:root {
  font-family: Inter, ui-rounded, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: #172231;
  background: #f4f7fa;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --bg: #f4f7fa;
  --surface: #ffffff;
  --surface-soft: #f7fafc;
  --text: #172231;
  --muted: #68778a;
  --border: #dfe6ed;
  --border-strong: #cbd6df;
  --primary: #086db8;
  --primary-deep: #07568f;
  --primary-soft: #e8f3fb;
  --accent: #75be34;
  --accent-deep: #528f22;
  --accent-soft: #eff9e6;
  --danger: #d94b54;
  --warning: #b77711;
  --purple: #7765d5;
  --shadow-sm: 0 4px 18px rgb(28 51 71 / 0.07);
  --shadow-md: 0 18px 48px rgb(18 45 69 / 0.16);
  --radius-sm: 10px;
  --radius: 15px;
  --radius-lg: 22px;
  --sidebar: 272px;
}

:root[data-theme="dark"] {
  --bg: #0f151d;
  --surface: #17202a;
  --surface-soft: #1d2834;
  --text: #f0f5f8;
  --muted: #9caebe;
  --border: #2d3a47;
  --border-strong: #3b4a59;
  --primary: #50a9e3;
  --primary-deep: #76bdec;
  --primary-soft: #152d3f;
  --accent: #8dce50;
  --accent-deep: #a1db6b;
  --accent-soft: #24361d;
  --danger: #f1787f;
  --warning: #e8ad50;
  --shadow-sm: 0 8px 22px rgb(0 0 0 / 0.14);
  --shadow-md: 0 22px 60px rgb(0 0 0 / 0.35);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-width: 320px; min-height: 100%; background: var(--bg); color: var(--text); }
button, input, select, textarea { font: inherit; }
button, select { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .55; }
a { color: inherit; }
img { max-width: 100%; display: block; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: var(--sidebar) minmax(0, 1fr); }
.sidebar { position: sticky; top: 0; height: 100vh; background: var(--surface); border-right: 1px solid var(--border); display: flex; flex-direction: column; z-index: 30; }
.sidebar__brand { padding: 20px 18px 12px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand__icon { width: 43px; height: 43px; border-radius: 14px; display: grid; place-items: center; color: #fff; background: linear-gradient(145deg, var(--primary) 10%, #1197c1 62%, var(--accent) 63%); box-shadow: 0 8px 20px rgb(8 109 184 / .24); font-weight: 900; }
.brand__name { font-size: 20px; font-weight: 780; letter-spacing: -.45px; }
.brand__name strong { color: var(--accent); }
.icon-btn { width: 41px; height: 41px; padding: 0; border: 1px solid var(--border); border-radius: 12px; color: var(--text); background: var(--surface); display: inline-grid; place-items: center; }
.sidebar-close { display: none; }
.business-card { margin: 6px 12px 10px; padding: 11px; border: 1px solid var(--border); border-radius: 14px; display: grid; grid-template-columns: 42px minmax(0,1fr); gap: 10px; align-items: center; background: var(--surface-soft); }
.business-logo { width: 42px; height: 42px; object-fit: cover; border-radius: 12px; border: 1px solid var(--border); background: #fff; }
.business-card strong, .business-card small { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.business-card strong { display: block; font-size: 13px; }
.business-card small { display: block; color: var(--muted); font-size: 11px; margin-top: 2px; }
.side-nav { flex: 1; overflow-y: auto; padding: 5px 10px 14px; }
.side-nav button { width: 100%; min-height: 43px; padding: 0 11px; border: 0; border-radius: 11px; display: flex; align-items: center; gap: 11px; color: var(--muted); background: transparent; text-align: left; font-weight: 680; font-size: 13px; }
.side-nav button:hover { color: var(--text); background: var(--surface-soft); }
.side-nav button.active { color: var(--primary); background: var(--primary-soft); }
.nav-icon { width: 25px; text-align: center; font-size: 17px; filter: grayscale(.25); }
.nav-badge { margin-left: auto; padding: 3px 7px; border-radius: 999px; color: var(--primary); background: var(--primary-soft); font-size: 9px; font-weight: 850; }
.sidebar__footer { padding: 13px; border-top: 1px solid var(--border); display: grid; gap: 10px; }
.user-summary { display: flex; align-items: center; gap: 9px; }
.avatar { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); font-weight: 850; }
.user-summary strong { display: block; font-size: 12px; }
.user-summary small { color: var(--muted); font-size: 10px; }
.reset-btn { border: 1px solid var(--border); border-radius: 10px; padding: 9px; color: var(--muted); background: transparent; font-weight: 700; }
.reset-btn:hover { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 30%, var(--border)); }

.app-main { min-width: 0; }
.topbar { position: sticky; top: 0; z-index: 20; min-height: 67px; padding: 10px 22px; display: flex; align-items: center; gap: 12px; background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.mobile-menu { display: none; }
.topbar__title { min-width: 0; flex: 1; }
.topbar__title strong { display: block; font-size: 14px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.topbar__title small { color: var(--muted); font-size: 11px; }
.demo-pill { padding: 7px 10px; border: 1px solid color-mix(in srgb, var(--accent) 34%, var(--border)); border-radius: 999px; color: var(--accent-deep); background: var(--accent-soft); font-size: 10px; font-weight: 900; letter-spacing: .45px; }
.user-switch { display: grid; gap: 2px; }
.user-switch span { color: var(--muted); font-size: 9px; font-weight: 750; }
.user-switch select { max-width: 205px; border: 1px solid var(--border); border-radius: 9px; padding: 7px 30px 7px 9px; color: var(--text); background: var(--surface); font-size: 11px; }
.public-banner { padding: 11px 22px; display: flex; align-items: center; justify-content: space-between; gap: 15px; color: #17324a; background: linear-gradient(90deg, #eaf6ff, #f3fbea); border-bottom: 1px solid var(--border); }
:root[data-theme="dark"] .public-banner { color: var(--text); background: linear-gradient(90deg, #122a3b, #213119); }
.public-banner strong { display: block; font-size: 13px; }
.public-banner small { color: color-mix(in srgb, currentColor 70%, transparent); font-size: 11px; }
.contact-link { flex: 0 0 auto; border: 0; border-radius: 10px; padding: 10px 13px; color: #fff; background: #1b8d3d; text-decoration: none; font-size: 12px; font-weight: 850; box-shadow: 0 8px 20px rgb(27 141 61 / .18); }

.content { padding: 22px; max-width: 1550px; margin: 0 auto; }
.page-head { margin-bottom: 18px; display: flex; align-items: flex-start; justify-content: space-between; gap: 15px; }
.page-head h1 { margin: 0 0 5px; font-size: clamp(22px, 2.5vw, 31px); letter-spacing: -.8px; }
.page-head p { margin: 0; color: var(--muted); font-size: 13px; }
.page-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.btn { min-height: 40px; padding: 0 14px; border: 0; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; gap: 7px; font-weight: 780; font-size: 12px; transition: transform .15s ease, filter .15s ease; }
.btn:active { transform: translateY(1px); }
.btn-primary { color: #fff; background: linear-gradient(135deg, var(--primary), #0783bd); box-shadow: 0 8px 20px rgb(8 109 184 / .17); }
.btn-secondary { color: var(--text); background: var(--surface); border: 1px solid var(--border-strong); }
.btn-soft { color: var(--primary); background: var(--primary-soft); }
.btn-danger { color: #fff; background: var(--danger); }
.btn-ghost { color: var(--muted); background: transparent; }
.btn-sm { min-height: 32px; padding: 0 10px; font-size: 11px; }

.metric-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 13px; margin-bottom: 18px; }
.metric { min-width: 0; padding: 17px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-sm); }
.metric__top { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: var(--muted); font-size: 11px; font-weight: 700; }
.metric__icon { width: 34px; height: 34px; border-radius: 11px; display: grid; place-items: center; color: var(--primary); background: var(--primary-soft); font-size: 17px; }
.metric strong { display: block; margin-top: 12px; font-size: 24px; letter-spacing: -.6px; overflow: hidden; text-overflow: ellipsis; }
.metric small { color: var(--muted); font-size: 10px; }

.grid-2 { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, .75fr); gap: 16px; }
.card { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-sm); overflow: hidden; }
.card-head { min-height: 55px; padding: 13px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--border); }
.card-head h2, .card-head h3 { margin: 0; font-size: 15px; }
.card-head small { color: var(--muted); }
.card-body { padding: 16px; }
.quick-actions { display: grid; gap: 10px; }
.quick-action { padding: 13px; border: 1px solid var(--border); border-radius: 12px; display: flex; align-items: center; gap: 11px; background: var(--surface-soft); cursor: pointer; }
.quick-action:hover { border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); }
.quick-action span:first-child { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; background: var(--primary-soft); }
.quick-action strong { display: block; font-size: 12px; }
.quick-action small { color: var(--muted); font-size: 10px; }

.toolbar { margin-bottom: 13px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.search { min-width: 240px; flex: 1; position: relative; }
.search input { width: 100%; min-height: 40px; padding: 0 13px 0 37px; border: 1px solid var(--border); border-radius: 10px; color: var(--text); background: var(--surface); }
.search::before { content: "⌕"; position: absolute; left: 13px; top: 8px; color: var(--muted); font-size: 20px; }
.toolbar select { min-height: 40px; padding: 0 32px 0 11px; border: 1px solid var(--border); border-radius: 10px; color: var(--text); background: var(--surface); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th { padding: 11px 13px; color: var(--muted); background: var(--surface-soft); text-align: left; white-space: nowrap; font-size: 10px; text-transform: uppercase; letter-spacing: .45px; }
td { padding: 12px 13px; border-top: 1px solid var(--border); vertical-align: middle; }
tr:hover td { background: color-mix(in srgb, var(--primary-soft) 42%, transparent); }
.cell-main strong { display: block; }
.cell-main small { color: var(--muted); }
.actions { display: flex; gap: 5px; justify-content: flex-end; }
.status { display: inline-flex; align-items: center; gap: 5px; padding: 5px 8px; border-radius: 999px; font-size: 10px; font-weight: 800; white-space: nowrap; }
.status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.status-green { color: #2d8a46; background: #eaf7ee; }
.status-blue { color: #2073ad; background: #e9f4fc; }
.status-yellow { color: #a06a11; background: #fff5df; }
.status-red { color: #c3424a; background: #fdecef; }
.status-gray { color: #68778a; background: #eef1f4; }
:root[data-theme="dark"] .status-green { background: #173323; }
:root[data-theme="dark"] .status-blue { background: #142f43; }
:root[data-theme="dark"] .status-yellow { background: #372b17; }
:root[data-theme="dark"] .status-red { background: #3b2024; }
:root[data-theme="dark"] .status-gray { background: #26313d; }
.empty { padding: 40px 20px; text-align: center; color: var(--muted); }
.empty span { display: block; font-size: 36px; margin-bottom: 8px; }

.inventory-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 13px; margin-bottom: 16px; }
.inventory-card { padding: 15px; border: 1px solid var(--border); border-radius: 13px; background: var(--surface); }
.inventory-card span { color: var(--muted); font-size: 11px; }
.inventory-card strong { display: block; margin-top: 6px; font-size: 23px; }

.report-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.report-card { padding: 17px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-sm); }
.report-card__icon { width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; color: var(--primary); background: var(--primary-soft); font-size: 20px; }
.report-card h3 { margin: 13px 0 6px; font-size: 14px; }
.report-card p { min-height: 42px; color: var(--muted); font-size: 11px; line-height: 1.55; }
.report-card .btn { width: 100%; }

.settings-grid { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(280px,.75fr); gap: 16px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 13px; }
label { display: grid; gap: 6px; color: var(--text); font-size: 11px; font-weight: 730; }
input, select, textarea { width: 100%; border: 1px solid var(--border-strong); border-radius: 10px; padding: 10px 11px; color: var(--text); background: var(--surface); outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 16%, transparent); }
textarea { resize: vertical; min-height: 88px; }
.form-full { grid-column: 1 / -1; }
.form-actions { grid-column: 1 / -1; display: flex; justify-content: flex-end; gap: 8px; padding-top: 6px; }
.logo-preview { width: 76px; height: 76px; border: 1px solid var(--border); border-radius: 18px; object-fit: cover; background: #fff; }
.feature-list { display: grid; gap: 9px; }
.feature-item { padding: 11px; border: 1px solid var(--border); border-radius: 11px; display: flex; gap: 9px; align-items: flex-start; background: var(--surface-soft); }
.feature-item span { color: var(--accent-deep); font-weight: 900; }
.feature-item strong { display: block; font-size: 11px; }
.feature-item small { color: var(--muted); font-size: 10px; }

.modal-backdrop { position: fixed; inset: 0; z-index: 100; padding: 20px; display: grid; place-items: center; background: rgb(8 20 31 / .62); backdrop-filter: blur(4px); }
.modal { width: min(720px, 100%); max-height: calc(100vh - 40px); overflow-y: auto; border: 1px solid var(--border); border-radius: 20px; background: var(--surface); box-shadow: var(--shadow-md); }
.modal--wide { width: min(930px, 100%); }
.modal-head { padding: 17px 19px; display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--border); }
.modal-head h2 { margin: 0 0 4px; font-size: 19px; }
.modal-head p { margin: 0; color: var(--muted); font-size: 11px; }
.modal-body { padding: 18px 19px; }
.line-items { display: grid; gap: 9px; }
.line-item { display: grid; grid-template-columns: 2fr .7fr .9fr auto; gap: 8px; align-items: end; padding: 10px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface-soft); }
.summary-box { margin-top: 13px; padding: 13px; border: 1px dashed var(--border-strong); border-radius: 12px; display: grid; gap: 7px; }
.summary-row { display: flex; justify-content: space-between; gap: 15px; font-size: 12px; }
.summary-row.total { padding-top: 8px; border-top: 1px solid var(--border); font-size: 15px; font-weight: 850; }

.guide { display: grid; gap: 12px; }
.guide details { border: 1px solid var(--border); border-radius: 12px; background: var(--surface); overflow: hidden; }
.guide summary { padding: 14px 15px; cursor: pointer; font-weight: 800; font-size: 13px; }
.guide details div { padding: 0 15px 15px; color: var(--muted); font-size: 12px; line-height: 1.65; }

.toast { position: fixed; right: 22px; bottom: 82px; z-index: 150; max-width: min(390px, calc(100vw - 28px)); padding: 12px 15px; border: 1px solid var(--border); border-radius: 12px; color: var(--text); background: var(--surface); box-shadow: var(--shadow-md); font-size: 12px; font-weight: 700; animation: toast-in .2s ease; }
@keyframes toast-in { from { transform: translateY(8px); opacity: 0; } }
.fab { position: fixed; right: 22px; bottom: 22px; z-index: 70; padding: 13px 17px; border-radius: 999px; color: #fff; background: #1b8d3d; text-decoration: none; font-size: 12px; font-weight: 850; box-shadow: 0 16px 34px rgb(20 73 41 / .29); }
.sidebar-overlay { display: none; }

@media (max-width: 1180px) {
  .metric-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .report-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 880px) {
  .app-shell { display: block; }
  .sidebar { position: fixed; left: 0; transform: translateX(-105%); width: min(286px, 88vw); transition: transform .2s ease; box-shadow: var(--shadow-md); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-close, .mobile-menu { display: inline-grid; }
  .sidebar-overlay { position: fixed; inset: 0; z-index: 25; display: block; border: 0; background: rgb(8 20 31 / .45); }
  .grid-2, .settings-grid { grid-template-columns: 1fr; }
  .topbar { padding: 9px 14px; }
  .user-switch { display: none; }
  .content { padding: 17px 14px 85px; }
  .public-banner { padding: 10px 14px; }
  .public-banner small { display: none; }
}

@media (max-width: 650px) {
  .metric-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .metric:last-child { grid-column: 1 / -1; }
  .page-head { align-items: stretch; flex-direction: column; }
  .page-actions { justify-content: stretch; }
  .page-actions .btn { flex: 1; }
  .report-grid, .inventory-grid, .form-grid { grid-template-columns: 1fr; }
  .form-full, .form-actions { grid-column: auto; }
  .line-item { grid-template-columns: 1fr 1fr; }
  .line-item > label:first-child { grid-column: 1 / -1; }
  .demo-pill { display: none; }
  .contact-link { font-size: 10px; padding: 9px 10px; }
  .fab { right: 14px; bottom: 14px; }
  .toast { right: 14px; bottom: 70px; }
}

@media print {
  .sidebar, .topbar, .public-banner, .fab, .page-actions, .toolbar, .actions { display: none !important; }
  .app-shell { display: block; }
  .content { padding: 0; }
  .card, .metric, .report-card { box-shadow: none; break-inside: avoid; }
}