:root{
  --bg:#f4f1ec; --panel:#ffffff; --ink:#1c1a17; --mid:#6b6660; --line:#ddd6cc;
  --primary:#c85a1e; --primary-d:#a8481400; --primary-dark:#a84814;
  --mo:#2f5fa8; --mo-bg:#dbe6f7; --eq:#2e7d4f; --eq-bg:#dceee0; --mp:#8a5a2b; --mp-bg:#f1e3d2;
  --ok:#2e7d4f; --err:#c0392b; --radius:10px;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --sans:"IBM Plex Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--sans);background:var(--bg);color:var(--ink);font-size:14px}
h1,h2,h3{margin:0}
a{color:var(--primary)}

/* ---------- Auth ---------- */
.auth-bg{display:flex;min-height:100vh;align-items:center;justify-content:center;background:linear-gradient(135deg,#efe9e0,#e3d9cb)}
.auth-card{background:var(--panel);padding:32px;border-radius:14px;box-shadow:0 8px 30px rgba(0,0,0,.12);width:340px;border-top:4px solid var(--primary)}
.auth-logo{color:var(--primary);font-size:26px;letter-spacing:.5px}
.auth-sub{color:var(--mid);margin:4px 0 18px}
.tabs-auth{display:flex;gap:6px;margin-bottom:16px}
.tab-auth{flex:1;padding:8px;border:1px solid var(--line);background:#faf7f2;border-radius:8px;cursor:pointer}
.tab-auth.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.auth-form label{display:block;margin-bottom:12px;font-size:12px;color:var(--mid)}
.auth-form input{width:100%;margin-top:4px;padding:9px;border:1px solid var(--line);border-radius:8px;font-size:14px}
.hint{font-size:11px;color:var(--mid);margin-top:8px}
.msg{padding:9px 12px;border-radius:8px;margin-bottom:14px;font-size:13px}
.msg-err{background:#fbe4e1;color:var(--err)} .msg-ok{background:#dcefe0;color:var(--ok)}

/* ---------- Layout ---------- */
.topbar{display:flex;align-items:center;gap:4px;background:var(--panel);border-bottom:1px solid var(--line);padding:6px 14px;position:sticky;top:0;z-index:20}
.brand{font-weight:700;color:var(--primary);margin-right:18px;white-space:nowrap}
.tab{padding:7px 12px;border:1px solid transparent;background:none;border-radius:8px;cursor:pointer;color:var(--mid);font-size:13px}
.tab:hover{background:#f2ede6}
.tab.active{background:#f2ede6;color:var(--ink);border-color:var(--line)}
.spacer{flex:1}
.user-chip{font-size:12px;color:var(--mid);display:flex;align-items:center;gap:8px}
.role-badge{background:#f1e3d2;color:var(--mp);padding:2px 7px;border-radius:6px;font-size:11px;text-transform:uppercase}

.wrap{padding:16px;max-width:1280px;margin:0 auto}
.calc-grid{display:grid;grid-template-columns:320px 1fr;gap:16px;align-items:start}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px;margin-bottom:14px}
.panel h3{font-size:11px;text-transform:uppercase;letter-spacing:.7px;color:var(--mid);margin-bottom:8px}
.field{margin-bottom:10px}
.field label{display:block;font-size:11px;color:var(--mid);text-transform:uppercase;letter-spacing:.5px;margin-bottom:3px}
input,textarea,select{font-family:var(--sans);font-size:13px;padding:7px 8px;border:1px solid var(--line);border-radius:7px;width:100%;background:#fff}
input[type=number]{font-family:var(--mono);text-align:right}
textarea{resize:vertical;min-height:60px}
input:disabled,textarea:disabled{background:#f6f3ee;color:var(--mid)}

/* ---------- Botões ---------- */
.btn{padding:9px 12px;border:1px solid var(--line);background:#fff;border-radius:8px;cursor:pointer;font-size:13px;display:inline-flex;gap:6px;align-items:center;justify-content:center}
.btn:hover{background:#f6f3ee}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark)}
.btn-danger{background:var(--err);color:#fff;border-color:var(--err)}
.btn-ok{background:var(--ok);color:#fff;border-color:var(--ok)}
.btn-sm{padding:5px 9px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.w-full{width:100%}
.stack>*{margin-bottom:8px}

/* ---------- KPI cards ---------- */
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:14px}
.kpi{border-radius:var(--radius);padding:12px 14px;border:1px solid var(--line)}
.kpi .lbl{font-size:10px;text-transform:uppercase;letter-spacing:.6px;color:var(--mid)}
.kpi .val{font-family:var(--mono);font-size:20px;font-weight:600;margin-top:6px}
.kpi-mo{background:var(--mo-bg)} .kpi-mo .val{color:var(--mo)}
.kpi-eq{background:var(--eq-bg)} .kpi-eq .val{color:var(--eq)}
.kpi-mp{background:var(--mp-bg)} .kpi-mp .val{color:var(--mp)}
.kpi-pc{background:#fff;border:2px solid var(--primary)} .kpi-pc .val{color:var(--primary);font-size:23px}

/* ---------- Secções de tabela ---------- */
.sec{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden}
.sec-head{display:flex;align-items:center;justify-content:space-between;padding:9px 12px;color:#fff;font-weight:600}
.sec-mo .sec-head{background:var(--mo)} .sec-eq .sec-head{background:var(--eq)} .sec-mp .sec-head{background:var(--mp)}
.sec-head .tot{font-family:var(--mono)}
table.lines{width:100%;border-collapse:collapse;font-size:12.5px}
table.lines th{text-align:right;color:var(--mid);font-weight:600;padding:7px 8px;border-bottom:1px solid var(--line);font-size:11px}
table.lines th:first-child{text-align:left}
table.lines td{padding:4px 8px;border-bottom:1px solid #f0ebe3}
table.lines td:first-child{text-align:left}
table.lines td.r,table.lines th.r{text-align:right}
table.lines input{padding:4px 6px;border-color:transparent;background:transparent}
table.lines input:focus{border-color:var(--line);background:#fff}
.num{font-family:var(--mono);text-align:right}
.muted{color:var(--mid)}
.addrow td{padding:8px}
.addrow input{background:#faf7f2;border:1px dashed var(--line)}
.sub-row td{background:#faf7f2;font-weight:600;font-family:var(--mono)}
.row-del{color:var(--err);cursor:pointer;background:none;border:none;font-size:16px;line-height:1}

/* ---------- Decomposição ---------- */
.decomp .ln{display:flex;justify-content:space-between;padding:4px 0;font-family:var(--mono);font-size:13px}
.decomp .ln span:first-child{font-family:var(--sans)}
.decomp .sep{border-top:1px solid var(--line);margin:4px 0}
.decomp .total{font-weight:700;color:var(--primary);font-size:15px}
.decomp .dev{color:var(--mp)}

/* ---------- Tabelas gerais ---------- */
table.grid{width:100%;border-collapse:collapse;background:#fff;font-size:13px}
table.grid th{background:#f2ede6;text-align:left;padding:9px;border-bottom:1px solid var(--line);font-size:12px}
table.grid td{padding:8px 9px;border-bottom:1px solid #f0ebe3}
table.grid tr:hover td{background:#faf7f2}

/* ---------- Comparar ---------- */
.cmp-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cmp-cheaper{background:#dcefe0} .cmp-pricier{background:#fbe4e1}
.legend{text-align:center;color:var(--mid);font-size:12px;margin-top:8px}

/* ---------- Misc ---------- */
.row{display:flex;gap:8px;align-items:center}
.toast{position:fixed;bottom:20px;right:20px;background:var(--ink);color:#fff;padding:12px 16px;border-radius:8px;z-index:99;opacity:0;transition:.3s;font-size:13px}
.toast.show{opacity:1}
.empty{text-align:center;color:var(--mid);padding:40px}
.bar{height:26px;border-radius:6px;display:flex;align-items:center;padding:0 8px;color:#fff;font-family:var(--mono);font-size:12px}
@media(max-width:980px){.calc-grid{grid-template-columns:1fr}.kpis{grid-template-columns:repeat(2,1fr)}.cmp-grid{grid-template-columns:repeat(2,1fr)!important}}
@media(max-width:600px){.cmp-grid{grid-template-columns:1fr!important}}