:root {
    --bg: #f6f7fb;
    --surface: #ffffff;
    --border: #e6e8f0;
    --text: #1a1d29;
    --muted: #6b7280;
    --primary: #4f46e5;
    --primary-2: #7c3aed;
    --primary-soft: #eef2ff;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius: 14px;
    --shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 8px 24px rgba(16, 24, 40, .06);
    --shadow-lg: 0 12px 40px rgba(79, 70, 229, .14);
    --logo-height: 40px;   /* altura do logo no cabeçalho */
    --auth-logo-height: 56px; /* altura do logo na tela de login */
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Segoe UI', system-ui, -apple-system, Helvetica, Arial, sans-serif;
    background: var(--bg); color: var(--text); line-height: 1.55;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
.container { max-width: 1160px; margin: 0 auto; padding: 24px 20px; }

/* Barra superior */
.topbar { background: rgba(255,255,255,.85); backdrop-filter: blur(10px);
          border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 20px; }

/* Logo no cabeçalho */
.brand { display: flex; align-items: center; }
.brand-logo { height: var(--logo-height); width: auto; display: block; max-width: 220px; object-fit: contain; }

.nav { display: flex; gap: 6px; align-items: center; }
.nav a { color: var(--muted); padding: 8px 12px; border-radius: 9px; font-weight: 500; font-size: 14px; transition: .15s; }
.nav a:hover { color: var(--primary); background: var(--primary-soft); }
.nav a.nav-cta { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: #fff; }
.nav a.nav-cta:hover { color: #fff; opacity: .92; }
.nav-user { display: flex; align-items: center; gap: 10px; }
.avatar { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center;
          color: #fff; font-weight: 700; background: linear-gradient(135deg, var(--primary), var(--primary-2)); }
.nav-user-info { line-height: 1.15; }
.nav-user-info strong { font-size: 13px; display: block; }
.nav-user-info small { color: var(--muted); font-size: 11px; text-transform: capitalize; }

/* Botões */
.btn { display: inline-flex; align-items: center; gap: 6px; background: linear-gradient(135deg, var(--primary), var(--primary-2));
       color: #fff; padding: 9px 16px; border-radius: 10px; border: none; cursor: pointer;
       font-size: 14px; font-weight: 600; transition: .15s; }
.btn:hover { box-shadow: var(--shadow-lg); transform: translateY(-1px); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--primary); border-color: var(--primary); box-shadow: none; transform: none; }
.btn-danger { background: var(--danger); }
.btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-outline:hover { background: var(--primary-soft); box-shadow: none; }

/* Alertas */
.alert { padding: 13px 16px; border-radius: 12px; margin-bottom: 18px; font-size: 14px; }
.alert-sucesso { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-erro { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

/* Títulos */
h2 { margin: 8px 0 18px; font-size: 22px; }
h3 { margin: 22px 0 12px; font-size: 17px; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.page-head h2 { margin: 0; }

/* Cards do painel */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
        padding: 22px; box-shadow: var(--shadow); }
.card .card-label { color: var(--muted); font-size: 13px; }
.card .card-value { font-size: 32px; font-weight: 800; margin-top: 4px;
                    background: linear-gradient(135deg, var(--primary), var(--primary-2));
                    -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Tabelas */
.tabela { width: 100%; border-collapse: collapse; background: var(--surface);
          border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.tabela th, .tabela td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
.tabela th { background: #fafbfe; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.tabela tr:last-child td { border-bottom: none; }
.tabela tbody tr:hover { background: #fafbff; }

/* Badges */
.badge { display: inline-block; padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-aberto { background: #dbeafe; color: #1e40af; }
.badge-em_andamento { background: #fef3c7; color: #92400e; }
.badge-aguardando_cliente { background: #ede9fe; color: #5b21b6; }
.badge-resolvido { background: #d1fae5; color: #065f46; }
.badge-fechado { background: #e5e7eb; color: #374151; }
.badge-prio-baixa { background: #f3f4f6; color: #4b5563; }
.badge-prio-media { background: #fef3c7; color: #92400e; }
.badge-prio-alta { background: #ffedd5; color: #c2410c; }
.badge-prio-urgente { background: #fee2e2; color: #b91c1c; }

/* Formulários */
.formulario { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
              padding: 24px; box-shadow: var(--shadow); max-width: 640px; }
.formulario label { display: block; margin-bottom: 16px; font-weight: 600; font-size: 14px; }
.formulario input, .formulario select, .formulario textarea {
    width: 100%; padding: 10px 12px; margin-top: 6px; border: 1px solid var(--border);
    border-radius: 10px; font-family: inherit; font-size: 14px; background: #fbfcfe; transition: .15s; }
.formulario input:focus, .formulario select:focus, .formulario textarea:focus {
    outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); background: #fff; }
.formulario button { margin-top: 6px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-hint { font-size: 12px; color: var(--muted); font-weight: 400; margin-top: 4px; }

/* Detalhes do chamado */
.detalhes { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
            padding: 22px; box-shadow: var(--shadow); margin-bottom: 20px; }
.detalhes-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 16px; }
.detalhes-grid .campo label { display: block; font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.detalhes-grid .campo strong { font-size: 14px; }
.descricao { padding-top: 14px; border-top: 1px solid var(--border); }
.descricao strong { display: block; margin-bottom: 6px; }

/* Histórico */
.historico { display: flex; flex-direction: column; gap: 12px; margin-bottom: 20px; }
.msg { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
       padding: 14px 16px; box-shadow: var(--shadow); }
.msg .msg-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.msg .msg-head strong { font-size: 14px; }
.msg .msg-head .data { color: var(--muted); font-size: 12px; }
.msg p { font-size: 14px; }
.msg.minha { border-left: 4px solid var(--primary); background: #fafbff; }

/* Anexos */
.anexos { display: flex; flex-direction: column; gap: 8px; margin: 12px 0; }
.anexo { display: flex; align-items: center; gap: 10px; background: var(--surface);
         border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; }
.anexo .anexo-icone { font-size: 20px; }
.anexo .anexo-info { flex: 1; }
.anexo .anexo-info strong { font-size: 13px; display: block; word-break: break-all; }
.anexo .anexo-info small { color: var(--muted); font-size: 12px; }
.anexo-img { max-width: 220px; border-radius: 10px; border: 1px solid var(--border); }

/* Filtro */
.filtro { display: flex; gap: 10px; margin-bottom: 18px; flex-wrap: wrap; align-items: center; }
.filtro select, .filtro input { padding: 9px 12px; border: 1px solid var(--border); border-radius: 10px; background: #fff; font-size: 14px; }

.vazio { color: var(--muted); padding: 40px; text-align: center; background: var(--surface);
         border: 1px dashed var(--border); border-radius: var(--radius); }

/* Telas de auth (login/cadastro) */
.auth-body { display: flex; justify-content: center; align-items: center; min-height: 100vh;
             background: linear-gradient(135deg, #eef2ff 0%, #f5f3ff 50%, #fdf2f8 100%); }
.auth-box { background: var(--surface); padding: 34px; border-radius: 18px; width: 100%; max-width: 400px;
            box-shadow: var(--shadow-lg); border: 1px solid var(--border); }
.auth-logo { display: block; height: var(--auth-logo-height); width: auto; max-width: 100%;
             object-fit: contain; margin: 0 auto 18px; }
.auth-box h1 { text-align: center; margin-bottom: 22px; font-size: 20px; }
.auth-box label { display: block; margin-bottom: 14px; font-weight: 600; font-size: 14px; }
.auth-box input { width: 100%; padding: 10px 12px; margin-top: 6px; border: 1px solid var(--border);
                  border-radius: 10px; font-size: 14px; background: #fbfcfe; }
.auth-box input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.auth-box button { width: 100%; padding: 11px; margin-top: 10px; border: none; border-radius: 10px; cursor: pointer;
                   font-size: 15px; font-weight: 600; color: #fff;
                   background: linear-gradient(135deg, var(--primary), var(--primary-2)); }
.auth-link { text-align: center; margin-top: 16px; font-size: 14px; }

@media (max-width: 720px) {
    .topbar-inner { flex-wrap: wrap; }
    .nav { order: 3; width: 100%; justify-content: flex-start; overflow-x: auto; }
    .form-row { grid-template-columns: 1fr; }
    .brand-logo { height: 32px; }
    .auth-logo { height: 48px; }
}