:root{
  --bg:#f4f6fb; --card:#fff; --ink:#16202e; --muted:#6b7888;
  --brand:#0b2545; --accent:#2563eb; --accent2:#1d4ed8;
  --green:#0f9d58; --red:#d23f3f; --line:#e6eaf1;
  --radius:12px; --shadow:0 1px 3px rgba(16,32,56,.08),0 6px 24px rgba(16,32,56,.06);
}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink)}
.wrap{max-width:980px;margin:0 auto;padding:0 20px}
a{color:var(--accent);text-decoration:none}
h1{font-size:24px;margin:.2em 0 .6em}
h2{font-size:17px;margin:.2em 0 .8em}
.muted{color:var(--muted);font-size:13px}

/* topbar */
.topbar{background:var(--brand);color:#fff;padding:14px 0;margin-bottom:26px}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between}
.brand{color:#fff;font-weight:700;font-size:19px;letter-spacing:.3px}
.brand span{font-weight:400;opacity:.7;margin-left:6px}
.topbar nav a{color:#cdd8ee;margin-left:18px;font-size:14px}
.topbar nav a:hover{color:#fff}
footer.wrap{color:var(--muted);font-size:13px;padding:30px 20px}

/* cards & forms */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:22px;margin-bottom:20px}
.card.narrow{max-width:380px;margin:8vh auto}
.head-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
label{display:block;margin:0 0 14px;font-size:13px;color:var(--muted);font-weight:600}
input,select,textarea{width:100%;margin-top:5px;padding:10px 12px;border:1px solid #cdd5e2;
  border-radius:8px;font:inherit;color:var(--ink);background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(37,99,235,.15)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
@media(max-width:640px){.grid2{grid-template-columns:1fr}}

/* buttons */
.btn{display:inline-block;cursor:pointer;border:1px solid #cdd5e2;background:#fff;color:var(--ink);
  padding:9px 16px;border-radius:8px;font:inherit;font-weight:600;font-size:14px}
.btn:hover{border-color:#9fb0c9}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent2)}
.btn.lg{padding:12px 26px;font-size:15px}
.btn.sm{padding:5px 10px;font-size:13px}
.btn.danger{color:var(--red);border-color:#eccaca}
.actions{display:flex;gap:12px;align-items:center;margin-bottom:40px}

/* alerts */
.alert{padding:14px 16px;border-radius:10px;margin-bottom:18px;font-size:14px}
.alert.ok{background:#e8f6ee;border:1px solid #b7e3c8;color:#136c38}
.alert.err{background:#fdeaea;border:1px solid #f3c2c2;color:#9b2222}
.copyrow{display:flex;gap:8px;margin-top:10px}
.copyrow input{font-family:monospace}

/* tables (admin list) */
table.list{width:100%;border-collapse:collapse}
table.list th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.4px;
  color:var(--muted);border-bottom:2px solid var(--line);padding:8px 10px}
table.list td{padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.nowrap{white-space:nowrap}
.badge{font-size:12px;font-weight:700;padding:3px 9px;border-radius:20px}
.badge.green{background:#e8f6ee;color:#0f7a3d}
.badge.red{background:#fdeaea;color:#b32626}

/* editor tables */
table.editor{width:100%;border-collapse:collapse;margin-bottom:12px}
table.editor th{text-align:left;font-size:11px;text-transform:uppercase;color:var(--muted);
  padding:4px 6px;font-weight:700}
table.editor td{padding:3px 6px}
table.editor input,table.editor select{margin-top:0;padding:8px 9px}
.w60{width:60px}.w70{width:70px}
.totalbox{display:flex;flex-direction:column;gap:4px;align-items:flex-end;margin-top:10px;
  border-top:1px dashed var(--line);padding-top:12px}
.totalbox div{display:flex;gap:18px;min-width:280px;justify-content:space-between}
.totalbox .grand{font-size:18px;border-top:1px solid var(--line);padding-top:8px;margin-top:4px}
.green{color:var(--green)}

/* ===== public proposal ===== */
body.public{background:#eef1f7;padding:30px 16px}
.proposal{max-width:760px;margin:0 auto;background:#fff;border-radius:14px;
  box-shadow:0 10px 40px rgba(16,32,56,.12);padding:42px 46px}
@media(max-width:560px){.proposal{padding:28px 22px}}
.phead{display:flex;justify-content:space-between;align-items:flex-start;
  border-bottom:3px solid var(--brand);padding-bottom:16px;margin-bottom:22px}
.brand-lg{font-size:26px;font-weight:800;color:var(--brand);letter-spacing:.5px}
.validity{text-align:right;font-size:13px;color:var(--muted)}
.validity strong{color:var(--ink)}
.ptitle{font-size:26px;margin:6px 0 18px}
.pmeta{display:flex;flex-wrap:wrap;gap:10px 30px;margin-bottom:18px}
.pmeta div{display:flex;flex-direction:column}
.pmeta span{font-size:11px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
.intro{background:#f6f8fc;border-left:3px solid var(--accent);padding:14px 16px;
  border-radius:0 8px 8px 0;margin-bottom:24px;color:#37485f}
table.proposal-table{width:100%;border-collapse:collapse;margin:8px 0 4px}
table.proposal-table th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.4px;
  color:var(--muted);border-bottom:2px solid var(--line);padding:9px 8px}
table.proposal-table td{padding:12px 8px;border-bottom:1px solid var(--line);vertical-align:top}
table.proposal-table .r{text-align:right;white-space:nowrap}
.struck{color:var(--muted);text-decoration:line-through;font-weight:400}
.tag{display:inline-block;margin-top:4px;font-size:11px;background:#eef2fb;color:#3a5bb5;
  padding:2px 8px;border-radius:6px;font-weight:600}
.summary{margin:22px 0 6px;margin-left:auto;max-width:340px}
.summary div{display:flex;justify-content:space-between;padding:7px 0;font-size:15px}
.summary .grand{border-top:2px solid var(--brand);margin-top:6px;padding-top:12px;font-size:21px;font-weight:700}
.summary .grand b{color:var(--brand)}
.opt-title{margin-top:34px;border-top:1px solid var(--line);padding-top:24px}
table.proposal-table.opt td{border-bottom:1px dashed var(--line)}
.pfoot{margin-top:34px;border-top:1px solid var(--line);padding-top:18px;font-size:13px;color:#56657a}
.pfoot p{margin:4px 0}

/* public message (expired / not found) */
.msgbox{max-width:480px;margin:14vh auto;background:#fff;border-radius:14px;
  box-shadow:0 10px 40px rgba(16,32,56,.12);padding:40px;text-align:center}
.msgbox .brand-lg{margin-bottom:18px}
.msgbox h1{color:var(--red)}

/* ===== tipos de cobrança / totais agrupados ===== */
.grand-label{font-size:13px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);
  border-top:2px solid var(--brand);margin-top:6px;padding-top:10px}
.summary .grand.sm{font-size:16px;font-weight:700;border:0;margin:0;padding:4px 0}
.summary .grand.sm b{color:var(--brand)}
.summary .opt-sum{display:flex;justify-content:space-between;padding:7px 0;color:#3a5bb5;
  border-top:1px dashed var(--line);margin-top:6px;font-size:14px}
.totalbox .grand-label{min-width:280px;text-align:right;border-top:1px solid var(--line)}
.totalbox .grand.sm{font-size:16px}

/* ===== simulador interativo (página pública) ===== */
.sim-hint{background:#fff8e6;border:1px solid #f3e2b3;color:#7a5b12;
  padding:10px 14px;border-radius:8px;font-size:13px;margin:6px 0 14px}
table.proposal-table .c{width:38px;text-align:center;padding-left:0;padding-right:0}
table.proposal-table.interactive input.tg{width:18px;height:18px;margin:0;cursor:pointer;accent-color:var(--accent)}
tr.item.off td:not(.c){color:#aab3c0;text-decoration:line-through}
tr.item.off{background:#fafbfd}
tr.item td,tr.opt-item td{transition:background .15s,color .15s}
tr.opt-item.on{background:#eef4ff}
tr.opt-item.on td{color:var(--brand)}

/* ===== ícone/logo Niertech ===== */
.brand{display:inline-flex;align-items:center;gap:9px}
.brand-ico{height:26px;width:26px;display:inline-block;vertical-align:middle;flex:0 0 auto}
.brand-lg{display:flex;align-items:center;gap:11px}
.brand-lg .brand-ico{height:36px;width:36px}
.msgbox .brand-lg{justify-content:center}

/* ===== descrição detalhada + "o que inclui" ===== */
/* editor (formulário) */
.extra-cell{background:#f6f8fc;padding:10px 12px !important;border-bottom:2px solid #e0e6f0}
.extra-cell label.mini{display:block;margin:0 0 8px;font-size:12px;color:var(--muted);font-weight:600}
.extra-cell label.mini:last-child{margin-bottom:0}
.extra-cell textarea{margin-top:4px}
/* página pública */
.item-desc{margin-top:6px;font-size:13px;color:#48586c;line-height:1.5;font-weight:400}
.inc-label{margin-top:8px;font-size:11px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted);font-weight:700}
.item-inc{margin:4px 0 2px;padding-left:18px;font-size:13px;color:#3a4a5e}
.item-inc li{margin:2px 0;line-height:1.45}

/* ===== prazo de implementação ===== */
.item-impl{margin-top:7px;display:inline-block;font-size:12px;color:#1f6f4a;
  background:#e8f6ee;border:1px solid #b7e3c8;padding:3px 10px;border-radius:6px;font-weight:600}
.item-impl strong{color:#0f7a3d}