/* 웹메일(Bulwark)과 같은 색 이름을 쓴다. 모달 안에서는 웹메일이 실제 값을 넘겨주고(common.js),
   값을 받기 전이나 단독 접속 때는 아래 기본값(웹메일 기본 테마의 밝게/어둡게)을 쓴다. */
:root{--color-background:#fff;--color-foreground:#0f172a;--color-primary:#185aea;--color-primary-foreground:#fff;--color-secondary:#f8fafc;--color-muted:#f1f5f9;--color-muted-foreground:#59687c;--color-border:#e2e8f0;--color-input:#e2e8f0;--color-ring:#2563eb;--color-accent:#dbeafe;--color-accent-foreground:#1e40af;--color-destructive:#dc2626;--color-card:#fff;--color-popover:#fff;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color-scheme:light;font-family:var(--font);font-size:14px;line-height:1.5;color:var(--color-foreground);background:var(--color-secondary);
  scrollbar-width:thin;scrollbar-color:var(--color-border) transparent}
:root.dark{--color-background:#0a0a0a;--color-foreground:#fafafa;--color-primary:#fafafa;--color-primary-foreground:#171717;--color-secondary:#262626;--color-muted:#262626;--color-muted-foreground:#adadad;--color-border:#8080804d;--color-input:#262626;--color-ring:#d4d4d4;--color-accent:#1e3a8a;--color-accent-foreground:#dbeafe;--color-destructive:#ef4444;--color-card:#141414;--color-popover:#1c1c1c;
  color-scheme:dark;background:var(--color-background)}
:root:not(.themed) body{visibility:hidden}
[hidden]{display:none!important}
body{margin:0}
header,main{max-width:1050px;margin:auto;padding:20px}header{padding-bottom:0}
h1{margin:12px 0 4px;font-size:20px;font-weight:600}h2{font-size:15px;font-weight:600;margin:0 0 8px}
p{margin:6px 0}header p,form p,.hint,.meta,.snippet,.attachment,.empty{color:var(--color-muted-foreground)}
.hint,.meta,.attachment,form p{font-size:13px}

/* 입력 요소: 웹메일의 입력칸·버튼과 같은 크기, 테두리, 모서리 */
label{display:flex;flex-direction:column;gap:4px;font-size:12px;font-weight:500;color:var(--color-muted-foreground)}
label>span{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:400;color:var(--color-foreground)}
input,select,button{font:inherit;font-size:14px;box-sizing:border-box;max-width:100%;height:36px;border-radius:6px}
input,select{border:1px solid var(--color-input);background:var(--color-background);color:var(--color-foreground);padding:0 12px;transition:border-color .15s,box-shadow .15s}
input:hover,select:hover{border-color:var(--color-muted-foreground)}
input[type=checkbox]{width:16px;height:16px;padding:0;accent-color:var(--color-primary)}
input::placeholder{color:var(--color-muted-foreground);opacity:.8}
input:focus-visible,select:focus-visible,button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--color-ring);outline-offset:1px}
input[readonly]{background:var(--color-muted)}
/* 선택 상자: 브라우저 기본 모양 대신 웹메일과 같은 테두리와 화살표 */
select{appearance:none;-webkit-appearance:none;padding-right:32px;cursor:pointer;background-repeat:no-repeat;background-size:5px 5px;background-position:calc(100% - 16px) 15px,calc(100% - 11px) 15px;
  background-image:linear-gradient(45deg,transparent 50%,var(--color-muted-foreground) 50%),linear-gradient(135deg,var(--color-muted-foreground) 50%,transparent 50%)}
select option{background:var(--color-popover);color:var(--color-foreground)}
button{border:1px solid transparent;background:var(--color-primary);color:var(--color-primary-foreground);font-weight:500;padding:0 16px;cursor:pointer;white-space:nowrap;transition:background .15s,opacity .15s,color .15s}
button:hover{opacity:.9}button:disabled{opacity:.5;cursor:wait}
button.ghost{background:var(--color-background);color:var(--color-foreground);border-color:var(--color-input)}
button.ghost:hover{background:var(--color-muted);opacity:1}
button.danger{color:var(--color-destructive)}
a{color:var(--color-primary);text-decoration:none;font-size:13px}a:hover{text-decoration:underline}

.row,.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:end}
.row{margin:0 0 10px}.filters{margin:12px 0 4px;gap:12px}.filters label{flex:1 1 180px}.grow{flex:1 1 220px}
.toolbar{align-items:center}.toolbar .hint{margin:0}
/* 검색창: 웹메일 상단 검색칸처럼 돋보기가 안에 있는 한 줄 입력 */
.searchbox{position:relative;flex-direction:row}
.searchbox svg{position:absolute;left:11px;top:10px;width:16px;height:16px;color:var(--color-muted-foreground);pointer-events:none}
.searchbox input{width:100%;padding-left:34px}
input[type=search]::-webkit-search-cancel-button{cursor:pointer}
summary{cursor:pointer;font-size:13px;color:var(--color-muted-foreground);width:fit-content;border-radius:4px;list-style:none;display:flex;align-items:center;gap:6px;user-select:none}
summary::-webkit-details-marker{display:none}
summary::before{content:"";width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(-45deg);transition:transform .15s;margin:0 3px 0 2px}
details[open]>summary::before{transform:rotate(45deg)}
summary:hover{color:var(--color-foreground)}
fieldset{border:1px solid var(--color-border);border-radius:8px;margin:10px 0 14px;padding:4px 14px 10px}
legend{font-size:12px;font-weight:500;color:var(--color-muted-foreground);padding:0 6px}
fieldset:disabled{opacity:.5}
#status{min-height:20px;margin:10px 0 6px;font-size:12px;color:var(--color-muted-foreground)}
#status.compact:empty{display:none}

/* 결과·목록: 웹메일 메일 목록처럼 줄 단위로 */
#results,#items{border-top:1px solid var(--color-border)}
#results:empty,#items:empty{border:0}
article{padding:12px;border-bottom:1px solid var(--color-border);transition:background .15s}
article:hover{background:color-mix(in srgb,var(--color-muted) 50%,transparent)}
article p{margin:2px 0;overflow-wrap:anywhere}
.snippet{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;white-space:pre-line}
.title{display:block;height:auto;background:none;color:var(--color-foreground);border:0;padding:0;text-align:left;font-size:14px;font-weight:600;white-space:normal;overflow-wrap:anywhere}
.title:hover{color:var(--color-foreground);text-decoration:underline;opacity:1}
#results a{display:inline-block;margin-top:4px;font-size:12px;font-weight:500;color:var(--color-muted-foreground)}
#results a:hover{color:var(--color-foreground)}
#items article{display:flex;flex-wrap:wrap;gap:4px 12px;align-items:center}
#items article h2{flex:1 1 100%;margin:0;font-size:14px;overflow-wrap:anywhere}
#items article p{flex:1 1 240px;font-size:13px;color:var(--color-muted-foreground)}
#items article .row{margin:0}
.empty{padding:36px 8px;text-align:center;font-size:13px}

#editor{border:1px solid var(--color-border);border-radius:8px;padding:16px;margin:16px 0;background:var(--color-card)}
#editor>label{margin:10px 0}
.row.save{align-items:center;margin:14px 0 6px}
#formstatus{flex:1 1 220px;margin:0;font-size:13px;color:var(--color-muted-foreground)}
#formstatus.error{color:var(--color-destructive);font-weight:500}
details#loginbox,#search{background:var(--color-card);border:1px solid var(--color-border);border-radius:8px;padding:14px;margin-bottom:12px}
#loginbox form{display:flex;flex-direction:column;gap:10px;margin-top:10px;max-width:420px}

dialog{max-width:800px;width:85%;box-sizing:border-box;border:1px solid var(--color-border);border-radius:8px;padding:20px;background:var(--color-background);color:var(--color-foreground);box-shadow:0 20px 40px rgba(0,0,0,.2)}
dialog::backdrop{background:rgba(0,0,0,.5)}
dialog .row{justify-content:flex-end;margin:16px 0 0}
#detail #close{float:right;margin:0 0 8px 12px}
#detail h2{font-size:16px;overflow-wrap:anywhere}
pre{white-space:pre-wrap;overflow-wrap:anywhere;font:inherit;max-height:65vh;overflow:auto;margin:12px 0 0;clear:both;border-top:1px solid var(--color-border);padding-top:12px}
.tabs{display:flex;gap:16px;border-bottom:1px solid var(--color-border);padding-bottom:10px}
.tabs a{font-size:14px;font-weight:500;color:var(--color-muted-foreground)}.tabs a.active{color:var(--color-primary)}

/* 서명 설정: 서명 편집기, 기본 서명, 받는 사람 규칙 */
.panel{border:1px solid var(--color-border);border-radius:8px;padding:14px 16px;margin:0 0 14px;background:var(--color-card)}
.panelhead{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:2px}
.panelhead h2{margin:0}
.panel>label{margin:10px 0 2px;max-width:420px}
.panel code{font-size:12px;background:var(--color-muted);color:var(--color-foreground);border-radius:4px;padding:1px 5px}
article.sig{display:block;padding:14px 0;border-bottom:1px solid var(--color-border)}
article.sig:hover{background:none}
article.sig:last-child{border-bottom:0;padding-bottom:4px}
.sighead{display:flex;gap:8px;align-items:end;margin-bottom:10px}
.sighead label{flex:0 1 320px}
.edtools{display:flex;gap:2px;flex-wrap:wrap;border:1px solid var(--color-input);border-bottom:0;border-radius:6px 6px 0 0;padding:3px;background:var(--color-muted)}
.edtools button{height:30px;min-width:30px;padding:0 9px;border:0;border-radius:4px;background:transparent;color:var(--color-foreground);font-weight:500;font-size:13px}
.edtools button:hover{background:var(--color-background);opacity:1}
.sigbody{min-height:96px;max-height:420px;overflow:auto;border:1px solid var(--color-input);border-radius:0 0 6px 6px;padding:10px 12px;background:var(--color-background);color:var(--color-foreground);font-size:14px;line-height:1.5;overflow-wrap:anywhere;outline:none;transition:border-color .15s,box-shadow .15s}
.sigbody:focus{border-color:var(--color-ring);box-shadow:0 0 0 1px var(--color-ring)}
.sigbody p{margin:0 0 4px;font-size:inherit;color:inherit}
.sigbody img{max-width:100%;height:auto;vertical-align:bottom}
.sigbody a{font-size:inherit}
.sigsource{display:block;width:100%;box-sizing:border-box;min-height:180px;max-height:480px;resize:vertical;margin:0;border:1px solid var(--color-input);border-radius:0 0 6px 6px;padding:10px 12px;background:var(--color-background);color:var(--color-foreground);font:12px/1.55 ui-monospace,SFMono-Regular,Menlo,Consolas,"D2Coding",monospace;white-space:pre-wrap;overflow-wrap:anywhere;tab-size:2}
.sigsource:focus{outline:none;border-color:var(--color-ring);box-shadow:0 0 0 1px var(--color-ring)}
.sourcenote{font-size:12px;margin:4px 0 0}
.edtools .htmltoggle{margin-left:auto;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px}
.edtools button[aria-pressed=true]{background:var(--color-background);box-shadow:inset 0 0 0 1px var(--color-border)}
.edtools button:disabled{opacity:.35;cursor:default}
.sigmeta{font-size:12px;margin:4px 0 0}.sigmeta.over{color:var(--color-destructive);font-weight:500}
.rule{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:end;padding:12px 0;border-bottom:1px solid var(--color-border)}
.rule:last-child{border-bottom:0;padding-bottom:4px}
.rule .patlabel{flex:2 1 260px}.rule .patlabel input{width:100%}
.rule .anylabel{justify-content:flex-end;height:36px;padding-bottom:0}
.rule .anylabel span{font-size:13px;height:36px}
.rule .ops{display:flex;gap:4px;margin-left:auto}
.rule .ops button{padding:0 11px}
#rules:empty::after{content:"규칙이 없으면 언제나 기본 서명을 씁니다.";display:block;padding:10px 0 2px;font-size:13px;color:var(--color-muted-foreground)}
#siglist:empty::after{content:"아직 만든 서명이 없습니다.";display:block;padding:14px 0 4px;font-size:13px;color:var(--color-muted-foreground)}

/* 웹메일 모달 안: 대화상자가 제목과 닫기를 제공하므로 단독 페이지의 머리말·로그인·로그아웃·전환 탭을 그리지 않는다.
   바탕은 비워 대화상자의 바탕이 그대로 보이게 하고(프레임 경계가 드러나지 않게), 안쪽 팝업도 프레임 영역만 덮는 어두운 막을 쓰지 않는다. */
:root.embedded{background:transparent}
.embedded header,.embedded #loginbox,.embedded #logout{display:none}
.embedded main{max-width:none;padding:2px}
.embedded #search{border:0;padding:0;background:none}
.embedded #editor,.embedded .panel{background:none}
.embedded dialog{background:var(--color-popover,var(--color-background));box-shadow:0 12px 48px rgba(0,0,0,.35)}
.embedded dialog::backdrop{background:transparent}

@media(max-width:600px){header,main{padding:12px}.panel{padding:12px}.sighead label{flex:1 1 auto}.rule>label{flex:1 1 100%}.rule select{width:100%}.rule .ops{margin-left:0}.row{display:grid;grid-template-columns:1fr}.row>*{width:100%}input,select{width:100%}#items article .row{display:flex}#items article .row>*{width:auto}dialog{width:94%;padding:14px}}