:root{
  --bg:#0b0f12; --panel:#0f1417; --muted:#95a1a8; --accent:#6be3b0; --danger:#ff6b6b; --glass: rgba(255,255,255,0.03);
}
*{box-sizing:border-box;font-family:Inter,Segoe UI,Roboto,Arial,sans-serif}
html,body{height:100%;margin:0;background:linear-gradient(180deg,#071017 0%,#071217 100%);color:#e6eef0}
.page-center{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;margin:0;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);z-index:1;width:100%;}
.container{max-width:1000px;margin:40px auto;padding:20px;background:var(--panel);border-radius:10px;box-shadow:0 6px 30px rgba(0,0,0,0.6)}
h1{margin:0 0 16px;font-weight:600}
.muted{color:var(--muted)}
.login{width:100%;max-width:420px;margin:0 auto;padding:28px;background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));backdrop-filter: blur(6px);border-radius:12px;box-shadow:0 8px 30px rgba(0,0,0,0.6);display:flex;flex-direction:column;align-items:center}

.login .row{width:100%;justify-content:center}

.login input{width:80%;margin:6px auto}
.login button{margin:12px auto}
input,select,button{background:#071217;border:1px solid rgba(255,255,255,0.04);color:inherit;padding:10px;border-radius:8px}
button{cursor:pointer}
table{width:100%;border-collapse:collapse;margin-top:16px}
th,td{padding:8px;border-bottom:1px solid rgba(255,255,255,0.03);text-align:left}
th{color:var(--muted);font-size:13px}
.profit-positive{color:var(--accent);font-weight:600}
.profit-negative{color:var(--danger);font-weight:600}
.small{font-size:13px}
.row{display:flex;gap:8px;align-items:center}
.flex{display:flex;gap:8px}
.spacer{flex:1}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,0.04);padding:8px 12px;border-radius:8px}

/* Modal */
.modal-backdrop{position:fixed;inset:0;background:rgba(2,6,8,0.6);display:none;align-items:center;justify-content:center;z-index:60}
.modal{background:var(--panel);padding:18px;border-radius:10px;max-width:720px;width:100%;box-shadow:0 10px 40px rgba(0,0,0,0.8)}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.components-list{max-height:260px;overflow:auto;border:1px solid rgba(255,255,255,0.03);padding:8px;border-radius:8px;background:rgba(255,255,255,0.01)}
.component-row{display:flex;align-items:center;gap:8px;padding:6px;border-bottom:1px dashed rgba(255,255,255,0.02)}
.component-row:last-child{border-bottom:none}
.component-name{flex:1}
.qty-input{width:80px}
.modal-show{display:flex}