:root{--bg:#f4f7f8;--surface:#fff;--surface2:#eef4f4;--ink:#173036;--muted:#698086;--line:#dce7e8;--brand:#0b6b63;--brand2:#0e8d80;--accent:#d5a84b;--danger:#b64b4b;--warn:#b57616;--shadow:0 10px 30px rgba(23,48,54,.07);--radius:18px;--sidebar:250px}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}.app-shell{min-height:100vh}.sidebar{position:fixed;left:0;top:0;bottom:0;width:var(--sidebar);background:#10373a;color:#eaf5f5;padding:24px 18px;z-index:20;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;padding:0 8px 26px}.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,#27a896,#d5a84b);display:grid;place-items:center;font-weight:800;color:#fff;box-shadow:0 8px 18px 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@media(max-width:1100px){.metric-grid{grid-template-columns:repeat(3,1fr)}.customer-hero{grid-template-columns:repeat(3,1fr)}.customer-hero>div:nth-child(3){border-right:0}.report-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:820px){:root{--sidebar:0px}.sidebar{transform:translateX(-100%);width:250px;transition:.2s}.sidebar.open{transform:translateX(0)}.main{margin-left:0}.mobile-only{display:grid}.content{padding:20px}.topbar{padding:0 16px}.user-chip>div:not(.avatar){display:none}.metric-grid,.grid.two,.grid.three,.cashier-layout,.camera-demo{grid-template-columns:1fr 1fr}.page-head{align-items:start;flex-direction:column}.filters{grid-template-columns:1fr 1fr}.customer-hero{grid-template-columns:repeat(2,1fr)}.report-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.content{padding:15px}.topbar{height:66px}.global-search{min-width:0}.metric-grid,.grid.two,.grid.three,.cashier-layout,.camera-demo,.report-grid,.filters,.auth-wrap{grid-template-columns:1fr}.customer-hero{grid-template-columns:1fr 1fr}.customer-hero>div{border-right:0}.page-head h1{font-size:25px}.page-actions{width:100%;flex-wrap:wrap}.metric{min-height:auto}.auth-brand{display:none}.auth-body{background:#10373a}.auth-card{padding:24px}.pay-methods{grid-template-columns:1fr 1fr}}