:root{
  --magenta:#C2186B;
  --magenta-dark:#9c1357;
  --magenta-soft:#fdf2f8;
  --magenta-soft2:#fce4ef;
  --pink:#fbcfe2;
  --violet:#7c3aed;
  --ink:#1a1020;
  --slate:#4a3b50;
  --muted:#76707a;
  --line:#ece6ee;
  --line-2:#e0d8e3;
  --bg:#fafafa;
  --card:#ffffff;
  --green:#10b981;
  --green-soft:#d1fae5;
  --amber:#f59e0b;
  --amber-soft:#fef3c7;
  --red:#ef4444;
  --red-soft:#fee2e2;
  --blue:#3b82f6;
  --blue-soft:#dbeafe;
  --radius:10px;
  --shadow:0 1px 2px rgba(20,16,32,.04),0 6px 24px rgba(20,16,32,.06);
  --font:'Inter','Helvetica Neue',Arial,system-ui,sans-serif;
  --mono:'JetBrains Mono','SF Mono',Menlo,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--magenta);text-decoration:none}
a:hover{text-decoration:underline}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}

/* Layout */
.app{display:grid;grid-template-columns:240px 1fr;min-height:100vh}
.sidebar{background:#fff;border-right:1px solid var(--line);padding:16px 12px;position:sticky;top:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column;gap:10px}
.brand{display:flex;align-items:center;gap:8px;padding:6px 8px 14px;border-bottom:1px solid var(--line);margin-bottom:6px}
.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--magenta);color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px}
.brand-name{font-weight:800;font-size:16px;letter-spacing:-.01em}
.brand-name small{display:block;font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.04em}

.client-switcher{background:var(--magenta-soft);border:1px solid var(--line-2);border-radius:10px;padding:8px;cursor:pointer;position:relative}
.client-switcher .cs-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:2px}
.client-switcher .cs-current{display:flex;justify-content:space-between;align-items:center;font-weight:600;color:var(--ink)}
.client-switcher .cs-current .chev{color:var(--muted);font-size:10px}
.client-menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);margin-top:4px;padding:6px;z-index:30}
.client-switcher.open .client-menu{display:block}
.client-menu a{display:block;padding:8px 10px;border-radius:6px;color:var(--ink);font-size:13px}
.client-menu a:hover{background:var(--magenta-soft);text-decoration:none}
.client-menu a.active{background:var(--magenta);color:#fff}
.client-menu .divider{border-top:1px solid var(--line);margin:6px 0}

.nav-section{margin-top:6px}
.nav-section h5{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin:8px 8px 4px}
.nav-link{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;color:var(--slate);font-weight:500;font-size:13.5px}
.nav-link:hover{background:var(--magenta-soft);color:var(--ink);text-decoration:none}
.nav-link.active{background:var(--magenta);color:#fff}
.nav-link.active .nav-count{background:rgba(255,255,255,.2);color:#fff}
.nav-icon{width:18px;text-align:center;opacity:.85}
.nav-count{margin-left:auto;background:var(--line);color:var(--slate);font-size:11px;padding:1px 7px;border-radius:99px;font-weight:700}

.main{display:flex;flex-direction:column;min-width:0}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:10px 24px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:20}
.search{flex:1;max-width:520px;position:relative}
.search input{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 12px 8px 34px;outline:none}
.search input:focus{border-color:var(--magenta)}
.search::before{content:"⌕";position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:16px}
.topbar-spacer{flex:1}
.lang-toggle{display:inline-flex;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:3px;gap:2px}
.lang-toggle button{padding:4px 10px;border:0;background:none;border-radius:6px;font-weight:600;font-size:12px;color:var(--muted)}
.lang-toggle button.active{background:#fff;color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.06)}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--magenta);color:#fff;font-weight:700;display:grid;place-items:center;font-size:12px}

.content{padding:24px;flex:1}
.page-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:20px;gap:16px;flex-wrap:wrap}
.page-header h1{margin:0;font-size:24px;letter-spacing:-.01em}
.page-header .sub{color:var(--muted);font-size:13.5px;margin-top:2px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid transparent;border-radius:8px;padding:8px 14px;font-weight:600;font-size:13.5px;text-decoration:none;line-height:1;transition:.15s ease;background:#fff;color:var(--ink);border-color:var(--line-2)}
.btn:hover{background:var(--bg);text-decoration:none}
.btn-primary{background:var(--magenta);color:#fff;border-color:var(--magenta)}
.btn-primary:hover{background:var(--magenta-dark);border-color:var(--magenta-dark);color:#fff}
.btn-ghost{background:none;border-color:transparent;color:var(--slate)}
.btn-ghost:hover{background:var(--magenta-soft);color:var(--ink)}
.btn-sm{padding:5px 10px;font-size:12.5px;border-radius:6px}
.btn-lg{padding:11px 18px;font-size:15px;border-radius:10px}
.btn-block{display:flex;width:100%;justify-content:center}
.btn-danger{background:#fff;color:var(--red);border-color:var(--red-soft)}
.btn-danger:hover{background:var(--red-soft)}

/* Cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.card+.card{margin-top:16px}
.card h3{margin:0 0 6px;font-size:16px}
.card .sub{color:var(--muted);font-size:13px;margin-bottom:14px}

.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media (max-width:900px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}

/* Stats */
.stat{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px}
.stat .label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.stat .value{font-size:26px;font-weight:800;margin-top:4px;letter-spacing:-.02em}
.stat .delta{font-size:12px;color:var(--green);margin-top:2px}
.stat .delta.down{color:var(--red)}

/* Tables */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.table-header{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);background:#fff}
.table-header .tabs{display:flex;gap:4px}
.table-header .tab{padding:6px 12px;border-radius:6px;font-weight:600;font-size:13px;color:var(--muted);cursor:pointer;border:0;background:none}
.table-header .tab.active{background:var(--magenta-soft);color:var(--magenta)}
.bulk-bar{padding:10px 16px;background:var(--magenta-soft);border-bottom:1px solid var(--line-2);display:none;align-items:center;gap:10px}
.bulk-bar.visible{display:flex}
.bulk-bar .count{font-weight:700;color:var(--magenta)}
table{width:100%;border-collapse:collapse}
th{text-align:left;background:#fafafa;padding:10px 16px;font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-weight:700;border-bottom:1px solid var(--line);position:sticky;top:0}
td{padding:12px 16px;border-bottom:1px solid var(--line);font-size:13.5px;vertical-align:middle}
tr:last-child td{border-bottom:0}
tr.clickable{cursor:pointer}
tr.clickable:hover{background:var(--magenta-soft)}
tr.selected{background:var(--magenta-soft)}
td .doc-icon{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:8px;background:var(--magenta-soft);color:var(--magenta);font-weight:700;font-size:11px;margin-right:10px;vertical-align:middle}
td .doc-icon.xml{background:var(--blue-soft);color:var(--blue)}
td .doc-icon.pdf{background:var(--red-soft);color:var(--red)}
td .doc-icon.rcpt{background:var(--amber-soft);color:var(--amber)}

/* Chips/Badges */
.chip{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:99px;font-size:11.5px;font-weight:600;background:var(--line);color:var(--slate)}
.chip-success{background:var(--green-soft);color:#065f46}
.chip-warn{background:var(--amber-soft);color:#92400e}
.chip-danger{background:var(--red-soft);color:#991b1b}
.chip-info{background:var(--blue-soft);color:#1e40af}
.chip-magenta{background:var(--magenta-soft2);color:var(--magenta)}
.chip-dot::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.7}

.amount{font-variant-numeric:tabular-nums;font-weight:600}
.amount.vnd::after{content:" ₫";color:var(--muted);font-weight:500;margin-left:2px}
.mst{font-family:var(--mono);font-size:12px;color:var(--slate)}

/* Forms */
.form-row{display:grid;gap:6px;margin-bottom:14px}
.form-row label{font-size:13px;font-weight:600;color:var(--slate)}
.form-row input[type=text],.form-row input[type=email],.form-row select,.form-row textarea{padding:9px 12px;border:1px solid var(--line-2);border-radius:8px;background:#fff;outline:none}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{border-color:var(--magenta)}
.form-row .hint{font-size:12px;color:var(--muted)}

/* Modal */
.modal-backdrop{position:fixed;inset:0;background:rgba(20,16,32,.4);display:none;align-items:center;justify-content:center;z-index:100;padding:24px}
.modal-backdrop.open{display:flex}
.modal{background:#fff;border-radius:14px;width:100%;max-width:520px;box-shadow:0 30px 80px rgba(20,16,32,.25);overflow:hidden}
.modal-header{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.modal-header h3{margin:0;font-size:17px}
.modal-body{padding:22px}
.modal-footer{padding:14px 22px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px;background:#fafafa}
.modal .close{background:none;border:0;font-size:20px;color:var(--muted);cursor:pointer}

/* Toast */
.toast-stack{position:fixed;bottom:24px;right:24px;z-index:200;display:flex;flex-direction:column;gap:8px}
.toast{background:#1a1020;color:#fff;padding:12px 16px;border-radius:10px;box-shadow:0 12px 32px rgba(0,0,0,.3);font-size:13.5px;display:flex;gap:10px;align-items:center;max-width:380px;animation:toast-in .2s ease}
.toast.success{background:#065f46}
.toast .toast-icon{font-size:16px}
@keyframes toast-in{from{transform:translateY(8px);opacity:0}to{transform:translateY(0);opacity:1}}

/* Doc review split */
.doc-review{display:grid;grid-template-columns:1.1fr 1fr;gap:16px;min-height:600px}
@media (max-width:1100px){.doc-review{grid-template-columns:1fr}}
.doc-source{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}
.doc-source-header{padding:10px 14px;border-bottom:1px solid var(--line);background:#fafafa;display:flex;justify-content:space-between;align-items:center}
.doc-source-header .tabs{display:flex;gap:4px}
.doc-source-header .tab{padding:5px 10px;border-radius:6px;font-size:12.5px;font-weight:600;color:var(--muted);background:none;border:0;cursor:pointer}
.doc-source-header .tab.active{background:#fff;color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.06)}
.doc-source-body{flex:1;padding:18px;overflow:auto;background:#fff}
.doc-source-body pre{margin:0;font-family:var(--mono);font-size:12px;color:var(--slate);white-space:pre-wrap;word-break:break-word}
.doc-source-body .receipt-img{background:linear-gradient(135deg,#fff7ed 0%,#fff 100%);border:1px dashed var(--line-2);border-radius:8px;padding:18px;display:flex;justify-content:center;align-items:center;min-height:400px;position:relative}
.receipt-mock{font-family:var(--mono);font-size:12.5px;line-height:1.8;color:#2a2026;background:#fff;padding:24px;border-radius:6px;box-shadow:0 8px 24px rgba(0,0,0,.08);width:100%;max-width:280px}
.receipt-mock .r-title{text-align:center;font-weight:800;font-size:14px;margin-bottom:6px}
.receipt-mock .r-sub{text-align:center;color:#7a6770;font-size:11px;margin-bottom:14px}
.receipt-mock .r-line{display:flex;justify-content:space-between;border-bottom:1px dotted #e0d8e3;padding:3px 0}
.receipt-mock .r-total{display:flex;justify-content:space-between;font-weight:800;padding-top:8px;margin-top:8px;border-top:2px solid #1a1020}
.conf-overlay{position:absolute;border:2px solid var(--green);border-radius:4px;background:rgba(16,185,129,.08)}
.conf-overlay.low{border-color:var(--amber);background:rgba(245,158,11,.1)}

.doc-fields{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:14px}
.field-row{display:grid;grid-template-columns:1fr 1.4fr auto;gap:10px;align-items:center;padding:8px 0;border-bottom:1px solid var(--line)}
.field-row:last-of-type{border-bottom:0}
.field-row .field-label{color:var(--muted);font-size:12.5px}
.field-row .field-value{font-weight:600}
.field-row .conf{font-size:11px;color:var(--green);font-weight:700}
.field-row .conf.low{color:var(--amber)}
.line-items{margin-top:8px}
.line-items table th{font-size:10.5px}
.line-items td{padding:8px 12px;font-size:12.5px}

/* Onboarding stepper */
.stepper{display:flex;align-items:center;gap:8px;margin-bottom:24px}
.stepper .step{display:flex;align-items:center;gap:6px;padding:6px 10px;border-radius:99px;color:var(--muted);font-size:12.5px;font-weight:600;background:#fff;border:1px solid var(--line)}
.stepper .step.active{background:var(--magenta);color:#fff;border-color:var(--magenta)}
.stepper .step.done{background:var(--green-soft);color:#065f46;border-color:var(--green-soft)}
.stepper .step-n{width:18px;height:18px;border-radius:50%;background:rgba(0,0,0,.08);display:grid;place-items:center;font-size:10.5px;font-weight:800}
.stepper .step.active .step-n{background:rgba(255,255,255,.25)}
.stepper .step.done .step-n{background:#065f46;color:#fff}
.stepper .sep{flex:1;height:1px;background:var(--line)}

/* Pricing */
.price-toggle{display:inline-flex;background:#fff;border:1px solid var(--line);border-radius:99px;padding:4px;margin:0 auto 24px;gap:2px}
.price-toggle button{padding:8px 18px;border-radius:99px;border:0;background:none;font-weight:600;color:var(--muted);font-size:13px}
.price-toggle button.active{background:var(--magenta);color:#fff}
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:20px}
@media (max-width:1000px){.plans{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.plans{grid-template-columns:1fr}}
.plan{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;display:flex;flex-direction:column;gap:12px;position:relative}
.plan.featured{border-color:var(--magenta);box-shadow:0 14px 40px rgba(194,24,107,.12)}
.plan .pbadge{position:absolute;top:-10px;left:24px;background:var(--magenta);color:#fff;font-size:11px;font-weight:700;padding:3px 10px;border-radius:99px;text-transform:uppercase;letter-spacing:.05em}
.plan h3{margin:0;font-size:18px}
.plan .price{font-size:30px;font-weight:800;letter-spacing:-.02em}
.plan .price small{font-size:13px;color:var(--muted);font-weight:500}
.plan .features{list-style:none;padding:0;margin:6px 0 12px;display:grid;gap:6px;font-size:13px;color:var(--slate)}
.plan .features li::before{content:"✓";color:var(--green);font-weight:800;margin-right:6px}

/* Inline demo ribbon */
.demo-ribbon{position:fixed;bottom:14px;left:14px;background:#1a1020;color:#fff;padding:7px 14px;border-radius:99px;font-size:11.5px;font-weight:600;z-index:50;display:flex;gap:8px;align-items:center;box-shadow:0 8px 24px rgba(0,0,0,.2)}
.demo-ribbon a{color:#fbcfe2}
.demo-ribbon::before{content:"●";color:var(--magenta);animation:pulse 1.8s ease infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}

/* Hero/landing for app index */
.app-landing{padding:48px 24px;max-width:920px;margin:0 auto}
.app-landing .eyebrow{background:var(--magenta-soft);color:var(--magenta);display:inline-block;padding:5px 12px;border-radius:99px;font-size:12px;font-weight:700;letter-spacing:.04em;margin-bottom:14px}
.app-landing h1{font-size:38px;letter-spacing:-.02em;margin:0 0 12px;font-weight:800}
.app-landing .lede{font-size:17px;color:var(--slate);max-width:640px;margin:0 0 28px}
.flow-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}
@media (max-width:800px){.flow-cards{grid-template-columns:1fr}}
.flow-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;text-decoration:none;color:inherit;transition:.15s ease}
.flow-card:hover{border-color:var(--magenta);transform:translateY(-2px);box-shadow:var(--shadow);text-decoration:none}
.flow-card .num{font-family:var(--mono);font-size:12px;color:var(--magenta);font-weight:700;letter-spacing:.05em}
.flow-card h3{margin:6px 0 4px;font-size:17px}
.flow-card p{margin:0;color:var(--muted);font-size:13.5px}

/* Spinner */
.spinner{display:inline-block;width:14px;height:14px;border:2px solid var(--magenta-soft2);border-top-color:var(--magenta);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Connections / integration cards */
.integration{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;display:flex;justify-content:space-between;align-items:center;gap:14px}
.integration .logo-square{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:14px;color:#fff}
.integration .logo-misa{background:#e11d48}
.integration .logo-xero{background:#13b5ea}
.integration .logo-vtb{background:#005cab}
.integration .logo-bidv{background:#0a6e3d}
.integration .logo-vcb{background:#007f3e}
.integration .meta{flex:1;min-width:0}
.integration .meta h4{margin:0;font-size:14.5px}
.integration .meta p{margin:2px 0 0;color:var(--muted);font-size:12.5px}

/* Misc helpers */
.flex{display:flex;gap:12px;align-items:center}
.flex-between{display:flex;justify-content:space-between;align-items:center}
.muted{color:var(--muted)}
.text-center{text-align:center}
.mt-8{margin-top:8px}
.mt-16{margin-top:16px}
.mt-24{margin-top:24px}
.mb-8{margin-bottom:8px}
.mb-16{margin-bottom:16px}
.mono{font-family:var(--mono)}
.hidden{display:none !important}

@media (max-width:760px){
  .app{grid-template-columns:1fr}
  .sidebar{position:fixed;left:-100%;width:240px;z-index:60;transition:left .2s}
  .sidebar.open{left:0}
}