:root{--paper: #faf9f7;--linen: #f3f1ed;--fog: #eceae6;--hairline: #e3e3e3;--pebble: #c8c5bf;--ink: #1c1917;--graphite: #57534e;--warm-charcoal: #44403c;--sage: #547e69;--mint-wash: #e8f0eb;--radius-badge: 4px;--radius-btn: 8px;--radius-card: 12px;--font-sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-serif: "Crimson Pro", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;--font-inline: Georgia, "Times New Roman", serif;--content-max: 1080px;--section-gap: 80px;--card-pad: 24px}*,*:before,*:after{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;font-family:var(--font-sans);font-size:14px;line-height:1.5;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}h1,h2,h3,.heading-serif{font-family:var(--font-serif);font-weight:300;letter-spacing:-.01em;color:var(--ink);margin:0}h1{font-size:32px;line-height:1}h2{font-size:26px;line-height:1.1}h3{font-size:20px;line-height:1.2}p{margin:0;color:var(--graphite)}a{color:var(--ink);text-decoration:none}a:hover{color:var(--sage)}button,input,select,textarea{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--sage);outline-offset:2px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);font-weight:500;font-size:14px;line-height:1.2;cursor:pointer;text-decoration:none;transition:background .12s ease,border-color .12s ease,color .12s ease;background:transparent;color:var(--ink)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn--outline{border:1px solid var(--ink)}.btn--ghost{border:1px solid transparent}.btn--sm{padding:6px 12px;font-size:13px}.btn--md{padding:10px 16px}.btn:hover:not(:disabled){background:var(--fog);color:var(--ink)}.btn:focus-visible{outline:2px solid var(--sage);outline-offset:2px}.field-input{width:100%;padding:10px 12px;border-radius:var(--radius-btn);border:1px solid var(--hairline);background:var(--paper);color:var(--ink);outline:none}.field-input--invalid{border-color:#9f3a3a}.field-input:focus-visible{outline:2px solid var(--sage);outline-offset:2px;border-color:var(--sage)}.app-shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.app-sidebar{border-right:1px solid var(--hairline);background:var(--linen);padding:24px 16px;display:flex;flex-direction:column;gap:24px}.app-sidebar__brand{font-family:var(--font-serif);font-weight:300;font-size:22px;color:var(--ink);padding:0 8px}.app-sidebar__nav{display:flex;flex-direction:column;gap:4px}.app-sidebar__link{display:block;padding:10px 12px;border-radius:var(--radius-btn);color:var(--graphite);font-weight:400;border-bottom:2px solid transparent}.app-sidebar__link:hover{background:var(--fog);color:var(--ink)}.app-sidebar__link[data-active=true]{color:var(--ink);font-weight:500;border-bottom-color:var(--sage);background:transparent}.app-main{padding:32px 40px 64px}.app-main__inner{max-width:var(--content-max);margin:0 auto}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:32px}.page-header__meta{color:var(--graphite);font-size:13px;margin-top:8px}.muted{color:var(--graphite)}.caption{font-size:11px;color:var(--graphite);line-height:1.5}.stack{display:flex;flex-direction:column;gap:16px}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}.form-field{display:flex;flex-direction:column;gap:6px}.form-error{color:#9f3a3a;font-size:12px}.form-success{border:1px solid var(--sage);background:var(--mint-wash);border-radius:var(--radius-card);padding:16px}.template-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.template-card{text-align:left;border:1px solid var(--hairline);background:var(--paper);border-radius:var(--radius-card);padding:16px;cursor:pointer;color:var(--ink)}.template-card:hover{border-color:var(--pebble);background:var(--linen)}.template-card[data-selected=true]{border-color:var(--sage);box-shadow:0 0 0 1px var(--sage)}.template-card__title{font-weight:500;margin-bottom:6px}.template-card__desc{font-size:12px;color:var(--graphite);line-height:1.45}.tenant-card__title{font-family:var(--font-serif);font-weight:300;font-size:22px;margin-bottom:8px}.tenant-card__meta{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--graphite)}.tenant-card__footer{margin-top:16px;display:flex;align-items:center;justify-content:space-between;gap:8px}.empty-state{border:1px dashed var(--hairline);border-radius:var(--radius-card);padding:40px 24px;text-align:center;color:var(--graphite);background:var(--linen)}@media(max-width:800px){.app-shell{grid-template-columns:1fr}.app-sidebar{border-right:none;border-bottom:1px solid var(--hairline)}.template-grid{grid-template-columns:1fr}.app-main{padding:24px 16px 48px}}.customer-split{align-items:start}@media(max-width:900px){.customer-split{grid-template-columns:1fr!important}}