:root{
  --bg:#0f172a; --panel:#1e293b; --panel2:#0b1322; --line:#334155;
  --txt:#e2e8f0; --muted:#94a3b8; --accent:#22c55e; --accent2:#38bdf8; --danger:#ef4444;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,"Segoe UI",sans-serif;background:var(--bg);color:var(--txt)}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
.mono{font-family:ui-monospace,Consolas,monospace}
.muted{color:var(--muted)}

/* Login */
.login-bg{min-height:100vh;display:grid;place-items:center;background:radial-gradient(900px 500px at 30% -10%,#1e3a5f,#0f172a)}
.login-card{background:var(--panel);padding:32px;border-radius:16px;width:340px;display:flex;flex-direction:column;gap:12px;box-shadow:0 20px 50px rgba(0,0,0,.45)}
.brand-big{font-size:24px;font-weight:700}
.login-card label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}
.login-card input{padding:10px;border-radius:8px;border:1px solid var(--line);background:var(--panel2);color:var(--txt)}
.login-card button{margin-top:6px;padding:11px;border:0;border-radius:8px;background:var(--accent);color:#04210f;font-weight:700;cursor:pointer}

/* App shell */
.app{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:18px 14px}
.brand{font-weight:700;font-size:18px;margin-bottom:18px}
.sidebar nav{display:flex;flex-direction:column;gap:4px;flex:1}
.sidebar nav a{color:var(--txt);padding:10px 12px;border-radius:9px;display:flex;gap:10px;align-items:center}
.sidebar nav a:hover{background:var(--panel2);text-decoration:none}
.sidebar nav a.on{background:var(--accent);color:#04210f;font-weight:600}
.user{border-top:1px solid var(--line);padding-top:12px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted)}
.content{flex:1;display:flex;flex-direction:column}
.topbar{padding:16px 28px;border-bottom:1px solid var(--line)}
.topbar h1{margin:0;font-size:20px}
.page{padding:24px 28px}

/* Flash */
.flash{padding:12px 16px;border-radius:10px;margin-bottom:14px}
.flash.ok{background:#064e3b;color:#bbf7d0}
.flash.erro{background:#7f1d1d;color:#fecaca}
.flash.info{background:#0c4a6e;color:#bae6fd;line-height:1.5}
.flash.info code{background:rgba(255,255,255,.12);padding:1px 5px;border-radius:4px}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:24px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:4px}
.card .n{font-size:24px;font-weight:700}
.card .l{color:var(--muted);font-size:13px}
.card.big{grid-column:span 2;border-color:var(--accent)}

/* Tables */
table.grid{width:100%;border-collapse:collapse;background:var(--panel);border-radius:12px;overflow:hidden}
table.grid th,table.grid td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
table.grid th{background:var(--panel2);color:var(--muted);font-weight:600}
table.grid tbody tr{cursor:pointer}
table.grid tbody tr:hover{background:var(--panel2)}

/* Badges */
.badge{padding:3px 9px;border-radius:999px;font-size:12px;font-weight:600;text-transform:capitalize}
.badge.pago{background:#064e3b;color:#bbf7d0}
.badge.emitido{background:#0c4a6e;color:#bae6fd}
.badge.pendente{background:#374151;color:#e5e7eb}
.badge.vencido{background:#78350f;color:#fed7aa}
.badge.cancelado{background:#3f3f46;color:#d4d4d8}
.badge.erro{background:#7f1d1d;color:#fecaca}

/* Forms */
.toolbar{margin-bottom:14px}
.btn{display:inline-block;background:var(--accent);color:#04210f;font-weight:600;padding:9px 16px;border-radius:9px;border:0;cursor:pointer}
.btn:hover{text-decoration:none;filter:brightness(1.05)}
.form{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:14px;max-width:760px;margin-top:14px}
.form .row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.form label{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--muted)}
.form input,.form select,.form textarea{padding:9px 11px;border-radius:8px;border:1px solid var(--line);background:var(--panel2);color:var(--txt);font-size:14px}
.form button{align-self:flex-start;background:var(--accent);color:#04210f;font-weight:700;border:0;border-radius:9px;padding:11px 22px;cursor:pointer}
.form button:disabled{opacity:.5;cursor:not-allowed}
.form-collapse summary{display:inline-block;list-style:none;margin-bottom:8px}
.form-collapse summary::-webkit-details-marker{display:none}
.form .check{flex-direction:row;align-items:center;gap:8px;color:var(--txt);font-size:14px}
.form .check input{width:auto}
.form h3{margin:6px 0 0}

/* Config de gateway por seções */
.gw-form{max-width:860px}
.cfg-sec{background:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.cfg-sec h3{margin:0 0 4px;font-size:15px}
.cfg-sec.adv{padding:0}
.cfg-sec.adv summary{cursor:pointer;padding:14px 18px;font-weight:600;font-size:15px;list-style:none}
.cfg-sec.adv summary::-webkit-details-marker{display:none}
.cfg-sec.adv summary::before{content:"▸ ";color:var(--muted)}
.cfg-sec.adv[open] summary::before{content:"▾ "}
.cfg-sec.adv .cfg-grid,.cfg-sec.adv .cfg-desc{padding:0 18px 16px}
.cfg-desc{color:var(--muted);font-size:13px;margin:0 0 12px}
.cfg-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.cfg-field{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--muted)}
.cfg-field.col-full{grid-column:1 / -1}
.cfg-field input,.cfg-field select,.cfg-field textarea{padding:9px 11px;border-radius:8px;border:1px solid var(--line);background:var(--bg);color:var(--txt);font-size:14px;width:100%}
.cfg-field input:disabled{opacity:.55}
.cfg-field textarea{resize:vertical;font-family:inherit}
.cfg-field .hint{color:var(--muted);font-size:12px;font-weight:400}
.cfg-check{display:flex;flex-direction:row;align-items:center;gap:8px;color:var(--txt);font-size:14px;align-self:end;padding-bottom:9px}
.cfg-check input{width:auto}
.with-suf{position:relative;display:flex;align-items:center}
.with-suf .suf{position:absolute;right:10px;color:var(--muted);font-size:13px;pointer-events:none}
.with-suf input{padding-right:48px}
@media(max-width:720px){.cfg-grid{grid-template-columns:1fr}}

/* Detalhe título */
.detalhe{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-bottom:18px}
.bloco{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}
.bloco h3{margin:0 0 12px}
.bloco dl{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;margin:0}
.bloco dt{color:var(--muted);font-size:13px}
.bloco dd{margin:0;font-size:14px}
.bloco .qr{width:180px;height:180px;background:#fff;border-radius:8px;padding:6px}
.bloco textarea{width:100%;background:var(--panel2);color:var(--txt);border:1px solid var(--line);border-radius:8px;padding:8px;margin-top:8px;font-size:12px}
@media(max-width:720px){.form .row{grid-template-columns:1fr}.sidebar{width:64px}.sidebar .brand,.sidebar nav a span+*,.user span{display:none}}