@font-face {
    font-family: IranSansXV;
    src: local("IRANSansXV"), local("IRANSansX");
}
* { box-sizing: border-box; }
body {
    margin: 0;
    background: #eef2f6;
    color: #182230;
    font-family: IranSansXV, Tahoma, Arial, sans-serif;
    font-size: 14px;
}
a { color: inherit; text-decoration: none; }
.app { display: flex; min-height: 100vh; }
.sidebar {
    width: 250px;
    background: #162337;
    color: #f8fafc;
    padding: 18px 14px;
    position: sticky;
    top: 0;
    height: 100vh;
}
.brand { padding: 8px 10px 20px; border-bottom: 1px solid rgba(255,255,255,.14); margin-bottom: 14px; }
.brand strong { display:block; font-size: 20px; }
.brand span { color:#b6c2d1; font-size:12px; }
nav a {
    display: block;
    padding: 11px 12px;
    margin: 5px 0;
    border-radius: 8px;
    color: #dbe6f3;
}
nav a.active, nav a:hover { background:#24568e; color:#fff; }
.main { flex:1; padding: 22px; overflow-x: hidden; }
.topbar {
    display:flex;
    justify-content:space-between;
    gap: 16px;
    align-items:center;
    margin-bottom: 20px;
}
.topbar h1 { margin:0; font-size:24px; }
.topbar p { margin:4px 0 0; color:#64748b; }
.grid { display:grid; gap:14px; }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card {
    background:#fff;
    border:1px solid #d9e2ec;
    border-radius:8px;
    padding:16px;
    box-shadow:0 6px 18px rgba(15,23,42,.06);
}
.card h2, .card h3 { margin:0 0 14px; font-size:18px; }
.metric strong { display:block; font-size:25px; margin-top:6px; color:#0f4c81; }
.toolbar { display:flex; gap:10px; align-items:end; flex-wrap:wrap; margin-bottom:14px; }
.field { display:flex; flex-direction:column; gap:6px; min-width:160px; flex:1; }
.field.small { max-width:170px; }
label { color:#334155; font-size:13px; }
input, select, textarea {
    width:100%;
    border:1px solid #cbd5e1;
    border-radius:8px;
    padding:10px 11px;
    font-family:inherit;
    background:#fff;
    color:#111827;
}
textarea { min-height:80px; resize:vertical; }
.btn {
    border:0;
    border-radius:8px;
    padding:10px 14px;
    font-family:inherit;
    background:#0f5f9f;
    color:#fff;
    cursor:pointer;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:40px;
}
.btn:hover { background:#0a4779; }
.btn.secondary { background:#2f6b4f; }
.btn.danger { background:#b42318; }
.btn.ghost { background:#e2e8f0; color:#1e293b; }
.btn.link { background:transparent; color:#0f5f9f; padding:4px 0; min-height:auto; }
.table-wrap { overflow:auto; border:1px solid #d9e2ec; border-radius:8px; background:#fff; }
table { width:100%; border-collapse: collapse; min-width: 780px; }
th, td { padding:11px 12px; border-bottom:1px solid #e2e8f0; text-align:right; vertical-align:top; }
th { background:#f8fafc; color:#334155; font-weight:700; }
tr:hover td { background:#fbfdff; }
.badge { display:inline-block; border-radius:999px; padding:4px 9px; font-size:12px; }
.badge.ok { background:#dcfce7; color:#166534; }
.badge.warn { background:#fef3c7; color:#92400e; }
.badge.danger { background:#fee2e2; color:#991b1b; }
.badge.muted { background:#e2e8f0; color:#475569; }
.alert { margin: 0 0 14px; border-radius: 8px; padding: 12px 14px; }
.alert.ok { background:#dcfce7; color:#166534; }
.alert.error { background:#fee2e2; color:#991b1b; }
.alert.info { background:#dbeafe; color:#1e40af; }
.actions { display:flex; gap:8px; flex-wrap:wrap; align-items:center; }
.muted { color:#64748b; }
.danger-text { color:#b42318; }
.line-items { display:grid; gap:10px; }
.line-row { display:grid; grid-template-columns: 1.2fr 1.2fr .6fr .9fr .9fr 1fr auto; gap:8px; align-items:end; }
.print-only { display:none; }
@media (max-width: 920px) {
    .app { display:block; }
    .sidebar { width:100%; height:auto; position:relative; }
    nav { display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:6px; }
    .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns:1fr; }
    .line-row { grid-template-columns:1fr; }
    .main { padding:14px; }
}
@media print {
    .sidebar, .topbar, .toolbar, .no-print, .actions { display:none !important; }
    .main { padding:0; }
    body { background:#fff; }
    .card { box-shadow:none; border:0; }
    .print-only { display:block; }
}