/* ==========================================================
   خانه ایرانیان — استایل پنل مدیریت «پشتیبانی هوشمند»
   هم‌خانوادهٔ پنل موجود: کرم/سرمه‌ای/برنجی، Yekan Bakh،
   گوشه‌های ۲ پیکسل، RTL. بدون فونت/تصویر خارجی و بدون
   وابستگی به اسکریپت درون‌خطی (CSP-safe).
   ========================================================== */

/* ---------- نشان unread روی تب ---------- */
.chat-tab-badge{
  display:inline-flex; align-items:center; justify-content:center;
  min-width:20px; height:20px; padding:0 6px; margin-inline-start:7px;
  border-radius:999px; background:var(--stamp,#8C3B2E); color:#fff;
  font-size:11px; font-weight:700; line-height:1; vertical-align:middle;
}
#chatUnreadBadge[hidden]{ display:none !important; }
.dash-tab.active .chat-tab-badge{ background:#fff; color:var(--navy,#1B2440); }
.dash-tab[data-tab="chat"]{ display:inline-flex; align-items:center; }

/* ---------- ریشهٔ پنل ---------- */
.admin-chat-app{
  --ac-navy:var(--navy,#1B2440);
  --ac-navy-2:var(--navy-2,#2A3660);
  --ac-brass:var(--brass,#A9824C);
  --ac-brass-light:var(--brass-light,#C7A76B);
  --ac-paper:var(--paper,#FAF7F0);
  --ac-paper-alt:var(--paper-alt,#F1EAD9);
  --ac-ink:var(--ink,#23262B);
  --ac-ink-soft:var(--ink-soft,#5B5A54);
  --ac-line:var(--line,#E2D9C4);
  --ac-stamp:var(--stamp,#8C3B2E);
  --ac-available:var(--available,#3F7A5C);
  --ac-card:#fff;
  --ac-radius:var(--radius,2px);
  --ac-shadow:0 16px 36px -26px rgba(27,36,64,.4);
  color:var(--ac-ink);
  font-family:'Yekan Bakh','Tahoma',sans-serif;
}
.admin-chat-app [hidden]{ display:none !important; }
#acLightbox[hidden], #acToast[hidden]{ display:none !important; }

.admin-chat-app .btn{ font-family:inherit; }
.admin-chat-app .btn.btn-sm{ padding:7px 14px; font-size:12.5px; }

.ac-sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0;
}

/* ---------- سربرگ ---------- */
.ac-head{
  display:flex; align-items:flex-start; justify-content:space-between;
  gap:18px; flex-wrap:wrap; margin-bottom:20px;
}
.ac-title{ font-size:20px; font-weight:800; color:var(--ac-navy); margin:0 0 4px; }
.ac-subtitle{ margin:0; font-size:13px; color:var(--ac-ink-soft); line-height:1.9; max-width:640px; }
.ac-head-actions{ display:flex; align-items:center; gap:12px; flex-wrap:wrap; }
.ac-live{
  display:inline-flex; align-items:center; gap:7px;
  font-size:11.5px; color:var(--ac-ink-soft); white-space:nowrap;
}
.ac-live-dot{
  width:7px; height:7px; border-radius:50%; background:var(--ac-available);
  box-shadow:0 0 0 3px rgba(63,122,92,.14); animation:ac-live-pulse 2.6s ease-in-out infinite;
}
@keyframes ac-live-pulse{ 0%,100%{ opacity:.55; transform:scale(.92); } 50%{ opacity:1; transform:scale(1.08); } }

/* ---------- نوار آمار ---------- */
.ac-stats{
  display:grid; grid-template-columns:repeat(6,minmax(0,1fr));
  gap:10px; margin-bottom:20px;
}
.ac-stat{
  background:var(--ac-card); border:1px solid var(--ac-line);
  border-top:2px solid var(--ac-brass); padding:13px 14px;
  display:flex; flex-direction:column; gap:3px; min-width:0;
  border-radius:var(--ac-radius);
}
.ac-stat-value{
  font-size:21px; font-weight:800; color:var(--ac-navy); line-height:1.5;
  min-height:30px; display:flex; align-items:center;
}
.ac-stat-label{ font-size:11.5px; color:var(--ac-ink-soft); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.ac-stat-sub{ font-size:10.5px; color:var(--ac-brass); min-height:14px; }
.ac-stat-unread{ border-top-color:var(--ac-stamp); }
.ac-stat-unread .ac-stat-value{ color:var(--ac-stamp); }

/* ---------- اسکلت لودینگ ---------- */
.ac-skel{
  display:inline-block; background:linear-gradient(90deg,var(--ac-paper-alt) 25%,#faf6ee 50%,var(--ac-paper-alt) 75%);
  background-size:220% 100%; animation:ac-shimmer 1.5s ease-in-out infinite;
  border-radius:var(--ac-radius);
}
.ac-skel-val{ width:46px; height:18px; }
.ac-skel-line{ width:100%; height:10px; margin:4px 0; }
.ac-skel-line.short{ width:62%; }
.ac-skel-bubble{ width:62%; height:52px; }
@keyframes ac-shimmer{ 0%{ background-position:120% 0; } 100%{ background-position:-120% 0; } }

/* ---------- خطاهای درون‌خطی ---------- */
.ac-inline-error{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  flex-wrap:wrap; padding:11px 14px; margin:0 0 14px;
  border:1px solid var(--warn-line,#D9A889); background:var(--warn-bg,#FBEFE8);
  color:var(--warn-ink,#7A3E1E); font-size:12.5px; line-height:1.9;
  border-radius:var(--ac-radius);
}
.ac-inline-error .btn{ flex-shrink:0; }
.ac-stats-error{ margin-top:-8px; }
.ac-list-error{ margin:10px 0; }

/* ==========================================================
   کارت تنظیمات (details)
   ========================================================== */
.ac-settings{ padding:0; overflow:hidden; }
.ac-settings-summary{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:18px 22px; cursor:pointer; list-style:none;
  transition:background .2s ease;
}
.ac-settings-summary::-webkit-details-marker{ display:none; }
.ac-settings-summary::marker{ content:''; }
.ac-settings-summary:hover{ background:#fcfaf5; }
.ac-settings-heading{ display:flex; flex-direction:column; gap:3px; min-width:0; }
.ac-settings-heading b{ font-size:14.5px; color:var(--ac-navy); }
.ac-settings-heading small{ font-size:11.5px; color:var(--ac-ink-soft); line-height:1.8; }
.ac-settings-caret{
  flex-shrink:0; width:8px; height:8px; margin-inline-start:4px;
  border-left:1.5px solid var(--ac-brass); border-bottom:1.5px solid var(--ac-brass);
  transform:rotate(-45deg); transition:transform .22s ease;
}
.ac-settings[open] .ac-settings-caret{ transform:rotate(135deg); }
.ac-settings-state{
  display:inline-flex; align-items:center; gap:7px; flex-shrink:0;
  font-size:11.5px; padding:5px 11px; border-radius:999px;
  border:1px solid var(--ac-line); background:var(--ac-paper);
  color:var(--ac-ink-soft); white-space:nowrap;
}
.ac-state-dot{ width:7px; height:7px; border-radius:50%; background:var(--ac-ink-soft); }
.ac-settings-state.is-on{ border-color:rgba(63,122,92,.4); background:#EAF3EE; color:var(--ac-available); }
.ac-settings-state.is-on .ac-state-dot{ background:var(--ac-available); box-shadow:0 0 0 3px rgba(63,122,92,.14); }
.ac-settings-state.is-off{ border-color:var(--ac-line); background:var(--ac-paper-alt); color:var(--ac-ink-soft); }
.ac-settings-state.is-off .ac-state-dot{ background:var(--ac-ink-soft); }
.ac-settings-state.is-err{ border-color:var(--warn-line,#D9A889); background:var(--warn-bg,#FBEFE8); color:var(--warn-ink,#7A3E1E); }
.ac-settings-state.is-err .ac-state-dot{ background:var(--ac-stamp); }

.ac-settings-body{ padding:0 22px 22px; border-top:1px dashed var(--ac-line); }
.ac-settings-loading{ padding:20px 0; font-size:12.5px; color:var(--ac-ink-soft); }
.ac-fieldset{ border:0; margin:0; padding:16px 0 0; min-width:0; }
.ac-fieldset[disabled]{ opacity:.72; }

/* ---------- فرم ---------- */
.ac-form-grid{ display:grid; grid-template-columns:1fr 1fr; gap:14px 16px; margin-bottom:16px; }
.ac-field{ min-width:0; }
.ac-span-2{ grid-column:1 / -1; }
.ac-field > label{ font-size:12px; color:var(--ac-ink-soft); display:block; margin-bottom:6px; }
.ac-field input[type="text"],
.ac-field input[type="number"],
.ac-field input[type="password"],
.ac-field input[type="search"],
.ac-field select,
.ac-field textarea{
  width:100%; border:1px solid var(--ac-line); background:#fff;
  padding:9px 11px; border-radius:var(--ac-radius);
  font-family:'Yekan Bakh','Tahoma',sans-serif; font-size:13px; color:var(--ac-ink);
  transition:border-color .2s ease, box-shadow .2s ease;
}
.ac-field textarea{ min-height:72px; resize:vertical; line-height:1.9; }
.ac-field input:focus,
.ac-field select:focus,
.ac-field textarea:focus{
  outline:none; border-color:var(--ac-brass);
  box-shadow:0 0 0 2px rgba(169,130,76,.18);
}
.ac-field input.is-invalid,
.ac-field select.is-invalid,
.ac-field textarea.is-invalid{ border-color:var(--ac-stamp); box-shadow:0 0 0 2px rgba(140,59,46,.14); }
.ac-help{ display:block; margin-top:5px; font-size:11px; color:var(--ac-ink-soft); line-height:1.8; }
.ac-help.is-warn{ color:var(--warn-ink,#7A3E1E); }

/* ---------- سوییچ ---------- */
.ac-switch{
  display:flex; align-items:center; gap:12px; cursor:pointer;
  margin:0 !important; padding:10px 12px; border:1px solid var(--ac-line);
  background:var(--ac-paper); border-radius:var(--ac-radius);
}
.ac-switch input{ position:absolute; opacity:0; pointer-events:none; width:1px; height:1px; }
.ac-switch-track{
  position:relative; width:38px; height:20px; border-radius:999px;
  background:#c8c4bd; flex-shrink:0; transition:background .2s ease;
}
.ac-switch-track::after{
  content:''; position:absolute; top:3px; right:3px;
  width:14px; height:14px; border-radius:50%; background:#fff;
  box-shadow:0 1px 2px rgba(0,0,0,.2); transition:transform .2s ease;
}
.ac-switch input:checked + .ac-switch-track{ background:var(--ac-available); }
.ac-switch input:checked + .ac-switch-track::after{ transform:translateX(-18px); }
.ac-switch input:focus-visible + .ac-switch-track{ outline:2px solid var(--ac-brass); outline-offset:2px; }
.ac-switch input:disabled + .ac-switch-track{ opacity:.5; }
.ac-switch-text{ display:flex; flex-direction:column; gap:2px; min-width:0; }
.ac-switch-text b{ font-size:12.5px; color:var(--ac-navy); }
.ac-switch-text small{ font-size:11px; color:var(--ac-ink-soft); line-height:1.8; }

/* ---------- کلید API ---------- */
.ac-api-card{
  border:1px dashed var(--ac-brass-light); background:linear-gradient(180deg,#fffdf8,#faf6ee);
  padding:14px 16px; margin-bottom:16px; border-radius:var(--ac-radius);
}
.ac-key-row{ display:flex; gap:10px; align-items:stretch; flex-wrap:wrap; }
.ac-key-row input{ flex:1 1 240px; min-width:0; }
.ac-key-row .btn{ flex-shrink:0; }
.ac-key-mask{ color:var(--ac-ink-soft); direction:rtl; }
.ac-key-mask.is-warn{ color:var(--warn-ink,#7A3E1E); }
.ac-test-result{
  display:flex; align-items:flex-start; gap:8px; margin-top:10px;
  padding:9px 12px; border-radius:var(--ac-radius);
  font-size:12px; line-height:1.9; border:1px solid var(--ac-line);
  background:#fff; color:var(--ac-ink-soft);
}
.ac-test-icon{
  display:inline-flex; align-items:center; justify-content:center;
  width:18px; height:18px; border-radius:50%; flex-shrink:0;
  font-size:11px; font-weight:700; color:#fff; background:var(--ac-ink-soft); margin-top:2px;
}
.ac-test-result.is-ok{ border-color:rgba(63,122,92,.4); background:#EAF3EE; color:var(--ac-available); }
.ac-test-result.is-ok .ac-test-icon{ background:var(--ac-available); }
.ac-test-result.is-err{ border-color:var(--warn-line,#D9A889); background:var(--warn-bg,#FBEFE8); color:var(--warn-ink,#7A3E1E); }
.ac-test-result.is-err .ac-test-icon{ background:var(--ac-stamp); }
.ac-test-result.is-loading{ border-style:dashed; }
.ac-test-model{ opacity:.8; font-size:11px; }

/* ---------- ردیف ذخیره ---------- */
.ac-save-row{
  display:flex; justify-content:flex-end; align-items:center; gap:12px;
  margin-top:18px; padding-top:16px; border-top:1px dashed var(--ac-line);
}
.ac-save-row .save-msg{ margin-inline-end:auto; }

/* ==========================================================
   میزکار گفتگوها
   ========================================================== */
.ac-workspace{
  display:grid; grid-template-columns:minmax(280px,350px) minmax(0,1fr);
  gap:16px; direction:ltr; align-items:stretch; margin-bottom:26px;
}
.ac-conv-pane, .ac-transcript-pane{ direction:rtl; min-width:0; padding:0; }
.ac-transcript-main{ margin:0; }

.ac-conv-pane{
  display:flex; flex-direction:column;
  background:var(--ac-card); border:1px solid var(--ac-line);
  border-top:3px solid var(--ac-navy); border-radius:var(--ac-radius);
  height:clamp(460px, calc(100vh - 250px), 640px); overflow:hidden;
}
.ac-conv-toolbar{
  padding:12px 12px 10px; border-bottom:1px solid var(--ac-line);
  background:linear-gradient(180deg,#fff,#fcfaf5); flex-shrink:0;
}
.ac-search-wrap{ margin-bottom:9px; }
.ac-search-wrap input{
  width:100%; border:1px solid var(--ac-line); background:#fff;
  padding:8px 11px; border-radius:var(--ac-radius);
  font-family:'Yekan Bakh','Tahoma',sans-serif; font-size:12.5px;
}
.ac-search-wrap input:focus{ outline:none; border-color:var(--ac-brass); box-shadow:0 0 0 2px rgba(169,130,76,.16); }
.ac-filter-chips{ display:flex; gap:5px; flex-wrap:wrap; }
.ac-chip{
  border:1px solid var(--ac-line); background:#fff; color:var(--ac-ink-soft);
  font-family:inherit; font-size:11px; padding:5px 11px; cursor:pointer;
  border-radius:999px; transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.ac-chip:hover{ border-color:var(--ac-brass); color:var(--ac-navy); }
.ac-chip.is-active{ background:var(--ac-navy); border-color:var(--ac-navy); color:#fff; }

.ac-conv-list{
  flex:1 1 auto; min-height:0; overflow-y:auto; overflow-x:hidden;
  scrollbar-width:thin; scrollbar-color:var(--ac-line) transparent;
  padding:4px 0;
}
.ac-conv-list::-webkit-scrollbar{ width:6px; }
.ac-conv-list::-webkit-scrollbar-thumb{ background:var(--ac-line); border-radius:6px; }

.ac-conv{
  display:flex; flex-direction:column; gap:6px; width:100%;
  text-align:right; background:none; border:0; border-bottom:1px solid var(--ac-line);
  padding:12px 13px; margin:0; cursor:pointer; font-family:inherit;
  color:var(--ac-ink); transition:background .16s ease, box-shadow .16s ease;
}
.ac-conv:hover{ background:#faf6ee; }
.ac-conv.is-active{ background:#f4efe3; box-shadow:inset 3px 0 0 var(--ac-navy); }
.ac-conv:focus-visible{ outline:2px solid var(--ac-brass); outline-offset:-2px; }
.ac-conv-skel{ cursor:default; pointer-events:none; }
.ac-conv-top{ display:flex; align-items:baseline; justify-content:space-between; gap:8px; }
.ac-conv-name{ font-size:12.5px; font-weight:700; color:var(--ac-navy); overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.ac-conv-time{ font-size:10.5px; color:var(--ac-ink-soft); flex-shrink:0; }
.ac-conv-meta{ display:flex; align-items:center; gap:6px; flex-wrap:wrap; }
.ac-conv-origin{
  font-size:10px; color:var(--ac-ink-soft); max-width:150px;
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap; direction:ltr;
}
.ac-conv-unread{
  margin-inline-start:auto; min-width:18px; height:18px; padding:0 5px;
  display:inline-flex; align-items:center; justify-content:center;
  border-radius:999px; background:var(--ac-stamp); color:#fff;
  font-size:10px; font-weight:700; line-height:1;
}
.ac-conv-preview{ display:flex; align-items:flex-start; gap:6px; min-width:0; }
.ac-conv-snippet{
  font-size:11.5px; color:var(--ac-ink-soft); line-height:1.8;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical;
  overflow:hidden; text-overflow:ellipsis; overflow-wrap:anywhere;
}
.ac-muted{ color:#9b978e !important; }

.ac-role-icon{ display:inline-flex; width:15px; height:15px; flex-shrink:0; margin-top:3px; color:var(--ac-brass); }
.ac-role-icon svg{ width:100%; height:100%; }
.ac-role-icon-visitor{ color:var(--ac-navy); }
.ac-role-icon-assistant{ color:var(--ac-brass); }
.ac-role-icon-admin{ color:var(--ac-available); }

.ac-status{
  display:inline-flex; align-items:center; font-size:10px; line-height:1;
  padding:3px 8px; border-radius:999px; white-space:nowrap;
  border:1px solid transparent;
}
.ac-status-open{ background:#E4EFE9; color:var(--ac-available); border-color:rgba(63,122,92,.25); }
.ac-status-waiting{ background:#F1EAD9; color:var(--ac-brass); border-color:rgba(169,130,76,.3); }
.ac-status-closed{ background:#efece6; color:#7d7a72; border-color:var(--ac-line); }

.ac-conv-foot{
  flex-shrink:0; display:flex; align-items:center; justify-content:space-between;
  gap:10px; padding:9px 12px; border-top:1px solid var(--ac-line);
  background:#fcfaf5; font-size:11px; color:var(--ac-ink-soft); min-height:44px;
}
.ac-list-count{ font-size:11px; color:var(--ac-ink-soft); }
.ac-list-end{ font-size:10.5px; color:#a8a399; }

/* ---------- حالت خالی ---------- */
.ac-empty{
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:8px; text-align:center; padding:34px 20px; color:var(--ac-ink-soft);
}
.ac-empty h4{ margin:0; font-size:13px; color:var(--ac-navy); font-weight:700; }
.ac-empty p{ margin:0; font-size:11.5px; line-height:1.9; max-width:340px; }
.ac-empty-icon{ width:30px; height:30px; color:var(--ac-brass); opacity:.75; }
.ac-empty-icon svg{ width:100%; height:100%; }
.ac-list-empty{ padding:40px 18px; }
.ac-empty-chat{ padding:40px 20px; }

/* ---------- ستون رونوشت ---------- */
.ac-transcript-pane{
  position:relative; display:flex; flex-direction:column;
  background:var(--ac-card); border:1px solid var(--ac-line);
  border-top:3px solid var(--ac-brass); border-radius:var(--ac-radius);
  height:clamp(460px, calc(100vh - 250px), 640px); overflow:hidden;
}
.ac-transcript-empty{
  flex:1 1 auto; display:flex; flex-direction:column; align-items:center;
  justify-content:center; gap:10px; text-align:center; padding:36px 26px;
  background:
    radial-gradient(circle at 24% 18%,rgba(199,167,107,.1),transparent 34%),
    linear-gradient(160deg,#fffdf8,#faf6ee);
}
.ac-transcript-empty h4{ margin:0; font-size:15px; color:var(--ac-navy); }
.ac-transcript-empty p{ margin:0; font-size:12px; line-height:2; color:var(--ac-ink-soft); max-width:360px; }
.ac-empty-seal{
  width:58px; height:58px; border-radius:50%;
  border:1.5px dashed var(--ac-brass-light);
  display:flex; align-items:center; justify-content:center;
  color:var(--ac-brass); background:#fff; margin-bottom:4px;
}
.ac-empty-seal svg{ width:26px; height:26px; }

.ac-transcript-main{ display:flex; flex-direction:column; flex:1 1 auto; min-height:0; }
.ac-transcript-head{
  flex-shrink:0; display:flex; align-items:flex-start; gap:10px;
  padding:12px 14px; border-bottom:1px solid var(--ac-line);
  background:linear-gradient(180deg,#fff,#fcfaf5); flex-wrap:wrap;
}
.ac-head-skel{ display:flex; flex-direction:column; gap:6px; width:100%; }
.ac-back{
  display:none; align-items:center; justify-content:center;
  width:32px; height:32px; flex-shrink:0; cursor:pointer;
  border:1px solid var(--ac-line); background:#fff; color:var(--ac-navy);
  border-radius:var(--ac-radius); padding:0;
}
.ac-back svg{ width:16px; height:16px; }
.ac-back:hover{ background:var(--ac-navy); color:#fff; border-color:var(--ac-navy); }
.ac-transcript-visitor{ flex:1 1 200px; min-width:0; }
.ac-visitor-line{ display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.ac-visitor-name{ font-size:13.5px; color:var(--ac-navy); font-weight:700; }
.ac-visitor-meta{
  display:flex; align-items:center; gap:6px 14px; flex-wrap:wrap;
  margin-top:5px; font-size:10.5px; color:var(--ac-ink-soft); line-height:1.8;
}
.ac-visitor-meta a{ color:var(--ac-navy); border-bottom:1px dashed var(--ac-brass); }
.ac-visitor-meta a:hover{ color:var(--ac-brass); }
.ac-visitor-page a{ direction:ltr; display:inline-block; max-width:220px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; vertical-align:bottom; }
.ac-visitor-phone a{ direction:ltr; display:inline-block; }
.ac-transcript-actions{ display:flex; align-items:center; gap:6px; flex-wrap:wrap; flex-shrink:0; }
.ac-transcript-actions .btn{ white-space:nowrap; }
.ac-transcript-actions .btn-danger{ border-color:rgba(140,59,46,.55); }

/* ---------- پیام‌ها ---------- */
.ac-messages{
  flex:1 1 auto; min-height:0; overflow-y:auto; overflow-x:hidden;
  padding:16px 14px 8px; background:#FAF7F0;
  background-image:radial-gradient(rgba(169,130,76,.16) 1px,transparent 1px);
  background-size:22px 22px;
  scrollbar-width:thin; scrollbar-color:var(--ac-line) transparent;
}
.ac-messages::-webkit-scrollbar{ width:6px; }
.ac-messages::-webkit-scrollbar-thumb{ background:var(--ac-line); border-radius:6px; }

.ac-msg{ display:flex; margin-bottom:11px; }
.ac-msg-visitor{ justify-content:flex-start; }        /* RTL: سمت راست */
.ac-msg-assistant, .ac-msg-admin{ justify-content:flex-end; } /* RTL: سمت چپ */
.ac-bubble{
  max-width:min(80%,540px); min-width:0;
  padding:9px 12px 7px; border:1px solid transparent;
  border-radius:8px; box-shadow:0 8px 20px -18px rgba(27,36,64,.45);
  position:relative;
}
.ac-msg-visitor .ac-bubble{ background:var(--ac-navy); color:#fff; border-color:var(--ac-navy); border-start-start-radius:2px; }
.ac-msg-assistant .ac-bubble{ background:var(--ac-paper-alt); color:var(--ac-ink); border-color:var(--ac-line); border-start-end-radius:2px; }
.ac-msg-admin .ac-bubble{ background:var(--ac-brass); color:#fff; border-color:var(--ac-brass); border-start-end-radius:2px; }
.ac-bubble-text{ font-size:12.5px; line-height:1.95; white-space:pre-wrap; overflow-wrap:anywhere; }
.ac-msg-meta{
  display:flex; align-items:center; gap:8px; flex-wrap:wrap;
  margin-top:5px; font-size:9.5px; line-height:1.8; opacity:.78;
}
.ac-msg-visitor .ac-msg-meta{ color:rgba(255,255,255,.8); }
.ac-msg-assistant .ac-msg-meta{ color:var(--ac-ink-soft); }
.ac-msg-admin .ac-msg-meta{ color:rgba(255,255,255,.88); }
.ac-msg-role{ font-weight:700; }
.ac-msg-tokens{ opacity:.85; }

.ac-thumb{
  display:block; padding:0; margin:0 0 6px; cursor:zoom-in;
  border:1px solid rgba(255,255,255,.32); background:rgba(0,0,0,.08);
  border-radius:var(--ac-radius); overflow:hidden; max-width:240px;
}
.ac-msg-assistant .ac-thumb{ border-color:var(--ac-line); background:#fff; }
.ac-thumb img{ display:block; width:100%; max-height:190px; object-fit:cover; }
.ac-thumb:focus-visible{ outline:2px solid var(--ac-brass); outline-offset:2px; }

.ac-system-note{
  text-align:center; font-size:10.5px; color:var(--ac-ink-soft);
  margin:10px auto 14px; padding:4px 12px; max-width:80%;
  border:1px dashed var(--ac-line); background:rgba(255,255,255,.68);
  border-radius:999px;
}
.ac-msg-skel{ display:flex; margin-bottom:11px; }
.ac-msg-skel.is-right{ justify-content:flex-start; }
.ac-msg-skel.is-left{ justify-content:flex-end; }

/* ---------- ناشر پاسخ ادمین ---------- */
.ac-composer{
  flex-shrink:0; border-top:1px solid var(--ac-line);
  padding:10px 12px 11px; background:#fff;
}
.ac-composer textarea{
  width:100%; min-height:52px; max-height:150px; resize:vertical;
  border:1px solid var(--ac-line); border-radius:var(--ac-radius);
  padding:9px 11px; font-family:'Yekan Bakh','Tahoma',sans-serif;
  font-size:12.5px; line-height:1.9; color:var(--ac-ink); background:#fffdf8;
}
.ac-composer textarea:focus{ outline:none; border-color:var(--ac-brass); box-shadow:0 0 0 2px rgba(169,130,76,.16); }
.ac-composer textarea:disabled{ opacity:.6; }
.ac-composer-foot{
  display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-top:8px;
}
.ac-counter{ font-size:10.5px; color:var(--ac-ink-soft); direction:ltr; }
.ac-counter.is-over{ color:var(--ac-stamp); font-weight:700; }
.ac-composer-hint{ font-size:10px; color:#a8a399; margin-inline-end:auto; }
.ac-composer .btn{ flex-shrink:0; }
.ac-composer .ac-inline-error{ margin:0 0 8px; }

/* ---------- لایت‌باکس ---------- */
.ac-lightbox{
  position:fixed; inset:0; z-index:1300; display:flex;
  align-items:center; justify-content:center; padding:24px;
  background:rgba(17,26,53,.82); backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px); animation:ac-fade-in .2s ease both;
}
.ac-lightbox img{
  max-width:min(94vw,1100px); max-height:88vh; display:block;
  background:#fff; border:1px solid rgba(255,255,255,.4);
  box-shadow:0 30px 80px -20px rgba(0,0,0,.7); border-radius:4px;
}
.ac-lightbox-close{
  position:absolute; top:16px; left:16px; width:40px; height:40px;
  display:flex; align-items:center; justify-content:center;
  border:1px solid rgba(255,255,255,.4); background:rgba(255,255,255,.12);
  color:#fff; font-size:24px; line-height:1; cursor:pointer;
  border-radius:50%; font-family:inherit; transition:background .18s ease;
}
.ac-lightbox-close:hover{ background:rgba(255,255,255,.26); }
body.ac-lightbox-open{ overflow:hidden; }
@keyframes ac-fade-in{ from{ opacity:0; } to{ opacity:1; } }

/* ---------- توست ---------- */
.ac-toast{
  position:fixed; bottom:22px; right:22px; z-index:1400;
  max-width:min(360px,calc(100vw - 44px));
  padding:12px 16px; font-size:12.5px; line-height:1.8;
  font-family:'Yekan Bakh','Tahoma',sans-serif;
  background:var(--navy,#1B2440); color:#fff;
  border:1px solid rgba(255,255,255,.18);
  border-right:3px solid var(--brass,#A9824C);
  border-radius:var(--radius,2px);
  box-shadow:0 18px 42px -18px rgba(17,26,53,.75);
  animation:ac-toast-in .28s cubic-bezier(.22,.8,.24,1) both;
}
.ac-toast.is-err{ background:var(--stamp,#8C3B2E); border-right-color:#fff; }
@keyframes ac-toast-in{ from{ opacity:0; transform:translateY(12px); } to{ opacity:1; transform:none; } }

/* ==========================================================
   ریسپانسیو
   ========================================================== */
@media (max-width:1100px){
  .ac-stats{ grid-template-columns:repeat(3,minmax(0,1fr)); }
}
@media (max-width:980px){
  .ac-workspace{ grid-template-columns:minmax(240px,300px) minmax(0,1fr); }
  .ac-form-grid{ grid-template-columns:1fr; }
}
@media (max-width:800px){
  .ac-stats{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .ac-head{ margin-bottom:16px; }
  .ac-settings-summary{ padding:14px 16px; }
  .ac-settings-body{ padding:0 16px 16px; }

  /* لیست و رونوشت تک‌ستونه با دکمهٔ بازگشت */
  .ac-workspace{ grid-template-columns:minmax(0,1fr); gap:12px; }
  .ac-conv-pane{ height:auto; min-height:0; max-height:calc(100vh - 210px); }
  .ac-transcript-pane{ height:auto; min-height:0; display:none; }
  .ac-workspace.ac-detail-open .ac-conv-pane{ display:none; }
  .ac-workspace.ac-detail-open .ac-transcript-pane{
    display:flex; height:calc(100vh - 190px); min-height:420px;
  }
  .ac-back{ display:inline-flex; }
  .ac-transcript-head{ padding:10px 12px; }
  .ac-transcript-actions{ width:100%; justify-content:flex-start; }
  .ac-composer-hint{ display:none; }
  .ac-conv-pane{ border-top-width:3px; }
  .ac-toast{ right:14px; bottom:14px; left:14px; max-width:none; }
}
@media (max-width:520px){
  .ac-stats{ gap:8px; }
  .ac-stat{ padding:11px 12px; }
  .ac-stat-value{ font-size:18px; }
  .ac-stat-label{ font-size:10.5px; }
  .ac-title{ font-size:18px; }
  .ac-bubble{ max-width:88%; }
  .ac-key-row{ flex-direction:column; }
  .ac-key-row .btn{ width:100%; justify-content:center; }
  .ac-save-row{ flex-direction:column-reverse; align-items:stretch; }
  .ac-save-row .btn{ width:100%; justify-content:center; }
  .ac-save-row .save-msg{ margin:0; text-align:center; }
  .ac-transcript-actions .btn{ flex:1 1 auto; }
  .ac-lightbox{ padding:12px; }
}

/* ---------- احترام به کاهش حرکت ---------- */
@media (prefers-reduced-motion: reduce){
  .admin-chat-app *,
  .admin-chat-app *::before,
  .admin-chat-app *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .ac-skel{ animation:none !important; background:var(--paper-alt,#F1EAD9) !important; }
  .ac-live-dot{ animation:none !important; }
  .ac-toast{ animation:none !important; }
  .ac-lightbox{ animation:none !important; }
}