:root {
    --blue-950: #0b2840;
    --blue-800: #124f7f;
    --blue-700: #1769a8;
    --blue-600: #247bb9;
    --blue-100: #e9f3fa;
    --ink: #172531;
    --muted: #687681;
    --line: #dce4e9;
    --surface: #ffffff;
    --canvas: #f3f6f8;
    --success: #237a4b;
    --danger: #b43a3a;
    --warning: #9a6512;
    --radius: 14px;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--ink);
    background: var(--canvas);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: var(--canvas); font-size: 15px; line-height: 1.5; }
a { color: var(--blue-700); text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, .button { min-height: 42px; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 250px minmax(0, 1fr); }
.sidebar {
    position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column;
    padding: 22px 16px; background: var(--blue-950); color: white;
}
.brand { display: flex; align-items: center; gap: 11px; color: white; padding: 0 8px 25px; }
.brand-mark {
    display: inline-grid; place-items: center; flex: 0 0 40px; height: 40px; border-radius: 10px;
    background: var(--blue-600); color: white; font-weight: 900; font-size: 21px;
}
.brand strong, .brand small { display: block; }
.brand strong { font-size: 17px; letter-spacing: .02em; }
.brand small { color: #a9c4d8; font-size: 11px; text-transform: uppercase; letter-spacing: .1em; }
.sidebar nav { display: grid; gap: 5px; }
.sidebar nav a { padding: 11px 13px; border-radius: 9px; color: #c9dbe8; font-weight: 600; }
.sidebar nav a:hover, .sidebar nav a.active { color: white; background: rgba(255,255,255,.1); }
.sidebar-footer { margin-top: auto; padding: 16px 10px 0; border-top: 1px solid rgba(255,255,255,.12); }
.sidebar-footer span, .sidebar-footer small { display: block; }
.sidebar-footer small { color: #9eb7c9; margin-bottom: 6px; }
.sidebar .link-button { color: #c9dbe8; padding: 0; }

.page { min-width: 0; }
.topbar { height: 76px; display: flex; align-items: center; padding: 0 clamp(20px, 4vw, 54px); background: white; border-bottom: 1px solid var(--line); }
.topbar h1 { margin: 0; font-size: 22px; }
.menu-button { display: none; border: 0; background: transparent; font-size: 22px; margin-right: 10px; }
.content { max-width: 1480px; padding: 34px clamp(20px, 4vw, 54px) 70px; }

.welcome { background: linear-gradient(120deg, var(--blue-950), var(--blue-700)); color: white; padding: 34px; border-radius: 18px; box-shadow: 0 12px 30px rgba(11,40,64,.14); }
.welcome h2 { margin: 4px 0; font-size: clamp(25px, 4vw, 38px); }
.welcome p { margin: 0; color: #c9e0f0; }
.eyebrow { color: var(--blue-600); text-transform: uppercase; letter-spacing: .12em; font-size: 11px; font-weight: 800; }
.welcome .eyebrow { color: #8fc5e8; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 20px 0; }
.stat-card { display: grid; padding: 20px; background: white; border: 1px solid var(--line); border-radius: var(--radius); color: var(--ink); }
.stat-card span { color: var(--muted); font-weight: 700; }
.stat-card strong { font-size: 32px; color: var(--blue-700); }
.stat-card small { color: var(--muted); }

.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; }
.panel-heading > div { display: flex; align-items: center; gap: 12px; }
.panel-heading h2 { margin: 0; font-size: 18px; }
.step { display: grid; place-items: center; width: 35px; height: 35px; border-radius: 9px; background: var(--blue-100); color: var(--blue-700); font-size: 12px; font-weight: 800; }
.quick-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.quick-action { display: flex; gap: 12px; align-items: center; padding: 16px; border: 1px solid var(--line); border-radius: 11px; color: var(--ink); font-weight: 700; }
.quick-action b { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: var(--blue-100); color: var(--blue-700); font-size: 21px; }
.content > .panel, .result-panel { padding: 24px; }

.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; }
.toolbar-actions { display: flex; gap: 8px; }
.search { flex: 1; display: flex; align-items: center; gap: 8px; }
.search input[type=search] { max-width: 390px; }
.button {
    display: inline-flex; justify-content: center; align-items: center; gap: 7px; padding: 9px 15px;
    border: 1px solid var(--line); border-radius: 9px; background: white; color: var(--ink); font-weight: 700; cursor: pointer;
}
.button:hover { border-color: #b9c7d0; background: #f9fbfc; }
.button.primary { background: var(--blue-700); border-color: var(--blue-700); color: white; }
.button.primary:hover { background: var(--blue-800); }
.button.small { min-height: 36px; padding: 6px 10px; font-size: 13px; }
.button.wide { width: 100%; }
.link-button { border: 0; background: transparent; color: var(--blue-700); cursor: pointer; font-weight: 650; }
.icon-button { border: 0; background: #f2f4f5; border-radius: 8px; width: 38px; cursor: pointer; font-size: 20px; }

.table-panel { padding: 0 !important; overflow: hidden; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { color: var(--muted); background: #f8fafb; text-transform: uppercase; letter-spacing: .06em; font-size: 11px; }
tbody tr:last-child td { border-bottom: 0; }
td small { display: block; color: var(--muted); margin-top: 2px; }
td.number { font-weight: 800; color: var(--blue-700); }
.row-actions { text-align: right; white-space: nowrap; }
.row-actions form { display: inline; }
.row-actions a, .row-actions button { font-size: 13px; }
.status { display: inline-block; padding: 4px 9px; border-radius: 99px; font-size: 12px; font-weight: 800; }
.status.active { background: #e6f5ed; color: var(--success); }
.status.inactive { background: #f3eaea; color: var(--danger); }

.record-form { display: grid; gap: 16px; }
.form-section { padding: 24px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px; }
label { display: grid; align-content: start; gap: 6px; font-weight: 700; color: #33434f; }
label small { color: var(--muted); font-weight: 450; }
input, select, textarea {
    width: 100%; padding: 10px 12px; color: var(--ink); background: white;
    border: 1px solid #cbd6dd; border-radius: 8px; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--blue-600); box-shadow: 0 0 0 3px rgba(36,123,185,.12); }
textarea { resize: vertical; }
.span-2 { grid-column: span 2; }
.check-inline { display: inline-flex; grid-auto-flow: column; justify-content: start; align-items: center; gap: 8px; font-weight: 600; }
.check-inline input { width: 17px; height: 17px; }
.field-error { color: var(--danger) !important; font-weight: 650 !important; }
.form-actions { position: sticky; bottom: 0; display: flex; justify-content: flex-end; gap: 9px; padding: 14px 0; background: linear-gradient(transparent, var(--canvas) 25%); }
.people { display: grid; gap: 10px; }
.person-row { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1.2fr auto; gap: 10px; align-items: end; padding: 14px; border: 1px solid var(--line); border-radius: 10px; }
.muted { color: var(--muted); }
.permission-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
fieldset { border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
legend { padding: 0 5px; color: var(--blue-800); font-weight: 800; }
fieldset label { margin: 8px 0; }
.two-column { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.category-pill, .hours-badge { display: inline-block; padding: 4px 9px; border-radius: 7px; background: var(--blue-100); color: var(--blue-800); font-size: 12px; font-weight: 800; }
.filter-grid { flex-wrap: wrap; }
.filter-grid label { min-width: 145px; font-size: 12px; }
.filter-grid .button { align-self: end; }
.compact-stats { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }
.meter-difference { display: flex; justify-content: space-between; align-items: center; padding: 15px 18px; border-radius: 10px; background: var(--blue-100); color: var(--blue-950); }
.meter-difference strong { font-size: 22px; color: var(--blue-700); }
.line-items { display: grid; gap: 12px; margin-bottom: 14px; }
.line-item { display: grid; grid-template-columns: 42px minmax(130px,.8fr) minmax(210px,1.7fr) repeat(4,minmax(90px,.55fr)) auto; gap: 9px; align-items: end; padding: 14px; border: 1px solid var(--line); border-radius: 11px; }
.line-position { align-self: center; display: grid; place-items: center; width: 32px; height: 32px; border-radius: 8px; background: var(--blue-100); color: var(--blue-700); font-weight: 900; }
.line-item label { font-size: 12px; }
.billing-choice { grid-column: 2 / -1; display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:11px 13px;border-radius:9px;background:var(--blue-100);color:var(--blue-950) }
.billing-choice > span { color:var(--muted);margin-right:auto }
.line-text { grid-column: 3; }
.checkbox-box { display: flex; flex-wrap: wrap; gap: 12px; padding: 12px; border: 1px solid var(--line); border-radius: 9px; }
.document-actions { display: flex; justify-content: flex-end; gap: 8px; margin-bottom: 16px; }
.document-sheet { max-width: 900px; min-height: 1100px; margin: 0 auto; padding: 60px; background: white; box-shadow: 0 8px 35px rgba(11,40,64,.11); }
.document-header { display: flex; justify-content: space-between; align-items: flex-start; padding-bottom: 28px; border-bottom: 3px solid var(--blue-700); }
.document-header > div:last-child { text-align: right; font-size: 20px; }.document-header span,.document-header strong{display:block}
.document-logo-placeholder { color: var(--blue-700); font-size: 20px; }.document-logo-placeholder span{color:#4e5356;font-size:24px}
.document-address { margin: 55px 0 30px; }.document-meta { display:flex; justify-content:flex-end; gap:35px; text-align:right }.document-meta small{display:block;color:var(--muted)}
.document-sheet h1 { margin-top: 35px; }.document-table { margin: 25px 0; }.document-table tfoot td{font-weight:900;background:var(--blue-100)}.document-table tfoot td:first-child{text-align:right}.tax-note{margin-top:35px;font-size:13px;color:var(--muted)}
.action-panel { display:flex;justify-content:space-between;align-items:end;gap:16px;margin-top:16px;padding:20px!important}.action-panel form{display:flex;align-items:end;gap:10px}
.order-hero { display:flex;justify-content:space-between;gap:20px;align-items:flex-start;padding:28px;margin-bottom:18px;border-radius:var(--radius);background:linear-gradient(120deg,var(--blue-950),var(--blue-700));color:white}.order-hero h2{font-size:28px;margin:4px 0}.order-hero p{margin:0;color:#c9e0f0}.stat-text{font-size:20px!important}
.inline-entry-form { display:grid;grid-template-columns:repeat(6,1fr) auto;align-items:end;gap:10px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}.inline-entry-form label{font-size:12px}
.invoice-row.open { background:#fff6f6 }.invoice-row.paid{background:#f0faf4}
.invoice-status{display:inline-block;padding:5px 10px;border-radius:99px;font-weight:850;font-size:12px}.invoice-status.draft{background:#edf1f3;color:#53616b}.invoice-status.open{background:#fbe2e2;color:#a42f2f}.invoice-status.paid{background:#dff3e8;color:#207147}.invoice-status.cancelled{background:#ece7e7;color:#6d5555}
.invoice-hero{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;padding:28px;margin-bottom:18px;border-radius:var(--radius);border:1px solid var(--line);background:white}.invoice-hero.open{border-left:6px solid #c74646}.invoice-hero.paid{border-left:6px solid #2b8a57}.invoice-hero h2{font-size:30px;margin:4px 0}.invoice-hero p{margin:0;color:var(--muted)}
.invoice-meta-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:25px}.invoice-meta-grid>div{padding:14px;background:var(--canvas);border-radius:9px}.invoice-meta-grid small,.invoice-meta-grid strong{display:block}.invoice-meta-grid small{color:var(--muted);margin-bottom:3px}
.variance{display:inline-block;padding:4px 8px;border-radius:7px;font-size:12px;font-weight:850}.variance.equal{background:#dff3e8;color:#207147}.variance.over{background:#fbe2e2;color:#a42f2f}.variance.under{background:#fff2d4;color:#80570c}

.alert { padding: 13px 16px; margin-bottom: 18px; border-radius: 10px; border: 1px solid; }
.alert p { margin: 4px 0; }
.alert ul { margin-bottom: 0; }
.alert.success { color: var(--success); background: #edf8f2; border-color: #b8dfca; }
.alert.error { color: var(--danger); background: #fff0f0; border-color: #e8baba; }
.alert.warning { color: #6f4a0c; background: #fff8e8; border-color: #ecd49d; }
.alert.info { color: var(--blue-800); background: var(--blue-100); border-color: #bcd8eb; }
.empty-state { text-align: center; padding: 55px 20px; }
.empty-state > span { font-size: 35px; color: var(--blue-600); font-weight: 900; }
.empty-state h2 { margin: 4px 0; }
.empty-state p { color: var(--muted); margin: 0 0 18px; }

.guest { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: linear-gradient(135deg, var(--blue-950), var(--blue-700)); }
.auth-shell { width: min(430px, 100%); }
.auth-brand { display: flex; align-items: center; gap: 12px; margin: 0 0 20px 4px; color: white; }
.auth-brand strong, .auth-brand span { display: block; }
.auth-brand > div > span { color: #b9d5e8; font-size: 13px; text-transform: uppercase; letter-spacing: .09em; }
.auth-card { display: grid; gap: 17px; padding: 30px; background: white; border-radius: 18px; box-shadow: 0 24px 60px rgba(0,0,0,.25); }
.auth-card h1 { margin: 0; font-size: 25px; }
.auth-card header p { color: var(--muted); margin: 5px 0 0; }

@media (max-width: 900px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar { position: fixed; z-index: 20; width: 270px; transform: translateX(-100%); transition: transform .2s ease; }
    .menu-open .sidebar { transform: translateX(0); box-shadow: 20px 0 60px rgba(0,0,0,.25); }
    .menu-button { display: inline-block; }
    .stats, .quick-grid, .permission-grid { grid-template-columns: 1fr; }
    .person-row { grid-template-columns: 1fr 1fr; }
    .person-row .icon-button { grid-column: 2; justify-self: end; }
    .line-item { grid-template-columns: 42px repeat(2,1fr); }
    .line-description { grid-column: 2 / -1; }.line-text{grid-column:auto}.billing-choice{grid-column:2 / -1}
    .inline-entry-form{grid-template-columns:repeat(2,1fr)}
    .invoice-meta-grid{grid-template-columns:repeat(2,1fr)}
}

@media (max-width: 650px) {
    .topbar { height: 64px; padding: 0 14px; }
    .content { padding: 18px 13px 55px; }
    .welcome { padding: 25px 20px; }
    .toolbar, .search { align-items: stretch; flex-direction: column; }
    .toolbar-actions { display: grid; grid-template-columns: 1fr 1fr; }
    .search input[type=search] { max-width: none; }
    .form-grid, .two-column { grid-template-columns: 1fr; }
    .span-2 { grid-column: auto; }
    .form-section { padding: 18px; }
    .panel-heading { align-items: flex-start; }
    .person-row { grid-template-columns: 1fr; }
    .person-row .icon-button { grid-column: 1; justify-self: end; }
    .line-item { grid-template-columns: 1fr; }.line-position,.line-description,.line-text,.billing-choice{grid-column:auto}
    .document-sheet{padding:25px;min-height:0}.document-meta{justify-content:flex-start;flex-wrap:wrap}.document-header{gap:15px}.document-logo-placeholder span{font-size:17px}
    .action-panel,.action-panel form,.order-hero{flex-direction:column;align-items:stretch}.inline-entry-form{grid-template-columns:1fr}
    .invoice-hero{flex-direction:column}.invoice-meta-grid{grid-template-columns:1fr}
    th, td { padding: 12px; }
}

@media print {
    .sidebar,.topbar,.no-print,.action-panel{display:none!important}.app-shell{display:block}.content{padding:0;max-width:none}.document-sheet{box-shadow:none;max-width:none;min-height:0;padding:10mm}body{background:white}
}