:root{--brand-green: #6fb66a;--brand-green-dark: #548158;--brand-mint: #9ece9b;--brand-orange: #ed732e;--text: #1a1a1a;--text-muted: #6b6b6b;--bg: #ffffff;--bg-muted: #eeeeee;--border: #d6d6d6;--radius: 6px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--focus-ring: 0 0 0 3px rgba(111, 182, 106, .35)}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);background:var(--bg-muted)}h1,h2,h3{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-weight:600;letter-spacing:-.015em;color:var(--text)}h1{font-weight:700}.button{background:var(--brand-green);color:#fff;border:none;padding:.5rem 1rem;font-size:.95rem;border-radius:var(--radius);cursor:pointer;transition:background-color .15s;font-family:inherit}.button:hover:not(:disabled){background:var(--brand-green-dark)}.button:disabled{opacity:.6;cursor:wait}.button:focus-visible{outline:none;box-shadow:var(--focus-ring)}.button.secondary{background:transparent;color:var(--brand-green-dark);border:1px solid var(--brand-green-dark)}.button.secondary:hover:not(:disabled){background:var(--bg-muted)}.input{width:100%;padding:.5rem .625rem;font-size:1rem;border:1px solid var(--border);border-radius:var(--radius);background:#fff;font-family:inherit;color:var(--text)}.input:focus{outline:none;border-color:var(--brand-green);box-shadow:var(--focus-ring)}.card{background:var(--bg);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow-sm)}.nav-link{color:var(--text-muted);text-decoration:none;padding:.4rem .75rem;border-radius:var(--radius);font-size:.9rem;font-family:system-ui,sans-serif;transition:background-color .12s,color .12s}.nav-link:hover{background:var(--bg-muted);color:var(--text)}.nav-link-active{color:var(--brand-green-dark);font-weight:600;background:transparent}.nav-link-active:hover{background:var(--bg-muted)}.column-header-btn:hover:not(:disabled){background:var(--bg-muted)}.column-header-btn:focus-visible{outline:none;box-shadow:var(--focus-ring)}.menu-item{display:block;width:100%;text-align:left;padding:.5rem 1rem;background:none;border:none;cursor:pointer;font-family:inherit;font-size:.95rem;color:var(--text)}.menu-item:hover{background:var(--bg-muted)}.menu-item:focus-visible{outline:none;background:var(--bg-muted)}.po-row:hover,.po-row:focus-visible{background:var(--bg-muted);outline:none}@keyframes spinner-rotate{to{transform:rotate(360deg)}}.toast-container{position:fixed;top:1rem;right:1rem;display:flex;flex-direction:column;gap:.5rem;z-index:1000;pointer-events:none}.toast{pointer-events:auto;display:flex;align-items:flex-start;gap:.75rem;min-width:260px;max-width:380px;padding:.6rem .75rem;background:var(--bg);color:var(--text);border:1px solid var(--border);border-left:4px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);font-size:.9rem;animation:toast-in .2s ease-out}.toast-message{flex:1;line-height:1.35}.toast-close{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:1.1rem;line-height:1;padding:0 .25rem}.toast-close:hover{color:var(--text)}@keyframes toast-in{0%{opacity:0;transform:translate(8px)}to{opacity:1;transform:translate(0)}}.wordmark{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:1.35rem;font-weight:600;color:var(--brand-green-dark);letter-spacing:-.01em;text-decoration:none}.wordmark strong{color:var(--brand-green);font-weight:700}