:root{
  --bg:#f3f6fb;
  --bg-accent:#eef4ff;
  --card:#ffffff;
  --text:#122033;
  --muted:#667085;
  --line:#e5e7eb;
  --line-strong:#d0d5dd;
  --accent:#2447f9;
  --accent-2:#5b7cff;
  --accent-soft:#e9efff;
  --danger:#b42318;
  --danger-soft:#fef3f2;
  --success:#067647;
  --success-soft:#ecfdf3;
  --warning:#b54708;
  --warning-soft:#fffaeb;
  --shadow-sm:0 1px 2px rgba(16,24,40,.05);
  --shadow-md:0 12px 32px rgba(16,24,40,.08);
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:linear-gradient(180deg,var(--bg-accent) 0, var(--bg) 180px, var(--bg) 100%);color:var(--text);line-height:1.45}
a{color:inherit}
img{max-width:100%}
button,input,select,textarea{font:inherit}

.topbar{position:sticky;top:0;z-index:30;padding:16px 20px;background:rgba(255,255,255,.86);backdrop-filter:blur(16px);border-bottom:1px solid rgba(208,213,221,.75)}
.topbar-inner{max-width:1360px;margin:0 auto;display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center}
.brand-wrap{display:flex;flex-direction:column;gap:2px;min-width:180px}
.brand{font-size:1.15rem;font-weight:800;text-decoration:none;letter-spacing:-.02em}
.brand-tagline{font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.nav{display:flex;gap:7px;align-items:center;flex-wrap:wrap;min-width:0}
.nav a,.nav button{border:0;background:transparent;padding:9px 12px;border-radius:999px;text-decoration:none;color:#344054;cursor:pointer;font-weight:600;white-space:nowrap}
.nav a.active,.nav a:hover,.nav button:hover{background:var(--accent-soft);color:#1734b8}
.topbar-actions{display:flex;align-items:center;gap:12px}
.user-pill{display:flex;flex-direction:column;gap:2px;padding:10px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;box-shadow:var(--shadow-sm)}
.user-pill-name{font-weight:700;font-size:.92rem;white-space:nowrap;max-width:210px;overflow:hidden;text-overflow:ellipsis}
.user-pill-role{font-size:.74rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}

.container{max-width:1360px;margin:0 auto;padding:32px 22px 40px}
.page-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:24px}
.page-head h1{margin:0;font-size:2rem;line-height:1.1;letter-spacing:-.03em}
.page-head p{margin:.35rem 0 0}
.hero{padding:86px 22px 72px;text-align:center;max-width:920px;margin:auto}
.hero h1{font-size:clamp(2.5rem,4vw,4rem);line-height:1.05;margin:0 0 18px;letter-spacing:-.04em}
.hero p{font-size:1.125rem;color:var(--muted);max-width:700px;margin:0 auto 26px}
.grid{display:grid;gap:18px}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.split{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(320px,.95fr);gap:20px;align-items:start}
.card{background:var(--card);border:1px solid rgba(229,231,235,.95);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-sm)}
.card h2,.card h3{margin:0 0 12px;letter-spacing:-.02em}
.card h3{font-size:1.05rem}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
.section-head p{margin:4px 0 0}
.stat-label{color:var(--muted);font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.stat-value{font-size:2rem;font-weight:800;letter-spacing:-.03em;margin-top:10px}
.kpi-link{text-decoration:none;transition:transform .15s ease, box-shadow .15s ease}
.kpi-link:hover{transform:translateY(-2px)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line-strong);background:#fff;color:#101828;padding:10px 14px;border-radius:12px;text-decoration:none;font-weight:700;cursor:pointer;box-shadow:var(--shadow-sm);transition:all .15s ease}
.btn:hover{transform:translateY(-1px);background:#f9fafb}
.btn-primary{background:linear-gradient(135deg,var(--accent) 0%, var(--accent-2) 100%);border-color:transparent;color:#fff}
.btn-primary:hover{background:linear-gradient(135deg,#1d39d7 0%, #4d6eff 100%)}
.btn-danger{background:var(--danger-soft);border-color:#fecdca;color:var(--danger)}
.btn-small{padding:7px 10px;font-size:13px}
.btn-ghost{background:#fff}
.actions{display:flex;gap:9px;flex-wrap:wrap}
.action-cluster{display:flex;gap:8px;flex-wrap:wrap}

.flash{padding:13px 16px;border-radius:14px;margin-bottom:18px;border:1px solid transparent;box-shadow:var(--shadow-sm)}
.flash-success{background:var(--success-soft);color:var(--success);border-color:#abefc6}
.flash-error{background:var(--danger-soft);color:var(--danger);border-color:#fecdca}

.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow-sm)}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);background:#fafbfc;font-weight:800}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fafcff}

.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:700;background:#eef2f6;color:#344054}
.badge-paid,.badge-accepted,.badge-authorized{background:#ecfdf3;color:#067647}
.badge-void,.badge-rejected,.badge-expired,.badge-failed{background:#fef3f2;color:#b42318}
.badge-overdue,.badge-partial{background:#fffaeb;color:#b54708}
.badge-viewed,.badge-processing{background:#eff8ff;color:#175cd3}
.badge-sent,.badge-converted{background:#f4f3ff;color:#5925dc}
.badge-disabled{background:#eef2f6;color:#475467}

.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
label{font-size:13px;font-weight:700;color:#344054}
input,select,textarea{width:100%;border:1px solid #d0d5dd;border-radius:12px;padding:11px 12px;font:inherit;background:#fff;color:#101828;transition:border-color .15s ease, box-shadow .15s ease}
textarea{min-height:96px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:0;border-color:#9db3ff;box-shadow:0 0 0 4px rgba(36,71,249,.12)}
.muted{color:var(--muted)}
.small{font-size:13px}
.inline{display:inline}
.nowrap{white-space:nowrap}
.empty{text-align:center;padding:48px 26px;color:var(--muted)}
details summary{cursor:pointer;font-weight:700}
code{overflow-wrap:anywhere}
.auto-width,.checkbox-field input{width:auto}
.checkbox-field{align-items:flex-start}
.danger-zone{border-color:#fecdca}
.void-banner{background:var(--danger-soft);color:var(--danger);border:1px solid #f97066;padding:16px;border-radius:14px;font-weight:800;text-align:center;margin-bottom:20px}
.paid-banner{margin-top:20px;padding:16px;border-radius:14px;background:var(--success-soft);color:var(--success);font-size:20px;font-weight:800;text-align:center}
.logo{max-height:72px;max-width:220px;object-fit:contain}

.invoice-shell{display:grid;gap:20px}
.invoice-sheet{background:#fff;border:1px solid var(--line);border-radius:24px;padding:34px 34px 28px;box-shadow:var(--shadow-md);position:relative;overflow:hidden}
.invoice-sheet::before{content:"";position:absolute;inset:0 0 auto 0;height:7px;background:linear-gradient(90deg,var(--accent) 0%, #69a2ff 55%, #b2c8ff 100%)}
.invoice-top{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:start;margin-bottom:18px}
.invoice-company{text-align:right}
.invoice-company h2,.invoice-head-main h1,.invoice-head-main h2{margin:0;letter-spacing:-.03em}
.invoice-head-main h1,.invoice-head-main h2{font-size:2rem}
.document-status{margin-top:12px}
.doc-meta-card{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;padding:16px 18px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,#ffffff 0%, #f8faff 100%);margin-top:18px}
.doc-meta-card .meta-item span{display:block;font-size:.76rem;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:700}
.doc-meta-card .meta-item strong{display:block;margin-top:4px;font-size:1rem}
.party-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;margin:22px 0}
.party-card{padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff}
.party-card h3{margin:0 0 10px;font-size:.92rem;text-transform:uppercase;letter-spacing:.08em;color:#4a5b7a}
.custom-fields-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:6px}
.info-chip{padding:12px 14px;border:1px solid var(--line);border-radius:16px;background:#fafcff}
.info-chip strong{display:block;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:#516178;margin-bottom:6px}
.info-chip span{display:block;font-weight:600}
.line-row{display:grid;grid-template-columns:1.1fr 2.2fr .55fr .85fr .5fr auto;gap:10px;align-items:end;margin-bottom:10px}
.totals{max-width:390px;margin:22px 0 22px auto;padding:18px 18px 14px;border:1px solid var(--line);border-radius:18px;background:#fafcff}
.totals p,.totals .invoice-total{display:flex;justify-content:space-between;gap:20px}
.totals p{margin:0 0 12px}
.totals hr{border:0;border-top:1px solid var(--line);margin:12px 0}
.invoice-total{font-size:1.45rem;font-weight:800;letter-spacing:-.03em}
.invoice-total span{white-space:nowrap}
.notes-terms{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:20px}
.note-panel{padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff}
.note-panel h3{margin:0 0 10px;font-size:.95rem;text-transform:uppercase;letter-spacing:.06em;color:#445469}
.note-panel p{margin:0;white-space:pre-wrap}
.attachment-list{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:10px}
.attachment-list li{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fafcff}
.attachment-list a{text-decoration:none;font-weight:700;color:#1734b8}
.tracking-input{margin-top:10px}
.qr-block{text-align:center;display:grid;gap:10px;justify-items:center}
.summary-list{display:grid;gap:12px}
.summary-item{display:flex;justify-content:space-between;gap:16px;padding:10px 0;border-bottom:1px solid var(--line)}
.summary-item:last-child{border-bottom:0}
.invoice-action-card .field{margin-bottom:10px}
.invoice-toolbar,.public-toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:16px}
.invoice-toolbar{padding:18px 20px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.82);backdrop-filter:blur(10px);box-shadow:var(--shadow-sm)}
.public-wrap{max-width:1040px;margin:30px auto;padding:0 18px 26px}
.public-toolbar{padding:16px 18px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.9);box-shadow:var(--shadow-sm)}
.public-toolbar-title strong{display:block;font-size:1rem}
.public-toolbar-title .small{margin-top:2px}
.public-actions{display:flex;gap:8px;flex-wrap:wrap}
.auth-card{max-width:520px;margin:60px auto}
.footer{color:var(--muted);font-size:12px;text-align:center;padding:30px 14px 36px}
.payment-choice{display:flex;gap:10px;align-items:flex-start;padding:12px;border:1px solid var(--line);border-radius:14px;margin:10px 0;background:#fff}
.payment-choice input{width:auto;margin-top:3px}
.provider-note{padding:12px;border:1px solid var(--line);border-radius:14px;background:#f8fafc}
.provider-note strong,.provider-note span{display:block}.provider-note span{font-size:13px;color:var(--muted);margin-top:4px}
.optional-section{margin-top:20px}
.optional-section summary{cursor:pointer;font-size:1.05rem;margin-bottom:12px}
.inline-action{display:flex;gap:8px;align-items:center}.inline-action input{flex:1}
[hidden]{display:none!important}
.provider-fields{display:contents}

@media(max-width:1100px){
  .topbar-inner{grid-template-columns:1fr;gap:12px}
  .topbar-actions{justify-content:space-between}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr}
}
@media(max-width:900px){
  .grid-2,.form-grid,.notes-terms,.party-grid,.custom-fields-grid{grid-template-columns:1fr}
  .invoice-top{grid-template-columns:1fr}
  .invoice-company{text-align:left}
  .doc-meta-card{grid-template-columns:1fr 1fr}
}
@media(max-width:700px){
  .nav{overflow:auto;width:100%;flex-wrap:nowrap;padding-bottom:4px}
  .container{padding:22px 14px 34px}
  .page-head{flex-direction:column}
  .grid-4,.grid-2,.split,.form-grid,.notes-terms,.party-grid,.doc-meta-card{grid-template-columns:1fr}
  .invoice-sheet{padding:24px 18px}
  .public-wrap{padding:0 12px 20px}
  .public-toolbar,.invoice-toolbar,.topbar-actions{align-items:flex-start;flex-direction:column}
  .hero{padding:64px 18px 56px}
  .hero h1{font-size:2.2rem}
  .line-row{grid-template-columns:1fr}
  .field.full{grid-column:auto}
  .inline-action{align-items:stretch;flex-direction:column}
  .user-pill{width:100%}
}

@media print{
  @page{margin:14mm}
  body{background:#fff;color:#111827}
  .topbar,.footer,.no-print,.invoice-toolbar,.public-toolbar{display:none!important}
  .container,.public-wrap{max-width:none;padding:0;margin:0}
  .split,.invoice-shell,.notes-terms,.party-grid,.custom-fields-grid{display:block}
  .invoice-sheet{border:0;box-shadow:none;border-radius:0;padding:0}
  .invoice-sheet::before{display:none}
  .card{border:0;box-shadow:none;padding:0;background:transparent}
  .table-wrap{border:1px solid #d1d5db;border-radius:10px;overflow:visible;box-shadow:none}
  table{min-width:0}
  th,td{padding:10px 12px}
  a{text-decoration:none;color:inherit}
  .attachment-list li,.party-card,.info-chip,.totals,.note-panel,.doc-meta-card{box-shadow:none;background:#fff}
}