:root{--ink:#16202c;--muted:#5f6b7a;--line:#e3e8ef;--bg:#f6f8fb;--card:#fff;--brand:#2459d6;--brand2:#1b44a8;--ok:#1e8e5a;--warn:#b7791f;--bad:#c53030;--r:10px}
*{box-sizing:border-box}html,body{margin:0}body{font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}h1{font-size:24px;margin:0}h2{margin:0 0 8px}h3{font-size:15px;margin:0 0 12px}
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:12px;height:54px;padding:0 18px;background:#fff;border-bottom:1px solid var(--line)}
.logo-link{display:flex;align-items:center;gap:8px;font-weight:700;font-size:17px;color:var(--ink);text-decoration:none}
.plan{font-size:12px;padding:2px 8px;border-radius:99px;background:#eef2f7;color:var(--muted)}body.pro .plan{background:#e6f6ee;color:var(--ok)}
.upgrade{margin-left:auto;font-weight:600;text-decoration:none}body.pro .upgrade{display:none}
.menu{display:none;border:0;background:none;font-size:22px;cursor:pointer}
.layout{display:flex;min-height:calc(100vh - 54px)}
.nav{width:210px;flex:none;padding:16px 10px;border-right:1px solid var(--line);background:#fff;display:flex;flex-direction:column;gap:2px}
.nav a{padding:9px 12px;border-radius:8px;color:var(--ink);text-decoration:none}.nav a:hover{background:#f1f4f9}.nav a.active{background:#e8efff;color:var(--brand2);font-weight:600}
.navfoot{margin-top:auto;padding:12px;font-size:12px;color:var(--muted)}.navfoot a{padding:0;display:inline;color:var(--muted)}
.view{flex:1;min-width:0;padding:24px 28px 60px;max-width:1180px}
.head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--ink);font:inherit;font-weight:500;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{border-color:#c7d0dc}.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.primary:hover{background:var(--brand2)}
.btn.ghost{background:transparent}.btn.danger{color:var(--bad)}.btn.small{padding:4px 10px;font-size:13px}.btn.big{padding:12px 22px;font-size:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:16px}.card.flush{padding:0;overflow:auto}
.pad{padding:18px}.muted{color:var(--muted)}.small{font-size:13px}.mt{margin-top:14px}
.welcome{background:linear-gradient(135deg,#eef3ff,#fff)}
.note{padding:10px 14px;border-radius:8px;margin-bottom:14px;font-size:14px}.note.warn{background:#fff8e6;border:1px solid #f3dca5}
.kpis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:16px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px}.kpi span{display:block;font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.kpi b{display:block;font-size:22px;margin-top:4px}.kpi small{color:var(--muted)}.kpi.alert{border-color:#f5c2c2;background:#fff7f7}.kpi.alert b{color:var(--bad)}
.protag{font-style:normal;text-transform:none;letter-spacing:0;font-size:11px}
.grid2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:16px;align-items:start}
.bars{display:flex;align-items:flex-end;gap:10px;height:170px;padding-top:8px}.bar{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end}
.bar .fill{width:100%;max-width:46px;background:linear-gradient(#4c7cf0,var(--brand));border-radius:6px 6px 0 0;min-height:2px}.bar span{font-size:12px;color:var(--muted);margin-top:4px}
.tbl{width:100%;border-collapse:collapse}.tbl th,.tbl td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.tbl th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em;background:#fafbfd}
.tbl tfoot td{font-weight:700}.r{text-align:right!important}.rowlink{cursor:pointer}.rowlink:hover{background:#f8faff}
.pill{display:inline-block;padding:1px 9px;border-radius:99px;font-size:12px;font-weight:600;text-transform:capitalize;vertical-align:middle}
.pill.draft{background:#eef1f5;color:#556}.pill.sent{background:#e8efff;color:var(--brand2)}.pill.paid{background:#e3f5ec;color:var(--ok)}.pill.overdue{background:#fde8e8;color:var(--bad)}.pill.pro{background:#fff3d6;color:#8a5a00;text-transform:none}
.tabs{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}.tab{border:1px solid var(--line);background:#fff;border-radius:99px;padding:5px 14px;cursor:pointer;text-transform:capitalize;font:inherit;font-size:14px}.tab.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.form label{display:block;font-size:13px;font-weight:600;margin-bottom:12px}.form label small{font-weight:400;color:var(--muted)}
.form input,.form select,.form textarea{display:block;width:100%;margin-top:4px;padding:8px 10px;border:1px solid #cfd7e2;border-radius:8px;font:inherit;font-weight:400;background:#fff;color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid #bcd0ff;border-color:var(--brand)}
.row3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 14px}
.items{width:100%;border-collapse:collapse;margin-bottom:8px}.items th{font-size:12px;color:var(--muted);text-align:left;padding:4px}.items td{padding:4px}.items input{margin:0!important}
.items .n{width:110px;text-align:right}.items .amt{white-space:nowrap;font-weight:600}.items input[data-f=qty],.items input[data-f=rate]{text-align:right}
.x{border:0;background:none;color:var(--muted);font-size:20px;cursor:pointer;line-height:1}.x:hover{color:var(--bad)}
.sum div,.doc-sum div{display:flex;justify-content:space-between;gap:20px;padding:3px 0}.sum .tot,.doc-sum .tot{border-top:2px solid var(--ink);margin-top:4px;padding-top:6px;font-size:17px}
.checks{padding-left:0;list-style:none}.checks li{padding:4px 0 4px 26px;position:relative}.checks li:before{content:"✓";position:absolute;left:4px;color:var(--ok);font-weight:700}
code{background:#f1f4f9;padding:1px 5px;border-radius:4px}.logoprev img{max-height:48px;vertical-align:middle;margin-right:8px}
.danger-zone{border-color:#f5d0d0}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:10px 18px;border-radius:8px;opacity:0;pointer-events:none;transition:.2s;max-width:90vw;z-index:20}
.toast.show{opacity:1;transform:translateX(-50%)}.toast.bad{background:var(--bad)}
/* invoice document */
.doc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:48px 52px;max-width:820px;box-shadow:0 2px 14px rgba(20,30,50,.06)}
.doc-top{display:flex;justify-content:space-between;gap:24px;margin-bottom:36px}.doc .logo{max-height:56px;max-width:200px;margin-bottom:10px;display:block}
.biz{font-size:20px;font-weight:700}.biz2{font-weight:700;font-size:16px}.pre{white-space:pre-line}
.doc-title{font-size:30px;font-weight:800;letter-spacing:.06em;color:var(--brand2);text-align:right;margin-bottom:8px}.doc-meta table td{padding:2px 0 2px 16px;text-align:right}.doc-meta table td:first-child{color:var(--muted)}
.billto{margin-bottom:28px}.billto span,.doc-note span{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:4px}
.doc-items{width:100%;border-collapse:collapse}.doc-items th{text-align:left;font-size:12px;text-transform:uppercase;color:var(--muted);border-bottom:2px solid var(--ink);padding:8px 6px}.doc-items td{padding:10px 6px;border-bottom:1px solid var(--line)}.doc-items .n{text-align:right;white-space:nowrap}
.doc-sum{margin:18px 0 0 auto;max-width:320px}.doc-note{margin-top:26px}.credit{margin-top:40px;font-size:11px;color:#9aa4b2;text-align:center}
@media (max-width:860px){.grid2,.row3{grid-template-columns:1fr}.kpis{grid-template-columns:repeat(2,minmax(0,1fr))}.nav{position:fixed;top:54px;bottom:0;left:0;z-index:6;transform:translateX(-100%);transition:.2s;box-shadow:4px 0 20px rgba(0,0,0,.08)}body.navopen .nav{transform:none}.menu{display:block}.view{padding:18px 14px 60px}.doc{padding:26px 20px}.doc-top{flex-direction:column}.doc-title{text-align:left}}
@media print{@page{margin:14mm}body{background:#fff}.noprint,.top,.nav,.toast{display:none!important}.view{padding:0;max-width:none}.doc{border:0;box-shadow:none;padding:0;max-width:none}}

/* keyboard shortcuts help */
.kbhelp{position:fixed;inset:0;background:rgba(15,23,40,.45);display:flex;align-items:center;justify-content:center;z-index:30;padding:16px}
.kbhelp-card{background:#fff;border-radius:12px;padding:22px 24px;max-width:420px;width:100%;box-shadow:0 16px 50px rgba(15,23,40,.25)}
.kbhelp-card h3{margin:0 0 12px}
.kbhelp-tbl{width:100%;border-collapse:collapse;margin-bottom:14px}
.kbhelp-tbl td{padding:6px 0;vertical-align:top;font-size:14px}
.kbhelp-tbl td:first-child{width:46%;white-space:nowrap;padding-right:12px}
kbd{display:inline-block;padding:1px 7px;border:1px solid #cfd7e2;border-bottom-width:2px;border-radius:5px;background:#f6f8fb;font:12px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--ink)}
.doc[data-lang=ar] .doc-title,.doc[data-lang=ur] .doc-title{font-size:22px;letter-spacing:.02em}