/* ==========================================================================
   UAE Transport Accounting — Design System
   Same class names as before (drop-in replacement, no template changes
   needed) but with a real visual design system: tokens, dark mode,
   refined components, motion, and responsive polish.
   ========================================================================== */

:root{
  --brand:#2f5fee;
  --brand2:#1b3fc4;
  --brand-soft:#eaefff;
  --accent:#12b3a0;

  --good:#12855f;
  --good-soft:#e3f7ee;
  --warn:#a5680a;
  --warn-soft:#fff3d9;
  --bad:#c22b3f;
  --bad-soft:#fdeaec;
  --info:#1f5dc2;
  --info-soft:#eaf1ff;

  --bg:#f3f5fa;
  --panel:#ffffff;
  --panel-2:#fbfcfe;
  --ink:#0f1b2d;
  --ink-soft:#334155;
  --muted:#6b7686;
  --line:#e2e7f0;
  --line-soft:#edf0f6;

  --sidebar:#0c1526;
  --sidebar2:#141f36;
  --sidebar-ink:#c8d4e8;
  --sidebar-ink-strong:#ffffff;
  --sidebar-line:rgba(255,255,255,.08);

  --radius-sm:8px;
  --radius:12px;
  --radius-lg:16px;
  --shadow-sm:0 1px 2px rgba(15,27,45,.06);
  --shadow:0 6px 20px rgba(15,27,45,.07),0 1px 3px rgba(15,27,45,.05);
  --shadow-lg:0 20px 45px rgba(15,27,45,.14),0 4px 12px rgba(15,27,45,.06);
  --ease:cubic-bezier(.4,0,.2,1);
  --dur:.16s;
}

html[data-theme="dark"]{
  --bg:#0b1220;
  --panel:#111a2c;
  --panel-2:#0e1626;
  --ink:#e9eefb;
  --ink-soft:#c2cbdd;
  --muted:#8996ac;
  --line:#22304a;
  --line-soft:#1b2740;
  --brand-soft:#182450;
  --good-soft:#0f2a24;
  --warn-soft:#2c2410;
  --bad-soft:#2c1620;
  --info-soft:#152238;
  --sidebar:#070c17;
  --sidebar2:#0d1526;
}

*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
html{scrollbar-gutter:stable}
body{
  font-family:"Inter",ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:14.5px;
  line-height:1.5;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
h1,h2,h3,h4{font-family:inherit;letter-spacing:-.01em}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand2)}
button,input,select,textarea{font:inherit;color:inherit}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(120,135,160,.35);border-radius:99px;border:2px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:rgba(120,135,160,.55);background-clip:padding-box}

.app-shell{display:grid;grid-template-columns:264px minmax(0,1fr);min-height:100vh}

.sidebar{
  background:linear-gradient(175deg,var(--sidebar),var(--sidebar2));
  color:var(--sidebar-ink);
  padding:20px 14px 26px;
  position:sticky;top:0;height:100vh;overflow:auto;
  border-right:1px solid var(--sidebar-line);
}
.brand{display:flex;gap:12px;align-items:center;padding:6px 8px 22px}
.brand-mark{
  width:40px;height:40px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,#3f7dff,#12b3a0);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:15px;
  box-shadow:0 6px 16px rgba(63,125,255,.35);
}
.brand strong{display:block;color:var(--sidebar-ink-strong);font-size:14.5px;font-weight:700;line-height:1.25}
.brand small{color:#8fa0bc;font-size:11.5px}

.nav-group{margin:20px 0 6px;padding:0 12px;color:#7186a5;text-transform:uppercase;font-size:10.5px;font-weight:800;letter-spacing:.1em}
.nav-link{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;border-radius:9px;
  color:var(--sidebar-ink);margin:2px 0;font-size:13.6px;font-weight:500;
  position:relative;transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.nav-link:hover{background:rgba(255,255,255,.07);color:#fff}
.nav-link.active{background:rgba(63,125,255,.18);color:#fff;font-weight:650}
.nav-link.active::before{
  content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);
  width:3px;height:18px;border-radius:0 4px 4px 0;background:#5b8bff;
}

.main{min-width:0}
.topbar{
  height:66px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;padding:0 26px;
  position:sticky;top:0;z-index:20;backdrop-filter:saturate(1.4) blur(6px);
  background:color-mix(in srgb, var(--panel) 92%, transparent);
}
.topbar-title{font-weight:700;font-size:15.5px;letter-spacing:-.01em}
.user-menu{display:flex;align-items:center;gap:14px}
.user-meta strong{font-size:13px}
.avatar{
  width:36px;height:36px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-weight:800;font-size:14px;flex:none;
}
.theme-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:9px;border:1px solid var(--line);
  background:var(--panel);color:var(--ink-soft);cursor:pointer;font-size:15px;
  transition:background var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.theme-toggle:hover{background:var(--line-soft);transform:translateY(-1px)}

.content{padding:26px;max-width:1600px;margin:auto;animation:fadeUp .25s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.page-head,.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:22px}
.page-head h1,.page-header h1{font-size:23px;margin:0 0 4px;font-weight:750;letter-spacing:-.01em}
.page-head p,.page-header p{color:var(--muted);margin:0;font-size:13.5px}

.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);transition:box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.card-body{padding:20px}
.card-head,.card-header{
  padding:16px 20px;border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.card-header h3{margin:0;font-size:15px;font-weight:700}
.card-footer{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 20px;border-top:1px solid var(--line);border-bottom:0}

.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.span-2{grid-column:span 2}

.metric{padding:20px;position:relative;overflow:hidden}
.metric-label{color:var(--muted);font-size:12.5px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.metric-value{font-size:27px;font-weight:800;margin-top:9px;letter-spacing:-.02em}
.metric-note{font-size:12px;color:var(--muted);margin-top:5px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  border-radius:9px;padding:9px 15px;border:1px solid transparent;
  font-weight:650;font-size:13px;cursor:pointer;background:var(--panel);color:var(--ink);
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),
             transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  border-color:var(--line);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}

.btn-primary{background:linear-gradient(180deg,var(--brand),var(--brand2));color:#fff;border-color:transparent;box-shadow:0 4px 14px rgba(47,95,238,.32)}
.btn-primary:hover{box-shadow:0 6px 18px rgba(47,95,238,.4)}
.btn-secondary{background:var(--panel);border-color:var(--line);color:var(--ink)}
.btn-secondary:hover{background:var(--line-soft)}
.btn-danger{background:var(--bad-soft);color:var(--bad);border-color:transparent}
.btn-danger:hover{filter:brightness(.97)}
.btn-success{background:var(--good-soft);color:var(--good);border-color:transparent}
.btn-warning{background:var(--warn-soft);color:var(--warn);border-color:transparent}
.btn-sm{padding:6px 11px;font-size:12px;border-radius:7px}
.actions{display:flex;flex-wrap:wrap;gap:8px}

.table-wrap{overflow:auto;border-radius:var(--radius-lg)}
.table{width:100%;border-collapse:collapse;font-size:13.3px}
.table th{
  position:sticky;top:0;background:var(--panel-2);color:var(--muted);
  text-align:left;font-size:10.8px;text-transform:uppercase;letter-spacing:.06em;
  padding:12px 14px;border-bottom:1px solid var(--line);white-space:nowrap;font-weight:750;
}
.table td{padding:13px 14px;border-bottom:1px solid var(--line-soft);vertical-align:top}
.table tr{transition:background var(--dur) var(--ease)}
.table tr:hover td{background:var(--panel-2)}
.table tr:last-child td{border-bottom:0}

.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}
.field.full{grid-column:1/-1}
.field label{display:block;font-size:12.3px;font-weight:700;margin:0 0 7px;color:var(--ink-soft)}
.field .hint{font-size:11.3px;color:var(--muted);margin-top:5px}
.control{
  width:100%;border:1px solid var(--line);border-radius:9px;
  background:var(--panel);color:var(--ink);padding:10px 12px;outline:none;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.control::placeholder{color:#a2acbd}
.control:hover{border-color:#b7c2d6}
.control:focus{border-color:var(--brand);box-shadow:0 0 0 3.5px color-mix(in srgb, var(--brand) 16%, transparent)}
.control-sm{min-height:32px;padding:5px 9px;font-size:12px}
textarea.control{min-height:100px;resize:vertical}
select.control{cursor:pointer}
.checkbox{display:flex;align-items:center;gap:9px;padding-top:25px}
.checkbox input{width:17px;height:17px;accent-color:var(--brand)}
.invalid{color:var(--bad);font-size:12px;margin-top:5px;font-weight:600}
.form-actions{display:flex;align-items:center;gap:10px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.inline-form{display:flex;align-items:center;justify-content:flex-end;gap:8px}

.alert{
  padding:12px 16px;border-radius:10px;margin-bottom:18px;border:1px solid;
  font-size:13.3px;animation:fadeUp .2s var(--ease);
}
.alert-success{background:var(--good-soft);border-color:transparent;color:var(--good)}
.alert-error{background:var(--bad-soft);border-color:transparent;color:var(--bad)}
.alert-warning{background:var(--warn-soft);border-color:transparent;color:var(--warn)}

.badge{
  display:inline-flex;align-items:center;border-radius:999px;padding:4px 10px;
  font-size:10.8px;font-weight:750;letter-spacing:.02em;text-transform:uppercase;
  background:var(--line-soft);color:var(--ink-soft);
}
.badge-green,.badge-success{background:var(--good-soft);color:var(--good)}
.badge-red,.badge-danger{background:var(--bad-soft);color:var(--bad)}
.badge-yellow{background:var(--warn-soft);color:var(--warn)}
.badge-blue{background:var(--info-soft);color:var(--info)}

.status-draft{background:var(--line-soft);color:var(--ink-soft)}
.status-approved,.status-posted,.status-paid,.status-active,.status-completed{background:var(--good-soft);color:var(--good)}
.status-pending_approval,.status-partially_paid,.status-in_progress{background:var(--warn-soft);color:var(--warn)}
.status-rejected,.status-overdue,.status-cancelled,.status-reversed,.status-expired{background:var(--bad-soft);color:var(--bad)}

.toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:14px 20px;border-bottom:1px solid var(--line)}
.search{display:flex;gap:8px;max-width:520px;width:100%}
.filter-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;width:100%}
.filter-bar .control{width:auto;min-width:160px}
.flex-between{display:flex;align-items:center;justify-content:space-between;gap:12px}

.pagination{display:flex;gap:5px;padding:16px 20px;align-items:center;flex-wrap:wrap}
.pagination a,.pagination span{border:1px solid var(--line);border-radius:7px;padding:6px 11px;font-size:12px;transition:background var(--dur) var(--ease)}
.pagination a:hover{background:var(--line-soft)}
.pagination .current{background:var(--brand);color:#fff;border-color:var(--brand)}

.empty{
  text-align:center;padding:52px 24px;color:var(--muted);
  border:1.5px dashed var(--line);border-radius:var(--radius-lg);
}

.detail-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.detail{background:var(--panel);padding:15px}
.detail-label{font-size:10.8px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-weight:700}
.detail-value{font-weight:650;margin-top:5px;word-break:break-word}
.detail-list{display:grid;grid-template-columns:130px 1fr;gap:12px;margin:0}
.detail-list dt{font-weight:700;color:var(--ink-soft)}
.detail-list dd{margin:0;overflow-wrap:anywhere}

.choice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.choice{display:flex;align-items:flex-start;gap:10px;padding:12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel);transition:border-color var(--dur) var(--ease)}
.choice:hover{border-color:#b7c2d6}
.choice small{display:block;color:var(--muted);margin-top:3px}
.permission-row{display:flex;flex-wrap:wrap;gap:8px 18px}

.divider{height:1px;background:var(--line);margin:20px 0}
.bg-soft{background:var(--panel-2)}
.muted{color:var(--muted)}
.text-right{text-align:right}
.nowrap{white-space:nowrap}
.mobile-toggle{display:none}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--line-soft);padding:2px 6px;border-radius:5px;font-size:.92em}
.json-view{white-space:pre-wrap;word-break:break-word;max-height:520px;overflow:auto;background:#0f172a;color:#e2e8f0;padding:14px;border-radius:10px;font-size:12px}

.line-items{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:auto}
.line-items input,.line-items select{min-width:100px}
.totals{margin-left:auto;width:min(420px,100%)}
.total-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line-soft)}
.total-row.grand{font-size:18px;font-weight:800;border-top:2px solid var(--ink);border-bottom:0;margin-top:6px;padding-top:14px}

.login-page{min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr;background:var(--panel)}
.login-art{
  background:radial-gradient(120% 130% at 0% 0%,#12386f 0%,#12459b 35%,#0f5ed6 65%,#0fb5a4 100%);
  color:#fff;padding:70px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden;
}
.login-art::before{
  content:"";position:absolute;inset:0;opacity:.15;
  background-image:radial-gradient(circle at 20% 20%,#fff 0,transparent 45%),radial-gradient(circle at 85% 75%,#fff 0,transparent 40%);
}
.login-art h1{font-size:42px;line-height:1.1;margin:0 0 18px;letter-spacing:-.02em;position:relative}
.login-art p{max-width:580px;font-size:17px;color:#dbe9ff;position:relative}
.login-panel{display:flex;align-items:center;justify-content:center;padding:35px;background:var(--bg)}
.login-box{width:min(440px,100%);background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow-lg)}
.login-box h2{font-size:26px;margin:0 0 8px;font-weight:750;letter-spacing:-.01em}
.login-box>p{color:var(--muted);margin:0 0 26px}

@media(max-width:1050px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .detail-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .choice-grid{grid-template-columns:1fr 1fr}
  .span-2{grid-column:1/-1}
}
@media(max-width:780px){
  .app-shell{display:block}
  .sidebar{position:fixed;left:-280px;z-index:50;width:264px;transition:left var(--dur) var(--ease);box-shadow:var(--shadow-lg)}
  .sidebar.open{left:0}
  .mobile-toggle{display:inline-flex}
  .topbar{padding:0 16px}
  .content{padding:16px}
  .form-grid,.grid-2,.grid-3,.grid-4,.detail-grid{grid-template-columns:1fr}
  .page-head,.page-header{flex-direction:column}
  .login-page{grid-template-columns:1fr}
  .login-art{display:none}
  .table th,.table td{padding:10px}
  .user-meta{display:none}
}
@media(max-width:600px){
  .page-header{flex-direction:column}
  .choice-grid{grid-template-columns:1fr}
  .inline-form{flex-direction:column;align-items:stretch}
  .filter-bar .control{width:100%}
  .detail-list{grid-template-columns:1fr}
  .span-2{grid-column:auto}
}

@media print{
  .sidebar,.topbar,.no-print{display:none!important}
  .app-shell{display:block}
  .content{padding:0}
  .card{box-shadow:none;border:0}
  .print-document{display:block!important}
}