/* Estilos Globais */
*{ margin: 0; 
padding: 0; 
box-sizing: border-box; 
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; 
}

body {
background-color: #f4f4f4;
display: flex;
flex-direction: column;
align-items: center;
min-height: 100vh;
overflow-x: hidden;
}

/* Topo Verde com Curva (Bolhas) */
.header-bg {
background-color: #00a859;
width: 100%;
height: 350px;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
color: white;
position: relative;
border-bottom-left-radius: 50% 20%;
border-bottom-right-radius: 50% 20%;
margin-bottom: -100px; /* Eleva o card para cima do verde */
text-align: center;
padding: 20px;
}

.header-bg p { font-size: 1rem; text-transform: uppercase; letter-spacing: 1px; opacity: 0.9; }
.header-bg h1 { font-size: 3.5rem; font-weight: bold; margin: 10px 0; }

/* Card de Login */
.login-card {
background: white;
width: 90%;
max-width: 450px;
padding: 40px;
border-radius: 30px;
box-shadow: 0 10px 30px rgba(0,0,0,0.15);
text-align: center;
z-index: 10;
}

.login-card h2 { color: #333; font-size: 1.8rem; margin-bottom: 5px; }
.login-card span { color: #777; display: block; margin-bottom: 30px; font-size: 0.95rem; }

/* Formulário e Inputs */
.form-group { margin-bottom: 15px; }

input {
width: 100%;
padding: 15px 25px;
border: 1px solid #ddd;
border-radius: 50px; /* Estilo pílula */
font-size: 1rem;
outline: none;
transition: 0.3s;
}

input:focus { border-color: #00a859; box-shadow: 0 0 5px rgba(0, 168, 89, 0.2); }

/* Botão de Entrar */
.btn-submit {
width: 100%;
padding: 15px;
background-color: white;
border: 2px solid #00a859;
color: #00a859;
border-radius: 50px;
font-size: 1.1rem;
font-weight: bold;
cursor: pointer;
transition: 0.3s;
margin-top: 10px;
}

.btn-submit:hover { background-color: #00a859; color: white; }

/* Link para Cadastro */
.signup-link {
margin-top: 25px;
font-size: 0.9rem;
color: #666;
}

.signup-link a {
color: #00a859;
text-decoration: none;
font-weight: bold;
}

.signup-link a:hover { text-decoration: underline; }

.footer-info {
margin-top: auto;
margin-bottom: 30px;
border: 2px solid #00a859;
padding: 12px 25px;
border-radius: 50px;
font-size: 0.85rem;
color: #444;
max-width: 85%;
text-align: center;
}

.error-msg { 
background-color: #ffebee;
color: #c62828;
padding: 10px;
border-radius: 10px;
margin-bottom: 20px;
font-size: 0.9rem;
}