:root{--primary:#17b26a;--primary-pressed:#0e9455;--bg:#f6f7f9;--surface:#fff;--border:#eaecef;--text-primary:#131a24;--text-secondary:#6b7480;--danger:#e5484d;color:var(--text-primary);background:var(--bg);font-family:system-ui,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0}h1,h2,h3{margin:0 0 12px}input,select,button{font:inherit}.login-page{justify-content:center;align-items:center;min-height:100svh;display:flex}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:12px;width:320px;padding:32px;display:flex}.login-card h1{text-align:center;font-size:20px}.login-card button{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:8px;height:44px;font-weight:600}.login-card button:hover{background:var(--primary-pressed)}.app-shell{min-height:100svh;display:flex}.sidebar{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;gap:24px;width:220px;padding:20px;display:flex}.sidebar h2{font-size:16px}.sidebar nav{flex-direction:column;gap:4px;display:flex}.sidebar nav a{color:var(--text-secondary);border-radius:8px;padding:8px 12px;font-size:14px;text-decoration:none}.sidebar nav a.active{color:var(--primary);background:#e7f8ef;font-weight:600}.logout-button{border:1px solid var(--border);color:var(--danger);cursor:pointer;background:0 0;border-radius:8px;margin-top:auto;padding:8px 12px}.content{flex:1;max-width:900px;padding:32px}.center-message{min-height:100svh;color:var(--text-secondary);justify-content:center;align-items:center;display:flex}.page-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.page-header button{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:8px 16px}.form-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:10px;margin-bottom:24px;padding:20px;display:flex}.form-card input,.form-card select{border:1px solid var(--border);border-radius:6px;height:38px;padding:0 10px}.form-row{gap:10px;display:flex}.form-row input{flex:1}.checkbox-row{align-items:center;gap:8px;font-size:14px;display:flex}.form-actions{gap:8px;margin-top:4px;display:flex}.form-actions button{cursor:pointer;border-radius:6px;padding:8px 16px}.form-actions button[type=submit]{background:var(--primary);color:#fff;border:none}.form-actions button[type=button]{border:1px solid var(--border);background:0 0}.error-text{color:var(--danger);font-size:13px}table{border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:12px;width:100%;overflow:hidden}th,td{text-align:left;border-bottom:1px solid var(--border);padding:10px 14px;font-size:14px}th{color:var(--text-secondary);background:var(--bg);font-weight:600}tr:last-child td{border-bottom:none}td button{border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:6px;padding:4px 8px;font-size:13px}