/* ============================================================================
   postiefs-mailserver — webmail theme
   This file controls the ENTIRE webmail look. Edit freely and rebuild the
   webmail container (or bind-mount this folder) to change the UI.
   The accent colour (--ac) is injected from your brand colour at runtime.
   ============================================================================ */
:root{
  --bg:#0d1117;        /* page background        */
  --panel:#0f141b;     /* sidebar                */
  --card:#161c26;      /* cards / surfaces       */
  --line:#262d39;      /* borders                */
  --hover:#1b2330;     /* hover surface          */
  --txt:#e6edf3;       /* primary text           */
  --mut:#8b95a5;       /* muted text             */
  --radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--txt);-webkit-font-smoothing:antialiased}
.ic{display:inline-block;vertical-align:middle;width:18px;height:18px;flex:none}
a{color:var(--ac)}

/* ---- shell ---------------------------------------------------------------- */
.app{display:flex;min-height:100vh}
aside{width:248px;flex:none;background:var(--panel);border-right:1px solid var(--line);
  padding:16px;display:flex;flex-direction:column;gap:3px;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:600;color:var(--ac);padding:6px 8px 16px}
.brand .ic{width:22px;height:22px}
.comp{display:flex;align-items:center;justify-content:center;gap:9px;background:var(--ac);color:#fff;
  padding:12px;border-radius:var(--radius);text-decoration:none;font-weight:500;margin-bottom:12px}
.comp .ic{width:18px;height:18px}
.comp:hover{filter:brightness(1.07)}
nav{display:flex;flex-direction:column;gap:2px;flex:1}
nav a{display:flex;align-items:center;gap:12px;color:var(--txt);text-decoration:none;
  padding:10px 12px;border-radius:10px;font-size:14px;line-height:1}
nav a .ic{width:18px;height:18px;color:var(--mut)}
nav a:hover{background:var(--hover)}
nav a.active{background:var(--hover);color:var(--ac);box-shadow:inset 3px 0 0 var(--ac)}
nav a.active .ic{color:var(--ac)}
.who{display:flex;align-items:center;gap:11px;padding:12px 8px 4px;border-top:1px solid var(--line);margin-top:6px}
.who .whom{min-width:0}
.we{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:150px}
.who a{display:flex;align-items:center;gap:6px;color:var(--mut);font-size:12px;text-decoration:none;margin-top:3px}
.who a .ic{width:14px;height:14px}
.who a:hover{color:var(--txt)}
.ava{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:600;font-size:15px;flex:none}
.ava.sm{width:34px;height:34px;font-size:14px}
main{flex:1;min-width:0;padding:22px 28px;max-width:1120px}

/* ---- list ----------------------------------------------------------------- */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}
.topbar h2{font-size:20px;font-weight:600;margin:0;text-transform:capitalize}
.search{display:flex;align-items:center;gap:9px;background:var(--card);border:1px solid var(--line);
  border-radius:10px;padding:0 13px;width:min(340px,48%)}
.search .ic{width:16px;height:16px;color:var(--mut)}
.search input{flex:1;background:transparent;border:0;color:var(--txt);padding:11px 0;outline:none;font:inherit}
.list{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.mrow{display:flex;align-items:center;gap:13px;padding:13px 16px;border-bottom:1px solid var(--line);
  text-decoration:none;color:var(--txt)}
.mrow:last-child{border-bottom:0}
.mrow:hover{background:var(--hover)}
.mrow .dot{width:8px;height:8px;border-radius:50%;background:transparent;flex:none}
.mrow.unread .dot{background:var(--ac)}
.mrow .mfrom{width:188px;flex:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mrow.unread .mfrom{font-weight:600}
.msubj{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--mut)}
.mrow.unread .msubj{color:var(--txt);font-weight:500}
.mdate{color:var(--mut);font-size:12.5px;white-space:nowrap;flex:none}
.empty{padding:54px;text-align:center;color:var(--mut)}
.pager{display:flex;gap:18px;align-items:center;justify-content:center;margin-top:18px;color:var(--mut);font-size:13px}
.pager a{text-decoration:none}

/* ---- buttons -------------------------------------------------------------- */
.toolbar{display:flex;gap:9px;align-items:center;margin-bottom:18px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:7px;background:var(--card);color:var(--txt);
  border:1px solid var(--line);padding:9px 14px;border-radius:10px;text-decoration:none;cursor:pointer;font:13.5px inherit}
.btn .ic{width:16px;height:16px}
.btn:hover{background:var(--hover)}
.btn.primary{background:var(--ac);border-color:var(--ac);color:#fff}
.btn.primary:hover{filter:brightness(1.07)}
.btn.d{color:#ff7b7b;border-color:rgba(209,36,47,.45)}
.btn.d:hover{background:rgba(209,36,47,.12)}
.inl{display:inline;margin:0}

/* ---- message -------------------------------------------------------------- */
.msg{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.msg h2{font-size:21px;margin:0 0 18px;font-weight:600;line-height:1.3}
.mhead{display:flex;align-items:center;gap:13px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:8px}
.mhead .nm{font-weight:600}
.mhead .ad{color:var(--mut);font-size:13px}
.mhead .dt{margin-left:auto;color:var(--mut);font-size:13px;white-space:nowrap}
.msub{color:var(--mut);font-size:13px;margin:10px 0 0}
.atts{display:flex;flex-wrap:wrap;gap:9px;margin:16px 0 4px}
.chip{display:inline-flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);
  border-radius:10px;padding:9px 13px;text-decoration:none;font-size:13px}
.chip .ic{width:15px;height:15px;color:var(--mut)}
.body{margin-top:18px}
.body iframe{width:100%;height:62vh;border:0;background:#fff;border-radius:10px}
.text{white-space:pre-wrap;word-break:break-word;font:14px/1.7 inherit;color:var(--txt);margin:0}

/* ---- compose -------------------------------------------------------------- */
.compose{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;max-width:840px}
.compose label{display:block;margin-bottom:15px;font-size:12px;color:var(--mut);
  text-transform:uppercase;letter-spacing:.05em}
.compose input,.compose textarea{display:block;width:100%;margin-top:7px;background:var(--bg);
  border:1px solid var(--line);color:var(--txt);padding:11px 13px;border-radius:10px;
  font:14px/1.6 inherit;text-transform:none;letter-spacing:0}
.compose textarea{resize:vertical;min-height:300px}
.compose input[type=file]{padding:10px;color:var(--mut)}
.compose input:focus,.compose textarea:focus,.search input:focus{outline:none;border-color:var(--ac)}

/* ---- flash / login -------------------------------------------------------- */
.flash{padding:11px 15px;border-radius:10px;margin-bottom:16px;font-size:13.5px;
  background:rgba(46,160,67,.14);border:1px solid rgba(46,160,67,.45);color:#7ee2a8}
.flash.err{background:rgba(209,36,47,.14);border-color:rgba(209,36,47,.45);color:#ff9b9b}
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}
.box{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:34px;width:100%;max-width:380px}
.box h1{color:var(--ac);font-size:22px;margin:0 0 22px;text-align:center}
.box input{width:100%;margin-bottom:13px;background:var(--bg);border:1px solid var(--line);
  color:var(--txt);padding:12px 14px;border-radius:10px;font:14px inherit}
.box input:focus{outline:none;border-color:var(--ac)}
.box button{width:100%;background:var(--ac);border:0;color:#fff;padding:12px;border-radius:10px;
  cursor:pointer;font:500 14px inherit}
.box button:hover{filter:brightness(1.07)}

/* ---- responsive ----------------------------------------------------------- */
@media(max-width:760px){
  aside{width:66px;padding:12px 8px}
  .brand span,.comp span,nav a span,.who .whom{display:none}
  .brand{justify-content:center;padding:6px 0 14px}
  .comp{padding:12px}
  nav a{justify-content:center;padding:11px 0}
  nav a.active{box-shadow:none}
  .who{justify-content:center}
  main{padding:16px}
  .mrow .mfrom{width:110px}
  .search{width:46%}
}