:root{--bg:#f5f6f8;--card:#fff;--text:#1d2330;--muted:#6b7280;--line:#e3e6eb;--accent:#2f5bea;
--new:#2f5bea;--open:#0f8a5f;--pending:#b7791f;--closed:#6b7280;--urgent:#c53030;--high:#dd6b20}
*{box-sizing:border-box}
body{margin:0;font:14px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
header{background:#1d2330;color:#fff;padding:0 20px;display:flex;align-items:center;gap:20px;height:52px}
header .brand{font-weight:600;font-size:16px;color:#fff}
header nav{display:flex;gap:16px;flex:1}header nav a{color:#cfd6e4}
header form{margin:0}header .who{color:#cfd6e4;font-size:13px}
main{max-width:1200px;margin:0 auto;padding:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:16px;margin-bottom:16px}
h1{font-size:20px;margin:0 0 12px}h2{font-size:15px;margin:0 0 10px}
table{width:100%;border-collapse:collapse;background:var(--card)}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;text-transform:uppercase;color:var(--muted);font-weight:600}
tr:hover td{background:#fafbfc}
.badge{display:inline-block;padding:1px 8px;border-radius:10px;font-size:12px;font-weight:600;color:#fff}
.s-new{background:var(--new)}.s-open{background:var(--open)}.s-pending{background:var(--pending)}.s-closed{background:var(--closed)}
.p-urgent{color:var(--urgent);font-weight:700}.p-high{color:var(--high);font-weight:600}.p-low{color:var(--muted)}
.muted{color:var(--muted)}.small{font-size:12px}
input,select,textarea,button{font:inherit}
input[type=text],input[type=email],input[type=password],select,textarea{padding:7px 9px;border:1px solid #cfd4dc;border-radius:6px;background:#fff;width:100%}
textarea{min-height:140px;resize:vertical}
button,.btn{background:var(--accent);color:#fff;border:0;border-radius:6px;padding:7px 14px;cursor:pointer;display:inline-block}
button.secondary,.btn.secondary{background:#e7eaf0;color:var(--text)}
button.link{background:none;color:#cfd6e4;padding:0}
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.filters select,.filters input{width:auto}
.tabs{display:flex;gap:4px;margin-bottom:12px;flex-wrap:wrap}
.tabs a{padding:5px 12px;border-radius:6px;background:#e7eaf0;color:var(--text)}.tabs a.on{background:var(--accent);color:#fff}
.grid{display:grid;grid-template-columns:1fr 300px;gap:16px}
@media(max-width:860px){.grid{grid-template-columns:1fr}header nav{display:none}}
.msg{border:1px solid var(--line);border-radius:8px;margin-bottom:10px;background:#fff}
.msg .head{padding:8px 12px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:10px;font-size:13px}
.msg .body{padding:12px;white-space:pre-wrap;word-wrap:break-word}
.msg.in .head{background:#eef3ff}.msg.out .head{background:#eaf7f1}.msg.note{border-color:#f0d68a}.msg.note .head{background:#fff8e1}
.event{color:var(--muted);font-size:12px;margin:6px 0 10px 4px}
.atts{padding:0 12px 10px;font-size:13px}
.field{margin-bottom:10px}.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:3px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.flash{padding:10px 14px;border-radius:6px;margin-bottom:12px}
.flash.error{background:#fde8e8;color:#9b1c1c}.flash.ok{background:#e6f6ee;color:#0b6b47}
.login{max-width:360px;margin:80px auto}