:root{
  --brand:#4F46E5;--brand2:#06B6D4;--grad:linear-gradient(135deg,#4F46E5,#06B6D4);
  --ink:#0B1220;--body:#475569;--muted:#94A3B8;--bg:#F6F8FC;--surface:#fff;--surface2:#F1F5FB;
  --line:#E5EAF2;--ok:#16A34A;--warn:#D97706;--danger:#DC2626;--shadow:0 10px 30px rgba(20,40,80,.07)
}
*{box-sizing:border-box}body{margin:0;font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--body)}
a{color:var(--brand);text-decoration:none}h1,h2,h3{color:var(--ink);margin:0 0 12px}
.shell{display:grid;grid-template-columns:248px 1fr;min-height:100vh}
.side{background:var(--surface);border-right:1px solid var(--line);padding:24px 16px;position:sticky;top:0;height:100vh;overflow-y:auto;overflow-x:hidden}
.side::-webkit-scrollbar{width:7px}.side::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink);margin-bottom:30px}
.brand .m{width:30px;height:30px;border-radius:9px;background:var(--grad);box-shadow:0 6px 16px rgba(79,70,229,.4)}
.nsec{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:700;margin:22px 10px 6px}
.nav a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--body);font-size:14px;font-weight:500;margin-bottom:3px}
.nav a:hover{background:var(--surface2)}.nav a.on{background:rgba(79,70,229,.1);color:var(--brand);font-weight:600}
.top{display:flex;justify-content:space-between;align-items:center;padding:16px 32px;background:rgba(255,255,255,.8);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.top .t{font-size:19px;font-weight:700;color:var(--ink)}
.content{padding:32px}
.btn{display:inline-flex;align-items:center;gap:8px;cursor:pointer;border:1px solid transparent;border-radius:10px;padding:10px 16px;font-size:13.5px;font-weight:600;font-family:inherit;transition:.18s}
.btn-p{background:var(--grad);color:#fff;box-shadow:0 4px 12px rgba(79,70,229,.18)}.btn-p:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(79,70,229,.26)}
.btn-g{background:var(--surface);border-color:var(--line);color:var(--body)}.btn-g:hover{border-color:var(--brand);color:var(--brand);background:var(--surface2)}
.btn-d{background:var(--surface);border-color:var(--line);color:var(--danger)}.btn-d:hover{background:var(--danger);color:#fff}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow)}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-size:13px;color:var(--muted);font-weight:600}
.input{width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:10px;background:var(--surface);font-size:14px;font-family:inherit;color:var(--ink)}
.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(79,70,229,.13)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px}
.kpi .v{font-size:30px;font-weight:800;color:var(--ink)}.kpi .l{color:var(--muted);font-size:13px;margin-top:4px}
.gridk{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:24px}
.badge{display:inline-block;padding:4px 11px;border-radius:99px;font-size:12px;font-weight:600}
.b-ok{color:var(--ok);background:rgba(22,163,74,.12)}.b-warn{color:var(--warn);background:rgba(217,119,6,.12)}
.b-info{color:var(--brand);background:rgba(79,70,229,.12)}.b-bad{color:var(--danger);background:rgba(220,38,38,.12)}
table.data{width:100%;border-collapse:collapse;background:var(--surface)}
table.data th{text-align:left;font-size:11px;text-transform:uppercase;color:var(--muted);padding:12px 16px;border-bottom:1px solid var(--line);background:var(--surface2)}
table.data td{padding:14px 16px;border-bottom:1px solid var(--line);font-size:14px}
.wizard-step{border:1px solid var(--line);border-radius:14px;padding:22px;margin-bottom:18px;background:var(--surface)}
.wizard-step h3{display:flex;align-items:center;gap:10px}
.wizard-step h3 .n{width:28px;height:28px;border-radius:8px;background:rgba(79,70,229,.12);color:var(--brand);display:grid;place-items:center;font-size:14px;font-weight:800}
.authwrap{min-height:100vh;display:grid;place-items:center;background:radial-gradient(700px 380px at 50% 0%,rgba(79,70,229,.14),transparent),var(--bg)}

/* settings sub-nav */
.settings-nav{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:22px;background:var(--surface2);border:1px solid var(--line);border-radius:12px;padding:5px}
.settings-nav a{padding:9px 18px;border-radius:9px;color:var(--body);font-weight:600;font-size:13.5px;transition:.15s}
.settings-nav a:hover{background:var(--surface)}
.settings-nav a.on{background:var(--surface);color:var(--brand);box-shadow:0 1px 3px rgba(0,0,0,.06)}
.banner{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-weight:600;font-size:14px}
.banner.ok{background:rgba(22,163,74,.12);color:var(--ok)}
.banner.bad{background:rgba(220,38,38,.12);color:var(--danger)}
.grid-split{display:grid;grid-template-columns:1fr 340px;gap:22px;align-items:start}
@media(max-width:900px){.grid2,.grid-split{grid-template-columns:1fr}}

/* dynamic dashboard bits */
.kpi{position:relative;overflow:hidden}
.kpi .v{background:linear-gradient(120deg,var(--brand),var(--brand2));-webkit-background-clip:text;background-clip:text;color:transparent}
.kpi.plain .v{background:none;color:var(--ink)}
.kpi::after{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;border-radius:50%;background:radial-gradient(circle,rgba(79,70,229,.10),transparent 70%)}
.count{font-variant-numeric:tabular-nums}
.bar-row{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.bar-row .lab{width:84px;font-size:13px;color:var(--muted)}
.bar-track{flex:1;height:24px;background:var(--surface2);border-radius:8px;overflow:hidden}
.bar-fill{height:100%;border-radius:8px;width:0;animation:grow 1s cubic-bezier(.2,.8,.2,1) forwards}
@keyframes grow{to{width:var(--w)}}
.bar-row .num{width:46px;text-align:right;font-weight:700;font-variant-numeric:tabular-nums}
.donut{--p:0;width:150px;height:150px;border-radius:50%;background:conic-gradient(var(--ok) calc(var(--p)*1%),var(--surface2) 0);display:grid;place-items:center;animation:spin .9s ease}
@keyframes spin{from{transform:rotate(-25deg);opacity:.4}to{transform:none;opacity:1}}
.donut .hole{width:108px;height:108px;border-radius:50%;background:var(--surface);display:grid;place-items:center;text-align:center}
.donut .hole b{font-size:1.8rem;color:var(--ink)}
.alert{border-inline-start:3px solid var(--warn);background:var(--surface2);border-radius:8px;padding:10px 14px;margin-bottom:8px}
.alert.crit{border-color:var(--danger)}
.health{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.health .dot{width:10px;height:10px;border-radius:50%}
.health .dot.ok{background:var(--ok)}.health .dot.no{background:var(--danger)}
.fade-up{opacity:0;transform:translateY(16px);animation:fu .6s cubic-bezier(.2,.8,.2,1) forwards}
@keyframes fu{to{opacity:1;transform:none}}
.fade-up:nth-child(2){animation-delay:.06s}.fade-up:nth-child(3){animation-delay:.12s}.fade-up:nth-child(4){animation-delay:.18s}

.super-banner{background:linear-gradient(135deg,rgba(79,70,229,.12),rgba(6,182,212,.10));border:1px solid rgba(79,70,229,.3);border-radius:12px;padding:14px 18px;margin-bottom:20px;font-size:14px;color:var(--ink)}
.super-banner a{font-weight:600}

/* modal */
.modal-overlay{position:fixed;inset:0;background:rgba(11,18,32,.55);backdrop-filter:blur(3px);display:none;place-items:center;z-index:100}
.modal-overlay.show{display:grid}
.modal{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px;width:430px;max-width:92vw;max-height:90vh;overflow-y:auto;box-shadow:0 30px 80px rgba(0,0,0,.3);animation:pop .2s ease}
.modal::-webkit-scrollbar{width:8px}.modal::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}
@keyframes pop{from{transform:scale(.96);opacity:0}to{transform:none;opacity:1}}

/* loader overlay */
.app-loader{position:fixed;inset:0;background:rgba(11,18,32,.45);backdrop-filter:blur(2px);display:none;place-items:center;z-index:200}
.app-loader.show{display:grid}
.app-loader-box{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px 30px;display:flex;flex-direction:column;align-items:center;gap:14px;box-shadow:0 30px 80px rgba(0,0,0,.3);font-weight:600;color:var(--ink)}
.spinner{width:38px;height:38px;border-radius:50%;border:4px solid var(--surface2);border-top-color:var(--brand);animation:spin360 .8s linear infinite}
@keyframes spin360{to{transform:rotate(360deg)}}

/* timeline */
.timeline{position:relative;margin-top:8px}
.tl-item{position:relative;display:flex;gap:12px;padding:0 0 16px 6px}
.tl-item:not(:last-child)::before{content:"";position:absolute;left:10px;top:18px;bottom:0;width:2px;background:var(--line)}
.tl-dot{width:14px;height:14px;border-radius:50%;flex:0 0 auto;margin-top:3px;z-index:1;box-shadow:0 0 0 3px var(--surface)}
.tl-dot.ok{background:var(--ok)}.tl-dot.bad{background:var(--danger)}.tl-dot.info{background:var(--brand)}

/* zebra table + sortable headers */
.data-zebra tbody tr:nth-child(even){background:var(--surface2)}
.data-zebra tbody tr:hover{background:rgba(79,70,229,.06)}
.sort{color:inherit;text-decoration:none;user-select:none;white-space:nowrap}
.sort:hover{color:var(--brand)}

/* slim row actions */
.linkbtn{background:none;border:none;color:var(--brand);font-weight:600;font-size:13px;cursor:pointer;font-family:inherit;padding:5px 8px;border-radius:7px}
.linkbtn:hover{background:rgba(79,70,229,.12)}
.rowgo{display:inline-block;color:var(--muted);font-size:20px;line-height:1;font-weight:700;padding:0 4px 0 10px;text-decoration:none;vertical-align:middle}
.rowgo:hover{color:var(--brand)}

/* categorized actions toolbar */
.toolbar{display:flex;flex-wrap:wrap;align-items:flex-start;gap:20px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin-bottom:18px;box-shadow:0 1px 2px rgba(0,0,0,.03)}
.tgroup{display:flex;flex-direction:column;gap:7px}
.tlabel{font-size:10.5px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:700}
.trow{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.tsep{width:1px;background:var(--line);align-self:stretch;margin:2px 0}
@media(max-width:760px){.tsep{display:none}}

/* ===== dark / light theme ===== */
[data-theme="dark"]{
  --ink:#E8EDFB;--body:#AEB8CF;--muted:#7C89A6;
  --bg:#0B1020;--surface:#141B30;--surface2:#1B2440;--line:#28324E;
  --shadow:0 12px 34px rgba(0,0,0,.45);
}
[data-theme="dark"] .top{background:rgba(20,27,48,.82)}
[data-theme="dark"] .side{background:#0F1626}
[data-theme="dark"] .data-zebra tbody tr:hover{background:rgba(79,70,229,.16)}

/* ===== modern auth (login) ===== */
.authpage{min-height:100vh;display:grid;place-items:center;padding:24px;background:
  radial-gradient(900px 520px at 82% -12%,rgba(79,70,229,.12),transparent 60%),
  radial-gradient(760px 520px at -12% 112%,rgba(6,182,212,.12),transparent 60%),var(--bg)}
.authcard{display:grid;grid-template-columns:1.04fr .96fr;width:864px;max-width:100%;border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:0 40px 90px rgba(20,30,70,.20)}
.authbrand{position:relative;padding:46px;color:#fff;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;min-height:430px;background:linear-gradient(150deg,#4F46E5,#06B6D4 58%,#7C3AED)}
.authbrand::after{content:"";position:absolute;width:340px;height:340px;border-radius:50%;background:rgba(255,255,255,.12);top:-130px;right:-130px}
.authbrand>div{position:relative;z-index:1}
.authbrand .big{font-weight:800;font-size:1.9rem;line-height:1.15;letter-spacing:-.02em}
.authbrand .sub{opacity:.92;margin-top:10px;font-size:1rem;max-width:30ch}
.authbrand .feat{display:flex;align-items:center;font-size:.95rem;opacity:.96;margin-top:9px}
.authlogo{width:50px;height:50px;border-radius:13px;background:rgba(255,255,255,.18);display:grid;place-items:center;font-weight:800;font-size:22px;margin-bottom:20px;overflow:hidden}
.authform{padding:48px 46px;background:var(--surface);display:flex;flex-direction:column;justify-content:center}
@media(max-width:760px){.authcard{grid-template-columns:1fr;width:420px}.authbrand{display:none}}

/* ===== tighter toolbar buttons (#3) ===== */
.toolbar{gap:14px;padding:12px 16px}
.toolbar .btn{padding:8px 13px;font-size:13px}
.toolbar .input{font-size:13px}
.btn{transition:transform .15s ease, background .2s ease, border-color .2s ease, color .2s ease}

/* field hints */
.hint{color:var(--muted);font-size:12px;margin:6px 0 0}
.hint code{background:var(--surface2);padding:1px 6px;border-radius:5px;font-size:11.5px}

/* app footer */
.app-footer{margin-top:28px;padding:18px 0;text-align:center;color:var(--muted);font-size:12.5px;border-top:1px solid var(--border)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}

/* invoice pager */
.pager{display:flex;justify-content:space-between;align-items:center;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);flex-wrap:wrap;gap:12px}
.pager-info{color:var(--muted);font-size:13px}
.pager-btns{display:flex;gap:8px}
.pager-btns .btn{padding:8px 14px}

/* detail labels */
.lbl{color:var(--muted);font-size:12px;margin-bottom:2px}
.sub{color:var(--muted);font-size:12.5px;line-height:1.5}

/* ---------- collapsible sidebar (mini rail) ---------- */
.side{transition:width .22s ease}
.shell{transition:grid-template-columns .22s ease}
.brand{position:relative}
.side-tog{position:absolute;right:-6px;top:2px;width:26px;height:26px;border:1px solid var(--line);
  background:var(--card,#fff);color:var(--muted);border-radius:8px;cursor:pointer;font-size:13px;line-height:1;
  display:flex;align-items:center;justify-content:center;transition:color .15s,border-color .15s}
.side-tog:hover{color:var(--brand);border-color:var(--brand)}
.nav a i{font-style:normal;width:18px;text-align:center;flex:none}

/* collapsed state: icons only */
html.side-mini .shell{grid-template-columns:74px 1fr}
html.side-mini .side{padding:24px 10px}
html.side-mini .brand-t{display:none}
html.side-mini .brand{justify-content:center;margin-bottom:26px}
html.side-mini .side-tog{position:static;margin-left:2px}
html.side-mini .nsec{text-align:center;font-size:9px;letter-spacing:.02em;margin:16px 0 6px;overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
html.side-mini .nav a{justify-content:center;padding:11px 6px}
html.side-mini .nav a span{display:none}
html.side-mini .nav a i{width:auto;font-size:17px}
/* tooltip on hover when collapsed */
html.side-mini .nav a{position:relative}
html.side-mini .nav a:hover::after{content:attr(data-t);position:absolute;left:calc(100% + 8px);top:50%;
  transform:translateY(-50%);background:#0f172a;color:#fff;padding:5px 10px;border-radius:7px;font-size:12px;
  white-space:nowrap;z-index:50;pointer-events:none}

@media(max-width:820px){
  .shell{grid-template-columns:1fr}
  .side{position:static;height:auto}
  .side-tog{display:none}
}

/* ---------- collapsible nav group (Manual Invoices) ---------- */
.grp-h{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border:0;background:none;
  border-radius:10px;color:var(--body);font:inherit;font-size:14px;font-weight:500;cursor:pointer;margin-bottom:3px}
.grp-h:hover{background:var(--surface2)}
.grp-h i{font-style:normal;width:18px;text-align:center;flex:none}
.grp-h .chev{margin-left:auto;font-style:normal;font-size:16px;transition:transform .2s;color:var(--muted)}
.grp-h.open .chev{transform:rotate(90deg)}
.grp-b{display:none;margin:2px 0 4px 10px;padding-left:8px;border-left:1px solid var(--line)}
.grp-b.open{display:block}
.grp-b a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;color:var(--body);
  font-size:13.5px;font-weight:500;margin-bottom:2px}
.grp-b a i{font-style:normal;width:18px;text-align:center;flex:none}
.grp-b a:hover{background:var(--surface2)}
.grp-b a.on{background:rgba(79,70,229,.1);color:var(--brand);font-weight:600}

/* collapsed mini-rail: show group items inline (no nesting), hide chevron/labels */
html.side-mini .grp-h .chev{display:none}
html.side-mini .grp-h span{display:none}
html.side-mini .grp-h{justify-content:center;padding:11px 6px}
html.side-mini .grp-b{display:block;margin:0;padding:0;border-left:0}
html.side-mini .grp-b a{justify-content:center;padding:11px 6px}
html.side-mini .grp-b a span{display:none}
html.side-mini .grp-b a i{font-size:17px}
html.side-mini .grp-h i{font-size:17px}