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

/* Fundo com gradiente suave */
body {
    height: 100vh;
    background: linear-gradient(135deg, #4f46e5, #3b82f6);
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Container principal */
.container {
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    width: 360px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* Título */
.container h1 {
    font-size: 28px;
    margin-bottom: 10px;
    color: #1f2937;
}

/* Subtítulo */
.container p {
    font-size: 14px;
    color: #6b7280;
    margin-bottom: 30px;
}

/* Botões base */
.btn {
    display: block;
    text-decoration: none;
    padding: 14px;
    margin-bottom: 15px;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
}

/* Azul */
.btn-blue {
    background: #2563eb;
    color: white;
}

.btn-blue:hover {
    background: #1d4ed8;
    transform: scale(1.03);
}

/* Verde */
.btn-green {
    background: #16a34a;
    color: white;
}

.btn-green:hover {
    background: #15803d;
    transform: scale(1.03);
}

/* Vermelho */
.btn-red {
    background: #dc2626;
    color: white;
}

.btn-red:hover {
    background: #b91c1c;
    transform: scale(1.03);
}

/* Botão menor */
.btn-small {
    padding: 10px;
    font-size: 14px;
    opacity: 0.9;
}

/* Efeito ao clicar */
.btn:active {
    transform: scale(0.98);
}