:root{--bg:#f6f7f9;--panel:#fff;--ink:#18202a;--muted:#677281;--line:#dfe4ea;--brand:#0f766e;--brand-dark:#115e59;--danger:#b42318}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font-family:Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.login-shell{background:linear-gradient(135deg,#f6f7f9 0%,#e6f2ef 100%);place-items:center;min-height:100vh;padding:24px;display:grid}.login-card{background:var(--panel);border:1px solid var(--line);border-radius:8px;width:min(420px,100%);padding:28px;box-shadow:0 20px 60px #18202a14}.login-card h1,.page-title h1{letter-spacing:0;margin:0;font-size:28px}.muted{color:var(--muted)}.form{gap:14px;display:grid}.field{gap:6px;display:grid}.field label{color:var(--muted);font-size:13px;font-weight:700}.input,.select,.textarea{border:1px solid var(--line);width:100%;min-height:42px;color:var(--ink);background:#fff;border-radius:6px;padding:10px 12px}.textarea{resize:vertical;min-height:84px}.btn{cursor:pointer;border:1px solid #0000;border-radius:6px;justify-content:center;align-items:center;gap:8px;min-height:40px;padding:9px 14px;font-weight:700;display:inline-flex}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark)}.btn-ghost{border-color:var(--line);color:var(--ink);background:#fff}.btn-danger{color:var(--danger);background:#fff;border-color:#f2c7c2}.error{color:var(--danger);font-size:14px}.layout{grid-template-columns:260px 1fr;min-height:100vh;display:grid}.sidebar{color:#f9fafb;background:#111827;flex-direction:column;gap:22px;padding:20px;display:flex}.brand{font-size:20px;font-weight:800}.nav{gap:6px;display:grid}.nav a,.nav button{color:#d1d5db;cursor:pointer;text-align:left;background:0 0;border:0;border-radius:6px;align-items:center;gap:10px;min-height:40px;padding:10px 12px;display:flex}.nav a:hover,.nav button:hover{color:#fff;background:#1f2937}.content{align-content:start;gap:22px;padding:28px;display:grid}.page-title{justify-content:space-between;align-items:center;gap:16px;display:flex}.stats{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;display:grid}.stat{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:18px}.stat strong{font-size:26px;display:block}.surface{background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden}.toolbar{border-bottom:1px solid var(--line);justify-content:space-between;gap:12px;padding:16px;display:flex}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%}th,td{border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;padding:13px 16px}th{color:var(--muted);text-transform:uppercase;font-size:12px}.actions{gap:8px;display:flex}.drawer{border-top:1px solid var(--line);padding:16px}.ss-wrap{position:relative}.ss-dropdown{border:1px solid var(--line);z-index:50;background:#fff;border-radius:6px;max-height:220px;display:grid;position:absolute;top:calc(100% + 4px);left:0;right:0;overflow-y:auto;box-shadow:0 8px 24px #18202a1f}.ss-option{text-align:left;cursor:pointer;color:var(--ink);background:0 0;border:0;padding:10px 12px;font-size:14px}.ss-option:hover{background:var(--bg)}.ss-selected{color:var(--brand);background:#e6f2ef;font-weight:600}.ss-clear{color:var(--muted);border-bottom:1px solid var(--line)}.ss-empty{color:var(--muted);padding:10px 12px;font-size:14px;font-style:italic}@media (max-width:820px){.layout{grid-template-columns:1fr}.sidebar{z-index:2;position:sticky;top:0}.stats{grid-template-columns:1fr 1fr}.page-title{flex-direction:column;align-items:flex-start}}