*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0b1120;--surface:#151d2e;--card:#1a2332;--input:#212d3f;
  --border:#2a3a50;--text:#e2e8f0;--muted:#8899ab;--primary:#3b82f6;
  --primary-hover:#2563eb;--green:#22c55e;--red:#ef4444;--yellow:#eab308;
  --radius:10px;
}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.6}
input,select,button,textarea{font-family:inherit;font-size:inherit}
a{color:var(--primary);text-decoration:none}
code{background:var(--input);padding:1px 5px;border-radius:4px;font-size:12px;font-family:Consolas,Monaco,monospace}
.container{max-width:960px;margin:0 auto;padding:0 20px}

#login{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(145deg,#0b1120 0%,#121a2e 50%,#0b1120 100%)}
.login-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:40px;width:380px;box-shadow:0 20px 60px rgba(0,0,0,.4)}
.login-card h1{font-size:22px;font-weight:700;margin-bottom:6px;text-align:center}
.login-card p{color:var(--muted);font-size:13px;text-align:center;margin-bottom:28px}

.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:500}
.input-wrap{position:relative}
.input-wrap input,.input-wrap select,.input-wrap textarea{width:100%;background:var(--input);border:1px solid var(--border);border-radius:8px;padding:10px 14px;color:var(--text);font-size:14px;outline:none;transition:border-color .2s}
.input-wrap input:focus,.input-wrap select:focus,.input-wrap textarea:focus{border-color:var(--primary)}
.input-wrap .eye{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--muted);cursor:pointer;padding:4px;font-size:16px}
select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238899ab'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center}

.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:8px;border:none;font-size:14px;font-weight:500;cursor:pointer;transition:all .15s}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}
.btn-green{background:var(--green);color:#fff}.btn-green:hover{opacity:.9}
.btn-red{background:transparent;color:var(--red);border:1px solid var(--red)}.btn-red:hover{background:var(--red);color:#fff}
.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--border)}.btn-ghost:hover{color:var(--text);border-color:var(--muted)}
.btn-sm{padding:6px 12px;font-size:13px;border-radius:6px}
.btn-block{width:100%;justify-content:center}
.btn:disabled{opacity:.5;cursor:not-allowed}

#dashboard{display:none}
header{background:var(--surface);border-bottom:1px solid var(--border);padding:14px 0;position:sticky;top:0;z-index:50}
header .inner{display:flex;align-items:center}
header h1{font-size:17px;font-weight:700;flex:1}
header .right{display:flex;align-items:center;gap:12px}
.status{font-size:12px;padding:4px 10px;border-radius:20px;background:rgba(34,197,94,.15);color:var(--green)}
main{padding:28px 0 60px}

.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:24px}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.card-header h2{font-size:16px;font-weight:600}
.card-header .badge{font-size:12px;color:var(--muted);background:var(--input);padding:3px 10px;border-radius:12px}
.hint{font-size:12px;color:var(--muted);margin-top:4px}

.mapping-list{display:flex;flex-direction:column;gap:10px}
.mapping-item{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:16px;transition:border-color .2s}
.mapping-item:hover{border-color:var(--primary)}
.mapping-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.mapping-name{font-weight:600;font-size:15px;color:var(--primary)}
.mapping-arrow{color:var(--muted);font-size:13px}
.mapping-upstream{font-size:14px;color:var(--text)}
.mapping-meta{display:flex;gap:8px;flex-wrap:wrap}
.tag{font-size:11px;padding:2px 8px;border-radius:4px;font-weight:500}
.tag-anthropic{background:rgba(249,115,22,.15);color:#fb923c}
.tag-openai{background:rgba(16,185,129,.15);color:#34d399}
.tag-responses{background:rgba(59,130,246,.15);color:#60a5fa}
.tag-gemini{background:rgba(66,133,244,.15);color:#4285f4}
.tag-auto{background:rgba(139,92,246,.15);color:#a78bfa}
.tag-override{background:rgba(59,130,246,.1);color:var(--primary)}
.tag-instructions{background:rgba(234,179,8,.15);color:var(--yellow)}
.tag-mods{background:rgba(168,85,247,.15);color:#c084fc}
.mapping-actions{margin-left:auto;display:flex;gap:6px}
.empty{text-align:center;padding:40px;color:var(--muted)}

.stats-table{width:100%;border-collapse:collapse;font-size:13px}
.stats-table th{text-align:left;color:var(--muted);font-weight:500;padding:8px 12px;border-bottom:1px solid var(--border)}
.stats-table td{padding:8px 12px;border-bottom:1px solid var(--border)}
.stats-table tr:hover{background:var(--surface)}

.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:100;align-items:center;justify-content:center}
.modal-overlay.active{display:flex}
.modal{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:28px;width:520px;max-width:90vw;max-height:85vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.modal h3{font-size:17px;font-weight:600;margin-bottom:20px}
.modal-footer{display:flex;justify-content:flex-end;gap:10px;margin-top:24px;padding-top:16px;border-top:1px solid var(--border)}

.toast-area{position:fixed;top:20px;right:20px;z-index:200;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 20px;border-radius:8px;font-size:14px;font-weight:500;box-shadow:0 8px 24px rgba(0,0,0,.3);animation:slideIn .3s ease}
.toast-ok{background:#065f46;color:#a7f3d0}
.toast-err{background:#7f1d1d;color:#fca5a5}
@keyframes slideIn{from{transform:translateX(100px);opacity:0}to{transform:none;opacity:1}}