/* rusNAS Tracker — brand CSS (Task 14)
   Design tokens aligned with rusNAS dark theme (landing/index.html):
   bg #0d0d0d · card #161616 · accent #f5a623 · font Manrope */
:root{
  --bg:#0d0d0d;
  --panel:#161616;
  --ink:#ffffff;
  --muted:#b0b0b0;
  --accent:#f5a623;
  --accent2:#e8703a;
  --line:rgba(255,255,255,0.08);
  --danger:#d32f2f;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 Manrope,system-ui,sans-serif}

/* ── Topbar ── */
.topbar{
  display:flex;justify-content:space-between;align-items:center;
  padding:12px 20px;background:var(--panel);
  border-bottom:1px solid var(--line);
}
.brand{
  color:var(--accent);font-weight:700;text-decoration:none;font-size:18px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.topbar nav{display:flex;gap:14px;align-items:center}
.topbar a{color:var(--muted);text-decoration:none;font-size:14px;transition:color .15s}
.topbar a:hover{color:var(--ink)}

/* ── Layout ── */
main{max-width:960px;margin:28px auto;padding:0 16px}
h1{font-size:22px;font-weight:700;margin:0 0 20px}
h3{font-size:16px;font-weight:600;margin:24px 0 12px}

/* ── Card / Form ── */
.card{
  display:flex;flex-direction:column;gap:10px;max-width:520px;
  background:var(--panel);padding:20px;
  border:1px solid var(--line);border-radius:12px;
}
label{display:flex;flex-direction:column;gap:4px;color:var(--muted);font-size:13px}
input,select,textarea{
  background:#0a0a0a;color:var(--ink);
  border:1px solid var(--line);border-radius:7px;
  padding:8px 10px;font:inherit;outline:none;
  transition:border-color .15s;
}
input:focus,select:focus,textarea:focus{border-color:rgba(245,166,35,.5)}
textarea{resize:vertical;min-height:80px}
button{
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#111;border:0;border-radius:7px;
  padding:9px 16px;font-weight:700;font-size:14px;cursor:pointer;
  transition:opacity .15s;
}
button:hover{opacity:.88}

/* ── Inline helper ── */
.inline{display:inline-flex;gap:8px;align-items:center}

/* ── Tickets table ── */
table.tickets{width:100%;border-collapse:collapse;font-size:14px}
table.tickets th{
  text-align:left;padding:8px 10px;
  border-bottom:1px solid var(--line);
  color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em;
}
table.tickets td{
  text-align:left;padding:8px 10px;
  border-bottom:1px solid var(--line);
}
table.tickets tr:last-child td{border-bottom:none}
table.tickets a{color:var(--accent);text-decoration:none}
table.tickets a:hover{text-decoration:underline}

/* ── Filters ── */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px;align-items:center}
.filters select,.filters input[type=text],.filters input:not([type]){
  min-width:0;flex:0 1 auto;
}

/* ── Misc ── */
.error{color:var(--danger)}
.ok{color:#5fd17a}
.meta{color:var(--muted);font-size:13px}
pre.body{
  white-space:pre-wrap;background:var(--panel);
  padding:14px;border-radius:8px;border:1px solid var(--line);
  font-size:13px;line-height:1.6;
}
.comment{
  border-left:2px solid var(--accent);
  padding:4px 12px;margin:8px 0;
}

/* ── Support form spacing ── */
.card+.card{margin-top:12px}
form.inline+form.inline{margin-left:8px}

/* ── Responsive ── */
@media(max-width:480px){
  button{width:100%}
  input,select,textarea{font-size:16px}
  .filters{flex-direction:column;align-items:stretch}
}

/* ── Ticket thread (smart-fold) ── */
.thread-tools{font-size:13px;color:var(--muted);margin:4px 0 14px}
.thread-tools .tt-link{color:var(--accent);cursor:pointer;user-select:none;padding:4px 2px}
.thread-tools .tt-link:hover{text-decoration:underline}

/* each message = an elevated card so the boundary between replies is obvious */
.msg-d{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--line);
  border-radius:10px;margin:12px 0;overflow:hidden}
.msg-d>summary{list-style:none;cursor:pointer;display:flex;gap:10px;align-items:center;
  padding:10px 14px;min-height:44px;font-size:13px;outline:none;flex-wrap:wrap}
.msg-d>summary::-webkit-details-marker{display:none}
.msg-d>summary::after{content:"\25BE";margin-left:auto;color:var(--muted);font-size:11px}
.msg-d:not([open])>summary::after{content:"\25B8"}
.msg-d>summary:focus-visible{box-shadow:inset 0 0 0 2px rgba(245,166,35,.55)}
.msg-d[open]>summary{border-bottom:1px solid var(--line)}
.role-name{font-weight:600;font-size:12px;padding:2px 11px;border-radius:20px;white-space:nowrap;
  background:rgba(255,255,255,.06);color:var(--muted)}
.msg-date{color:var(--muted);font-size:12px;white-space:nowrap}
.msg-prev{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:40px}
.msg-d[open]>summary .msg-prev{display:none}
.role-customer{border-left-color:#5aa9ff}.role-customer .role-name{background:rgba(90,169,255,.16);color:#7cbcff}
.role-ai{border-left-color:#3bbf99}.role-ai .role-name{background:rgba(59,191,153,.16);color:#5fd3b2}
.role-staff{border-left-color:var(--accent)}.role-staff .role-name{background:rgba(245,166,35,.16);color:var(--accent)}
.msg-body{padding:12px 14px 14px}
.msg-text{white-space:pre-wrap;font-family:inherit;font-size:13.5px;line-height:1.65;
  margin:0;background:transparent;border:0;padding:0;color:var(--ink);overflow-wrap:anywhere}
.msg-quote{margin:10px 0 0}
.msg-quote>summary{list-style:none;cursor:pointer;display:inline-block;font-size:12px;color:var(--muted);
  padding:3px 11px;border:1px solid var(--line);border-radius:20px;min-height:30px}
.msg-quote>summary::-webkit-details-marker{display:none}
.msg-quote>summary:hover{color:var(--ink);border-color:var(--muted)}
.msg-quoted{color:var(--muted);font-size:12px;border-left:2px solid var(--line);padding-left:10px;margin-top:8px;overflow-wrap:anywhere}
.msg-note{border:1px dashed rgba(245,166,35,.45);background:rgba(245,166,35,.06);
  border-radius:10px;padding:9px 14px;margin:12px 0}
.msg-note .role-name{background:transparent;color:var(--accent);font-size:11px;padding:0}
.msg-note .msg-text{margin:4px 0 0;font-size:12.5px}
.crow{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:12px 0}
.compose{position:sticky;bottom:0;background:var(--bg);border-top:1px solid var(--line);
  padding:12px 0 8px;margin-top:18px;z-index:5}
.compose textarea{width:100%}
.compose .crow{margin:8px 0 0}
.tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}

/* ── Attachments + file upload ── */
.att-list{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.att-chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--ink);text-decoration:none;
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:20px;padding:5px 12px}
.att-chip:hover{border-color:var(--accent);color:var(--accent)}
.att-chip .att-size{color:var(--muted);font-size:11px}
.file-btn{display:inline-flex;align-items:center;gap:7px;cursor:pointer;font-size:13px;color:var(--muted);
  border:1px dashed var(--line);border-radius:8px;padding:9px 13px;min-height:42px;background:transparent}
.file-btn:hover{color:var(--ink);border-color:var(--muted)}
.file-btn input[type=file]{display:none}
.file-names{font-size:12px;color:var(--accent);align-self:center;overflow-wrap:anywhere;min-width:0}
.file-hint{font-size:11.5px;margin:8px 0 0}
.msg-atts{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 2px}
.att-thumb-link{display:inline-block;line-height:0}
.att-thumb{max-width:170px;max-height:130px;border:1px solid var(--line);border-radius:8px;
  object-fit:cover;background:#0a0a0a;transition:border-color .15s;cursor:pointer}
.att-thumb-link:hover .att-thumb{border-color:var(--accent)}

/* ── Mobile: thread + actions + tables (≤600px) ── */
@media(max-width:600px){
  main{padding:0 12px;margin:16px auto}
  h1{font-size:19px}
  .msg-d>summary{gap:6px 8px;padding:11px 12px}
  .msg-prev{flex-basis:100%;order:5;min-width:0}
  .msg-d>summary::after{order:4}
  .msg-body{padding:11px 12px 13px}
  .compose .crow button{width:100%;min-height:44px}
  .crow{flex-direction:column;align-items:stretch}
  form.inline{display:flex;gap:6px;width:100%}
  form.inline select{flex:1;min-height:44px}
  form.inline button{width:auto;min-height:44px}
  table.tickets{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  table.tickets,table.kv{font-size:12.5px}
  .kv td:first-child{width:auto}
  .compose .crow{flex-direction:column;align-items:stretch}
  .file-btn{justify-content:center;width:100%}
  .file-names{align-self:flex-start}
  .att-thumb{max-width:44vw;max-height:150px}
}

/* Поддержка: вкладки, массовые действия, слияние/удаление */
.sup-tabs{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin:0 0 14px}
.sup-tabs>a{color:var(--muted);text-decoration:none;font-size:14px;padding:6px 12px;border-radius:20px;border:1px solid transparent}
.sup-tabs>a:hover{color:var(--ink)}
.sup-tabs>a.on{color:var(--ink);border-color:var(--line);background:var(--panel)}
.sup-search{margin-left:auto}
.sup-search input{min-width:220px}
.sup-bulk{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:0 0 10px;padding:8px 10px;
  border:1px solid var(--line);border-radius:8px;background:var(--panel)}
.sup-count{color:var(--muted);font-size:13px;margin-right:auto}
.sup-bulk button:disabled{opacity:.35;cursor:not-allowed}
.sup-cb{width:28px}
.sup-cb input{width:16px;height:16px;margin:0;cursor:pointer}
.btn-danger{background:var(--danger)!important;color:#fff!important}
.sup-pick{border:0;padding:0;margin:12px 0;display:flex;flex-direction:column;gap:8px}
.sup-opt{flex-direction:row;align-items:flex-start;gap:10px;color:var(--ink);font-size:14px;
  padding:10px 12px;border:1px solid var(--line);border-radius:8px;cursor:pointer}
.sup-opt:has(input:checked){border-color:var(--accent);background:rgba(245,166,35,.06)}
.sup-opt input{margin-top:3px}
.sup-list{margin:8px 0 12px;padding-left:20px;line-height:1.8}
.sup-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:10px}
.card>label+label{margin-top:10px}
.sup-archived{display:inline-block;font-size:12px;padding:1px 9px;border-radius:20px;background:var(--line);color:var(--muted)}
.sup-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:12px 0}
.sup-actions .sup-merge input{width:110px}
.sup-actions a.btn{display:inline-block;padding:7px 14px;border-radius:8px;border:1px solid var(--line);
  color:var(--ink);text-decoration:none;font-size:14px}
.sup-actions a.btn:hover{border-color:var(--accent);color:var(--accent)}
@media (max-width:768px){.sup-grid{grid-template-columns:1fr 1fr}.sup-search{margin-left:0;width:100%}.sup-search input{width:100%;min-width:0}}
@media (max-width:480px){.sup-grid{grid-template-columns:1fr}.sup-bulk button{flex:1}}
.meta a{color:var(--accent);text-decoration:none}
.meta a:hover{text-decoration:underline}
.card.sup-wide{max-width:760px}
#sup-bulk table.tickets td:nth-child(2){white-space:nowrap}