/* فونت داخل خود برنامه نگه‌داری می‌شود تا ظاهر فارسی به اینترنت و کش Google Fonts وابسته نباشد. */
@font-face{
  font-family:'Vazirmatn';
  font-style:normal;
  font-weight:400 800;
  font-display:block;
  src:url('/assets/fonts/vazirmatn-arabic.woff2') format('woff2');
  unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC;
}
@font-face{
  font-family:'Vazirmatn';
  font-style:normal;
  font-weight:400 800;
  font-display:block;
  src:url('/assets/fonts/vazirmatn-latin.woff2') format('woff2');
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

:root{
  --bg:#15130f;
  --panel:#1e1a13;
  --panel-2:#241f16;
  --border:#362f21;
  --gold:#c2993f;
  --gold-soft:#8a733f;
  --text:#f0ead9;
  --text-dim:#c9bd9d;
  --text-faint:#a3987c;
  --credit:#4f8f72;
  --debt:#c05a3f;
  --danger:#c0453f;
  --radius:10px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Vazirmatn',Tahoma,sans-serif;
  min-height:100vh;
}
::selection{background:var(--gold);color:#15130f;}
#app{display:flex;min-height:100vh;}

/* ---------- Sidebar ---------- */
.sidebar{
  width:230px;
  flex-shrink:0;
  background:linear-gradient(180deg,#1a160f,#120f0b);
  border-left:1px solid var(--border);
  display:flex;
  flex-direction:column;
  padding:20px 14px;
  position:sticky;
  top:0;
  height:100vh;
  overflow-y:auto;
}
.brand{
  display:flex;
  flex-direction:column;
  align-items:center;
  padding:10px 8px 20px 8px;
  border-bottom:1px solid var(--border);
  margin-bottom:16px;
}
.brand-mark{
  width:100%;max-width:168px;height:auto;
}
nav.navlist{display:flex;flex-direction:column;gap:4px;flex:1;}
.navbtn{
  display:flex;align-items:center;gap:10px;
  background:transparent;border:none;color:var(--text-dim);
  font-family:inherit;font-size:14.5px;font-weight:600;
  padding:10px 12px;border-radius:8px;cursor:pointer;
  text-align:right;width:100%;transition:background .15s,color .15s;
}
.navbtn svg{width:18px;height:18px;flex-shrink:0;opacity:.85;}
.navbtn:hover{background:var(--panel-2);color:var(--text);}
.navbtn.active{background:rgba(194,153,63,.14);color:var(--gold);}
.navbtn.active svg{opacity:1;}
.sidebar-foot{border-top:1px solid var(--border);padding-top:12px;margin-top:10px;}
.mini-price{font-size:11.5px;color:var(--text-faint);display:flex;justify-content:space-between;padding:3px 8px;}
.mini-price b{color:var(--text-dim);font-weight:700;}

/* ---------- Main ---------- */
main{flex:1;padding:26px 30px 60px 30px;max-width:1180px;}
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;flex-wrap:wrap;gap:10px;}
.page-title{font-size:23px;font-weight:800;}
.page-desc{color:var(--text-faint);font-size:13px;margin-top:4px;}
.btn{
  font-family:inherit;font-weight:700;font-size:13.5px;border-radius:8px;
  border:1px solid var(--border);background:var(--panel-2);color:var(--text);
  padding:9px 16px;cursor:pointer;transition:all .15s;display:inline-flex;align-items:center;gap:6px;
}
.btn:hover{border-color:var(--gold-soft);}
.btn-gold{background:var(--gold);color:#1a1508;border-color:var(--gold);}
.btn-gold:hover{background:#d3aa4d;}
.btn-danger{color:var(--danger);}
.btn-sm{padding:6px 11px;font-size:12.5px;}
.btn-ghost{background:transparent;border-color:transparent;color:var(--text-dim);}
.btn-ghost:hover{color:var(--text);background:var(--panel-2);}

.grid{display:grid;gap:16px;}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media(max-width:980px){.grid-4{grid-template-columns:repeat(2,1fr);}.grid-3{grid-template-columns:repeat(2,1fr);}}

.card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px;
}
.stat-card .stat-label{font-size:12.5px;color:var(--text-faint);font-weight:600;margin-bottom:8px;display:flex;align-items:center;gap:6px;}
.stat-card .stat-value{font-size:24px;font-weight:800;}
.stat-card .stat-sub{font-size:11.5px;color:var(--text-faint);margin-top:4px;}
.pos{color:var(--credit);}
.neg{color:var(--debt);}

.section-title{font-size:15px;font-weight:800;margin:26px 0 12px 0;display:flex;align-items:center;gap:8px;color:var(--text);}
.section-title .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);}

table{width:100%;border-collapse:collapse;font-size:13.5px;}
th{
  text-align:right;color:var(--text-faint);font-weight:700;font-size:12px;
  padding:9px 10px;border-bottom:1px solid var(--border);white-space:nowrap;
}
td{padding:10px;border-bottom:1px solid var(--border);vertical-align:middle;}
tr:last-child td{border-bottom:none;}
tbody tr:hover{background:var(--panel-2);}
.table-wrap{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow-x:auto;}
.empty-row td{text-align:center;color:var(--text-faint);padding:34px 10px;}

.badge{display:inline-block;padding:3px 9px;border-radius:99px;font-size:11.5px;font-weight:700;}
.badge-sale{background:rgba(79,143,114,.15);color:var(--credit);}
.badge-purchase{background:rgba(194,153,63,.15);color:var(--gold);}
.badge-paid{background:rgba(79,143,114,.15);color:var(--credit);}
.badge-overdue{background:rgba(192,69,63,.15);color:var(--danger);}
.badge-due-today{background:rgba(194,153,63,.15);color:var(--gold);}
.badge-upcoming{background:rgba(255,255,255,.06);color:var(--text-dim);}

input,select,textarea{
  font-family:inherit;background:var(--panel-2);border:1px solid var(--border);color:var(--text);
  border-radius:8px;padding:9px 11px;font-size:13.5px;width:100%;outline:none;transition:border-color .15s;
}
input:focus,select:focus,textarea:focus{border-color:var(--gold-soft);}
input[type=number]{direction:ltr;text-align:right;}
label{display:block;font-size:12.5px;color:var(--text-dim);font-weight:600;margin-bottom:6px;}
.field{margin-bottom:14px;}
.field-row{display:flex;gap:12px;}
.field-row>.field{flex:1;}
.hint{font-size:11px;color:var(--text-faint);margin-top:5px;}

.modal-overlay{
  position:fixed;inset:0;background:rgba(10,8,5,.66);display:flex;align-items:flex-start;justify-content:center;
  padding:40px 16px;overflow-y:auto;z-index:50;
}
.modal{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:24px;width:100%;max-width:560px;}
.modal.wide{max-width:820px;}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;}
.modal-title{font-size:17px;font-weight:800;}
.modal-close{background:none;border:none;color:var(--text-faint);font-size:22px;cursor:pointer;line-height:1;}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:18px;border-top:1px solid var(--border);padding-top:16px;}

.invoice-item-row{background:var(--panel-2);border:1px solid var(--border);border-radius:9px;padding:14px;margin-bottom:10px;}
.item-remove{color:var(--danger);background:none;border:none;cursor:pointer;font-size:12.5px;font-weight:700;}

.breakdown{display:flex;height:14px;border-radius:99px;overflow:hidden;background:var(--panel-2);margin:10px 0;}
.breakdown span{height:100%;}
.breakdown-legend{display:flex;flex-wrap:wrap;gap:12px;font-size:11.5px;color:var(--text-dim);margin-bottom:4px;}
.breakdown-legend i{display:inline-block;width:9px;height:9px;border-radius:2px;margin-left:5px;position:relative;top:1px;}

.tabs{display:flex;gap:6px;border-bottom:1px solid var(--border);margin-bottom:18px;}
.tab{padding:9px 4px;margin-left:18px;font-size:13.5px;font-weight:700;color:var(--text-faint);cursor:pointer;border-bottom:2px solid transparent;}
.tab.active{color:var(--gold);border-color:var(--gold);}

.link{color:var(--gold);cursor:pointer;text-decoration:none;font-weight:700;}
.link:hover{text-decoration:underline;}
.toast{
  position:fixed;bottom:22px;left:50%;transform:translateX(-50%);
  background:var(--panel-2);border:1px solid var(--gold-soft);color:var(--text);
  padding:11px 20px;border-radius:9px;font-size:13.5px;font-weight:600;z-index:100;
  box-shadow:0 6px 24px rgba(0,0,0,.4);
}
.filters{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap;}
.filters select,.filters input{width:auto;min-width:150px;}
.muted{color:var(--text-faint);}
.right-align{text-align left}
#printArea{display:none;}
@media print{
  body *{visibility:hidden;}
  #printArea, #printArea *{visibility:visible;}
  #printArea{display:block;position:absolute;top:0;right:0;left:0;padding:20px;}
}
::-webkit-scrollbar{width:9px;height:9px;}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:9px;}

/* ---------- چت‌بات پشتیبانی ---------- */
#chatWidgetBtn{
  position:fixed;bottom:22px;left:22px;z-index:200;
  width:56px;height:56px;border-radius:50%;
  background:linear-gradient(155deg,#b8873a,#95702e 55%,#6e5220);
  color:#1a1508;border:none;cursor:pointer;
  box-shadow:0 6px 20px rgba(0,0,0,.45),0 0 0 1px rgba(255,255,255,.06) inset;
  display:flex;align-items:center;justify-content:center;
  transition:transform .18s ease,box-shadow .18s ease;
}
#chatWidgetBtn:hover{
  transform:translateY(-2px) scale(1.05);
  box-shadow:0 10px 26px rgba(0,0,0,.5),0 0 0 1px rgba(255,255,255,.08) inset;
}
#chatWidgetBtn:active{transform:translateY(0) scale(.97);}
#chatWidgetBtn svg{width:24px;height:24px;display:block;}
#chatWidgetPanel{
  position:fixed;bottom:86px;left:22px;z-index:200;
  width:320px;max-width:calc(100vw - 44px);height:440px;max-height:calc(100vh - 130px);
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:0 10px 40px rgba(0,0,0,.5);
  display:none;flex-direction:column;overflow:hidden;
}
#chatWidgetPanel.open{display:flex;}
.chatw-head{
  padding:12px 14px;background:var(--panel-2);border-bottom:1px solid var(--border);
  font-weight:700;font-size:13.5px;color:var(--gold);
  display:flex;align-items:center;justify-content:space-between;
}
.chatw-head-close{cursor:pointer;color:var(--text-faint);font-size:16px;}
.chatw-disclaimer{
  padding:8px 12px;font-size:11px;color:var(--text-faint);
  border-bottom:1px solid var(--border);background:var(--panel-2);
}
.chatw-body{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:8px;}
.chatw-msg{max-width:85%;padding:8px 11px;border-radius:9px;font-size:12.5px;line-height:1.6;white-space:pre-wrap;}
.chatw-msg.user{align-self:flex-end;background:var(--gold-soft);color:#1a1508;}
.chatw-msg.assistant{align-self:flex-start;background:var(--panel-2);color:var(--text);border:1px solid var(--border);}
.chatw-msg.escalated{border:1px solid var(--gold-soft);}
.chatw-msg.escalated::after{
  content:'✓ ارجاع به پشتیبانی';
  display:inline-flex;align-items:center;
  margin-top:8px;padding:3px 11px;
  border-radius:99px;
  background:rgba(194,153,63,.14);
  color:var(--gold);font-size:10.5px;font-weight:700;
}
.chatw-input-row{display:flex;gap:6px;padding:10px;border-top:1px solid var(--border);}
.chatw-input-row input{flex:1;margin:0;}
.chatw-input-row button{width:auto;padding:8px 14px;margin:0;}