:root{
  --color-bg: #F8F5EF;           /* marfim — plano de fundo */
  --color-bg-alt: #ffffff;       /* cartões / superfícies */
  --color-navy: #1F355E;         /* azul profundo — cor principal */
  --color-navy-2: #2A4373;
  --color-gold: #D4AF37;         /* dourado suave — botões, destaques */
  --color-gold-light: #e3c669;
  --color-sage: #6F8A7D;         /* verde sálvia — detalhes, positivo */
  --color-text: #1F355E;
  --color-text-muted: #6E6E6E;   /* cinza quente — nunca preto puro */
  --color-border: rgba(31,53,94,0.14);
  --radius: 18px;
  --font-display: 'Fraunces', 'Georgia', serif;
  --font-main: 'Inter', -apple-system, sans-serif;
}

html, body{ height:100%; margin:0; }

*{ box-sizing:border-box; }

button{
  font-family: var(--font-main);
  font-weight: 600;
  letter-spacing: 0.01em;
}
button:focus-visible, input:focus-visible, a:focus-visible{
  outline: 2px solid var(--color-gold-light);
  outline-offset: 2px;
}

body{
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  display:flex;
  flex-direction:column;
}

a{ color: var(--color-navy-2); text-decoration:none; }
a:hover{ text-decoration:underline; }

/* ---- App body / Sidebar ---- */
.app-body{ display:flex; flex:1; min-height:0; }

.sidebar-toggle{
  background:none;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: 8px;
  width: 36px;
  height: 36px;
  cursor:pointer;
  font-size:1rem;
}

.sidebar{
  width: 260px;
  flex-shrink: 0;
  border-right: 1px solid var(--color-border);
  padding: 16px;
  display:flex;
  flex-direction:column;
  gap: 12px;
  transition: margin-left 0.2s, opacity 0.2s;
  min-height: 0;
}
.sidebar.collapsed{
  margin-left: -276px;
  opacity: 0;
  pointer-events: none;
}

.new-chat-btn{
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 10px 14px;
  border-radius: 10px;
  cursor:pointer;
  text-align:left;
  font-family: var(--font-main);
  flex-shrink:0;
}
.new-chat-btn:hover{ border-color: var(--color-gold); }

.sidebar-list{ display:flex; flex-direction:column; gap:4px; overflow-y:auto; flex:1; min-height:0; }
.sidebar-empty{ color: var(--color-text-muted); font-size:0.85rem; }

.convo-item{
  padding: 8px 10px;
  border-radius: 8px;
  cursor:pointer;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--color-text);
}
.convo-item:hover{ background: rgba(212,175,55,0.12); }
.convo-item.active{ background: rgba(212,175,55,0.22); color: var(--color-navy-2); }

.sidebar-section-label{
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin: 10px 0 2px 10px;
}

.convo-item-row{
  position: relative;
  display:flex;
  align-items:center;
  border-radius: 8px;
}
.convo-item-row .convo-item{ flex:1; border-radius: 8px; }
.convo-item-row:hover{ background: rgba(212,175,55,0.12); }
.convo-item-row:hover .convo-item{ background: transparent; }

.convo-menu-btn{
  background:none;
  border:none;
  color: var(--color-text-muted);
  cursor:pointer;
  padding: 4px 8px;
  font-size: 1rem;
  opacity:0;
  transition: opacity 0.15s;
}
.convo-item-row:hover .convo-menu-btn{ opacity:1; }
.convo-menu-btn:hover{ color: var(--color-navy-2); }

.convo-menu{
  display:none;
  position:absolute;
  right:6px;
  top: calc(100% + 4px);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 6px;
  min-width: 170px;
  z-index: 30;
}
.convo-menu.open{ display:block; }
.convo-menu a{ display:block; padding: 6px 8px; font-size:0.85rem; color: var(--color-text); border-radius:6px; }
.convo-menu a:hover{ background: rgba(212,175,55,0.15); text-decoration:none; }
.convo-menu-danger{ color:#ff8a8a !important; }

/* ---- Bloque de cuenta al pie del sidebar ---- */
.sidebar-footer{
  margin-top: auto;
  position: relative;
  border-top: 1px solid var(--color-border);
  padding-top: 10px;
}

.sidebar-acctbtn{
  width:100%;
  display:flex;
  align-items:center;
  gap:10px;
  justify-content:flex-start;
  border-radius: 10px;
  padding: 8px 10px;
}

.acct-avatar{
  width:26px;
  height:26px;
  border-radius:50%;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold));
  color:var(--color-navy);
  font-weight:bold;
  font-size:0.8rem;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}

.acctdd{
  display:none;
  position:absolute;
  left:0;
  right:0;
  bottom: calc(100% + 8px);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px;
  z-index: 20;
}
.acctdd.open{ display:block; }
.acctdd a{ display:block; padding: 6px 4px; font-size:0.9rem; color: var(--color-text); }
.acctdd a:hover{ color: var(--color-navy-2); text-decoration:none; }
.acctdd-sep{ border:none; border-top:1px solid var(--color-border); margin:6px 0; }

.social-row{
  display:flex;
  justify-content:center;
  gap: 10px;
  margin-top: 8px;
}
.social-icon{
  display:flex;
  align-items:center;
  justify-content:center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--color-gold);
  color: var(--color-navy-2);
  background: transparent;
  transition: background 0.15s, color 0.15s;
}
.social-icon:hover{
  background: rgba(212,175,55,0.15);
  text-decoration:none;
}

/* ============================================================
   Responsivo (tablet y mobile)
   ============================================================ */
@media (max-width: 900px){
  .sidebar{
    position: fixed;
    top: 64px;
    left: 0;
    bottom: 0;
    width: 260px;
    z-index: 50;
    background: var(--color-bg-alt);
    box-shadow: 4px 0 24px rgba(31,53,94,0.12);
  }
  .sidebar.collapsed{ margin-left:-276px; }

  .sidebar-backdrop{
    display:none;
    position:fixed;
    top:64px; left:0; right:0; bottom:0;
    background: rgba(0,0,0,0.45);
    z-index:45;
  }
  .sidebar-backdrop.show{ display:block; }

  .sidebar-close-btn{ display:flex; }
}

.sidebar-top-row{ display:flex; align-items:center; gap:8px; }
.sidebar-top-row .new-chat-btn{ flex:1; }
.sidebar-close-btn{
  display:none;
  align-items:center;
  justify-content:center;
  background:none;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  width: 38px;
  height: 38px;
  border-radius: 10px;
  cursor:pointer;
  flex-shrink:0;
}

@media (max-width: 640px){
  header{ padding: 0 16px; }
  .logo{ font-size: 1.15rem; }

  .chat-shell{ padding: 14px; gap: 12px; }
  .chat-window{ padding: 14px; }
  .msg{ max-width: 90%; }

  .chat-input-row{ gap: 8px; }
  .chat-input-row button{ padding: 0 16px; }

  .modal-box, .modal-box-wide{
    width: 90vw;
    max-width: 360px;
    padding: 20px;
  }

  .admin-wrap{ padding: 14px; gap: 16px; }
  .admin-cards{ grid-template-columns: repeat(2, 1fr); }
  .admin-card-value{ font-size: 1.5rem; }
  .admin-table{ display:block; overflow-x:auto; white-space:nowrap; }
}

/* ---- Header ---- */
header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 0 32px;
  height: 64px;
  flex-shrink:0;
  border-bottom: 1px solid var(--color-border);
}

.logo{
  display: flex;
  align-items: center;
}
.logo-mark{
  width: 30px;
  height: auto;
  margin-right: 10px;
  display: block;
}
.logo-word{
  height: 20px;
  width: auto;
  display: block;
}
.logo-word-wrap{
  position: relative;
  display: inline-block;
  line-height: 0;
}
.logo-dot{
  position: absolute;
  left: 26%;
  top: 55%;
  transform: translate(-50%, -50%);
  width: 0.16em;
  height: 0.16em;
  font-size: 20px; /* referência ao tamanho da wordmark, pra escalar junto */
  border-radius: 50%;
  background: var(--color-gold);
}

.acctbtn{
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 8px 16px;
  border-radius: 999px;
  cursor:pointer;
}

/* ---- Footer ---- */
/* ---- Inner pages (legal) ---- */
.innerpage{ display:none; padding: 32px; max-width: 760px; margin: 0 auto; }
.innerpage.active{ display:block; }
.back-btn{
  background:none;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  margin-bottom: 16px;
}

/* ---- Chat shell ---- */
#home-view{ flex:1; overflow-y:auto; min-height:0; }
.chat-shell{
  max-width: 760px;
  margin: 0 auto;
  padding: 24px;
  display:flex;
  flex-direction:column;
  gap: 16px;
  height: 100%;
}
.msg-remaining{
  text-align:center;
  font-size:0.85rem;
  color: var(--color-text-muted);
}
.chat-window{
  flex: 1;
  min-height: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  display:flex;
  flex-direction:column;
  gap: 20px;
  overflow-y:auto;
  background: var(--color-bg-alt);
}
.msg{
  max-width: 78%;
  padding: 16px 20px;
  border-radius: var(--radius);
  line-height: 1.6;
  box-shadow: 0 2px 10px rgba(31,53,94,0.05);
}
.msg-sender{
  font-size: 0.7rem;
  font-weight:600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.55;
  margin-bottom: 6px;
}
.msg.user .msg-sender{ text-align:right; }
.msg-body{ white-space: pre-wrap; }

.msg.user{
  align-self:flex-end;
  background: #EAF0F6;
  color: var(--color-navy);
}
.msg.user .msg-sender{ color: var(--color-navy-2); }
.msg.albita{
  align-self:flex-start;
  background: var(--color-bg);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.msg.typing{ font-style:italic; color: var(--color-text-muted); box-shadow:none; }

.cita-card{
  margin: 12px 0;
  padding: 16px 20px;
  border-left: 3px solid var(--color-gold);
  background: rgba(212,175,55,0.06);
  border-radius: 0 10px 10px 0;
}
.cita-texto{
  margin: 0 0 8px 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--color-navy);
}
.cita-autor{
  font-size: 0.78rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.chat-input-row{ display:flex; gap: 10px; }
.chat-input-row input{
  flex:1;
  padding: 14px 20px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text);
}
.chat-input-row input::placeholder{ color: var(--color-text-muted); }
.chat-input-row button{
  background: var(--color-gold);
  border:none;
  color: var(--color-navy);
  font-weight:600;
  width: 46px;
  height: 46px;
  padding: 0;
  border-radius: 50%;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  transition: background 0.15s;
}
.chat-input-row button:hover{ background: var(--color-gold-light); }

.feedback-row{ display:flex; gap:8px; margin-top:4px; }
.feedback-row button{
  background:none;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  border-radius: 999px;
  padding: 2px 10px;
  cursor:pointer;
  font-size:0.8rem;
}

/* ---- Modal login/registro ---- */
.modal-overlay{
  display:none;
  position:fixed;
  inset:0;
  background: rgba(0,0,0,0.55);
  align-items:center;
  justify-content:center;
  z-index: 100;
}
.modal-overlay.open{ display:flex; }
.modal-box{
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  width: 320px;
  display:flex;
  flex-direction:column;
  gap: 10px;
}
.modal-box h2{ margin:0 0 4px 0; color: var(--color-navy-2); font-family: var(--font-display); font-weight:600; font-size:1.4rem; }
.modal-box input{
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
}
.pw-field{ position:relative; display:flex; }
.pw-field input{ flex:1; padding-right: 40px; }
.pw-toggle{
  position:absolute;
  right:6px;
  top:50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:0;
  cursor:pointer;
  font-size: 0.85rem;
  opacity:0.75;
}
.pw-toggle:hover{ background: rgba(212,175,55,0.15); opacity:1; }
.pw-toggle .eye-icon{ display:block; }
.modal-box button{
  padding: 10px 14px;
  border-radius: 999px;
  border: none;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold));
  color: var(--color-navy);
  font-weight:bold;
  cursor:pointer;
}
.modal-box button.pw-toggle{
  padding: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--color-text);
  font-weight: normal;
}
.modal-box button.pw-toggle:hover{
  background: rgba(212,175,55,0.15);
}
.modal-box .secondary-btn{
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

.google-btn{
  background: #ffffff;
  border: 1px solid #dadce0;
  color: #3c4043;
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 8px;
  cursor:pointer;
  font-weight:500;
}
.google-btn:hover{ background: #f8f8f8; box-shadow: 0 1px 3px rgba(0,0,0,0.2); }
.modal-box .link-small{ font-size:0.8rem; text-align:center; }
.modal-box .switch-line{ font-size:0.85rem; text-align:center; color: var(--color-text-muted); margin:4px 0 0 0; }
.form-err{ color:#ff8a8a; font-size:0.85rem; display:none; }

.terms-check{
  display:flex;
  align-items:flex-start;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  cursor:pointer;
}
.terms-check input[type="checkbox"]{
  margin-top: 2px;
  flex-shrink:0;
  accent-color: var(--color-gold);
}
.terms-check a{ color: var(--color-navy-2); }

.demo-banner{
  background: rgba(212,175,55,0.10);
  border: 1px solid rgba(212,175,55,0.35);
  color: #8a6d1a;
  font-size: 0.8rem;
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 8px;
  line-height: 1.4;
}

/* ---- Panel de Uso ---- */
.uso-block{
  display:flex;
  flex-direction:column;
  gap:10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--color-border);
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 10px;
}
.uso-row{ display:flex; justify-content:space-between; align-items:center; font-size:0.92rem; }
.uso-row span:first-child{ color: var(--color-text-muted); font-size:0.8rem; text-transform:uppercase; letter-spacing:0.04em; }
.uso-row span:last-child{ font-weight:600; color: var(--color-navy-2); }
.uso-bar-track{
  width:100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(212,175,55,0.1);
  overflow:hidden;
  position:relative;
}
.uso-bar-fill{
  height:100%;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold), var(--color-gold-light));
  background-size: 200% 100%;
  border-radius: 999px;
  width:0%;
  transition: width 0.5s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 0 10px rgba(240,200,120,0.5);
  animation: uso-shimmer 3s linear infinite;
}
@keyframes uso-shimmer{
  0%{ background-position: 0% 0; }
  100%{ background-position: -200% 0; }
}
.uso-sub{ font-size:0.8rem; color: var(--color-text-muted); margin:0; line-height:1.4; }

/* ---- Configurações ---- */
.modal-box-wide{ width: 420px; max-height: 80vh; overflow-y:auto; }
.config-section{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}
.config-section:last-of-type{ border-bottom:none; }
.config-section h4{ margin:0; color: var(--color-navy-2); font-size:0.75rem; font-family: var(--font-main); font-weight:600; letter-spacing: 0.08em; text-transform: uppercase; }

.danger-btn{
  background: transparent;
  border: 1px solid #a84545;
  color: #ff8a8a;
  padding: 10px 14px;
  border-radius: 999px;
  cursor:pointer;
  font-family: var(--font-main);
}
.danger-btn:hover{ background: rgba(168,69,69,0.15); }

/* ---- Toast ---- */
.toast{
  position:fixed;
  bottom:28px;
  left:50%;
  transform: translateX(-50%) translateY(16px) scale(0.96);
  display:flex;
  align-items:center;
  gap:10px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  color: var(--color-navy);
  font-weight: 500;
  font-size: 0.92rem;
  padding: 13px 22px;
  border-radius: 999px;
  box-shadow: 0 8px 28px rgba(0,0,0,0.35), 0 0 0 1px rgba(255,255,255,0.03) inset;
  opacity:0;
  transition: opacity 0.3s cubic-bezier(.4,0,.2,1), transform 0.3s cubic-bezier(.4,0,.2,1);
  pointer-events:none;
  z-index: 200;
}
.toast::before{
  content:'';
  width:7px;
  height:7px;
  border-radius:50%;
  background: linear-gradient(135deg, var(--color-gold), var(--color-gold-light));
  flex-shrink:0;
  box-shadow: 0 0 8px rgba(240,200,120,0.6);
}
.toast.show{ opacity:1; transform: translateX(-50%) translateY(0) scale(1); }