:root{
  --bg:#f5f7fb;--panel:#fff;--text:#172033;--muted:#6b7280;--line:#dfe5ef;
  --primary:#0b63ce;--primary2:#084fa4;--success:#198754;--warning:#b86b00;
  --danger:#c0392b;--sidebar:#0d2a46;
}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--primary);text-decoration:none}
.app-shell{display:flex;min-height:100vh}
.sidebar{width:245px;background:var(--sidebar);color:#fff;padding:22px 16px;position:fixed;top:0;bottom:0}
.brand{display:flex;gap:12px;align-items:center;padding:0 4px 22px;border-bottom:1px solid rgba(255,255,255,.15)}
.brand-mark{font-weight:800;font-size:24px;letter-spacing:-1px}
.brand strong{display:block;font-size:14px}.brand small{opacity:.7;font-size:11px}
.sidebar nav{padding-top:18px;display:grid;gap:6px}
.sidebar nav a{color:#e8f1fb;padding:10px 12px;border-radius:8px;font-size:14px}
.sidebar nav a:hover{background:rgba(255,255,255,.09)}
.sidebar-footer{position:absolute;left:16px;right:16px;bottom:18px;font-size:12px;display:flex;justify-content:space-between}
.sidebar-footer a{color:#cfe3ff}
.main{margin-left:245px;padding:26px;width:calc(100% - 245px)}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.topbar h1{font-size:24px;margin:0}
.top-actions{display:flex;gap:8px}
.btn{display:inline-block;border:1px solid var(--line);background:#fff;color:var(--text);padding:9px 13px;border-radius:8px;font-size:13px;cursor:pointer}
.btn:hover{filter:brightness(.98)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-success{background:var(--success);border-color:var(--success);color:#fff}
.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}
.btn-sm{padding:6px 9px;font-size:12px}
.grid{display:grid;gap:16px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:0 2px 8px rgba(15,23,42,.03)}
.stat .label{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.stat .value{font-size:28px;font-weight:700;margin-top:7px}
.section-title{display:flex;justify-content:space-between;align-items:center;margin:24px 0 10px}
.section-title h2{font-size:17px;margin:0}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{padding:10px;border-bottom:1px solid var(--line);vertical-align:top;font-size:13px;text-align:left}
th{background:#f8fafc;font-size:12px;color:#4b5563}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;font-size:11px;font-weight:700;background:#edf2f7}
.badge-Draft{background:#edf2f7}.badge-Sent{background:#fff3cd;color:#795b00}
.badge-Accepted,.badge-Completed{background:#d1e7dd;color:#0f5132}
.badge-Lost,.badge-Failed{background:#f8d7da;color:#842029}
.badge-Superseded{background:#e2e3e5;color:#41464b}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group.full{grid-column:1/-1}
label{font-size:12px;font-weight:700;color:#465166}
input,select,textarea{width:100%;padding:9px 10px;border:1px solid #cfd7e3;border-radius:8px;background:#fff;font:inherit;font-size:13px}
textarea{min-height:110px;resize:vertical}
input[readonly]{background:#f3f4f6;color:#6b7280}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.alert{padding:11px 13px;border-radius:9px;margin-bottom:14px;font-size:13px}
.alert-success{background:#d1e7dd;color:#0f5132}.alert-error{background:#f8d7da;color:#842029}.alert-warning{background:#fff3cd;color:#664d03}
.muted{color:var(--muted)}.small{font-size:12px}
.kv{display:grid;grid-template-columns:160px 1fr;gap:8px 14px;font-size:13px}
.kv div:nth-child(odd){font-weight:700;color:#566173}
.quote-summary{max-width:420px;margin-left:auto}
.quote-summary .row{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid var(--line)}
.quote-summary .total{font-weight:800;font-size:17px}
.inline{display:flex;gap:8px;align-items:center}
.w-100{width:100%}.text-right{text-align:right}
.footer{color:#8a94a3;font-size:11px;margin-top:28px;text-align:center}
.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#eef4fb,#dfeaf8)}
.login-card{width:min(420px,92vw);background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;box-shadow:0 15px 40px rgba(20,40,80,.12)}
.login-card h1{margin:0 0 6px}.login-card p{margin:0 0 20px;color:var(--muted)}
.quote-items input,.quote-items select{min-width:100px}
.quote-items .desc{min-width:280px}
hr{border:0;border-top:1px solid var(--line);margin:20px 0}
@media(max-width:1000px){.grid-4{grid-template-columns:repeat(2,1fr)}.sidebar{width:205px}.main{margin-left:205px;width:calc(100% - 205px)}}
@media(max-width:760px){.sidebar{position:static;width:100%;min-height:auto}.sidebar-footer{position:static;margin-top:18px}.app-shell{display:block}.main{margin:0;width:100%;padding:16px}.grid-4,.grid-2,.form-grid{grid-template-columns:1fr}.topbar{align-items:flex-start;gap:10px}.top-actions{flex-wrap:wrap}}