:root{--bg:#f4f6f5;--surface:#fff;--text:#16201b;--muted:#66736d;--line:#dde3e0;--accent:#04905A;--accent-2:#e7f4ee;--warn:#b45309;--danger:#c0392b}
*{box-sizing:border-box}
body{margin:0;font:14px/1.45 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text)}
[hidden]{display:none!important}
.muted{color:var(--muted)}
.btn{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:9px 14px;font-weight:600;cursor:pointer}
.btn:disabled{opacity:.45;cursor:default}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.link{background:none;border:0;color:var(--accent);cursor:pointer;padding:0;font:inherit}
input,textarea{font:inherit;border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:#fff;color:var(--text);width:100%}
textarea{resize:vertical;min-height:38px}
input:focus,textarea:focus{outline:2px solid var(--accent-2);border-color:var(--accent)}
/* login */
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:16px}
.login-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:28px;width:100%;max-width:360px;display:flex;flex-direction:column;gap:10px}
.login-card h1{margin:0;font-size:22px}
.login-card label{font-weight:600;margin-top:6px}
#code-box{display:flex;flex-direction:column;gap:10px}
.msg{min-height:20px;margin:4px 0 0}
.msg.err{color:var(--danger)}
/* top bar */
.topbar{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:10px 16px;background:var(--surface);border-bottom:1px solid var(--line)}
.brand{font-weight:800;font-size:16px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:9px;overflow:hidden}
.seg button{background:none;border:0;padding:7px 12px;cursor:pointer;font:inherit;color:var(--text)}
.seg button+button{border-left:1px solid var(--line)}
.seg button.active{background:var(--accent);color:#fff}
.seg button:disabled{color:var(--muted);cursor:default}
.seg.small button{padding:4px 10px;font-size:13px}
#search{max-width:280px;flex:1}
.user{margin-left:auto;color:var(--muted)}
.notice{margin:12px 16px;padding:10px 14px;border-radius:10px;background:#fff7e6;border:1px solid #f5d9a6;color:var(--warn)}
/* layout */
.layout{display:grid;grid-template-columns:230px 1fr;gap:0;min-height:calc(100vh - 56px)}
.screens{border-right:1px solid var(--line);background:var(--surface);padding:8px;overflow:auto}
.screens button{display:flex;justify-content:space-between;width:100%;text-align:left;background:none;border:0;border-radius:8px;padding:8px 10px;cursor:pointer;font:inherit;color:var(--text)}
.screens button:hover{background:var(--bg)}
.screens button.active{background:var(--accent-2);color:var(--accent);font-weight:700}
.screens .count{color:var(--muted);font-size:12px}
.screens .count.mod{color:var(--accent);font-weight:700}
.work{padding:16px;min-width:0}
.preview-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.preview-head h2{margin:0;font-size:18px}
.views{display:flex;gap:6px;flex-wrap:wrap}
.views button{border:1px solid var(--line);background:var(--surface);border-radius:20px;padding:4px 12px;cursor:pointer;font:inherit;font-size:13px}
.views button.active{border-color:var(--accent);color:var(--accent);font-weight:700}
.preview-wrap{display:flex;justify-content:center;background:#e3e8e5;border-radius:14px;padding:16px;margin-bottom:18px}
#preview{border:0;border-radius:18px;background:#000;box-shadow:0 6px 24px rgba(0,0,0,.18);width:390px;max-width:100%}
.bot-preview{width:390px;max-width:100%;min-height:300px;background:#cfe0d6;border-radius:18px;padding:14px;display:flex;flex-direction:column;gap:10px}
.bubble{background:#fff;border-radius:12px 12px 12px 4px;padding:8px 11px;white-space:pre-wrap;max-width:92%;box-shadow:0 1px 1px rgba(0,0,0,.08)}
.bubble .k{display:block;font-size:11px;color:var(--muted);margin-bottom:3px;font-family:ui-monospace,monospace}
.table-head{display:flex;align-items:center;gap:12px;margin:6px 0 8px}
.table-head h3{margin:0;font-size:15px}
table.texts{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.texts th,.texts td{padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}
.texts th{background:#f8faf9;font-size:12px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.03em}
.c-key{width:22%}.c-cur{width:28%}.c-edit{width:34%}.c-act{width:16%}
.key{font-family:ui-monospace,SFMono-Regular,monospace;font-size:12px;word-break:break-all}
.tag{display:inline-block;font-size:11px;border-radius:10px;padding:1px 7px;margin:3px 4px 0 0;background:var(--bg);color:var(--muted)}
.tag.mod{background:var(--accent-2);color:var(--accent);font-weight:700}
.cur{white-space:pre-wrap;word-break:break-word}
.def{margin-top:6px;font-size:12px;color:var(--muted);white-space:pre-wrap;word-break:break-word}
.hint{font-size:12px;color:var(--muted);margin-top:4px}
.err-hint{font-size:12px;color:var(--danger);margin-top:4px}
.acts{display:flex;flex-direction:column;gap:6px}
.acts .btn{padding:6px 10px;font-size:13px}
tr.flash td{animation:flash 1.6s}
@keyframes flash{from{background:var(--accent-2)}to{background:transparent}}
.history{padding:16px}
.history #hist-filter{max-width:260px}
.toast{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:#16201b;color:#fff;padding:9px 16px;border-radius:9px;opacity:0;transition:opacity .2s;pointer-events:none}
.toast.show{opacity:1}
.toast.err{background:var(--danger)}
@media (max-width:820px){
  .layout{grid-template-columns:1fr}
  .screens{display:flex;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line)}
  .screens button{white-space:nowrap;width:auto}
  .c-key,.c-cur,.c-edit,.c-act{width:auto}
  .texts thead{display:none}
  .texts tr{display:block;border-bottom:1px solid var(--line)}
  .texts td{display:block;border:0}
}