/* 로그인 후 앱 화면과 로그인·가입 화면. 색·부품은 base.css 토큰을 쓴다. */
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ── 로그인·가입 ── */
.auth-page{min-height:100dvh;display:flex;justify-content:center;padding:40px max(18px,env(safe-area-inset-right,0px)) 60px max(18px,env(safe-area-inset-left,0px))}
.auth-box{width:100%;max-width:420px}
.auth-box.wide{max-width:680px}
.auth-box fieldset{border:0;padding:0;margin:0;min-width:0}
.auth-box legend{font-weight:600;font-size:15px;padding:0;margin-bottom:10px}
.check{display:flex;gap:8px;align-items:flex-start;font-size:14px}
.check input{margin-top:5px;accent-color:var(--accent)}

/* ── 앱 틀 ── */
body.app{height:100dvh;overflow:hidden}
.shell{display:grid;grid-template-columns:272px minmax(0,1fr);height:100dvh}
.side{background:var(--surface);border-right:1px solid var(--line);display:flex;flex-direction:column;gap:12px;padding:14px 12px;min-height:0;min-width:0}
.side-top{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 4px}
.side-close,.menu-btn{display:none}
.conv-list{flex:1;min-height:60px;overflow-y:auto;display:flex;flex-direction:column;gap:1px;margin:0 -4px;padding:0 4px}
.conv{display:flex;align-items:center;border-radius:8px;min-width:0}
.conv:hover{background:var(--surface-2)}
.conv.active{background:var(--accent-soft)}
.conv a{flex:1;min-width:0;padding:7px 9px;color:var(--ink);text-decoration:none;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conv button{font:inherit;font-size:12px;border:0;background:none;color:var(--muted);cursor:pointer;padding:4px 8px;border-radius:6px;opacity:0;white-space:nowrap}
.conv:hover button,.conv button:focus-visible,.conv button.armed{opacity:1}
.conv button.armed{color:var(--danger);font-weight:600}
.conv-empty{font-size:13px;color:var(--muted);padding:8px 9px}
.side-menu{display:flex;flex-direction:column;gap:1px;border-top:1px solid var(--line);padding-top:10px}
.side-menu a{padding:7px 9px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:14px}
.side-menu a:hover{background:var(--surface-2)}
.side-menu a.active{background:var(--accent-soft);color:var(--accent);font-weight:600}
.side-user{display:flex;align-items:center;gap:8px;border-top:1px solid var(--line);padding:10px 4px 0;min-width:0}
.side-user-name{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-user .small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.scrim{position:fixed;inset:0;background:rgba(10,14,22,.45);z-index:20}

.main{display:flex;flex-direction:column;min-width:0;min-height:0;height:100dvh}
.topbar{display:flex;align-items:center;gap:12px;padding:10px 18px;border-bottom:1px solid var(--line);background:var(--surface);min-height:54px}
.top-title{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-title .sub{font-weight:400;color:var(--muted);font-size:13px;margin-left:8px}
.top-balance{display:flex;align-items:center;gap:10px;font-size:13.5px;white-space:nowrap}
.top-balance b{font-family:var(--mono);font-weight:500;font-size:14.5px}
.top-balance .proj{color:var(--muted)}
.view{flex:1;min-height:0}
.view.page{overflow-y:auto;padding:24px 18px 72px}
.page-inner{max-width:1000px;margin:0 auto;display:flex;flex-direction:column;gap:20px}
.page-head{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:flex-end;justify-content:space-between}
.page-head p{color:var(--muted);font-size:14px;margin-top:4px;max-width:64ch}
.filters{display:flex;flex-wrap:wrap;gap:10px 12px;align-items:flex-end}
.filters .field{flex:0 1 170px}
.total-line{font-size:14px;color:var(--muted)}
.total-line b{color:var(--ink);font-family:var(--mono);font-weight:500;font-size:16px}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.form-grid .wide{grid-column:1/-1}
.stat{display:flex;flex-direction:column;gap:2px}
.stat b{font-family:var(--mono);font-weight:500;font-size:24px}
.amounts{display:flex;flex-wrap:wrap;gap:6px}
.sum-box{background:var(--surface-2);border-radius:8px;padding:10px 12px;display:grid;grid-template-columns:1fr auto;gap:2px 16px;font-size:14px}
.sum-box .t{font-weight:600}
.copy-row{display:flex;gap:8px;align-items:center}
.copy-row .input{font-family:var(--mono);font-size:13px}
.doc-links{display:flex;flex-wrap:wrap;gap:4px 10px;font-size:13px}

/* ── 대화 ── */
.view.chat{display:flex;flex-direction:column}
.messages{flex:1;min-height:0;overflow-y:auto;padding:22px 18px 28px;scroll-behavior:smooth}
.thread{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:20px}
.msg{min-width:0;overflow-wrap:anywhere}
.msg.user{align-self:flex-end;max-width:86%;background:var(--accent-soft);border-radius:14px 14px 4px 14px;padding:9px 14px;white-space:pre-wrap}
.msg.assistant{align-self:stretch;display:flex;flex-direction:column;gap:8px}
.msg-meta{font-size:12.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:4px 10px;align-items:center}
.route-note{font-size:13px;color:var(--muted)}
.md{display:flex;flex-direction:column;gap:10px;min-width:0}
.md h3,.md h4,.md h5{margin:6px 0 0}
.md h3{font-size:18px}.md h4{font-size:16px}.md h5{font-size:15px}
.md p{white-space:pre-wrap}
.md ul,.md ol{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:3px}
.md code{font-family:var(--mono);font-size:.9em;background:var(--surface-2);padding:1px 5px;border-radius:5px}
.md pre{margin:0;background:var(--surface-2);border:1px solid var(--line);border-radius:8px;padding:12px 14px;overflow-x:auto;font-size:13px;line-height:1.5}
.md pre code{background:none;padding:0;white-space:pre}
.md .tablebox{font-size:14px}
.md hr{border:0;border-top:1px solid var(--line);width:100%;margin:2px 0}
.md blockquote{margin:0;padding-left:12px;border-left:3px solid var(--line);color:var(--muted)}
.cursor::after{content:"";display:inline-block;width:7px;height:1em;background:var(--accent);margin-left:2px;vertical-align:-2px;animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
.sources{display:flex;flex-direction:column;gap:3px;font-size:13px;border-top:1px dashed var(--line);padding-top:8px}
.sources a{color:var(--accent);text-decoration:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block}
.sources a:hover{text-decoration:underline}
.sources .n{color:var(--muted);font-family:var(--mono);margin-right:6px}
.quote-card,.job-card{border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;gap:10px;max-width:560px}
.quote-card .price{font-family:var(--mono);font-size:20px;font-weight:500}
.card-prompt{font-size:14px;color:var(--muted);white-space:pre-wrap;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.job-card img,.job-card video{max-width:100%;max-height:520px;border-radius:8px;background:var(--surface-2);display:block}
.job-card audio{width:100%}
.job-state{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}
.spinner{width:16px;height:16px;border-radius:50%;border:2px solid var(--line);border-top-color:var(--accent);animation:spin .8s linear infinite;flex:none}
@keyframes spin{to{transform:rotate(360deg)}}
.welcome{max-width:720px;margin:6vh auto 0;display:flex;flex-direction:column;gap:18px}
.welcome p{color:var(--muted)}
.examples{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}
.example{font:inherit;text-align:left;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:var(--radius);padding:12px 14px;cursor:pointer;display:flex;flex-direction:column;gap:3px}
.example:hover{border-color:var(--accent)}
.example b{font-size:13px;color:var(--accent);font-weight:600}
.example span{font-size:14px}

/* ── 입력창 ── */
.composer{border-top:1px solid var(--line);background:var(--surface);padding:10px 18px calc(12px + env(safe-area-inset-bottom,0px))}
.composer-inner{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:8px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font:inherit;font-size:13px;font-weight:500;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:4px 12px;cursor:pointer}
.chip:hover{background:var(--surface-2)}
.chip[aria-checked="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.mode-opts{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center;font-size:13px;color:var(--muted);min-height:30px}
.mode-opts select{font:inherit;font-size:13px;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:7px;padding:4px 8px;max-width:100%}
.mode-opts .est{margin-left:auto;color:var(--ink);white-space:nowrap}
.mode-opts .est b{font-family:var(--mono);font-weight:500}
.attach{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.attach img{width:44px;height:44px;object-fit:cover;border-radius:6px;border:1px solid var(--line)}
.input-row{display:flex;gap:8px;align-items:flex-end}
.input-row textarea{resize:none;min-height:42px;max-height:220px;line-height:1.5}
.input-row .btn{height:42px}
.btn.stop{background:var(--danger-soft);border-color:var(--danger-soft);color:var(--danger)}

/* ── 차시담(학교 인증) ── */
.school-pill{margin-left:10px;vertical-align:1px}
.msg.user.lesson{display:flex;flex-direction:column;gap:4px;align-items:flex-start;white-space:normal}
.msg-actions{display:flex;gap:8px}
.lesson-form{display:flex;flex-direction:column;gap:8px}
.lesson-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:6px 10px}
.lesson-grid .c2{grid-column:span 2}.lesson-grid .c3{grid-column:span 3}.lesson-grid .c5{grid-column:span 5}.lesson-grid .c7{grid-column:span 7}
.lesson-form .field{gap:3px}
.lesson-form .field>label{font-size:12px}
.lesson-form .input{padding:7px 10px;font-size:14px}
.lesson-last{display:flex;gap:10px;align-items:flex-end}
.lesson-last textarea.input{min-height:36px;height:36px;max-height:120px;resize:vertical;line-height:1.4}
.lesson-last .btn{height:36px}
.school-results{display:flex;flex-direction:column;gap:4px;max-height:280px;overflow-y:auto}
.school-item{font:inherit;text-align:left;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:8px;padding:8px 12px;cursor:pointer;display:flex;flex-direction:column;gap:1px}
.school-item:hover{border-color:var(--accent)}

/* ── 좁은 화면 ── */
@media (max-width:760px){
  .shell{grid-template-columns:minmax(0,1fr)}
  .side{position:fixed;inset:0 auto 0 0;width:min(300px,86vw);z-index:30;transform:translateX(-102%);transition:transform .18s ease;box-shadow:var(--shadow);padding-top:calc(14px + env(safe-area-inset-top,0px))}
  .side.open{transform:none}
  .side-close,.menu-btn{display:inline-flex}
  .topbar{padding:8px 12px;gap:8px}
  .top-balance .proj,.top-title .sub{display:none}
  .messages{padding:16px 12px 20px}
  .composer{padding:8px 12px calc(10px + env(safe-area-inset-bottom,0px))}
  .view.page{padding:18px 12px 60px}
  .msg.user{max-width:92%}
  .mode-opts .est{margin-left:0;flex-basis:100%}
  .filters .field{flex:1 1 140px}
  .conv button{opacity:1}
  .lesson-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .lesson-grid .c2,.lesson-grid .c3,.lesson-grid .c5{grid-column:span 1}
  .lesson-grid .c7{grid-column:1/-1}
  .school-pill{display:none}
  .lesson-form{max-height:52dvh;overflow-y:auto}
}

/* 표 다듬기 */
body.app .table td.num,.nowrap{white-space:nowrap}
body.app .table thead th.n{font-family:var(--sans)}
body.app .table th{white-space:nowrap}
body.app .view.page .tablebox>.table{min-width:640px}
body.app .view.page .card .tablebox>.table{min-width:430px}
body.app .md .tablebox>.table{min-width:0}