/* Invoice Tools — shared styles. Deep blue + green accent. Mobile-first. */
:root{
  --navy:#0a2e52;
  --navy-dark:#06223d;
  --blue:#10518c;
  --green:#17a673;
  --green-dark:#12805a;
  --ink:#16242f;
  --muted:#5a6b78;
  --bg:#f2f6fa;
  --card:#ffffff;
  --line:#d8e2ec;
  --paper-line:#c9d4de;
  --radius:12px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:var(--blue)}
a:hover{color:var(--green-dark)}
a:focus-visible,button:focus-visible{outline:2px solid var(--green);outline-offset:2px}

/* ---------- Header ---------- */
.site-head{
  background:linear-gradient(100deg,var(--navy-dark) 0%,var(--navy) 45%,var(--blue) 100%);
  color:#fff;
  position:sticky;
  top:0;
  z-index:50;
  box-shadow:0 4px 18px rgba(6,34,61,.28);
}
.site-head .inner{
  max-width:1100px;margin:0 auto;padding:12px 16px;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  color:#fff;text-decoration:none;font-weight:800;font-size:1.25rem;letter-spacing:.2px;
}
.logo img{width:30px;height:30px;display:block}
.logo span em{font-style:normal;color:#3ddc97}
.main-nav{display:flex;flex-wrap:wrap;gap:4px;margin-left:auto}
.main-nav a{
  color:#d7e5f2;text-decoration:none;font-size:.95rem;font-weight:600;
  padding:7px 11px;border-radius:8px;
  transition:background .18s ease,color .18s ease;
}
.main-nav a:hover{background:rgba(255,255,255,.12);color:#fff}
.main-nav a.active{background:var(--green);color:#fff}

/* ---------- Layout ---------- */
.wrap{max-width:1100px;margin:0 auto;padding:22px 16px 40px}
h1{font-size:1.7rem;line-height:1.25;margin:6px 0 8px;color:var(--navy-dark);letter-spacing:-.015em}
h2{font-size:1.25rem;color:var(--navy-dark);margin:26px 0 10px;letter-spacing:-.01em}
h3{font-size:1.05rem;color:var(--navy-dark);margin:18px 0 6px}
.lede{color:var(--muted);font-size:1.02rem;max-width:70ch;margin:0 0 14px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;margin:16px 0;
  box-shadow:0 2px 10px rgba(10,46,82,.05);
}

/* ---------- Hero / hub ---------- */
.hero{
  background:linear-gradient(130deg,var(--navy-dark) 0%,var(--navy) 48%,var(--blue) 100%);
  color:#fff;border-radius:var(--radius);padding:26px 22px;margin:8px 0 18px;
  box-shadow:0 10px 30px rgba(6,34,61,.22);
  animation:rise .5s ease both;
}
.hero h1{color:#fff;margin-top:0}
.hero p{color:#d7e5f2;max-width:72ch;margin:0 0 10px}
.hero .badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.badge{
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);
  color:#fff;border-radius:999px;padding:4px 12px;font-size:.85rem;font-weight:600;
}
.tool-grid{display:grid;grid-template-columns:1fr;gap:14px;margin:16px 0}
@media(min-width:640px){.tool-grid{grid-template-columns:1fr 1fr}}
@media(min-width:960px){.tool-grid{grid-template-columns:repeat(4,1fr)}}
.tool-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;text-decoration:none;color:var(--ink);display:block;
  box-shadow:0 2px 8px rgba(10,46,82,.05);
  transition:border-color .18s ease, box-shadow .18s ease, transform .18s ease;
  animation:rise .5s ease both;
}
.tool-grid .tool-card:nth-child(2){animation-delay:.06s}
.tool-grid .tool-card:nth-child(3){animation-delay:.12s}
.tool-grid .tool-card:nth-child(4){animation-delay:.18s}
.tool-card:hover{border-color:var(--green);box-shadow:0 12px 26px rgba(10,46,82,.14);transform:translateY(-3px);color:var(--ink)}
.tool-card .ic{font-size:1.7rem;line-height:1}
.tool-card h3{margin:10px 0 4px}
.tool-card p{margin:0;color:var(--muted);font-size:.92rem}

/* ---------- Generator layout ---------- */
.gen-grid{display:grid;grid-template-columns:1fr;gap:20px;align-items:start}
@media(min-width:960px){.gen-grid{grid-template-columns:5fr 6fr}}
.editor-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;
  box-shadow:0 2px 10px rgba(10,46,82,.05);
}
.editor-panel h2{margin-top:0;font-size:1.1rem}
fieldset{border:1px solid var(--line);border-radius:10px;padding:12px 14px 6px;margin:0 0 14px}
legend{font-weight:700;color:var(--navy-dark);font-size:.95rem;padding:0 6px}
label{display:block;font-size:.85rem;font-weight:600;color:var(--navy-dark);margin:8px 0 4px}
input[type=text],input[type=email],input[type=number],input[type=date],select,textarea{
  width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:8px;
  font:inherit;font-size:.95rem;background:#fff;color:var(--ink);
  transition:border-color .15s ease, box-shadow .15s ease;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(23,166,115,.18)}
textarea{resize:vertical;min-height:56px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}
.items-head,.item-row{display:grid;grid-template-columns:minmax(110px,1fr) 52px 76px 68px 118px;gap:6px;align-items:end}
.items-head{font-size:.8rem;font-weight:700;color:var(--muted);margin-top:6px}
.item-row{margin-top:8px;animation:faqIn .25s ease}
.item-row .amt{font-size:.9rem;font-weight:600;text-align:right;padding-bottom:9px;color:var(--navy-dark)}
.row-actions{display:flex;gap:4px;align-items:center;padding-bottom:1px}
.btn{
  display:inline-block;border:0;cursor:pointer;border-radius:9px;
  background:var(--green);color:#fff;font:inherit;font-weight:700;font-size:.95rem;
  padding:11px 20px;text-decoration:none;text-align:center;
  box-shadow:0 3px 10px rgba(18,128,90,.25);
  transition:background .18s ease, transform .18s ease, box-shadow .18s ease;
}
.btn:hover{background:var(--green-dark);transform:translateY(-1px);box-shadow:0 6px 16px rgba(18,128,90,.3)}
.btn:active{transform:translateY(0)}
.btn-blue{background:var(--blue);box-shadow:0 3px 10px rgba(16,81,140,.25)}
.btn-blue:hover{background:var(--navy)}
.btn-small{padding:7px 13px;font-size:.88rem}
.btn-ghost{
  background:#fff;border:1px solid var(--line);color:var(--blue);cursor:pointer;
  border-radius:8px;font:inherit;font-weight:700;padding:6px 12px;font-size:.85rem;
  transition:border-color .15s ease,color .15s ease;
}
.btn-ghost:hover{border-color:var(--green);color:var(--green-dark)}
.btn-mini{
  background:#eef3f7;border:1px solid var(--line);color:var(--navy);border-radius:7px;
  width:27px;height:38px;cursor:pointer;font-size:.82rem;line-height:1;padding:0;
  transition:background .15s ease,border-color .15s ease,color .15s ease;
}
.btn-mini:hover{background:#e2f2ea;border-color:var(--green);color:var(--green-dark)}
.btn-mini:disabled{opacity:.35;cursor:default;background:#eef3f7;border-color:var(--line);color:var(--navy)}
.btn-mini-danger{color:#a33;font-size:1rem}
.btn-mini-danger:hover{background:#fbeeee;border-color:#d9a3a3;color:#a33}
.btn-remove{
  background:#eef3f7;border:1px solid var(--line);color:#a33;border-radius:8px;
  width:30px;height:38px;cursor:pointer;font-size:1rem;line-height:1;
}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 4px}
.hint{font-size:.85rem;color:var(--muted)}

/* ---------- Tax preset chips / toggles / profile bar ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px;align-items:center}
.chip-row .chip-label{font-size:.82rem;font-weight:700;color:var(--muted);margin-right:2px}
.chip{
  border:1px solid var(--line);background:#fff;border-radius:999px;padding:5px 14px;
  font:inherit;font-size:.85rem;font-weight:700;color:var(--navy);cursor:pointer;
  transition:background .15s ease,border-color .15s ease,color .15s ease;
}
.chip:hover{border-color:var(--green);color:var(--green-dark)}
.chip.active{background:var(--green);border-color:var(--green);color:#fff}
.checkline{display:flex;gap:9px;align-items:flex-start;font-weight:600;margin-top:12px;cursor:pointer}
.checkline input{width:17px;height:17px;margin-top:2px;accent-color:var(--green);flex:none}
.profile-bar{margin-top:14px;border-top:1px dashed var(--line);padding-top:4px}
.profile-bar .checkline{margin-top:8px}
.profile-bar .hint{margin:6px 0 0}
.profile-bar .btn-ghost{margin-left:6px;vertical-align:middle}

/* ---------- The document (printable) ---------- */
.doc-panel{position:sticky;top:76px}
.doc{
  background:#fff;border:1px solid var(--paper-line);border-radius:6px;
  box-shadow:0 14px 38px rgba(10,46,82,.16);
  padding:34px 34px 28px;color:#1d2a35;font-size:.93rem;
  position:relative;
}
.doc-watermark{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  pointer-events:none;z-index:3;
}
.doc-watermark[hidden]{display:none}
.doc-watermark span{
  font-size:5.2rem;font-weight:900;letter-spacing:10px;color:rgba(18,128,90,.15);
  transform:rotate(-18deg);text-transform:uppercase;user-select:none;
}
.doc-top{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-bottom:3px solid var(--navy);padding-bottom:14px}
.doc-biz{font-weight:800;font-size:1.2rem;color:var(--navy-dark)}
.doc-sub{color:var(--muted);font-size:.85rem;white-space:pre-line}
.doc-title{text-align:right}
.doc-title .t{font-size:1.5rem;font-weight:800;letter-spacing:2px;color:var(--navy)}
.doc-meta{font-size:.88rem;color:var(--muted)}
.doc-meta b{color:var(--ink)}
.doc-parties{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;margin:16px 0 4px}
.doc-party{min-width:200px}
.doc-party .lbl{font-size:.75rem;font-weight:800;letter-spacing:1px;color:var(--green-dark);text-transform:uppercase;margin-bottom:3px}
.doc-party .who{font-weight:700}
table.doc-items{width:100%;border-collapse:collapse;margin:14px 0 6px}
table.doc-items th{
  background:var(--navy);color:#fff;text-align:left;padding:8px 10px;font-size:.82rem;letter-spacing:.4px;
}
table.doc-items th.n,table.doc-items td.n{text-align:right}
table.doc-items td{padding:8px 10px;border-bottom:1px solid var(--paper-line);vertical-align:top}
.doc-totals{margin-left:auto;width:270px;max-width:100%}
.doc-totals table{width:100%;border-collapse:collapse}
.doc-totals td{padding:5px 4px;font-size:.92rem}
.doc-totals td.n{text-align:right;font-weight:600}
.doc-totals tr.grand td{
  border-top:2px solid var(--navy);font-size:1.05rem;font-weight:800;color:var(--navy-dark);padding-top:8px;
}
.doc-notes{margin-top:18px;font-size:.88rem;color:var(--muted);white-space:pre-line}
.doc-notes .lbl{font-weight:700;color:var(--ink)}
.paid-stamp{
  display:inline-block;border:3px solid var(--green);color:var(--green-dark);
  font-weight:800;font-size:1.3rem;letter-spacing:3px;padding:4px 18px;border-radius:8px;
  transform:rotate(-6deg);text-transform:uppercase;
}
.sig-block{margin-top:34px;display:flex;gap:40px;flex-wrap:wrap}
.sig-line{border-top:1px solid #44566a;padding-top:5px;font-size:.85rem;color:var(--muted);min-width:210px;margin-top:38px}
.doc-foot{margin-top:26px;border-top:1px solid var(--paper-line);padding-top:8px;font-size:.78rem;color:#8a99a6;text-align:center}

/* ---------- Margin calculator ---------- */
.calc-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:760px){.calc-grid{grid-template-columns:1fr 1fr}}
.result-box{
  background:#eef7f2;border:1px solid #bfe6d4;border-radius:10px;padding:14px 16px;margin-top:12px;
  box-shadow:0 2px 10px rgba(18,128,90,.08);
}
.result-box table{width:100%;border-collapse:collapse}
.result-box td{padding:5px 2px}
.result-box td.n{text-align:right;font-weight:700}
.result-box .big{font-size:1.2rem;color:var(--navy-dark)}

/* ---------- Info / FAQ / footer ---------- */
details{
  background:var(--card);border:1px solid var(--line);border-radius:10px;
  padding:12px 16px;margin:10px 0;
  box-shadow:0 2px 8px rgba(10,46,82,.04);
  transition:border-color .18s ease, box-shadow .18s ease;
}
details:hover{border-color:#bcd2e4}
details[open]{border-color:var(--green);box-shadow:0 6px 18px rgba(10,46,82,.08)}
summary{
  font-weight:700;cursor:pointer;color:var(--navy-dark);list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:10px;
}
summary::-webkit-details-marker{display:none}
summary::after{
  content:"▾";color:var(--green-dark);font-size:1.15rem;line-height:1;flex:none;
  transition:transform .25s ease;
}
details[open] summary::after{transform:rotate(180deg)}
details[open] > p,details[open] > ul,details[open] > ol{animation:faqIn .3s ease}
details p{margin:8px 0 2px;color:#33434f}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:22px;transform:translate(-50%,16px);
  background:var(--navy-dark);color:#fff;padding:11px 20px;border-radius:10px;
  font-weight:600;font-size:.92rem;box-shadow:0 12px 32px rgba(6,34,61,.38);
  opacity:0;pointer-events:none;z-index:200;max-width:92vw;text-align:center;
  transition:opacity .25s ease,transform .25s ease;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- Motion ---------- */
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes faqIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .tool-card:hover,.btn:hover{transform:none}
}
ol.steps li,ul.plain li{margin:5px 0}
.site-foot{background:var(--navy-dark);color:#c9dae9;margin-top:36px}
.site-foot .inner{max-width:1100px;margin:0 auto;padding:24px 16px;font-size:.9rem}
.site-foot a{color:#9fd8bf}
.site-foot nav{display:flex;flex-wrap:wrap;gap:6px 16px;margin-bottom:10px}
.site-foot nav a{color:#d7e5f2;text-decoration:none;font-weight:600}
.site-foot nav a:hover{color:#fff}
.disclaimer{font-size:.8rem;color:#8fa9bf}

/* ---------- Print: only the document ---------- */
@page{size:A4;margin:11mm}
@media print{
  body{background:#fff}
  .site-head,.editor-panel,.actions,.info,.site-foot,.hub-only,.no-print,.toast{display:none !important}
  .wrap{padding:0;max-width:none}
  .gen-grid{display:block}
  .doc-panel{position:static}
  .doc{border:0;box-shadow:none;border-radius:0;padding:6px 2px;font-size:.9rem}
  .doc-title .t{color:#000}
  table.doc-items th{background:#0a2e52 !important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .paid-stamp{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .doc-watermark span{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}