/* ============================================================
   OaaS — Design System (Chatbot AI Pro)
   Folha compartilhada por index.html, login.html e professional.html.
   Objetivo: padronizar cores, tipografia, componentes e feedback visual
   (visual profissional de SaaS), SEM alterar a estrutura/lógica das telas.

   Carregada sempre por ÚLTIMO no <head> para vencer o CSS inline e (com
   !important pontual) as utilidades do Tailwind CDN usadas no painel.
   ============================================================ */

:root {
  /* Superfícies */
  --bg-app: #0b1220;
  --bg-app-2: #0f172a;
  --surface: #1e293b;
  --surface-2: #172033;
  --border: #2b3950;
  --border-strong: #3b4d69;

  /* Texto */
  --text: #e6edf7;
  --text-muted: #93a4bd;
  --text-dim: #64748b;

  /* Marca (accent) — sóbrio e profissional */
  --brand: #6366f1;
  --brand-2: #8b5cf6;
  --brand-soft: rgba(99, 102, 241, 0.14);
  --focus: rgba(129, 140, 248, 0.55);

  /* Semântica */
  --ok: #34d399;
  --warn: #fbbf24;
  --danger: #f87171;
  --info: #60a5fa;

  /* Formas/elevação */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-pill: 999px;
  --shadow-1: 0 1px 2px rgba(0, 0, 0, .25);
  --shadow-2: 0 10px 30px rgba(0, 0, 0, .35);
  --shadow-3: 0 20px 60px rgba(0, 0, 0, .45);
  --ring: 0 0 0 3px var(--focus);

  --font: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* ---------- Base ---------- */
.oaas-app, .oaas-page { color: var(--text); font-family: var(--font); }
.oaas-page { min-height: 100vh; background: var(--bg-app); }

/* Fundo do painel: gradiente sutil em vez de cor chapada (mais "produto"). */
body.bg-slate-900 {
  background:
    radial-gradient(1200px 600px at 12% -10%, rgba(99, 102, 241, .16), transparent 60%),
    radial-gradient(900px 500px at 110% 0%, rgba(139, 92, 246, .12), transparent 55%),
    var(--bg-app) !important;
  color: var(--text);
}

::selection { background: rgba(99, 102, 241, .35); }

/* Scrollbar discreta (painel moderno) */
* { scrollbar-width: thin; scrollbar-color: #334155 transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb { background: #334155; border-radius: 999px; border: 3px solid transparent; background-clip: content-box; }
*::-webkit-scrollbar-thumb:hover { background: #475569; background-clip: content-box; }

/* Foco acessível e consistente */
:where(input, select, textarea, button, a):focus-visible {
  outline: none;
  box-shadow: var(--ring) !important;
  border-color: var(--brand) !important;
}

/* ---------- Header do painel ---------- */
header.gradient-bg {
  background: linear-gradient(135deg, #1a2236 0%, #111827 60%, #0b1220 100%) !important;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-2);
}
header.gradient-bg h1 { letter-spacing: -0.02em; }
header.gradient-bg p { color: var(--text-muted) !important; }

/* Barra de navegação: container mais limpo */
.desktop-nav .glass-effect {
  background: rgba(23, 32, 51, .72) !important;
  border: 1px solid var(--border) !important;
  border-radius: var(--radius-lg) !important;
}

/* Abas (pills) consistentes */
.tab-btn {
  background: transparent !important;
  border: 1px solid transparent !important;
  color: var(--text-muted) !important;
  border-radius: var(--radius) !important;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease !important;
}
.tab-btn:hover {
  background: var(--brand-soft) !important;
  color: var(--text) !important;
  border-color: var(--border) !important;
}
.tab-btn.active {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%) !important;
  color: #fff !important;
  border-color: transparent !important;
  box-shadow: 0 6px 20px rgba(99, 102, 241, .35) !important;
}

/* ---------- Cartões/superfícies ---------- */
.card-gradient {
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%) !important;
  border: 1px solid var(--border) !important;
}
.glass-effect {
  background: rgba(23, 32, 51, .72) !important;
  border: 1px solid var(--border) !important;
  backdrop-filter: blur(10px);
}

/* Componentes utilitários (novos usos/refinos futuros) */
.oaas-card {
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}
.oaas-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid transparent; border-radius: var(--radius);
  padding: 10px 16px; font-size: 14px; font-weight: 600; cursor: pointer;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff; transition: filter .18s ease, opacity .18s ease;
}
.oaas-btn:hover { filter: brightness(1.08); }
.oaas-btn:disabled { opacity: .6; cursor: wait; }
.oaas-btn.ghost { background: #334155; }
.oaas-btn.danger { background: linear-gradient(135deg, #ef4444, #b91c1c); }
.oaas-badge {
  display: inline-block; padding: 3px 10px; border-radius: var(--radius-pill);
  background: #334155; color: #cbd5e1; font-size: 11px; font-weight: 600;
}
.oaas-badge.ok { background: rgba(52, 211, 153, .15); color: var(--ok); }
.oaas-badge.warn { background: rgba(251, 191, 36, .15); color: var(--warn); }
.oaas-badge.danger { background: rgba(248, 113, 113, .15); color: var(--danger); }

/* ---------- Toasts (feedback não-bloqueante) ---------- */
#oaas-toast-host {
  position: fixed; top: 18px; right: 18px; z-index: 10000;
  display: flex; flex-direction: column; gap: 10px; max-width: min(92vw, 380px);
  pointer-events: none;
}
.oaas-toast {
  pointer-events: auto;
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border-strong);
  border-left: 4px solid var(--brand);
  border-radius: var(--radius);
  box-shadow: var(--shadow-3);
  padding: 12px 14px; font-size: 13.5px; line-height: 1.45;
  animation: oaas-toast-in .18s ease both;
  white-space: pre-line;
}
.oaas-toast.ok { border-left-color: var(--ok); }
.oaas-toast.warn { border-left-color: var(--warn); }
.oaas-toast.error { border-left-color: var(--danger); }
.oaas-toast.info { border-left-color: var(--info); }
@keyframes oaas-toast-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* ---------- Telas dedicadas (login / profissional) ---------- */
.oaas-auth {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 16px;
  background:
    radial-gradient(1000px 500px at 15% -10%, rgba(99, 102, 241, .18), transparent 60%),
    radial-gradient(800px 500px at 110% 10%, rgba(139, 92, 246, .14), transparent 55%),
    var(--bg-app);
  color: var(--text); font-family: var(--font);
}
.oaas-auth-card {
  width: 100%; max-width: 400px;
  background: linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 34px 30px; box-shadow: var(--shadow-3);
}
.oaas-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.oaas-logo {
  width: 42px; height: 42px; border-radius: 12px; flex: 0 0 auto;
  display: grid; place-items: center; font-weight: 800; color: #fff;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 8px 22px rgba(99, 102, 241, .35);
}
.oaas-title { font-size: 19px; font-weight: 700; letter-spacing: -0.02em; }
.oaas-sub { color: var(--text-muted); font-size: 13px; margin-top: 2px; }
.oaas-label { display: block; font-size: 12px; color: var(--text-muted); margin: 0 0 6px; font-weight: 500; }
.oaas-input {
  width: 100%; background: var(--bg-app-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 11px 12px; color: #fff; font-size: 14px;
  outline: none; transition: border-color .15s ease, box-shadow .15s ease;
}
.oaas-input::placeholder { color: var(--text-dim); }
.oaas-field { margin-bottom: 14px; }
.oaas-error { color: var(--danger); font-size: 13px; min-height: 18px; margin-bottom: 6px; }
.oaas-foot { margin-top: 18px; text-align: center; color: var(--text-dim); font-size: 11.5px; }
.oaas-btn-block { width: 100%; padding: 12px; font-size: 14px; }

/* Layout auxiliar (login/profissional) */
.oaas-wrap { max-width: 760px; margin: 0 auto; padding: 20px 16px 40px; }
.oaas-topbar { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.oaas-who { font-size: 14px; color: #cbd5e1; }
.oaas-who b { color: #fff; }
.oaas-section-sub { color: var(--text-muted); font-size: 13px; margin-bottom: 14px; }
.oaas-hr { height: 1px; background: var(--border); margin: 16px 0; }
.oaas-hidden { display: none !important; }
.oaas-empty { color: var(--text-dim); font-size: 13px; text-align: center; padding: 20px 0; }
.oaas-aviso {
  background: rgba(251, 191, 36, .10); border: 1px solid rgba(251, 191, 36, .45);
  color: #fde68a; border-radius: var(--radius); padding: 10px 12px; font-size: 13px; margin-bottom: 14px;
}
.oaas-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.oaas-table th { text-align: left; color: var(--text-muted); font-size: 12px; font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.oaas-table td { padding: 10px; border-bottom: 1px solid rgba(43, 57, 80, .6); }
.oaas-ok { color: var(--ok); } .oaas-pend { color: var(--warn); }

/* ============================================================
   INTERIOR DAS ABAS (painel) — refinos aditivos.
   Escopados em .tab-content (cada painel de aba) e com especificidade
   maior que as utilidades do Tailwind, para padronizar cards, formulários
   e tabelas SEM alterar HTML/JS/IDs.
   ============================================================ */

/* Cards/superfícies internas (div.*) */
.tab-content div.bg-slate-800\/50,
.tab-content div.bg-slate-800,
.tab-content div.bg-slate-700\/50,
.tab-content section.bg-slate-800\/50 {
  background: linear-gradient(180deg, rgba(30, 41, 59, .55) 0%, rgba(23, 32, 51, .55) 100%);
  border-color: var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}

/* Formulários: inputs/selects/textareas consistentes */
.tab-content input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="file"]),
.tab-content select,
.tab-content textarea {
  background: var(--bg-app-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: #fff;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.tab-content input:not([type="checkbox"]):not([type="radio"]):focus,
.tab-content select:focus,
.tab-content textarea:focus {
  border-color: var(--brand);
  box-shadow: var(--ring);
  outline: none;
}
.tab-content input::placeholder,
.tab-content textarea::placeholder { color: var(--text-dim); }
.tab-content input[type="checkbox"],
.tab-content input[type="radio"] { accent-color: var(--brand); }

/* Labels */
.tab-content label { color: var(--text-muted); }

/* Botão primário (gradiente da marca) dentro das abas */
.tab-content .gradient-bg {
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-2) 100%);
  box-shadow: 0 8px 22px rgba(99, 102, 241, .28);
}
.tab-content .gradient-bg:hover { filter: brightness(1.08); }

/* Botões secundários (slate) — borda sutil e hover consistente */
.tab-content button.bg-slate-700,
.tab-content button.bg-slate-800 {
  border: 1px solid var(--border-strong);
  transition: background .15s ease, border-color .15s ease, color .15s ease;
}
.tab-content button.bg-slate-700:hover { background: #475569 !important; }
.tab-content button.bg-slate-800:hover { background: #334155 !important; }

/* Tabelas de dados */
.tab-content table { width: 100%; border-collapse: separate; border-spacing: 0; }
.tab-content table th {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.tab-content table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(43, 57, 80, .6);
  vertical-align: middle;
}
.tab-content table tbody tr { transition: background .12s ease; }
.tab-content table tbody tr:hover { background: rgba(99, 102, 241, .06); }

/* Títulos de seção sem classe utilitária ganham hierarquia consistente */
.tab-content h2 { letter-spacing: -0.02em; }
.tab-content h3 { letter-spacing: -0.01em; }

/* Barra de filtros/sublinhas (CRM etc.) mais uniforme */
.tab-content .crm-filter { border: 1px solid var(--border-strong); }
.tab-content .crm-filter.active { background: linear-gradient(135deg, var(--brand), var(--brand-2)) !important; color: #fff !important; }

/* ============================================================
   FASE 5 — App shell (mobile-first)
   Barra de abas inferior fixa no celular (visual de app),
   nav superior com rolagem horizontal no desktop, transições
   suaves entre abas. Tudo aditivo: nenhum ID/handler alterado.
   ============================================================ */

/* Transição de aba (fade + elevação sutil ao trocar) */
.tab-content.active { animation: oaas-tab-in .22s ease both; }
@keyframes oaas-tab-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- Barra de abas inferior (somente celular) ---------- */
#oaas-tabbar { display: none; }
@media (max-width: 767px) {
  #oaas-tabbar {
    display: flex;
    align-items: center;
    gap: 4px;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 60;
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom, 0px));
    background: rgba(13, 20, 36, .94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid var(--border);
    box-shadow: 0 -8px 30px rgba(0, 0, 0, .45);
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scrollbar-width: none;
  }
  #oaas-tabbar::-webkit-scrollbar { display: none; }

  #oaas-tabbar .tab-btn {
    flex: 0 0 auto;
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    min-width: 54px;
    padding: 6px 9px !important;
    font-size: 10px !important;
    line-height: 1.1;
    border-radius: 12px !important;
    color: var(--text-muted) !important;
    background: transparent !important;
    border: 1px solid transparent !important;
    box-shadow: none !important;
  }
  #oaas-tabbar .tab-btn svg { width: 20px; height: 20px; flex: 0 0 auto; }
  #oaas-tabbar .tab-btn span { white-space: nowrap; }
  #oaas-tabbar .tab-btn:active { transform: scale(.95); }
  #oaas-tabbar .tab-btn.active {
    color: #fff !important;
    background: linear-gradient(135deg, var(--brand), var(--brand-2)) !important;
    border-color: transparent !important;
    box-shadow: 0 4px 16px rgba(99, 102, 241, .4) !important;
  }

  /* Menu gaveta antigo e botão hambúrguer viram redundantes
     (elementos permanecem no DOM — todos os listeners ficam válidos). */
  #mobile-menu-btn { display: none !important; }
  #mobile-nav { display: none !important; }

  /* Espaçamento para não cobrir conteúdo com a barra fixa */
  main.container { padding-bottom: 104px; }
  /* Densidade de app no celular */
  main.container > .card-gradient { padding: 16px; border-radius: var(--radius); }
}

/* ---------- Nav superior no desktop: alinhado ao conteúdo + abas visíveis ------ */
/* A barra usa o MESMO .container do conteúdo (mesmas margens dos cards), a caixa
   interna preenche a largura toda e as abas ficam CENTRADAS — ocupando a largura
   sem encolher o texto (tamanho padrão).
   ANTES: flex-wrap: nowrap + overflow-x: auto (scrollbar escondida) empurrava a
   última aba ("Resultados") para fora da tela. Se a tela for estreita demais, as
   abas quebram para outra linha — nada some. */
@media (min-width: 768px) {
  /* .desktop-nav é display:flex (estilo inline do painel) → a caixa interna era
     um FLEX ITEM que encolhia ao conteúdo e ficava ancorada à ESQUERDA. flex:1
     faz a caixa ocupar a largura do container e o conteúdo fica CENTRADO. */
  .desktop-nav > div {
    flex: 1 1 auto !important;
    width: 100% !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
    overflow-x: visible;
    gap: 4px !important;
  }
  /* Só as margens laterais ficam um pouco mais justas p/ as 10 abas caberem
     numa linha na largura do conteúdo. O TAMANHO DA FONTE permanece padrão. */
  .desktop-nav .tab-btn {
    white-space: nowrap;
    flex: 0 0 auto;
    padding-left: 12px !important;
    padding-right: 12px !important;
  }
}

/* Simulador de conversa: profundidade de app real */
#chat-container { box-shadow: var(--shadow-2); }
#chat-messages { scrollbar-width: thin; }