:root {
    --navy-950: #37000d;
    --navy-900: #7a0019;
    --navy-800: #570013;
    --blue-700: #680016;
    --blue-600: #7a0019;
    --cyan-100: #fff4d2;
    --green-700: #166534;
    --green-100: #e4f5e9;
    --amber-700: #765600;
    --amber-100: #fff1b8;
    --red-700: #a51b26;
    --red-100: #fde8e8;
    --slate-900: #171717;
    --slate-700: #3b3b3b;
    --slate-500: #626262;
    --slate-300: #c7c2c0;
    --slate-200: #e6e0dd;
    --slate-100: #f4f0ed;
    --canvas: #faf8f6;
    --white: #fff;
    --shadow: 0 12px 35px rgba(65, 10, 21, .08);
    --radius: 16px;
}

* { box-sizing: border-box; }
html { color-scheme: light; }
body {
    margin: 0;
    color: var(--slate-900);
    background: var(--canvas);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 14px;
    line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.app-shell { min-height: 100vh; }
.sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 30;
    display: flex;
    width: 254px;
    flex-direction: column;
    padding: 24px 18px;
    color: #fff9f4;
    background: linear-gradient(180deg, #38000d 0%, #650016 58%, #7a0019 100%);
}
.brand { display: flex; align-items: center; gap: 12px; padding: 0 8px 30px; }
.brand-mark {
    display: grid;
    width: 43px;
    height: 43px;
    place-items: center;
    border: 1px solid rgba(255,255,255,.24);
    border-radius: 13px;
    color: #fff;
    background: rgba(255,255,255,.1);
    font-weight: 800;
    letter-spacing: -.04em;
}
.brand-logo { display: block; width: 52px; height: 52px; flex: none; padding: 3px; border-radius: 10px; background: #fff; object-fit: contain; }
.brand strong, .brand span, .user-chip strong, .user-chip span { display: block; }
.brand strong { color: #fff; font-size: 15px; letter-spacing: -.01em; }
.brand span { color: #f3d9d1; font-size: 11px; }
.main-nav { display: grid; gap: 5px; }
.main-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 44px;
    padding: 0 13px;
    border-radius: 11px;
    color: #f4ded9;
    font-weight: 650;
    transition: .18s ease;
}
.main-nav a:hover { color: #fff; background: rgba(255,255,255,.07); }
.main-nav a.is-active { color: #fff; background: linear-gradient(90deg, rgba(255,213,58,.25), rgba(255,213,58,.08)); box-shadow: inset 3px 0 #ffd43b; }
.nav-icon { width: 20px; text-align: center; font-size: 19px; }
.sidebar-foot { margin-top: auto; padding: 18px 6px 0; border-top: 1px solid rgba(255,255,255,.1); }
.user-chip { display: flex; align-items: center; gap: 10px; padding-bottom: 14px; }
.avatar { display: grid; width: 35px; height: 35px; place-items: center; border-radius: 50%; color: #32100f; background: #ffe476; font-weight: 800; }
.user-chip strong { color: #fff; font-size: 13px; }
.user-chip span { color: #f3d9d1; font-size: 11px; text-transform: capitalize; }
.sidebar-link { display: block; width: 100%; padding: 7px 0; border: 0; color: #f3d9d1; background: none; text-align: left; font-size: 12px; }
.sidebar-link:hover { color: #fff; }
.button-link { margin: 0; }

.main-wrap { min-height: 100vh; margin-left: 254px; }
.topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    display: flex;
    min-height: 77px;
    align-items: center;
    gap: 14px;
    padding: 12px clamp(20px, 3vw, 42px);
    border-bottom: 1px solid var(--slate-200);
    background: rgba(255,255,255,.94);
    backdrop-filter: blur(12px);
}
.topbar > div { display: grid; }
.topbar strong { color: var(--navy-900); font-size: 18px; letter-spacing: -.02em; }
.eyebrow { color: var(--slate-500); font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.topbar-action { margin-left: auto; }
.menu-toggle { display: none; padding: 6px 9px; border: 0; border-radius: 9px; background: var(--slate-100); font-size: 20px; }
.content { width: min(1500px, 100%); min-height: calc(100vh - 127px); margin: 0 auto; padding: 28px clamp(18px, 3vw, 42px) 48px; }
.footer { display: flex; justify-content: space-between; gap: 15px; padding: 16px clamp(18px,3vw,42px); border-top: 1px solid var(--slate-200); color: var(--slate-500); font-size: 11px; }

.page-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.page-heading h1 { margin: 0; color: var(--navy-900); font-size: clamp(24px, 3vw, 32px); line-height: 1.18; letter-spacing: -.035em; }
.page-heading p { max-width: 680px; margin: 7px 0 0; color: var(--slate-500); }
.page-actions { display: flex; flex-wrap: wrap; gap: 9px; }
.report-heading .page-actions { flex: 0 0 auto; }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin: 4px 0 13px; }
.section-heading h2, .panel-title { margin: 0; color: var(--navy-900); font-size: 16px; letter-spacing: -.015em; }
.section-heading p { margin: 3px 0 0; color: var(--slate-500); font-size: 12px; }
.link { color: var(--blue-600); font-weight: 700; }
.link:hover { text-decoration: underline; }

.btn {
    display: inline-flex;
    min-height: 40px;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 8px 15px;
    border: 1px solid transparent;
    border-radius: 10px;
    font-weight: 750;
    white-space: nowrap;
    transition: .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { color: #fff; background: var(--blue-600); box-shadow: 0 7px 18px rgba(122,0,25,.2); }
.btn-primary:hover { background: #570013; }
.btn-secondary { border-color: var(--slate-300); color: var(--navy-900); background: #fff; }
.btn-danger { color: var(--red-700); background: var(--red-100); }
.btn-sm { min-height: 33px; padding: 6px 10px; border-radius: 8px; font-size: 12px; }

.kpi-grid { display: grid; grid-template-columns: repeat(5, minmax(155px, 1fr)); gap: 13px; margin-bottom: 26px; }
.kpi-card { position: relative; overflow: hidden; padding: 18px; border: 1px solid var(--slate-200); border-radius: var(--radius); background: #fff; box-shadow: 0 4px 18px rgba(25,48,77,.04); }
.kpi-card::after { position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--accent, var(--blue-600)); content: ""; }
.kpi-card.red { --accent: #b42332; }
.kpi-card.yellow { --accent: #e4ad00; }
.kpi-card.green { --accent: #168044; }
.kpi-card.blue { --accent: #7a0019; }
.kpi-card.grey { --accent: #252525; }
.kpi-label { display: flex; align-items: center; justify-content: space-between; color: var(--slate-500); font-size: 11px; font-weight: 800; letter-spacing: .045em; text-transform: uppercase; }
.kpi-value { display: block; margin-top: 11px; color: var(--navy-900); font-size: clamp(21px,2vw,27px); font-weight: 820; letter-spacing: -.04em; line-height: 1.1; }
.kpi-note { display: block; margin-top: 7px; color: var(--slate-500); font-size: 11px; }
.kpi-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 5px color-mix(in srgb, var(--accent), transparent 85%); }

.dashboard-grid { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(290px, .75fr); gap: 18px; margin-bottom: 26px; }
.panel { border: 1px solid var(--slate-200); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.panel-header { display: flex; align-items: center; justify-content: space-between; gap: 15px; padding: 17px 20px; border-bottom: 1px solid var(--slate-200); }
.panel-body { padding: 20px; }
.panel-flush { overflow: hidden; }
.panel-flush .table-wrap { border: 0; border-radius: 0; box-shadow: none; }

.status-ring-wrap { display: grid; grid-template-columns: 150px 1fr; align-items: center; gap: 20px; }
.status-ring { position: relative; width: 145px; height: 145px; border-radius: 50%; background: conic-gradient(var(--red-700) 0 var(--overdue), #e4ad00 var(--overdue) var(--due), var(--green-700) var(--due) var(--not-due), #252525 var(--not-due) var(--paid), #aaa19f var(--paid) 100%); }
.status-ring::after { position: absolute; inset: 23px; display: grid; place-items: center; border-radius: 50%; color: var(--navy-900); background: #fff; content: attr(data-total) '\A invoices'; white-space: pre; text-align: center; font-weight: 800; line-height: 1.3; }
.legend { display: grid; gap: 10px; }
.legend-row { display: grid; grid-template-columns: 10px 1fr auto; align-items: center; gap: 9px; color: var(--slate-700); }
.legend-row i { width: 9px; height: 9px; border-radius: 50%; background: var(--legend-color); }
.legend-row strong { color: var(--navy-900); }

.table-wrap { overflow: auto; border: 1px solid var(--slate-200); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.data-table { width: 100%; border-collapse: collapse; white-space: nowrap; }
.data-table th { padding: 11px 14px; border-bottom: 1px solid var(--slate-200); color: var(--slate-500); background: #f8fafc; text-align: left; font-size: 10px; font-weight: 850; letter-spacing: .07em; text-transform: uppercase; }
.data-table td { padding: 13px 14px; border-bottom: 1px solid #edf1f5; color: var(--slate-700); vertical-align: middle; }
.data-table tr:last-child td { border-bottom: 0; }
.data-table tbody tr:hover { background: #f9fbfd; }
.data-table .wrap-cell { min-width: 220px; max-width: 330px; white-space: normal; }
.primary-cell strong, .supplier-cell strong { display: block; color: var(--navy-900); }
.primary-cell span, .supplier-cell span { display: block; margin-top: 2px; color: var(--slate-500); font-size: 11px; }
.amount-cell { color: var(--navy-900) !important; font-variant-numeric: tabular-nums; font-weight: 750; text-align: right; }
.numeric { font-variant-numeric: tabular-nums; }
.row-overdue { box-shadow: inset 3px 0 #b42332; }
.row-due_today, .row-due_soon { box-shadow: inset 3px 0 #e4ad00; }
.row-not_due { box-shadow: inset 3px 0 #168044; }

.badge { display: inline-flex; align-items: center; gap: 6px; padding: 5px 9px; border-radius: 999px; font-size: 11px; font-weight: 800; }
.badge::before { width: 6px; height: 6px; border-radius: 50%; background: currentColor; content: ""; }
.status-overdue { color: var(--red-700); background: var(--red-100); }
.status-due { color: var(--amber-700); background: var(--amber-100); }
.status-not-due { color: var(--green-700); background: var(--green-100); }
.status-paid { color: #252525; background: #ece9e6; }
.status-neutral { color: #555; background: #f0eeeb; }
.priority-critical { color: #fff; background: #a51b26; }
.priority-high { color: #493500; background: #ffe076; }
.priority-normal { color: #353535; background: #eeebe8; }
.small-tag { display: inline-block; margin-top: 4px; padding: 2px 6px; border-radius: 5px; color: #775308; background: #fff3cd; font-size: 10px; font-weight: 700; }

.filters { display: grid; grid-template-columns: repeat(4, minmax(150px, 1fr)); gap: 10px; align-items: end; margin-bottom: 16px; padding: 15px; border: 1px solid var(--slate-200); border-radius: 14px; background: #fff; }
.filters .search-field { grid-column: span 2; }
.filter-actions { display: flex; gap: 8px; }
.field { display: grid; gap: 6px; }
.field label { color: var(--slate-700); font-size: 11px; font-weight: 800; }
.field small { color: var(--slate-500); }
.input, .select, .textarea { width: 100%; border: 1px solid var(--slate-300); border-radius: 9px; color: var(--slate-900); background: #fff; outline: none; transition: .16s ease; }
.input, .select { height: 41px; padding: 0 11px; }
.textarea { min-height: 100px; padding: 10px 11px; resize: vertical; }
.input:focus, .select:focus, .textarea:focus { border-color: var(--blue-600); box-shadow: 0 0 0 3px rgba(122,0,25,.12); }
.is-hidden { display: none !important; }
.input-error { border-color: #d84b5c; }
.error-text { color: var(--red-700); font-size: 11px; }
.required::after { color: var(--red-700); content: ' *'; }

.form-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 18px; align-items: start; }
.form-card { padding: 22px; border: 1px solid var(--slate-200); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.form-section + .form-section { margin-top: 26px; padding-top: 23px; border-top: 1px solid var(--slate-200); }
.form-section h2 { margin: 0 0 16px; color: var(--navy-900); font-size: 15px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field-span-2 { grid-column: 1 / -1; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 24px; padding-top: 19px; border-top: 1px solid var(--slate-200); }
.helper-card { position: sticky; top: 96px; padding: 20px; border-radius: var(--radius); color: #fff; background: linear-gradient(145deg, #4c0010, #7a0019); box-shadow: var(--shadow); }
.helper-card h3 { margin: 0 0 10px; color: #fff; font-size: 15px; }
.helper-card p, .helper-card li { color: #ffe4db; font-size: 12px; }
.helper-card ul { padding-left: 18px; }
.status-key { display: grid; gap: 8px; margin-top: 18px; }
.status-key > div { display: flex; align-items: center; gap: 9px; font-size: 12px; }
.status-key i { width: 9px; height: 9px; border-radius: 50%; }

.summary-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; overflow: hidden; margin-bottom: 18px; border: 1px solid var(--slate-200); border-radius: 14px; background: var(--slate-200); }
.summary-item { padding: 16px; background: #fff; }
.summary-item span, .summary-item strong { display: block; }
.summary-item span { color: var(--slate-500); font-size: 10px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.summary-item strong { margin-top: 5px; color: var(--navy-900); font-size: 17px; }

.detail-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(300px, .65fr); gap: 18px; }
.detail-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 28px; }
.detail-item { min-width: 0; }
.detail-item.full { grid-column: 1 / -1; }
.detail-item dt { margin-bottom: 3px; color: var(--slate-500); font-size: 10px; font-weight: 850; letter-spacing: .06em; text-transform: uppercase; }
.detail-item dd { margin: 0; color: var(--navy-900); overflow-wrap: anywhere; }
.balance-block { padding: 20px; border-radius: 14px; background: #f4f8fb; }
.balance-block span, .balance-block strong { display: block; }
.balance-block span { color: var(--slate-500); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.balance-block strong { margin-top: 5px; color: var(--navy-900); font-size: 27px; letter-spacing: -.04em; }
.progress { overflow: hidden; height: 7px; margin-top: 13px; border-radius: 999px; background: #dfe7ef; }
.progress > i { display: block; height: 100%; border-radius: inherit; background: var(--blue-600); }
.timeline { display: grid; gap: 0; }
.timeline-item { position: relative; padding: 0 0 20px 24px; border-left: 1px solid var(--slate-300); }
.timeline-item::before { position: absolute; top: 2px; left: -5px; width: 9px; height: 9px; border: 2px solid #fff; border-radius: 50%; background: var(--blue-600); box-shadow: 0 0 0 1px var(--blue-600); content: ""; }
.timeline-item:last-child { border-left-color: transparent; }
.timeline-item strong { display: block; color: var(--navy-900); font-size: 12px; }
.timeline-item span { color: var(--slate-500); font-size: 11px; }

.analytics-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.bar-list { display: grid; gap: 14px; }
.bar-row { display: grid; gap: 6px; }
.bar-label { display: flex; justify-content: space-between; gap: 10px; color: var(--slate-700); font-size: 12px; }
.bar-label strong { color: var(--navy-900); }
.bar-track { overflow: hidden; height: 8px; border-radius: 999px; background: var(--slate-100); }
.bar-track i { display: block; height: 100%; border-radius: inherit; background: var(--bar-color, var(--blue-600)); }
.empty-state { padding: 45px 20px; text-align: center; }
.empty-state h3 { margin: 0 0 6px; color: var(--navy-900); }
.empty-state p { max-width: 480px; margin: 0 auto 17px; color: var(--slate-500); }

.alert { position: relative; margin-bottom: 16px; padding: 12px 42px 12px 15px; border-radius: 10px; font-weight: 650; }
.alert button { position: absolute; top: 7px; right: 9px; border: 0; color: inherit; background: none; font-size: 20px; }
.alert-success { color: var(--green-700); background: var(--green-100); }
.alert-error { color: var(--red-700); background: var(--red-100); }
.alert-warning { color: var(--amber-700); background: var(--amber-100); }
.notice { padding: 13px 15px; border-left: 3px solid #e4ad00; border-radius: 7px; color: #5b4500; background: #fff7dd; }

.login-page { min-height: 100vh; background: radial-gradient(circle at 85% 15%, rgba(255,219,80,.22), transparent 27%), linear-gradient(140deg, #32000b 0%, #650016 55%, #7a0019 100%); }
.login-shell { display: grid; min-height: 100vh; grid-template-columns: 1.1fr .9fr; }
.login-story { display: flex; max-width: 690px; flex-direction: column; justify-content: center; padding: clamp(40px,8vw,110px); color: #fff; }
.login-story .brand { padding-left: 0; }
.login-story h1 { margin: 20px 0 14px; font-size: clamp(37px,5vw,61px); line-height: 1.02; letter-spacing: -.055em; }
.login-story p { max-width: 590px; color: #ffe5dd; font-size: 16px; }
.login-points { display: grid; gap: 10px; margin-top: 27px; }
.login-points div { display: flex; align-items: center; gap: 10px; color: #fff0e9; }
.login-points i { width: 10px; height: 10px; border-radius: 50%; background: #ffe476; box-shadow: 0 0 0 5px rgba(255,228,118,.15); }
.login-panel { display: grid; place-items: center; padding: 28px; background: rgba(255,255,255,.97); }
.login-card { width: min(400px,100%); }
.login-card h2 { margin: 0; color: var(--navy-900); font-size: 27px; letter-spacing: -.035em; }
.login-card > p { margin: 7px 0 25px; color: var(--slate-500); }
.login-card .field { margin-bottom: 15px; }
.login-card .btn { width: 100%; margin-top: 8px; }
.login-footnote { margin-top: 22px; color: var(--slate-500); font-size: 11px; text-align: center; }

.settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; align-items: start; }
.settings-grid > .form-card .field + .field { margin-top: 12px; }
.settings-grid .form-grid .field + .field { margin-top: 0; }
.staff-card { border: 1px solid var(--slate-200); border-radius: 11px; }
.staff-card + .staff-card { margin-top: 10px; }
.staff-card summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px; cursor: pointer; }
.staff-card summary strong, .staff-card summary small { display: block; }
.staff-card summary small { color: var(--slate-500); }
.staff-edit { padding: 15px; border-top: 1px solid var(--slate-200); }
.checkbox-row { display: flex; align-items: center; gap: 8px; min-height: 41px; }
.checkbox-row input { accent-color: var(--blue-600); }
.audit-table .wrap-cell { max-width: 420px; }
.audit-details { margin-top: 5px; }
.audit-details summary { color: var(--blue-600); cursor: pointer; font-weight: 750; }
.audit-details pre { overflow: auto; max-width: 420px; max-height: 320px; margin: 8px 0 0; padding: 10px; border-radius: 8px; color: var(--slate-900); background: var(--slate-100); font-size: 11px; white-space: pre-wrap; overflow-wrap: anywhere; }
.pagination { display: flex; align-items: center; justify-content: center; gap: 15px; margin-top: 18px; }
.source-tabs { margin-bottom: 15px; }

@media (max-width: 1180px) {
    .report-heading { align-items: start; flex-direction: column; }
    .kpi-grid { grid-template-columns: repeat(3, 1fr); }
    .filters { grid-template-columns: repeat(3, 1fr); }
    .filters .search-field { grid-column: span 2; }
}
@media (max-width: 900px) {
    .sidebar { transform: translateX(-100%); transition: transform .2s ease; }
    body.menu-open .sidebar { transform: translateX(0); box-shadow: 12px 0 40px rgba(0,0,0,.2); }
    .main-wrap { margin-left: 0; }
    .menu-toggle { display: block; }
    .dashboard-grid, .detail-grid, .form-layout, .settings-grid { grid-template-columns: 1fr; }
    .helper-card { position: static; }
    .login-shell { grid-template-columns: 1fr; }
    .login-story { display: none; }
}
@media (max-width: 680px) {
    .content { padding-top: 20px; }
    .topbar-action span + span { display: none; }
    .page-heading { align-items: start; flex-direction: column; }
    .kpi-grid, .analytics-grid, .form-grid { grid-template-columns: 1fr; }
    .filters { grid-template-columns: 1fr; }
    .filters .search-field { grid-column: auto; }
    .status-ring-wrap { grid-template-columns: 1fr; justify-items: center; }
    .summary-strip { grid-template-columns: repeat(2, 1fr); }
    .detail-list { grid-template-columns: 1fr; }
    .detail-item.full { grid-column: auto; }
    .footer { flex-direction: column; }
}

@media print {
    .sidebar, .topbar, .footer, .no-print, .page-actions, .filters, .alert { display: none !important; }
    .main-wrap { margin: 0; }
    .content { width: 100%; padding: 0; }
    body { background: #fff; font-size: 11px; }
    .panel, .table-wrap, .kpi-card { box-shadow: none; }
    .data-table { white-space: normal; }
    .data-table th, .data-table td { padding: 7px; }
}