:root{
  --paper:#f7f5f0; --card:#ffffff; --ink:#1e1a14; --muted:#6b6357;
  --line:#e6e0d4; --brass:#8a6a1f; --brass-soft:#f3ecd9;
  --ok:#2f6b3f; --warn:#8a5a12; --bad:#8f2f2f;
  --radius:2px; --shadow:0 1px 2px rgba(30,26,20,.06), 0 8px 24px rgba(30,26,20,.05);
}
*{box-sizing:border-box}
/* Correção crítica: sem isto, .login{display:flex} e #app-view{display:flex}
   vencem o display:none do atributo [hidden] e as duas telas ficam visíveis. */
[hidden]{display:none!important}
html,body{margin:0;padding:0}
body{
  background:var(--paper); color:var(--ink);
  font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{margin:0 0 .5em;font-weight:600;letter-spacing:-.01em}
h2{font-size:19px}
h3{font-size:15px}
a{color:var(--brass)}
.muted{color:var(--muted)}
.wordmark{font-family:Georgia,"Times New Roman",serif;font-weight:700;letter-spacing:-.02em}

/* faixa metálica: assinatura visual do produto (galvanoplastia) */
.plating-bar{
  height:4px;
  background:linear-gradient(90deg,#6b4f12 0%,#c9a227 18%,#f3e3ac 34%,#c9a227 52%,#8a6a1f 70%,#e8d9a8 86%,#6b4f12 100%);
}

/* ---------- login ---------- */
/* overlay em cima de tudo: mesmo se algo escapar, cobre a tela inteira */
.login{position:fixed;inset:0;z-index:50;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--paper)}
.login-card{
  width:100%;max-width:380px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;padding:0 28px 28px;
}
.login-card .plating-bar{margin:0 -28px 26px}
.login-card h1{font-size:22px;margin-bottom:2px}
.login-sub{margin:0 0 22px;color:var(--muted);font-size:13px}
label{display:block;font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin:14px 0 5px}
input,select,textarea{
  width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;color:var(--ink);font:inherit;
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brass);outline-offset:-1px;border-color:var(--brass)}
textarea{min-height:220px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;line-height:1.5}

/* ---------- botões ---------- */
.btn{
  display:inline-block;border:1px solid var(--line);background:#fff;color:var(--ink);
  padding:8px 14px;border-radius:var(--radius);font:inherit;font-weight:500;cursor:pointer;
  transition:background .15s ease,border-color .15s ease;
}
.btn:hover{border-color:var(--brass)}
.btn-primary{background:var(--brass);border-color:var(--brass);color:#fff}
.btn-primary:hover{background:#7a5c18}
.btn-ghost{background:transparent;border-color:transparent;color:var(--muted)}
.btn-ghost:hover{color:var(--ink);border-color:var(--line)}
.btn-sm{padding:4px 9px;font-size:13px}
.btn-block{width:100%;margin-top:22px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.row-end{justify-content:flex-end}
.spacer{flex:1}

/* ---------- layout ---------- */
#app-view{display:flex;height:100vh;overflow:hidden}
.sidebar{
  width:210px;flex:0 0 210px;background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;height:100vh;
}
.brand{padding:20px 18px 14px;border-bottom:1px solid var(--line)}
.brand .wordmark{display:block;font-size:18px}
.brand-sub{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-top:2px}
#nav{display:flex;flex-direction:column;padding:10px 0;overflow-y:auto;flex:1}
.nav-item{
  display:flex;align-items:center;gap:8px;
  text-align:left;background:none;border:0;border-left:3px solid transparent;
  padding:9px 18px;font:inherit;color:var(--muted);cursor:pointer;transition:background .12s ease,color .12s ease;
}
.nav-item:hover{color:var(--ink);background:var(--brass-soft)}
.nav-item.is-active{color:var(--ink);font-weight:600;border-left-color:var(--brass);background:var(--brass-soft)}
.nav-item .label{flex:1}
/* contador de itens que pedem atenção (pendentes, conflitos) */
.nav-badge{
  min-width:18px;height:18px;padding:0 5px;border-radius:9px;
  background:var(--brass);color:#fff;font:600 11px/18px -apple-system,sans-serif;
  text-align:center;white-space:nowrap;
}
.nav-badge.alert{background:var(--bad)}
.sidebar-foot{padding:12px 14px;border-top:1px solid var(--line);display:flex;align-items:center;gap:6px;font-size:12px}
.sidebar-foot .muted{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.main{flex:1;padding:26px 30px 60px;overflow-y:auto;height:100vh;scroll-behavior:smooth}
.main > *{max-width:1150px}
/* cabeçalho de seção: gruda no topo ao rolar, mantendo título e botões à vista */
.head{
  display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;
  position:sticky;top:0;z-index:6;
  margin:-26px -30px 18px;padding:20px 30px 12px;
  background:var(--paper);border-bottom:1px solid var(--line);
}
.head h2{margin:0}
.head .muted{font-size:13px}

/* estado de carregamento */
.loading{display:flex;align-items:center;justify-content:center;gap:10px;padding:60px 0;color:var(--muted)}
.spinner{
  width:20px;height:20px;border:2px solid var(--line);border-top-color:var(--brass);
  border-radius:50%;animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* transição suave ao trocar de aba */
.view-fade{animation:fadeUp .22s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}

/* skeleton de linhas enquanto a tabela não chega (reservado para uso futuro) */
.skel{height:12px;border-radius:3px;background:linear-gradient(90deg,var(--line) 25%,#efe9dd 37%,var(--line) 63%);background-size:400% 100%;animation:shimmer 1.4s ease infinite}
@keyframes shimmer{0%{background-position:100% 0}100%{background-position:0 0}}

/* ---------- cards / grid ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin-bottom:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px;margin-bottom:16px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.stat .k{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.stat .v{font:700 24px/1.2 Georgia,serif;margin-top:4px}
.stat .s{font-size:12px;color:var(--muted);margin-top:2px}
.stat.accent{background:var(--brass-soft);border-color:var(--brass)}
.stat.accent .v{color:var(--brass)}

/* ---------- tabelas ---------- */
table{width:100%;border-collapse:collapse;font-size:14px}
th{
  text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);
  font-weight:600;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap;
}
td{padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:#fbfaf7}
.table-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow-x:auto}
.check{width:28px}
.term{font-weight:500}
.rationale{color:var(--muted);font-size:12.5px;display:block;margin-top:2px}

.tag{display:inline-block;font-size:11px;padding:1px 7px;border:1px solid var(--line);border-radius:999px;color:var(--muted);white-space:nowrap}
.tag.ok{color:var(--ok);border-color:#bcd6c3}
.tag.warn{color:var(--warn);border-color:#e2cd9a;background:var(--brass-soft)}
.tag.bad{color:var(--bad);border-color:#e0bcbc}

.empty{padding:34px;text-align:center;color:var(--muted);font-size:14px}
.error{color:var(--bad);font-size:13px;margin-top:12px}
.shake{animation:shake .32s ease}
@keyframes shake{0%,100%{transform:none}20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}
.warnbox{background:var(--brass-soft);border:1px solid var(--brass);padding:12px 14px;border-radius:var(--radius);margin-bottom:14px;font-size:13.5px}

/* ---------- criativos ---------- */
.creative{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:13px 15px;margin-bottom:10px}
.creative-meta{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:6px}
.creative-body{white-space:pre-wrap;margin-bottom:10px}
.stars{display:inline-flex;gap:2px}
.star{background:none;border:0;cursor:pointer;font-size:17px;line-height:1;color:var(--line);padding:0 1px}
.star.on{color:var(--brass)}

/* ---------- chat ---------- */
.chat-log{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;min-height:340px;max-height:58vh;overflow-y:auto;margin-bottom:12px}
.msg{margin-bottom:14px;max-width:80%}
.msg .who{font-size:11px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);margin-bottom:3px}
.msg .bubble{white-space:pre-wrap;padding:10px 13px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.msg.me{margin-left:auto}
.msg.me .bubble{background:var(--brass-soft);border-color:#e2cd9a}
.chat-form{display:flex;gap:8px}
.chat-form input{flex:1}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:26px;transform:translateX(-50%);
  background:var(--ink);color:#fff;padding:11px 18px;border-radius:var(--radius);
  font-size:14px;box-shadow:var(--shadow);z-index:99;max-width:88vw;
  animation:toastIn .25s ease;
}
@keyframes toastIn{from{opacity:0;transform:translate(-50%,8px)}to{opacity:1;transform:translate(-50%,0)}}

@media (max-width:820px){
  #app-view{flex-direction:column;height:auto;overflow:visible}
  .sidebar{width:100%;flex:none;height:auto;position:sticky;top:0;z-index:20;flex-direction:column;box-shadow:var(--shadow)}
  .brand{border-bottom:1px solid var(--line);padding:12px 16px}
  #nav{flex-direction:row;flex-wrap:nowrap;overflow-x:auto;padding:4px 6px;-webkit-overflow-scrolling:touch}
  .nav-item{border-left:0;border-bottom:2px solid transparent;padding:8px 12px;white-space:nowrap}
  .nav-item.is-active{border-left:0;border-bottom-color:var(--brass)}
  .nav-item .badge-slot:empty{display:none}
  .sidebar-foot{border-top:1px solid var(--line);width:100%}
  .main{height:auto;overflow:visible;padding:18px 16px 50px}
  .main > *{max-width:none}
  .head{position:static;margin:0 -16px 16px;padding:0 16px 12px}
  th{position:static}
  .msg{max-width:94%}
}
@media (prefers-reduced-motion:reduce){
  .view-fade,.spinner,.skel,.shake,.toast{animation:none!important}
  .main{scroll-behavior:auto}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}