:root{--bg:#f4f7f5;--surface:#fff;--surface-muted:#edf2ef;--text:#17221b;--muted:#657168;--line:#d8e0db;--accent:#1f8a5b;--accent-dark:#15643f;--danger:#b83232}*{box-sizing:border-box}html,body{min-height:100%}body{background:var(--bg);color:var(--text);margin:0;font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.dashboard-shell{grid-template-columns:260px minmax(0,1fr);min-height:100vh;display:grid}.sidebar{border-right:1px solid var(--line);background:#fbfdfb;flex-direction:column;padding:24px 18px;display:flex}.brand{gap:4px;margin-bottom:28px;display:grid}.brand strong{font-size:22px}.brand span,.section-label,.muted{color:var(--muted)}.section-label{text-transform:uppercase;margin:22px 0 8px;font-size:12px}.nav-list{gap:6px;display:grid}.nav-link{color:var(--text);border-radius:8px;padding:10px 12px;display:block}.nav-button{cursor:pointer;text-align:left;background:0 0;border:0;width:100%}.nav-button:disabled{cursor:wait;opacity:.7}.nav-link:hover,.nav-link.active{background:var(--surface-muted)}.sidebar-footer{border-top:1px solid var(--line);gap:8px;margin-top:auto;padding-top:16px;display:grid}.content{min-width:0;padding:28px}.page-header{justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px;display:flex}.page-header h1{margin:0 0 6px;font-size:28px;line-height:1.2}.panel{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:18px}.stack{gap:14px;display:grid}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.toolbar{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.settings-row{justify-content:space-between;align-items:center;gap:16px;display:flex}.toggle{color:var(--muted);align-items:center;gap:8px;display:inline-flex}.chip{background:var(--surface-muted);border:1px solid var(--line);color:var(--muted);border-radius:8px;padding:7px 10px}.button{background:var(--accent);border:1px solid var(--accent);color:#fff;cursor:pointer;border-radius:8px;justify-content:center;align-items:center;min-height:40px;padding:9px 14px;display:inline-flex}.button:hover{background:var(--accent-dark)}.button.secondary{color:var(--text);border-color:var(--line);background:#fff}.field{gap:6px;display:grid}.field label,.field span{color:var(--muted);font-size:13px}.input,.textarea{border:1px solid var(--line);color:var(--text);background:#fff;border-radius:8px;width:100%;min-height:40px;padding:9px 10px}.textarea{resize:vertical;min-height:96px}.error{color:var(--danger)}.success{color:var(--accent-dark)}.login-page{place-items:center;min-height:100vh;padding:24px;display:grid}.login-box{width:100%;max-width:420px}.empty-list{border:1px dashed var(--line);color:var(--muted);text-align:center;border-radius:8px;padding:32px}@media (max-width:860px){.dashboard-shell{grid-template-columns:1fr}.sidebar{border-bottom:1px solid var(--line);border-right:0}.grid-2{grid-template-columns:1fr}}