/* =========================================================
   Hisab — UI styles
   ========================================================= */
:root{
  --brand:#c8102e;
  --ink:#14161b; --ink-2:#3a3f4a; --muted:#6b7280; --faint:#9aa1ad;
  --bg:#f4f5f7; --surface:#fff; --line:#e6e8ec; --line-2:#eef0f3;
  --sb:#111317; --sb-2:#1a1d23; --sb-text:#a7adb8; --sb-active:#fff;
  --green:#0f8a5f; --green-bg:#e7f6ef; --red:#c62828; --red-bg:#fdecec;
  --amber:#b26a00; --amber-bg:#fff4e0; --blue:#1d5fd1; --blue-bg:#e9f0fd; --gray-bg:#eff1f4;
  --r:10px; --r-sm:7px;
  --shadow:0 1px 2px rgba(16,24,40,.05),0 1px 3px rgba(16,24,40,.06);
  --shadow-lg:0 12px 32px -8px rgba(16,24,40,.18),0 4px 8px -4px rgba(16,24,40,.08);
  --font:'Plus Jakarta Sans','Hind Siliguri',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--font);font-size:14px;line-height:1.5;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em}
.ico{flex:none;display:inline-block;vertical-align:middle}
.hidden{display:none!important}
.muted{color:var(--muted)}
.num,td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.nowrap{white-space:nowrap}
.mt{margin-top:16px}.mb{margin-bottom:16px}
.text-green{color:var(--green)}.text-red{color:var(--red)}.text-amber{color:var(--amber)}
.strong{font-weight:700}

/* ---------- Layout ---------- */
.app{display:flex;min-height:100vh;background:linear-gradient(to right,var(--sb) 248px,var(--bg) 248px)}
.sidebar{width:248px;flex:none;background:var(--sb);color:var(--sb-text);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;z-index:40}
.sb-brand{display:flex;align-items:center;gap:10px;padding:18px 16px 14px;border-bottom:1px solid rgba(255,255,255,.06)}
.sb-brand img{width:36px;height:36px;border-radius:8px;object-fit:contain;background:#fff;padding:2px}
.sb-mark{width:36px;height:36px;border-radius:9px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;flex:none}
.sb-names{min-width:0}
.sb-names strong{display:block;color:#fff;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sb-names small{color:var(--sb-text);font-size:11.5px}
.sb-nav{flex:1;overflow-y:auto;padding:8px 10px 16px}
.sb-sec{font-size:10.5px;text-transform:uppercase;letter-spacing:.09em;color:#6c7380;padding:16px 10px 6px;font-weight:700}
.sb-nav a{display:flex;align-items:center;gap:11px;padding:8px 10px;border-radius:8px;color:var(--sb-text);font-weight:500;font-size:13.5px;margin-bottom:1px}
.sb-nav a:hover{background:var(--sb-2);color:#fff;text-decoration:none}
.sb-nav a.active{background:var(--sb-2);color:var(--sb-active);box-shadow:inset 3px 0 0 var(--brand)}
.sb-nav a.active .ico{color:var(--brand)}
.sb-foot{padding:12px;border-top:1px solid rgba(255,255,255,.06)}
.sb-plan{display:flex;align-items:center;gap:8px;padding:9px 11px;border-radius:8px;background:var(--sb-2);color:#cfd3da;font-size:12.5px;font-weight:600}
.sb-plan:hover{text-decoration:none;color:#fff}
.sb-plan.warn{color:#ffb547}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:60px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;padding:0 24px;position:sticky;top:0;z-index:30}
.tb-search{flex:1;max-width:440px;display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:0 12px;color:var(--faint)}
.tb-search input{border:0;background:transparent;outline:0;padding:9px 0;flex:1;font:inherit;color:var(--ink);min-width:0}
.tb-search:focus-within{border-color:var(--brand);background:#fff}
.tb-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.avatar{width:36px;height:36px;border-radius:50%;border:0;background:var(--ink);color:#fff;font-weight:700;cursor:pointer;font-family:inherit}
.content{padding:24px;max-width:1320px;width:100%}
.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.page-head h1{font-size:22px;font-weight:800}
.page-actions{display:flex;gap:8px;flex-wrap:wrap}
.banner{display:flex;align-items:center;gap:8px;padding:10px 24px;font-size:13px;font-weight:500}
.banner-red{background:var(--red-bg);color:var(--red)}
.banner-amber{background:var(--amber-bg);color:var(--amber)}
.banner a{font-weight:700;color:inherit;text-decoration:underline}
.sb-overlay{display:none}
.only-mobile{display:none}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:38px;padding:0 15px;border-radius:var(--r-sm);border:1px solid transparent;font:600 13.5px/1 var(--font);cursor:pointer;white-space:nowrap;transition:background .12s,border-color .12s,box-shadow .12s;text-decoration:none!important}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{filter:brightness(.93)}
.btn-dark{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--ink-2);border-color:var(--line);box-shadow:var(--shadow)}
.btn-light:hover{border-color:#cfd3da;background:#fafbfc}
.btn-danger{background:#fff;color:var(--red);border-color:#f2c9c9}
.btn-danger:hover{background:var(--red-bg)}
.btn-green{background:var(--green);color:#fff}
.btn-sm{height:32px;padding:0 11px;font-size:12.5px}
.btn-xs{height:26px;padding:0 8px;font-size:12px;border-radius:6px}
.btn-block{width:100%;height:42px}
.icon-btn{width:36px;height:36px;border-radius:8px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;cursor:pointer;color:var(--ink-2)}
.inline-form{display:inline}
button:disabled{opacity:.55;cursor:not-allowed}

/* ---------- Dropdown ---------- */
.dropdown{position:relative}
.dd-menu{display:none;position:absolute;top:calc(100% + 6px);left:0;min-width:210px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow-lg);padding:6px;z-index:60}
.dd-right{left:auto;right:0}
.dropdown.open .dd-menu{display:block}
.dd-menu a,.dd-menu button{display:flex;align-items:center;gap:10px;width:100%;padding:8px 10px;border-radius:7px;color:var(--ink-2);font:500 13.5px var(--font);background:none;border:0;cursor:pointer;text-align:left}
.dd-menu a:hover,.dd-menu button:hover{background:var(--bg);text-decoration:none;color:var(--ink)}
.dd-head{padding:8px 10px 10px;border-bottom:1px solid var(--line-2);margin-bottom:4px}
.dd-head strong{display:block}.dd-head small{color:var(--muted)}

/* ---------- Cards ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.card-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 18px;border-bottom:1px solid var(--line-2)}
.card-head h3{font-size:15px;font-weight:700}
.card-body{padding:18px}
.card + .card{margin-top:16px}
.grid > *,.grid-2 > *,.grid-3 > *,.grid-4 > *,.cols-main > *{margin-top:0!important}
.grid{display:grid;gap:16px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cols-main{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:16px;align-items:start}

/* ---------- KPI ---------- */
.kpi{padding:16px 18px}
.kpi-label{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:12.5px;font-weight:600}
.kpi-ico{width:30px;height:30px;border-radius:8px;display:grid;place-items:center}
.kpi-value{font-size:24px;font-weight:800;margin-top:10px;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.kpi-sub{font-size:12px;color:var(--muted);margin-top:2px}
.ki-green{background:var(--green-bg);color:var(--green)}.ki-red{background:var(--red-bg);color:var(--red)}
.ki-blue{background:var(--blue-bg);color:var(--blue)}.ki-amber{background:var(--amber-bg);color:var(--amber)}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto}
table.table{width:100%;border-collapse:collapse}
.table th{font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700;text-align:left;padding:10px 14px;background:#fafbfc;border-bottom:1px solid var(--line);white-space:nowrap}
.table th.num{text-align:right}
.table td{padding:11px 14px;border-bottom:1px solid var(--line-2);vertical-align:middle}
.table tbody tr:hover td{background:#fafbfc}
.table tbody tr:last-child td{border-bottom:0}
.table tfoot td{font-weight:700;background:#fafbfc;border-top:1px solid var(--line);padding:11px 14px}
.table .sub{display:block;color:var(--muted);font-size:12px}
.table a.rowlink{color:var(--ink);font-weight:600}
.table-actions{display:flex;gap:6px;justify-content:flex-end}
.table-compact td,.table-compact th{padding:8px 12px}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;height:22px;padding:0 9px;border-radius:20px;font-size:11.5px;font-weight:700;white-space:nowrap}
.badge-green{background:var(--green-bg);color:var(--green)}
.badge-red{background:var(--red-bg);color:var(--red)}
.badge-amber{background:var(--amber-bg);color:var(--amber)}
.badge-blue{background:var(--blue-bg);color:var(--blue)}
.badge-gray{background:var(--gray-bg);color:var(--muted)}

/* ---------- Forms ---------- */
label{display:block;font-size:12.5px;font-weight:600;color:var(--ink-2)}
input,select,textarea{display:block;width:100%;margin-top:6px;padding:9px 11px;border:1px solid #d5d9e0;border-radius:var(--r-sm);font:400 14px var(--font);color:var(--ink);background:#fff;transition:border-color .12s,box-shadow .12s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 15%,transparent)}
textarea{resize:vertical;min-height:72px}
input[type=checkbox],input[type=radio]{width:auto;display:inline-block;margin:0 6px 0 0;vertical-align:middle;accent-color:var(--brand)}
input[type=file]{padding:7px}
.form-stack > * + *{margin-top:14px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 18px}
.form-grid .full{grid-column:1/-1}
.hint{font-size:12px;color:var(--muted);font-weight:400;margin-top:4px}
.check{display:flex;align-items:center;font-weight:500}
.form-actions{display:flex;gap:10px;justify-content:flex-end;padding:14px 18px;border-top:1px solid var(--line-2);background:#fafbfc;border-radius:0 0 var(--r) var(--r)}
.req::before{content:'*';color:var(--red);margin-right:3px}
.input-group{display:flex;gap:6px;align-items:flex-end}
.input-group > *{flex:1}

/* ---------- Filters / toolbar ---------- */
.toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line-2);flex-wrap:wrap}
.filters{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.filters input,.filters select{margin:0;width:auto;height:32px;padding:0 10px;font-size:13px}
.filters input[type=search]{min-width:200px}
.custom-range{display:inline-flex;gap:6px}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs a{padding:10px 14px;color:var(--muted);font-weight:600;border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tabs a.active{color:var(--ink);border-color:var(--brand)}
.tabs a:hover{text-decoration:none;color:var(--ink)}
.pill-tabs{display:flex;gap:6px;flex-wrap:wrap}
.pill-tabs a{padding:5px 12px;border-radius:20px;border:1px solid var(--line);color:var(--ink-2);font-size:12.5px;font-weight:600;background:#fff}
.pill-tabs a.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.pill-tabs a:hover{text-decoration:none}

/* ---------- Pager ---------- */
.pager{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-top:1px solid var(--line-2);gap:10px;flex-wrap:wrap}
.pager-info{color:var(--muted);font-size:12.5px;padding:12px 14px}
.pager .pager-info{padding:0}
.pager-links{display:flex;gap:4px}
.pager-links a{min-width:32px;height:32px;display:grid;place-items:center;border:1px solid var(--line);border-radius:7px;color:var(--ink-2);font-weight:600;padding:0 8px}
.pager-links a.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.pager-links a:hover{text-decoration:none}

/* ---------- Alerts ---------- */
.alert{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:9px;margin-bottom:16px;font-weight:500;font-size:13.5px}
.alert-success{background:var(--green-bg);color:var(--green)}
.alert-error{background:var(--red-bg);color:var(--red)}
.alert-info{background:var(--blue-bg);color:var(--blue)}
.empty{text-align:center;padding:48px 20px;color:var(--muted)}
.empty .ico{color:var(--faint)}
.empty p{margin:10px 0 16px}

/* ---------- Line items editor ---------- */
.lines{width:100%;border-collapse:collapse}
.lines th{font-size:11.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);text-align:left;padding:8px 6px;border-bottom:1px solid var(--line)}
.lines td{padding:6px;vertical-align:top;border-bottom:1px solid var(--line-2)}
.lines input,.lines select{margin:0;padding:8px 9px;font-size:13.5px}
.lines .l-item{min-width:220px}
.lines .l-qty{width:90px}.lines .l-unit{width:80px}.lines .l-rate{width:120px}.lines .l-amt{width:130px;text-align:right;font-weight:700;padding-top:14px;font-variant-numeric:tabular-nums}
.lines .l-del{width:40px;text-align:center}
.lines .l-details{margin-top:5px;font-size:12.5px;color:var(--muted)}
.del-line{background:none;border:0;color:var(--faint);cursor:pointer;padding:8px;border-radius:6px}
.del-line:hover{color:var(--red);background:var(--red-bg)}
.totals{width:100%;max-width:380px;margin-left:auto}
.totals td{padding:7px 0}
.totals td:last-child{text-align:right;font-variant-numeric:tabular-nums}
.totals .grand td{border-top:2px solid var(--ink);font-size:17px;font-weight:800;padding-top:11px}
.totals input,.totals select{margin:0;width:auto;display:inline-block;padding:6px 8px;font-size:13px}
.totals .t-inp{width:90px}

/* ---------- Detail views ---------- */
.dl{display:grid;grid-template-columns:140px 1fr;gap:8px 12px;font-size:13.5px}
.dl dt{color:var(--muted)}.dl dd{margin:0;font-weight:500}
.summary-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));border:1px solid var(--line);border-radius:var(--r);background:#fff;margin-bottom:16px;overflow:hidden}
.summary-strip > div{padding:14px 18px;border-right:1px solid var(--line-2)}
.summary-strip > div:last-child{border-right:0}
.summary-strip small{display:block;color:var(--muted);font-size:12px;font-weight:600}
.summary-strip strong{font-size:18px;font-variant-numeric:tabular-nums}

/* ---------- Document preview (invoice view inside app) ---------- */
.doc-paper{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:40px;max-width:900px}

/* ---------- Chart ---------- */
.chart{display:flex;align-items:flex-end;gap:14px;height:220px;padding:10px 4px 0;border-bottom:1px solid var(--line)}
.chart-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.chart-bars{display:flex;gap:4px;align-items:flex-end;height:100%;width:100%;justify-content:center}
.chart-bar{width:42%;max-width:26px;border-radius:5px 5px 0 0;min-height:2px;position:relative}
.chart-bar.s{background:var(--brand)}.chart-bar.e{background:#c9ced6}
.chart-bar:hover::after{content:attr(data-v);position:absolute;bottom:calc(100% + 4px);left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;font-size:11px;padding:3px 7px;border-radius:5px;white-space:nowrap;z-index:2}
.chart-labels{display:flex;gap:14px;padding:6px 4px 0}
.chart-labels span{flex:1;text-align:center;font-size:11.5px;color:var(--muted);font-weight:600}
.legend{display:flex;gap:14px;font-size:12px;color:var(--muted)}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:5px;vertical-align:-1px}
.bar-list .bl-row{margin-bottom:12px}
.bl-top{display:flex;justify-content:space-between;font-size:13px;margin-bottom:5px}
.bl-track{height:7px;background:var(--line-2);border-radius:4px;overflow:hidden}
.bl-fill{height:100%;background:var(--brand);border-radius:4px}

/* ---------- Auth ---------- */
.auth-body{background:#fff}
.auth-wrap{display:grid;grid-template-columns:1fr 1fr;min-height:100vh}
.auth-side{background:var(--sb);color:#fff;padding:56px;display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden}
.auth-side::after{content:'';position:absolute;right:-120px;bottom:-120px;width:380px;height:380px;border-radius:50%;background:var(--brand);opacity:.18}
.auth-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;position:absolute;top:40px;left:56px}
.auth-side h2{font-size:38px;font-weight:800;letter-spacing:-.03em;line-height:1.12}
.auth-points{list-style:none;padding:0;margin:28px 0 0;color:#c3c8d1;font-size:15px}
.auth-points li{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.auth-points .ico{color:var(--brand)}
.auth-main{display:flex;align-items:center;justify-content:center;padding:40px 24px}
.auth-card{width:100%;max-width:420px}
.auth-card h1{font-size:26px;font-weight:800;margin-bottom:4px}
.auth-card .muted{margin:0 0 22px}
.auth-card input{padding:11px 12px}
.auth-alt{text-align:center;margin-top:22px;color:var(--muted)}
.row-between{display:flex;justify-content:space-between;align-items:center;font-size:13px}

/* ---------- Responsive ---------- */
@media (max-width:1100px){.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.cols-main{grid-template-columns:minmax(0,1fr)!important}}
@media (max-width:860px){
  .app{background:var(--bg)}
  .sidebar{position:fixed;left:0;top:0;transform:translateX(-100%);transition:transform .2s}
  .sidebar.open{transform:none}
  .sb-overlay.open{display:block;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:35}
  .only-mobile{display:grid}
  .topbar{padding:0 14px}
  .content{padding:16px}
  .form-grid,.grid-2,.grid-3{grid-template-columns:minmax(0,1fr)}
  .auth-wrap{grid-template-columns:1fr}.auth-side{display:none}
  .doc-paper{padding:20px}
  .hide-sm{display:none}
  .dl{grid-template-columns:110px 1fr}
}
@media (max-width:560px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .kpi{padding:12px}.kpi-value{font-size:18px}
  .page-head h1{font-size:19px}
  .tb-search{display:none}
  .filters input[type=search]{min-width:0;flex:1}
  .lines,.lines tbody{display:block;width:100%}
  .lines input,.lines select{width:100%}
  .lines thead{display:none}
  .form-actions{flex-wrap:wrap}
  .lines input,.lines select{min-width:0}
  .lines tr{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) 36px;gap:6px;padding:10px 0;border-bottom:1px solid var(--line)}
  .lines td{border:0;padding:0}
  .lines td.l-item{grid-column:1/-1;min-width:0}
  .lines td.l-amt{grid-column:1/4;text-align:left;padding-top:4px}
  .lines .l-qty,.lines .l-unit,.lines .l-rate{width:100%}
}
@media print{
  .sidebar,.topbar,.page-actions,.banner,.no-print{display:none!important}
  body{background:#fff}.content{padding:0}.card{box-shadow:none}
}