem;align-items:center;flex-wrap:wrap;border:1px solid var(--line);border-radius:16px;
 padding:.8rem 1.1rem;margin-bottom:1.2rem;background:oklch(100% 0 0/.02);font-size:.85rem;color:var(--dim)}
.sembar b{color:var(--ink)}
.sembar input{font:inherit;font-size:.85rem;color:var(--a);background:oklch(100% 0 0/.03);
 border:1px solid var(--line);border-radius:9px;padding:.35rem .6rem;outline:none}
.sembar .now{margin-left:auto;font-weight:900;color:var(--a);font-size:.95rem}

/* 주차 카드 */
.weeks{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:.8rem}
.wk{border:1px solid var(--line);border-radius:20px;padding:1rem 1.15rem;
 background:linear-gradient(168deg,oklch(24% .012 250/.45),oklch(10% .01 250/.86));transition:.2s}
.wk.now{border-color:color-mix(in oklab,var(--a) 55%,transparent);
 background:linear-gradient(168deg,color-mix(in oklab,var(--a) 12%,transparent),oklch(10% .01 250/.9))}
.wk.past{opacity:.6}
.wk .hd{display:flex;gap:.5rem;align-items:baseline;margin-bottom:.45rem}
.wk .n{font-family:ui-monospace,Menlo,monospace;font-size:1.05rem;font-weight:900;color:var(--a)}
.wk .dt{font-size:.72rem;color:var(--faint)}
.wk .badge{margin-left:auto;font-size:.6rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase;
 padding:.2rem .55rem;border-radius:999px;background:var(--a);color:#07090a}
.wk .badge.mid{background:var(--am)} .wk .badge.fin{background:var(--no)}
.wk h3{font-size:.98rem;font-weight:800;letter-spacing:-.01em;outline:none}
.wk .key{font-size:.8rem;color:var(--dim);margin-top:.3rem;outline:none}
.wk .go{display:inline-flex;align-items:center;gap:.35rem;margin-top:.7rem;font-size:.8rem;font-weight:800;
 color:var(--a);border:1px solid color-mix(in oklab,var(--a) 35%,transparent);border-radius:10px;padding:.42rem .8rem}
.wk .go:hover{background:color-mix(in oklab,var(--a) 14%,transparent)}
.wk .none{margin-top:.7rem;font-size:.76rem;color:var(--faint)}
.wk .lnk{width:100%;margin-top:.5rem;font:inherit;font-size:.74rem;color:var(--dim);
 background:oklch(100% 0 0/.03);border:1px solid var(--line);border-radius:9px;padding:.35rem .55rem;outline:none}

/* 가이드 */
.guide{border:1px solid var(--line);border-radius:22px;overflow:hidden;margin-bottom:.9rem;
 background:linear-gradient(168deg,oklch(24% .012 250/.45),oklch(10% .01 250/.86))}
.guide>h3{display:flex;gap:.7rem;align-items:center;padding:.95rem 1.3rem;border-bottom:1px solid var(--line);
 font-size:1rem;font-weight:900}
.guide>h3 .set{font-family:ui-monospace,Menlo,monospace;font-size:.7rem;color:var(--a)}
.guide .bd{padding:1rem 1.3rem}
.guide .scope{font-size:.85rem;color:var(--dim);margin-bottom:.8rem}
.guide .scope b{color:var(--ink)}
.policy{border:1px solid color-mix(in oklab,var(--am) 28%,transparent);
 background:color-mix(in oklab,var(--am) 5%,transparent);border-radius:14px;padding:.85rem 1.1rem;margin-bottom:1rem}
.policy li{font-size:.83rem;color:var(--dim);margin-left:1rem;margin-bottom:.35rem;line-height:1.6}
.policy li b{color:var(--am)}
.gcols{display:grid;grid-template-columns:1.3fr 1fr;gap:.8rem}
.gcol{border:1px solid var(--line);border-radius:14px;padding:.85rem 1rem}
.gcol b{display:block;font-size:.63rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase;
 color:var(--a);margin-bottom:.5rem}
.gcol.hand b{color:var(--am)}
.gcol li{font-size:.84rem;color:var(--dim);margin-left:1rem;margin-bottom:.3rem;outline:none}

/* 메일 카드 */
.mailgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:.8rem}
.mail{border:1px solid var(--line);border-radius:20px;overflow:hidden;
 background:linear-gradient(168deg,oklch(24% .012 250/.45),oklch(10% .01 250/.86))}
.mail>h3{display:flex;gap:.55rem;align-items:center;padding:.85rem 1.1rem;border-bottom:1px solid var(--line);
 font-size:.92rem;font-weight:800}
.mail .cat{font-size:.6rem;font-weight:900;letter-spacing:.1em;padding:.2rem .55rem;border-radius:999px;
 background:var(--a2);color:#07090a}
.mail .cat.시험{background:var(--am)} .mail .cat.성적{background:var(--no)}
.mail .bd{padding:.9rem 1.1rem}
.mail .subj{font-size:.78rem;color:var(--faint);margin-bottom:.5rem;outline:none}
.mail .body{font-size:.82rem;color:var(--dim);line-height:1.7;white-space:pre-wrap;max-height:170px;
 overflow:auto;border:1px solid var(--line);border-radius:12px;padding:.7rem .85rem;outline:none}
.mail .body:focus{border-color:color-mix(in oklab,var(--a) 45%,transparent);max-height:none}
.mail .btns{display:flex;gap:.45rem;margin-top:.7rem;flex-wrap:wrap}
.mail .btns button,.mail .btns a{font-size:.76rem;font-weight:800;border-radius:10px;padding:.45rem .85rem;
 border:1px solid var(--line);background:oklch(100% 0 0/.03);color:var(--dim)}
.mail .btns .cp{background:var(--a);color:#07090a;border-color:var(--a)}
.mail .btns .cp.ok{background:var(--ok);border-color:var(--ok)}

/* 변수 입력 */
.vars{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center;border:1px solid var(--line);border-radius:16px;
 padding:.8rem 1.1rem;margin-bottom:1rem;background:oklch(100% 0 0/.02)}
.vars label{font-size:.63rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase;color:var(--a)}
.vars input{font:inherit;font-size:.85rem;color:var(--ink);background:oklch(100% 0 0/.03);
 border:1px solid var(--line);border-radius:10px;padding:.42rem .7rem;outline:none;width:130px}
.vars input:focus{border-color:color-mix(in oklab,var(--a) 45%,transparent)}
.vars .hint{font-size:.74rem;color:var(--faint);margin-left:auto}

/* 섹션 전환 */
.sect{display:none} .sect.on{display:block}
body[data-role="student"] .profonly{display:none !important}

@media(max-width:860px){
  .twrap{padding-left:1rem;padding-right:1rem}
  .gcols{grid-template-columns:1fr}
  .weeks,.mailgrid{grid-template-columns:1fr}
  .vars input{width:100px}
}

/* ══════════════════════════════════════════════════════════════════════════
   추가 — 한눈에 보기 · 질문 있어요 · 조교 핸드북 (2026-08 확장)
   ══════════════════════════════════════════════════════════════════════════ */

/* 역할: prof 만 profonly / prof·ta 는 staffonly */
body[data-role="student"] .profonly{display:none !important}
body:not([data-role="prof"]) .profonly{display:none !important}
body:not([data-role="prof"]):not([data-role="ta"]) .staffonly{display:none !important}

.dh{font-size:.72rem;font-weight:800;letter-spacing:.18em;text-transform:uppercase;
 color:var(--faint);margin:2rem 0 .8rem}

/* ── 공지 ── */
.note{border:1px solid var(--line);border-left:3px solid var(--a);border-radius:0 14px 14px 0;
 padding:.9rem 1.15rem;margin-bottom:.55rem;background:color-mix(in oklab,var(--a) 6%,transparent)}
.note.a2{border-left-color:var(--a2);background:color-mix(in oklab,var(--a2) 6%,transparent)}
.note.am{border-left-color:var(--am);background:color-mix(in oklab,var(--am) 6%,transparent)}
.note b{display:block;font-size:.92rem;font-weight:800;margin-bottom:.15rem}
.note p{font-size:.85rem;color:var(--dim);text-wrap:pretty}

/* ── 학기 척추 ── */
.spine{border:1px solid var(--line);border-radius:22px;padding:1.5rem 1.6rem;margin-top:.4rem;
 background:linear-gradient(150deg,oklch(30% .04 258/.35),oklch(10% .01 250/.92) 58%)}
.stop{display:flex;align-items:flex-start;gap:1.1rem;flex-wrap:wrap}
.wknum{font-family:ui-monospace,Menlo,monospace;font-size:3.3rem;font-weight:900;line-height:.9;
 letter-spacing:-.05em;color:var(--a)}
.wknum small{display:block;font-size:.58rem;letter-spacing:.22em;color:var(--faint);
 font-weight:800;margin-top:.45rem}
.smeta{flex:1;min-width:190px}
.smeta b{display:block;font-size:1.1rem;font-weight:850;letter-spacing:-.02em;text-wrap:balance}
.smeta p{color:var(--dim);font-size:.85rem;margin-top:.2rem}
.dday{text-align:right}
.dday b{display:block;font-family:ui-monospace,Menlo,monospace;font-size:1.45rem;font-weight:900;color:var(--am)}
.dday span{font-size:.72rem;color:var(--faint)}
.rail16{display:flex;gap:3px;margin-top:1.3rem}
.rail16 i{flex:1;height:6px;border-radius:2px;background:oklch(100% 0 0/.06)}
.rail16 i.done{background:color-mix(in oklab,var(--a) 45%,transparent)}
.rail16 i.now{background:var(--a);box-shadow:0 0 0 3px color-mix(in oklab,var(--a) 20%,transparent)}
.rail16 i.ex{background:var(--am)}

/* ── 시험 모드 ── */
.xmode{border:1px solid color-mix(in oklab,var(--am) 35%,transparent);border-radius:18px;
 padding:1.2rem 1.4rem;margin-top:1rem;background:color-mix(in oklab,var(--am) 7%,transparent)}
.xh{display:flex;align-items:baseline;gap:.8rem;flex-wrap:wrap;margin-bottom:.6rem}
.xh b{font-size:1.02rem;font-weight:850;color:var(--am)}
.xh span{font-size:.8rem;color:var(--dim)}
.xs{font-size:.85rem;color:var(--dim);margin-bottom:.5rem}
.xl{list-style:none;display:grid;gap:.28rem;margin-bottom:.9rem}
.xl li{position:relative;padding-left:1.1rem;font-size:.86rem;color:var(--ink)}
.xl li::before{content:'';position:absolute;left:.2rem;top:.62em;width:4px;height:4px;
 border-radius:50%;background:var(--am)}

/* ── 오늘 / 바로가기 ── */
.today{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:.6rem}
.tcard{border:1px solid var(--line);border-radius:15px;padding:.9rem 1.05rem;
 background:linear-gradient(168deg,oklch(24% .012 250/.4),oklch(10% .01 250/.8))}
.tcard.off{border-style:dashed;opacity:.75}
.tcard .tl{font-size:.68rem;letter-spacing:.08em;color:var(--faint);margin-bottom:.3rem}
.tcard b{font-size:.95rem;font-weight:780}
.tcard p{font-size:.8rem;color:var(--dim);margin-top:.15rem}
.quick{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:.6rem}
.qc{display:block;border:1px solid var(--line);border-radius:15px;padding:.95rem 1.1rem;transition:.2s;
 background:linear-gradient(168deg,oklch(24% .012 250/.4),oklch(10% .01 250/.8))}
.qc:hover{border-color:color-mix(in oklab,var(--a) 50%,transparent);transform:translateY(-2px)}
.qc b{display:block;font-size:.93rem;font-weight:780}
.qc small{font-size:.76rem;color:var(--dim)}

/* ── 영상 줄 ── */
.vlist{display:grid;gap:.4rem;margin-top:.7rem}
.vrow{display:flex;align-items:center;gap:.75rem;border:1px solid var(--line);border-radius:12px;
 padding:.6rem .85rem;transition:.18s;background:oklch(100% 0 0/.02)}
.vrow:hover{border-color:color-mix(in oklab,var(--a) 50%,transparent);transform:translateX(3px)}
.vrow.lock{opacity:.45;pointer-events:none}
.vrow .vc{font-family:ui-monospace,Menlo,monospace;font-size:.66rem;font-weight:800;color:var(--a);
 flex:0 0 auto;min-width:56px}
.vrow .vt{flex:1;min-width:0}
.vrow .vt b{display:block;font-size:.88rem;font-weight:750}
.vrow .vt small{font-size:.7rem;color:var(--faint)}
.vrow .vg{font-size:.76rem;font-weight:800;color:var(--a);flex:0 0 auto}
.holi{font-size:.78rem;color:var(--am);border:1px dashed color-mix(in oklab,var(--am) 40%,transparent);
 border-radius:10px;padding:.4rem .7rem;margin-top:.5rem}

/* ── FAQ ── */
.fsearch{display:flex;align-items:center;gap:.7rem;border:1px solid var(--line);border-radius:14px;
 padding:.8rem 1.1rem;background:oklch(100% 0 0/.03);margin-bottom:.9rem}
.fsearch:focus-within{border-color:color-mix(in oklab,var(--a) 50%,transparent)}
.fsearch input{flex:1;font:inherit;font-size:.95rem;color:var(--ink);background:none;border:0;outline:0}
.fchips{display:flex;gap:.4rem;flex-wrap:wrap;margin-bottom:1rem}
.fchips button{font-size:.75rem;font-weight:750;color:var(--dim);background:none;
 border:1px solid var(--line);border-radius:999px;padding:.34rem .85rem;transition:.18s}
.fchips button:hover{color:var(--ink)}
.fchips button.on{background:var(--a);border-color:var(--a);color:#07090a}
.qa{border:1px solid var(--line);border-radius:14px;margin-bottom:.45rem;overflow:hidden;
 background:linear-gradient(168deg,oklch(24% .012 250/.35),oklch(10% .01 250/.75))}
.qa>button{display:flex;align-items:center;gap:.7rem;width:100%;text-align:left;
 color:var(--ink);background:none;border:0;padding:.9rem 1.1rem}
.qa>button .cat{font-size:.62rem;font-weight:800;letter-spacing:.06em;color:var(--a);flex:0 0 auto;
 border:1px solid color-mix(in oklab,var(--a) 32%,transparent);border-radius:6px;padding:.15rem .45rem}
.qa>button .qt{flex:1;font-size:.9rem;font-weight:730}
.qa>button .ar{color:var(--faint);transition:transform .25s}
.qa.on>button .ar{transform:rotate(90deg)}
.qa .ans{display:none;padding:0 1.1rem 1rem;font-size:.87rem;color:var(--dim);text-wrap:pretty}
.qa.on .ans{display:block}
.qa mark{background:color-mix(in oklab,var(--am) 30%,transparent);color:var(--ink);border-radius:3px}
.fnote{font-size:.85rem;color:var(--dim);margin-bottom:.8rem}

/* ── 결정 트리 ── */
.tri{border:1px solid var(--line);border-radius:18px;padding:1.3rem 1.45rem;
 background:linear-gradient(160deg,oklch(30% .04 258/.28),oklch(10% .01 250/.9))}
.tstep{font-size:.64rem;letter-spacing:.18em;color:var(--faint);font-weight:800}
.tri h3{font-size:1.02rem;font-weight:820;margin:.4rem 0 1rem;text-wrap:balance}
.tend b{display:block;font-size:1.12rem;font-weight:850;color:var(--a);margin-bottom:.25rem}
.tend p{font-size:.87rem;color:var(--dim);margin-bottom:.9rem}
.tbtn{font-size:.85rem;font-weight:800;border-radius:12px;padding:.6rem 1.4rem;
 background:none;border:1px solid var(--line);color:var(--dim)}
.tbtn.on{background:var(--a);border-color:var(--a);color:#07090a}
.tbtn:hover{border-color:var(--a);color:var(--a)}
.tbtn.on:hover{color:#07090a}

/* ── 창구 버튼 ── */
.frow{display:flex;gap:.5rem;flex-wrap:wrap}
.fbtn{display:block;border:1px solid color-mix(in oklab,var(--a) 40%,transparent);border-radius:13px;
 padding:.7rem 1.15rem;font-size:.87rem;font-weight:800;color:var(--a);transition:.18s;
 background:color-mix(in oklab,var(--a) 8%,transparent)}
.fbtn:hover{background:var(--a);color:#07090a}
.fbtn:hover small{color:oklch(20% .02 250)}
.fbtn small{display:block;font-size:.7rem;font-weight:600;color:var(--dim);margin-top:.1rem}
.fbtn.off{border-color:var(--line);color:var(--faint);background:none;cursor:not-allowed}

/* ── 조교 핸드북 ── */
.hnote{border:1px solid var(--line);border-left:3px solid var(--a2);border-radius:0 14px 14px 0;
 padding:.9rem 1.15rem;background:color-mix(in oklab,var(--a2) 6%,transparent)}
.hnote b{font-size:.92rem;font-weight:800}
.hnote p{font-size:.84rem;color:var(--dim);margin-top:.15rem}
.rules{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.5rem}
.rc{border:1px solid var(--line);border-radius:14px;padding:.85rem 1rem;text-align:center;
 background:oklch(100% 0 0/.02)}
.rc b{display:block;font-size:1.15rem;font-weight:900;color:var(--a);letter-spacing:-.02em}
.rc span{font-size:.72rem;color:var(--dim)}
.rc.no b{color:var(--no)}
.tasks{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:.6rem}
.tk{border:1px solid var(--line);border-radius:15px;padding:.9rem 1.05rem;
 background:linear-gradient(168deg,oklch(24% .012 250/.35),oklch(10% .01 250/.78))}
.tk.now{border-color:var(--a)}
.tk.past{opacity:.6}
.tw{font-family:ui-monospace,Menlo,monospace;font-size:.72rem;font-weight:800;color:var(--a);
 letter-spacing:.06em;margin-bottom:.4rem}
.chk{display:flex;gap:.55rem;align-items:flex-start;font-size:.85rem;padding:.25rem 0;cursor:pointer}
.chk input{margin-top:.32rem;width:15px;height:15px;accent-color:var(--a);flex:0 0 auto}
.chk.done span{text-decoration:line-through;color:var(--faint)}
.reps{display:grid;gap:.4rem}
.rep{display:flex;align-items:center;gap:.7rem;border:1px solid var(--line);border-radius:12px;
 padding:.6rem .9rem;background:oklch(100% 0 0/.02)}
.rep b{flex:1;font-size:.87rem;font-weight:750}
.rep .cp{font-size:.75rem;font-weight:800;border-radius:9px;padding:.35rem .8rem;
 background:none;border:1px solid var(--line);color:var(--dim)}
.rep .cp:hover{color:var(--a);border-color:var(--a)}
.rep .cp.ok{background:var(--ok);border-color:var(--ok);color:#07090a}
.esc{list-style:none;display:grid;gap:.35rem;border:1px solid color-mix(in oklab,var(--no) 32%,transparent);
 border-radius:15px;padding:1rem 1.2rem;background:color-mix(in oklab,var(--no) 6%,transparent)}
.esc li{position:relative;padding-left:1.1rem;font-size:.86rem}
.esc li::before{content:'';position:absolute;left:.2rem;top:.62em;width:4px;height:4px;
 border-radius:50%;background:var(--no)}

/* ── 미리보기 배지 ── */
.pvw{position:fixed;left:1rem;bottom:1rem;z-index:150;font-size:.72rem;font-weight:800;
 color:#07090a;background:var(--am);border-radius:9px;padding:.4rem .8rem}

@media(prefers-reduced-motion:reduce){*{transition:none !important;animation:none !important}}
:focus-visible{outline:2px solid var(--a);outline-offset:2px;border-radius:6px}